375 lines
12 KiB
C++
375 lines
12 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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//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[4] = {0, 0, 0, 0};
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//last homing stalled
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uint8_t tmc2130_LastHomingStalled = 0;
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uint8_t sg_homing_axis = 0xff;
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uint8_t sg_homing_delay = 0;
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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, bool extrapolate256 = 0, uint16_t microstep_resolution = 16);
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void tmc2130_wr_PWMCONF(uint8_t cs, uint8_t PWMautoScale = TMC2130_PWM_AUTO, uint8_t PWMfreq = TMC2130_PWM_FREQ, uint8_t PWMgrad = TMC2130_PWM_GRAD, uint8_t PWMampl = TMC2130_PWM_AMPL);
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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_txrx(uint8_t cs, uint8_t addr, uint32_t wval, uint32_t* rval);
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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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void tmc2130_init()
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{
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MYSERIAL.println("tmc2130_init");
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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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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, 0x00000004); //GCONF - bit 2 activate stealthChop
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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_PWMCONF(tmc2130_cs[i], TMC2130_PWM_AUTO_XY, TMC2130_PWM_FREQ_XY, TMC2130_PWM_GRAD_XY, TMC2130_PWM_AMPL_XY); //PWM_CONF //reset default=0x00050480
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tmc2130_wr_PWMCONF(tmc2130_cs[i]); //PWM_CONF //reset default=0x00050480
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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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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 1, 16);
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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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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, 0x00000004); //GCONF - bit 2 activate stealthChop
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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_PWMCONF(tmc2130_cs[i]); //PWM_CONF //reset default=0x00050480
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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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tmc2130_wr_CHOPCONF(tmc2130_cs[i], 1, 16);
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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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tmc2130_wr(tmc2130_cs[i], TMC2130_REG_GCONF, 0x00000004); //GCONF - bit 2 activate stealthChop
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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_CHOPCONF(tmc2130_cs[i], 1, 16);
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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 ((sg_homing_axis == X_AXIS) || (sg_homing_axis == Y_AXIS))
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{
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uint8_t cs = tmc2130_cs[sg_homing_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 < 10) // 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[sg_homing_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[sg_homing_axis] = false;
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}
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}
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else
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tmc2130_axis_stalled[sg_homing_axis] = false;
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return true;
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}
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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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return false;
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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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for(int i=0;i<4;i++)
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{
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uint32_t drv_status = 0;
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tmc2130_rd(cs[i], TMC2130_REG_DRV_STATUS, &drv_status);
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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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checktime = millis();
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}
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}
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void tmc2130_home_enter(uint8_t axis)
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{
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MYSERIAL.print("tmc2130_home_enter ");
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MYSERIAL.println((int)axis);
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uint8_t cs = tmc2130_cs[axis];
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sg_homing_axis = axis;
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sg_homing_delay = 0;
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tmc2130_axis_stalled[X_AXIS] = false;
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tmc2130_axis_stalled[Y_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)?TMC2130_SG_THRS_X:TMC2130_SG_THRS_Y) << 16);
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tmc2130_wr(cs, TMC2130_REG_TCOOLTHRS, TMC2130_TCOOLTHRS);
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}
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void tmc2130_home_exit()
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{
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MYSERIAL.println("tmc2130_home_exit");
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if ((sg_homing_axis == X_AXIS) || (sg_homing_axis == Y_AXIS))
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{
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// Configuration back to stealthChop
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tmc2130_wr(tmc2130_cs[sg_homing_axis], TMC2130_REG_GCONF, 0x00000004);
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sg_homing_axis = 0xff;
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}
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}
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extern 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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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, bool extrapolate256, uint16_t microstep_resolution)
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{
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uint8_t mres=0b0100;
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if(microstep_resolution == 256) mres = 0b0000;
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if(microstep_resolution == 128) mres = 0b0001;
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if(microstep_resolution == 64) mres = 0b0010;
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if(microstep_resolution == 32) mres = 0b0011;
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if(microstep_resolution == 16) mres = 0b0100;
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if(microstep_resolution == 8) mres = 0b0101;
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if(microstep_resolution == 4) mres = 0b0110;
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if(microstep_resolution == 2) mres = 0b0111;
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if(microstep_resolution == 1) mres = 0b1000;
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mres |= extrapolate256 << 4; //bit28 intpol
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//tmc2130_write(cs,0x6C,mres,0x01,0x00,0xD3);
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// tmc2130_write(cs,0x6C,mres,0x01,0x00,0xC3);
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tmc2130_wr(cs,TMC2130_REG_CHOPCONF,((uint32_t)mres << 24) | 0x0100C3);
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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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{
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tmc2130_wr(cs,0x70,((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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{
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tmc2130_wr(cs, TMC2130_REG_TPWMTHRS, val32);
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}
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void tmc2130_wr_THIGH(uint8_t cs, uint32_t val32)
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{
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tmc2130_wr(cs, TMC2130_REG_THIGH, val32);
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}
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uint8_t tmc2130_axis_by_cs(uint8_t cs)
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{
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switch (cs)
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{
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case X_TMC2130_CS: return 0;
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case Y_TMC2130_CS: return 1;
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case Z_TMC2130_CS: return 2;
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case E0_TMC2130_CS: return 3;
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}
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return -1;
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}
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uint8_t tmc2130_wr(uint8_t cs, uint8_t addr, uint32_t wval)
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{
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uint8_t stat = tmc2130_txrx(cs, addr | 0x80, wval, 0);
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#ifdef TMC2130_DEBUG_WR
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MYSERIAL.print("tmc2130_wr(");
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MYSERIAL.print((unsigned char)tmc2130_axis_by_cs(cs), DEC);
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MYSERIAL.print(", 0x");
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MYSERIAL.print((unsigned char)addr, HEX);
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MYSERIAL.print(", 0x");
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MYSERIAL.print((unsigned long)wval, HEX);
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MYSERIAL.print(")=0x");
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MYSERIAL.println((unsigned char)stat, HEX);
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#endif //TMC2130_DEBUG_WR
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return stat;
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}
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uint8_t tmc2130_rd(uint8_t cs, uint8_t addr, uint32_t* rval)
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{
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uint32_t val32 = 0;
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uint8_t stat = tmc2130_txrx(cs, addr, 0x00000000, &val32);
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if (rval != 0) *rval = val32;
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#ifdef TMC2130_DEBUG_RD
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MYSERIAL.print("tmc2130_rd(");
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MYSERIAL.print((unsigned char)tmc2130_axis_by_cs(cs), DEC);
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MYSERIAL.print(", 0x");
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MYSERIAL.print((unsigned char)addr, HEX);
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MYSERIAL.print(", 0x");
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MYSERIAL.print((unsigned long)val32, HEX);
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MYSERIAL.print(")=0x");
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MYSERIAL.println((unsigned char)stat, HEX);
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#endif //TMC2130_DEBUG_RD
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return stat;
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}
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uint8_t tmc2130_txrx(uint8_t cs, uint8_t addr, uint32_t wval, uint32_t* rval)
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{
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//datagram1 - request
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SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
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digitalWrite(cs, LOW);
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SPI.transfer(addr); // address
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SPI.transfer((wval >> 24) & 0xff); // MSB
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SPI.transfer((wval >> 16) & 0xff);
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SPI.transfer((wval >> 8) & 0xff);
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SPI.transfer(wval & 0xff); // LSB
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digitalWrite(cs, HIGH);
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SPI.endTransaction();
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//datagram2 - response
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SPI.beginTransaction(SPISettings(4000000, MSBFIRST, SPI_MODE3));
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digitalWrite(cs, LOW);
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uint8_t stat = SPI.transfer(0); // status
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uint32_t val32 = 0;
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val32 = SPI.transfer(0); // MSB
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val32 = (val32 << 8) | SPI.transfer(0);
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val32 = (val32 << 8) | SPI.transfer(0);
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val32 = (val32 << 8) | SPI.transfer(0); // LSB
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digitalWrite(cs, HIGH);
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SPI.endTransaction();
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if (rval != 0) *rval = val32;
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return stat;
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}
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#endif //HAVE_TMC2130_DRIVERS
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