diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 11 |
1 files changed, 4 insertions, 7 deletions
@@ -18,10 +18,6 @@ #define NRF_IRQ PD7 -#define NRF_RST_DELAY_MS 100 -#define NRF_CE_PULSE_WIDTH_US 20 -#define NRF_STATE_CHG_DELAY_US 130 - static inline uint8_t read_reg(uint8_t reg) { SPI_PORT &= ~(1 << SPI_SS); @@ -65,15 +61,16 @@ void radio_init(void) { SPI_DDR |= (1 << SPI_SS) | (1 << SPI_SCK) | (1 << SPI_MOSI); SPI_PORT |= (1 << SPI_SS); + SPCR |= (1 << SPE) | (1 << MSTR); NRF_CE_DDR |= (1 << NRF_CE); NRF_CE_PORT &= ~(1 << NRF_CE); - _delay_ms(NRF_RST_DELAY_MS); + _delay_ms(100); /* power on reset delay */ - write_reg(0x00, 0b00001100); /* use 2-byte CRC code */ - write_reg(0x01, 0b00000000); /* disable auto ack on all the pipes */ + write_reg(0x00, 0b00001100); /* use 2-byte CRC */ + write_reg(0x01, 0b00000000); /* disable auto ack on all pipes */ write_reg(0x02, 0b00000001); /* enable rx address on pipe 0 */ write_reg(0x03, 0b00000001); /* set address width to 3 bytes */ write_reg(0x04, 0b00000000); /* disable auto retransmission */ |