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Delay driving spindle_enable_pin until we get its polarity setting #136

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Delay driving spindle_enable_pin until we get its polarity setting #136

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4 changes: 3 additions & 1 deletion TinyG2/hardware.h
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,9 @@ static OutputPin<kGRBL_FeedHoldPinNumber> grbl_feedhold_pin;
static OutputPin<kGRBL_CycleStartPinNumber> grbl_cycle_start_pin;

static OutputPin<kGRBL_CommonEnablePinNumber> motor_common_enable_pin;
static OutputPin<kSpindle_EnablePinNumber> spindle_enable_pin;

//Delay driving spindle output enable until we get the polarity setting
static OutputPin<kSpindle_EnablePinNumber> spindle_enable_pin(kNoInit);
static OutputPin<kSpindle_DirPinNumber> spindle_dir_pin;
static PWMOutputPin<kSpindle_PwmPinNumber> spindle_pwm_pin;
static PWMOutputPin<kSpindle_Pwm2PinNumber> secondary_pwm_pin;
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2 changes: 2 additions & 0 deletions TinyG2/main.cpp
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Expand Up @@ -159,6 +159,8 @@ void application_init_startup(void)
canonical_machine_reset();
spindle_init(); // should be after PWM and canonical machine inits and config_init()
spindle_reset();
// We delayed driving spindle enable until we know the enable polarity
spindle_enable_pin.init();
// MOVED: report the system is ready is now in xio
}

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5 changes: 4 additions & 1 deletion TinyG2/motate/utility/SamPins.h
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Expand Up @@ -70,6 +70,9 @@ namespace Motate {

// For use on PWM pins only!
kPWMPinInverted = 1<<7,

// Delay calling init()
kNoInit = 0xffff,
};

enum PinInterruptOptions {
Expand Down Expand Up @@ -201,7 +204,7 @@ namespace Motate {
template<int8_t pinNum>
struct OutputPin : Pin<pinNum> {
OutputPin() : Pin<pinNum>(kOutput) {};
OutputPin(const PinOptions options) : Pin<pinNum>(kOutput, options) {};
OutputPin(const PinOptions options) { if(options!=kNoInit) Pin<pinNum>::init(kOutput, options, true);};
void init(const PinOptions options = kNormal) {Pin<pinNum>::init(kOutput, options);};
uint32_t get() {
return Pin<pinNum>::getOutputValue();
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