73 lines
1.5 KiB
C++
73 lines
1.5 KiB
C++
#include "board.hpp"
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#include "midix.hpp"
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#include "sysex.hpp"
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#include <avrstuff/serial_avrdx.hpp>
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#include <avrstuff/spi_avrdx.hpp>
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#include <avr/interrupt.h>
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#include <avr/pgmspace.h>
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#include <assert.h>
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#include <string.h>
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static ringbuf<struct midi_message, 4> midi_q;
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static serial_avrdx<2, 8> usbmidi_usart;
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static midix midi(usbmidi_usart, midi_q);
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// Plan: main pulls from an event queue. Events are generated from the MIDI
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// receive vectors as well as from other sources (e.g. timers to implement
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// portamento), in close to raw MIDI format via a struct. "Proprietary"
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// commands are sent as a SysEx message with an ASCII command string. There is
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// one global SysEx buffer per MIDI receiver, so a second message may not be
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// sent until the acknowledge is received.
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int main(void)
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{
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board_pins_init();
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board_peripherals_init();
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usbmidi_usart.set_baud(31250);
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usbmidi_usart.start(true, true, 'N', false);
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sei();
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spi_avrdx<0> hspi;
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hspi.init(spi_avrdx<0>::clockdiv::div2, true, 0);
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usbmidi_usart.rxcie(true);
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for (;;)
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{
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char info[64];
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struct midi_message m;
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if (!midi_q.pop(m))
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continue;
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uint8_t cmd = MIDI_CMD(m.command);
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uint8_t chan = MIDI_CMD_CHAN(m.command);
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if (cmd == MIDI_ICMD_SYSEX)
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{
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sysex_handle(&m);
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m.source->sysex_release_buffer(m.content);
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}
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else
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{
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}
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}
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}
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void operator delete(void * p, unsigned int sz)
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{
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assert(false && "ouch!");
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for(;;);
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}
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ISR(USART2_DRE_vect)
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{
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midi.dre();
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}
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ISR(USART2_RXC_vect)
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{
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midi.rxc();
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}
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