Semi-working alpha version
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commit
0d5f525502
259
steelseries-led.c
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259
steelseries-led.c
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#include <hidapi/hidapi.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#define BUFFER_SIZE 8
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#define COLOR_OFF 0
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#define COLOR_RED 1
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#define COLOR_ORANGE 2
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#define COLOR_YELLOW 3
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#define COLOR_GREEN 4
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#define COLOR_SKY 5
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#define COLOR_BLUE 6
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#define COLOR_PURPLE 7
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#define COLOR_WHITE 8
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#define LEVEL_LIGHT 3
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#define LEVEL_LOW 2
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#define LEVEL_MED 1
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#define LEVEL_HIGH 0
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#define MODE_NORMAL 1
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#define MODE_GAMING 2
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#define MODE_BREATHE 3
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#define MODE_DEMO 4
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#define MODE_WAVE 5
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#define REGION_LEFT 1
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#define REGION_MIDDLE 2
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#define REGION_RIGHT 3
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#define COMMAND_MODE 0
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#define COMMAND_SET 1
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#define COMMAND_HELP 2
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void printHelp()
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{
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printf("Usage: steelseries-led mode MODE\n");
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printf(" or: steelseries-led set REGION COLOR LEVEL\n");
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printf("Configure the lighting of a SteelSeries laptop keyboard.\n\n");
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printf("MODE can be one of the following:\n");
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printf("\tnormal\t\tSolid lighting for each of the three regions\n");
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printf("\tgaming\t\tOnly the left region is lit\n");
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printf("\tbreathe\t\tLighting fades in and out\n");
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printf("\tdemo\t\tCycles between various colors and modes\n");
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printf("\twave\t\tColors flow from left to right\n\n");
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printf("REGION can be one of the following:\n");
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printf("\tleft\n");
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printf("\tright\n");
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printf("\tmiddle\n\n");
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printf("COLOR can be one of the following:\n");
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printf("\toff\n");
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printf("\tred\n");
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printf("\torange\n");
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printf("\tyellow\n");
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printf("\tgreen\n");
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printf("\tsky\n");
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printf("\tblue\n");
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printf("\tpurple\n");
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printf("\twhite\n\n");
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printf("LEVEL can be one of the following:\n");
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printf("\tlight\n");
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printf("\tlow\n");
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printf("\tmed\n");
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printf("\thigh\n\n");
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printf("Examples:\n");
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printf("\tsteelseries-led mode normal\n");
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printf("\t\tPuts the keyboard in normal mode.\n\n");
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printf("\tsteelseries-led set left blue high\n");
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printf("\t\tSets the left side of the keyboard to bright blue.\n\n");
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printf("\tsteelseries-led set middle off light\n");
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printf("\t\tTurns off the LEDs in the middle of the keyboard.\n");
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printf("\t\tThe last argument is irrelevant in this case.\n\n");
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printf("Report bugs to me@bradleylaboon.com\n");
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printf("Home page: <http://www.bradleylaboon.com/projects/steelseries-led/>\n");
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}
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int main(int argc, char** argv)
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{
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if (argc < 2) {
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fprintf(stderr, "Missing command.\n");
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 1;
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}
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// Get mode from arguments
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int command = -1;
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if (strcmp(argv[1], "mode") == 0)
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command = COMMAND_MODE;
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else if (strcmp(argv[1], "set") == 0)
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command = COMMAND_SET;
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else if (strcmp(argv[1], "help") == 0)
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command = COMMAND_HELP;
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if (command == -1) {
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fprintf(stderr, "Invalid command -- '%s'\n", argv[1]);
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 2;
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}
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unsigned char buffer[BUFFER_SIZE];
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for (int i = 0; i < BUFFER_SIZE; i++)
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buffer[i] = 0;
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// Populate buffer
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switch (command) {
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case COMMAND_MODE:
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if (argc < 3) {
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fprintf(stderr, "No mode specified.\n");
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 1;
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}
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// Get the mode argument
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int mode = -1;
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if (strcmp(argv[2], "normal") == 0)
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mode = MODE_NORMAL;
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else if (strcmp(argv[2], "gaming") == 0)
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mode = MODE_GAMING;
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else if (strcmp(argv[2], "breathe") == 0)
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mode = MODE_BREATHE;
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else if (strcmp(argv[2], "demo") == 0)
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mode = MODE_DEMO;
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else if (strcmp(argv[2], "wave") == 0)
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mode = MODE_WAVE;
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if (mode == -1) {
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fprintf(stderr, "Invalid mode -- '%s'\n", argv[2]);
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 2;
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}
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// Bytes for setting mode
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buffer[0] = 1;
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buffer[1] = 2;
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buffer[2] = 65; // Set mode
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buffer[3] = (unsigned char) mode;
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buffer[7] = 236; // End of request
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break;
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case COMMAND_SET:
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if (argc < 5) {
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fprintf(stderr, "Missing arguments for command 'set'.\n");
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 1;
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}
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// Get the region argument
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int region = -1;
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if (strcmp(argv[2], "left") == 0)
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region = REGION_LEFT;
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else if (strcmp(argv[2], "right") == 0)
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region = REGION_RIGHT;
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else if (strcmp(argv[2], "middle") == 0)
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region = REGION_MIDDLE;
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if (region == -1) {
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fprintf(stderr, "Invalid region -- '%s'\n", argv[2]);
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 2;
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}
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// Get the color argument
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int color = -1;
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if (strcmp(argv[3], "off") == 0)
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color = COLOR_OFF;
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else if (strcmp(argv[3], "red") == 0)
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color = COLOR_RED;
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else if (strcmp(argv[3], "orange") == 0)
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color = COLOR_ORANGE;
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else if (strcmp(argv[3], "yellow") == 0)
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color = COLOR_YELLOW;
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else if (strcmp(argv[3], "green") == 0)
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color = COLOR_GREEN;
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else if (strcmp(argv[3], "sky") == 0)
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color = COLOR_SKY;
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else if (strcmp(argv[3], "blue") == 0)
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color = COLOR_BLUE;
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else if (strcmp(argv[3], "purple") == 0)
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color = COLOR_PURPLE;
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else if (strcmp(argv[3], "white") == 0)
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color = COLOR_WHITE;
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if (color == -1) {
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fprintf(stderr, "Invalid color -- '%s'\n", argv[3]);
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 2;
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}
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// Get the level argument
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int level = -1;
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if (strcmp(argv[4], "light") == 0)
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level = LEVEL_LIGHT;
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else if (strcmp(argv[4], "low") == 0)
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level = LEVEL_LOW;
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else if (strcmp(argv[4], "med") == 0)
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level = LEVEL_MED;
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else if (strcmp(argv[4], "high") == 0)
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level = LEVEL_HIGH;
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if (level == -1) {
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fprintf(stderr, "Invalid level -- '%s'\n", argv[4]);
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fprintf(stderr, "Run 'steelseries-led help' for more information.\n");
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return 2;
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}
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// Bytes for setting the backlight
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buffer[0] = 1;
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buffer[1] = 2;
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buffer[2] = 66; // Set backlight
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buffer[3] = (unsigned char) region;
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buffer[4] = (unsigned char) color;
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buffer[5] = (unsigned char) level;
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buffer[7] = 236; // End of request
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break;
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case COMMAND_HELP:
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default:
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printHelp();
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return 0;
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}
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// Initialize HIDAPI library
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if (hid_init() == -1) {
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fprintf(stderr, "hid_init(): Couldn't initialize HIDAPI.\n");
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return 3;
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}
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// Open device
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hid_device *device = hid_open(0x1770, 0xff00, NULL);
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if (device == NULL) {
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fprintf(stderr, "hid_open(): Couldn't open device.\n");
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hid_exit();
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return 3;
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}
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// Send the data
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int retVal = 0;
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if (hid_send_feature_report(device, buffer, BUFFER_SIZE) == -1) {
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wchar_t *err = hid_error(device);
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if (err == NULL)
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err = L"Couldn't send data.";
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fprintf(stderr, "hid_send_feature_report(): %ls\n", err);
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retVal = 3;
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}
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// Close the device and finalize HIDAPI
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hid_close(device);
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hid_exit();
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return retVal;
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}
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