diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 26 |
1 files changed, 9 insertions, 17 deletions
@@ -38,23 +38,16 @@ static inline uint8_t read_reg(uint8_t reg) return SPDR; } -static inline void write_reg_check(uint8_t reg, uint8_t val, uint8_t ref) -{ - while (read_reg(reg) != ref) { - SPI_PORT &= ~(1 << SPI_SS); - SPDR = (reg & 0x1F) | 0x20; - while (!(SPSR & (1 << SPIF))) - ; - SPDR = val; - while (!(SPSR & (1 << SPIF))) - ; - SPI_PORT |= (1 << SPI_SS); - } -} - static inline void write_reg(uint8_t reg, uint8_t val) { - write_reg_check(reg, val, val); + SPI_PORT &= ~(1 << SPI_SS); + SPDR = (reg & 0x1F) | 0x20; + while (!(SPSR & (1 << SPIF))) + ; + SPDR = val; + while (!(SPSR & (1 << SPIF))) + ; + SPI_PORT |= (1 << SPI_SS); } static inline void print_config(void) @@ -96,8 +89,7 @@ void radio_init(void) write_reg(0x04, 0b00101111); /* 750uS retransmission delay, 15 tries */ write_reg(0x05, 0b01110011); /* use 2.515GHz channel */ write_reg(0x06, 0b00001110); /* set data rate to 1Mbps */ - - write_reg_check(0x07, 0b01110000, 0b00001110); /* clear rx, tx, max_rt interrupts */ + write_reg(0x07, 0b01110000); /* clear rx, tx, max_rt interrupts */ } int main(void) |