内部使用-严禁用于商业用途 by aaa1982
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目 录
芯片简介........................................................................................................................3
1 NRF24L01 功能框图 .................................................................................................4
2 NRF24L01 状态机 .....................................................................................................5
3 Tx 与 Rx 的配置过程 ................................................................................................7
3.1 Tx 模式初始化过程 ........................................................................................7
3.2 Rx 模式初始化过程.........................................................................................8
4 控制程序详解.............................................................................................................9
4.1 函数介绍..........................................................................................................9
4.1.1 uchar SPI_RW(uchar byte) .....................................................................9
4.1.2 uchar SPI_RW_Reg (uchar reg, uchar value).......................................10
4.1.3 uchar SPI_Read (uchar reg);.................................................................10
4.1.4 uchar SPI_Read_Buf (uchar reg, uchar *pBuf, uchar bytes);...............11
4.1.5 uchar SPI_Write_Buf (uchar reg, uchar *pBuf, uchar bytes);..............11
4.1.6 void RX_Mode(void)............................................................................12
4.1.7 void TX_Mode(void)............................................................................13
4.2 NRF24L01 相关命令的宏定义 .....................................................................13
4.3 NRF24L01 相关寄存器地址的宏定义 .........................................................14
5 实际通信过程示波器图..........................................................................................16
1）发射节点 CE 与 IRQ 信号.............................................................................17
2）SCK 与 IRQ 信号（发送成功）...................................................................18
3）SCK 与 IRQ 信号（发送不成功）...............................................................19
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