diff options
Diffstat (limited to 'rf_test/recv.c')
| -rw-r--r-- | rf_test/recv.c | 43 |
1 files changed, 19 insertions, 24 deletions
diff --git a/rf_test/recv.c b/rf_test/recv.c index 9cb3daa..010a432 100644 --- a/rf_test/recv.c +++ b/rf_test/recv.c @@ -2,6 +2,9 @@ #include <avr/interrupt.h> #include <util/delay.h> +#include "rfm.h" +#include "serial.h" + #define TEST_LED PB1 #define LOCK_LED PD6 #define UNLOCK_LED PD7 @@ -11,9 +14,6 @@ #define UNLOCK 0xAE #define SIGPIN PB3 -#define SIGLEN 200 - -static volatile unsigned char data = 0; static inline void led_init(void) { @@ -33,35 +33,30 @@ int main(void) PORTB &= ~(1 << SIGPIN); led_init(); + serial_init(); pcint2_init(); sei(); - for (;;) { - if (data == LOCK) { - PORTD |= (1 << LOCK_LED); - PORTD &= ~(1 << UNLOCK_LED); - } - - if (data == UNLOCK) { - PORTD &= ~(1 << LOCK_LED); - PORTD |= (1 << UNLOCK_LED); - } - - data = 0; - _delay_ms(100); - } + for (;;) + ; return 0; } ISR(PCINT2_vect) { - int n, bit; - - for (n = 7; n >= 0; n--) { - _delay_ms(SIGLEN); - bit = ((PINB >> SIGPIN) & 1); - data = bit == 1 ? (data | (1 << n)) : (data & ~(1 << n)); - } + char *s; + uint8_t buf[2], n; + + n = rfm_recvfrom(0x00, buf, 2); + + if (buf[1] == LOCK) + s = "LOCK"; + else if (buf[1] == UNLOCK) + s = "UNLOCK"; + else + s = "Garbage"; + + serial_write_line(s); } |