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@ -33,7 +33,7 @@ |
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void HAL_timer_init(void) { |
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void HAL_timer_init(void) { |
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SBI(LPC_SC->PCONP, SBIT_TIMER0); // Power ON Timer 0
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SBI(LPC_SC->PCONP, SBIT_TIMER0); // Power ON Timer 0
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LPC_TIM0->PR = (HAL_TIMER_RATE) / (HAL_STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
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LPC_TIM0->PR = (HAL_TIMER_RATE) / (STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
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SBI(LPC_SC->PCONP, SBIT_TIMER1); // Power ON Timer 1
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SBI(LPC_SC->PCONP, SBIT_TIMER1); // Power ON Timer 1
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LPC_TIM1->PR = (HAL_TIMER_RATE) / 1000000 - 1; |
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LPC_TIM1->PR = (HAL_TIMER_RATE) / 1000000 - 1; |
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@ -43,7 +43,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) { |
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switch (timer_num) { |
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switch (timer_num) { |
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case 0: |
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case 0: |
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LPC_TIM0->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
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LPC_TIM0->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
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LPC_TIM0->MR0 = uint32_t(HAL_STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
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LPC_TIM0->MR0 = uint32_t(STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
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LPC_TIM0->TCR = _BV(SBIT_CNTEN); // Counter Enable
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LPC_TIM0->TCR = _BV(SBIT_CNTEN); // Counter Enable
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NVIC_SetPriority(TIMER0_IRQn, NVIC_EncodePriority(0, 1, 0)); |
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NVIC_SetPriority(TIMER0_IRQn, NVIC_EncodePriority(0, 1, 0)); |
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@ -52,7 +52,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) { |
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case 1: |
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case 1: |
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LPC_TIM1->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
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LPC_TIM1->MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
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LPC_TIM1->MR0 = uint32_t(HAL_TEMP_TIMER_RATE) / frequency; |
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LPC_TIM1->MR0 = uint32_t(TEMP_TIMER_RATE) / frequency; |
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LPC_TIM1->TCR = _BV(SBIT_CNTEN); // Counter Enable
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LPC_TIM1->TCR = _BV(SBIT_CNTEN); // Counter Enable
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NVIC_SetPriority(TIMER1_IRQn, NVIC_EncodePriority(0, 2, 0)); |
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NVIC_SetPriority(TIMER1_IRQn, NVIC_EncodePriority(0, 2, 0)); |
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