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slightly change cdc_msc_freertos example

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This commit is contained in:
hathach
2024-02-22 19:20:28 +07:00
parent d241f32342
commit 13d26d2166
2 changed files with 32 additions and 25 deletions
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51
examples/device/cdc_msc_freertos/src/main.c
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@@ -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
}
}