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//
// Programmer: Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Tue Dec 22 20:12:18 PST 1998
// Last Modified: Tue Dec 22 20:12:23 PST 1998
// Filename: insimple.c
// Syntax: C; pthread
// $Smake: gcc -O3 -Wall -o %b %f -static -lpthread && strip %b
//
#include <sys/soundcard.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#define MIDI_DEVICE "/dev/sequencer"
int main(void) {
unsigned char inpacket[4];
// first open the sequencer device for reading.
int seqfd = open(MIDI_DEVICE, O_RDONLY);
if (seqfd == -1) {
printf("Error: cannot open %s\n", MIDI_DEVICE);
exit(1);
}
// now just wait around for MIDI bytes to arrive and print them to screen.
while (1) {
read(seqfd, &inpacket, sizeof(inpacket));
// print the MIDI byte if this input packet contains one
if (inpacket[0] == SEQ_MIDIPUTC) {
printf("received MIDI byte: %d\n", inpacket[1]);
}
}
return 0;
}
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