diff options
| author | hathach <[email protected]> | 2021-02-19 10:57:20 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2021-02-19 10:57:20 +0700 |
| commit | 8f3f21045b8a5b533971c4e4c721b484056ac0db (patch) | |
| tree | 8286d97c9595340e5b625b5db17db43f51c25855 | |
| parent | aa850991715e2a6dcaa33a370b0ae702a33c1d54 (diff) | |
make midi example less ambigous for cable and channel
| -rw-r--r-- | examples/device/dynamic_configuration/src/main.c | 7 | ||||
| -rw-r--r-- | examples/device/midi_test/src/main.c | 7 |
2 files changed, 10 insertions, 4 deletions
diff --git a/examples/device/dynamic_configuration/src/main.c b/examples/device/dynamic_configuration/src/main.c index 45786e99a..acee295f6 100644 --- a/examples/device/dynamic_configuration/src/main.c +++ b/examples/device/dynamic_configuration/src/main.c @@ -165,6 +165,9 @@ void midi_task(void) { static uint32_t start_ms = 0; + uint8_t const cable_num = 0; // MIDI jack associated with USB endpoint + uint8_t const channel = 0; // 0 for channel 1 + // 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 @@ -183,10 +186,10 @@ void midi_task(void) if (previous < 0) previous = sizeof(note_sequence) - 1; // Send Note On for current position at full velocity (127) on channel 1. - tudi_midi_write24(0, 0x90, note_sequence[note_pos], 127); + tud_midi_write24(cable_num, 0x90 | channel, note_sequence[note_pos], 127); // Send Note Off for previous note. - tudi_midi_write24(0, 0x80, note_sequence[previous], 0); + tud_midi_write24(cable_num, 0x80 | channel, note_sequence[previous], 0); // Increment position note_pos++; diff --git a/examples/device/midi_test/src/main.c b/examples/device/midi_test/src/main.c index d92621fc9..858a096b6 100644 --- a/examples/device/midi_test/src/main.c +++ b/examples/device/midi_test/src/main.c @@ -125,6 +125,9 @@ void midi_task(void) { static uint32_t start_ms = 0; + uint8_t const cable_num = 0; // MIDI jack associated with USB endpoint + uint8_t const channel = 0; // 0 for channel 1 + // 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 @@ -143,10 +146,10 @@ void midi_task(void) if (previous < 0) previous = sizeof(note_sequence) - 1; // Send Note On for current position at full velocity (127) on channel 1. - tudi_midi_write24(0, 0x90, note_sequence[note_pos], 127); + tud_midi_write24(cable_num, 0x90 | channel, note_sequence[note_pos], 127); // Send Note Off for previous note. - tudi_midi_write24(0, 0x80, note_sequence[previous], 0); + tud_midi_write24(cable_num, 0x80 | channel, note_sequence[previous], 0); // Increment position note_pos++; |