diff options
Diffstat (limited to 'examples/device/cdc_msc/src/main.c')
| -rw-r--r-- | examples/device/cdc_msc/src/main.c | 57 |
1 files changed, 23 insertions, 34 deletions
diff --git a/examples/device/cdc_msc/src/main.c b/examples/device/cdc_msc/src/main.c index c3666763b..0d3f97c8f 100644 --- a/examples/device/cdc_msc/src/main.c +++ b/examples/device/cdc_msc/src/main.c @@ -1,4 +1,4 @@ -/* +/* * The MIT License (MIT) * * Copyright (c) 2019 Ha Thach (tinyusb.org) @@ -27,7 +27,7 @@ #include <stdio.h> #include <string.h> -#include "bsp/board.h" +#include "bsp/board_api.h" #include "tusb.h" //--------------------------------------------------------------------+ @@ -39,7 +39,7 @@ * - 1000 ms : device mounted * - 2500 ms : device is suspended */ -enum { +enum { BLINK_NOT_MOUNTED = 250, BLINK_MOUNTED = 1000, BLINK_SUSPENDED = 2500, @@ -51,22 +51,22 @@ void led_blinking_task(void); void cdc_task(void); /*------------- MAIN -------------*/ -int main(void) -{ +int main(void) { board_init(); // init device stack on configured roothub port tud_init(BOARD_TUD_RHPORT); - while (1) - { + if (board_init_after_tusb) { + board_init_after_tusb(); + } + + while (1) { tud_task(); // tinyusb device task led_blinking_task(); cdc_task(); } - - return 0; } //--------------------------------------------------------------------+ @@ -74,46 +74,40 @@ int main(void) //--------------------------------------------------------------------+ // Invoked when device is mounted -void tud_mount_cb(void) -{ +void tud_mount_cb(void) { blink_interval_ms = BLINK_MOUNTED; } // Invoked when device is unmounted -void tud_umount_cb(void) -{ +void tud_umount_cb(void) { blink_interval_ms = BLINK_NOT_MOUNTED; } // Invoked when usb bus is suspended // remote_wakeup_en : if host allow us to perform remote wakeup // 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 tud_suspend_cb(bool remote_wakeup_en) { (void) remote_wakeup_en; blink_interval_ms = BLINK_SUSPENDED; } // Invoked when usb bus is resumed -void tud_resume_cb(void) -{ - blink_interval_ms = BLINK_MOUNTED; +void tud_resume_cb(void) { + blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED; } //--------------------------------------------------------------------+ // USB CDC //--------------------------------------------------------------------+ -void cdc_task(void) -{ +void cdc_task(void) { // connected() check for DTR bit // Most but not all terminal client set this when making connection // if ( tud_cdc_connected() ) { // connected and there are data available - if ( tud_cdc_available() ) - { - // read datas + if (tud_cdc_available()) { + // read data char buf[64]; uint32_t count = tud_cdc_read(buf, sizeof(buf)); (void) count; @@ -129,37 +123,32 @@ void cdc_task(void) } // Invoked when cdc when line state changed e.g connected/disconnected -void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) -{ +void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) { (void) itf; (void) rts; // TODO set some indicator - if ( dtr ) - { + if (dtr) { // Terminal connected - }else - { + } else { // Terminal disconnected } } // Invoked when CDC interface received data from host -void tud_cdc_rx_cb(uint8_t itf) -{ +void tud_cdc_rx_cb(uint8_t itf) { (void) itf; } //--------------------------------------------------------------------+ // BLINKING TASK //--------------------------------------------------------------------+ -void led_blinking_task(void) -{ +void led_blinking_task(void) { static uint32_t start_ms = 0; static bool led_state = false; // Blink every interval ms - if ( board_millis() - start_ms < blink_interval_ms) return; // not enough time + if (board_millis() - start_ms < blink_interval_ms) return; // not enough time start_ms += blink_interval_ms; board_led_write(led_state); |
