Combined mux.c and buttons.c to input.c

input.c

@@ -0,0 +1,47 @@
+#include <hardware/adc.h>
+#include <hardware/gpio.h>
+#include <pico/stdlib.h>
+#include <pico/time.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "const.h"
+
+#include "input.h"
+
+bool is_toggle[BUTTON_COUNT] = { false };
+bool btn_prev[BUTTON_COUNT] = { false };
+
+void set_mux_addr(uint8_t addr) {
+        gpio_put(MUX_S0, addr & 1);
+        gpio_put(MUX_S1, (addr >> 1) & 1);
+        gpio_put(MUX_S2, (addr >> 2) & 1);
+}
+
+void update_inputs(input_t* input) {
+	// Pots
+	for (uint8_t i = 0; i < 8; i++) {
+		set_mux_addr(i);
+		for (uint8_t j = 0; j < 2; j++) {
+			adc_select_input(j);
+			sleep_us(20); // Let multiplexers multiplex
+			uint16_t val = adc_read();
+			if (val > 5) input->pots[i + j * 8] = (float)val;
+		}
+	}
+	
+	// Buttons
+	for (uint8_t i = 0; i < BUTTON_COUNT; i++) {
+		bool btn_curr = gpio_get(BUTTON_BASE + i);
+
+		if (btn_curr == true && btn_prev[i] == false) {
+			if (is_toggle[i]) input->buttons[i] = !input->buttons[i];
+		}
+
+		if (!is_toggle[i]) input->buttons[i] = btn_curr;
+
+		btn_prev[i] = btn_curr;
+		sleep_ms(1); // Why don't you bounce on this dihh
+	}
+}
+