蓝桥杯物联网竞赛_STM32L071KBU6

蓝桥杯物联网竞赛_STM32L071KBU6_手动配置代码分析

本文主要是介绍蓝桥杯物联网竞赛_STM32L071KBU6_手动配置代码分析，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

大概还有八天国赛，好久没练了，手动配置的代码又有些生疏了，再来回顾回顾

void OLED_Write(unsigned char type, unsigned char data){  // 主要是给显示屏写指令 unsigned char WriteData[2];WriteData[0] = type;WriteData[1] = data;HAL_I2C_Master_Transmit(&hi2c3, 0x78, WriteData, 2, 0xff);  // 函数是主机发送给显示屏用的i2c3线 
}void Function_OledInit(unsigned char ms){HAL_GPIO_WritePin(OLED_Power_GPIO_Port, OLED_Power_Pin, GPIO_PIN_RESET);HAL_Delay(ms);  // 这里延时一下是等主机通上电再调用初始化函数写指令 OLED_Init();  // 写指令 
}/*初始化指令不用返还数据取数据指令会返还数据用的spi1线 
*/ 
unsigned char SPI_WriteRead(unsigned char address, unsigned char data){unsigned char TxData[2], RxData[2];TxData[0] = address;TxData[1] = data;HAL_GPIO_WritePin(SPI1_NSS_GPIO_Port, SPI1_NSS_Pin, GPIO_PIN_RESET);  // 片选 HAL_SPI_TransmitReceive(&hspi1, TxData, RxData, sizeof(TxData), 0xff);HAL_GPIO_WritePin(SPI1_NSS_GPIO_Port, SPI1_NSS_Pin, GPIO_PIN_SET);return RxData[1]; 
}float* Function_AdcGet(unsigned char ms){uint16_t AdcData[2];static float AdcValue[3];for(unsigned char i = 0; i < 2; i ++){HAL_ADC_Start(&hadc); HAL_ADC_PollForConversion(&hadc, 0xff);  // 等待轮转 AdcData[i] = HAL_ADC_GetValue(&hadc);AdcValue[i] = AdcData[i] * 3.30f / 4095;HAL_Delay(ms); }HAL_ADC_Stop(&hadc);AdcValue[2] = AdcValue[0];AdcValue[0] = AdcValue[1];AdcValue[1] = AdcValue[2];return AdcValue;
}void Function_SendMsg(const char* data, uint16_t len){HAL_UART_Transmit(&huart2, data, len, 0xff);
}void Function_ReceiveMsg(char* data, uint16_t len){HAL_UART_Receive(&huart2, data, len, 0xff); 
}// << 8 等效 * 2 ^ 8 
float Function_GetTemp(){unsigned char Data[2];Data[0] = 0x24;Data[1] = 0x0b;HAL_I2C_Master_Transmit(&hi2c1, 0x94, Data, 2, 0xff);  // 向外设发送获取温度指令 HAL_I2C_Master_Receive(&hi2c1, 0x95, Data, 2, 0xff);  // 接收获取的温度数据 return (float) (Data[0] << 8 | Data[1]) * 175.0 / 65535 - 45;  // 转换返还 
}