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HAL_*_TIMER_RATE => *_TIMER_RATE

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This commit is contained in:
Scott Lahteine
2018-06-12 16:32:22 -05:00
parent 928e50e724
commit 4dbec774b5
12 changed files with 25 additions and 25 deletions
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6
Marlin/src/HAL/HAL_LPC1768/HAL_timers.cpp
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@ -33,7 +33,7 @@
void HAL_timer_init(void) {
SBI(LPC_SC->PCONP, SBIT_TIMER0); // Power ON Timer 0
LPC_TIM0->PR = (HAL_TIMER_RATE) / (HAL_STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
LPC_TIM0->PR = (HAL_TIMER_RATE) / (STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
SBI(LPC_SC->PCONP, SBIT_TIMER1); // Power ON Timer 1
LPC_TIM1->PR = (HAL_TIMER_RATE) / 1000000 - 1;
@ -43,7 +43,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
switch (timer_num) {
case 0:
LPC_TIM0->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
LPC_TIM0->MR0 = uint32_t(HAL_STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
LPC_TIM0->MR0 = uint32_t(STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
LPC_TIM0->TCR = _BV(SBIT_CNTEN); // Counter Enable
NVIC_SetPriority(TIMER0_IRQn, NVIC_EncodePriority(0, 1, 0));
@ -52,7 +52,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
case 1:
LPC_TIM1->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
LPC_TIM1->MR0 = uint32_t(HAL_TEMP_TIMER_RATE) / frequency;
LPC_TIM1->MR0 = uint32_t(TEMP_TIMER_RATE) / frequency;
LPC_TIM1->TCR = _BV(SBIT_CNTEN); // Counter Enable
NVIC_SetPriority(TIMER1_IRQn, NVIC_EncodePriority(0, 2, 0));

6
Marlin/src/HAL/HAL_LPC1768/HAL_timers.h
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@ -72,13 +72,13 @@ typedef uint32_t hal_timer_t;
#define PWM_TIMER_NUM 3 // Timer Index for PWM
#define HAL_TIMER_RATE ((SystemCoreClock) / 4) // frequency of timers peripherals
#define HAL_STEPPER_TIMER_RATE HAL_TIMER_RATE // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
#define HAL_TICKS_PER_US ((HAL_STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
#define STEPPER_TIMER_RATE HAL_TIMER_RATE // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
#define HAL_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
#define STEPPER_TIMER_PRESCALE (CYCLES_PER_MICROSECOND / HAL_TICKS_PER_US)
#define STEP_TIMER_MIN_INTERVAL 8 // minimum time in µs between stepper interrupts
#define HAL_TEMP_TIMER_RATE 1000000
#define TEMP_TIMER_RATE 1000000
#define TEMP_TIMER_FREQUENCY 1000 // temperature interrupt frequency
#define PULSE_TIMER_PRESCALE STEPPER_TIMER_PRESCALE