diff options
Diffstat (limited to 'tmk_core/protocol/lufa/midi/midi_device.c')
-rwxr-xr-x | tmk_core/protocol/lufa/midi/midi_device.c | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/tmk_core/protocol/lufa/midi/midi_device.c b/tmk_core/protocol/lufa/midi/midi_device.c deleted file mode 100755 index 3215a007d..000000000 --- a/tmk_core/protocol/lufa/midi/midi_device.c +++ /dev/null @@ -1,291 +0,0 @@ -//midi for embedded chips, -//Copyright 2010 Alex Norman -// -//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 -//(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. -// -//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_device.h" -#include "midi.h" - -#ifndef NULL -#define NULL 0 -#endif - -//forward declarations, internally used to call the callbacks -void midi_input_callbacks(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2); -void midi_process_byte(MidiDevice * device, uint8_t input); - -void midi_device_init(MidiDevice * device){ - device->input_state = IDLE; - device->input_count = 0; - bytequeue_init(&device->input_queue, device->input_queue_data, MIDI_INPUT_QUEUE_LENGTH); - - //three byte funcs - device->input_cc_callback = NULL; - device->input_noteon_callback = NULL; - device->input_noteoff_callback = NULL; - device->input_aftertouch_callback = NULL; - device->input_pitchbend_callback = NULL; - device->input_songposition_callback = NULL; - - //two byte funcs - device->input_progchange_callback = NULL; - device->input_chanpressure_callback = NULL; - device->input_songselect_callback = NULL; - device->input_tc_quarterframe_callback = NULL; - - //one byte funcs - device->input_realtime_callback = NULL; - device->input_tunerequest_callback = NULL; - - //var byte functions - device->input_sysex_callback = NULL; - device->input_fallthrough_callback = NULL; - device->input_catchall_callback = NULL; - - device->pre_input_process_callback = NULL; -} - -void midi_device_input(MidiDevice * device, uint8_t cnt, uint8_t * input) { - uint8_t i; - for (i = 0; i < cnt; i++) - bytequeue_enqueue(&device->input_queue, input[i]); -} - -void midi_device_set_send_func(MidiDevice * device, midi_var_byte_func_t send_func){ - device->send_func = send_func; -} - -void midi_device_set_pre_input_process_func(MidiDevice * device, midi_no_byte_func_t pre_process_func){ - device->pre_input_process_callback = pre_process_func; -} - -void midi_device_process(MidiDevice * device) { - //call the pre_input_process_callback if there is one - if(device->pre_input_process_callback) - device->pre_input_process_callback(device); - - //pull stuff off the queue and process - byteQueueIndex_t len = bytequeue_length(&device->input_queue); - uint16_t i; - //TODO limit number of bytes processed? - for(i = 0; i < len; i++) { - uint8_t val = bytequeue_get(&device->input_queue, 0); - midi_process_byte(device, val); - bytequeue_remove(&device->input_queue, 1); - } -} - -void midi_process_byte(MidiDevice * device, uint8_t input) { - if (midi_is_realtime(input)) { - //call callback, store and restore state - input_state_t state = device->input_state; - device->input_state = ONE_BYTE_MESSAGE; - midi_input_callbacks(device, 1, input, 0, 0); - device->input_state = state; - } else if (midi_is_statusbyte(input)) { - //store the byte - if (device->input_state != SYSEX_MESSAGE) { - device->input_buffer[0] = input; - device->input_count = 1; - } - switch (midi_packet_length(input)) { - case ONE: - device->input_state = ONE_BYTE_MESSAGE;; - midi_input_callbacks(device, 1, input, 0, 0); - device->input_state = IDLE; - break; - case TWO: - device->input_state = TWO_BYTE_MESSAGE; - break; - case THREE: - device->input_state = THREE_BYTE_MESSAGE; - break; - case UNDEFINED: - switch(input) { - case SYSEX_BEGIN: - device->input_state = SYSEX_MESSAGE; - device->input_buffer[0] = input; - device->input_count = 1; - break; - case SYSEX_END: - //send what is left in the input buffer, set idle - device->input_buffer[device->input_count % 3] = input; - device->input_count += 1; - //call the callback - midi_input_callbacks(device, device->input_count, - device->input_buffer[0], device->input_buffer[1], device->input_buffer[2]); - device->input_state = IDLE; - break; - default: - device->input_state = IDLE; - device->input_count = 0; - } - - break; - default: - device->input_state = IDLE; - device->input_count = 0; - break; - } - } else { - if (device->input_state != IDLE) { - //store the byte - device->input_buffer[device->input_count % 3] = input; - //increment count - uint16_t prev = device->input_count; - device->input_count += 1; - - switch(prev % 3) { - case 2: - //call callback - midi_input_callbacks(device, device->input_count, - device->input_buffer[0], device->input_buffer[1], device->input_buffer[2]); - if (device->input_state != SYSEX_MESSAGE) { - //set to 1, keeping status byte, allowing for running status - device->input_count = 1; - } - break; - case 1: - if (device->input_state == TWO_BYTE_MESSAGE) { - //call callback - midi_input_callbacks(device, device->input_count, - device->input_buffer[0], device->input_buffer[1], 0); - if (device->input_state != SYSEX_MESSAGE) { - //set to 1, keeping status byte, allowing for running status - device->input_count = 1; - } - } - break; - case 0: - default: - //one byte messages are dealt with directly - break; - } - } - } -} - -void midi_input_callbacks(MidiDevice * device, uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2) { - //did we end up calling a callback? - bool called = false; - if (device->input_state == SYSEX_MESSAGE) { - if (device->input_sysex_callback) { - const uint16_t start = ((cnt - 1) / 3) * 3; - const uint8_t length = (cnt - start); - uint8_t data[3]; - data[0] = byte0; - data[1] = byte1; - data[2] = byte2; - device->input_sysex_callback(device, start, length, data); - called = true; - } - } else { - switch (cnt) { - case 3: - { - midi_three_byte_func_t func = NULL; - switch (byte0 & 0xF0) { - case MIDI_CC: - func = device->input_cc_callback; - break; - case MIDI_NOTEON: - func = device->input_noteon_callback; - break; - case MIDI_NOTEOFF: - func = device->input_noteoff_callback; - break; - case MIDI_AFTERTOUCH: - func = device->input_aftertouch_callback; - break; - case MIDI_PITCHBEND: - func = device->input_pitchbend_callback; - break; - case 0xF0: - if (byte0 == MIDI_SONGPOSITION) - func = device->input_songposition_callback; - break; - default: - break; - } - if(func) { - //mask off the channel for non song position functions - if (byte0 == MIDI_SONGPOSITION) - func(device, byte0, byte1, byte2); - else - func(device, byte0 & 0x0F, byte1, byte2); - called = true; - } - } - break; - case 2: - { - midi_two_byte_func_t func = NULL; - switch (byte0 & 0xF0) { - case MIDI_PROGCHANGE: - func = device->input_progchange_callback; - break; - case MIDI_CHANPRESSURE: - func = device->input_chanpressure_callback; - break; - case 0xF0: - if (byte0 == MIDI_SONGSELECT) - func = device->input_songselect_callback; - else if (byte0 == MIDI_TC_QUARTERFRAME) - func = device->input_tc_quarterframe_callback; - break; - default: - break; - } - if(func) { - //mask off the channel - if (byte0 == MIDI_SONGSELECT || byte0 == MIDI_TC_QUARTERFRAME) - func(device, byte0, byte1); - else - func(device, byte0 & 0x0F, byte1); - called = true; - } - } - break; - case 1: - { - midi_one_byte_func_t func = NULL; - if (midi_is_realtime(byte0)) - func = device->input_realtime_callback; - else if (byte0 == MIDI_TUNEREQUEST) - func = device->input_tunerequest_callback; - if (func) { - func(device, byte0); - called = true; - } - } - break; - default: - //just in case - if (cnt > 3) - cnt = 0; - break; - } - } - - //if there is fallthrough default callback and we haven't called a more specific one, - //call the fallthrough - if (!called && device->input_fallthrough_callback) - device->input_fallthrough_callback(device, cnt, byte0, byte1, byte2); - //always call the catch all if it exists - if (device->input_catchall_callback) - device->input_catchall_callback(device, cnt, byte0, byte1, byte2); -} - |