diff options
Diffstat (limited to 'main.c')
| -rw-r--r-- | main.c | 37 |
1 files changed, 20 insertions, 17 deletions
@@ -5,15 +5,20 @@ #include "uart.h" -#define SPI_SS PB2 -#define SPI_SCK PB5 -#define SPI_MISO PB4 -#define SPI_MOSI PB3 -#define SPI_DDR DDRB -#define SPI_PORT PORTB +#define SPI_SS PB2 +#define SPI_SCK PB5 +#define SPI_MISO PB4 +#define SPI_MOSI PB3 +#define SPI_DDR DDRB +#define SPI_PORT PORTB -#define NRF_CE PB1 -#define NRF_IRQ PD7 +#define NRF_CE PB1 +#define NRF_CE_DDR DDRB +#define NRF_CE_PORT PORTB + +#define NRF_IRQ PD7 + +#define NRF_RST_DELAY_MS 100 static inline uint8_t read_reg(uint8_t reg) { @@ -34,25 +39,23 @@ void radio_init(void) SPI_PORT |= (1 << SPI_SS); SPCR |= (1 << SPE) | (1 << MSTR); - // CE=0 for standby-i mode - DDRB |= (1 << NRF_CE); - PORTB &= ~(1 << NRF_CE); + NRF_CE_DDR |= (1 << NRF_CE); + NRF_CE_PORT &= ~(1 << NRF_CE); - _delay_ms(500); + _delay_ms(NRF_RST_DELAY_MS); } int main(void) { - char s[5]; + char s[15]; + uint8_t rv; uart_init(); radio_init(); for (int i = 0; i < 10; i++) { - uint8_t val = read_reg(0x00); - sprintf(s, "%x", val); - - uart_write("CONFIG: "); + rv = read_reg(0x00); + sprintf(s, "config: 0x%x", rv); uart_write_line(s); } |