分享个人写的lora SX1262 demo程序，帮助新手熟悉此芯片

高成 · 发表于 2019-9-23 18:23:19

本帖最后由高成于 2019-9-23 18:24 编辑

适用于SX1262的demo程序。
说明：这个是针对8位单片机写的，不过可以简单地移植到任意单片机上（只需要修改与具体平台相关的宏定义）
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sx1262.h

#ifndef _SX1262_H_
#define _SX1262_H_
#define SoftSPI
#include "SX1262CommandAndRegs.h"
#include "main.h"
#if 0
typedef unsigned char u8;
typedef unsigned int u16;
typedef unsigned long u32;
#endif
typedef struct
{
u8 Power;
u32 Frequency;
u8 Bandwidth;
u8 SpreadFactor;
u8 LowDatarateOptimize;
u8 Coderate;
u16 PreambleLen;
u8 HeaderType;
u8 PayloadLen;
u8 PacketCrc;
u8 FreqHopOn;
u8 HopPeriod;
u8 IqInverted;
u8 RxContinuous;
}RadioLoRaSettings_t;
#define LED_GREEN p1_1
#define LED_RED p1_0
#define SX1262_SPI_NSS_Pin p1_5
#ifdef SoftSPI
#define SX1262_SPI_SCK_Pin p1_6
#define SX1262_SPI_MISO_Pin p4_7
#define SX1262_SPI_MOSI_Pin p1_4
#endif // SoftSPI
#define SX1262_NRST_Pin p1_7
#define SX1262_DIO1_Pin p1_2
#define SX1262_DIO2_Pin
#define SX1262_DIO3_Pin
#define SX1262_BusyPin p1_3
#define HIGH 1
#define LOW 0
#define SPI_NSS(LEVEL) SX1262_SPI_NSS_Pin=LEVEL
#ifdef SoftSPI
#define SPI_SCK(LEVEL) SX1262_SPI_SCK_Pin=LEVEL
#define SPI_MISO() SX1262_SPI_MISO_Pin
#define SPI_MOSI(LEVEL) SX1262_SPI_MOSI_Pin=LEVEL
#endif // SoftSPI
#define RADIO_NRST(LEVEL) SX1262_NRST_Pin=LEVEL
#define RADIO_DIO1() SX1262_DIO1_Pin
#define RADIO_DIO2()
#define RADIO_DIO3()
#define RADIO_BusyPin() SX1262_BusyPin
#define SetRadioPin(pin,state) pin=state
#define GetRadioPin(pin) pin
unsigned char spi_byte(unsigned char data);
u8 SPIWriteCmd(u8 size,u8 *p);
u8 SPIReadCmd(u8 cmd,u8 *p,u8 size);
u8 SPIReadRegister(u16 reg,u8 size,u8 *p);
u8 SPIWriteRegister(u8 *p,u8 size);
u8 SPIWriteBuffer(u8 offset,u8 *p,u8 size);
u8 SPIReadBuffer(u8 offset,u8 *p,u8 size);
void SX1262SetStandby(u8 p);
void SX1262SetPacketType(u8 p);
void SX1262SetFrequency(u32 freq);
void SX1262SetPaConfig(void);
void SX1262SetTxParams(void);
void SX1262SetBufferBaseAddress(u8 TXBaseadd,u8 RXBaseadd);
void SX1262SetModulationParams(u8 sf,u8 bw,u8 codingrate,u8 ldro);
void SX1262SetPacketParams(u16 prelen,u8 headertype,u8 payloadlen,u8 crc,u8 iq);
void SX1262SetAnt(void);
void SX1262SetTCXO_Ctrl(void);
void SX1262SetDioIrqParams(u16 INT,u16 dio1,u16 dio2,u16 dio3);
void SX1262Reset(void);
void port_init(void);
void SX1262SetRx_mode(u32 timeout);
void SX1262RX_init(u32 time);
void SX1262Clr_interrupt(u8 *p);
void SX1262SetTx_mode(u32 TimeOut);
void tx_data(u8 add,u8 *p,u8 size);
void check_busy(void);
void SX1262GetStatus(u8 *p);
void SX1262SetRegulatorMode(void);
void tx11(u8 add ,u8 *p,u8 size);
u8 SX1262GetReceiveLen(void);
u8 SX1262GetReceiveAdd(void);
int SX1262Init(RadioLoRaSettings_t LoRaSetting);
int RadioInit(void);
/*****extern variables****************/
extern RadioLoRaSettings_t LoRaSetting1;
#endif // _SX1262_H_