recv.c


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#include <stdint.h>
#include <string.h>
#include <avr/interrupt.h>

#include "nrfm.h"
#include "uart.h"

#define RX_PIN         PD7
#define RX_DDR         DDRD
#define RX_PORT        PORTD
#define RX_PCIE        PCIE2
#define RX_PCINT       PCINT23
#define RX_PCMSK       PCMSK2
#define RX_PCINTVEC    PCINT2_vect

int main(void)
{
	uint8_t rxaddr[] = { 194, 178, 83 };

	RX_DDR &= ~(1 << RX_PIN);
	RX_PORT &= ~(1 << RX_PIN); 
	PCICR |= (1 << RX_PCIE);
	RX_PCMSK |= (1 << RX_PCINT);

	uart_init();
	radio_init(rxaddr);
	radio_print_config();

	sei();
	radio_listen();

	for (;;)
		;

	return 0;
}

ISR(RX_PCINTVEC)
{
	uint8_t n;
	char buf[MAXPDLEN + 1];

	cli();

	uart_write_line("DEBUG: Pin change IRQ");

	n = radio_recv(buf, MAXPDLEN);
	buf[n] = '\0';
	uart_write("INFO: ");
	uart_write_line(buf);

	sei();
}