mikrokontrollersystemer-pro.../prosjekt.X/main.c
2024-03-06 15:49:48 +01:00

100 lines
2.1 KiB
C

/*
* File: main.c
* Author: Sebastian H. Gabrielli
*
* Created on March 6, 2024, 12:34 PM
*/
/*
* File: main.c
* Author: athamantis
*
* Created on 01 March 2024, 10:34
*/
#include "eeprom.h"
#include <avr/io.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define F_CPU 4E6
#include <util/delay.h>
#include <avr/eeprom.h>
#include <stdbool.h>
#define USART3_BAUD_RATE(BAUD_RATE) ((float)(F_CPU * 64 / (16 *(float) BAUD_RATE)) + 0.5)
#include <string.h>
// Init UART comunication
void USART3_init(void) {
// Enable resiver pin
PORTB.DIR &= ~PIN1_bm;
// Enable sender pin
PORTB.DIR |= PIN0_bm;
USART3.BAUD = (uint16_t) USART3_BAUD_RATE(115200);
USART3.CTRLB |= USART_TXEN_bm;
// Enabled in the USART register
USART3.CTRLB |= USART_RXEN_bm;
}
// Use printline __________________________
static void USART3_sendChar(char c) {
while (!(USART3.STATUS & USART_DREIF_bm)) {
;
}
USART3.TXDATAL = c;
}
static int USART3_printChar(char c, FILE *stream) {
USART3_sendChar(c);
return 0;
}
static FILE USART_stream = FDEV_SETUP_STREAM(USART3_printChar, NULL, _FDEV_SETUP_WRITE);
uint8_t USART3_read() {
while (!(USART3.STATUS & USART_RXCIF_bm)) {
;
}
return USART3.RXDATAL;
}
/*
* make a struct
* a space is reserved for that struct
* make a function that write the struct to the space
*
* a running counter for where the fanspeed data should be set
* make a function that write the mesured fanSpeed
*
* read the memory for the struct
* read the memory for the fanspeed
*/
void main() {
USART3_init();
stdout = &USART_stream;
config_t fanController;
fanController.fanSpeed = 8;
while(1){
printf("in loop\n");
printf("Write the struct \n");
WriteStructInEEPROM(fanController);
printf("Read struct\n");
config_t recivedFancontroller = ReadStructInEEPROM();
printf("writing in eeprom\n");
WriteFanSpeedInEEPROM(2);
WriteFanSpeedInEEPROM(3);
WriteFanSpeedInEEPROM(5);
printf("reading from eeprom\n");
ReadFanSpeedInfo();
_delay_ms(500);
}
}