spi.inc

一款用24L01给美的电器做的2.4G无线遥控器

; Define nRF24L01 interrupt flag's
IDLE          =     0x00      ; Idle, no interrupt pending
MAX_RT        =     0x10      ; Max #of TX retrans interrupt
TX_DS         =     0x20      ; TX data sent interrupt
RX_DR         =     0x40      ; RX data received

SPI_CFG       =     0x40      ; SPI Configuration register value
SPI_CTR       =     0x01      ; SPI Control register values
SPI_CLK       =     0x00      ; SYSCLK/2*(SPI_CLK+1) == > 12MHz / 2 = 6MHz
SPI0E         =     0x02      ; SPI Enable in XBR0 register



; SPI(nRF24L01) commands
READ_REG      =      0x00      ; Define read command to register
WRITE_REG     =      0x20      ; Define write command to register
RD_RX_PLOAD   =      0x61      ; Define RX payload register address
WR_TX_PLOAD   =      0xA0      ; Define TX payload register address
FLUSH_TX      =      0xE1      ; Define flush TX register command
FLUSH_RX      =      0xE2      ; Define flush RX register command
REUSE_TX_PL   =      0xE3      ; Define reuse TX payload register command
C_NOP         =      0xFF      ; Define No Operation, might be used to read 

; SPI(nRF24L01) registers(addresses)
CONFIG        =      0x00      ; 'Config' register address
EN_AA         =      0x01      ;'Enable Auto Acknowledgment' register address
EN_RXADDR     =      0x02      ; 'Enabled RX addresses' register address
SETUP_AW      =      0x03      ; 'Setup address width' register address
SETUP_RETR    =      0x04      ; 'Setup Auto. Retrans' register address
RF_CH         =      0x05      ; 'RF channel' register address
RF_SETUP      =      0x06      ; 'RF setup' register address
STATUS        =      0x07      ; 'Status' register address
OBSERVE_TX    =      0x08      ; 'Observe TX' register address
CD            =      0x09      ; 'Carrier Detect' register address
RX_ADDR_P0    =      0x0A      ; 'RX address pipe0' register address
RX_ADDR_P1    =      0x0B      ; 'RX address pipe1' register address
RX_ADDR_P2    =      0x0C      ; 'RX address pipe2' register address
RX_ADDR_P3    =      0x0D      ; 'RX address pipe3' register address
RX_ADDR_P4    =      0x0E      ; 'RX address pipe4' register address
RX_ADDR_P5    =      0x0F      ; 'RX address pipe5' register address
TX_ADDR       =      0x10      ; 'TX address' register address
RX_PW_P0      =      0x11      ; 'RX payload width, pipe0' register address
RX_PW_P1      =      0x12      ; 'RX payload width, pipe1' register address
RX_PW_P2      =      0x13      ; 'RX payload width, pipe2' register address
RX_PW_P3      =      0x14      ; 'RX payload width, pipe3' register address
RX_PW_P4      =      0x15      ; 'RX payload width, pipe4' register address
RX_PW_P5      =      0x16      ; 'RX payload width, pipe5' register address
FIFO_STATUS   =      0x17      ; 'FIFO Status Register' register address