Document set current command.
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Firmware
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@ -7444,11 +7444,12 @@ Sigma_Exit:
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break;
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#endif
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//! ### M907 - Set digital trimpot motor current using axis codes
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//! ### M907 - Set digital trimpot motor current in mA using axis codes
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// ---------------------------------------------------------------
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case 907:
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{
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#ifdef TMC2130
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//! See tmc2130_cur2val() for translation to 0 .. 63 range
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for (int i = 0; i < NUM_AXIS; i++)
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if(code_seen(axis_codes[i]))
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{
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@ -1,3 +1,5 @@
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//! @file
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#include "Marlin.h"
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#ifdef TMC2130
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@ -1009,6 +1011,79 @@ bool tmc2130_home_calibrate(uint8_t axis)
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return true;
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}
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//! @brief Translate current to tmc2130 vsense and IHOLD or IRUN
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//! @param cur current in mA
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//! @return 0 .. 63
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//! @n most significant bit is CHOPCONF vsense bit (sense resistor voltage based current scaling)
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//! @n rest is to be used in IRUN or IHOLD register
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//!
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//! | mA | trinamic register | note |
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//! | --- | --- | --- |
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//! | 0 | 0 | doesn't mean current off, lowest current is 1/32 current with vsense low range |
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//! | 30 | 1 | |
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//! | 40 | 2 | |
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//! | 60 | 3 | |
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//! | 90 | 4 | |
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//! | 100 | 5 | |
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//! | 120 | 6 | |
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//! | 130 | 7 | |
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//! | 150 | 8 | |
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//! | 180 | 9 | |
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//! | 190 | 10 | |
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//! | 210 | 11 | |
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//! | 230 | 12 | |
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//! | 240 | 13 | |
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//! | 250 | 13 | |
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//! | 260 | 14 | |
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//! | 280 | 15 | |
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//! | 300 | 16 | |
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//! | 320 | 17 | |
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//! | 340 | 18 | |
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//! | 350 | 19 | |
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//! | 370 | 20 | |
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//! | 390 | 21 | |
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//! | 410 | 22 | |
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//! | 430 | 23 | |
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//! | 450 | 24 | |
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//! | 460 | 25 | |
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//! | 480 | 26 | |
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//! | 500 | 27 | |
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//! | 520 | 28 | |
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//! | 535 | 29 | |
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//! | N/D | 30 | extruder default |
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//! | 540 | 33 | |
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//! | 560 | 34 | |
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//! | 580 | 35 | |
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//! | 590 | 36 | farm mode extruder default |
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//! | 610 | 37 | |
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//! | 630 | 38 | |
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//! | 640 | 39 | |
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//! | 660 | 40 | |
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//! | 670 | 41 | |
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//! | 690 | 42 | |
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//! | 710 | 43 | |
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//! | 720 | 44 | |
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//! | 730 | 45 | |
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//! | 760 | 46 | |
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//! | 770 | 47 | |
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//! | 790 | 48 | |
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//! | 810 | 49 | |
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//! | 820 | 50 | |
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//! | 840 | 51 | |
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//! | 850 | 52 | |
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//! | 870 | 53 | |
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//! | 890 | 54 | |
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//! | 900 | 55 | |
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//! | 920 | 56 | |
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//! | 940 | 57 | |
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//! | 950 | 58 | |
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//! | 970 | 59 | |
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//! | 980 | 60 | |
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//! | 1000 | 61 | |
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//! | 1020 | 62 | |
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//! | 1029 | 63 | |
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uint8_t tmc2130_cur2val(float cur)
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{
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if (cur < 0) cur = 0; //limit min
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