STM32系列 的IIC通信例程STM32系列 的IIC通信例程.pdf

STM32F103RC 关于STM32F103RC芯片对 SSTTMM3322FF110033RRCC EEPROM AT24C64 IIC EEPROM AT24C64 IIC 芯片 的 通信 EEEEPPRROOMM AATT2244CC6644 IIIICC 文档说明：本文档仅提供最基础的操作函数，包含四个函数分别为： void I2C_EEPROM_WriteByte(unsigned shortWordAddress) EEPROM void I2C_EEPROM_WriteByte(unsigned shortWordAddress) EEPROM （1）vvooiiddII22CC__EEEEPPRROOMM__WWrriitteeBByyttee((uunnssiiggnneeddsshhoorrttWWoorrddAAddddrreessss))，此函数是对EEEEPPRROOMM 进行一次随机地址写一个字节数据操作。 void I2C_EEPROM_WritePage(unsigned short WordAddress, unsigned char *data, void I2C_EEPROM_WritePage(unsigned short WordAddress, unsigned char *data, （2）vvooiidd II22CC__EEEEPPRROOMM__WWrriitteePPaaggee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss,, uunnssiiggnneedd cchhaarr **ddaattaa,, unsignedint length) EEPROM N unsignedint length) EEPROM N uunnssiiggnneeddiinnttlleennggtthh))，此函数是对EEEEPPRROOMM进行指定起始地址连续写NN个数据。 unsigned char I2C_EEPROM_ReadByte(unsigned short WordAddress) unsigned char I2C_EEPROM_ReadByte(unsigned short WordAddress) （3）uunnssiiggnneedd cchhaarr II22CC__EEEEPPRROOMM__RReeaaddBByyttee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss))，此函数是对 EEPROM EEPROM EEEEPPRROOMM进行随机地址读取一个字节数据。 void I2C_EEPROM_SeqReadByte(unsigned short WordAddress, unsigned char* void I2C_EEPROM_SeqReadByte(unsigned short WordAddress, unsigned char* （4）vvooiidd II22CC__EEEEPPRROOMM__SSeeqqRReeaaddBByyttee((uunnssiiggnneedd sshhoorrtt WWoorrddAAddddrreessss,, uunnssiiggnneedd cchhaarr** array,unsigned int number) N array,unsigned int number) N aarrrraayy,,uunnssiiggnneeddiinntt