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PEP emulation (didn't test yet)

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This commit is contained in:
Edward Emelianov
2024-03-08 13:23:23 +03:00
parent 8ea835d80f
commit bc82142e87
17 changed files with 183 additions and 26 deletions
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13
F3:F303/CANbus4BTA/hardware.c
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@@ -46,7 +46,17 @@ TRUE_INLINE void iwdg_setup(){
}
#endif
static inline void gpio_setup(){
// setup TIM2 as 24-bit 2mks timestamp counter
TRUE_INLINE void tim2_setup(){
TIM2->CR1 = 0; // turn off timer
RCC->APB1ENR |= RCC_APB1ENR_TIM2EN; // enable clocking
TIM2->PSC = 143; // 500kHz
TIM2->ARR = 0xffffff; // 24 bit counter from 0xffffff to 0
// turn it on, downcounting
TIM2->CR1 = TIM_CR1_CEN | TIM_CR1_DIR;
}
TRUE_INLINE void gpio_setup(){
RELAY_OFF(); MUL_OFF(0); MUL_OFF(1);
RCC->AHBENR |= RCC_AHBENR_GPIOAEN | RCC_AHBENR_GPIOBEN | RCC_AHBENR_GPIOCEN;
// PWM - AF1 @PA7; USB - alternate function 14 @ pins PA11/PA12; SWD - AF0 @PA13/14
@@ -73,6 +83,7 @@ static inline void gpio_setup(){
}
void hw_setup(){
tim2_setup();
gpio_setup();
adc_setup();
USB_setup();