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livetrax/libs/surfaces/frontier/kernel_drivers/tests/tranzport.c
Paul Davis 449aab3c46 rollback to 3428, before the mysterious removal of libs/* at 3431/3432 
git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-06-02 21:41:35 +00:00

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