jct/ledcontroller-3bit
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Cleanup
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Jens True
2021-11-30 10:49:26 +00:00
parent 17040eeed4
commit 25a4be50ee
1 changed files with 29 additions and 25 deletions
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54
main.c
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@ -3,20 +3,20 @@
* ledcontroller-3bit * ledcontroller-3bit
* *
* This file is a fork of the LedController code. You will find * This file is a fork of the LedController code. You will find
* the original copyright notice below. * the original copyright notices below.
* *
* @copyright * @copyright
* Copyright (C) 2013 andmarios - http://www.andmarios.com * Copyright (C) 2013 andmarios - http://www.andmarios.com \n
* *
* This program is free software: you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version. \n
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details. \n
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
@ -26,17 +26,17 @@
* Original Copyright Notice: * Original Copyright Notice:
* *
* LedController * LedController
* Copyright (C) 2011 jmrobles - http://robleshermoso.wordpress.com * Copyright (C) 2011 jmrobles - http://robleshermoso.wordpress.com \n
* *
* This program is free software: you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.\n
* *
* This program is distributed in the hope that it will be useful, * This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.\n
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
@ -47,8 +47,9 @@
#include <errno.h> #include <errno.h>
#include <string.h> #include <string.h>
#define VID 0x1294 /**< USB Vendor ID */ #define USB_VID 0x1294 /**< USB Vendor ID */
#define PID 0x1320 /**< USB Product ID */ #define USB_PID 0x1320 /**< USB Product ID */
#define USB_EP 0x2 /**< USB EndPoint */
static struct libusb_device_handle *devh = NULL; static struct libusb_device_handle *devh = NULL;
/** /**
@ -73,43 +74,47 @@ static struct libusb_device_handle *devh = NULL;
* *
* @param argc POSIX number of parameters * @param argc POSIX number of parameters
* @param argv Array of parameters * @param argv Array of parameters
* @return Error color_code (0 on success)
*/ */
int main(int argc, char **argv) { int main(int argc, char **argv) {
int ret;
unsigned char code = 0;
if (argc != 2) if (argc != 2)
{ {
printf("Syntax: %s blue | red | green | aqua | purple | yellow | white | off\n", argv[0]); printf("Syntax: %s blue | red | green | aqua | purple | yellow | white | off\n", argv[0]);
return -1; return -1;
} }
if (strcmp(argv[1], "blue") == 0) unsigned char color_code = 0;
if (strcmp(argv[1], "off") == 0)
{ {
code = 1; color_code = 0;
}
else if (strcmp(argv[1], "blue") == 0)
{
color_code = 1;
} }
else if (strcmp(argv[1], "red") == 0) else if (strcmp(argv[1], "red") == 0)
{ {
code = 2; color_code = 2;
} }
else if (strcmp(argv[1], "green") == 0) else if (strcmp(argv[1], "green") == 0)
{ {
code = 3; color_code = 3;
} }
else if (strcmp(argv[1], "aqua") == 0) else if (strcmp(argv[1], "aqua") == 0)
{ {
code = 4; color_code = 4;
} }
else if (strcmp(argv[1], "purple") == 0) else if (strcmp(argv[1], "purple") == 0)
{ {
code = 5; color_code = 5;
} }
else if (strcmp(argv[1], "yellow") == 0) else if (strcmp(argv[1], "yellow") == 0)
{ {
code = 6; color_code = 6;
} }
else if (strcmp(argv[1], "white") == 0) else if (strcmp(argv[1], "white") == 0)
{ {
code = 7; color_code = 7;
} }
else else
{ {
@ -118,7 +123,7 @@ int main(int argc, char **argv) {
} }
libusb_init(NULL); libusb_init(NULL);
devh = libusb_open_device_with_vid_pid(NULL, VID, PID); devh = libusb_open_device_with_vid_pid(NULL, USB_VID, USB_PID);
if (devh == NULL) if (devh == NULL)
{ {
puts("Device not found"); puts("Device not found");
@ -128,7 +133,7 @@ int main(int argc, char **argv) {
if (libusb_kernel_driver_active(devh, 0)) if (libusb_kernel_driver_active(devh, 0))
{ {
puts("Detach driver from kernel"); puts("Detach driver from kernel");
ret = libusb_detach_kernel_driver(devh, 0); int ret = libusb_detach_kernel_driver(devh, 0);
if (ret < 0) if (ret < 0)
{ {
puts("Could not detach driver"); puts("Could not detach driver");
@ -137,15 +142,14 @@ int main(int argc, char **argv) {
} }
char data[5]; char data[5];
data[0] = code; data[0] = color_code;
data[1] = 0x4; data[1] = 0x4;
data[2] = 0x4; data[2] = 0x4;
data[3] = 0x4; data[3] = 0x4;
data[4] = 0x4; data[4] = 0x4;
int dummy;
libusb_claim_interface(devh, 0); libusb_claim_interface(devh, 0);
ret = libusb_interrupt_transfer(devh, 0x2, data, 5, &dummy, 0); int ret = libusb_interrupt_transfer(devh, USB_EP, data, 5, NULL, 0);
if (ret < 0) if (ret < 0)
{ {
perror("libusb error"); perror("libusb error");