diff options
Diffstat (limited to 'examples/device/dfu/src/main.c')
| -rw-r--r-- | examples/device/dfu/src/main.c | 99 |
1 files changed, 42 insertions, 57 deletions
diff --git a/examples/device/dfu/src/main.c b/examples/device/dfu/src/main.c index c0c848837..fb3c22630 100644 --- a/examples/device/dfu/src/main.c +++ b/examples/device/dfu/src/main.c @@ -23,7 +23,7 @@ * */ - /* +/* * After device is enumerated in dfu mode run the following commands * * To transfer firmware from host to device (best to test with text file) @@ -48,21 +48,18 @@ //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF PROTYPES //--------------------------------------------------------------------+ -const char* upload_image[2]= -{ - "Hello world from TinyUSB DFU! - Partition 0", - "Hello world from TinyUSB DFU! - Partition 1" -}; +const char *upload_image[2] = {"Hello world from TinyUSB DFU! - Partition 0", + "Hello world from TinyUSB DFU! - Partition 1"}; /* Blink pattern * - 250 ms : device not mounted * - 1000 ms : device mounted * - 2500 ms : device is suspended */ -enum { +enum { BLINK_NOT_MOUNTED = 250, - BLINK_MOUNTED = 1000, - BLINK_SUSPENDED = 2500, + BLINK_MOUNTED = 1000, + BLINK_SUSPENDED = 2500, }; static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; @@ -70,21 +67,16 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; void led_blinking_task(void); /*------------- MAIN -------------*/ -int main(void) -{ +int main(void) { board_init(); // init device stack on configured roothub port - tusb_rhport_init_t dev_init = { - .role = TUSB_ROLE_DEVICE, - .speed = TUSB_SPEED_AUTO - }; + tusb_rhport_init_t dev_init = {.role = TUSB_ROLE_DEVICE, .speed = TUSB_SPEED_AUTO}; tusb_init(BOARD_TUD_RHPORT, &dev_init); board_init_after_tusb(); - while (1) - { + while (1) { tud_task(); // tinyusb device task led_blinking_task(); } @@ -95,29 +87,25 @@ 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) 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) -{ +void tud_resume_cb(void) { blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED; } @@ -129,19 +117,17 @@ void tud_resume_cb(void) // Invoked right before tud_dfu_download_cb() (state=DFU_DNBUSY) or tud_dfu_manifest_cb() (state=DFU_MANIFEST) // Application return timeout in milliseconds (bwPollTimeout) for the next download/manifest operation. // During this period, USB host won't try to communicate with us. -uint32_t tud_dfu_get_timeout_cb(uint8_t alt, uint8_t state) -{ - if ( state == DFU_DNBUSY ) - { +uint32_t tud_dfu_get_timeout_cb(uint8_t alt, uint8_t state) { + if (state == DFU_DNBUSY) { // For this example // - Atl0 Flash is fast : 1 ms // - Alt1 EEPROM is slow: 100 ms return (alt == 0) ? 1 : 100; - } - else if (state == DFU_MANIFEST) - { + } else if (state == DFU_MANIFEST) { // since we don't buffer entire image and do any flashing in manifest stage return 0; + } else { + // nothing to do } return 0; @@ -150,15 +136,13 @@ uint32_t tud_dfu_get_timeout_cb(uint8_t alt, uint8_t state) // Invoked when received DFU_DNLOAD (wLength>0) following by DFU_GETSTATUS (state=DFU_DNBUSY) requests // This callback could be returned before flashing op is complete (async). // Once finished flashing, application must call tud_dfu_finish_flashing() -void tud_dfu_download_cb(uint8_t alt, uint16_t block_num, uint8_t const* data, uint16_t length) -{ - (void) alt; - (void) block_num; +void tud_dfu_download_cb(uint8_t alt, uint16_t block_num, const uint8_t *data, uint16_t length) { + (void)alt; + (void)block_num; //printf("\r\nReceived Alt %u BlockNum %u of length %u\r\n", alt, wBlockNum, length); - for(uint16_t i=0; i<length; i++) - { + for (uint16_t i = 0; i < length; i++) { printf("%c", data[i]); } @@ -169,9 +153,8 @@ void tud_dfu_download_cb(uint8_t alt, uint16_t block_num, uint8_t const* data, u // Invoked when download process is complete, received DFU_DNLOAD (wLength=0) following by DFU_GETSTATUS (state=Manifest) // Application can do checksum, or actual flashing if buffered entire image previously. // Once finished flashing, application must call tud_dfu_finish_flashing() -void tud_dfu_manifest_cb(uint8_t alt) -{ - (void) alt; +void tud_dfu_manifest_cb(uint8_t alt) { + (void)alt; printf("Download completed, enter manifestation\r\n"); // flashing op for manifest is complete without error @@ -182,27 +165,28 @@ void tud_dfu_manifest_cb(uint8_t alt) // Invoked when received DFU_UPLOAD request // Application must populate data with up to length bytes and // Return the number of written bytes -uint16_t tud_dfu_upload_cb(uint8_t alt, uint16_t block_num, uint8_t* data, uint16_t length) -{ - (void) block_num; - (void) length; +uint16_t tud_dfu_upload_cb(uint8_t alt, uint16_t block_num, uint8_t *data, uint16_t length) { + (void)block_num; + (void)length; - uint16_t const xfer_len = (uint16_t) strlen(upload_image[alt]); + if (block_num != 0u) { + return 0; // for this example we only support single block upload + } + + const uint16_t xfer_len = tu_min16((uint16_t)strlen(upload_image[alt]), length); memcpy(data, upload_image[alt], xfer_len); return xfer_len; } // Invoked when the Host has terminated a download or upload transfer -void tud_dfu_abort_cb(uint8_t alt) -{ - (void) alt; +void tud_dfu_abort_cb(uint8_t alt) { + (void)alt; printf("Host aborted transfer\r\n"); } // Invoked when a DFU_DETACH request is received -void tud_dfu_detach_cb(void) -{ +void tud_dfu_detach_cb(void) { printf("Host detach, we should probably reboot\r\n"); } @@ -210,13 +194,14 @@ void tud_dfu_detach_cb(void) // BLINKING TASK + Indicator pulse //--------------------------------------------------------------------+ -void led_blinking_task(void) -{ - static uint32_t start_ms = 0; - static bool led_state = false; +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 (tusb_time_millis_api() - start_ms < blink_interval_ms) { + return; // not enough time + } start_ms += blink_interval_ms; board_led_write(led_state); |