[stm32 HAL库教程][I2C]简单数据收发实验 #STM32 #入门教程 #HAL库 #CubeMx #CubeIDE - 铁头山羊于20240615发布在抖音,已经收获了3.6万个喜欢,来抖音,记录美好生活!
writeCplt =0;HAL_I2C_Mem_Write_IT(&hi2c1,0xa0, addr, I2C_MEMADD_SIZE_8BIT, &addr,1);while(writeCplt ==0);HAL_Delay(20); readCplt =0;HAL_I2C_Mem_Read_IT(&hi2c1,0xa0, addr, I2C_MEMADD_SIZE_8BIT, &data,1);while(readCplt ==0);printf("addr : 0x%02x, data : 0x%02...
staticuint8_tram[256];// 模拟I2C从机数据寄存器(主机读写的数据都放在这块内存)uint8_toffset;// 从机寄存器当前偏移地址staticuint8_tfirst_byte_state=1;// 是否收到第1个字节,也就是偏移地址(0:已收到,1:没有收到)// 侦听完成回调函数(完成一次完整的i2c通信以后会进入该函数)voidHAL_I2C_ListenCpl...
In this tutorial, we’ll be discussing the I2C hardware in STM32 microcontrollers. Starting with an introduction to the Inter-Integrated Circuit (I2C) communication. And we’ll get a closer look at the STM32 I2C hardware module and its internal functionalities, modes of operation, options, and...
I2C读取函数 c 复制代码 HAL_StatusTypeDef I2C_Read(uint8_t device_addr, uint8_t reg_addr, uint...
然后再重新初始化 I2C 模块,进入正常 I2C 操作。 参考资料: PM0215 STM32F0xxx Cortex-M0 programming manual UM1785 Description of STM32F0 HAL and low-layer drivers 24C02 Datasheet STM32F030 Datasheet STM32F030 Reference Manual 获取本文代码,请关注公众号回复:24c02...
基于STM32G474的0.96寸OLED(SSD1306)显示屏驱动程序（4针脚I2C接口），支持硬件IIC/软件IIC，HAL库版...
HAL_StatusTypeDef status; status = HAL_I2C_Master_Transmit(&hi2c1, DevAddress, &Reg,1, HAL_MAX_DELAY);if(status != HAL_OK) {returnstatus; }returnHAL_I2C_Master_Receive(&hi2c1, DevAddress, pData, Size, HAL_MAX_DELAY); }// 写数据到I2C设备的特定寄存器HAL_StatusTypeDefI2C_WriteRegister...
/* USER CODE BEGIN 2 */for(i=0;i<256;i++)WriteBuffer[i]=i;/* WriteBuffer init */printf("\r\n***I2C Example Z小旋测试***\r\n");for(int j=0;j<32;j++){if(HAL_I2C_Mem_Write(&hi2c1,ADDR_24LCxx_Write,8*j,I2C_MEMADD_SIZE_8BIT,WriteBuffer+8*j,8,1000)==HAL_OK){...
HAL_I2C_Mem_Write( I2C_HandleTypeDef *hi2c, // 使用的 I2C 模块的 Handle 的指针 uint16_t DevAddress, // I2C 器件的地址,这里是 24C02 的地址 0xA0 uint16_t MemAddress, // 存储器内部地址 uint16_t MemAddSize, // 存储器内部地址位数 8BIT or 16BIT ?