initial

code/main.c

@@ -0,0 +1,69 @@
+#include <avr/io.h>
+#include <stdint.h>
+#include <util/delay.h>
+
+void ADC_init(void) {
+    // Enable ADC and set the reference voltage to AVDD
+    ADC1.CTRLA = ADC_ENABLE_bm;      // Enable ADC
+    ADC1.CTRLC |= ADC_REFSEL_VDDREF_gc; // Reference voltage selection
+    ADC1.CTRLC |= ADC_PRESC_DIV256_gc; // Prescaler
+}
+
+uint16_t ADC_read(uint8_t channel) {
+    // Select the ADC channel
+    ADC1.MUXPOS = channel;
+    
+    // Start the conversion
+    ADC1.COMMAND |= ADC_STCONV_bm;
+    
+    // Wait for conversion to complete
+    while (!(ADC1.INTFLAGS & ADC_RESRDY_bm));
+    
+    //// Clear the interrupt flag
+    //ADC0.CH0.INTFLAGS = ADC_CH_CHIF_bm;
+    
+    // Read the result
+    return ADC1.RES; // Return the 12-bit result
+}
+
+int main(void){
+    PORTB.DIRSET = 1 << 1;
+    PORTB.DIRSET = 1 << 2;
+    PORTB.DIRSET = 1 << 3;
+
+    PORTA.PIN4CTRL |= PORT_PULLUPEN_bm;
+    ADC_init();
+
+    uint8_t suck = 0;
+    uint16_t cooldown = 0;
+    while(1){
+        suck = !(PORTA.IN & (1<<4));
+        if(suck){
+            static uint8_t timer = 0;
+            static uint16_t duty = 0;
+
+            if(timer == 0)
+                duty = (ADC_read(6)/4);
+
+            PORTB.OUTSET = 1 << 1;
+            PORTB.OUTCLR = 1 << 3;
+            if(++timer > duty){
+                PORTB.OUTSET = 1 << 2;
+            }
+            else{
+                PORTB.OUTCLR = 1 << 2;
+            }
+            cooldown=10000;
+        }
+        else {
+            PORTB.OUTCLR = 1 << 1;
+            PORTB.OUTCLR = 1 << 2;
+            if(cooldown > 0){
+                cooldown--;
+                PORTB.OUTSET = 1 << 3;
+            }
+            else
+                PORTB.OUTCLR = 1 << 3;
+        }
+    }
+}