Old wave visualization is back.

Finally, the moment you all long awaited :)

CubeFirmware/visualizer.c

@@ -27,13 +27,19 @@
 #include <cube.h>
 #include <buffhelp.h>
 
+#define FACTOR 31   // 8 LEDs, Max Val 255:
+					// 256 / 8 = 32 => Divide by 31 (FACTOR) to get num of leds to light
+					// 255 / FACTOR = 8,...
+					// 127 / FACTOR = 4,...
+
 void simpleVisualization(uint8_t *data);
 void fullDepthVisualization(uint8_t *data);
+void horribleWave(uint8_t *audioData);
 
-#define NUMOFVISUALIZATIONS 2
+#define NUMOFVISUALIZATIONS 3
 
 void (*visualizations[NUMOFVISUALIZATIONS])(uint8_t *data) = { &simpleVisualization,
-													&fullDepthVisualization };
+													&fullDepthVisualization, &horribleWave };
 
 uint8_t numberOfVisualizations(void) {
 	return NUMOFVISUALIZATIONS;
@@ -47,7 +53,7 @@ void runVisualization(uint8_t *data, uint8_t id) {
 void simpleVUMeter(uint8_t *data, uint8_t *buff, uint8_t z) {
 	uint8_t i, h, max;
 	for(i = 0; i < 7; i++) {
-		max = data[i] / 31;
+		max = data[i] / FACTOR;
 		for (h = 0; h < max; h++) {
 			if (i == 0) {
 				buffSetPixel(buff, i, h / 2, z);
@@ -82,4 +88,97 @@ void fullDepthVisualization(uint8_t *data) {
 
 	setImage(buff);
 	buffFree(buff);
-}
+}
+
+void setPixelBuffer(uint8_t x, uint8_t y, uint8_t z, uint8_t *buf) {
+	buf[(8 * (7 - z)) + (7 - y)] |= (1 << x); // z is inverted for beauty reasons
+}
+
+void setRow(uint8_t x, uint8_t z, uint8_t height, uint8_t *buf) {
+	uint8_t i = 0;
+	for (; i < height; i++) {
+		setPixelBuffer(x, i, z, buf);
+	}
+}
+
+void horribleWave(uint8_t *audioData) {
+	uint8_t *imageData = buffNew();
+	
+	buffClearAllPixels(imageData);
+
+	// Could not figure out a way to represent this easily in a loop
+	// without using a shitload of 'if's...
+	setRow(0, 0, (audioData[0] / FACTOR), imageData);
+	setRow(0, 1, (audioData[0] / FACTOR), imageData);
+	setRow(1, 0, (audioData[0] / FACTOR), imageData);
+
+	setRow(0, 2, (audioData[1] / FACTOR), imageData);
+	setRow(0, 3, (audioData[1] / FACTOR), imageData);
+	setRow(1, 1, (audioData[1] / FACTOR), imageData);
+	setRow(1, 2, (audioData[1] / FACTOR), imageData);
+	setRow(2, 0, (audioData[1] / FACTOR), imageData);
+	setRow(2, 1, (audioData[1] / FACTOR), imageData);
+
+	setRow(0, 4, (audioData[2] / FACTOR), imageData);
+	setRow(0, 5, (audioData[2] / FACTOR), imageData);
+	setRow(1, 3, (audioData[2] / FACTOR), imageData);
+	setRow(1, 4, (audioData[2] / FACTOR), imageData);
+	setRow(2, 2, (audioData[2] / FACTOR), imageData);
+	setRow(2, 3, (audioData[2] / FACTOR), imageData);
+	setRow(3, 0, (audioData[2] / FACTOR), imageData);
+	setRow(3, 1, (audioData[2] / FACTOR), imageData);
+	setRow(3, 2, (audioData[2] / FACTOR), imageData);
+	setRow(4, 0, (audioData[2] / FACTOR), imageData);
+	setRow(4, 1, (audioData[2] / FACTOR), imageData);
+
+	setRow(0, 6, (audioData[3] / FACTOR), imageData);
+	setRow(0, 7, (audioData[3] / FACTOR), imageData);
+	setRow(1, 5, (audioData[3] / FACTOR), imageData);
+	setRow(1, 6, (audioData[3] / FACTOR), imageData);
+	setRow(2, 4, (audioData[3] / FACTOR), imageData);
+	setRow(2, 5, (audioData[3] / FACTOR), imageData);
+	setRow(3, 3, (audioData[3] / FACTOR), imageData);
+	setRow(3, 4, (audioData[3] / FACTOR), imageData);
+	setRow(4, 2, (audioData[3] / FACTOR), imageData);
+	setRow(4, 3, (audioData[3] / FACTOR), imageData);
+	setRow(5, 0, (audioData[3] / FACTOR), imageData);
+	setRow(5, 1, (audioData[3] / FACTOR), imageData);
+	setRow(5, 2, (audioData[3] / FACTOR), imageData);
+	setRow(6, 0, (audioData[3] / FACTOR), imageData);
+	setRow(6, 1, (audioData[3] / FACTOR), imageData);
+
+	setRow(1, 7, (audioData[4] / FACTOR), imageData);
+	setRow(2, 6, (audioData[4] / FACTOR), imageData);
+	setRow(2, 7, (audioData[4] / FACTOR), imageData);
+	setRow(3, 5, (audioData[4] / FACTOR), imageData);
+	setRow(3, 6, (audioData[4] / FACTOR), imageData);
+	setRow(4, 4, (audioData[4] / FACTOR), imageData);
+	setRow(4, 5, (audioData[4] / FACTOR), imageData);
+	setRow(5, 3, (audioData[4] / FACTOR), imageData);
+	setRow(5, 4, (audioData[4] / FACTOR), imageData);
+	setRow(6, 2, (audioData[4] / FACTOR), imageData);
+	setRow(6, 3, (audioData[4] / FACTOR), imageData);
+	setRow(7, 0, (audioData[4] / FACTOR), imageData);
+	setRow(7, 1, (audioData[4] / FACTOR), imageData);
+
+	setRow(3, 7, (audioData[5] / FACTOR), imageData);
+	setRow(4, 6, (audioData[5] / FACTOR), imageData);
+	setRow(4, 7, (audioData[5] / FACTOR), imageData);
+	setRow(5, 5, (audioData[5] / FACTOR), imageData);
+	setRow(5, 6, (audioData[5] / FACTOR), imageData);
+	setRow(6, 4, (audioData[5] / FACTOR), imageData);
+	setRow(6, 5, (audioData[5] / FACTOR), imageData);
+	setRow(7, 2, (audioData[5] / FACTOR), imageData);
+	setRow(7, 3, (audioData[5] / FACTOR), imageData);
+	setRow(7, 4, (audioData[5] / FACTOR), imageData);
+
+	setRow(5, 7, (audioData[6] / FACTOR), imageData);
+	setRow(6, 6, (audioData[6] / FACTOR), imageData);
+	setRow(6, 7, (audioData[6] / FACTOR), imageData);
+	setRow(7, 5, (audioData[6] / FACTOR), imageData);
+	setRow(7, 6, (audioData[6] / FACTOR), imageData);
+	setRow(7, 7, (audioData[6] / FACTOR), imageData);
+
+	setImage(imageData);
+	buffFree(imageData);
+}