diff options
Diffstat (limited to 'examples/device/cdc_msc_hid_freertos/src/main.c')
| -rw-r--r-- | examples/device/cdc_msc_hid_freertos/src/main.c | 65 |
1 files changed, 31 insertions, 34 deletions
diff --git a/examples/device/cdc_msc_hid_freertos/src/main.c b/examples/device/cdc_msc_hid_freertos/src/main.c index fbe1ec93e..843b2b077 100644 --- a/examples/device/cdc_msc_hid_freertos/src/main.c +++ b/examples/device/cdc_msc_hid_freertos/src/main.c @@ -59,14 +59,13 @@ //--------------------------------------------------------------------+ // INTERNAL OBJECT & FUNCTION DECLARATION //--------------------------------------------------------------------+ -void print_greeting(void); void led_blinky_cb(TimerHandle_t xTimer); +void usb_device_task(void* param); /*------------- MAIN -------------*/ int main(void) { board_init(); - print_greeting(); // soft timer for blinky TimerHandle_t tm_hdl = xTimerCreate(NULL, pdMS_TO_TICKS(1000), true, NULL, led_blinky_cb); @@ -74,10 +73,13 @@ int main(void) tusb_init(); + // Create a task for tinyusb device stack + xTaskCreate( usb_device_task, "usbd", 150, NULL, configMAX_PRIORITIES-1, NULL); + // Create task #if CFG_TUD_CDC extern void cdc_task(void* params); - xTaskCreate( cdc_task, "cdc", 256, NULL, 2, NULL); + xTaskCreate( cdc_task, "cdc", 256, NULL, configMAX_PRIORITIES-2, NULL); #endif #if CFG_TUD_HID @@ -90,6 +92,19 @@ int main(void) return 0; } +// USB Device Driver task +// This top level thread process all usb events and invoke callbacks +void usb_device_task(void* param) +{ + (void) param; + + // RTOS forever loop + while (1) + { + tusb_task(); + } +} + //--------------------------------------------------------------------+ // USB CDC //--------------------------------------------------------------------+ @@ -98,11 +113,12 @@ void cdc_task(void* params) { (void) params; + // RTOS forever loop while ( 1 ) { - // connected and there are data available if ( tud_cdc_connected() ) { + // connected and there are data available if ( tud_cdc_available() ) { uint8_t buf[64]; @@ -110,10 +126,15 @@ void cdc_task(void* params) // read and echo back uint32_t count = tud_cdc_read(buf, sizeof(buf)); - tud_cdc_write(buf, count); - } + for(uint32_t i=0; i<count; i++) + { + tud_cdc_write_char(buf[i]); - tud_cdc_write_flush(); + if ( buf[i] == '\r' ) tud_cdc_write_char('\n'); + } + + tud_cdc_write_flush(); + } } } } @@ -125,8 +146,8 @@ void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) // connected if ( dtr && rts ) { - // print greeting - tud_cdc_write_str("tinyusb usb cdc\n"); + // print initial message when connected + tud_cdc_write_str("\r\nTinyUSB CDC MSC HID device with FreeRTOS example\r\n"); } } #endif @@ -206,6 +227,7 @@ void tud_umount_cb(void) void tud_cdc_rx_cb(uint8_t itf) { + (void) itf; } //--------------------------------------------------------------------+ @@ -219,28 +241,3 @@ void led_blinky_cb(TimerHandle_t xTimer) board_led_control(led_state); led_state = 1 - led_state; // toggle } - -//--------------------------------------------------------------------+ -// HELPER FUNCTION -//--------------------------------------------------------------------+ -void print_greeting(void) -{ - char const * const rtos_name[] = - { - [OPT_OS_NONE] = "None", - [OPT_OS_FREERTOS] = "FreeRTOS", - }; - - printf("\n--------------------------------------------------------------------\n"); - printf("- Device Demo (a tinyusb example)\n"); - printf("- if you find any bugs or get any questions, feel free to file an\n"); - printf("- issue at https://github.com/hathach/tinyusb\n"); - printf("--------------------------------------------------------------------\n\n"); - - printf("This DEVICE demo is configured to support:"); - printf(" - RTOS = %s\n", rtos_name[CFG_TUSB_OS]); - if (CFG_TUD_CDC ) puts(" - Communication Device Class"); - if (CFG_TUD_MSC ) puts(" - Mass Storage"); - if (CFG_TUD_HID_KEYBOARD ) puts(" - HID Keyboard"); - if (CFG_TUD_HID_MOUSE ) puts(" - HID Mouse"); -} |