blob: 2bf9fe62dba75bd41739028a88f2c472f2310884 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
#include <stdint.h>
#include <string.h>
#include <avr/interrupt.h>
#include <avr/wdt.h>
#include <util/delay.h>
#include "nrfm.h"
#include "uart.h"
#include "util.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
static volatile int rxdr = 0;
int main(void)
{
uint8_t n;
char buf[MAXPDLEN + 1];
uint8_t rxaddr[ADDRLEN] = { 194, 178, 82 };
uint8_t txaddr[ADDRLEN] = { 194, 178, 83 };
//wdt_stop();
uart_init();
radio_init(rxaddr);
radio_print_config();
sei();
radio_listen();
_delay_ms(2000);
radio_sendto(txaddr, "SYN", 3);
for (;;) {
if (rxdr) {
n = radio_recv(buf, MAXPDLEN);
buf[n] = '\0';
rxdr = 0;
if (strncmp(buf, "ACK", 3) == 0) {
uart_write("INFO: ");
uart_write_line(buf);
}
} else {
uart_write_line("No IRQ");
}
_delay_ms(2000);
radio_sendto(txaddr, "SYN", 3);
}
return 0;
}
ISR(RX_PCINTVEC)
{
rxdr = 1;
}
|
