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| author | Sadeep Madurange <sadeep@asciimx.com> | 2025-04-03 18:13:08 +0800 |
|---|---|---|
| committer | Sadeep Madurange <sadeep@asciimx.com> | 2025-04-03 18:13:08 +0800 |
| commit | 0a4efdf0af51ced001140e149100763275649055 (patch) | |
| tree | f00ffbdd04acb321bc565517b99f24367cae5a52 | |
| parent | 4c57018f1a45286dc796582a429a9c319174e356 (diff) | |
| download | avr-nrf24l01-driver-0a4efdf0af51ced001140e149100763275649055.tar.gz | |
Simplify defines.
| -rw-r--r-- | nrfm.c | 58 |
1 files changed, 29 insertions, 29 deletions
@@ -8,25 +8,25 @@ #include "nrfm.h" #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_CE_DDR DDRB -#define NRF_CE_PORT PORTB +#define NRF_CE PB1 +#define NRF_CE_DDR DDRB +#define NRF_CE_PORT PORTB -#define NRF_NOP 0xFF -#define NRF_R_REGISTER 0x1F -#define NRF_W_REGISTER 0x20 +#define NOP 0xFF +#define R_REGISTER 0x1F +#define W_REGISTER 0x20 -#define NRF_PWR_UP 1 -#define NRF_PRIM_RX 0 +#define PWR_UP 1 +#define PRIM_RX 0 -#define NRF_MODCHG_DELAY_MS 5 +#define MODCHG_DELAY_MS 5 #define LEN(a) (sizeof(a) / sizeof(a[0])) @@ -40,10 +40,10 @@ const char *bittab[16] = { static inline uint8_t read_reg(uint8_t reg) { SPI_PORT &= ~(1 << SPI_SS); - SPDR = reg & NRF_R_REGISTER; + SPDR = reg & R_REGISTER; while (!(SPSR & (1 << SPIF))) ; - SPDR = NRF_NOP; + SPDR = NOP; while (!(SPSR & (1 << SPIF))) ; SPI_PORT |= (1 << SPI_SS); @@ -53,7 +53,7 @@ static inline uint8_t read_reg(uint8_t reg) static inline void write_reg(uint8_t reg, uint8_t val) { SPI_PORT &= ~(1 << SPI_SS); - SPDR = (reg & 0x1F) | NRF_W_REGISTER; + SPDR = (reg & 0x1F) | W_REGISTER; while (!(SPSR & (1 << SPIF))) ; SPDR = val; @@ -67,11 +67,11 @@ static inline void read_reg_bulk(uint8_t reg, uint8_t *data, uint8_t n) uint8_t i; SPI_PORT &= ~(1 << SPI_SS); - SPDR = reg & NRF_R_REGISTER; + SPDR = reg & R_REGISTER; while (!(SPSR & (1 << SPIF))) ; for (i = 0; i < n; i++) { - SPDR = NRF_NOP; + SPDR = NOP; while (!(SPSR & (1 << SPIF))) ; data[i] = SPDR; @@ -84,7 +84,7 @@ static inline void setaddr(uint8_t reg, const uint8_t addr[ADDRLEN]) uint8_t i; SPI_PORT &= ~(1 << SPI_SS); - SPDR = (reg & 0x1F) | NRF_W_REGISTER; + SPDR = (reg & 0x1F) | W_REGISTER; while (!(SPSR & (1 << SPIF))) ; for (i = ADDRLEN - 1; i >= 0; i--) { @@ -110,10 +110,10 @@ static inline void tx_mode(void) rv = read_reg(0x00); if ((rv & 0x03) != 0x02) { - rv |= (1 << NRF_PWR_UP); - rv &= ~(1 << NRF_PRIM_RX); + rv |= (1 << PWR_UP); + rv &= ~(1 << PRIM_RX); write_reg(0x00, rv); - _delay_ms(NRF_MODCHG_DELAY_MS); + _delay_ms(MODCHG_DELAY_MS); } } @@ -123,10 +123,10 @@ static inline void rx_mode(void) rv = read_reg(0x00); if ((rv & 0x03) != 0x02) { - rv |= (1 << NRF_PWR_UP); - rv |= (1 << NRF_PRIM_RX); + rv |= (1 << PWR_UP); + rv |= (1 << PRIM_RX); write_reg(0x00, rv); - _delay_ms(NRF_MODCHG_DELAY_MS); + _delay_ms(MODCHG_DELAY_MS); } } @@ -268,7 +268,7 @@ void radio_sendto(const uint8_t addr[ADDRLEN], const char *msg, uint8_t n) } write_reg(0x00, cfg); - _delay_ms(NRF_MODCHG_DELAY_MS); + _delay_ms(MODCHG_DELAY_MS); } void radio_listen(void) @@ -304,7 +304,7 @@ uint8_t radio_recv(char *buf, uint8_t n) while (!(SPSR & (1 << SPIF))) ; for (readlen = 0; readlen < maxlen; readlen++) { - SPDR = NRF_NOP; + SPDR = NOP; while (!(SPSR & (1 << SPIF))) ; buf[readlen] = SPDR; |