diff options
Diffstat (limited to 'examples/device/midi_test/src/main.c')
| -rw-r--r-- | examples/device/midi_test/src/main.c | 45 |
1 files changed, 25 insertions, 20 deletions
diff --git a/examples/device/midi_test/src/main.c b/examples/device/midi_test/src/main.c index b1d51598f..e5c47bdb2 100644 --- a/examples/device/midi_test/src/main.c +++ b/examples/device/midi_test/src/main.c @@ -58,19 +58,21 @@ void led_blinking_task(void); void midi_task(void); /*------------- MAIN -------------*/ -int main(void) -{ +int main(void) { board_init(); // init device stack on configured roothub port - tud_init(BOARD_TUD_RHPORT); + tusb_rhport_init_t dev_init = { + .role = TUSB_ROLE_DEVICE, + .speed = TUSB_SPEED_AUTO + }; + tusb_init(BOARD_TUD_RHPORT, &dev_init); if (board_init_after_tusb) { board_init_after_tusb(); } - while (1) - { + while (1) { tud_task(); // tinyusb device task led_blinking_task(); midi_task(); @@ -82,29 +84,25 @@ 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 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; } @@ -116,8 +114,7 @@ void tud_resume_cb(void) uint32_t note_pos = 0; // Store example melody as an array of note values -uint8_t note_sequence[] = -{ +const uint8_t note_sequence[] = { 74,78,81,86,90,93,98,102,57,61,66,69,73,78,81,85,88,92,97,100,97,92,88,85,81,78, 74,69,66,62,57,62,66,69,74,78,81,86,90,93,97,102,97,93,90,85,81,78,73,68,64,61, 56,61,64,68,74,78,81,86,90,93,98,102 @@ -133,11 +130,15 @@ void midi_task(void) // The MIDI interface always creates input and output port/jack descriptors // regardless of these being used or not. Therefore incoming traffic should be read // (possibly just discarded) to avoid the sender blocking in IO - uint8_t packet[4]; - while ( tud_midi_available() ) tud_midi_packet_read(packet); + while (tud_midi_available()) { + uint8_t packet[4]; + tud_midi_packet_read(packet); + } // send note periodically - if (board_millis() - start_ms < 286) return; // not enough time + if (board_millis() - start_ms < 286) { + return; // not enough time + } start_ms += 286; // Previous positions in the note sequence. @@ -145,7 +146,9 @@ void midi_task(void) // If we currently are at position 0, set the // previous position to the last note in the sequence. - if (previous < 0) previous = sizeof(note_sequence) - 1; + if (previous < 0) { + previous = sizeof(note_sequence) - 1; + } // Send Note On for current position at full velocity (127) on channel 1. uint8_t note_on[3] = { 0x90 | channel, note_sequence[note_pos], 127 }; @@ -159,7 +162,9 @@ void midi_task(void) note_pos++; // If we are at the end of the sequence, start over. - if (note_pos >= sizeof(note_sequence)) note_pos = 0; + if (note_pos >= sizeof(note_sequence)) { + note_pos = 0; + } } //--------------------------------------------------------------------+ |