98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
/*
|
|
* Copyright 2017 Oleg Borodin <onborodin@gmail.com>
|
|
*
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <stdbool.h>
|
|
|
|
#include <avr/io.h>
|
|
#include <avr/interrupt.h>
|
|
#include <util/delay.h>
|
|
#define BAUD 38400
|
|
#include <util/setbaud.h>
|
|
|
|
#include <tools.h>
|
|
#include <uartio.h>
|
|
#include <spi.h>
|
|
#include <cons.h>
|
|
#include <contr.h>
|
|
|
|
#define TIMER_INITVAL 128
|
|
|
|
/* Timer0 interrupt */
|
|
ISR(TIMER0_OVF_vect) {
|
|
volatile uint16_t power_measure = adc_get_fake_measure(0, 700) * 10;
|
|
volatile uint16_t refl_measure = power_measure / 10;
|
|
contr_add_power_measure(power_measure);
|
|
contr_add_refl_measure(refl_measure);
|
|
|
|
volatile uint8_t c;
|
|
while ((c = fifo_getc(&uart_outbuf)) > 0) {
|
|
while(!REG_BIT_ISUP(UCSR0A, UDRE0));
|
|
UDR0 = c;
|
|
}
|
|
REG_SETUP(TCNT0, TIMER_INITVAL);
|
|
}
|
|
|
|
/* Timer0 init */
|
|
void timer0_init(void) {
|
|
/* Disable comparators */
|
|
REG_SETDOWN_BIT(TCCR0A, COM0A1);
|
|
REG_SETDOWN_BIT(TCCR0A, COM0A0);
|
|
REG_SETDOWN_BIT(TCCR0A, COM0B1);
|
|
REG_SETDOWN_BIT(TCCR0A, COM0B0);
|
|
/* Set normal mode */
|
|
REG_SETDOWN_BIT(TCCR0A, WGM01);
|
|
REG_SETDOWN_BIT(TCCR0A, WGM00);
|
|
/* Set clock to 1/64 */
|
|
REG_SETDOWN_BIT(TCCR0B, CS02);
|
|
REG_SETUP_BIT(TCCR0B, CS01);
|
|
REG_SETUP_BIT(TCCR0B, CS00);
|
|
/* Enable timer interrupt */
|
|
REG_SETUP_BIT(TIMSK0,TOIE0);
|
|
REG_SETUP(TCNT0, TIMER_INITVAL);
|
|
}
|
|
|
|
void uart_init(void) {
|
|
/* Set port speed */
|
|
UBRR0H = UBRRH_VALUE;
|
|
UBRR0L = UBRRL_VALUE;
|
|
/* Disable double speed operation */
|
|
REG_SETDOWN_BIT(UCSR0A, U2X0);
|
|
/* Set character size to 8 bit */
|
|
REG_SETDOWN_BIT(UCSR0B, UCSZ02);
|
|
REG_SETUP_BIT(UCSR0C, UCSZ01);
|
|
REG_SETUP_BIT(UCSR0C, UCSZ00);
|
|
/* Set one stop bit, no parity */
|
|
REG_SETDOWN_BIT(UCSR0C, USBS0);
|
|
REG_SETDOWN_BIT(UCSR0C, UPM00);
|
|
REG_SETDOWN_BIT(UCSR0C, UPM01);
|
|
/* Enable TX and RX */
|
|
REG_SETUP_BIT(UCSR0B, TXEN0);
|
|
REG_SETUP_BIT(UCSR0B, RXEN0);
|
|
/* Disable receive & transmit interrupts */
|
|
REG_SETDOWN_BIT(UCSR0B, RXCIE0);
|
|
REG_SETDOWN_BIT(UCSR0B, UDRIE0);
|
|
_delay_ms(20);
|
|
}
|
|
|
|
void rand_init(void) {
|
|
srand(0);
|
|
}
|
|
|
|
int main() {
|
|
rand_init();
|
|
uartio_init();
|
|
uart_init();
|
|
timer0_init();
|
|
spi_init();
|
|
lcd_init();
|
|
console_init();
|
|
contr_init();
|
|
lcd_clear();
|
|
sei();
|
|
contr_main_loop();
|
|
}
|