parent
55e8caa054
commit
62a9abc235
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@ -26,7 +26,7 @@ enum class Mode : uint8_t {
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enum class Pull : uint8_t {
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none = 0,
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up,
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down, //not available on the AVR
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down, // not available on the AVR
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};
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enum class Level : uint8_t {
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@ -18,7 +18,7 @@ bool TMC2130::Init(const MotorParams ¶ms, const MotorCurrents ¤ts, Mot
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gpio::Init(params.sgPin, gpio::GPIO_InitTypeDef(gpio::Mode::input, gpio::Pull::up));
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gpio::Init(params.stepPin, gpio::GPIO_InitTypeDef(gpio::Mode::output, gpio::Level::low));
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///check for compatible tmc driver (IOIN version field)
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/// check for compatible tmc driver (IOIN version field)
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uint32_t IOIN = ReadRegister(params, Registers::IOIN);
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// if the version is incorrect or a bit always set to 1 is suddenly 0
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@ -26,44 +26,44 @@ bool TMC2130::Init(const MotorParams ¶ms, const MotorCurrents ¤ts, Mot
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if (((IOIN >> 24U) != 0x11) | !(IOIN & (1U << 6U)))
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return false; // @@TODO return some kind of failure
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///clear reset_flag as we are (re)initializing
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/// clear reset_flag as we are (re)initializing
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errorFlags.reset_flag = false;
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// clear all error flags if possible ny reading GSTAT
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ReadRegister(params, Registers::GSTAT);
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///apply chopper parameters
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const uint32_t chopconf = (uint32_t)(TOFF_DEFAULT & TOFF_MASK) << 0U //toff
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| (uint32_t)(5U & 0x07U) << 4U //hstrt
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| (uint32_t)(1U & 0x0FU) << 7U //hend
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| (uint32_t)(2U & 0x03U) << 15U //tbl
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| (uint32_t)(currents.vSense & 0x01U) << 17U //vsense
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| (uint32_t)(params.mRes & 0x0FU) << 24U //mres
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| (uint32_t)(1U & 0x01) << 28U //intpol (always true)
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| (uint32_t)(1U & 0x01) << 29U; //dedge (always true)
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/// apply chopper parameters
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const uint32_t chopconf = (uint32_t)(TOFF_DEFAULT & TOFF_MASK) << 0U // toff
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| (uint32_t)(5U & 0x07U) << 4U // hstrt
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| (uint32_t)(1U & 0x0FU) << 7U // hend
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| (uint32_t)(2U & 0x03U) << 15U // tbl
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| (uint32_t)(currents.vSense & 0x01U) << 17U // vsense
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| (uint32_t)(params.mRes & 0x0FU) << 24U // mres
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| (uint32_t)(1U & 0x01) << 28U // intpol (always true)
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| (uint32_t)(1U & 0x01) << 29U; // dedge (always true)
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WriteRegister(params, Registers::CHOPCONF, chopconf);
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///apply currents
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/// apply currents
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SetCurrents(params, currents);
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///instant powerdown ramp
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/// instant powerdown ramp
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WriteRegister(params, Registers::TPOWERDOWN, 0);
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///Stallguard parameters
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/// Stallguard parameters
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SetSGTHRS(params);
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WriteRegister(params, Registers::TCOOLTHRS, config::tmc2130_coolStepThreshold);
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///Write stealth mode config and setup diag0 output
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constexpr uint32_t gconf = (uint32_t)(1U & 0x01U) << 2U //en_pwm_mode - always enabled since we can control it's effect with TPWMTHRS (0=only stealthchop, 0xFFFFF=only spreadcycle)
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| (uint32_t)(1U & 0x01U) << 7U; //diag0_stall - diag0 is open collector => active low with external pullups
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/// Write stealth mode config and setup diag0 output
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constexpr uint32_t gconf = (uint32_t)(1U & 0x01U) << 2U // en_pwm_mode - always enabled since we can control it's effect with TPWMTHRS (0=only stealthchop, 0xFFFFF=only spreadcycle)
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| (uint32_t)(1U & 0x01U) << 7U; // diag0_stall - diag0 is open collector => active low with external pullups
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WriteRegister(params, Registers::GCONF, gconf);
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///stealthChop parameters
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/// stealthChop parameters
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constexpr uint32_t pwmconf = ((uint32_t)(config::tmc2130_PWM_AMPL) << 0U)
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| ((uint32_t)(config::tmc2130_PWM_GRAD) << 8U)
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| ((uint32_t)(config::tmc2130_PWM_FREQ) << 16U)
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| ((uint32_t)(config::tmc2130_PWM_AUTOSCALE & 0x01U) << 18U)
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| ((uint32_t)(config::tmc2130_freewheel & 0x03U) << 20U); //special freewheeling mode only active in stealthchop when IHOLD=0 and CS=0 (actual current)
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| ((uint32_t)(config::tmc2130_freewheel & 0x03U) << 20U); // special freewheeling mode only active in stealthchop when IHOLD=0 and CS=0 (actual current)
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WriteRegister(params, Registers::PWMCONF, pwmconf);
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/// TPWMTHRS: switching velocity between stealthChop and spreadCycle.
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@ -76,7 +76,7 @@ bool TMC2130::Init(const MotorParams ¶ms, const MotorCurrents ¤ts, Mot
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}
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void TMC2130::SetMode(const MotorParams ¶ms, MotorMode mode) {
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///0xFFFF0 is used as a "Normal" mode threshold since stealthchop will be used at standstill.
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/// 0xFFFF0 is used as a "Normal" mode threshold since stealthchop will be used at standstill.
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WriteRegister(params, Registers::TPWMTHRS, (mode == Stealth) ? 70 : 0xFFFF0); // @@TODO should be configurable
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}
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@ -90,9 +90,9 @@ void TMC2130::SetBridgeOutput(const MotorParams ¶ms, bool bOn) {
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}
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void TMC2130::SetCurrents(const MotorParams ¶ms, const MotorCurrents ¤ts) {
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uint32_t ihold_irun = (uint32_t)(currents.iHold & 0x1F) << 0 //ihold
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| (uint32_t)(currents.iRun & 0x1F) << 8 //irun
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| (uint32_t)(15 & 0x0F) << 16; //IHOLDDELAY
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uint32_t ihold_irun = (uint32_t)(currents.iHold & 0x1F) << 0 // ihold
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| (uint32_t)(currents.iRun & 0x1F) << 8 // irun
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| (uint32_t)(15 & 0x0F) << 16; // IHOLDDELAY
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WriteRegister(params, Registers::IHOLD_IRUN, ihold_irun);
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}
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@ -111,7 +111,7 @@ void TMC2130::SetEnabled(const MotorParams ¶ms, bool enabled) {
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bool TMC2130::CheckForErrors(const MotorParams ¶ms) {
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if (!initialized)
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return false;
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uint32_t GSTAT = ReadRegister(params, Registers::GSTAT);
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uint32_t DRV_STATUS = ReadRegister(params, Registers::DRV_STATUS);
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errorFlags.reset_flag |= !!(GSTAT & (1U << 0U));
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@ -120,7 +120,7 @@ bool TMC2130::CheckForErrors(const MotorParams ¶ms) {
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errorFlags.otpw = !!(DRV_STATUS & (1UL << 26U));
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errorFlags.ot = !!(DRV_STATUS & (1UL << 25U));
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return GSTAT || errorFlags.reset_flag; //any bit in gstat is an error
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return GSTAT || errorFlags.reset_flag; // any bit in gstat is an error
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}
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uint32_t TMC2130::ReadRegister(const MotorParams ¶ms, Registers reg) {
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@ -93,11 +93,11 @@ bool Selector::Step() {
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if (state != TMCFailed) {
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CheckTMC();
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}
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switch (state) {
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case Moving:
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PerformMove();
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//dbg_logic_P(PSTR("Moving Selector"));
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// dbg_logic_P(PSTR("Moving Selector"));
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return false;
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case PlannedHome:
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// A testing workaround for presumed electrical reasons why the Idler and Selector cannot perform reliable homing together.
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