diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/cdc_msc_freertos/src/main.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c index 1dadc4513..e94e8eaec 100644 --- a/examples/device/cdc_msc_freertos/src/main.c +++ b/examples/device/cdc_msc_freertos/src/main.c @@ -52,7 +52,8 @@ #define USBD_STACK_SIZE (3*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1) #endif -#define CDC_STACK_SZIE configMINIMAL_STACK_SIZE +#define CDC_STACK_SIZE configMINIMAL_STACK_SIZE +#define BLINKY_STACK_SIZE configMINIMAL_STACK_SIZE //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF PROTOTYPES @@ -69,21 +70,22 @@ enum { BLINK_SUSPENDED = 2500, }; -// static timer & task +// static task #if configSUPPORT_STATIC_ALLOCATION -StaticTimer_t blinky_tmdef; +StackType_t blinky_stack[BLINKY_STACK_SIZE]; +StaticTask_t blinky_taskdef; StackType_t usb_device_stack[USBD_STACK_SIZE]; StaticTask_t usb_device_taskdef; -StackType_t cdc_stack[CDC_STACK_SZIE]; +StackType_t cdc_stack[CDC_STACK_SIZE]; StaticTask_t cdc_taskdef; #endif -TimerHandle_t blinky_tm; +static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; -static void led_blinky_cb(TimerHandle_t xTimer); static void usb_device_task(void *param); +void led_blinking_task(void* param); void cdc_task(void *params); //--------------------------------------------------------------------+ @@ -94,22 +96,20 @@ int main(void) { board_init(); #if configSUPPORT_STATIC_ALLOCATION - // soft timer for blinky - blinky_tm = xTimerCreateStatic(NULL, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), true, NULL, led_blinky_cb, &blinky_tmdef); + // blinky task + xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef); // Create a task for tinyusb device stack xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef); // Create CDC task - xTaskCreateStatic(cdc_task, "cdc", CDC_STACK_SZIE, NULL, configMAX_PRIORITIES-2, cdc_stack, &cdc_taskdef); + xTaskCreateStatic(cdc_task, "cdc", CDC_STACK_SIZE, NULL, configMAX_PRIORITIES - 2, cdc_stack, &cdc_taskdef); #else - blinky_tm = xTimerCreate(NULL, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), true, NULL, led_blinky_cb); + xTaskCreate(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, NULL); xTaskCreate(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL); xTaskCreate(cdc_task, "cdc", CDC_STACK_SZIE, NULL, configMAX_PRIORITIES - 2, NULL); #endif - xTimerStart(blinky_tm, 0); - // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3 #if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3) vTaskStartScheduler(); @@ -154,12 +154,12 @@ static void usb_device_task(void *param) { // Invoked when device is mounted void tud_mount_cb(void) { - xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0); + blink_interval_ms = BLINK_MOUNTED; } // Invoked when device is unmounted void tud_umount_cb(void) { - xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), 0); + blink_interval_ms = BLINK_NOT_MOUNTED; } // Invoked when usb bus is suspended @@ -167,16 +167,12 @@ void tud_umount_cb(void) { // Within 7ms, device must draw an average of current less than 2.5 mA from bus void tud_suspend_cb(bool remote_wakeup_en) { (void) remote_wakeup_en; - xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_SUSPENDED), 0); + blink_interval_ms = BLINK_SUSPENDED; } // Invoked when usb bus is resumed void tud_resume_cb(void) { - if (tud_mounted()) { - xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0); - } else { - xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), 0); - } + blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED; } //--------------------------------------------------------------------+ @@ -235,10 +231,17 @@ void tud_cdc_rx_cb(uint8_t itf) { //--------------------------------------------------------------------+ // BLINKING TASK //--------------------------------------------------------------------+ -static void led_blinky_cb(TimerHandle_t xTimer) { - (void) xTimer; +void led_blinking_task(void* param) { + (void) param; + static uint32_t start_ms = 0; static bool led_state = false; - board_led_write(led_state); - led_state = 1 - led_state; // toggle + while (1) { + // Blink every interval ms + vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS); + start_ms += blink_interval_ms; + + board_led_write(led_state); + led_state = 1 - led_state; // toggle + } } |