forked from Apple-2-HW/Apple_II_Keyboard
98 lines
2.1 KiB
C++
98 lines
2.1 KiB
C++
/*
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*******************************************************************************
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* USB-MIDI dump utility
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* Copyright (C) 2013-2017 Yuuichi Akagawa
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*
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* for use with USB Host Shield 2.0 from Circuitsathome.com
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* https://github.com/felis/USB_Host_Shield_2.0
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*
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* This is sample program. Do not expect perfect behavior.
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*******************************************************************************
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*/
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#include <usbh_midi.h>
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#include <usbhub.h>
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// Satisfy the IDE, which needs to see the include statment in the ino too.
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#ifdef dobogusinclude
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#include <spi4teensy3.h>
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#endif
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#include <SPI.h>
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USB Usb;
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//USBHub Hub(&Usb);
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USBH_MIDI Midi(&Usb);
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void MIDI_poll();
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void doDelay(uint32_t t1, uint32_t t2, uint32_t delayTime);
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boolean bFirst;
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uint16_t pid, vid;
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void setup()
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{
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bFirst = true;
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vid = pid = 0;
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Serial.begin(115200);
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if (Usb.Init() == -1) {
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while (1); //halt
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}//if (Usb.Init() == -1...
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delay( 200 );
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}
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void loop()
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{
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Usb.Task();
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//uint32_t t1 = (uint32_t)micros();
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if ( Usb.getUsbTaskState() == USB_STATE_RUNNING )
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{
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MIDI_poll();
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}
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//delay(1ms)
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//doDelay(t1, (uint32_t)micros(), 1000);
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}
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// Poll USB MIDI Controler and send to serial MIDI
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void MIDI_poll()
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{
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char buf[20];
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uint8_t bufMidi[64];
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uint16_t rcvd;
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if (Midi.vid != vid || Midi.pid != pid) {
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sprintf(buf, "VID:%04X, PID:%04X", Midi.vid, Midi.pid);
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Serial.println(buf);
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vid = Midi.vid;
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pid = Midi.pid;
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}
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if (Midi.RecvData( &rcvd, bufMidi) == 0 ) {
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uint32_t time = (uint32_t)millis();
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sprintf(buf, "%04X%04X: ", (uint16_t)(time >> 16), (uint16_t)(time & 0xFFFF)); // Split variable to prevent warnings on the ESP8266 platform
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Serial.print(buf);
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Serial.print(rcvd);
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Serial.print(':');
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for (int i = 0; i < 64; i++) {
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sprintf(buf, " %02X", bufMidi[i]);
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Serial.print(buf);
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}
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Serial.println("");
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}
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}
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// Delay time (max 16383 us)
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void doDelay(uint32_t t1, uint32_t t2, uint32_t delayTime)
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{
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uint32_t t3;
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if ( t1 > t2 ) {
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t3 = (0xFFFFFFFF - t1 + t2);
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} else {
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t3 = t2 - t1;
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}
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if ( t3 < delayTime ) {
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delayMicroseconds(delayTime - t3);
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}
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}
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