STM32+0.91寸oled滚动显示bme680测得的数据（温湿度、气压、空气质量指数） -

#include "bme680.h"
uint8_t bme680_data[20]={0};
uint8_t aqi_accuracy;
int16_t temperature,altitude;
uint16_t humidity,aqi;
uint32_t pressure,gas;
void Bme680_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA, ENABLE);
GPIO_InitStructure.GPIO_Pin = TXD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = RXD;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
USART_Init(USART2, &USART_InitStructure);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
USART_ITConfig(USART2,USART_IT_RXNE, ENABLE);
USART_Cmd(USART2,ENABLE);
}
void Bme680_Init(void)
{
USART_SendData(USART2,0xa5);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0x55);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0x3f);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0x39);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
Delay_ms(100);
USART_SendData(USART2,0xa5);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0x56);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0x02);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
USART_SendData(USART2,0xfd);
while(USART_GetFlagStatus(USART2,USART_FLAG_TXE)==Bit_RESET);
Delay_ms(100);
}
void Bme680_Analysis(void)
{
temperature=(bme680_data[4]<<8)|bme680_data[5];
// temperature=temperature/100; //unit:0.01℃
humidity=(bme680_data[6]<<8)|bme680_data[7];
// humidity=humidity/100; //unit:0.01%
pressure=(bme680_data[8]<<16)|(bme680_data[9]<<8)|bme680_data[10]; //unit:1Pa
aqi_accuracy=bme680_data[11]>>4;
aqi=((bme680_data[11]&0x0f)<<8)|bme680_data[12];
gas=(bme680_data[13]<<24)|(bme680_data[14]<<16)|(bme680_data[15]<<8)|bme680_data[16];
//unit:1ohm
altitude=(bme680_data[17]<<8)|bme680_data[18]; //unit:1m
}

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