RN8209C UART通信参考程序：涵盖51与STM32系列

//----------------------start RN8209  地址定义---------------------------------------------------//
#define ADSYSCON 0x00 
#define         ADEMUCON 0x01
#define         ADHFConst      0x02 
#define         ADPStart       0x03 
#define         ADDStart       0x04 
#define ADGPQA         0x05 
#define         ADGPQB         0x06 
#define         ADPhsA         0x07 
#define         ADPhsB         0x08
#define ADQPHSCAL 0x09    
#define ADAPOSA  0x0a
#define         ADAPOSB  0x0b
#define         ADRPOSA  0x0c
#define         ADRPOSB  0x0d
#define         ADIARMSOS      0x0e
#define         ADIBRMSOS      0x0f
#define         ADIBGain       0x10
#define ADD2FPL        0x11
#define         ADD2FPH        0x12
#define         ADDCIAH        0x13
#define         ADDCIBH        0x14
#define         ADDCUH 0x15   
#define         ADDCL    0x16 
#define         ADEMUCON2 0x17
#define ADPFCnt     0x20
#define         ADDFcnt     0x21
#define         ADIARMS        0x22
#define         ADIBRMS        0x23
#define         ADURMS         0x24

#define ADUFreq        0x25
#define         ADPowerPA      0x26
#define         ADPowerPB      0x27
#define         ADEnergyP   0x29
#define         ADEnergyP2  0x2a
#define         ADEnergyD   0x2b
#define         ADEnergyD2     0x2c
#define         ADEMUStatus    0x2d
#define         ADSPL_IA       0x30
#define         ADSPL_IB       0x31
#define         ADSPL_U        0x32
#define         ADIE   0x40
#define         ADIF   0x41
#define         ADRIF     0x42
#define         ADSysStatus   0x43
#define         ADRData       0x44
#define         ADWData       0x45
#define         ADDeviceID    0x7f
#define         WriteEn    0xea
//----------------------end RN8209  地址定义-----------------------------------------------//
//---start 校表参数文件-------（可根据计量芯片更改）
typedef struct 
{
u16 SYSCON;
u16 EMUCON;
u16 HFConst;
u16 PStart;
u16 QStart;   //10
u16 GPQA;    
u16 GPQB;