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Diffstat (limited to 'tmk_core/protocol/midi/midi.c')
-rw-r--r--[-rwxr-xr-x]tmk_core/protocol/midi/midi.c344
1 files changed, 124 insertions, 220 deletions
diff --git a/tmk_core/protocol/midi/midi.c b/tmk_core/protocol/midi/midi.c
index 11a589078c..643c43722d 100755..100644
--- a/tmk_core/protocol/midi/midi.c
+++ b/tmk_core/protocol/midi/midi.c
@@ -1,277 +1,181 @@
-//midi for embedded chips,
-//Copyright 2010 Alex Norman
+// midi for embedded chips,
+// Copyright 2010 Alex Norman
//
-//This file is part of avr-midi.
+// This file is part of avr-midi.
//
-//avr-midi is free software: you can redistribute it and/or modify
-//it under the terms of the GNU General Public License as published by
-//the Free Software Foundation, either version 3 of the License, or
+// avr-midi is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
//(at your option) any later version.
//
-//avr-midi is distributed in the hope that it will be useful,
-//but WITHOUT ANY WARRANTY; without even the implied warranty of
-//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-//GNU General Public License for more details.
+// avr-midi is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
//
-//You should have received a copy of the GNU General Public License
-//along with avr-midi. If not, see <http://www.gnu.org/licenses/>.
+// You should have received a copy of the GNU General Public License
+// along with avr-midi. If not, see <http://www.gnu.org/licenses/>.
#include "midi.h"
-#include <string.h> //for memcpy
+#include <string.h> //for memcpy
-#define MIN(x,y) (((x) < (y)) ? (x) : (y))
+#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#ifndef NULL
-#define NULL 0
+# define NULL 0
#endif
-bool midi_is_statusbyte(uint8_t theByte){
- return (bool)(theByte & MIDI_STATUSMASK);
-}
+bool midi_is_statusbyte(uint8_t theByte) { return (bool)(theByte & MIDI_STATUSMASK); }
-bool midi_is_realtime(uint8_t theByte){
- return (theByte >= MIDI_CLOCK);
-}
+bool midi_is_realtime(uint8_t theByte) { return (theByte >= MIDI_CLOCK); }
-midi_packet_length_t midi_packet_length(uint8_t status){
- switch(status & 0xF0){
- case MIDI_CC:
- case MIDI_NOTEON:
- case MIDI_NOTEOFF:
- case MIDI_AFTERTOUCH:
- case MIDI_PITCHBEND:
- return THREE;
- case MIDI_PROGCHANGE:
- case MIDI_CHANPRESSURE:
- case MIDI_SONGSELECT:
- return TWO;
- case 0xF0:
- switch(status) {
- case MIDI_CLOCK:
- case MIDI_TICK:
- case MIDI_START:
- case MIDI_CONTINUE:
- case MIDI_STOP:
- case MIDI_ACTIVESENSE:
- case MIDI_RESET:
- case MIDI_TUNEREQUEST:
- return ONE;
- case MIDI_SONGPOSITION:
- return THREE;
- case MIDI_TC_QUARTERFRAME:
- case MIDI_SONGSELECT:
- return TWO;
- case SYSEX_END:
- case SYSEX_BEGIN:
- default:
- return UNDEFINED;
- }
- default:
- return UNDEFINED;
- }
+midi_packet_length_t midi_packet_length(uint8_t status) {
+ switch (status & 0xF0) {
+ case MIDI_CC:
+ case MIDI_NOTEON:
+ case MIDI_NOTEOFF:
+ case MIDI_AFTERTOUCH:
+ case MIDI_PITCHBEND:
+ return THREE;
+ case MIDI_PROGCHANGE:
+ case MIDI_CHANPRESSURE:
+ case MIDI_SONGSELECT:
+ return TWO;
+ case 0xF0:
+ switch (status) {
+ case MIDI_CLOCK:
+ case MIDI_TICK:
+ case MIDI_START:
+ case MIDI_CONTINUE:
+ case MIDI_STOP:
+ case MIDI_ACTIVESENSE:
+ case MIDI_RESET:
+ case MIDI_TUNEREQUEST:
+ return ONE;
+ case MIDI_SONGPOSITION:
+ return THREE;
+ case MIDI_TC_QUARTERFRAME:
+ case MIDI_SONGSELECT:
+ return TWO;
+ case SYSEX_END:
+ case SYSEX_BEGIN:
+ default:
+ return UNDEFINED;
+ }
+ default:
+ return UNDEFINED;
+ }
}
-void midi_send_cc(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t val){
- //CC Status: 0xB0 to 0xBF where the low nibble is the MIDI channel.
- //CC Data: Controller Num, Controller Val
- device->send_func(device, 3,
- MIDI_CC | (chan & MIDI_CHANMASK),
- num & 0x7F,
- val & 0x7F);
+void midi_send_cc(MidiDevice* device, uint8_t chan, uint8_t num, uint8_t val) {
+ // CC Status: 0xB0 to 0xBF where the low nibble is the MIDI channel.
+ // CC Data: Controller Num, Controller Val
+ device->send_func(device, 3, MIDI_CC | (chan & MIDI_CHANMASK), num & 0x7F, val & 0x7F);
}
-void midi_send_noteon(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel){
- //Note Data: Note Num, Note Velocity
- device->send_func(device, 3,
- MIDI_NOTEON | (chan & MIDI_CHANMASK),
- num & 0x7F,
- vel & 0x7F);
+void midi_send_noteon(MidiDevice* device, uint8_t chan, uint8_t num, uint8_t vel) {
+ // Note Data: Note Num, Note Velocity
+ device->send_func(device, 3, MIDI_NOTEON | (chan & MIDI_CHANMASK), num & 0x7F, vel & 0x7F);
}
-void midi_send_noteoff(MidiDevice * device, uint8_t chan, uint8_t num, uint8_t vel){
- //Note Data: Note Num, Note Velocity
- device->send_func(device, 3,
- MIDI_NOTEOFF | (chan & MIDI_CHANMASK),
- num & 0x7F,
- vel & 0x7F);
+void midi_send_noteoff(MidiDevice* device, uint8_t chan, uint8_t num, uint8_t vel) {
+ // Note Data: Note Num, Note Velocity
+ device->send_func(device, 3, MIDI_NOTEOFF | (chan & MIDI_CHANMASK), num & 0x7F, vel & 0x7F);
}
-void midi_send_aftertouch(MidiDevice * device, uint8_t chan, uint8_t note_num, uint8_t amt){
- device->send_func(device, 3,
- MIDI_AFTERTOUCH | (chan & MIDI_CHANMASK),
- note_num & 0x7F,
- amt & 0x7F);
-}
+void midi_send_aftertouch(MidiDevice* device, uint8_t chan, uint8_t note_num, uint8_t amt) { device->send_func(device, 3, MIDI_AFTERTOUCH | (chan & MIDI_CHANMASK), note_num & 0x7F, amt & 0x7F); }
-//XXX does this work right?
-//amt in range -0x2000, 0x1fff
-//uAmt should be in range..
-//0x0000 to 0x3FFF
-void midi_send_pitchbend(MidiDevice * device, uint8_t chan, int16_t amt){
- uint16_t uAmt;
- //check range
- if(amt > 0x1fff){
- uAmt = 0x3FFF;
- } else if(amt < -0x2000){
- uAmt = 0;
- } else {
- uAmt = amt + 0x2000;
- }
- device->send_func(device, 3,
- MIDI_PITCHBEND | (chan & MIDI_CHANMASK),
- uAmt & 0x7F,
- (uAmt >> 7) & 0x7F);
+// XXX does this work right?
+// amt in range -0x2000, 0x1fff
+// uAmt should be in range..
+// 0x0000 to 0x3FFF
+void midi_send_pitchbend(MidiDevice* device, uint8_t chan, int16_t amt) {
+ uint16_t uAmt;
+ // check range
+ if (amt > 0x1fff) {
+ uAmt = 0x3FFF;
+ } else if (amt < -0x2000) {
+ uAmt = 0;
+ } else {
+ uAmt = amt + 0x2000;
+ }
+ device->send_func(device, 3, MIDI_PITCHBEND | (chan & MIDI_CHANMASK), uAmt & 0x7F, (uAmt >> 7) & 0x7F);
}
-void midi_send_programchange(MidiDevice * device, uint8_t chan, uint8_t num){
- device->send_func(device, 2,
- MIDI_PROGCHANGE | (chan & MIDI_CHANMASK),
- num & 0x7F,
- 0);
-}
+void midi_send_programchange(MidiDevice* device, uint8_t chan, uint8_t num) { device->send_func(device, 2, MIDI_PROGCHANGE | (chan & MIDI_CHANMASK), num & 0x7F, 0); }
-void midi_send_channelpressure(MidiDevice * device, uint8_t chan, uint8_t amt){
- device->send_func(device, 2,
- MIDI_CHANPRESSURE | (chan & MIDI_CHANMASK),
- amt & 0x7F,
- 0);
-}
+void midi_send_channelpressure(MidiDevice* device, uint8_t chan, uint8_t amt) { device->send_func(device, 2, MIDI_CHANPRESSURE | (chan & MIDI_CHANMASK), amt & 0x7F, 0); }
-void midi_send_clock(MidiDevice * device){
- device->send_func(device, 1, MIDI_CLOCK, 0, 0);
-}
+void midi_send_clock(MidiDevice* device) { device->send_func(device, 1, MIDI_CLOCK, 0, 0); }
-void midi_send_tick(MidiDevice * device){
- device->send_func(device, 1, MIDI_TICK, 0, 0);
-}
+void midi_send_tick(MidiDevice* device) { device->send_func(device, 1, MIDI_TICK, 0, 0); }
-void midi_send_start(MidiDevice * device){
- device->send_func(device, 1, MIDI_START, 0, 0);
-}
+void midi_send_start(MidiDevice* device) { device->send_func(device, 1, MIDI_START, 0, 0); }
-void midi_send_continue(MidiDevice * device){
- device->send_func(device, 1, MIDI_CONTINUE, 0, 0);
-}
+void midi_send_continue(MidiDevice* device) { device->send_func(device, 1, MIDI_CONTINUE, 0, 0); }
-void midi_send_stop(MidiDevice * device){
- device->send_func(device, 1, MIDI_STOP, 0, 0);
-}
-
-void midi_send_activesense(MidiDevice * device){
- device->send_func(device, 1, MIDI_ACTIVESENSE, 0, 0);
-}
+void midi_send_stop(MidiDevice* device) { device->send_func(device, 1, MIDI_STOP, 0, 0); }
-void midi_send_reset(MidiDevice * device){
- device->send_func(device, 1, MIDI_RESET, 0, 0);
-}
+void midi_send_activesense(MidiDevice* device) { device->send_func(device, 1, MIDI_ACTIVESENSE, 0, 0); }
-void midi_send_tcquarterframe(MidiDevice * device, uint8_t time){
- device->send_func(device, 2,
- MIDI_TC_QUARTERFRAME,
- time & 0x7F,
- 0);
-}
+void midi_send_reset(MidiDevice* device) { device->send_func(device, 1, MIDI_RESET, 0, 0); }
-//XXX is this right?
-void midi_send_songposition(MidiDevice * device, uint16_t pos){
- device->send_func(device, 3,
- MIDI_SONGPOSITION,
- pos & 0x7F,
- (pos >> 7) & 0x7F);
-}
+void midi_send_tcquarterframe(MidiDevice* device, uint8_t time) { device->send_func(device, 2, MIDI_TC_QUARTERFRAME, time & 0x7F, 0); }
-void midi_send_songselect(MidiDevice * device, uint8_t song){
- device->send_func(device, 2,
- MIDI_SONGSELECT,
- song & 0x7F,
- 0);
-}
+// XXX is this right?
+void midi_send_songposition(MidiDevice* device, uint16_t pos) { device->send_func(device, 3, MIDI_SONGPOSITION, pos & 0x7F, (pos >> 7) & 0x7F); }
-void midi_send_tunerequest(MidiDevice * device){
- device->send_func(device, 1, MIDI_TUNEREQUEST, 0, 0);
-}
+void midi_send_songselect(MidiDevice* device, uint8_t song) { device->send_func(device, 2, MIDI_SONGSELECT, song & 0x7F, 0); }
-void midi_send_byte(MidiDevice * device, uint8_t b){
- device->send_func(device, 1, b, 0, 0);
-}
+void midi_send_tunerequest(MidiDevice* device) { device->send_func(device, 1, MIDI_TUNEREQUEST, 0, 0); }
-void midi_send_data(MidiDevice * device, uint16_t count, uint8_t byte0, uint8_t byte1, uint8_t byte2){
- //ensure that the count passed along is always 3 or lower
- if (count > 3) {
- //TODO how to do this correctly?
- }
- device->send_func(device, count, byte0, byte1, byte2);
-}
+void midi_send_byte(MidiDevice* device, uint8_t b) { device->send_func(device, 1, b, 0, 0); }
-void midi_send_array(MidiDevice * device, uint16_t count, uint8_t * array) {
- uint16_t i;
- for (i = 0; i < count; i += 3) {
- uint8_t b[3] = { 0, 0, 0 };
- uint16_t to_send = count - i;
- to_send = (to_send > 3) ? 3 : to_send;
- memcpy(b, array + i, to_send);
- midi_send_data(device, to_send, b[0], b[1], b[2]);
- }
+void midi_send_data(MidiDevice* device, uint16_t count, uint8_t byte0, uint8_t byte1, uint8_t byte2) {
+ // ensure that the count passed along is always 3 or lower
+ if (count > 3) {
+ // TODO how to do this correctly?
+ }
+ device->send_func(device, count, byte0, byte1, byte2);
}
-
-void midi_register_cc_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_cc_callback = func;
+void midi_send_array(MidiDevice* device, uint16_t count, uint8_t* array) {
+ uint16_t i;
+ for (i = 0; i < count; i += 3) {
+ uint8_t b[3] = {0, 0, 0};
+ uint16_t to_send = count - i;
+ to_send = (to_send > 3) ? 3 : to_send;
+ memcpy(b, array + i, to_send);
+ midi_send_data(device, to_send, b[0], b[1], b[2]);
+ }
}
-void midi_register_noteon_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_noteon_callback = func;
-}
+void midi_register_cc_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_cc_callback = func; }
-void midi_register_noteoff_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_noteoff_callback = func;
-}
+void midi_register_noteon_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_noteon_callback = func; }
-void midi_register_aftertouch_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_aftertouch_callback = func;
-}
+void midi_register_noteoff_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_noteoff_callback = func; }
-void midi_register_pitchbend_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_pitchbend_callback = func;
-}
+void midi_register_aftertouch_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_aftertouch_callback = func; }
-void midi_register_songposition_callback(MidiDevice * device, midi_three_byte_func_t func){
- device->input_songposition_callback = func;
-}
+void midi_register_pitchbend_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_pitchbend_callback = func; }
-void midi_register_progchange_callback(MidiDevice * device, midi_two_byte_func_t func) {
- device->input_progchange_callback = func;
-}
+void midi_register_songposition_callback(MidiDevice* device, midi_three_byte_func_t func) { device->input_songposition_callback = func; }
-void midi_register_chanpressure_callback(MidiDevice * device, midi_two_byte_func_t func) {
- device->input_chanpressure_callback = func;
-}
+void midi_register_progchange_callback(MidiDevice* device, midi_two_byte_func_t func) { device->input_progchange_callback = func; }
-void midi_register_songselect_callback(MidiDevice * device, midi_two_byte_func_t func) {
- device->input_songselect_callback = func;
-}
+void midi_register_chanpressure_callback(MidiDevice* device, midi_two_byte_func_t func) { device->input_chanpressure_callback = func; }
-void midi_register_tc_quarterframe_callback(MidiDevice * device, midi_two_byte_func_t func) {
- device->input_tc_quarterframe_callback = func;
-}
+void midi_register_songselect_callback(MidiDevice* device, midi_two_byte_func_t func) { device->input_songselect_callback = func; }
-void midi_register_realtime_callback(MidiDevice * device, midi_one_byte_func_t func){
- device->input_realtime_callback = func;
-}
+void midi_register_tc_quarterframe_callback(MidiDevice* device, midi_two_byte_func_t func) { device->input_tc_quarterframe_callback = func; }
-void midi_register_tunerequest_callback(MidiDevice * device, midi_one_byte_func_t func){
- device->input_tunerequest_callback = func;
-}
+void midi_register_realtime_callback(MidiDevice* device, midi_one_byte_func_t func) { device->input_realtime_callback = func; }
-void midi_register_sysex_callback(MidiDevice * device, midi_sysex_func_t func) {
- device->input_sysex_callback = func;
-}
+void midi_register_tunerequest_callback(MidiDevice* device, midi_one_byte_func_t func) { device->input_tunerequest_callback = func; }
-void midi_register_fallthrough_callback(MidiDevice * device, midi_var_byte_func_t func){
- device->input_fallthrough_callback = func;
-}
+void midi_register_sysex_callback(MidiDevice* device, midi_sysex_func_t func) { device->input_sysex_callback = func; }
-void midi_register_catchall_callback(MidiDevice * device, midi_var_byte_func_t func){
- device->input_catchall_callback = func;
-}
+void midi_register_fallthrough_callback(MidiDevice* device, midi_var_byte_func_t func) { device->input_fallthrough_callback = func; }
+void midi_register_catchall_callback(MidiDevice* device, midi_var_byte_func_t func) { device->input_catchall_callback = func; }
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