Changes for page LSS Communication Protocol
Last modified by Eric Nantel on 2024/11/21 09:43
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... ... @@ -131,8 +131,8 @@ 131 131 |= #|=Description|= Action|= Query|= Config|=Session|= RC|= Serial|= Units|=(% style="width: 510px;" %) Notes|=(% style="width: 113px;" %)Default Value 132 132 | 1|[[**L**imp>>||anchor="H1.Limp28L29"]]| L| | | | | ✓|none|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 133 133 | 2|[[**H**alt & **H**old>>||anchor="H2.Halt26Hold28H29"]]| H| | | | | ✓|none|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 134 -| 3|[[**T**imed move>>||anchor="H3.Timedmove28T29"]]| T| | | | | ✓|milliseconds|(% style="width:510px" %) Modifier only for {P, D, MD}|(% style="text-align:center; width:113px" %) 135 -| 4|[[**S**peed>>||anchor="H4.Speed28S29"]]| S| | | | | ✓|microseconds per second|(% style="width:510px" %) Modifier only {P}|(% style="text-align:center; width:113px" %) 134 +| 3|[[**T**imed move>>||anchor="H3.Timedmove28T29modifier"]]| T| | | | | ✓|milliseconds|(% style="width:510px" %) Modifier only for {P, D, MD}|(% style="text-align:center; width:113px" %) 135 +| 4|[[**S**peed>>||anchor="H4.Speed28S29modifier"]]| S| | | | | ✓|microseconds per second|(% style="width:510px" %) Modifier only {P}|(% style="text-align:center; width:113px" %) 136 136 | 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" %) 137 137 | 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" %)((( 138 138 0 ... ... @@ -143,7 +143,7 @@ 143 143 | 8|[[Position in **P**ulse>>||anchor="H8.PositioninPulse28P29"]]| P| QP| | | | ✓|microseconds|(% style="width:510px" %)((( 144 144 Inherited from SSC-32 serial protocol 145 145 )))|(% style="text-align:center; width:113px" %) 146 -| 9|[[Position in **D**egrees>>||anchor="H9.PositioninDegrees28D29"]]| D| QD| | | | ✓|tenths of degrees |(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 146 +| 9|[[Position in **D**egrees>>||anchor="H9.PositioninDegrees28D29"]]| D| QD / QDT| | | | ✓|tenths of degrees |(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 147 147 | 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" %) 148 148 | 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" %) 149 149 | 12|[[Max **S**peed in **D**egrees>>||anchor="H12.SpeedinDegrees28SD29"]]| SD| QSD|CSD|✓| ✓| ✓|tenths of degrees per second |(% style="width:510px" %)((( ... ... @@ -164,21 +164,20 @@ 164 164 Limp 165 165 ))) 166 166 | 19|[[**F**irst Position (**D**eg)>>||anchor="H21.First2InitialPosition28Degrees29"]]| | QFD|CFD|X| ✓| ✓|none |(% style="width:510px" %)CFD overwrites CFP and vice-versa|(% style="text-align:center; width:113px" %)Limp 167 -| 20|[[**T**arget (**D**eg) **P**osition>>||anchor="H22.QueryTargetPositioninDegrees28QDT29"]]| | QDT| | | | ✓|tenths of degrees (ex 325 = 32.5 degrees)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 168 -| 21|[[**M**odel **S**tring>>||anchor="H23.QueryModelString28QMS29"]]| | QMS| | | | |none (string)|(% style="width:510px" %) Returns the type of servo (ST, HS, HT)|(% style="text-align:center; width:113px" %) 169 -| 22|[[Serial **N**umber>>||anchor="H24.QuerySerialNumber28QN29"]]| | QN| | | | |none (integer)|(% style="width:510px" %) Returns the unique serial number for that servo|(% style="text-align:center; width:113px" %) 170 -| 23|[[**F**irmware version>>||anchor="H25.QueryFirmware28QF29"]]| | QF| | | | |none (integer)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 171 -| 24|[[**Q**uery (gen. status)>>||anchor="H26.QueryStatus28Q29"]]| | Q| | | | ✓|none (integer from 1 to 8)|(% style="width:510px" %) See command description for details|(% style="text-align:center; width:113px" %) 172 -| 25|[[**V**oltage>>||anchor="H27.QueryVoltage28QV29"]]| | QV| | | | ✓|millivolts (ex 5936 = 5936mV = 5.936V)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 173 -| 26|[[**T**emperature>>||anchor="H28.QueryTemperature28QT29"]]| | QT| | | | ✓|tenths of degrees Celsius|(% style="width:510px" %)Max temp before error: 85°C (servo goes limp)|(% style="text-align:center; width:113px" %) 174 -| 27|[[**C**urrent>>||anchor="H29.QueryCurrent28QC29"]]| | QC| | | | ✓|milliamps (ex 200 = 0.2A)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 175 -| 28|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]] - Position| | |CRC1|✓| | ✓|none|(% style="width:510px" %)((( 167 +| 20|[[**M**odel **S**tring>>||anchor="H23.QueryModelString28QMS29"]]| | QMS| | | | |none (string)|(% style="width:510px" %) Returns the type of servo (ST, HS, HT)|(% style="text-align:center; width:113px" %) 168 +| 21|[[Serial **N**umber>>||anchor="H24.QuerySerialNumber28QN29"]]| | QN| | | | |none (integer)|(% style="width:510px" %) Returns the unique serial number for that servo|(% style="text-align:center; width:113px" %) 169 +| 22|[[**F**irmware version>>||anchor="H25.QueryFirmware28QF29"]]| | QF| | | | |none (integer)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 170 +| 23|[[**Q**uery (gen. status)>>||anchor="H26.QueryStatus28Q29"]]| | Q| | | | ✓|none (integer from 1 to 8)|(% style="width:510px" %) See command description for details|(% style="text-align:center; width:113px" %) 171 +| 24|[[**V**oltage>>||anchor="H27.QueryVoltage28QV29"]]| | QV| | | | ✓|millivolts (ex 5936 = 5936mV = 5.936V)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 172 +| 25|[[**T**emperature>>||anchor="H28.QueryTemperature28QT29"]]| | QT| | | | ✓|tenths of degrees Celsius|(% style="width:510px" %)Max temp before error: 85°C (servo goes limp)|(% style="text-align:center; width:113px" %) 173 +| 26|[[**C**urrent>>||anchor="H29.QueryCurrent28QC29"]]| | QC| | | | ✓|milliamps (ex 200 = 0.2A)|(% style="width:510px" %) |(% style="text-align:center; width:113px" %) 174 +| 27|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]] - Position| | |CRC1|✓| | ✓|none|(% style="width:510px" %)((( 176 176 Change to RC position mode. To revert to smart mode, use the button menu. 177 177 )))|(% style="text-align:center; width:113px" %)Serial 178 -| 2 9|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]] - Wheel| | |CRC2|✓| | ✓| |(% style="width:510px" %)Change to RC wheel mode. To revert to smart mode, use the button menu.|(% style="text-align:center; width:113px" %)Serial179 -| 30|[[**RESET**>>||anchor="H31.RESET"]]| | | | | | ✓|none|(% style="width:510px" %)Soft reset. See command for details.|(% style="text-align:center; width:113px" %)180 -| 3 1|[[**DEFAULT**>>||anchor="H32.DEFAULTA026CONFIRM"]]| | | | | |✓|none|(% style="width:510px" %)Revert to firmware default values. See command for details|(% style="text-align:center; width:113px" %)181 -| 3 2|[[**UPDATE**>>||anchor="H33.UPDATEA026CONFIRM"]]| | | | | |✓|none|(% style="width:510px" %)Update firmware. See command for details.|(% style="text-align:center; width:113px" %)177 +| 28|[[**RC** Mode>>||anchor="H30.RCMode28CRC29"]] - Wheel| | |CRC2|✓| | ✓| |(% style="width:510px" %)Change to RC wheel mode. To revert to smart mode, use the button menu.|(% style="text-align:center; width:113px" %)Serial 178 +| 29|[[**RESET**>>||anchor="H31.RESET"]]| | | | | | ✓|none|(% style="width:510px" %)Soft reset. See command for details.|(% style="text-align:center; width:113px" %) 179 +| 30|[[**DEFAULT**>>||anchor="H32.DEFAULTA026CONFIRM"]]| | | | | |✓|none|(% style="width:510px" %)Revert to firmware default values. See command for details|(% style="text-align:center; width:113px" %) 180 +| 31|[[**UPDATE**>>||anchor="H33.UPDATEA026CONFIRM"]]| | | | | |✓|none|(% style="width:510px" %)Update firmware. See command for details.|(% style="text-align:center; width:113px" %) 182 182 183 183 == Advanced == 184 184 ... ... @@ -303,6 +303,13 @@ 303 303 304 304 This means the servo is located at 13.2 degrees. 305 305 305 +(% class="wikigeneratedid" id="H22.QueryTargetPositioninDegrees28QDT29" %) 306 +Query Target Position in Degrees (**QDT**) 307 + 308 +Ex: #5QDT<cr> might return *5QDT6783<cr> 309 + 310 +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>). 311 + 306 306 ====== __10. Wheel Mode in Degrees (**WD**)__ ====== 307 307 308 308 Ex: #5WD900<cr> ... ... @@ -395,8 +395,28 @@ 395 395 396 396 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. 397 397 398 -====== __15. IdentificationNumber(**ID**#)__ ======404 +====== __15. Gyre Rotation Direction (**G**)__ ====== 399 399 406 +"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). 407 + 408 +Ex: #5G-1<cr> 409 + 410 +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. 411 + 412 +Query Gyre Direction (**QG**) 413 + 414 +Ex: #5QG<cr> might return *5QG-1<cr> 415 + 416 +The value returned above means the servo is in a counter-clockwise gyration. 417 + 418 +Configure Gyre (**CG**) 419 + 420 +Ex: #5CG-1<cr> 421 + 422 +This changes the gyre direction as described above and also writes to EEPROM. 423 + 424 +====== __16. Identification Number (**ID** #)__ ====== 425 + 400 400 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). 401 401 402 402 Query Identification (**QID**) ... ... @@ -411,7 +411,7 @@ 411 411 412 412 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. 413 413 414 -====== __1 6. Baud Rate(B)__ ======440 +====== __17. Baud Rate__ ====== 415 415 416 416 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 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 9600. The baud rates are currently restricted to those above. 417 417 ... ... @@ -429,26 +429,6 @@ 429 429 430 430 Sending this command will change the baud rate associated with servo ID 5 to 9600 bits per second. 431 431 432 -====== __17. Gyre Rotation Direction (**G**)__ ====== 433 - 434 -"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). 435 - 436 -Ex: #5G-1<cr> 437 - 438 -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. 439 - 440 -Query Gyre Direction (**QG**) 441 - 442 -Ex: #5QG<cr> might return *5QG-1<cr> 443 - 444 -The value returned above means the servo is in a counter-clockwise gyration. 445 - 446 -Configure Gyre (**CG**) 447 - 448 -Ex: #5CG-1<cr> 449 - 450 -This changes the gyre direction as described above and also writes to EEPROM. 451 - 452 452 ====== __18. First Position (Pulse) (**FP**)__ ====== 453 453 454 454 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. FP and FD are different in that FP is used for RC mode only, whereas FD is used for smart mode only. ... ... @@ -463,7 +463,7 @@ 463 463 464 464 Ex: #5CP1550<cr> 465 465 466 -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). 472 +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 (Ex. #5CFP<cr>) results in the servo remaining limp upon power up (i.e. disabled). 467 467 468 468 ====== __19. First / Initial Position (Degrees) (**FD**)__ ====== 469 469 ... ... @@ -479,39 +479,27 @@ 479 479 480 480 Ex: #5CD64<cr> 481 481 482 -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. 488 +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. 483 483 484 -====== __2 2. QueryTargetPositionin Degrees(**QDT**)__ ======490 +====== __20. Query Model String (**QMS**)__ ====== 485 485 486 -Ex: #5QDT<cr> might return *5QDT6783<cr> 487 - 488 -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>). 489 - 490 -====== __23. Query Model String (**QMS**)__ ====== 491 - 492 492 Ex: #5QMS<cr> might return *5QMSLSS-HS1cr> 493 493 494 494 This reply means the servo model is LSS-HS1, meaning a high speed servo, first revision. 495 495 496 -====== __2 3b. QueryModel (**QM**)__ ======496 +====== __241. Query Serial Number (**QN**)__ ====== 497 497 498 -Ex: #5QM<cr> might return *5QM68702699520cr> 499 - 500 -This reply means the servo model is 0xFFF000000 or 100, meaning a high speed servo, first revision. 501 - 502 -====== __24. Query Serial Number (**QN**)__ ====== 503 - 504 504 Ex: #5QN<cr> might return *5QN~_~_<cr> 505 505 506 506 The number in the response is the servo's serial number which is set and cannot be changed. 507 507 508 -====== __2 5. Query Firmware (**QF**)__ ======502 +====== __22. Query Firmware (**QF**)__ ====== 509 509 510 510 Ex: #5QF<cr> might return *5QF11<cr> 511 511 512 512 The integer in the reply represents the firmware version with one decimal, in this example being 1.1 513 513 514 -====== __2 6. Query Status (**Q**)__ ======508 +====== __23. Query Status (**Q**)__ ====== 515 515 516 516 Ex: #5Q<cr> might return *5Q6<cr>, which indicates the motor is holding a position. 517 517 ... ... @@ -528,25 +528,25 @@ 528 528 |ex: *5Q9<cr>|Stuck|Motor cannot perform request movement at current speed setting 529 529 |ex: *5Q10<cr>|Blocked|Similar to stuck, but the motor is at maximum duty and still cannot move (i.e.: stalled) 530 530 531 -====== __2 7. Query Voltage (**QV**)__ ======525 +====== __24. Query Voltage (**QV**)__ ====== 532 532 533 533 Ex: #5QV<cr> might return *5QV11200<cr> 534 534 535 535 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). 536 536 537 -====== __2 8. Query Temperature (**QT**)__ ======531 +====== __25. Query Temperature (**QT**)__ ====== 538 538 539 539 Ex: #5QT<cr> might return *5QT564<cr> 540 540 541 541 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. 542 542 543 -====== __2 9. Query Current (**QC**)__ ======537 +====== __26. Query Current (**QC**)__ ====== 544 544 545 545 Ex: #5QC<cr> might return *5QC140<cr> 546 546 547 547 The units are in milliamps, so in the example above, the servo is consuming 140mA, or 0.14A. 548 548 549 -====== __ 30. RC Mode (**CRC**)__ ======543 +====== __27 / 28. RC Mode (**CRC**)__ ====== 550 550 551 551 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. 552 552 ... ... @@ -558,13 +558,13 @@ 558 558 559 559 EX: #5CRC<cr> 560 560 561 -====== __ 31. RESET__ ======555 +====== __29. **RESET**__ ====== 562 562 563 563 Ex: #5RESET<cr> or #5RS<cr> 564 564 565 565 This command does a "soft reset" (no power cycle required) and reverts all commands to those stored in EEPROM (i.e. configuration commands). 566 566 567 -====== __3 2. DEFAULT & CONFIRM__ ======561 +====== __30. **DEFAULT** & CONFIRM__ ====== 568 568 569 569 Ex: #5DEFAULT<cr> 570 570 ... ... @@ -576,7 +576,7 @@ 576 576 577 577 Note that after the CONFIRM command is sent, the servo will automatically perform a RESET. 578 578 579 -====== __3 3. UPDATE & CONFIRM__ ======573 +====== __31. **UPDATE** & CONFIRM__ ====== 580 580 581 581 Ex: #5UPDATE<cr> 582 582