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Initial preparation for cleaning up multiple files per MCU (#2500)

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* Initial preparation for cleaning up multiple files per MCU

* Combined DSHOT for F3 and F4 (F7 todo)

* Build fixes (mixed some adjustments needed in transponder_ir.c)

* Fix F7 warnings/bugs

* Updated timer periods for transponder.

Fixed FURY including old pwm_output files.

* Added method to calculate prescaler and period on the fly for varying clock speeds.

This can be used for overclocking :)

* Consolidated led_strip

* Moved led strip to use system clock for timing (allowing overclocking)

* Fixed incorrect channel, and removed comparison warning.

* More cleanup

* Fix KIWIF4 target

* Cleaned up target.mk files
This commit is contained in:
J Blackman 2017-03-02 06:50:23 +11:00 • committed by Martin Budden
parent 67ac6dfefa
commit 792941606f
30 changed files with 204 additions and 653 deletions
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15
src/main/drivers/timer.c
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@ -18,6 +18,7 @@
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include "platform.h"
@ -842,3 +843,17 @@ uint16_t timerDmaSource(uint8_t channel)
return 0;
}
#endif
uint16_t timerGetPrescalerByDesiredMhz(TIM_TypeDef *tim, uint16_t mhz)
{
// protection here for desired MHZ > SystemCoreClock???
if ((uint32_t)(mhz * 1000000) > (SystemCoreClock / timerClockDivisor(tim))) {
return 0;
}
return (uint16_t)(round((SystemCoreClock / timerClockDivisor(tim) / (mhz * 1000000)) - 1));
}
uint16_t timerGetPeriodByPrescaler(TIM_TypeDef *tim, uint16_t prescaler, uint32_t hertz)
{
return ((uint16_t)((SystemCoreClock / timerClockDivisor(tim) / (prescaler + 1)) / hertz));
}