Hi, I'm a student working on my masters degree project, and also a newbie to progr

Struggling with parameters about tmc2130stepper HOT 2 CLOSED

margaret-n-m commented on September 4, 2024

Struggling with parameters

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Comments (2)

teemuatlut commented on September 4, 2024

The basic prerequisites for the driver to start operating on the software side are

off time > 0
run current > 0

The Simple example makes a call to the begin method which then pushes the default register values into the driver.
Digging through the code you can see the boot time defaults here: https://github.com/teemuatlut/TMC2130Stepper/blob/master/src/TMC2130Stepper.h#L414

// Shadow registers
uint32_t  GCONF_sr      = 0x00000000UL,
          IHOLD_IRUN_sr = 0x00000000UL,
          TSTEP_sr      = 0x00000000UL,
          TPWMTHRS_sr   = 0x00000000UL,
          TCOOLTHRS_sr  = 0x00000000UL,
          THIGH_sr      = 0x00000000UL,
          XDIRECT_sr    = 0x00000000UL,
          VDCMIN_sr     = 0x00000000UL,
          MSLUT0_sr     = 0xAAAAB554UL,
          MSLUT1_sr     = 0x4A9554AAUL,
          MSLUT2_sr     = 0x24492929UL,
          MSLUT3_sr     = 0x10104222UL,
          MSLUT4_sr     = 0xFBFFFFFFUL,
          MSLUT5_sr     = 0xB5BB777DUL,
          MSLUT6_sr     = 0x49295556UL,
          MSLUT7_sr     = 0x00404222UL,
          MSLUTSEL_sr   = 0xFFFF8056UL,
          CHOPCONF_sr   = 0x00000000UL,
          COOLCONF_sr   = 0x00000000UL,
          DCCTRL_sr     = 0x00000000UL,
          PWMCONF_sr    = 0x00050480UL,
          tmp_sr        = 0x00000000UL,
          TPOWERDOWN_sr = 0x00000000UL,
          ENCM_CTRL_sr  = 0x00000000UL,
          GSTAT_sr      = 0x00000000UL,
          MSLUTSTART_sr = 0x00F70000UL;

After that an off time value and a typical blank time setting is set.
Finally the example sets the run current.

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margaret-n-m commented on September 4, 2024

Thank You very much! I analysed Your settings carefully and implemented them into my code - and the motor finally moved. It seems everything is working as it should be. Thank You again!
Margaret

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