42/42_EXT_03_42chips
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m05e00 done

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hugogogo
2025-03-13 18:42:34 +01:00
parent 7ca02352d9
commit 00bcdb1a79
4 changed files with 18 additions and 15 deletions
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11
module05/ex00/main.c
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@@ -1,6 +1,11 @@
#include "header.h"
void int_to_hex_string(uint64_t value, char *out, uint8_t num_digits) {
// 1.1.7 : AVCC is the supply voltage pin for the A/D Converter, PC3:0, and ADC7:6
// 1.1.8 : AREF is the analog reference pin for the A/D Converter
#define ADC_PRESCALER 8
void int_to_hex_string(uint64_t value, char *out, uint8_t num_digits) { // num_digits : number of digit of the output, ex 2 for 3FF (1023) -> FF
for (uint8_t i = 0; i < num_digits; ++i) {
uint8_t shift = (num_digits - 1 - i) * 4;
out[i] = INT_TO_HEX_CHAR((value >> shift) & 0x0F);
@@ -10,10 +15,10 @@ void int_to_hex_string(uint64_t value, char *out, uint8_t num_digits) {
// description
int main() {
const char buffer[4];
char buffer[4];
SREG |= ENABLE_GLOBAL_INTERRUPT; // 7.3.1 : Status Register, bit 7 : I – Global Interrupt Enable
uart_init();
adc_init();
adc_init(ADC_PRESCALER);
while(1) {
uint16_t value = adc_read(0); // Read from ADC0 (A0)