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module_nrf24l01.h
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module_nrf24l01.h
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/* #include "module_nrf24l01.h" */
#ifndef __MODULE_NRF24L01_H
#define __MODULE_NRF24L01_H
#include "stm32f4xx.h"
/*=====================================================================================================*/
/*=====================================================================================================*/
#define nRF_SPI SPI2 // nRF使用SPI2
#define SendTimes 2
#define ReadTimes 2
#define TxBufSize 32
#define RxBufSize 32
#define TX_ADR_WIDTH 5 // 發射地址寬度
#define TX_PLOAD_WIDTH 32 // 發射數據通道有效數據寬度0~32Byte
#define RX_ADR_WIDTH 5
#define RX_PLOAD_WIDTH 32
#define CHANAL 40 // 頻道選擇
// SPI(nRF24L01) commands, NRF的SPI命令宏定義，詳見NRF功能使用文檔
#define NRF_READ 0x00 // Define read command to register
#define NRF_WRITE 0x20 // Define write command to register
#define RD_RX_PLOAD 0x61 // Define RX payload register address
#define WR_TX_PLOAD 0xA0 // Define TX payload register address
#define FLUSH_TX 0xE1 // Define flush TX register command
#define FLUSH_RX 0xE2 // Define flush RX register command
#define REUSE_TX_PL 0xE3 // Define reuse TX payload register command
#define NOP 0xFF // Define No Operation, might be used to read status register
// SPI(nRF24L01) registers(addresses), NRF24L01 相關寄存器地址的宏定義
#define CONFIG 0x00 // 'Config' register address
#define EN_AA 0x01 // 'Enable Auto Acknowledgment' register address
#define EN_RXADDR 0x02 // 'Enabled RX addresses' register address
#define SETUP_AW 0x03 // 'Setup address width' register address
#define SETUP_RETR 0x04 // 'Setup Auto. Retrans' register address
#define RF_CH 0x05 // 'RF channel' register address
#define RF_SETUP 0x06 // 'RF setup' register address
#define STATUS 0x07 // 'Status' register address
#define OBSERVE_TX 0x08 // 'Observe TX' register address
#define CD 0x09 // 'Carrier Detect' register address
#define RX_ADDR_P0 0x0A // 'RX address pipe0' register address
#define RX_ADDR_P1 0x0B // 'RX address pipe1' register address
#define RX_ADDR_P2 0x0C // 'RX address pipe2' register address
#define RX_ADDR_P3 0x0D // 'RX address pipe3' register address
#define RX_ADDR_P4 0x0E // 'RX address pipe4' register address
#define RX_ADDR_P5 0x0F // 'RX address pipe5' register address
#define TX_ADDR 0x10 // 'TX address' register address
#define RX_PW_P0 0x11 // 'RX payload width, pipe0' register address
#define RX_PW_P1 0x12 // 'RX payload width, pipe1' register address
#define RX_PW_P2 0x13 // 'RX payload width, pipe2' register address
#define RX_PW_P3 0x14 // 'RX payload width, pipe3' register address
#define RX_PW_P4 0x15 // 'RX payload width, pipe4' register address
#define RX_PW_P5 0x16 // 'RX payload width, pipe5' register address
#define FIFO_STATUS 0x17 // 'FIFO Status Register' register address
#define MAX_RT 0x10 // 達到最大重發次數中斷標誌位
#define TX_DS 0x20 // 發送完成中斷標誌位
#define RX_DR 0x40 // 接收到數據中斷標誌位
/*=====================================================================================================*/
/*=====================================================================================================*/
#define NRF_CSN PBO(12) // PB12
#define NRF_CE PCO(4) // PC4
#define NRF_IRQ PCI(5) // PC5
/*=====================================================================================================*/
/*=====================================================================================================*/
void nRF24L01_Config(void);
void nRF_WriteReg(u8, u8);
u8 nRF_ReadReg(u8);
void nRF_WriteBuf(u8, u8 *, u8);
void nRF_ReadBuf(u8, u8 *, u8);
void nRF_RX_Mode(void);
void nRF_TX_Mode(void);
u8 nRF_Check(void);
u8 nRF_Tx_Data(u8 *);
u8 nRF_Rx_Data(u8 *);
/*====================================================================================================*/
/*====================================================================================================*/
extern u8 TxBuf[SendTimes][TxBufSize];
extern u8 RxBuf[ReadTimes][RxBufSize];
/*====================================================================================================*/
/*====================================================================================================*/
#endif