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Ignore whitespace Rev 341 → Rev 342

/PIC Projects/PICX_16F1825_Stepper_Driver/STEPPER.c
0,0 → 1,90
#include "defines.h"
#include "STEPPER.h"
#include "OLED_SSD1306.h"
#include "ADC.h"
#include "TIMER.h"
 
static STEPPER_MICROSTEP currStep = STEP_1_1;
static uint8_t autoOn = 0;
 
void STEPPER_Set_Microstep(STEPPER_MICROSTEP step) {
#ifdef DVR8825
if (step == STEP_1_1) {
M0_LAT = 0;
M1_LAT = 0;
M2_LAT = 0;
} else if (step == STEP_1_2) {
M0_LAT = 1;
M1_LAT = 0;
M2_LAT = 0;
} else if (step == STEP_1_4) {
M0_LAT = 0;
M1_LAT = 1;
M2_LAT = 0;
} else if (step == STEP_1_8) {
M0_LAT = 1;
M1_LAT = 1;
M2_LAT = 0;
} else if (step == STEP_1_16) {
M0_LAT = 0;
M1_LAT = 0;
M2_LAT = 1;
} else if (step == STEP_1_32) {
M0_LAT = 1;
M1_LAT = 0;
M2_LAT = 1;
}
#endif
}
 
void STEPPER_Set_Next_Step() {
switch (currStep) {
case STEP_1_1:
currStep = STEP_1_2;
break;
case STEP_1_2:
currStep = STEP_1_4;
break;
case STEP_1_4:
currStep = STEP_1_8;
break;
case STEP_1_8:
currStep = STEP_1_16;
break;
case STEP_1_16:
currStep = STEP_1_32;
break;
case STEP_1_32:
default:
currStep = STEP_1_1;
break;
}
STEPPER_Set_Microstep(currStep);
}
 
STEPPER_MICROSTEP STEPPER_Get_Cur_Step(void) {
return currStep;
}
 
void STEPPER_Toggle_Auto() {
if (autoOn == 0) {
// Turn on automatic stepping
TIMER_2_Init(STEPPER_Step);
TIMER_2_Set_Delay((ADC_Read(POT_ADC_CHANNEL) >> 4) + 1);
TIMER_2_Start();
autoOn = 1;
} else {
// Turn off automatic stepping
TIMER_2_Stop();
autoOn = 0;
}
}
 
void STEPPER_Step() {
// Toggle step pin
STEP_LAT = 1;
__delay_us(2);
STEP_LAT = 0;
// Set the timer delay for the next step
TIMER_2_Set_Delay((ADC_Read(POT_ADC_CHANNEL) >> 4) + 1);
}