502 lines
17 KiB
C++
502 lines
17 KiB
C++
#include "Marlin.h"
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#ifdef HAVE_TMC2130_DRIVERS
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#include "tmc2130.h"
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#include <SPI.h>
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//externals for debuging
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extern float current_position[4];
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extern void st_get_position_xy(long &x, long &y);
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//chipselect pins
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uint8_t tmc2130_cs[4] = { X_TMC2130_CS, Y_TMC2130_CS, Z_TMC2130_CS, E0_TMC2130_CS };
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//mode
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uint8_t tmc2130_mode = TMC2130_MODE_NORMAL;
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//holding currents
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uint8_t tmc2130_current_h[4] = TMC2130_CURRENTS_H;
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//running currents
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uint8_t tmc2130_current_r[4] = TMC2130_CURRENTS_R;
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//axis stalled flags
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uint8_t tmc2130_axis_stalled[2] = {0, 0};
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//last homing stalled
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uint8_t tmc2130_LastHomingStalled = 0;
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//pwm_ampl
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uint8_t tmc2130_pwm_ampl[2] = {TMC2130_PWM_AMPL_XY, TMC2130_PWM_AMPL_XY};
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//pwm_grad
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uint8_t tmc2130_pwm_grad[2] = {TMC2130_PWM_GRAD_XY, TMC2130_PWM_GRAD_XY};
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//pwm_auto
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uint8_t tmc2130_pwm_auto[2] = {TMC2130_PWM_AUTO_XY, TMC2130_PWM_AUTO_XY};
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//pwm_freq
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uint8_t tmc2130_pwm_freq[2] = {TMC2130_PWM_FREQ_XY, TMC2130_PWM_FREQ_XY};
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uint8_t sg_homing_axes_mask = 0x00;
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uint8_t sg_homing_delay = 0;
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uint8_t sg_thrs_x = TMC2130_SG_THRS_X;
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uint8_t sg_thrs_y = TMC2130_SG_THRS_Y;
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bool skip_debug_msg = false;
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//TMC2130 registers
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#define TMC2130_REG_GCONF 0x00 // 17 bits
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#define TMC2130_REG_GSTAT 0x01 // 3 bits
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#define TMC2130_REG_IOIN 0x04 // 8+8 bits
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#define TMC2130_REG_IHOLD_IRUN 0x10 // 5+5+4 bits
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#define TMC2130_REG_TPOWERDOWN 0x11 // 8 bits
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#define TMC2130_REG_TSTEP 0x12 // 20 bits
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#define TMC2130_REG_TPWMTHRS 0x13 // 20 bits
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#define TMC2130_REG_TCOOLTHRS 0x14 // 20 bits
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#define TMC2130_REG_THIGH 0x15 // 20 bits
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#define TMC2130_REG_XDIRECT 0x2d // 32 bits
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#define TMC2130_REG_VDCMIN 0x33 // 23 bits
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#define TMC2130_REG_MSLUT0 0x60 // 32 bits
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#define TMC2130_REG_MSLUT1 0x61 // 32 bits
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#define TMC2130_REG_MSLUT2 0x62 // 32 bits
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#define TMC2130_REG_MSLUT3 0x63 // 32 bits
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#define TMC2130_REG_MSLUT4 0x64 // 32 bits
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#define TMC2130_REG_MSLUT5 0x65 // 32 bits
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#define TMC2130_REG_MSLUT6 0x66 // 32 bits
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#define TMC2130_REG_MSLUT7 0x67 // 32 bits
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#define TMC2130_REG_MSLUTSEL 0x68 // 32 bits
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#define TMC2130_REG_MSLUTSTART 0x69 // 8+8 bits
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#define TMC2130_REG_MSCNT 0x6a // 10 bits
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#define TMC2130_REG_MSCURACT 0x6b // 9+9 bits
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#define TMC2130_REG_CHOPCONF 0x6c // 32 bits
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#define TMC2130_REG_COOLCONF 0x6d // 25 bits
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#define TMC2130_REG_DCCTRL 0x6e // 24 bits
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#define TMC2130_REG_DRV_STATUS 0x6f // 32 bits
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#define TMC2130_REG_PWMCONF 0x70 // 22 bits
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#define TMC2130_REG_PWM_SCALE 0x71 // 8 bits
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#define TMC2130_REG_ENCM_CTRL 0x72 // 2 bits
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#define TMC2130_REG_LOST_STEPS 0x73 // 20 bits
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uint16_t tmc2130_rd_TSTEP(uint8_t cs);
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uint16_t tmc2130_rd_DRV_STATUS(uint8_t chipselect);
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void tmc2130_wr_CHOPCONF(uint8_t cs, uint8_t toff = 3, uint8_t hstrt = 4, uint8_t hend = 1, uint8_t fd3 = 0, uint8_t disfdcc = 0, uint8_t rndtf = 0, uint8_t chm = 0, uint8_t tbl = 2, uint8_t vsense = 0, uint8_t vhighfs = 0, uint8_t vhighchm = 0, uint8_t sync = 0, uint8_t mres = 0b0100, uint8_t intpol = 1, uint8_t dedge = 0, uint8_t diss2g = 0);
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void tmc2130_wr_PWMCONF(uint8_t cs, uint8_t pwm_ampl, uint8_t pwm_grad, uint8_t pwm_freq, uint8_t pwm_auto, uint8_t pwm_symm, uint8_t freewheel);
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void tmc2130_wr_TPWMTHRS(uint8_t cs, uint32_t val32);
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void tmc2130_wr_THIGH(uint8_t cs, uint32_t val32);
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uint8_t tmc2130_axis_by_cs(uint8_t cs);
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uint8_t tmc2130_mres(uint16_t microstep_resolution);
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uint8_t tmc2130_wr(uint8_t cs, uint8_t addr, uint32_t wval);
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uint8_t tmc2130_rd(uint8_t cs, uint8_t addr, uint32_t* rval);
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uint8_t tmc2130_txrx(uint8_t cs, uint8_t addr, uint32_t wval, uint32_t* rval);
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void tmc2130_init()
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{
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MYSERIAL.print("tmc2130_init mode=");
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MYSERIAL.println(tmc2130_mode, DEC);
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WRITE(X_TMC2130_CS, HIGH);
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WRITE(Y_TMC2130_CS, HIGH);
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WRITE(Z_TMC2130_CS, HIGH);
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WRITE(E0_TMC2130_CS, HIGH);
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SET_OUTPUT(X_TMC2130_CS);
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SET_OUTPUT(Y_TMC2130_CS);
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SET_OUTPUT(Z_TMC2130_CS);
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SET_OUTPUT(E0_TMC2130_CS);
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SPI.begin();
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for (int i = 0; i < 2; i++) // X Y axes
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{
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uint8_t mres = tmc2130_mres(TMC2130_USTEPS_XY);
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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 3, 5, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, mres, TMC2130_INTPOL_XY, 0, 0);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((tmc2130_current_r[i] & 0x1f) << 8) | (tmc2130_current_h[i] & 0x1f));
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_TPOWERDOWN, 0x00000000);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, (tmc2130_mode == TMC2130_MODE_SILENT)?0x00000004:0x00000000);
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tmc2130_wr_PWMCONF(tmc2130_cs[i], tmc2130_pwm_ampl[i], tmc2130_pwm_grad[i], tmc2130_pwm_freq[i], tmc2130_pwm_auto[i], 0, 0);
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tmc2130_wr_TPWMTHRS(tmc2130_cs[i], TMC2130_TPWMTHRS);
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//tmc2130_wr_THIGH(tmc2130_cs[i], TMC2130_THIGH);
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}
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for (int i = 2; i < 3; i++) // Z axis
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{
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uint8_t mres = tmc2130_mres(TMC2130_USTEPS_Z);
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if (tmc2130_current_r[i] <= 31)
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{
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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 3, 5, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, mres, TMC2130_INTPOL_Z, 0, 0);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((tmc2130_current_r[i] & 0x1f) << 8) | (tmc2130_current_h[i] & 0x1f));
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}
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else
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{
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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 3, 5, 1, 0, 0, 0, 0, 2, 0, 0, 0, 0, mres, TMC2130_INTPOL_Z, 0, 0);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | (((tmc2130_current_r[i] >> 1) & 0x1f) << 8) | ((tmc2130_current_h[i] >> 1) & 0x1f));
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}
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_TPOWERDOWN, 0x00000000);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, 0x00000000);
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}
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for (int i = 3; i < 4; i++) // E axis
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{
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uint8_t mres = tmc2130_mres(TMC2130_USTEPS_E);
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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 3, 5, 1, 0, 0, 0, 0, 2, 1, 0, 0, 0, mres, TMC2130_INTPOL_E, 0, 0);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((tmc2130_current_r[i] & 0x1f) << 8) | (tmc2130_current_h[i] & 0x1f));
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_TPOWERDOWN, 0x00000000);
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, 0x00000000);
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}
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}
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bool tmc2130_update_sg()
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{
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#if (defined(TMC2130_SG_HOMING) && defined(TMC2130_SG_HOMING_SW))
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if (sg_homing_axes_mask == 0) return false;
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#ifdef TMC2130_DEBUG
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MYSERIAL.print("tmc2130_update_sg mask=0x");
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MYSERIAL.println((int)sg_homing_axes_mask, 16);
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#endif //TMC2130_DEBUG
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for (uint8_t axis = X_AXIS; axis <= Y_AXIS; axis++) //only X and Y axes
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{
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uint8_t mask = (X_AXIS_MASK << axis);
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if (sg_homing_axes_mask & mask)
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{
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if (!tmc2130_axis_stalled[axis])
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{
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uint8_t cs = tmc2130_cs[axis];
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uint16_t tstep = tmc2130_rd_TSTEP(cs);
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if (tstep < TMC2130_TCOOLTHRS)
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{
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if(sg_homing_delay < TMC2130_SG_DELAY) // wait for a few tens microsteps until stallGuard is used //todo: read out microsteps directly, instead of delay counter
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sg_homing_delay++;
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else
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{
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uint16_t sg = tmc2130_rd_DRV_STATUS(cs) & 0x3ff;
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if (sg==0)
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{
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tmc2130_axis_stalled[axis] = true;
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tmc2130_LastHomingStalled = true;
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}
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// else
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// tmc2130_axis_stalled[axis] = false;
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}
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}
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// else
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// tmc2130_axis_stalled[axis] = false;
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}
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}
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}
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return true;
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// else
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// {
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// tmc2130_axis_stalled[X_AXIS] = false;
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// tmc2130_axis_stalled[Y_AXIS] = false;
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// }
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#endif
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}
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void tmc2130_check_overtemp()
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{
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const static char TMC_OVERTEMP_MSG[] PROGMEM = "TMC DRIVER OVERTEMP ";
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uint8_t cs[4] = { X_TMC2130_CS, Y_TMC2130_CS, Z_TMC2130_CS, E0_TMC2130_CS };
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static uint32_t checktime = 0;
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//drivers_disabled[0] = 1; //TEST
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if( millis() - checktime > 1000 )
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{
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//SERIAL_ECHOLNPGM("drv_status:");
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for(int i=0;i<4;i++)
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{
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uint32_t drv_status = 0;
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skip_debug_msg = true;
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tmc2130_rd(cs[i], TMC2130_REG_DRV_STATUS, &drv_status);
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//MYSERIAL.print(drv_status);
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//SERIAL_ECHOPGM(" ");
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if (drv_status & ((uint32_t)1<<26))
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{ // BIT 26 - over temp prewarning ~120C (+-20C)
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SERIAL_ERRORRPGM(TMC_OVERTEMP_MSG);
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SERIAL_ECHOLN(i);
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for(int i=0; i < 4; i++)
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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_CHOPCONF, 0x00010000);
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kill(TMC_OVERTEMP_MSG);
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}
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}
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//SERIAL_ECHOLNPGM("");
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checktime = millis();
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}
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}
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void tmc2130_home_enter(uint8_t axes_mask)
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{
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#ifdef TMC2130_DEBUG
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MYSERIAL.print("tmc2130_home_enter mask=0x");
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MYSERIAL.println((int)axes_mask, 16);
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#endif //TMC2130_DEBUG
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#ifdef TMC2130_SG_HOMING
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for (uint8_t axis = X_AXIS; axis <= Y_AXIS; axis++) //only X and Y axes
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{
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uint8_t mask = (X_AXIS_MASK << axis);
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if (axes_mask & mask)
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{
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uint8_t cs = tmc2130_cs[axis];
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sg_homing_axes_mask |= mask;
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sg_homing_delay = 0;
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tmc2130_axis_stalled[axis] = false;
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//Configuration to spreadCycle
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tmc2130_wr(cs, TMC2130_REG_GCONF, 0x00000000);
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tmc2130_wr(cs, TMC2130_REG_COOLCONF, ((axis == X_AXIS)?sg_thrs_x:sg_thrs_y) << 16);
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tmc2130_wr(cs, TMC2130_REG_TCOOLTHRS, TMC2130_TCOOLTHRS);
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#ifndef TMC2130_SG_HOMING_SW
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tmc2130_wr(cs, TMC2130_REG_GCONF, 0x00000080); //stallguard output to DIAG0
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#endif //TMC2130_SG_HOMING_SW
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}
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}
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#endif //TMC2130_SG_HOMING
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}
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void tmc2130_home_exit()
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{
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#ifdef TMC2130_DEBUG
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MYSERIAL.print("tmc2130_home_exit mask=0x");
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MYSERIAL.println((int)sg_homing_axes_mask, 16);
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#endif //TMC2130_DEBUG
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#ifdef TMC2130_SG_HOMING
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if (sg_homing_axes_mask)
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{
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for (uint8_t axis = X_AXIS; axis <= Y_AXIS; axis++) //only X and Y axes
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{
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uint8_t mask = (X_AXIS_MASK << axis);
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if (sg_homing_axes_mask & mask)
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{
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if (tmc2130_mode == TMC2130_MODE_SILENT)
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tmc2130_wr(tmc2130_cs[axis], TMC2130_REG_GCONF, 0x00000004); // Configuration back to stealthChop
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else
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tmc2130_wr(tmc2130_cs[axis], TMC2130_REG_GCONF, 0x00000000);
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}
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}
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sg_homing_axes_mask = 0x00;
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}
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#endif
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}
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uint8_t tmc2130_didLastHomingStall()
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{
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uint8_t ret = tmc2130_LastHomingStalled;
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tmc2130_LastHomingStalled = false;
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return ret;
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}
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void tmc2130_set_current_h(uint8_t axis, uint8_t current)
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{
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MYSERIAL.print("tmc2130_set_current_h ");
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MYSERIAL.print((int)axis);
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MYSERIAL.print(" ");
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MYSERIAL.println((int)current);
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// if (current > 15) current = 15; //current>15 is unsafe
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tmc2130_current_h[axis] = current;
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tmc2130_wr(tmc2130_cs[axis], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((tmc2130_current_r[axis] & 0x1f) << 8) | (tmc2130_current_h[axis] & 0x1f));
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}
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void tmc2130_set_current_r(uint8_t axis, uint8_t current)
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{
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MYSERIAL.print("tmc2130_set_current_r ");
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MYSERIAL.print((int)axis);
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MYSERIAL.print(" ");
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MYSERIAL.println((int)current);
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// if (current > 15) current = 15; //current>15 is unsafe
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tmc2130_current_r[axis] = current;
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tmc2130_wr(tmc2130_cs[axis], TMC2130_REG_IHOLD_IRUN, 0x000f0000 | ((tmc2130_current_r[axis] & 0x1f) << 8) | (tmc2130_current_h[axis] & 0x1f));
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}
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void tmc2130_print_currents()
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{
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MYSERIAL.println("tmc2130_print_currents");
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MYSERIAL.println("\tH\rR");
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MYSERIAL.print("X\t");
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MYSERIAL.print((int)tmc2130_current_h[0]);
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MYSERIAL.print("\t");
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MYSERIAL.println((int)tmc2130_current_r[0]);
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MYSERIAL.print("Y\t");
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MYSERIAL.print((int)tmc2130_current_h[1]);
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MYSERIAL.print("\t");
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MYSERIAL.println((int)tmc2130_current_r[1]);
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MYSERIAL.print("Z\t");
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MYSERIAL.print((int)tmc2130_current_h[2]);
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MYSERIAL.print("\t");
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MYSERIAL.println((int)tmc2130_current_r[2]);
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MYSERIAL.print("E\t");
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MYSERIAL.print((int)tmc2130_current_h[3]);
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MYSERIAL.print("\t");
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MYSERIAL.println((int)tmc2130_current_r[3]);
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}
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void tmc2130_set_pwm_ampl(uint8_t axis, uint8_t pwm_ampl)
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{
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MYSERIAL.print("tmc2130_set_pwm_ampl ");
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MYSERIAL.print((int)axis);
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MYSERIAL.print(" ");
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MYSERIAL.println((int)pwm_ampl);
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tmc2130_pwm_ampl[axis] = pwm_ampl;
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if (((axis == 0) || (axis == 1)) && (tmc2130_mode == TMC2130_MODE_SILENT))
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tmc2130_wr_PWMCONF(tmc2130_cs[axis], tmc2130_pwm_ampl[axis], tmc2130_pwm_grad[axis], tmc2130_pwm_freq[axis], tmc2130_pwm_auto[axis], 0, 0);
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}
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void tmc2130_set_pwm_grad(uint8_t axis, uint8_t pwm_grad)
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{
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MYSERIAL.print("tmc2130_set_pwm_grad ");
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MYSERIAL.print((int)axis);
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MYSERIAL.print(" ");
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MYSERIAL.println((int)pwm_grad);
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tmc2130_pwm_grad[axis] = pwm_grad;
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if (((axis == 0) || (axis == 1)) && (tmc2130_mode == TMC2130_MODE_SILENT))
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tmc2130_wr_PWMCONF(tmc2130_cs[axis], tmc2130_pwm_ampl[axis], tmc2130_pwm_grad[axis], tmc2130_pwm_freq[axis], tmc2130_pwm_auto[axis], 0, 0);
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}
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uint16_t tmc2130_rd_TSTEP(uint8_t cs)
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{
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uint32_t val32 = 0;
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tmc2130_rd(cs, TMC2130_REG_TSTEP, &val32);
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if (val32 & 0x000f0000) return 0xffff;
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return val32 & 0xffff;
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}
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uint16_t tmc2130_rd_DRV_STATUS(uint8_t cs)
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{
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uint32_t val32 = 0;
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tmc2130_rd(cs, TMC2130_REG_DRV_STATUS, &val32);
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return val32;
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}
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void tmc2130_wr_CHOPCONF(uint8_t cs, uint8_t toff, uint8_t hstrt, uint8_t hend, uint8_t fd3, uint8_t disfdcc, uint8_t rndtf, uint8_t chm, uint8_t tbl, uint8_t vsense, uint8_t vhighfs, uint8_t vhighchm, uint8_t sync, uint8_t mres, uint8_t intpol, uint8_t dedge, uint8_t diss2g)
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{
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uint32_t val = 0;
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val |= (uint32_t)(toff & 15);
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val |= (uint32_t)(hstrt & 7) << 4;
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val |= (uint32_t)(hend & 15) << 7;
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val |= (uint32_t)(fd3 & 1) << 11;
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val |= (uint32_t)(disfdcc & 1) << 12;
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val |= (uint32_t)(rndtf & 1) << 13;
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val |= (uint32_t)(chm & 1) << 14;
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val |= (uint32_t)(tbl & 3) << 15;
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val |= (uint32_t)(vsense & 1) << 17;
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val |= (uint32_t)(vhighfs & 1) << 18;
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val |= (uint32_t)(vhighchm & 1) << 19;
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val |= (uint32_t)(sync & 15) << 20;
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val |= (uint32_t)(mres & 15) << 24;
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val |= (uint32_t)(intpol & 1) << 28;
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val |= (uint32_t)(dedge & 1) << 29;
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val |= (uint32_t)(diss2g & 1) << 30;
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tmc2130_wr(cs, TMC2130_REG_CHOPCONF, val);
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}
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//void tmc2130_wr_PWMCONF(uint8_t cs, uint8_t PWMautoScale, uint8_t PWMfreq, uint8_t PWMgrad, uint8_t PWMampl)
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void tmc2130_wr_PWMCONF(uint8_t cs, uint8_t pwm_ampl, uint8_t pwm_grad, uint8_t pwm_freq, uint8_t pwm_auto, uint8_t pwm_symm, uint8_t freewheel)
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{
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uint32_t val = 0;
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val |= (uint32_t)(pwm_ampl & 255);
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val |= (uint32_t)(pwm_grad & 255) << 8;
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val |= (uint32_t)(pwm_freq & 3) << 16;
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val |= (uint32_t)(pwm_auto & 1) << 18;
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val |= (uint32_t)(pwm_symm & 1) << 19;
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val |= (uint32_t)(freewheel & 3) << 20;
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tmc2130_wr(cs, TMC2130_REG_PWMCONF, val);
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// tmc2130_wr(cs, TMC2130_REG_PWMCONF, ((uint32_t)(PWMautoScale+PWMfreq) << 16) | ((uint32_t)PWMgrad << 8) | PWMampl); // TMC LJ -> For better readability changed to 0x00 and added PWMautoScale and PWMfreq
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|
}
|
|
|
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void tmc2130_wr_TPWMTHRS(uint8_t cs, uint32_t val32)
|
|
{
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|
tmc2130_wr(cs, TMC2130_REG_TPWMTHRS, val32);
|
|
}
|
|
|
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void tmc2130_wr_THIGH(uint8_t cs, uint32_t val32)
|
|
{
|
|
tmc2130_wr(cs, TMC2130_REG_THIGH, val32);
|
|
}
|
|
|
|
|
|
uint8_t tmc2130_axis_by_cs(uint8_t cs)
|
|
{
|
|
switch (cs)
|
|
{
|
|
case X_TMC2130_CS: return 0;
|
|
case Y_TMC2130_CS: return 1;
|
|
case Z_TMC2130_CS: return 2;
|
|
case E0_TMC2130_CS: return 3;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
uint8_t tmc2130_mres(uint16_t microstep_resolution)
|
|
{
|
|
if (microstep_resolution == 256) return 0b0000;
|
|
if (microstep_resolution == 128) return 0b0001;
|
|
if (microstep_resolution == 64) return 0b0010;
|
|
if (microstep_resolution == 32) return 0b0011;
|
|
if (microstep_resolution == 16) return 0b0100;
|
|
if (microstep_resolution == 8) return 0b0101;
|
|
if (microstep_resolution == 4) return 0b0110;
|
|
if (microstep_resolution == 2) return 0b0111;
|
|
if (microstep_resolution == 1) return 0b1000;
|
|
return 0;
|
|
}
|
|
|
|
uint8_t tmc2130_wr(uint8_t cs, uint8_t addr, uint32_t wval)
|
|
{
|
|
uint8_t stat = tmc2130_txrx(cs, addr | 0x80, wval, 0);
|
|
#ifdef TMC2130_DEBUG_WR
|
|
MYSERIAL.print("tmc2130_wr(");
|
|
MYSERIAL.print((unsigned char)tmc2130_axis_by_cs(cs), DEC);
|
|
MYSERIAL.print(", 0x");
|
|
MYSERIAL.print((unsigned char)addr, HEX);
|
|
MYSERIAL.print(", 0x");
|
|
MYSERIAL.print((unsigned long)wval, HEX);
|
|
MYSERIAL.print(")=0x");
|
|
MYSERIAL.println((unsigned char)stat, HEX);
|
|
#endif //TMC2130_DEBUG_WR
|
|
return stat;
|
|
}
|
|
|
|
uint8_t tmc2130_rd(uint8_t cs, uint8_t addr, uint32_t* rval)
|
|
{
|
|
uint32_t val32 = 0;
|
|
uint8_t stat = tmc2130_txrx(cs, addr, 0x00000000, &val32);
|
|
if (rval != 0) *rval = val32;
|
|
#ifdef TMC2130_DEBUG_RD
|
|
if (!skip_debug_msg)
|
|
{
|
|
MYSERIAL.print("tmc2130_rd(");
|
|
MYSERIAL.print((unsigned char)tmc2130_axis_by_cs(cs), DEC);
|
|
MYSERIAL.print(", 0x");
|
|
MYSERIAL.print((unsigned char)addr, HEX);
|
|
MYSERIAL.print(", 0x");
|
|
MYSERIAL.print((unsigned long)val32, HEX);
|
|
MYSERIAL.print(")=0x");
|
|
MYSERIAL.println((unsigned char)stat, HEX);
|
|
}
|
|
skip_debug_msg = false;
|
|
#endif //TMC2130_DEBUG_RD
|
|
return stat;
|
|
}
|
|
|
|
uint8_t tmc2130_txrx(uint8_t cs, uint8_t addr, uint32_t wval, uint32_t* rval)
|
|
{
|
|
//datagram1 - request
|
|
SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
|
|
digitalWrite(cs, LOW);
|
|
SPI.transfer(addr); // address
|
|
SPI.transfer((wval >> 24) & 0xff); // MSB
|
|
SPI.transfer((wval >> 16) & 0xff);
|
|
SPI.transfer((wval >> 8) & 0xff);
|
|
SPI.transfer(wval & 0xff); // LSB
|
|
digitalWrite(cs, HIGH);
|
|
SPI.endTransaction();
|
|
//datagram2 - response
|
|
SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
|
|
digitalWrite(cs, LOW);
|
|
uint8_t stat = SPI.transfer(0); // status
|
|
uint32_t val32 = 0;
|
|
val32 = SPI.transfer(0); // MSB
|
|
val32 = (val32 << 8) | SPI.transfer(0);
|
|
val32 = (val32 << 8) | SPI.transfer(0);
|
|
val32 = (val32 << 8) | SPI.transfer(0); // LSB
|
|
digitalWrite(cs, HIGH);
|
|
SPI.endTransaction();
|
|
if (rval != 0) *rval = val32;
|
|
return stat;
|
|
}
|
|
|
|
#endif //HAVE_TMC2130_DRIVERS
|