added command to get actual LED values

firmware/keyboard.c

@@ -21,11 +21,18 @@
 #define CMD_IEEREAD 8 // int. eep.
 #define CMD_SETBLOCK 9
 #define CMD_SETLED 10
+#define CMD_GETLED 11
+#define CMD_SETBRIGHTNESS 12
+#define CMD_GETBRIGHTNESS 13
 
 #define IEE_ADDR_DEFAULT_BRIGHTNESS 0
 #define IEE_ADDR_DEFAULT_BLOCK 4
 
+#define BLOCKCODE_RERENDER 254
+#define BLOCKCODE_RELOAD 253
+
 volatile int change_block = 255;
+volatile uint8_t brightness = 1;
 
 const uint8_t PROGMEM gamma8[] = {
         0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
@@ -49,7 +56,7 @@ const uint8_t PROGMEM gammaBright[] = {
         0,    1,  2,    3,   6,  10,  14,
         18,  26,  31,  38,  46,  54,  66,
         76,  89, 104, 128, 150, 180, 240,
-        250, 280, 340};
+        290, 400, 500};
 
 struct cRGB led[LEDS_PER_SLOT];
 
@@ -103,12 +110,26 @@ USB_PUBLIC uchar usbFunctionSetup(uchar data[8])
 		change_block = rq->wValue.bytes[0];
 		return 0;
 	}
+	else if (rq->bRequest == CMD_SETBRIGHTNESS) {
+		brightness = rq->wValue.bytes[0];
+		return 0;
+	}
+	else if(rq->bRequest == CMD_GETBRIGHTNESS) {
+		reportBuffer[0] = brightness;
+		return 1;
+	}
 	else if (rq->bRequest == CMD_SETLED) {
 		led[rq->wValue.bytes[0]].r = rq->wValue.bytes[1];
 		led[rq->wValue.bytes[0]].g = rq->wIndex.bytes[0];
 		led[rq->wValue.bytes[0]].b = rq->wIndex.bytes[1];
 		return 0;
 	}
+	else if (rq->bRequest == CMD_GETLED) {
+		reportBuffer[0] = led[rq->wValue.bytes[0]].r;
+		reportBuffer[1] = led[rq->wValue.bytes[0]].g;
+		reportBuffer[2] = led[rq->wValue.bytes[0]].b;
+		return 3;
+	}
 	return 0;
 }
 
@@ -126,7 +147,6 @@ void keyboard(void) {
 	enum enum_state next_state = IDLE;
 	uint8_t i;
 	uint16_t factor = 1;
-	uint8_t brightness = 1;
 	uint8_t key = 0;
 	uint16_t loadAddress;
 	uint16_t loadCount;
@@ -177,10 +197,12 @@ void keyboard(void) {
 		switch (state) {
 		case IDLE:
 			if (change_block != 255) {
-				if (change_block == 254) {
+				if (change_block == BLOCKCODE_RERENDER) {
 					state = RENDER;
 					next_state = IDLE;
 				} else {
+					if (change_block = BLOCKCODE_RELOAD)
+						change_block = current_block;
 					loadAddress_ld = (change_block) * LEDS_PER_SLOT * 3;
 					state = PREP_LOAD;
 					next_state = IDLE;
@@ -194,7 +216,8 @@ void keyboard(void) {
 						brightness = (brightness <= 0 ? 0 : brightness - 1);
 						break;
 					case KEY_BRIGHTNESS_DOWN:
-						brightness = (brightness >= 21 ? 21 : brightness + 1);
+						brightness = (brightness >= sizeof(gammaBright) - 3 ? /* No idea why -3... */
+						                      sizeof(gammaBright) - 3 : brightness + 1);
 						break;
 					case KEY_SF_1:
 						break;