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Diffstat (limited to 'tmk_core/protocol/midi/qmk_midi.c')
-rw-r--r--tmk_core/protocol/midi/qmk_midi.c258
1 files changed, 125 insertions, 133 deletions
diff --git a/tmk_core/protocol/midi/qmk_midi.c b/tmk_core/protocol/midi/qmk_midi.c
index d4de6caa7..6f6aced72 100644
--- a/tmk_core/protocol/midi/qmk_midi.c
+++ b/tmk_core/protocol/midi/qmk_midi.c
@@ -5,7 +5,7 @@
#include "usb_descriptor.h"
#include "process_midi.h"
#if API_SYSEX_ENABLE
-#include "api.h"
+# include "api.h"
#endif
/*******************************************************************************
@@ -23,162 +23,154 @@ MidiDevice midi_device;
#define SYS_COMMON_2 0x20
#define SYS_COMMON_3 0x30
-static void usb_send_func(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
- MIDI_EventPacket_t event;
- event.Data1 = byte0;
- event.Data2 = byte1;
- event.Data3 = byte2;
-
- uint8_t cable = 0;
-
- //if the length is undefined we assume it is a SYSEX message
- if (midi_packet_length(byte0) == UNDEFINED) {
- switch(cnt) {
- case 3:
- if (byte2 == SYSEX_END)
- event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_3);
- else
- event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
- break;
- case 2:
- if (byte1 == SYSEX_END)
- event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_2);
- else
- event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
- break;
- case 1:
- if (byte0 == SYSEX_END)
- event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_1);
- else
- event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
- break;
- default:
- return; //invalid cnt
+static void usb_send_func(MidiDevice* device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
+ MIDI_EventPacket_t event;
+ event.Data1 = byte0;
+ event.Data2 = byte1;
+ event.Data3 = byte2;
+
+ uint8_t cable = 0;
+
+ // if the length is undefined we assume it is a SYSEX message
+ if (midi_packet_length(byte0) == UNDEFINED) {
+ switch (cnt) {
+ case 3:
+ if (byte2 == SYSEX_END)
+ event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_3);
+ else
+ event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
+ break;
+ case 2:
+ if (byte1 == SYSEX_END)
+ event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_2);
+ else
+ event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
+ break;
+ case 1:
+ if (byte0 == SYSEX_END)
+ event.Event = MIDI_EVENT(cable, SYSEX_ENDS_IN_1);
+ else
+ event.Event = MIDI_EVENT(cable, SYSEX_START_OR_CONT);
+ break;
+ default:
+ return; // invalid cnt
+ }
+ } else {
+ // deal with 'system common' messages
+ // TODO are there any more?
+ switch (byte0 & 0xF0) {
+ case MIDI_SONGPOSITION:
+ event.Event = MIDI_EVENT(cable, SYS_COMMON_3);
+ break;
+ case MIDI_SONGSELECT:
+ case MIDI_TC_QUARTERFRAME:
+ event.Event = MIDI_EVENT(cable, SYS_COMMON_2);
+ break;
+ default:
+ event.Event = MIDI_EVENT(cable, byte0);
+ break;
+ }
}
- } else {
- //deal with 'system common' messages
- //TODO are there any more?
- switch(byte0 & 0xF0){
- case MIDI_SONGPOSITION:
- event.Event = MIDI_EVENT(cable, SYS_COMMON_3);
- break;
- case MIDI_SONGSELECT:
- case MIDI_TC_QUARTERFRAME:
- event.Event = MIDI_EVENT(cable, SYS_COMMON_2);
- break;
- default:
- event.Event = MIDI_EVENT(cable, byte0);
- break;
- }
- }
- send_midi_packet(&event);
+ send_midi_packet(&event);
}
-static void usb_get_midi(MidiDevice * device) {
- MIDI_EventPacket_t event;
- while (recv_midi_packet(&event)) {
-
- midi_packet_length_t length = midi_packet_length(event.Data1);
- uint8_t input[3];
- input[0] = event.Data1;
- input[1] = event.Data2;
- input[2] = event.Data3;
- if (length == UNDEFINED) {
- //sysex
- if (event.Event == MIDI_EVENT(0, SYSEX_START_OR_CONT) || event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_3)) {
- length = 3;
- } else if (event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_2)) {
- length = 2;
- } else if(event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_1)) {
- length = 1;
- } else {
- //XXX what to do?
- }
+static void usb_get_midi(MidiDevice* device) {
+ MIDI_EventPacket_t event;
+ while (recv_midi_packet(&event)) {
+ midi_packet_length_t length = midi_packet_length(event.Data1);
+ uint8_t input[3];
+ input[0] = event.Data1;
+ input[1] = event.Data2;
+ input[2] = event.Data3;
+ if (length == UNDEFINED) {
+ // sysex
+ if (event.Event == MIDI_EVENT(0, SYSEX_START_OR_CONT) || event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_3)) {
+ length = 3;
+ } else if (event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_2)) {
+ length = 2;
+ } else if (event.Event == MIDI_EVENT(0, SYSEX_ENDS_IN_1)) {
+ length = 1;
+ } else {
+ // XXX what to do?
+ }
+ }
+
+ // pass the data to the device input function
+ if (length != UNDEFINED) midi_device_input(device, length, input);
}
-
- //pass the data to the device input function
- if (length != UNDEFINED)
- midi_device_input(device, length, input);
- }
}
-static void fallthrough_callback(MidiDevice * device,
- uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2){
-
+static void fallthrough_callback(MidiDevice* device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
#ifdef AUDIO_ENABLE
- if (cnt == 3) {
- switch (byte0 & 0xF0) {
- case MIDI_NOTEON:
- play_note(((double)261.6)*pow(2.0, -4.0)*pow(2.0,(byte1 & 0x7F)/12.0), (byte2 & 0x7F) / 8);
- break;
- case MIDI_NOTEOFF:
- stop_note(((double)261.6)*pow(2.0, -4.0)*pow(2.0,(byte1 & 0x7F)/12.0));
- break;
+ if (cnt == 3) {
+ switch (byte0 & 0xF0) {
+ case MIDI_NOTEON:
+ play_note(((double)261.6) * pow(2.0, -4.0) * pow(2.0, (byte1 & 0x7F) / 12.0), (byte2 & 0x7F) / 8);
+ break;
+ case MIDI_NOTEOFF:
+ stop_note(((double)261.6) * pow(2.0, -4.0) * pow(2.0, (byte1 & 0x7F) / 12.0));
+ break;
+ }
+ }
+ if (byte0 == MIDI_STOP) {
+ stop_all_notes();
}
- }
- if (byte0 == MIDI_STOP) {
- stop_all_notes();
- }
#endif
}
-
-static void cc_callback(MidiDevice * device,
- uint8_t chan, uint8_t num, uint8_t val) {
- //sending it back on the next channel
- // midi_send_cc(device, (chan + 1) % 16, num, val);
+static void cc_callback(MidiDevice* device, uint8_t chan, uint8_t num, uint8_t val) {
+ // sending it back on the next channel
+ // midi_send_cc(device, (chan + 1) % 16, num, val);
}
#ifdef API_SYSEX_ENABLE
uint8_t midi_buffer[MIDI_SYSEX_BUFFER] = {0};
-static void sysex_callback(MidiDevice * device, uint16_t start, uint8_t length, uint8_t * data) {
- // SEND_STRING("\n");
- // send_word(start);
- // SEND_STRING(": ");
- // Don't store the header
- int16_t pos = start - 4;
- for (uint8_t place = 0; place < length; place++) {
- // send_byte(*data);
- if (pos >= 0) {
- if (*data == 0xF7) {
- // SEND_STRING("\nRD: ");
- // for (uint8_t i = 0; i < start + place + 1; i++){
- // send_byte(midi_buffer[i]);
- // SEND_STRING(" ");
- // }
- const unsigned decoded_length = sysex_decoded_length(pos);
- uint8_t decoded[API_SYSEX_MAX_SIZE];
- sysex_decode(decoded, midi_buffer, pos);
- process_api(decoded_length, decoded);
- return;
- }
- else if (pos >= MIDI_SYSEX_BUFFER) {
- return;
- }
- midi_buffer[pos] = *data;
- }
- // SEND_STRING(" ");
- data++;
- pos++;
- }
+static void sysex_callback(MidiDevice* device, uint16_t start, uint8_t length, uint8_t* data) {
+ // SEND_STRING("\n");
+ // send_word(start);
+ // SEND_STRING(": ");
+ // Don't store the header
+ int16_t pos = start - 4;
+ for (uint8_t place = 0; place < length; place++) {
+ // send_byte(*data);
+ if (pos >= 0) {
+ if (*data == 0xF7) {
+ // SEND_STRING("\nRD: ");
+ // for (uint8_t i = 0; i < start + place + 1; i++){
+ // send_byte(midi_buffer[i]);
+ // SEND_STRING(" ");
+ // }
+ const unsigned decoded_length = sysex_decoded_length(pos);
+ uint8_t decoded[API_SYSEX_MAX_SIZE];
+ sysex_decode(decoded, midi_buffer, pos);
+ process_api(decoded_length, decoded);
+ return;
+ } else if (pos >= MIDI_SYSEX_BUFFER) {
+ return;
+ }
+ midi_buffer[pos] = *data;
+ }
+ // SEND_STRING(" ");
+ data++;
+ pos++;
+ }
}
#endif
void midi_init(void);
-void setup_midi(void)
-{
+void setup_midi(void) {
#ifdef MIDI_ADVANCED
- midi_init();
+ midi_init();
#endif
- midi_device_init(&midi_device);
- midi_device_set_send_func(&midi_device, usb_send_func);
- midi_device_set_pre_input_process_func(&midi_device, usb_get_midi);
- midi_register_fallthrough_callback(&midi_device, fallthrough_callback);
- midi_register_cc_callback(&midi_device, cc_callback);
+ midi_device_init(&midi_device);
+ midi_device_set_send_func(&midi_device, usb_send_func);
+ midi_device_set_pre_input_process_func(&midi_device, usb_get_midi);
+ midi_register_fallthrough_callback(&midi_device, fallthrough_callback);
+ midi_register_cc_callback(&midi_device, cc_callback);
#ifdef API_SYSEX_ENABLE
- midi_register_sysex_callback(&midi_device, sysex_callback);
+ midi_register_sysex_callback(&midi_device, sysex_callback);
#endif
}
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