diff options
Diffstat (limited to 'rf_test/send.c')
| -rw-r--r-- | rf_test/send.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/rf_test/send.c b/rf_test/send.c index fe93a72..71e764b 100644 --- a/rf_test/send.c +++ b/rf_test/send.c @@ -86,6 +86,8 @@ static inline uint8_t radio_recv(char *buf, uint8_t n) { uint8_t i; + i = 0; + if ((read_reg(0x28) & 0x04)) { write_reg(0x01, 0x04); @@ -96,22 +98,21 @@ static inline uint8_t radio_recv(char *buf, uint8_t n) SPDR = 0x00 | 0x7F; while (!(SPSR & (1 << SPIF))) ; - for (i = 0; i < n; i++) { + while (i < n) { SPDR = 0; while (!(SPSR & (1 << SPIF))) ; - buf[i] = SPDR; + buf[i++] = SPDR; } SPI_PORT |= (1 << SPI_SS); } - - return len; + return i; } struct radio_cfg { - uint8_t payload_len -} + uint8_t payload_len; +}; static inline void radio_init(struct radio_cfg *cfg) { @@ -151,10 +152,13 @@ int main(void) ISR(RX_PCINTVEC) { - uint8_t n; - - const uint8_t buflen = 32; - char buf[buflen]; + uint8_t i, n; + char buf[PAYLOAD_LEN]; + + n = radio_recv(buf, PAYLOAD_LEN); - n = radio_recv(buf, buflen); + for (i = 0; i < n; i++) + serial_write(buf[i]); + serial_write('\r'); + serial_write('\n'); } |