Last modified by Eric Nantel on 2025/06/06 07:47

From version < 157.1 >
edited by RB1
on 2020/01/21 14:45
To version < 80.1 >
edited by RB1
on 2019/01/23 10:28
< >
Change comment: There is no comment for this version

Summary

Details

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1 -lynxmotion-smart-servo.WebHome
1 +Lynxmotion Smart Servo (LSS).WebHome
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1 1  (% class="wikigeneratedid" id="HTableofContents" %)
2 -**Page Contents**
2 +**Table of Contents**
3 3  
4 4  {{toc depth="3"/}}
5 5  
6 -= Serial Protocol =
6 += Protocol Concepts =
7 7  
8 -The custom Lynxmotion Smart Servo (LSS) serial protocol was created in order to be as simple and straightforward as possible from a user perspective ("human readable format"), while at the same time compact and robust yet highly versatile. The protocol was based on Lynxmotion's SSC-32 RC servo controller and almost everything one might expect to be able to configure for a smart servo motor is available.
8 +The Lynxmotion Smart Servo (LSS) protocol was created in order to be as simple and straightforward as possible from a user perspective, while at the same time trying to stay compact and robust yet highly versatile. Almost everything one might expect to be able to configure for a smart servo motor is available.
9 9  
10 -In order to have servos react differently when commands are sent to all servos in a serial bus, the first step a user should take is to assign a different ID number to each servo (explained below). Once this has been done, only the servo(s) which have been assigned to the ID sent as part of the command will follow that command. There is currently no CRC / checksum implemented as part of the protocol.
11 -
12 12  == Session ==
13 13  
14 14  A "session" is defined as the time between when the servo is powered ON to when it is powered OFF or reset.
15 15  
16 -Note #1: For a given session, the action related to a specific commands overrides the stored value in EEPROM.
17 -Note #2: During the power-on / reset process the LSS cannot accept commands for a small amount of time (1.25 s).
18 -You can ensure the LSS is ready by using a query command to check for response (ex: #[id]Q\r or #[id]QID\r). If the LSS is ready for commands (initialized) it will respond to the query. A timeout between 50-100 ms is recommended.
19 -
20 20  == Action Commands ==
21 21  
22 -Action commands tell the servo, within that session, to do something (i.e. "take an action"). The types of action commands which can be sent are described below, and they cannot be combined with other commands such as queries or configurations. Only one action command can be sent at a time. Action commands are session-specific, therefore once a servo is power cycled, it will not have any "memory" of previous actions or virtual positions (described below on this page). Action commands are sent serially to the servo's Rx pin and must be sent in the following format:
16 +Action commands are sent serially to the servo's Rx pin and must be set in the following format:
23 23  
24 24  1. Start with a number sign # (U+0023)
25 25  1. Servo ID number as an integer
... ... @@ -30,11 +30,15 @@
30 30  (((
31 31  Ex: #5PD1443<cr>
32 32  
33 -This sends a serial command to all servo's Rx pins which are connected to the bus and only servo(s) with ID #5 will move to a position in tenths of degrees ("PD") of 144.3 degrees. Any servo on the bus which does not have ID 5 will take no action when receiving this command.
27 +Move servo with ID #5 to a position of 144.3 degrees.
34 34  
29 +Action commands cannot be combined with query commands, and only one action command can be sent at a time.
30 +
31 +Action commands are session-specific, therefore once a servo is power cycled, it will not have any "memory" of previous actions or virtual positions (as described at the bottom of this page).
32 +
35 35  == Action Modifiers ==
36 36  
37 -Only two commands can be used as action modifiers: Timed Move (T) and Speed (S) described below. Action modifiers can only be used with certain action commands. The format to include a modifier is:
35 +Two commands can be used as action modifiers only: Timed Move and Speed. The format is:
38 38  
39 39  1. Start with a number sign # (U+0023)
40 40  1. Servo ID number as an integer
... ... @@ -46,12 +46,32 @@
46 46  
47 47  Ex: #5P1456T1263<cr>
48 48  
49 -This results in the servo with ID #5 rotating from the current angular position to a pulse position ("P") of 1456 in a time ("T") of 1263 milliseconds.
47 +Results in the servo rotating from the current angular position to a pulse position of 1456 in 1263 milliseconds.
48 +
49 +Action modifiers can only be used with certain commands.
50 50  )))
51 51  
52 +== Configuration Commands ==
53 +
54 +Configuration commands affect the servo's current session* but unlike action commands, configuration commands are written to EEPROM and are retained even if the servo loses power (therefore NOT session specific). Not all action commands have a corresponding configuration and vice versa. Certain configurations are retained for when the servo is used in RC model. More information can be found on the [[LSS - RC PWM page>>doc:Lynxmotion Smart Servo (LSS).LSS - RC PWM.WebHome]].
55 +
56 +1. Start with a number sign # (U+0023)
57 +1. Servo ID number as an integer
58 +1. Configuration command (two to three letters, no spaces, capital or lower case)
59 +1. Configuration value in the correct units with no decimal
60 +1. End with a control / carriage return '<cr>'
61 +
62 +Ex: #5CO-50<cr>
63 +
64 +Assigns an absolute origin offset of -5.0 degrees (with respect to factory origin) to servo #5 and changes the offset for that session to -5.0 degrees.
65 +
66 +Configuration commands are not cumulative, in that if two configurations are sent at any time, only the last configuration is used and stored.
67 +
68 +*Important Note: the one exception is the baud rate - the servo's current session retains the given baud rate. The new baud rate will only be in place when the servo is power cycled.
69 +
52 52  == Query Commands ==
53 53  
54 -Query commands request information from the servo. They are received via the Rx pin of the servo, and the servo's reply is sent via the servo's Tx pin. Using separate lines for Tx and Rx is called "full duplex". Query commands are also similar to action and configuration commands and must use the following format:
72 +Query commands are sent serially to the servo's Rx pin and must be set in the following format:
55 55  
56 56  1. Start with a number sign # (U+0023)
57 57  1. Servo ID number as an integer
... ... @@ -63,61 +63,49 @@
63 63  )))
64 64  
65 65  (((
66 -The query will return a serial string (almost instantaneously) via the servo's Tx pin with the following format:
84 +The query will return a value via the Tx pin with the following format:
67 67  
68 -1. Start with an asterisk * (U+002A)
86 +1. Start with an asterisk (U+002A)
69 69  1. Servo ID number as an integer
70 70  1. Query command (one to three letters, no spaces, capital letters)
71 71  1. The reported value in the units described, no decimals.
72 72  1. End with a control / carriage return '<cr>'
73 73  
74 -There is currently no option to control how fast a servo replies after it has received a query command, therefore when sending a query command to the bus, the controller should be prepared to immediately "listen" for and parse the reply. Sending multiple queries on a bus in fast succession may result in replies overlapping and giving incorrect or corrupt data. As such, the controller should receive a reply before sending a new command. A reply to the query sent above might be:
75 -
76 76  (((
77 77  Ex: *5QD1443<cr>
78 78  )))
79 79  
80 -This indicates that servo #5 is currently at 144.3 degrees (1443 tenths of degrees).
96 +Indicates that servo #5 is currently at 144.3 degrees.
81 81  
82 -== Configuration Commands ==
83 -
84 -Configuration commands and corresponding values affect a servo's defaults which are written to and read from the servo's EEPROM. These configurations are retained in memory after the servo is reset or power is cut / lost. Some configuration commands affect the session, while others do not. In the Command table below, the column "Session" denotes if the configuration command affects the session.. Not all action commands have a corresponding configuration command and vice versa. More information about which configuration commands are retained when in RC mode can be found on the [[LSS - RC PWM page>>doc:lynxmotion-smart-servo.lss-radio-control-pwm.WebHome]]. Configuration commands are not cumulative, in that if two configurations are sent, one after the next, only the last configuration is used and stored. The format to send a configuration command is identical to that of an action command:
85 -
86 -1. Start with a number sign # (U+0023)
87 -1. Servo ID number as an integer
88 -1. Configuration command (two to three letters, no spaces, capital or lower case)
89 -1. Configuration value in the correct units with no decimal
90 -1. End with a control / carriage return '<cr>'
91 -
92 -Ex: #5CO-50<cr>
93 -
94 -This configures an absolute origin offset ("CO") with respect to factory origin to servo with ID #5 and changes the offset for that session to -5.0 degrees (50 tenths of degrees). Once the servo is powered off and then powered on, zeroing the servo will cause it to move to -5.0 degrees with respect to the factory origin and report its position as 0 degrees. Configuration commands can be undone / reset either by sending the servo's default value for that configuration, or by doing a factory reset (clears all configurations) described below.
95 -
96 96  **Session vs Configuration Query**
97 97  
98 -By default, the query command returns the sessions' value. Should no action commands have been sent to change the session value, it will return the value saved in EEPROM which will either be the servo's default, or modified with a configuration command. In order to query the value stored in EEPROM (configuration), add a '1' to the query command:
100 +By default, the query command returns the sessions' value; should no action commands have been sent to change, it will return the value saved in EEPROM from the last configuration command.
99 99  
100 -Ex: #5CSR20<cr> immediately sets the maximum speed for servo #5 to 20rpm (explained below) and changes the value in memory.
102 +In order to query the value in EEPROM, add a '1' to the query command.
101 101  
102 -After RESET, a command of #5SR4<cr> sets the session's speed to 4rpm, but does not change the configuration value in memory. Therefore:
104 +Ex: #5CSR20<cr> sets the maximum speed for servo #5 to 20rpm upon RESET (explained below).
103 103  
104 -#5QSR<cr> would return *5QSR4<cr> which represents the value for that session, whereas
106 +After RESET: #5SR4<cr> sets the session's speed to 4rpm.
105 105  
108 +#5QSR<cr> would return *5QSR4<cr> which represents the value for that session.
109 +
106 106  #5QSR1<cr> would return *5QSR20<cr> which represents the value in EEPROM
107 107  
108 108  == Virtual Angular Position ==
109 109  
110 -The ability to store a "virtual angular position" is a feature which allows for rotation beyond 360 degrees, permitting multiple rotations of the output horn, moving the center position and more. In virtual position mode, the "absolute position" would be the angle of the output shaft with respect to a 360.0 degree circle, and can be obtained by taking the modulus (with respect to 360 degrees) of the value. For example if the virtual position is reported as 15335 (or 1533.5 degrees), taking the modulus would give 93.5 degrees (3600 * 4 + 935 = 15335) as the absolute position (assuming no origin offset).
114 +{In progress}
111 111  
116 +A "virtual position" is one which allows for multiple rotations of the output horn, moving the center position and more. The "absolute position" would be the angle of the output shaft with respect to 360.0 degrees.
117 +
112 112  [[image:LSS-servo-positions.jpg]]
113 113  
114 -In this example, the gyre direction (explained below, a.k.a. "rotation direction") is positive (clockwise), and origin offset has not been modified. Each square represents 30 degrees. The following command is sent:
120 +Example: Gyre direction / rotation is positive (clockwise), and origin offset has not been modified. Each square represents 30 degrees.
115 115  
116 -#1D-300<cr> This causes the servo to move to -30.0 degrees (green arrow)
122 +#1D-300<cr> The servo is sent a command to move to -30.0 degrees (green arrow)
117 117  
118 118  #1D2100<cr> This second position command is sent to the servo, which moves it to 210.0 degrees (orange arrow)
119 119  
120 -#1D-4200<cr> This next command rotates the servo counterclockwise to a position of -420 degrees (red arrow), which means one full rotation of 360 degrees plus 60.0 degrees (420.0 - 360.0), with a virtual position of -420.0 degrees.
126 +#1D-4200<cr> This next command rotates the servo counterclockwise to a position of -420 degrees (red arrow), which means one full rotation of 360 degrees stopping at an absolute position of 60.0 degrees (420.0-360.0), with a virtual position of -420.0 degrees.
121 121  
122 122  Although the final physical position would be the same as if the servo were commanded to move to -60.0 degrees, the servo is in fact at -420.0 degrees.
123 123  
... ... @@ -130,76 +130,55 @@
130 130  
131 131  = Command List =
132 132  
133 -== Regular ==
134 -
135 -|= #|=Description|=Mod|= Action|= Query|= Config|=Session|= RC|= Serial|= Units|=(% style="width: 510px;" %) Notes|=(% style="width: 113px;" %)Default Value
136 -| 1|[[**L**imp>>||anchor="H1.Limp28L29"]]| | L| | | | | ✓|none|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
137 -| 2|[[**H**alt & **H**old>>||anchor="H2.Halt26Hold28H29"]]| | H| | | | | ✓|none|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
138 -| 3|[[**T**imed move>>||anchor="H3.Timedmove28T29modifier"]]|T| | | | | | ✓|milliseconds|(% style="width:510px" %) Modifier only for {P, D, MD}. Time is estimated and can change based on load|(% style="text-align:center; width:113px" %)
139 -| 4|[[**S**peed>>||anchor="H4.Speed28S29modifier"]]|S| |QS| | | | ✓|microseconds per second|(% style="width:510px" %) Modifier only {P}|(% style="text-align:center; width:113px" %)
140 -| 5|[[**M**ove in **D**egrees (relative)>>||anchor="H5.28Relative29MoveinDegrees28MD29"]]| | MD| | | | | ✓|tenths of degrees (ex 325 = 32.5 degrees)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
141 -| 6|[[**O**rigin Offset>>||anchor="H6.OriginOffsetAction28O29"]]| | O| QO|CO|✓| | ✓|tenths of degrees (ex 91 = 9.1 degrees)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)(((
142 -0
139 +|= #|=Description|= Action|= Query|= Config|= RC|= Serial|= Units|= Notes
140 +| 1|[[**L**imp>>||anchor="H1.Limp28L29"]]| L| | | | ✓|none|
141 +| 2|[[**H**alt & Hold>>||anchor="H2.Halt26Hold28H29"]]| H| | | | ✓|none|
142 +| 3|[[**T**imed move>>||anchor="H3.Timedmove28T29"]]| T| | | | ✓|milliseconds| Modifier only (P, D, MD)
143 +| 4|[[**S**peed>>||anchor="H4.Speed28S29"]]| S| | | | ✓|microseconds / second| Modifier only (P)
144 +| 5|[[**M**ove in **D**egrees (relative)>>||anchor="H5.28Relative29MoveinDegrees28MD29"]]| MD| | | | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)|
145 +| 6|[[**O**rigin Offset>>||anchor="H6.OriginOffsetAction28O29"]]| O| QO| CO| | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)|
146 +| 7|[[**A**ngular **R**ange>>||anchor="H7.AngularRange28AR29"]]| AR| QAR| CAR| | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)|
147 +| 8|[[Position in **P**ulse>>||anchor="H8.PositioninPulse28P29"]]| P| QP| | | ✓|microseconds|(((
148 +See details below
143 143  )))
144 -| 7|[[**A**ngular **R**ange>>||anchor="H7.AngularRange28AR29"]]| | AR| QAR| CAR|✓| ✓| ✓|tenths of degrees |(% style="width:510px" %) |(% style="text-align:center; width:113px" %)(((
145 -1800
150 +| 9|[[Position in **D**egrees>>||anchor="H9.PositioninDegrees28D29"]]| D| QD| | | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)|
151 +| 10|[[**W**heel mode in **D**egrees>>||anchor="H10.WheelModeinDegrees28WD29"]]| WD| QWD| | | ✓|tenths of degrees per second (ex 248 = 24.8 degrees per second)|A.K.A. "Speed mode" or "Continuous rotation"
152 +| 11|[[**W**heel mode in **R**PM>>||anchor="H11.WheelModeinRPM28WR29"]]| WR| QWR| | | ✓| rpm|A.K.A. "Speed mode" or "Continuous rotation"
153 +| 12|[[Max **S**peed in **D**egrees>>||anchor="H12.SpeedinDegrees28SD29"]]| SD| QSD| CSD| ✓| ✓|tenths of degrees per second (ex 248 = 24.8 degrees per second)|QSD: Add modifier "2" for instantaneous speed
154 +| 13|[[Max **S**peed in **R**PM>>||anchor="H13.SpeedinRPM28SR29"]]| SR| QSR| CSR| ✓| ✓|rpm|QSR: Add modifier "2" for instantaneous speed
155 +| 14|[[**A**ngular **S**tiffness>>||anchor="H14.AngularStiffness28AS29"]]| AS| QAS| CAS| ✓| ✓|none|-4 to +4, but suggested values are between 0 to +4
156 +| 15|[[**A**ngular **H**olding Stiffness>>||anchor="H15.AngularHoldStiffness28AH29"]]|AH|QAH|CAH| | ✓|none|-10 to +10, with default as 0.
157 +|15b|[[**A**ngular **A**cceleration>>||anchor="H15b:AngularAcceleration28AA29"]]|AA|QAA|CAA| | ✓|degrees per second squared|Increments of 10 degrees per second squared
158 +|15c|[[**A**ngular **D**eceleration>>||anchor="H15c:AngularDeceleration28AD29"]]|AD|QAD|CAD| | ✓|degrees per second squared|Increments of 10 degrees per second squared
159 +|15d|[[**E**nable **M**otion control>>||anchor="H15d:MotionControl28MC29"]]|EM|QEM| | | ✓|none|EM0 to disable motion control, EM1 to enable. Session specific / does not survive power cycles
160 +| 16|[[**LED** Color>>||anchor="H16.RGBLED28LED29"]]| LED| QLED| CLED| ✓| ✓|none (integer from 1 to 8)|0=OFF 1=RED 2=GREEN 3= BLUE 4=YELLOW 5=CYAN 6=MAGENTA, 7=WHITE
161 +| 16b|[[**L**ED Blinking>>||anchor="H16b.LEDBlinking"]]| | | CLB| ✓| |none (integer from 1 to 8)|0=OFF 1=RED 2=GREEN 3= BLUE 4=YELLOW 5=CYAN 6=MAGENTA, 7=WHITE
162 +| 17|[[**ID** #>>||anchor="H17.IdentificationNumber"]]| | QID| CID| | ✓|none (integer from 0 to 250)|Note: ID 254 is a "broadcast" which all servos respond to
163 +| 18|[[**B**aud rate>>||anchor="H18.BaudRate"]]| B| QB| CB| | ✓|none (integer)|
164 +| 19|[[**G**yre direction (**G**)>>||anchor="H19.GyreRotationDirection"]]| G| QG| CG| ✓| ✓|none | Gyre / rotation direction where 1= CW (clockwise) -1 = CCW (counter-clockwise)
165 +| 20|[[**F**irst Position (**P**ulse)>>||anchor="H20.First2InitialPosition28pulse29"]]| | QFP|CFP | ✓| ✓|none |
166 +| 21|[[**F**irst Position (**D**egrees)>>||anchor="H21.First2InitialPosition28Degrees29"]]| | QFD|CFD| ✓| ✓|none |
167 +| 22|[[**T**arget (**D**egree) **P**osition>>||anchor="H22.QueryTargetPositioninDegrees28QDT29"]]| | QDT| | | ✓|tenths of degrees (ex 325 = 32.5 degrees; 91 = 9.1 degrees)|
168 +| 23|[[**M**odel **S**tring>>||anchor="H23.QueryModelString28QMS29"]]| | QMS| | | |none (string)| Recommended to determine the model|
169 +| 23b|[[**M**odel>>||anchor="H23b.QueryModel28QM29"]]| | QM| | | |none (integer)| Returns a raw value representing the three model inputs (36 bit)|
170 +| 24|[[Serial **N**umber>>||anchor="H24.QuerySerialNumber28QN29"]]| | QN| | | |none (integer)|
171 +| 25|[[**F**irmware version>>||anchor="H25.QueryFirmware28QF29"]]| | QF| | | |none (integer)|
172 +| 26|[[**Q**uery (general status)>>||anchor="H26.QueryStatus28Q29"]]| | Q| | | ✓|none (integer from 1 to 8)| See command description for details
173 +| 27|[[**V**oltage>>||anchor="H27.QueryVoltage28QV29"]]| | QV| | | ✓|millivolts (ex 5936 = 5936mV = 5.936V)|
174 +| 28|[[**T**emperature>>||anchor="H28.QueryTemperature28QT29"]]| | QT| | | ✓|tenths of degrees Celsius|Max temp before error: 85°C (servo goes limp)
175 +| 29|[[**C**urrent>>||anchor="H29.QueryCurrent28QC29"]]| | QC| | | ✓|milliamps (ex 200 = 0.2A)|
176 +| 30|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]]| | |CRC| |✓|none|(((
177 +CRC: Add modifier "1" for RC-position mode.
178 +CRC: Add modifier "2" for RC-wheel mode.
179 +Any other value for the modifier results in staying in smart mode.
180 +Puts the servo into RC mode. To revert to smart mode, use the button menu.
146 146  )))
147 -| 8|[[Position in **P**ulse>>||anchor="H8.PositioninPulse28P29"]]| | P| QP| | | | ✓|microseconds|(% style="width:510px" %)(((
148 -Inherited from SSC-32 serial protocol
149 -)))|(% style="text-align:center; width:113px" %)
150 -| 9|[[Position in **D**egrees>>||anchor="H9.PositioninDegrees28D29"]]| | D| QD / QDT| | | | ✓|tenths of degrees |(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
151 -| 10|[[**W**heel mode in **D**egrees>>||anchor="H10.WheelModeinDegrees28WD29"]]| | WD| QWD| | | | ✓|tenths of degrees per second (ex 248 = 24.8 degrees per second)|(% style="width:510px" %)A.K.A. "Speed mode" or "Continuous rotation"|(% style="text-align:center; width:113px" %)
152 -| 11|[[**W**heel mode in **R**PM>>||anchor="H11.WheelModeinRPM28WR29"]]| | WR| QWR| | | | ✓|revolutions per minute (rpm)|(% style="width:510px" %)A.K.A. "Speed mode" or "Continuous rotation"|(% style="text-align:center; width:113px" %)
153 -| 12|[[Max **S**peed in **D**egrees>>||anchor="H12.MaxSpeedinDegrees28SD29"]]| | SD| QSD|CSD|✓| ✓| ✓|degrees per second (°/s)|(% style="width:510px" %)(((
154 -QSD: Add modifier "2" for instantaneous speed.
182 +|31|[[**RESET**>>||anchor="H31.RESET"]]| | | | | ✓|none|Soft reset. See command for details.
183 +|32|[[**DEFAULT**>>||anchor="H32.DEFAULTA026CONFIRM"]]| | | | |✓|none|Revert to firmware default values. See command for details
184 +|33|[[**UPDATE**>>||anchor="H33.UPDATEA026CONFIRM"]]| | | | |✓|none|Update firmware. See command for details.
155 155  
156 -SD overwrites SR / CSD overwrites CSR and vice-versa.
157 -)))|(% style="text-align:center; width:113px" %)Max per servo
158 -| 13|[[Max **S**peed in **R**PM>>||anchor="H13.MaxSpeedinRPM28SR29"]]| | SR| QSR|CSR|✓| ✓| ✓|revolutions per minute (rpm)|(% style="width:510px" %)(((
159 -QSR: Add modifier "2" for instantaneous speed
186 +== Details ==
160 160  
161 -SR overwrites SD / CSR overwrites CSD and vice-versa.
162 -)))|(% style="text-align:center; width:113px" %)Max per servo
163 -| 14|[[**LED** Color>>||anchor="H14.LEDColor28LED29"]]| | LED| QLED| CLED|✓| ✓| ✓|none (integer from 0 to 8)|(% style="width:510px" %)0=Off (black); 1=Red 2=Green; 3=Blue; 4=Yellow; 5=Cyan; 6=Magenta; 7=White;|(% style="text-align:center; width:113px" %)0 (OFF)
164 -| 15|[[**G**yre direction (**G**)>>||anchor="H15.GyreRotationDirection28G29"]]| | G| QG| CG|✓| ✓| ✓|none |(% style="width:510px" %)Gyre / rotation direction: 1= CW (clockwise) -1 = CCW (counter-clockwise)|(% style="text-align:center; width:113px" %)1
165 -| 16|[[**ID** #>>||anchor="H16.IdentificationNumber28ID29"]]| | | QID| CID| | | ✓|none (integer from 0 to 250)|(% style="width:510px" %)Note: ID 254 is a "broadcast" which all servos respond to. |(% style="text-align:center; width:113px" %)0
166 -| 17|[[**B**aud rate>>||anchor="H17.BaudRate"]]| | | QB| CB| | | ✓|none (integer)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)115200
167 -| 18|//{coming soon}//| | | | | | | | |(% style="width:510px" %) |(% style="text-align:center; width:113px" %)(((
168 -
169 -)))
170 -| 19|[[**F**irst Position (**D**eg)>>||anchor="H19.FirstA0Position28Degrees29"]]| | | QFD|CFD|X| ✓| ✓|none |(% style="width:510px" %) |(% style="text-align:center; width:113px" %)No Value
171 -| 20|[[**M**odel **S**tring>>||anchor="H20.QueryModelString28QMS29"]]| | | QMS| | | | |none (string)|(% style="width:510px" %) Returns the type of servo (ex: LSS-ST1, LSS-HS1, LSS-HT1)|(% style="text-align:center; width:113px" %)
172 -| 21|[[Serial **N**umber>>||anchor="H21.QuerySerialNumber28QN29"]]| | | QN| | | | |none (integer)|(% style="width:510px" %) Returns the unique serial number for that servo|(% style="text-align:center; width:113px" %)
173 -| 22|[[**F**irmware version>>||anchor="H22.QueryFirmware28QF29"]]| | | QF| | | | |none (integer)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
174 -| 23|[[**Q**uery (gen. status)>>||anchor="H23.QueryStatus28Q29"]]| | | Q| | | | ✓|none (integer from 1 to 8)|(% style="width:510px" %) See command description for details|(% style="text-align:center; width:113px" %)
175 -| 24|[[**V**oltage>>||anchor="H24.QueryVoltage28QV29"]]| | | QV| | | | ✓|millivolts (ex 5936 = 5936mV = 5.936V)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
176 -| 25|[[**T**emperature>>||anchor="H25.QueryTemperature28QT29"]]| | | QT| | | | ✓|tenths of degrees Celsius|(% style="width:510px" %)Max temp before error: 85°C (servo goes limp)|(% style="text-align:center; width:113px" %)
177 -| 26|[[**C**urrent>>||anchor="H26.QueryCurrent28QC29"]]| | | QC| | | | ✓|milliamps (ex 200 = 0.2A)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %)
178 -| 27|[[**C**hange to** RC**>>||anchor="H27.ConfigureRCMode28CRC29"]]| | | |CRC|✓| | ✓|none|(% style="width:510px" %)(((
179 -Change to RC mode 1 (position) or 2 (wheel).
180 -)))|(% style="text-align:center; width:113px" %)Serial
181 -| 28|[[**RESET**>>||anchor="H28.RESET"]]| | | | | | | ✓|none|(% style="width:510px" %)Soft reset. See command for details.|(% style="text-align:center; width:113px" %)
182 -| 29|[[**DEFAULT**>>||anchor="H29.DEFAULTA026CONFIRM"]]| | | | | | |✓|none|(% style="width:510px" %)Revert to firmware default values. See command for details|(% style="text-align:center; width:113px" %)
183 -| 30|[[**UPDATE**>>||anchor="H30.UPDATEA026CONFIRM"]]| | | | | | |✓|none|(% style="width:510px" %)Update firmware. See command for details.|(% style="text-align:center; width:113px" %)
184 -
185 -== Advanced ==
186 -
187 -|= #|=(% style="width: 182px;" %)Description|=(% style="width: 56px;" %)Mod|=(% style="width: 70px;" %) Action|=(% style="width: 71px;" %) Query|=(% style="width: 77px;" %) Config|=(% style="width: 77px;" %)Session|=(% style="width: 56px;" %) RC|=(% style="width: 151px;" %) Serial|= Units|=(% style="width: 510px;" %) Notes
188 -| A1|(% style="width:182px" %)[[**A**ngular **S**tiffness>>||anchor="HA1.AngularStiffness28AS29"]]|(% style="width:56px" %) |(% style="width:70px" %)AS|(% style="width:71px" %)QAS|(% style="width:77px" %)CAS|(% style="width:77px" %)✓|(% style="width:56px" %) ✓|(% style="width:151px" %) ✓|none (integer -4 to +4)|(% style="width:510px" %)Suggested values are between 0 to +4
189 -| A2|(% style="width:182px" %)[[**A**ngular **H**olding Stiffness>>||anchor="HA2.AngularHoldingStiffness28AH29"]]|(% style="width:56px" %) |(% style="width:70px" %)AH|(% style="width:71px" %)QAH|(% style="width:77px" %)CAH|(% style="width:77px" %)✓|(% style="width:56px" %) |(% style="width:151px" %) ✓|none (integer -10 to +10)|(% style="width:510px" %)Effect is different between serial and RC
190 -| A3|(% style="width:182px" %)[[**A**ngular **A**cceleration>>||anchor="HA3:AngularAcceleration28AA29"]]|(% style="width:56px" %) |(% style="width:70px" %)AA|(% style="width:71px" %)QAA|(% style="width:77px" %)CAA|(% style="width:77px" %)✓|(% style="width:56px" %) |(% style="width:151px" %) ✓|degrees per second squared|(% style="width:510px" %)Increments of 10 degrees per second squared
191 -| A4|(% style="width:182px" %)[[**A**ngular **D**eceleration>>||anchor="HA4:AngularDeceleration28AD29"]]|(% style="width:56px" %) |(% style="width:70px" %)AD|(% style="width:71px" %)QAD|(% style="width:77px" %)CAD|(% style="width:77px" %)✓|(% style="width:56px" %) |(% style="width:151px" %) ✓|degrees per second squared|(% style="width:510px" %)Increments of 10 degrees per second squared
192 -| A5|(% style="width:182px" %)[[**E**nable **M**otion Control>>||anchor="HA5:MotionControl28EM29"]]|(% style="width:56px" %) |(% style="width:70px" %)EM|(% style="width:71px" %)QEM|(% style="width:77px" %) |(% style="width:77px" %) |(% style="width:56px" %) |(% style="width:151px" %) ✓|none|(% style="width:510px" %)EM0 to disable motion control, EM1 to enable
193 -| A6|(% style="width:182px" %)[[**C**onfigure **L**ED **B**linking>>||anchor="HA6.ConfigureLEDBlinking28CLB29"]]|(% style="width:56px" %) |(% style="width:70px" %) |(% style="width:71px" %)QLB|(% style="width:77px" %) CLB|(% style="width:77px" %) |(% style="width:56px" %) ✓|(% style="width:151px" %) ✓|none (integer from 0 to 63)|(% style="width:510px" %)(((
194 -0=No blinking, 63=Always blink;
195 -
196 -Blink while: 1=Limp; 2=Holding; 4=Accel; 8=Decel; 16=Free 32=Travel;
197 -)))
198 -| A7|(% style="width:182px" %)[[**C**urrent **H**alt & **H**old>>||anchor="HA7.CurrentHalt26Hold28CH29"]]|(% style="width:56px" %)CH|(% style="width:70px" %) |(% style="width:71px" %) |(% style="width:77px" %) |(% style="width:77px" %)✓|(% style="width:56px" %) |(% style="width:151px" %)✓|milliamps (ex 400 = 0.4A)|(% style="width:510px" %)Modifier for D, MD, WD, WR
199 -| A8|(% style="width:182px" %)[[**C**urrent **L**imp>>||anchor="HA8.CurrentLimp28CL29"]]|(% style="width:56px" %)CL|(% style="width:70px" %) |(% style="width:71px" %) |(% style="width:77px" %) |(% style="width:77px" %)✓|(% style="width:56px" %) |(% style="width:151px" %)✓|milliamps (ex 400 = 0.4A)|(% style="width:510px" %)Modifier for D, MD, WD, WR
200 -
201 -== Details - Basic ==
202 -
203 203  ====== __1. Limp (**L**)__ ======
204 204  
205 205  Example: #5L<cr>
... ... @@ -210,28 +210,22 @@
210 210  
211 211  Example: #5H<cr>
212 212  
213 -This action overrides whatever the servo might be doing at the time the command is received (accelerating, moving continuously etc.) and causes it to stop immediately and hold that angular position.
198 +This action overrides whatever the servo might be doing at the time the command is received (accelerating, moving continuously etc.) and causes it to stop immediately and hold that position.
214 214  
215 -====== __3. Timed move (**T**) modifier__ ======
200 +====== __3. Timed move (**T**)__ ======
216 216  
217 217  Example: #5P1500T2500<cr>
218 218  
219 -Timed move can be used only as a modifier for a position (P, D, MD) actions. The units are in milliseconds, so a timed move of 2500 milliseconds would cause the servo to rotate from its current position to the desired position in 2.5 seconds. The onboard controller will attempt to ensure that the move is performed entirely at the desired velocity, though differences in torque may cause it to not be exact. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.
204 +Timed move can be used only as a modifier for a position (P) action. The units are in milliseconds, so a timed move of 2500 milliseconds would cause the servo to rotate from its current position to the desired position in 2.5 seconds. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.
220 220  
221 221  Note: If the calculated speed at which a servo must rotate for a timed move is greater than its maximum speed (which depends on voltage and load), then it will move at its maximum speed, and the time of the move may be longer than requested.
222 222  
223 -====== __4. Speed (**S**) modifier__ ======
208 +====== __4. Speed (**S**)__ ======
224 224  
225 225  Example: #5P1500S750<cr>
226 226  
227 227  This command is a modifier only for a position (P) action and determines the speed of the move in microseconds per second. A speed of 750 microseconds would cause the servo to rotate from its current position to the desired position at a speed of 750 microseconds per second. This command is in place to ensure backwards compatibility with the SSC-32 / 32U protocol.
228 228  
229 -Query Speed (**QS**)
230 -
231 -Example: #5QS<cr> might return *5QS300<cr>
232 -
233 -This command queries the current speed in microseconds per second.
234 -
235 235  ====== __5. (Relative) Move in Degrees (**MD**)__ ======
236 236  
237 237  Example: #5MD123<cr>
... ... @@ -242,11 +242,11 @@
242 242  
243 243  Example: #5O2400<cr>
244 244  
245 -This command allows you to temporarily change the origin of the servo in relation to the factory zero position for that session. As with all action commands, the setting will be lost upon servo reset / power cycle. Origin offset commands are not cumulative and always relate to factory zero. In the first image, the origin at factory offset '0' (centered).
224 +This command allows you to temporarily change the origin of the servo in relation to the factory zero position. The setting will be lost upon servo reset / power cycle. Origin offset commands are not cumulative and always relate to factory zero. Note that for a given session, the O command overrides the CO command. In the first image, the origin at factory offset '0' (centered).
246 246  
247 247  [[image:LSS-servo-default.jpg]]
248 248  
249 -In the second image, the origin, and the corresponding angular range (explained below) have been shifted by +240.0 degrees:
228 +In the second image, the origina, as well as the angular range (explained below) have been shifted by 240.0 degrees:
250 250  
251 251  [[image:LSS-servo-origin.jpg]]
252 252  
... ... @@ -254,33 +254,33 @@
254 254  
255 255  Example: #5QO<cr> Returns: *5QO-13
256 256  
257 -This allows you to query the angle (in tenths of degrees) of the origin in relation to the factory zero position. In this example, the new origin is at -1.3 degrees from the factory zero.
236 +This allows you to query the angle (in tenths of degrees) of the origin in relation to the factory zero position.
258 258  
259 259  Configure Origin Offset (**CO**)
260 260  
261 261  Example: #5CO-24<cr>
262 262  
263 -This command allows you to change the origin of the servo in relation to the factory zero position in EEPROM. The setting will be saved upon servo reset / power cycle. Origin offset configuration commands are not cumulative and always relate to factory zero. The new origin is also used in RC mode. In the example, the new origin will be at -2.4 degrees from the factory zero.
242 +This command allows you to change the origin of the servo in relation to the factory zero position in EEPROM. The setting will be saved upon servo reset / power cycle. Origin offset configuration commands are not cumulative and always relate to factory zero. The new origin is also used in RC mode.
264 264  
265 265  ====== __7. Angular Range (**AR**)__ ======
266 266  
267 267  Example: #5AR1800<cr>
268 268  
269 -This command allows you to temporarily change the total angular range of the servo in tenths of degrees. This applies to the Position in Pulse (P) command and RC mode. The default for (P) and RC mode is 1800 (180.0 degrees total, or ±90.0 degrees). The image below shows a standard -180.0 to +180.0 range, with no offset:
248 +This command allows you to temporarily change the total angular range of the servo in tenths of degrees. This applies to the Position in Pulse (P) command and RC mode. The default for (P) and RC mode is 1800 (180.0 degrees total, or ±90.0 degrees). In the first image,
270 270  
271 271  [[image:LSS-servo-default.jpg]]
272 272  
273 -Below, the angular range is restricted to 180.0 degrees, or -90.0 to +90.0. The center has remained unchanged.
252 +Here, the angular range has been restricted to 180.0 degrees, or -90.0 to +90.0. The center has remained unchanged.
274 274  
275 275  [[image:LSS-servo-ar.jpg]]
276 276  
277 -Finally, the angular range action command (ex. #5AR1800<cr>) and origin offset action command (ex. #5O-1200<cr>) are used to move both the center and limit the angular range:
256 +The angular range action command (ex. #5AR1800<cr>) and origin offset action command (ex. #5O-1200<cr>) an be used to move both the center and limit the angular range:
278 278  
279 279  [[image:LSS-servo-ar-o-1.jpg]]
280 280  
281 281  Query Angular Range (**QAR**)
282 282  
283 -Example: #5QAR<cr> might return *5AR1800, indicating the total angular range is 180.0 degrees.
262 +Example: #5QAR<cr> might return *5AR2756
284 284  
285 285  Configure Angular Range (**CAR**)
286 286  
... ... @@ -290,7 +290,7 @@
290 290  
291 291  Example: #5P2334<cr>
292 292  
293 -The position in PWM pulses was retained in order to be backward compatible with the SSC-32 / 32U protocol. This relates the desired angle with an RC standard PWM pulse and is further explained in the SSC-32 and SSC-32U manuals found on Lynxmotion.com. Without any modifications to configuration considered, and a ±90.0 degrees standard range where 1500 microseconds is centered, a pulse of 2334 would set the servo to 165.1 degrees. Valid values for P are [500, 2500]. Values outside this range are corrected / restricted to end points.
272 +The position in PWM pulses was retained in order to be backward compatible with the SSC-32 / 32U protocol. This relates the desired angle with an RC standard PWM pulse and is further explained in the SSC-32 and SSC-32U manuals found on Lynxmotion.com. Without any modifications to configuration considered, and a ±90.0 degrees standard range where 1500 microseconds is centered, a pulse of 2334 would set the servo to 165.1 degrees. Valid values for P are [500, 2500]. Values outside this range are corrected to end points.
294 294  
295 295  Query Position in Pulse (**QP**)
296 296  
... ... @@ -301,7 +301,7 @@
301 301  
302 302  ====== __9. Position in Degrees (**D**)__ ======
303 303  
304 -Example: #5D1456<cr>
283 +Example: #5PD1456<cr>
305 305  
306 306  This moves the servo to an angle of 145.6 degrees, where the center (0) position is centered. Negative values (ex. -176 representing -17.6 degrees) are used. A full circle would be from -1800 to 1800 degrees. A value of 2700 would be the same angle as -900, except the servo would move in a different direction.
307 307  
... ... @@ -313,13 +313,6 @@
313 313  
314 314  This means the servo is located at 13.2 degrees.
315 315  
316 -(% class="wikigeneratedid" id="H22.QueryTargetPositioninDegrees28QDT29" %)
317 -Query Target Position in Degrees (**QDT**)
318 -
319 -Ex: #5QDT<cr> might return *5QDT6783<cr>
320 -
321 -The query target position command returns the target angle during and after an action which results in a rotation of the servo horn. In the example above, the servo is rotating to a virtual position of 678.3 degrees. Should the servo not have a target position or be in wheel mode, it will respond without a number (Ex: *5QDT<cr>).
322 -
323 323  ====== __10. Wheel Mode in Degrees (**WD**)__ ======
324 324  
325 325  Ex: #5WD900<cr>
... ... @@ -344,22 +344,22 @@
344 344  
345 345  The servo replies with the angular speed in rpm. A negative sign would indicate the opposite direction (for factory default a negative value would be counter clockwise).
346 346  
347 -====== __12. Max Speed in Degrees (**SD**)__ ======
319 +====== __12. Speed in Degrees (**SD**)__ ======
348 348  
349 349  Ex: #5SD1800<cr>
350 350  
351 -This command sets the servo's maximum speed for motion commands in tenths of degrees per second for that session. In the example above, the servo's maximum speed for that session would be set to 180.0 degrees per second. The servo's maximum speed cannot be set higher than its physical limit at a given voltage. The SD action command overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD and SR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) received is what the servo uses for that session.
323 +This command sets the servo's maximum speed for action commands in tenths of degrees per second for that session. In the example above, the servo's maximum speed for that session would be set to 180.0 degrees per second. Therefore maximum speed for actions can be set "on the fly". The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SD overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD and SR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) is what the servo uses for that session.
352 352  
353 353  Query Speed in Degrees (**QSD**)
354 354  
355 355  Ex: #5QSD<cr> might return *5QSD1800<cr>
356 356  
357 -By default QSD will return the current session value, which is set to the value of CSD as reset/power cycle and changed whenever an SD/SR command is processed.
329 +By default QSD will return the current session value, which is set to the value of CSD as reset/power cycle and changed whenever a SD/SR command is processed.
358 358  If #5QSD1<cr> is sent, the configured maximum speed (CSD value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:
359 359  
360 360  |**Command sent**|**Returned value (1/10 °)**
361 361  |ex: #5QSD<cr>|Session value for maximum speed (set by latest SD/SR command)
362 -|ex: #5QSD1<cr>|Configured maximum speed in EEPROM (set by CSD/CSR)
334 +|ex: #5QSD1<cr>|Configured maximum speed  (set by CSD/CSR)
363 363  |ex: #5QSD2<cr>|Instantaneous speed (same as QWD)
364 364  |ex: #5QSD3<cr>|Target travel speed
365 365  
... ... @@ -369,22 +369,22 @@
369 369  
370 370  Using the CSD command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 180.0 degrees per second. When the servo is powered on (or after a reset), the CSD value is used. Note that CSD and CSR (described below) are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) is what the servo uses for that session.
371 371  
372 -====== __13. Max Speed in RPM (**SR**)__ ======
344 +====== __13. Speed in RPM (**SR**)__ ======
373 373  
374 374  Ex: #5SD45<cr>
375 375  
376 -This command sets the servo's maximum speed for motion commands in rpm for that session. In the example above, the servo's maximum speed for that session would be set to 45rpm. The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SD overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD (described above) and SR are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) received is what the servo uses for that session.
348 +This command sets the servo's maximum speed for action commands in rpm for that session. In the example above, the servo's maximum speed for that session would be set to 45rpm. Therefore maximum speed for actions can be set "on the fly". The servo's maximum speed cannot be set higher than its physical limit at a given voltage. SD overrides CSD (described below) for that session. Upon reset or power cycle, the servo reverts to the value associated with CSD as described below. Note that SD (described above) and SR are effectively the same, but allow the user to specify the speed in either unit. The last command (either SR or SD) is what the servo uses for that session.
377 377  
378 378  Query Speed in Degrees (**QSR**)
379 379  
380 380  Ex: #5QSR<cr> might return *5QSR45<cr>
381 381  
382 -By default QSR will return the current session value, which is set to the value of CSR as reset/power cycle and changed whenever an SD/SR command is processed.
354 +By default QSR will return the current session value, which is set to the value of CSR as reset/power cycle and changed whenever a SD/SR command is processed.
383 383  If #5QSR1<cr> is sent, the configured maximum speed (CSR value) will be returned instead. You can also query the current speed using "2" and the current target travel speed using "3". See the table below for an example:
384 384  
385 385  |**Command sent**|**Returned value (1/10 °)**
386 386  |ex: #5QSR<cr>|Session value for maximum speed (set by latest SD/SR command)
387 -|ex: #5QSR1<cr>|Configured maximum speed in EEPROM (set by CSD/CSR)
359 +|ex: #5QSR1<cr>|Configured maximum speed  (set by CSD/CSR)
388 388  |ex: #5QSR2<cr>|Instantaneous speed (same as QWR)
389 389  |ex: #5QSR3<cr>|Target travel speed
390 390  
... ... @@ -392,344 +392,272 @@
392 392  
393 393  Ex: #5CSR45<cr>
394 394  
395 -Using the CSR command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 45rpm. When the servo is powered on (or after a reset), the CSR value is used. Note that CSD and CSR are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) received is what the servo uses for that session.
367 +Using the CSR command sets the servo's maximum speed which is saved in EEPROM. In the example above, the servo's maximum speed will be set to 45rpm. When the servo is powered on (or after a reset), the CSR value is used. Note that CSD and CSR are effectively the same, but allow the user to specify the speed in either unit. The last command (either CSR or CSD) is what the servo uses for that session.
396 396  
397 -====== __14. LED Color (**LED**)__ ======
369 +====== __14. Angular Stiffness (**AS**)__ ======
398 398  
399 -Ex: #5LED3<cr>
371 +The servo's rigidity / angular stiffness can be thought of as (though not identical to) a damped spring in which the value affects the stiffness and embodies how much, and how quickly the servo tried keep the requested position against changes.
400 400  
401 -This action sets the servo's RGB LED color for that session.The LED can be used for aesthetics, or (based on user code) to provide visual status updates. Using timing can create patterns.
373 +A positive value of "angular stiffness":
402 402  
403 -0=Off (black); 1=Red 2=Green; 3=Blue; 4=Yellow; 5=Cyan; 6=Magenta; 7=White;
375 +* The more torque will be applied to try to keep the desired position against external input / changes
376 +* The faster the motor will reach its intended travel speed and the motor will decelerate faster and nearer to its target position
404 404  
405 -Query LED Color (**QLED**)
378 +A negative value on the other hand:
406 406  
407 -Ex: #5QLED<cr> might return *5QLED5<cr>
380 +* Causes a slower acceleration to the travel speed, and a slower deceleration
381 +* Allows the target position to deviate more from its position before additional torque is applied to bring it back
408 408  
409 -This simple query returns the indicated servo's LED color.
383 +The default value is zero and the effect becomes extreme by -4, +4. There are no units, only integers between -4 to 4. Greater values produce increasingly erratic behavior.
410 410  
411 -Configure LED Color (**CLED**)
385 +Ex: #5AS-2<cr>
412 412  
413 -Configuring the LED color via the CLED command sets the startup color of the servo after a reset or power cycle. Note that it also changes the session's LED color immediately as well.
387 +This reduces the angular stiffness to -2 for that session, allowing the servo to deviate more around the desired position. This can be beneficial in many situations such as impacts (legged robots) where more of a "spring" effect is desired. Upon reset, the servo will use the value stored in memory, based on the last configuration command.
414 414  
415 -====== __15. Gyre Rotation Direction (**G**)__ ======
389 +Ex: #5QAS<cr>
416 416  
417 -"Gyre" is defined as a circular course or motion. The effect of changing the gyre direction is as if you were to use a mirror image of a circle. CW = 1; CCW = -1. The factory default is clockwise (CW).
391 +Queries the value being used.
418 418  
419 -Ex: #5G-1<cr>
393 +Ex: #5CAS<cr>
420 420  
421 -This command will cause servo #5's positions to be inverted, effectively causing the servo to rotate in the opposite direction given the same command. For example in a 2WD robot, servos are often physically installed back to back, therefore setting one of the servos to a negative gyration, the same wheel command (ex WR30) to both servos will cause the robot to move forward or backward rather than rotate.
395 +Writes the desired angular stiffness value to memory.
422 422  
423 -Query Gyre Direction (**QG**)
397 +====== __15. Angular Hold Stiffness (**AH**)__ ======
424 424  
425 -Ex: #5QG<cr> might return *5QG-1<cr>
399 +The angular holding stiffness determines the servo's ability to hold a desired position under load. Values can be from -10 to 10, with the default being 0. Note that negative values mean the final position can be easily deflected.
426 426  
427 -The value returned above means the servo is in a counter-clockwise gyration.
401 +Ex: #5AH3<cr>
428 428  
429 -Configure Gyre (**CG**)
403 +This sets the holding stiffness for servo #5 to 3 for that session.
430 430  
431 -Ex: #5CG-1<cr>
405 +Query Angular Hold Stiffness (**QAH**)
432 432  
433 -This changes the gyre direction as described above and also writes to EEPROM.
407 +Ex: #5QAH<cr> might return *5QAH3<cr>
434 434  
435 -====== __16. Identification Number (**ID**)__ ======
409 +This returns the servo's angular holding stiffness value.
436 436  
437 -A servo's identification number cannot be set "on the fly" and must be configured via the CID command described below. The factory default ID number for all servos is 0. Since smart servos are intended to be daisy chained, in order to respond differently from one another, the user must set different identification numbers. Servos with the same ID and baud rate will all receive and react to the same commands (assuming same baud rate).
411 +Configure Angular Hold Stiffness (**CAH**)
438 438  
439 -Query Identification (**QID**)
413 +Ex: #5CAH2<cr>
440 440  
441 -EX: #254QID<cr> might return *QID5<cr>
415 +This writes the angular holding stiffness of servo #5 to 2 to EEPROM
442 442  
443 -When using the query ID command, it is best to only have one servo connected and thus receive only one reply. This is useful when you are not sure of the servo's ID, but don't want to change it. Using the broadcast command (ID 254) with only one servo will have that servo reply with its ID number (assuming the query is sent . Alternatively, pushing the button upon startup and temporarily setting the servo ID to 255 will still result in the servo responding with its "real" ID.
417 +====== __15b: Angular Acceleration (**AA**)__ ======
444 444  
445 -Configure ID (**CID**)
419 +{More details to come}
446 446  
447 -Ex: #4CID5<cr>
421 +====== __15c: Angular Deceleration (**AD**)__ ======
448 448  
449 -Setting a servo's ID in EEPROM is done via the CID command. All servos connected to the same serial bus will be assigned that ID. In most situations each servo must be set a unique ID, which means each servo must be connected individually to the serial bus and receive a unique CID number. It is best to do this before the servos are added to an assembly. Numbered stickers are provided to distinguish each servo after their ID is set, though you are free to use whatever alternative method you like. The servo must be RESET or power cycled in order for the new ID to take effect.
423 +{More details to come}
450 450  
451 -====== __17. Baud Rate__ ======
425 +====== __15d: Motion Control (**EM**)__ ======
452 452  
453 -A servo's baud rate cannot be set "on the fly" and must be configured via the CB command described below. The factory default baud rate for all servos is 115200. Since smart servos are intended to be daisy chained, in order to respond to the same serial bus, all servos in a project should ideally be set to the same baud rate. Setting different baud rates will have the servos respond differently and may create issues. Available baud rates are: 9600 bps, 19200 bps, 38400 bps, 57600 bps, 115.2 kbps, 230.4 kbps, 250.0 kbps, 460.8 kbps, 500.0 kbps. Servos are shipped with a baud rate set to 115200. The baud rates are currently restricted to those above.
427 +{More details to come}
454 454  
455 -Query Baud Rate (**QB**)
429 +====== __16. RGB LED (**LED**)__ ======
456 456  
457 -Ex: #5QB<cr> might return *5QB115200<cr>
431 +Ex: #5LED3<cr>
458 458  
459 -Since the command to query the baud rate must be done at the servo's existing baud rate, it can simply be used to confirm the CB configuration command was correctly received before the servo is power cycled and the new baud rate takes effect.
433 +This action sets the servo's RGB LED color for that session.The LED can be used for aesthetics, or (based on user code) to provide visual status updates. Using timing can create patterns.
460 460  
461 -Configure Baud Rate (**CB**)
435 +0=OFF 1=RED 2=GREEN 3= BLUE 4=YELLOW 5=CYAN 6= 7=MAGENTA, 8=WHITE 
462 462  
463 -Important Note: the servo's current session retains the given baud rate and the new baud rate will only take effect when the servo is power cycled / RESET.
437 +Query LED Color (**QLED**)
464 464  
465 -Ex: #5CB9600<cr>
439 +Ex: #5QLED<cr> might return *5QLED5<cr>
466 466  
467 -Sending this command will change the baud rate associated with servo ID 5 to 9600 bits per second.
441 +This simple query returns the indicated servo's LED color.
468 468  
469 -====== __18. {//Coming soon//}__ ======
443 +Configure LED Color (**CLED**)
470 470  
471 -Command coming soon....
445 +Configuring the LED color via the CLED command sets the startup color of the servo after a reset or power cycle. Note that it also changes the session's LED color immediately as well.
472 472  
473 -====== __19. First Position (Degrees)__ ======
447 +====== __17. Identification Number__ ======
474 474  
475 -In certain cases, a user might want to have the servo move to a specific angle upon power up; we refer to this as "first position" (a.k.a. "initial position"). The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. Note that the number should be restricted to -1790 (-179.0 degrees) to +1790 (179.0 degrees) and values beyond this will be changed to 1800.
449 +A servo's identification number cannot be set "on the fly" and must be configured via the CID command described below. The factory default ID number for all servos is 0. Since smart servos are intended to be daisy chained, in order to respond differently from one another, the user must set different identification numbers. Servos with the same ID and baud rate will all receive and react to the same commands.
476 476  
477 -Query First Position in Degrees (**QFD**)
451 +Query Identification (**QID**)
478 478  
479 -Ex: #5QFD<cr> might return *5QFD64<cr>
453 +EX: #254QID<cr> might return *QID5<cr>
480 480  
481 -The reply above indicates that servo with ID 5 has a first position pulse of 1550 microseconds. If there is no first position value stored, the reply will be DIS
455 +When using the query ID command, it is best to only have one servo connected and thus receive only one reply using the broadcast command (ID 254). Alternatively, pushing the button upon startup and temporarily setting the servo ID to 255 will still result in the servo responding with its "real" ID.
482 482  
483 -Configure First Position in Degrees (**CFD**)
457 +Configure ID (**CID**)
484 484  
485 -Ex: #5CD64<cr>
459 +Ex: #4CID5<cr>
486 486  
487 -This configuration command means the servo, when set to smart mode, will immediately move to 6.4 degrees upon power up. Sending a CFD command without a number (Ex. #5CFD<cr>) results in the servo remaining limp upon power up. In order to remove the first position, send no value, ex: #5CFD<cr>
461 +Setting a servo's ID in EEPROM is done via the CID command. All servos connected to the same serial bus will be assigned that ID. In most situations each servo must be set a unique ID, which means each servo must be connected individually to the serial bus and receive a unique CID number. It is best to do this before the servos are added to an assembly. Numbered stickers are provided to distinguish each servo after their ID is set, though you are free to use whatever alternative method you like.
488 488  
489 -====== __20. Query Model String (**QMS**)__ ======
463 +====== __18. Baud Rate__ ======
490 490  
491 -Ex: #5QMS<cr> might return *5QMSLSS-HS1cr>
465 +A servo's baud rate cannot be set "on the fly" and must be configured via the CB command described below. The factory default baud rate for all servos is 9600. Since smart servos are intended to be daisy chained, in order to respond to the same serial bus, all servos in that project should ideally be set to the same baud rate. Setting different baud rates will have the servos respond differently and may create issues. Available baud rates are: 9.6 kbps, 19.2 kbps, 38.4 kbps, 57.6 kbps, 115.2 kbps, 230.4 kbps, 250.0 kbps, 460.8 kbps, 500.0 kbps, 750.0 kbps*, 921.6 kbps*. Servos are shipped with a baud rate set to 9600. The baud rates are currently restricted to those above.
466 +\*: Current tests reveal baud rates above 500 kbps are unstable and can cause timeouts. Please keep this in mind if using those / testing them out.
492 492  
493 -This reply means the servo model is LSS-HS1, meaning a high speed servo, first revision.
468 +Query Baud Rate (**QB**)
494 494  
495 -====== __21. Query Serial Number (**QN**)__ ======
470 +Ex: #5QB<cr> might return *5QB9600<cr>
496 496  
497 -Ex: #5QN<cr> might return *5QN12345678<cr>
472 +Querying the baud rate is used simply to confirm the CB configuration command before the servo is power cycled.
498 498  
499 -The number in the response (12345678) would be the servo's serial number which is set and should not be changed by the user.
474 +Configure Baud Rate (**CB**)
500 500  
501 -====== __22. Query Firmware (**QF**)__ ======
476 +Ex: #5CB9600<cr>
502 502  
503 -Ex: #5QF<cr> might return *5QF411<cr>
478 +Sending this command will change the baud rate associated with servo ID 5 to 9600 bits per second.
504 504  
505 -The number in the reply represents the firmware version, in this example being 411.
480 +====== __19. Gyre Rotation Direction__ ======
506 506  
507 -====== __23. Query Status (**Q**)__ ======
482 +"Gyre" is defined as a circular course or motion. The effect of changing the gyre direction is as if you were to use a mirror image of a circle. CW = 1; CCW = -1. The factory default is clockwise (CW).
508 508  
509 -The status query described what the servo is currently doing. The query returns an integer which must be looked up in the table below. Use the CLB advanced command to have the LED blink for certain statuses.
484 +{images showing before and after with AR and Origin offset}
510 510  
511 -Ex: #5Q<cr> might return *5Q6<cr>, which indicates the motor is holding a position.
486 +Query Gyre Direction (**QG**)
512 512  
513 -|***Value returned (Q)**|**Status**|**Detailed description**
514 -|ex: *5Q0<cr>|0: Unknown|LSS is unsure / unknown state
515 -|ex: *5Q1<cr>|1: Limp|Motor driving circuit is not powered and horn can be moved freely
516 -|ex: *5Q2<cr>|2: Free moving|Motor driving circuit is not powered and horn can be moved freely
517 -|ex: *5Q3<cr>|3: Accelerating|Increasing speed from rest (or previous speed) towards travel speed
518 -|ex: *5Q4<cr>|4: Traveling|Moving at a stable speed
519 -|ex: *5Q5<cr>|5: Decelerating|Decreasing from travel speed towards final position.
520 -|ex: *5Q6<cr>|6: Holding|Keeping current position
521 -|ex: *5Q7<cr>|7: Outside limits|{More details coming soon}
522 -|ex: *5Q8<cr>|8: Stuck|Motor cannot perform request movement at current speed setting
523 -|ex: *5Q9<cr>|9: Blocked|Similar to stuck, but the motor is at maximum duty and still cannot move (i.e.: stalled)
524 -|ex: *5Q10<cr>|10: Safe Mode|(((
525 -A safety limit has been exceeded (temperature, peak current or extended high current draw).
488 +Ex: #5QG<cr> might return *5QG-1<cr>
526 526  
527 -Send a Q1 command to know which limit has been reached (described below).
528 -)))
490 +The value returned above means the servo is in a counter-clockwise gyration.
529 529  
530 -(% class="wikigeneratedid" %)
531 -If a safety limit has been reached and exceeded, the LED will flash red and the servo will stop providing torque (no longer react to commands which cause the motor to rotate). In order to determine which limit has been reached, send a Q1 command. The servo must be RESET in order to return to normal operation, though if a limit is still detected (for example the servo is still too hot), it will revert back to Safe Mode.
492 +Configure Gyre (**CG**)
532 532  
533 -|***Value returned (Q1)**|**Status**|**Detailed description**
534 -|ex: *5Q0<cr>|No limits have been passed|Nothing is wrong
535 -|ex: *5Q1<cr>|Current limit has been passed|Something cause the current to either spike, or remain too high for too long
536 -|ex: *5Q2<cr>|Input voltage detected is below or above acceptable range|Check the voltage of your batteries or power source
537 -|ex: *5Q3<cr>|Temperature limit has been reached|The servo is too hot to continue operating safely.
494 +Ex: #5CG-1<cr>
538 538  
539 -====== __24. Query Voltage (**QV**)__ ======
496 +This changes the gyre direction as described above and also writes to EEPROM.
540 540  
541 -Ex: #5QV<cr> might return *5QV11200<cr>
498 +====== __20. First / Initial Position (pulse)__ ======
542 542  
543 -The number returned has one decimal, so in the case above, servo with ID 5 has an input voltage of 11.2V (perhaps a three cell LiPo battery).
500 +In certain cases, a user might want to have the servo move to a specific angle upon power up. We refer to this as "first position". The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. FP and FD are different in that FP is used for RC mode only, whereas FD is used for smart mode only.
544 544  
545 -====== __25. Query Temperature (**QT**)__ ======
502 +Query First Position in Pulses (**QFP**)
546 546  
547 -Ex: #5QT<cr> might return *5QT564<cr>
504 +Ex: #5QFP<cr> might return *5QFP1550<cr>
548 548  
549 -The units are in tenths of degrees Celcius, so in the example above, the servo's internal temperature is 56.4 degrees C. To convert from degrees Celcius to degrees Farenheit, multiply by 1.8 and add 32. Therefore 56.4C = 133.52F.
506 +The reply above indicates that servo with ID 5 has a first position pulse of 1550 microseconds. If no first position has been set, servo will respond with DIS ("disabled").
550 550  
551 -====== __26. Query Current (**QC**)__ ======
508 +Configure First Position in Pulses (**CFP**)
552 552  
553 -Ex: #5QC<cr> might return *5QC140<cr>
510 +Ex: #5CP1550<cr>
554 554  
555 -The units are in milliamps, so in the example above, the servo is consuming 140mA, or 0.14A.
512 +This configuration command means the servo, when set to RC mode, will immediately move to an angle equivalent to having received an RC pulse of 1550 microseconds upon power up. Sending a CFP command without a number results in the servo remaining limp upon power up (i.e. disabled).
556 556  
557 -====== __27. Configure RC Mode (**CRC**)__ ======
514 +====== __21. First / Initial Position (Degrees)__ ======
558 558  
559 -This command puts the servo into RC mode (position or continuous), where it will only respond to RC pulses. Note that because this is the case, the servo will no longer accept serial commands. The servo can be placed back into smart mode by using the button menu.
516 +In certain cases, a user might want to have the servo move to a specific angle upon power up. We refer to this as "first position". The factory default has no first position value stored in EEPROM and therefore upon power up, the servo remains limp until a position (or hold command) is assigned. FP and FD are different in that FP is used for RC mode only, whereas FD is used for smart mode only.
560 560  
561 -|**Command sent**|**Note**
562 -|ex: #5CRC1<cr>|Change to RC position mode.
563 -|ex: #5CRC2<cr>|Change to RC continuous (wheel) mode.
564 -|ex: #5CRC*<cr>|Where * is any number or value other than 1 or 2 (or no value): stay in smart mode.
518 +Query First Position in Degrees (**QFD**)
565 565  
566 -EX: #5CRC2<cr>
520 +Ex: #5QFD<cr> might return *5QFD64<cr>
567 567  
568 -This command would place the servo in RC wheel mode after a RESET or power cycle. Note that after a RESET or power cycle, the servo will be in RC mode and will not reply to serial commands. Using the command #5CRC<cr> or #5CRC3<cr> which requests that the servo remain in serial mode still requires a RESET command.
522 +The reply above indicates that servo with ID 5 has a first position pulse of 1550 microseconds.
569 569  
570 -Important note:** **To revert from RC mode back to serial mode, the [[LSS - Button Menu>>doc:lynxmotion-smart-servo.lss-button-menu.WebHome]] is required. Should the button be inaccessible (or broken) when the servo is in RC mode and the user needs to change to serial mode, a 5V constant HIGH needs to be sent to the servo's Rx pin (RC PWM pin), ensuring a common GND and wait for 30 seconds. Normal RC PWM pulses should not exceed 2500 milliseconds. After 30 seconds, the servo will interpret this as a desired mode change and change to serial mode. This has been implemented as a fail safe.
524 +Configure First Position in Degrees (**CFD**)
571 571  
572 -====== __28. **RESET**__ ======
526 +Ex: #5CD64<cr>
573 573  
574 -Ex: #5RESET<cr> or #5RS<cr>
528 +This configuration command means the servo, when set to smart mode, will immediately move to 6.4 degrees upon power up. Sending a CFD command without a number results in the servo remaining limp upon power up.
575 575  
576 -This command does a "soft reset" (no power cycle required) and reverts all commands to those stored in EEPROM (i.e. configuration commands).
577 -Note: after a RESET command is received the LSS will restart and perform initilization again, making it unavailable on the bus for a bit. See [[Session>>||anchor="HSession"]], note #2 for more details.
530 +====== __22. Query Target Position in Degrees (**QDT**)__ ======
578 578  
579 -====== __29. **DEFAULT** & CONFIRM__ ======
532 +Ex: #5QDT<cr> might return *5QDT6783<cr>
580 580  
581 -Ex: #5DEFAULT<cr>
534 +The query target position command returns the target angle during and after an action which results in a rotation of the servo horn. In the example above, the servo is rotating to a virtual position of 678.3 degrees. Should the servo not have a target position or be in wheel mode, it will respond without a number (Ex: *5QDT<cr>).
582 582  
583 -This command sets in motion the reset of all values to the default values included with the version of the firmware installed on that servo. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the DEFAULT function.
536 +====== __23. Query Model String (**QMS**)__ ======
584 584  
585 -EX: #5DEFAULT<cr> followed by #5CONFIRM<cr>
538 +Ex: #5QMS<cr> might return *5QMSLSS-HS1cr>
586 586  
587 -Since it it not common to have to restore all configurations, a confirmation command is needed after a firmware command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will exit the command.
540 +This reply means the servo model is LSS-HS1, meaning a high speed servo, first revision.
588 588  
589 -Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.
542 +====== __23b. Query Model (**QM**)__ ======
590 590  
591 -====== __30. **UPDATE** & CONFIRM__ ======
544 +Ex: #5QM<cr> might return *5QM68702699520cr>
592 592  
593 -Ex: #5UPDATE<cr>
546 +This reply means the servo model is 0xFFF000000 or 100, meaning a high speed servo, first revision.
594 594  
595 -This command sets in motion the equivalent of a long button press when the servo is not powered in order to enter firmware update mode. This is useful should the button be broken or inaccessible. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the UPDATE function.
548 +====== __24. Query Serial Number (**QN**)__ ======
596 596  
597 -EX: #5UPDATE<cr> followed by #5CONFIRM<cr>
550 +Ex: #5QN<cr> might return *5QN~_~_<cr>
598 598  
599 -Since it it not common to have to update firmware, a confirmation command is needed after an UPDATE command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.
552 +The number in the response is the servo's serial number which is set and cannot be changed.
600 600  
601 -Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.
554 +====== __25. Query Firmware (**QF**)__ ======
602 602  
603 -== Details - Advanced ==
556 +Ex: #5QF<cr> might return *5QF11<cr>
604 604  
605 -The motion controller used in serial mode is not the same as the motion controller use in RC mode. RC mode is intended to add functionality to what would be considered "normal" RC behavior based on PWM input.
558 +The integer in the reply represents the firmware version with one decimal, in this example being 1.1
606 606  
607 -====== __A1. Angular Stiffness (**AS**)__ ======
560 +====== __26. Query Status (**Q**)__ ======
608 608  
609 -The servo's rigidity / angular stiffness can be thought of as (though not identical to) a damped spring in which the value affects the stiffness and embodies how much, and how quickly the servo tried keep the requested position against changes. There are no units.
562 +Ex: #5Q<cr> might return *5Q6<cr>, which indicates the motor is holding a position.
610 610  
611 -A positive value of "angular stiffness":
564 +|*Value returned|**Status**|**Detailed description**
565 +|ex: *5Q0<cr>|Unknown|LSS is unsure
566 +|ex: *5Q1<cr>|Limp|Motor driving circuit is not powered and horn can be moved freely
567 +|ex: *5Q2<cr>|Free moving|Motor driving circuit is not powered and horn can be moved freely
568 +|ex: *5Q3<cr>|Accelerating|Increasing speed from rest (or previous speeD) towards travel speed
569 +|ex: *5Q4<cr>|Traveling|Moving at a stable speed
570 +|ex: *5Q5<cr>|Decelerating|Decreasing from travel speed towards final position.
571 +|ex: *5Q6<cr>|Holding|Keeping current position
572 +|ex: *5Q7<cr>|Stepping|Special low speed mode to maintain torque
573 +|ex: *5Q8<cr>|Outside limits|{More details coming soon}
574 +|ex: *5Q9<cr>|Stuck|Motor cannot perform request movement at current speed setting
575 +|ex: *5Q10<cr>|Blocked|Similar to stuck, but the motor is at maximum duty and still cannot move (i.e.: stalled)
612 612  
613 -* The more torque will be applied to try to keep the desired position against external input / changes
614 -* The faster the motor will reach its intended travel speed and the motor will decelerate faster and nearer to its target position
577 +====== __27. Query Voltage (**QV**)__ ======
615 615  
616 -A negative value on the other hand:
579 +Ex: #5QV<cr> might return *5QV11200<cr>
617 617  
618 -* Causes a slower acceleration to the travel speed, and a slower deceleration
619 -* Allows the target position to deviate more from its position before additional torque is applied to bring it back
581 +The number returned has one decimal, so in the case above, servo with ID 5 has an input voltage of 11.2V (perhaps a three cell LiPo battery).
620 620  
621 -The default value for stiffness depending on the firmware may be 0 or 1. Greater values produce increasingly erratic behavior and the effect becomes extreme below -4 and above +4. Maximum values are -10 to +10.
583 +====== __28. Query Temperature (**QT**)__ ======
622 622  
623 -Ex: #5AS-2<cr>
585 +Ex: #5QT<cr> might return *5QT564<cr>
624 624  
625 -This reduces the angular stiffness to -2 for that session, allowinthe servo to deviate more around the desired position. This can be beneficial in many situations such as impacts (legged robots) where more of a "spring" effect is desired. Upon reset, the servo will use the value stored in memory, based on the last configuration command.
587 +The units are in tenths of degrees Celcius, so in the example above, the servo's internal temperature is 56.4 degrees C. To convert from degrees Celcius to degrees Farenheit, multiply by 1.8 and add 32. Therefore 56.4C = 133.52F.
626 626  
627 -Ex: #5QAS<cr>
589 +====== __29. Query Current (**QC**)__ ======
628 628  
629 -Queries the value being used.
591 +Ex: #5QC<cr> might return *5QC140<cr>
630 630  
631 -Ex: #5CAS<cr>
593 +The units are in milliamps, so in the example above, the servo is consuming 140mA, or 0.14A.
632 632  
633 -Writes the desired angular stiffness value to memory.
595 +====== __30. RC Mode (**CRC**)__ ======
634 634  
635 -====== __A2. Angular Holding Stiffness (**AH**)__ ======
597 +This command puts the servo into RC mode (position or continuous), where it will only respond to RC pulses. Note that because this is the case, the servo will no longer accept serial commands. The servo can be placed back into smart mode by using the button menu.
636 636  
637 -The angular holding stiffness determines the servo's ability to hold a desired position under load. The default value for stiffness depending on the firmware may be 0 or 1. Greater values produce increasingly erratic behavior and the effect becomes extreme below -4 and above +4. Maximum values are -10 to +10. Note that when  considering altering a stiffness value, the end effect depends on the mode being tested.
599 +|**Command sent**|**Note**
600 +|ex: #5CRC<cr>|Stay in smart mode.
601 +|ex: #5CRC1<cr>|Change to RC position mode.
602 +|ex: #5CRC2<cr>|Change to RC continuous (wheel) mode.
603 +|ex: #5CRC*<cr>|Where * is any number or value. Stay in smart mode.
638 638  
639 -Ex: #5AH3<cr>
605 +EX: #5CRC<cr>
640 640  
641 -This sets the holding stiffness for servo #5 to 3 for that session.
607 +====== __31. RESET__ ======
642 642  
643 -Query Angular Hold Stiffness (**QAH**)
609 +Ex: #5RESET<cr> or #5RS<cr>
644 644  
645 -Ex: #5QAH<cr> might return *5QAH3<cr>
611 +This command does a "soft reset" (no power cycle required) and reverts all commands to those stored in EEPROM (i.e. configuration commands).
646 646  
647 -This returns the servo's angular holding stiffness value.
613 +====== __32. DEFAULT & CONFIRM__ ======
648 648  
649 -Configure Angular Hold Stiffness (**CAH**)
615 +Ex: #5DEFAULT<cr>
650 650  
651 -Ex: #5CAH2<cr>
617 +This command sets in motion the reset all values to the default values included with the version of the firmware installed on that servo. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the DEFAULT function.
652 652  
653 -This writes the angular holding stiffness of servo #5 to 2 to EEPROM. Note that when  considering altering a stiffness value, the end effect depends on the mode being tested.
619 +EX: #5DEFAULT<cr> followed by #5CONFIRM<cr>
654 654  
655 -====== __A3: Angular Acceleration (**AA**)__ ======
621 +Since it it not common to have to restore all configurations, a confirmation command is needed after a firmware command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.
656 656  
657 -The default value for angular acceleration is 100, which is the same as the maximum deceleration. Accepts values of between 1 and 100. Increments of 10 degrees per second squared.
623 +Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.
658 658  
659 -Ex: #5AA30<cr>
625 +====== __33. UPDATE & CONFIRM__ ======
660 660  
661 -Query Angular Acceleration (**QAD**)
627 +Ex: #5UPDATE<cr>
662 662  
663 -Ex: #5QA<cr> might return *5QA30<cr>
629 +This command sets in motion the equivalent of a long button press when the servo is not powered in order to enter firmware update mode. This is useful should the button be broken or inaccessible. The servo then waits for the CONFIRM command. Any other command received will cause the servo to exit the UPDATE function.
664 664  
665 -Configure Angular Acceleration (**CAD**)
631 +EX: #5UPDATE<cr> followed by #5CONFIRM<cr>
666 666  
667 -Ex: #5CA30<cr>
633 +Since it it not common to have to update firmware, a confirmation command is needed after an UPDATE command is sent. Should any command other than CONFIRM be received by the servo after the firmware command has been received, it will leave the firmware action.
668 668  
669 -====== __A4: Angular Deceleration (**AD**)__ ======
670 -
671 -The default value for angular deceleration is 100, which is the same as the maximum acceleration. Values between 1 and 15 have the greatest impact.
672 -
673 -Ex: #5AD8<cr>
674 -
675 -Query Angular Deceleration (**QAD**)
676 -
677 -Ex: #5QD<cr> might return *5QD8<cr>
678 -
679 -Configure Angular Deceleration (**CAD**)
680 -
681 -Ex: #5CD8<cr>
682 -
683 -====== __A5: Motion Control (**EM**)__ ======
684 -
685 -The command EM0 disables use of the motion controller (acceleration, velocity / travel, deceleration). As such, the servo will move at full speed for all motion commands. The command EM1 enables use of the motion controller.
686 -
687 -Note that if the modifiers S or T are used, it is assumed that motion control is desired, and for that command, EM1 will be used.
688 -
689 -====== __A6. Configure LED Blinking (**CLB**)__ ======
690 -
691 -This command allows you to control when the RGB LED will blink the user set color (see [[16. RGB LED>>||anchor="H16.RGBLED28LED29"]] for details). This is very useful when visually seeing what the servo is doing. You can turn on or off blinking for various LSS status. The command requires that the servo be RESET. Here is the list and their associated value:
692 -
693 -(% style="width:195px" %)
694 -|(% style="width:134px" %)**Blink While:**|(% style="width:58px" %)**#**
695 -|(% style="width:134px" %)No blinking|(% style="width:58px" %)0
696 -|(% style="width:134px" %)Limp|(% style="width:58px" %)1
697 -|(% style="width:134px" %)Holding|(% style="width:58px" %)2
698 -|(% style="width:134px" %)Accelerating|(% style="width:58px" %)4
699 -|(% style="width:134px" %)Decelerating|(% style="width:58px" %)8
700 -|(% style="width:134px" %)Free|(% style="width:58px" %)16
701 -|(% style="width:134px" %)Travelling|(% style="width:58px" %)32
702 -|(% style="width:134px" %)Always blink|(% style="width:58px" %)63
703 -
704 -To set blinking, use CLB with the value of your choosing. To activate blinking in multiple status, simply add together the values of the corresponding status. See examples below:
705 -
706 -Ex: #5CLB0<cr> to turn off all blinking (LED always solid)
707 -Ex: #5CLB1<cr> only blink when limp (1)
708 -Ex: #5CLB2<cr> only blink when holding (2)
709 -Ex: #5CLB12<cr> only blink when accel or decel (accel 4 + decel 8 = 12)
710 -Ex: #5CLB48<cr> only blink when free or travel (free 16 + travel 32 = 48)
711 -Ex: #5CLB63<cr> blink in all status (1 + 2 + 4 + 8 + 16 + 32)
712 -
713 -RESETTING the servo is needed.
714 -
715 -====== __A7. Current Halt & Hold (**CH**)__ ======
716 -
717 -This modifier, released in firmware v367, can be added to the following actions: D; MD; WD; WR.
718 -
719 -Ex: #5D1423CH400<cr>
720 -
721 -This has servo with ID 5 move to 142.3 degrees but, should it detect a current of 400mA or higher before it reaches the desired position, will immediately halt and hold position.
722 -
723 -====== __A8. Current Limp (**CL**)__ ======
724 -
725 -This modifier, released in firmware v367, can be added to the following actions: D; MD; WD; WR.
726 -
727 -Ex: #5D1423CH400<cr>
728 -
729 -This has servo with ID 5 move to 142.3 degrees but, should it detect a current of 400mA or higher before it reaches the desired position, will immediately go limp.
730 -
731 -= RGB LED Patterns =
732 -
733 -The LED patterns below do not include those which are part of the button menu, which can be found here: [[LSS Button Menu>>doc:lynxmotion-smart-servo.lss-button-menu.WebHome]]
734 -
735 -[[image:LSS - LED Patterns.png]]
635 +Note that after the CONFIRM command is sent, the servo will automatically perform a RESET.
LSS - LED Patterns.png
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