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wernermisc/labsw/tool/labsw.c
2011-09-06 04:21:36 -03:00

143 lines
3.0 KiB
C

/*
* tool/labsw.c - LABSW control tool
*
* Written 2011 by Werner Almesberger
* Copyright 2011 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <usb.h>
#include "f32xbase/usb.h"
#include "labsw/ep0.h"
#include "labsw/usb-id.h"
#define FROM_DEV LABSW_FROM_DEV(0)
#define TO_DEV LABSW_TO_DEV(0)
#define BUF_SIZE 256
static void identify_labsw(usb_dev_handle *dev)
{
const struct usb_device *device = usb_device(dev);
uint8_t ids[3];
char buf[BUF_SIZE+1]; /* +1 for terminating \0 */
int res;
printf("%04x:%04x ",
device->descriptor.idVendor, device->descriptor.idProduct);
res = usb_control_msg(dev, FROM_DEV, LABSW_ID, 0, 0,
(char *) ids, sizeof(ids), 1000);
if (res < 0) {
fprintf(stderr, "LABSW_ID: %s\n", usb_strerror());
exit(1);
}
printf("protocol %u.%u hw %u\n", ids[0], ids[1], ids[2]);
res = usb_control_msg(dev, FROM_DEV, LABSW_BUILD, 0, 0,
buf, sizeof(buf), 1000);
if (res < 0) {
fprintf(stderr, "LABSW_BUILD: %s\n", usb_strerror());
exit(1);
}
buf[res] = 0;
printf("%10s%s\n", "", buf);
}
static void set(usb_dev_handle *dev, uint16_t value, uint16_t mask)
{
int res;
res = usb_control_msg(dev, TO_DEV, LABSW_SET, value, mask,
NULL, 0, 1000);
if (res < 0) {
fprintf(stderr, "LABSW_SET: %s\n", usb_strerror());
exit(1);
}
}
#define ON_BITS(ch) \
(LABSW_CH##ch##_RELAY | LABSW_CH##ch##_OPT | LABSW_CH##ch##_R)
#define OFF_BITS(ch) LABSW_CH##ch##_G
#define CHAN_MASK(ch) (ON_BITS(ch) | OFF_BITS(ch))
#define REMOTE_BITS LABSW_MAIN_R
#define REMOTE_MASK (LABSW_MAIN_R | LABSW_MAIN_G)
#define SET_CHAN(ch, on) \
set(dev, (on ? ON_BITS(ch) : OFF_BITS(ch)) | REMOTE_BITS, \
CHAN_MASK(ch) | REMOTE_MASK)
static void query(usb_dev_handle *dev)
{
uint8_t buf[2];
int res;
res = usb_control_msg(dev, FROM_DEV, LABSW_GET, 0, 0,
(char *) buf, sizeof(buf), 1000);
if (res < 0) {
fprintf(stderr, "LABSW_GET: %s\n", usb_strerror());
exit(1);
}
if (res != 2) {
fprintf(stderr, "LABSW_GET: expected %u, got %d\n",
(unsigned) sizeof(buf), res);
exit(1);
}
printf("%u %u\n", buf[0], buf[1]);
}
int main(int argc, char **argv)
{
usb_dev_handle *dev;
int i;
dev = open_usb(USB_VENDOR, USB_PRODUCT);
if (!dev) {
fprintf(stderr, ":-(\n");
return 1;
}
if (argc == 1) {
identify_labsw(dev);
return 0;
}
for (i = 1; i != argc; i++) {
if (!strcmp(argv[i], "ch1=0"))
SET_CHAN(1, 0);
else if (!strcmp(argv[i], "ch1=1"))
SET_CHAN(1, 1);
else if (!strcmp(argv[i], "ch2=0"))
SET_CHAN(2, 0);
else if (!strcmp(argv[i], "ch2=1"))
SET_CHAN(2, 1);
else if (!strcmp(argv[i], "query"))
query(dev);
else if (!strcmp(argv[i], "local"))
set(dev, 0, 0);
else {
fprintf(stderr, "unrecognized command \"%s\"\n",
argv[i]);
exit(1);
}
}
return 0;
}