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PWM output calculations dynamic based on clock speed

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This commit is contained in:
blckmn 2017-06-28 21:59:42 +10:00
parent 14f82e2a63
commit b9ebf8f4fd
11 changed files with 117 additions and 139 deletions
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9
src/main/drivers/timer.h
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@ -134,6 +134,8 @@ typedef enum {
#define HARDWARE_TIMER_DEFINITION_COUNT 14
#endif
#define MHZ_TO_HZ(x) (x * 1000000)
extern const timerHardware_t timerHardware[];
extern const timerDef_t timerDefinitions[];
@ -155,7 +157,7 @@ typedef enum {
TYPE_TIMER
} channelType_t;
void timerConfigure(const timerHardware_t *timHw, uint16_t period, uint8_t mhz); // This interface should be replaced.
void timerConfigure(const timerHardware_t *timHw, uint16_t period, uint32_t hz); // This interface should be replaced.
void timerChConfigIC(const timerHardware_t *timHw, bool polarityRising, unsigned inputFilterSamples);
void timerChConfigICDual(const timerHardware_t* timHw, bool polarityRising, unsigned inputFilterSamples);
@ -183,7 +185,7 @@ void timerForceOverflow(TIM_TypeDef *tim);
uint8_t timerClockDivisor(TIM_TypeDef *tim);
uint32_t timerClock(TIM_TypeDef *tim);
void configTimeBase(TIM_TypeDef *tim, uint16_t period, uint8_t mhz); // TODO - just for migration
void configTimeBase(TIM_TypeDef *tim, uint16_t period, uint32_t hz); // TODO - just for migration
rccPeriphTag_t timerRCC(TIM_TypeDef *tim);
uint8_t timerInputIrq(TIM_TypeDef *tim);
@ -200,5 +202,6 @@ void timerOCPreloadConfig(TIM_TypeDef *tim, uint8_t channel, uint16_t preload);
volatile timCCR_t *timerCCR(TIM_TypeDef *tim, uint8_t channel);
uint16_t timerDmaSource(uint8_t channel);
uint16_t timerGetPrescalerByDesiredHertz(TIM_TypeDef *tim, uint32_t hz);
uint16_t timerGetPrescalerByDesiredMhz(TIM_TypeDef *tim, uint16_t mhz);
uint16_t timerGetPeriodByPrescaler(TIM_TypeDef *tim, uint16_t prescaler, uint32_t hertz);
uint16_t timerGetPeriodByPrescaler(TIM_TypeDef *tim, uint16_t prescaler, uint32_t hz);