liz/flipperzero-firmware
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[FL-1631] SubGhz: add tim2 clocking and NVIC initialization routines #618

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あく 2021-08-02 17:03:12 +03:00 committed by GitHub
parent 95f44f4d33
commit 93caf84c80
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1 changed files with 12 additions and 0 deletions
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12
firmware/targets/f6/api-hal/api-hal-subghz.c
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@ -335,6 +335,7 @@ void api_hal_subghz_start_async_rx() {
hal_gpio_init_ex(&gpio_cc1101_g0, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn1TIM2);
// Timer: base
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
LL_TIM_InitTypeDef TIM_InitStruct = {0};
TIM_InitStruct.Prescaler = 64-1;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
@ -375,6 +376,10 @@ void api_hal_subghz_start_async_rx() {
LL_TIM_CC_EnableChannel(TIM2, LL_TIM_CHANNEL_CH1);
LL_TIM_CC_EnableChannel(TIM2, LL_TIM_CHANNEL_CH2);
// Enable NVIC
NVIC_SetPriority(TIM2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
NVIC_EnableIRQ(TIM2_IRQn);
// Start timer
LL_TIM_SetCounter(TIM2, 0);
LL_TIM_EnableCounter(TIM2);
@ -391,6 +396,7 @@ void api_hal_subghz_stop_async_rx() {
api_hal_subghz_idle();
LL_TIM_DeInit(TIM2);
LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_TIM2);
api_hal_interrupt_set_timer_isr(TIM2, NULL);
hal_gpio_init(&gpio_cc1101_g0, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
@ -446,6 +452,7 @@ void api_hal_subghz_start_async_tx(uint32_t* buffer, size_t buffer_size, size_t
LL_DMA_EnableChannel(DMA1, LL_DMA_CHANNEL_1);
// Configure TIM2
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
LL_TIM_InitTypeDef TIM_InitStruct = {0};
TIM_InitStruct.Prescaler = 64-1;
TIM_InitStruct.CounterMode = LL_TIM_COUNTERMODE_UP;
@ -478,6 +485,10 @@ void api_hal_subghz_start_async_tx(uint32_t* buffer, size_t buffer_size, size_t
#endif
api_hal_subghz_tx();
// Enable NVIC
NVIC_SetPriority(TIM2_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
NVIC_EnableIRQ(TIM2_IRQn);
LL_TIM_SetCounter(TIM2, 0);
LL_TIM_EnableCounter(TIM2);
}
@ -505,6 +516,7 @@ void api_hal_subghz_stop_async_tx() {
// Deinitialize Timer
LL_TIM_DeInit(TIM2);
LL_APB1_GRP1_DisableClock(LL_APB1_GRP1_PERIPH_TIM2);
api_hal_interrupt_set_timer_isr(TIM2, NULL);
// Deinitialize DMA