jct/ledcontroller-3bit
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base: jct:98a5539dca0ecf73bc00495ba3a9f58b18a6c6ec
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jct:v0.2.1 jct:v0.2 jct:v0.1.1 jct:v0.1
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compare: jct:1ded64275f38ad602b4192e2b62039d811b5e792
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2 Commits
98a5539dca ... 1ded64275f

Author SHA1 Message Date
Jens True
1ded64275f Generic cleanup
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2019-04-01 10:45:25 +02:00
Jens True
4fe12dfc27 K&R style 2019-04-01 10:40:05 +02:00
2 changed files with 51 additions and 71 deletions
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4
README.md
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@ -1,3 +1,4 @@
[![Build Status](https://build.jcktrue.dk/api/badges/jct/ledcontroller-3bit/status.svg)](https://build.jcktrue.dk/jct/ledcontroller-3bit)
# ledcontroller-3bit # # ledcontroller-3bit #
A Linux command line utility to control usb mail notifiers identified as: A Linux command line utility to control usb mail notifiers identified as:
@ -27,9 +28,8 @@ For example the script `mled-cputemp` will make it respond to your CPU's tempera
$ sudo rm /usr/bin/ledcontroller $ sudo rm /usr/bin/ledcontroller
### Have fun: ### ### Have fun ###
Take a look inside the _scripts_ directory.
## Requisites: ## ## Requisites: ##

70
main.c
View File

@ -51,13 +51,11 @@
static struct libusb_device_handle *devh = NULL; static struct libusb_device_handle *devh = NULL;
int int main(int argc, char **argv)
main (int argc, char **argv)
{ {
int ret; int ret;
unsigned char code = 0; unsigned char code = 0;
if (argc != 2) if (argc != 2) {
{
printf printf
("Syntax: %s blue | red | green | aqua | purple | yellow | white | off\n", ("Syntax: %s blue | red | green | aqua | purple | yellow | white | off\n",
argv[0]); argv[0]);
@ -84,55 +82,37 @@ main (int argc, char **argv)
1 1 0 yellow 0x6 (more of a mustard - green color) 1 1 0 yellow 0x6 (more of a mustard - green color)
1 1 1 white 0x7 (a very blue-ish white) 1 1 1 white 0x7 (a very blue-ish white)
*/ */
if (strcmp (argv[1], "blue") == 0) if (strcmp(argv[1], "blue") == 0) {
{
code = 1; code = 1;
} } else if (strcmp(argv[1], "red") == 0) {
else if (strcmp (argv[1], "red") == 0)
{
code = 2; code = 2;
} } else if (strcmp(argv[1], "green") == 0) {
else if (strcmp (argv[1], "green") == 0)
{
code = 3; code = 3;
} } else if (strcmp(argv[1], "aqua") == 0) {
else if (strcmp (argv[1], "aqua") == 0)
{
code = 4; code = 4;
} } else if (strcmp(argv[1], "purple") == 0) {
else if (strcmp (argv[1], "purple") == 0)
{
code = 5; code = 5;
} } else if (strcmp(argv[1], "yellow") == 0) {
else if (strcmp (argv[1], "yellow") == 0)
{
code = 6; code = 6;
} } else if (strcmp(argv[1], "white") == 0) {
else if (strcmp (argv[1], "white") == 0)
{
code = 7; code = 7;
} } else {
else puts("Invalid color");
{
printf ("invalid color\n");
return -1; return -1;
} }
libusb_init (NULL); libusb_init(NULL);
devh = libusb_open_device_with_vid_pid (NULL, VID, PID); devh = libusb_open_device_with_vid_pid(NULL, VID, PID);
if (devh == NULL) if (devh == NULL) {
{ puts("Device not found");
printf ("not found\n");
return -1; return -1;
} }
if (libusb_kernel_driver_active (devh, 0)) if (libusb_kernel_driver_active(devh, 0)) {
{ puts("Detach driver from kernel");
printf ("detach from kernel\n"); ret = libusb_detach_kernel_driver(devh, 0);
ret = libusb_detach_kernel_driver (devh, 0); if (ret < 0) {
if (ret < 0) puts("Could not detach driver");
{
printf ("can't detach\n");
return -1; return -1;
} }
} }
@ -145,11 +125,11 @@ main (int argc, char **argv)
data[4] = 0x4; data[4] = 0x4;
int dummy; int dummy;
libusb_claim_interface (devh, 0); libusb_claim_interface(devh, 0);
ret = libusb_interrupt_transfer (devh, 0x2, data, 5, &dummy, 0); ret = libusb_interrupt_transfer(devh, 0x2, data, 5, &dummy, 0);
if (ret < 0) if (ret < 0) {
{ perror("libusb error");
perror ("error"); return -1;
} }