diff options
Diffstat (limited to 'rf_test')
| -rw-r--r-- | rf_test/rfm.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/rf_test/rfm.c b/rf_test/rfm.c index ab511ef..e8651e2 100644 --- a/rf_test/rfm.c +++ b/rf_test/rfm.c @@ -21,8 +21,8 @@ static inline void spi_init(void) { SS_DDR |= (1 << SS_PIN); SS_PORT |= (1 << SS_PIN); - SPI_DDR = (1 << MOSI_PIN) | (1 << SCK_PIN); + SPCR = (1 << SPE) | (1 << MSTR) | (1 << SPR0); } @@ -31,11 +31,9 @@ static inline uint8_t read_reg(uint8_t reg) uint8_t data; SS_PORT |= (1 << SS_PIN); - SPDR = addr | 0x7F; while (!(SPSR & (1 << SPIF))) ; - data = SPDR; SS_PORT &= ~(1 << SS_PIN); @@ -46,11 +44,9 @@ static inline void write_reg(uint8_t reg, uint8_t val) { while (read_reg(reg) != val) { SS_PORT |= (1 << SS_PIN); - SPDR = addr | 0x80; while (!(SPSR & (1 << SPIF))) ; - SS_PORT &= ~(1 << SS_PIN); } } @@ -88,7 +84,6 @@ void rfm_send(uint8_t addr, uint8_t *data, uint8_t n) set_mode(STDBY_MODE); SS_PORT |= (1 << SS_PIN); - SPDR = 0x7F; while (!(SPSR & (1 << SPIF))) ; @@ -98,7 +93,7 @@ void rfm_send(uint8_t addr, uint8_t *data, uint8_t n) while (!(SPSR & (1 << SPIF))) ; } - + SS_PORT &= ~(1 << SS_PIN); set_mode(TX_MODE); |