376 lines
8.0 KiB
C
376 lines
8.0 KiB
C
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/*
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* tranzport 0.1 <tranzport.sf.net>
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* oct 18, 2005
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* arthur@artcmusic.com
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <malloc.h>
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#define VENDORID 0x165b
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#define PRODUCTID 0x8101
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#define READ_ENDPOINT 0x81
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#define WRITE_ENDPOINT 0x02
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enum {
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LIGHT_RECORD = 0,
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LIGHT_TRACKREC,
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LIGHT_TRACKMUTE,
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LIGHT_TRACKSOLO,
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LIGHT_ANYSOLO,
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LIGHT_LOOP,
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LIGHT_PUNCH
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};
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#define BUTTONMASK_BATTERY 0x00004000
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#define BUTTONMASK_BACKLIGHT 0x00008000
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#define BUTTONMASK_TRACKLEFT 0x04000000
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#define BUTTONMASK_TRACKRIGHT 0x40000000
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#define BUTTONMASK_TRACKREC 0x00040000
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#define BUTTONMASK_TRACKMUTE 0x00400000
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#define BUTTONMASK_TRACKSOLO 0x00000400
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#define BUTTONMASK_UNDO 0x80000000
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#define BUTTONMASK_IN 0x02000000
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#define BUTTONMASK_OUT 0x20000000
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#define BUTTONMASK_PUNCH 0x00800000
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#define BUTTONMASK_LOOP 0x00080000
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#define BUTTONMASK_PREV 0x00020000
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#define BUTTONMASK_ADD 0x00200000
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#define BUTTONMASK_NEXT 0x00000200
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#define BUTTONMASK_REWIND 0x01000000
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#define BUTTONMASK_FASTFORWARD 0x10000000
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#define BUTTONMASK_STOP 0x00010000
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#define BUTTONMASK_PLAY 0x00100000
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#define BUTTONMASK_RECORD 0x00000100
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#define BUTTONMASK_SHIFT 0x08000000
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#define STATUS_OFFLINE 0xff
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#define STATUS_ONLINE 0x01
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#define STATUS_OK 0x00
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struct tranzport_s {
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int *dev;
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int udev;
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};
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typedef struct tranzport_s tranzport_t;
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void log_entry(FILE *fp, char *format, va_list ap)
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{
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vfprintf(fp, format, ap);
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fputc('\n', fp);
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}
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void log_error(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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log_entry(stderr, format, ap);
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va_end(ap);
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}
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void vlog_error(char *format, va_list ap)
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{
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log_entry(stderr, format, ap);
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}
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void die(char *format, ...)
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{
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va_list ap;
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va_start(ap, format);
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vlog_error(format, ap);
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va_end(ap);
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exit(1);
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}
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tranzport_t *open_tranzport_core()
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{
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tranzport_t *z;
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int val;
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z = malloc(sizeof(tranzport_t));
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if (!z)
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die("not enough memory");
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memset(z, 0, sizeof(tranzport_t));
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z->udev = open("/dev/tranzport0",O_RDWR);
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if (z->udev < 1)
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die("unable to open tranzport");
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return z;
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}
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tranzport_t *open_tranzport()
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{
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return open_tranzport_core();
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}
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void close_tranzport(tranzport_t *z)
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{
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int val;
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val = close(z->udev);
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if (val < 0)
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log_error("unable to release tranzport");
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free(z);
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}
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int tranzport_write_core(tranzport_t *z, uint8_t *cmd, int timeout)
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{
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int val;
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val = write(z->udev, cmd, 8);
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if (val < 0)
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return val;
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if (val != 8)
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return -1;
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return 0;
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}
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int tranzport_lcdwrite(tranzport_t *z, uint8_t cell, char *text, int timeout)
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{
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uint8_t cmd[8];
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if (cell > 9) {
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return -1;
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}
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cmd[0] = 0x00;
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cmd[1] = 0x01;
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cmd[2] = cell;
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cmd[3] = text[0];
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cmd[4] = text[1];
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cmd[5] = text[2];
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cmd[6] = text[3];
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cmd[7] = 0x00;
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return tranzport_write_core(z, cmd, timeout);
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}
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int tranzport_lighton(tranzport_t *z, uint8_t light, int timeout)
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{
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uint8_t cmd[8];
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cmd[0] = 0x00;
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cmd[1] = 0x00;
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cmd[2] = light;
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cmd[3] = 0x01;
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cmd[4] = 0x00;
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cmd[5] = 0x00;
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cmd[6] = 0x00;
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cmd[7] = 0x00;
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return tranzport_write_core(z, &cmd[0], timeout);
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}
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int tranzport_lightoff(tranzport_t *z, uint8_t light, int timeout)
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{
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uint8_t cmd[8];
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cmd[0] = 0x00;
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cmd[1] = 0x00;
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cmd[2] = light;
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cmd[3] = 0x00;
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cmd[4] = 0x00;
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cmd[5] = 0x00;
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cmd[6] = 0x00;
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cmd[7] = 0x00;
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return tranzport_write_core(z, &cmd[0], timeout);
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}
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int tranzport_read(tranzport_t *z, uint8_t *status, uint32_t *buttons, uint8_t *datawheel, int timeout)
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{
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uint8_t buf[8];
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int val;
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memset(buf, 0xff, 8);
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val = read(z->udev, buf, 8);
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if (val < 0) {
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printf("errno: %d\n",errno);
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switch(errno) {
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case ENOENT: ;
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case ECONNRESET: ;
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case ESHUTDOWN: printf("dying\n"); exit(1); break;
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}
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return val;
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}
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if (val != 8)
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return -1;
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/*printf("read: %02x %02x %02x %02x %02x %02x %02x %02x\n", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);*/
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*status = buf[1];
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*buttons = 0;
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*buttons |= buf[2] << 24;
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*buttons |= buf[3] << 16;
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*buttons |= buf[4] << 8;
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*buttons |= buf[5];
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*datawheel = buf[6];
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return 0;
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}
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void lights_core(tranzport_t *z, uint32_t buttons, uint32_t buttonmask, uint8_t light)
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{
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if (buttons & buttonmask) {
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if (buttons & BUTTONMASK_SHIFT) {
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tranzport_lightoff(z, light, 10);
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} else {
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tranzport_lighton(z, light, 10);
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}
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}
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}
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void do_lights(tranzport_t *z, uint32_t buttons)
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{
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lights_core(z, buttons, BUTTONMASK_RECORD, LIGHT_RECORD);
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lights_core(z, buttons, BUTTONMASK_TRACKREC, LIGHT_TRACKREC);
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lights_core(z, buttons, BUTTONMASK_TRACKMUTE, LIGHT_TRACKMUTE);
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lights_core(z, buttons, BUTTONMASK_TRACKSOLO, LIGHT_TRACKSOLO);
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lights_core(z, buttons, BUTTONMASK_TRACKSOLO, LIGHT_ANYSOLO);
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lights_core(z, buttons, BUTTONMASK_PUNCH, LIGHT_PUNCH);
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lights_core(z, buttons, BUTTONMASK_LOOP, LIGHT_LOOP);
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}
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void buttons_core(tranzport_t *z, uint32_t buttons, uint32_t buttonmask, char *str)
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{
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if (buttons & buttonmask)
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printf(" %s", str);
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}
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void do_buttons(tranzport_t *z, uint32_t buttons, uint8_t datawheel)
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{
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printf("buttons: %x ", buttons);
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buttons_core(z, buttons, BUTTONMASK_BATTERY, "battery");
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buttons_core(z, buttons, BUTTONMASK_BACKLIGHT, "backlight");
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buttons_core(z, buttons, BUTTONMASK_TRACKLEFT, "trackleft");
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buttons_core(z, buttons, BUTTONMASK_TRACKRIGHT, "trackright");
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buttons_core(z, buttons, BUTTONMASK_TRACKREC, "trackrec");
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buttons_core(z, buttons, BUTTONMASK_TRACKMUTE, "trackmute");
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buttons_core(z, buttons, BUTTONMASK_TRACKSOLO, "tracksolo");
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buttons_core(z, buttons, BUTTONMASK_UNDO, "undo");
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buttons_core(z, buttons, BUTTONMASK_IN, "in");
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buttons_core(z, buttons, BUTTONMASK_OUT, "out");
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buttons_core(z, buttons, BUTTONMASK_PUNCH, "punch");
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buttons_core(z, buttons, BUTTONMASK_LOOP, "loop");
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buttons_core(z, buttons, BUTTONMASK_PREV, "prev");
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buttons_core(z, buttons, BUTTONMASK_ADD, "add");
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buttons_core(z, buttons, BUTTONMASK_NEXT, "next");
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buttons_core(z, buttons, BUTTONMASK_REWIND, "rewind");
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buttons_core(z, buttons, BUTTONMASK_FASTFORWARD, "fastforward");
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buttons_core(z, buttons, BUTTONMASK_STOP, "stop");
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buttons_core(z, buttons, BUTTONMASK_PLAY, "play");
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buttons_core(z, buttons, BUTTONMASK_RECORD, "record");
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buttons_core(z, buttons, BUTTONMASK_SHIFT, "shift");
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if (datawheel)
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printf(" datawheel=%02x", datawheel);
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printf("\n");
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}
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void do_lcd(tranzport_t *z)
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{
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tranzport_lcdwrite(z, 0, " ", 10);
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tranzport_lcdwrite(z, 1, "DISL", 10);
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tranzport_lcdwrite(z, 2, "EXIA", 10);
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tranzport_lcdwrite(z, 3, " FOR", 10);
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tranzport_lcdwrite(z, 4, " ", 10);
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tranzport_lcdwrite(z, 5, " ", 10);
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tranzport_lcdwrite(z, 6, " CUR", 10);
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tranzport_lcdwrite(z, 7, "E FO", 10);
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tranzport_lcdwrite(z, 8, "UND ", 10);
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tranzport_lcdwrite(z, 9, " ", 10);
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}
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void do_lcd2(tranzport_t *z)
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{
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tranzport_lcdwrite(z, 0, "THE ", 10);
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tranzport_lcdwrite(z, 1, "TRAN", 10);
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tranzport_lcdwrite(z, 2, "ZPOR", 10);
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tranzport_lcdwrite(z, 3, "T RO", 10);
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tranzport_lcdwrite(z, 4, " KS", 10);
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tranzport_lcdwrite(z, 5, "AWES", 10);
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tranzport_lcdwrite(z, 6, "OMEE", 10);
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tranzport_lcdwrite(z, 7, "LEEE", 10);
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tranzport_lcdwrite(z, 8, "UND ", 10);
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tranzport_lcdwrite(z, 9, "GROK", 10);
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}
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int lights_off(tranzport_t *z) {
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static int i = 0;
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int j = 0;
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for(;j<2; j++,i = (i+1) % 7) {
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tranzport_lightoff(z, i, 10);
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}
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return 0;
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}
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int lights_on(tranzport_t *z) {
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static int i = 0;
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int j = 0;
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for(;j<2; j++,i = (i+1) % 7) {
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tranzport_lighton(z, i, 10);
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}
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return 0;
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}
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int main()
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{
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tranzport_t *z;
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uint8_t status;
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uint32_t buttons;
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uint8_t datawheel;
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int val;
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z = open_tranzport();
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do_lcd(z);
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for(;;) {
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// do_lcd(z);
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lights_on(z);
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// do_lcd2(z);
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val = tranzport_read(z, &status, &buttons, &datawheel, 60000);
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if (val < 0)
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continue;
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if (status == STATUS_OFFLINE) {
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printf("offline: ");
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continue;
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}
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if (status == STATUS_ONLINE) {
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printf("online: ");
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do_lcd(z);
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}
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if (status == STATUS_OK) {
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printf("OK: ");
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do_lcd(z);
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}
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// do_lights(z, buttons);
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do_buttons(z, buttons, datawheel);
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lights_off(z);
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}
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close_tranzport(z);
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return 0;
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}
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