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Handle receiving of sysex conig data

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This commit is contained in:
John Stäck 2019-08-04 10:51:48 +02:00
parent 72b305830f
commit 1cdface168
5 changed files with 124 additions and 24 deletions
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86
simulation/src/simusbmidi.cpp
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@ -8,7 +8,6 @@
* Stub simulation of Teensy usbMidi
*/
void SimUsbMidi::sendNoteOff(uint8_t note, uint8_t velocity, uint8_t channel, uint8_t __unused cable)
{
printf( "[usbMIDI::noteOff] note %03d vel %03d ch %02d\n", note, velocity, channel);
@ -54,16 +53,93 @@ void SimUsbMidi::sendSysEx(uint16_t length, const uint8_t __unused *data, bool _
printf( "[usbMIDI::sysEx] len %d\n", length);
}
//Set a low chunk size on purpose just to let the receiver work for it
#define MIDI_SYSEX_CHUNK_SIZE 32
/* Test data for config mode
//Carefully crafted config command chunk to send via midi
static const uint8_t midimessage[] = {
0xf0, //Sysex start
0x00, 0x3e, 0x7f, //Vendor
'N', 'u', 'E', 'V', 'I', //header
'c', '0', '2', //message code
0, 102, //length
//Payload
0x00, 0x20, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, //00
0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x06, 0x07, //08
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //10
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //18
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //20
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //28
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //30
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //38
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //40
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //48
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //50
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //58
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, //60
0x2a, 0x11, 0x32, 0x5a, //crc32
0xf7 //sysex end marker
};
static bool midisent = false;
//On first midi read, send a message
bool SimUsbMidi::read(uint8_t __unused channel) {
if(!midisent) {
this->receiveMidiData(midimessage, sizeof(midimessage));
midisent=true;
}
return false;
}
*/
bool SimUsbMidi::read(uint8_t __unused channel) {
return false;
}
//Regular sysex handler
void SimUsbMidi::setHandleSystemExclusive(__unused void (*fptr) (const uint8_t *array, uint8_t size)) {
//Provide midi data for simulation to receive
void SimUsbMidi::receiveMidiData(const uint8_t *data, const uint16_t length) {
if(this->usb_midi_handleSysExPartial) {
//Chunked sysex receiver set, use that.
if(length<=MIDI_SYSEX_CHUNK_SIZE) {
//Send all in one go
printf( "[SimUsbMidi::receiveMidiData] usb_midi_handleSysExPartial(complete) %d B\n", length);
(this->usb_midi_handleSysExPartial)(data, length, true);
} else {
uint8_t* buf = (uint8_t*)malloc(MIDI_SYSEX_CHUNK_SIZE);
int pos=0;
while(pos<length) {
int remaining = length-pos;
int bytesToSend = min(remaining, MIDI_SYSEX_CHUNK_SIZE);
bool complete = (bytesToSend == remaining);
memcpy(buf, data+pos, bytesToSend);
printf( "[SimUsbMidi::receiveMidiData] usb_midi_handleSysExPartial(complete: %d) %d B\n", complete, bytesToSend);
(this->usb_midi_handleSysExPartial)(buf, bytesToSend, complete);
pos=pos+bytesToSend;
}
free(buf);
}
} else if(this->usb_midi_handleSysExComplete) {
printf( "[SimUsbMidi::receiveMidiData] usb_midi_handleSysExComplete() %d B\n", length);
(this->usb_midi_handleSysExComplete)(data, length);
} else {
//Nobody listening
}
}
//Regular sysex handler. For some reason the data pointer is not const, but we'll set it as such to not be dumb.
void SimUsbMidi::setHandleSystemExclusive(void (*fptr) (const uint8_t *array, unsigned int size)) {
this->usb_midi_handleSysExComplete = fptr;
}
//"Chunked" sysex handler (teensy extension), for large messages
void SimUsbMidi::setHandleSystemExclusive(__unused void (*fptr) (const uint8_t *array, uint16_t size, bool last)) {
void SimUsbMidi::setHandleSystemExclusive(void (*fptr) (const uint8_t *array, uint16_t size, uint8_t last)) {
this->usb_midi_handleSysExPartial = fptr;
}