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https://github.com/DarkFlippers/unleashed-firmware.git
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f5fe0ff694
* Furi: make `furi_is_irq_context` public * Furi: proper name and documentation for furi_kernel_is_irq_or_masked. * Target: bump symbol table version * Furi: proper doxygen context for warnings Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
127 lines
3.4 KiB
C
127 lines
3.4 KiB
C
#include "timer.h"
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#include "check.h"
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#include "memmgr.h"
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#include "kernel.h"
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#include <FreeRTOS.h>
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#include <timers.h>
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typedef struct {
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FuriTimerCallback func;
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void* context;
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} TimerCallback_t;
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static void TimerCallback(TimerHandle_t hTimer) {
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TimerCallback_t* callb;
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/* Retrieve pointer to callback function and context */
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callb = (TimerCallback_t*)pvTimerGetTimerID(hTimer);
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/* Remove dynamic allocation flag */
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callb = (TimerCallback_t*)((uint32_t)callb & ~1U);
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if(callb != NULL) {
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callb->func(callb->context);
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}
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}
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FuriTimer* furi_timer_alloc(FuriTimerCallback func, FuriTimerType type, void* context) {
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furi_assert((furi_kernel_is_irq_or_masked() == 0U) && (func != NULL));
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TimerHandle_t hTimer;
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TimerCallback_t* callb;
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UBaseType_t reload;
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hTimer = NULL;
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/* Dynamic memory allocation is available: if memory for callback and */
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/* its context is not provided, allocate it from dynamic memory pool */
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callb = (TimerCallback_t*)malloc(sizeof(TimerCallback_t));
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callb->func = func;
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callb->context = context;
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if(type == FuriTimerTypeOnce) {
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reload = pdFALSE;
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} else {
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reload = pdTRUE;
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}
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/* Store callback memory dynamic allocation flag */
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callb = (TimerCallback_t*)((uint32_t)callb | 1U);
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// TimerCallback function is always provided as a callback and is used to call application
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// specified function with its context both stored in structure callb.
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hTimer = xTimerCreate(NULL, 1, reload, callb, TimerCallback);
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furi_check(hTimer);
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/* Return timer ID */
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return ((FuriTimer*)hTimer);
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}
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void furi_timer_free(FuriTimer* instance) {
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furi_assert(!furi_kernel_is_irq_or_masked());
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furi_assert(instance);
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TimerHandle_t hTimer = (TimerHandle_t)instance;
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TimerCallback_t* callb;
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callb = (TimerCallback_t*)pvTimerGetTimerID(hTimer);
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furi_check(xTimerDelete(hTimer, portMAX_DELAY) == pdPASS);
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while(furi_timer_is_running(instance)) furi_delay_tick(2);
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if((uint32_t)callb & 1U) {
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/* Callback memory was allocated from dynamic pool, clear flag */
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callb = (TimerCallback_t*)((uint32_t)callb & ~1U);
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/* Return allocated memory to dynamic pool */
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free(callb);
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}
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}
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FuriStatus furi_timer_start(FuriTimer* instance, uint32_t ticks) {
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furi_assert(!furi_kernel_is_irq_or_masked());
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furi_assert(instance);
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TimerHandle_t hTimer = (TimerHandle_t)instance;
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FuriStatus stat;
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if(xTimerChangePeriod(hTimer, ticks, portMAX_DELAY) == pdPASS) {
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stat = FuriStatusOk;
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} else {
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stat = FuriStatusErrorResource;
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}
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/* Return execution status */
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return (stat);
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}
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FuriStatus furi_timer_stop(FuriTimer* instance) {
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furi_assert(!furi_kernel_is_irq_or_masked());
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furi_assert(instance);
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TimerHandle_t hTimer = (TimerHandle_t)instance;
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FuriStatus stat;
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if(xTimerIsTimerActive(hTimer) == pdFALSE) {
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stat = FuriStatusErrorResource;
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} else {
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furi_check(xTimerStop(hTimer, portMAX_DELAY) == pdPASS);
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stat = FuriStatusOk;
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}
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/* Return execution status */
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return (stat);
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}
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uint32_t furi_timer_is_running(FuriTimer* instance) {
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furi_assert(!furi_kernel_is_irq_or_masked());
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furi_assert(instance);
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TimerHandle_t hTimer = (TimerHandle_t)instance;
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/* Return 0: not running, 1: running */
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return (uint32_t)xTimerIsTimerActive(hTimer);
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}
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