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[2.0.x] HAL timer set/get count => set/get compare (#9581)

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To reduce confusion over the current timer count vs. the compare (aka "top") value. Caution: this re-uses the function name, changing its meaning.
This commit is contained in:
Scott Lahteine
2018-02-10 20:42:00 -06:00
committed by GitHub
parent 7a4029d1b1
commit 03d790451f
10 changed files with 65 additions and 65 deletions
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38
Marlin/src/module/stepper.cpp
View File

@ -371,7 +371,7 @@ void Stepper::isr() {
#if DISABLED(LIN_ADVANCE)
#ifdef CPU_32_BIT
HAL_timer_set_count(STEP_TIMER_NUM, ocr_val);
HAL_timer_set_compare(STEP_TIMER_NUM, ocr_val);
#else
NOLESS(OCR1A, TCNT1 + 16);
#endif
@ -560,7 +560,7 @@ void Stepper::isr() {
* 10µs = 160 or 200 cycles.
*/
#if EXTRA_CYCLES_XYZE > 20
hal_timer_t pulse_start = HAL_timer_get_current_count(PULSE_TIMER_NUM);
hal_timer_t pulse_start = HAL_timer_get_count(PULSE_TIMER_NUM);
#endif
#if HAS_X_STEP
@ -592,8 +592,8 @@ void Stepper::isr() {
// For minimum pulse time wait before stopping pulses
#if EXTRA_CYCLES_XYZE > 20
while (EXTRA_CYCLES_XYZE > (uint32_t)(HAL_timer_get_current_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
pulse_start = HAL_timer_get_current_count(PULSE_TIMER_NUM);
while (EXTRA_CYCLES_XYZE > (uint32_t)(HAL_timer_get_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
pulse_start = HAL_timer_get_count(PULSE_TIMER_NUM);
#elif EXTRA_CYCLES_XYZE > 0
DELAY_NOPS(EXTRA_CYCLES_XYZE);
#endif
@ -633,7 +633,7 @@ void Stepper::isr() {
// For minimum pulse time wait after stopping pulses also
#if EXTRA_CYCLES_XYZE > 20
if (i) while (EXTRA_CYCLES_XYZE > (uint32_t)(HAL_timer_get_current_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
if (i) while (EXTRA_CYCLES_XYZE > (uint32_t)(HAL_timer_get_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
#elif EXTRA_CYCLES_XYZE > 0
if (i) DELAY_NOPS(EXTRA_CYCLES_XYZE);
#endif
@ -750,9 +750,9 @@ void Stepper::isr() {
#if DISABLED(LIN_ADVANCE)
#ifdef CPU_32_BIT
// Make sure stepper interrupt does not monopolise CPU by adjusting count to give about 8 us room
hal_timer_t stepper_timer_count = HAL_timer_get_count(STEP_TIMER_NUM),
stepper_timer_current_count = HAL_timer_get_current_count(STEP_TIMER_NUM) + 8 * HAL_TICKS_PER_US;
HAL_timer_set_count(STEP_TIMER_NUM, max(stepper_timer_count, stepper_timer_current_count));
hal_timer_t stepper_timer_count = HAL_timer_get_compare(STEP_TIMER_NUM),
stepper_timer_current_count = HAL_timer_get_count(STEP_TIMER_NUM) + 8 * HAL_TICKS_PER_US;
HAL_timer_set_compare(STEP_TIMER_NUM, max(stepper_timer_count, stepper_timer_current_count));
#else
NOLESS(OCR1A, TCNT1 + 16);
#endif
@ -814,7 +814,7 @@ void Stepper::isr() {
for (uint8_t i = step_loops; i--;) {
#if EXTRA_CYCLES_E > 20
hal_timer_t pulse_start = HAL_timer_get_current_count(PULSE_TIMER_NUM);
hal_timer_t pulse_start = HAL_timer_get_count(PULSE_TIMER_NUM);
#endif
START_E_PULSE(0);
@ -833,8 +833,8 @@ void Stepper::isr() {
// For minimum pulse time wait before stopping pulses
#if EXTRA_CYCLES_E > 20
while (EXTRA_CYCLES_E > (hal_timer_t)(HAL_timer_get_current_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
pulse_start = HAL_timer_get_current_count(PULSE_TIMER_NUM);
while (EXTRA_CYCLES_E > (hal_timer_t)(HAL_timer_get_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
pulse_start = HAL_timer_get_count(PULSE_TIMER_NUM);
#elif EXTRA_CYCLES_E > 0
DELAY_NOPS(EXTRA_CYCLES_E);
#endif
@ -855,7 +855,7 @@ void Stepper::isr() {
// For minimum pulse time wait before looping
#if EXTRA_CYCLES_E > 20
if (i) while (EXTRA_CYCLES_E > (hal_timer_t)(HAL_timer_get_current_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
if (i) while (EXTRA_CYCLES_E > (hal_timer_t)(HAL_timer_get_count(PULSE_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
#elif EXTRA_CYCLES_E > 0
if (i) DELAY_NOPS(EXTRA_CYCLES_E);
#endif
@ -878,7 +878,7 @@ void Stepper::isr() {
// Is the next advance ISR scheduled before the next main ISR?
if (nextAdvanceISR <= nextMainISR) {
// Set up the next interrupt
HAL_timer_set_count(STEP_TIMER_NUM, nextAdvanceISR);
HAL_timer_set_compare(STEP_TIMER_NUM, nextAdvanceISR);
// New interval for the next main ISR
if (nextMainISR) nextMainISR -= nextAdvanceISR;
// Will call Stepper::advance_isr on the next interrupt
@ -886,7 +886,7 @@ void Stepper::isr() {
}
else {
// The next main ISR comes first
HAL_timer_set_count(STEP_TIMER_NUM, nextMainISR);
HAL_timer_set_compare(STEP_TIMER_NUM, nextMainISR);
// New interval for the next advance ISR, if any
if (nextAdvanceISR && nextAdvanceISR != ADV_NEVER)
nextAdvanceISR -= nextMainISR;
@ -897,9 +897,9 @@ void Stepper::isr() {
// Don't run the ISR faster than possible
#ifdef CPU_32_BIT
// Make sure stepper interrupt does not monopolise CPU by adjusting count to give about 8 us room
uint32_t stepper_timer_count = HAL_timer_get_count(STEP_TIMER_NUM),
stepper_timer_current_count = HAL_timer_get_current_count(STEP_TIMER_NUM) + 8 * HAL_TICKS_PER_US;
HAL_timer_set_count(STEP_TIMER_NUM, max(stepper_timer_count, stepper_timer_current_count));
uint32_t stepper_timer_count = HAL_timer_get_compare(STEP_TIMER_NUM),
stepper_timer_current_count = HAL_timer_get_count(STEP_TIMER_NUM) + 8 * HAL_TICKS_PER_US;
HAL_timer_set_compare(STEP_TIMER_NUM, max(stepper_timer_count, stepper_timer_current_count));
#else
NOLESS(OCR1A, TCNT1 + 16);
#endif
@ -1304,8 +1304,8 @@ void Stepper::report_positions() {
#define _APPLY_DIR(AXIS, INVERT) AXIS ##_APPLY_DIR(INVERT, true)
#if EXTRA_CYCLES_BABYSTEP > 20
#define _SAVE_START const hal_timer_t pulse_start = HAL_timer_get_current_count(STEP_TIMER_NUM)
#define _PULSE_WAIT while (EXTRA_CYCLES_BABYSTEP > (uint32_t)(HAL_timer_get_current_count(STEP_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
#define _SAVE_START const hal_timer_t pulse_start = HAL_timer_get_count(STEP_TIMER_NUM)
#define _PULSE_WAIT while (EXTRA_CYCLES_BABYSTEP > (uint32_t)(HAL_timer_get_count(STEP_TIMER_NUM) - pulse_start) * (PULSE_TIMER_PRESCALE)) { /* nada */ }
#else
#define _SAVE_START NOOP
#if EXTRA_CYCLES_BABYSTEP > 0

2
Marlin/src/module/stepper.h
View File

@ -108,7 +108,7 @@ class Stepper {
// i.e., the current amount of pressure applied
// to the spring (=filament).
#else
#define _NEXT_ISR(T) HAL_timer_set_count(STEP_TIMER_NUM, T);
#define _NEXT_ISR(T) HAL_timer_set_compare(STEP_TIMER_NUM, T);
#endif // LIN_ADVANCE
static long acceleration_time, deceleration_time;