jct/ledcontroller-3bit
1
0
Fork 0
Code Pull Requests Releases 3 Activity

Basic code formatting
All checks were successful
continuous-integration/drone/push Build is passing
Details

Browse Source
This commit is contained in:
Jens True
2019-04-01 10:37:42 +02:00
parent 4243b39b1f
commit 98a5539dca
1 changed files with 75 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

145
main.c
View File

@ -51,16 +51,19 @@
static struct libusb_device_handle *devh = NULL; static struct libusb_device_handle *devh = NULL;
int main(int argc,char** argv) int
main (int argc, char **argv)
{ {
int ret; int ret;
unsigned char code = 0; 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
return -1; ("Syntax: %s blue | red | green | aqua | purple | yellow | white | off\n",
argv[0]);
return -1;
} }
/* /*
The device has a RGB LED, which has two states for each "sub-LED", The device has a RGB LED, which has two states for each "sub-LED",
@ -81,72 +84,74 @@ int 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 { }
printf("invalid color\n"); else
return -1; {
} printf ("invalid color\n");
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)
{ {
printf("not found\n"); printf ("not found\n");
return -1; return -1;
} }
if ( libusb_kernel_driver_active(devh,0) ) if (libusb_kernel_driver_active (devh, 0))
{ {
printf("detach from kernel\n"); 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)
{ {
printf("can't detach\n"); printf ("can't detach\n");
return -1; return -1;
} }
} }
char data[5]; char data[5];
data[0] = code; data[0] = 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; 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("error"); perror ("error");
} }
return 0; return 0;
} }