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