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Config management mode, to send/receive config via usb midi sysex

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This commit is contained in:
John Stäck 2019-07-29 15:44:43 +02:00
parent db4e4ac2f7
commit 2741ff5a27
8 changed files with 316 additions and 28 deletions
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26
NuEVI/midi.cpp
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@ -141,6 +141,7 @@ void dinMIDIsendProgramChange(uint8_t value, uint8_t ch) {
midiSend2B((0xC0 | ch), value);
}
// Send sysex commands to wireless module
void dinMIDIsendSysex(const uint8_t data[], const uint8_t length) {
MIDI_SERIAL.write(0xF0); //Sysex command
for(int i=0; i<length; ++i) {
@ -149,7 +150,6 @@ void dinMIDIsendSysex(const uint8_t data[], const uint8_t length) {
MIDI_SERIAL.write(0xF7); //Sysex end
}
void sendWLPower(const uint8_t level) {
uint8_t buf[6] = {
0x00, 0x21, 0x11, //Manufacturer id
@ -165,7 +165,6 @@ void sendWLPower(const uint8_t level) {
}
void sendWLChannel(const uint8_t channel) {
uint8_t buf[6] = {
0x00, 0x21, 0x11, //Manufacturer id
@ -180,3 +179,26 @@ void sendWLChannel(const uint8_t channel) {
dinMIDIsendSysex(buf, 6);
}
//Translate between "midi data" (only use 7 LSB per byte, big endian) and "teensy data" (little endian)
//Only 14 LSB of int value are used (2MSB are discarded), so only works for unsigned data 0-16383
//NOTE: This assumes code is running on a little-endian CPU, both for real device (Teensy) and simulator.
uint16_t midi16to14(uint16_t realdata) {
return (realdata & 0x3F80) >>7 | (realdata & 0x007F) <<8;
}
uint16_t midi14to16(uint16_t mididata) {
return (mididata & 0x7F00) >> 8 | (mididata & 0x007F) <<7 ;
}
//This is a bit different. MSB of each byte is just discarded (instead of discarding MSB for whole value). Just used for CRC (easier to compare)
uint32_t midi32to28(uint32_t realdata) {
uint8_t* p = (uint8_t*)&realdata;
uint32_t r=0;
for(int i=0; i<4; ++i) {
r = r<<8 | (p[i] & 0x7F);
}
return r;
}