Added basic spectrum code

keymaps/default/keymap.c

@@ -1,15 +1,90 @@
 #include "keymap.h"
-#include "layers.h"
-#include "tapdance.h"
 
-#include "raw_hid.h"
+
+// -1 => skip
+int8_t col_to_array[10][5] = {
+	{ 47, 43, 38, 33, 28 },
+	{ 46, 42, 37, 32, 27 },
+	{ 45, 41, 36, 31, 26 },
+	{ 44, 40, 35, 30, 25 },
+	{ -1, 39, 34, 29, 24 },
+	{ -1, 15, 10,  5,  0 },
+	{ 20, 16, 11,  6,  1 },
+	{ 21, 17, 12,  7,  2 },
+	{ 22, 18, 13,  8,  3 },
+	{ 23, 19, 14,  9,  4 }
+};
+
+void cmd_animation(uint8_t *data, uint8_t length) {
+	uint8_t subcmd = data[1];
+
+
+	switch (subcmd) {
+		case 0x02: // Data input (fft)
+
+			for (uint8_t i = 0; i < DRIVER_LED_TOTAL; i++) {
+				// Turn off all LEDs
+				rgb_matrix_set_color(
+					i,
+					0x00, 0x00, 0x00
+				);
+			}
+
+			for (uint8_t bin = 0; bin < 10; bin++) {
+				uint8_t d = data[bin + 2];
+				uint8_t bin_height = d / 20;
+				uint8_t last_brightness = ((d % 20)/20.0) * 0xFF;
+
+
+				if (bin_height == 0) {
+					continue;
+				}
+
+				for (uint8_t i = 0; i < bin_height; i++) {
+					if (col_to_array[bin][i] < 0) {
+						continue;
+					}
+					if (i == bin_height - 1) {
+						rgb_matrix_set_color(
+							col_to_array[bin][i],
+							last_brightness, 0x00, last_brightness
+						);
+					} else {
+						rgb_matrix_set_color(
+							col_to_array[bin][i],
+							0x00, 0x00, 0xFF
+						);
+					}
+				}
+			}
+			break;
+	}
+}
 
 void raw_hid_receive(uint8_t *data, uint8_t length) {
+	uint8_t cmd = data[0];
+
+	switch (cmd) {
+		case 0x01: // animation
+			cmd_animation(data, length);
+			break;
+
+
+		default:
+			break;
+	}
+
+	/*
 	raw_hid_send(data, length);
 
 	ergodox_right_led_1_on();
-	_delay_ms(50);
+	_delay_ms(10);
 	ergodox_right_led_1_off();
+
+	i2c_start(0x14, ERGODOX_EZ_I2C_TIMEOUT);
+	i2c_write(0, ERGODOX_EZ_I2C_TIMEOUT);
+	i2c_stop();
+	*/
 }
 
 // Define custom keys