mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-18 08:43:10 +00:00
acc39a4bc0
* Api Symbols: replace asserts with checks * Api Symbols: replace asserts with checks part 2 * Update no args function signatures with void, to help compiler to track incorrect usage * More unavoidable void * Update PVS config and code to make it happy * Format sources * nfc: fix checks * dead code cleanup & include fixes Co-authored-by: gornekich <n.gorbadey@gmail.com> Co-authored-by: hedger <hedger@users.noreply.github.com> Co-authored-by: hedger <hedger@nanode.su>
139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
#include <furi_hal_speaker.h>
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#include <furi_hal_gpio.h>
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#include <furi_hal_resources.h>
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#include <furi_hal_power.h>
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#include <furi_hal_bus.h>
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#include <stm32wbxx_ll_tim.h>
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#include <furi_hal_cortex.h>
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#define TAG "FuriHalSpeaker"
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#define FURI_HAL_SPEAKER_TIMER TIM16
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#define FURI_HAL_SPEAKER_CHANNEL LL_TIM_CHANNEL_CH1
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#define FURI_HAL_SPEAKER_PRESCALER 500
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#define FURI_HAL_SPEAKER_MAX_VOLUME 60
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static FuriMutex* furi_hal_speaker_mutex = NULL;
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// #define FURI_HAL_SPEAKER_NEW_VOLUME
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void furi_hal_speaker_init(void) {
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furi_assert(furi_hal_speaker_mutex == NULL);
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furi_hal_speaker_mutex = furi_mutex_alloc(FuriMutexTypeNormal);
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FURI_LOG_I(TAG, "Init OK");
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}
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void furi_hal_speaker_deinit(void) {
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furi_check(furi_hal_speaker_mutex != NULL);
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furi_mutex_free(furi_hal_speaker_mutex);
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furi_hal_speaker_mutex = NULL;
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}
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bool furi_hal_speaker_acquire(uint32_t timeout) {
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furi_check(!FURI_IS_IRQ_MODE());
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if(furi_mutex_acquire(furi_hal_speaker_mutex, timeout) == FuriStatusOk) {
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furi_hal_power_insomnia_enter();
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furi_hal_bus_enable(FuriHalBusTIM16);
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furi_hal_gpio_init_ex(
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&gpio_speaker, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn14TIM16);
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return true;
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} else {
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return false;
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}
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}
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void furi_hal_speaker_release(void) {
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furi_check(!FURI_IS_IRQ_MODE());
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furi_check(furi_hal_speaker_is_mine());
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furi_hal_speaker_stop();
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furi_hal_gpio_init(&gpio_speaker, GpioModeAnalog, GpioPullDown, GpioSpeedLow);
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furi_hal_bus_disable(FuriHalBusTIM16);
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furi_hal_power_insomnia_exit();
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furi_check(furi_mutex_release(furi_hal_speaker_mutex) == FuriStatusOk);
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}
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bool furi_hal_speaker_is_mine(void) {
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return (FURI_IS_IRQ_MODE()) ||
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(furi_mutex_get_owner(furi_hal_speaker_mutex) == furi_thread_get_current_id());
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}
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static inline uint32_t furi_hal_speaker_calculate_autoreload(float frequency) {
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uint32_t autoreload = (SystemCoreClock / FURI_HAL_SPEAKER_PRESCALER / frequency) - 1;
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if(autoreload < 2) {
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autoreload = 2;
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} else if(autoreload > UINT16_MAX) {
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autoreload = UINT16_MAX;
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}
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return autoreload;
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}
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static inline uint32_t furi_hal_speaker_calculate_compare(float volume) {
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if(volume < 0) volume = 0;
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if(volume > 1) volume = 1;
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volume = volume * volume * volume;
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#ifdef FURI_HAL_SPEAKER_NEW_VOLUME
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uint32_t compare_value = volume * FURI_HAL_SPEAKER_MAX_VOLUME;
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uint32_t clip_value = volume * LL_TIM_GetAutoReload(FURI_HAL_SPEAKER_TIMER) / 2;
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if(compare_value > clip_value) {
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compare_value = clip_value;
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}
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#else
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uint32_t compare_value = volume * LL_TIM_GetAutoReload(FURI_HAL_SPEAKER_TIMER) / 2;
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#endif
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if(compare_value == 0) {
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compare_value = 1;
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}
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return compare_value;
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}
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void furi_hal_speaker_start(float frequency, float volume) {
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furi_check(furi_hal_speaker_is_mine());
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if(volume <= 0) {
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furi_hal_speaker_stop();
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return;
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}
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LL_TIM_InitTypeDef TIM_InitStruct = {0};
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TIM_InitStruct.Prescaler = FURI_HAL_SPEAKER_PRESCALER - 1;
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TIM_InitStruct.Autoreload = furi_hal_speaker_calculate_autoreload(frequency);
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LL_TIM_Init(FURI_HAL_SPEAKER_TIMER, &TIM_InitStruct);
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LL_TIM_OC_InitTypeDef TIM_OC_InitStruct = {0};
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TIM_OC_InitStruct.OCMode = LL_TIM_OCMODE_PWM1;
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TIM_OC_InitStruct.OCState = LL_TIM_OCSTATE_ENABLE;
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TIM_OC_InitStruct.CompareValue = furi_hal_speaker_calculate_compare(volume);
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LL_TIM_OC_Init(FURI_HAL_SPEAKER_TIMER, FURI_HAL_SPEAKER_CHANNEL, &TIM_OC_InitStruct);
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LL_TIM_EnableAllOutputs(FURI_HAL_SPEAKER_TIMER);
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LL_TIM_EnableCounter(FURI_HAL_SPEAKER_TIMER);
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}
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void furi_hal_speaker_set_volume(float volume) {
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furi_check(furi_hal_speaker_is_mine());
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if(volume <= 0) {
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furi_hal_speaker_stop();
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return;
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}
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#if FURI_HAL_SPEAKER_CHANNEL == LL_TIM_CHANNEL_CH1
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LL_TIM_OC_SetCompareCH1(FURI_HAL_SPEAKER_TIMER, furi_hal_speaker_calculate_compare(volume));
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#else
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#error Invalid channel
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#endif
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}
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void furi_hal_speaker_stop(void) {
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furi_check(furi_hal_speaker_is_mine());
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LL_TIM_DisableAllOutputs(FURI_HAL_SPEAKER_TIMER);
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LL_TIM_DisableCounter(FURI_HAL_SPEAKER_TIMER);
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}
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