電路原理圖如下:
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2018-5-17 05:08 上傳
串口輸出HMC5883L+ADXL345+BMP085+L3G4200D單片機源程序如下:
- /*******************************************************************************
- * 函數功能:串口發送數據 HMC5883L + ADXL345 + BMP085+L3G4200D
- * 芯片:STM32F103XXXX
- * 波特率:115200
- * 編譯環境:Keil uVision4
- * 編寫時間:
- * 作 者:
- *******************************************************************************/
- #include "stm32f10x_lib.h"
- #include <math.h> //Keil library
- GPIO_InitTypeDef GPIO_InitStructure;
- ErrorStatus HSEStartUpStatus;
- #define uchar unsigned char
- #define uint unsigned int
- #define OSS 0 // BMP085使用
- //L3G4200D內部寄存器
- #define CTRL_REG1 0x20
- #define CTRL_REG2 0x21
- #define CTRL_REG3 0x22
- #define CTRL_REG4 0x23
- #define CTRL_REG5 0x24
- #define OUT_X_L 0x28
- #define OUT_X_H 0x29
- #define OUT_Y_L 0x2A
- #define OUT_Y_H 0x2B
- #define OUT_Z_L 0x2C
- #define OUT_Z_H 0x2D
- //定義器件在IIC總線中的從地址,根據ALT ADDRESS地址引腳不同修改
- #define HMC5883L_Addr 0x3C //磁場傳感器器件地址
- #define ADXL345_Addr 0xA6 //加速度傳感器器件地址
- #define BMP085_Addr 0xee //氣壓傳感器器件地址
- #define L3G4200_Addr 0xD2 //陀螺儀傳感器器件地址
- unsigned char BUF[8]; //接收數據緩存區
- char test=0;
- int x,y;
- float angle;
- uchar ge,shi,bai,qian,wan,shiwan; //顯示變量
- int A_X,A_Y,A_Z;
- short T_X,T_Y,T_Z;
- short data_xyz[3];
- float Roll,Pitch,Q,T,K;
- //***BMP085使用
- short ac1;
- short ac2;
- short ac3;
- unsigned short ac4;
- unsigned short ac5;
- unsigned short ac6;
- short b1;
- short b2;
- short mb;
- short mc;
- short md;
- long temperature;
- long pressure;
- //********
- //************************************++++++++++++++++++++++++++++++++
- /*模擬IIC端口輸出輸入定義*/
- #define SCL_H GPIOB->BSRR = GPIO_Pin_6
- #define SCL_L GPIOB->BRR = GPIO_Pin_6
-
- #define SDA_H GPIOB->BSRR = GPIO_Pin_7
- #define SDA_L GPIOB->BRR = GPIO_Pin_7
- #define SCL_read GPIOB->IDR & GPIO_Pin_6
- #define SDA_read GPIOB->IDR & GPIO_Pin_7
- /* 函數申明 -----------------------------------------------*/
- void RCC_Configuration(void);
- void GPIO_Configuration(void);
- void NVIC_Configuration(void);
- void USART1_Configuration(void);
- void USART2_Configuration(void);
- void USART3_Configuration(void);
- void USART4_Configuration(void);
- void USART5_Configuration(void);
- void WWDG_Configuration(void);
- void Delay(u32 nTime);
- void Delayms(vu32 m);
- void conversion(long temp_data);
- void adxl345_angle(void);
- /* 變量定義 ----------------------------------------------*/
- //***************************************************
- void conversion(long temp_data)
- {
- shiwan=temp_data/100000+0x30 ;
- temp_data=temp_data%100000; //取余運算
- wan=temp_data/10000+0x30 ;
- temp_data=temp_data%10000; //取余運算
- qian=temp_data/1000+0x30 ;
- temp_data=temp_data%1000; //取余運算
- bai=temp_data/100+0x30 ;
- temp_data=temp_data%100; //取余運算
- shi=temp_data/10+0x30 ;
- temp_data=temp_data%10; //取余運算
- ge=temp_data+0x30;
- }
- /*******************************************************************************
- * Function Name : I2C_GPIO_Config
- * Description : Configration Simulation IIC GPIO
- * Input : None
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_GPIO_Config(void)
- {
- GPIO_InitTypeDef GPIO_InitStructure;
-
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- }
- /*******************************************************************************
- * Function Name : I2C_delay
- * Description : Simulation IIC Timing series delay
- * Input : None
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_delay(void)
- {
-
- u8 i=30; //這里可以優化速度 ,經測試最低到5還能寫入
- while(i)
- {
- i--;
- }
- }
- void delay5ms(void)
- {
-
- int i=5000;
- while(i)
- {
- i--;
- }
- }
- /*******************************************************************************
- * Function Name : I2C_Start
- * Description : Master Start Simulation IIC Communication
- * Input : None
- * Output : None
- * Return : Wheather Start
- ****************************************************************************** */
- bool I2C_Start(void)
- {
- SDA_H;
- SCL_H;
- I2C_delay();
- if(!SDA_read)return FALSE; //SDA線為低電平則總線忙,退出
- SDA_L;
- I2C_delay();
- if(SDA_read) return FALSE; //SDA線為高電平則總線出錯,退出
- SDA_L;
- I2C_delay();
- return TRUE;
- }
- /*******************************************************************************
- * Function Name : I2C_Stop
- * Description : Master Stop Simulation IIC Communication
- * Input : None
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_Stop(void)
- {
- SCL_L;
- I2C_delay();
- SDA_L;
- I2C_delay();
- SCL_H;
- I2C_delay();
- SDA_H;
- I2C_delay();
- }
- /*******************************************************************************
- * Function Name : I2C_Ack
- * Description : Master Send Acknowledge Single
- * Input : None
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_Ack(void)
- {
- SCL_L;
- I2C_delay();
- SDA_L;
- I2C_delay();
- SCL_H;
- I2C_delay();
- SCL_L;
- I2C_delay();
- }
- /*******************************************************************************
- * Function Name : I2C_NoAck
- * Description : Master Send No Acknowledge Single
- * Input : None
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_NoAck(void)
- {
- SCL_L;
- I2C_delay();
- SDA_H;
- I2C_delay();
- SCL_H;
- I2C_delay();
- SCL_L;
- I2C_delay();
- }
- /*******************************************************************************
- * Function Name : I2C_WaitAck
- * Description : Master Reserive Slave Acknowledge Single
- * Input : None
- * Output : None
- * Return : Wheather Reserive Slave Acknowledge Single
- ****************************************************************************** */
- bool I2C_WaitAck(void) //返回為:=1有ACK,=0無ACK
- {
- SCL_L;
- I2C_delay();
- SDA_H;
- I2C_delay();
- SCL_H;
- I2C_delay();
- if(SDA_read)
- {
- SCL_L;
- I2C_delay();
- return FALSE;
- }
- SCL_L;
- I2C_delay();
- return TRUE;
- }
- /*******************************************************************************
- * Function Name : I2C_SendByte
- * Description : Master Send a Byte to Slave
- * Input : Will Send Date
- * Output : None
- * Return : None
- ****************************************************************************** */
- void I2C_SendByte(u8 SendByte) //數據從高位到低位//
- {
- u8 i=8;
- while(i--)
- {
- SCL_L;
- I2C_delay();
- if(SendByte&0x80)
- SDA_H;
- else
- SDA_L;
- SendByte<<=1;
- I2C_delay();
- SCL_H;
- I2C_delay();
- }
- SCL_L;
- }
- /*******************************************************************************
- * Function Name : I2C_RadeByte
- * Description : Master Reserive a Byte From Slave
- * Input : None
- * Output : None
- * Return : Date From Slave
- ****************************************************************************** */
- unsigned char I2C_RadeByte(void) //數據從高位到低位//
- {
- u8 i=8;
- u8 ReceiveByte=0;
- SDA_H;
- while(i--)
- {
- ReceiveByte<<=1;
- SCL_L;
- I2C_delay();
- SCL_H;
- I2C_delay();
- if(SDA_read)
- {
- ReceiveByte|=0x01;
- }
- }
- SCL_L;
- return ReceiveByte;
- }
- //ZRX
- //單字節寫入*******************************************
- bool Single_Write(unsigned char SlaveAddress,unsigned char REG_Address,unsigned char REG_data) //void
- {
- if(!I2C_Start())return FALSE;
- I2C_SendByte(SlaveAddress); //發送設備地址+寫信號//I2C_SendByte(((REG_Address & 0x0700) >>7) | SlaveAddress & 0xFFFE);//設置高起始地址+器件地址
- if(!I2C_WaitAck()){I2C_Stop(); return FALSE;}
- I2C_SendByte(REG_Address ); //設置低起始地址
- I2C_WaitAck();
- I2C_SendByte(REG_data);
- I2C_WaitAck();
- I2C_Stop();
- delay5ms();
- return TRUE;
- }
- //單字節讀取*****************************************
- unsigned char Single_Read(unsigned char SlaveAddress,unsigned char REG_Address)
- { unsigned char REG_data;
- if(!I2C_Start())return FALSE;
- I2C_SendByte(SlaveAddress); //I2C_SendByte(((REG_Address & 0x0700) >>7) | REG_Address & 0xFFFE);//設置高起始地址+器件地址
- if(!I2C_WaitAck()){I2C_Stop();test=1; return FALSE;}
- I2C_SendByte((u8) REG_Address); //設置低起始地址
- I2C_WaitAck();
- I2C_Start();
- I2C_SendByte(SlaveAddress+1);
- I2C_WaitAck();
- REG_data= I2C_RadeByte();
- I2C_NoAck();
- I2C_Stop();
- //return TRUE;
- return REG_data;
- }
- /*
- ********************************************************************************
- ** 函數名稱 : RCC_Configuration(void)
- ** 函數功能 : 時鐘初始化
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void RCC_Configuration(void)
- {
- /* RCC system reset(for debug purpose) */
- RCC_DeInit();
- /* Enable HSE */
- RCC_HSEConfig(RCC_HSE_ON);
- /* Wait till HSE is ready */
- HSEStartUpStatus = RCC_WaitForHSEStartUp();
- if(HSEStartUpStatus == SUCCESS)
- {
- /* HCLK = SYSCLK */
- RCC_HCLKConfig(RCC_SYSCLK_Div1);
-
- /* PCLK2 = HCLK */
- RCC_PCLK2Config(RCC_HCLK_Div1);
- /* PCLK1 = HCLK/2 */
- RCC_PCLK1Config(RCC_HCLK_Div2);
- /* Flash 2 wait state */
- FLASH_SetLatency(FLASH_Latency_2);
- /* Enable Prefetch Buffer */
- FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable);
- /* PLLCLK = 8MHz * 9 = 72 MHz */
- RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_9);
- /* Enable PLL */
- RCC_PLLCmd(ENABLE);
- /* Wait till PLL is ready */
- while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET)
- {
- }
- /* Select PLL as system clock source */
- RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);
- /* Wait till PLL is used as system clock source */
- while(RCC_GetSYSCLKSource() != 0x08)
- {
- }
- }
- /* Enable GPIOA, GPIOB, GPIOC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB , ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD , ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOF , ENABLE);
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOG | RCC_APB2Periph_AFIO , ENABLE);
- }
- /*
- ********************************************************************************
- ** 函數名稱 : GPIO_Configuration(void)
- ** 函數功能 : 端口初始化
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void GPIO_Configuration(void)
- {
- GPIO_InitTypeDef GPIO_InitStructure;
- RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD, ENABLE );
- /* Configure USART1 Tx (PA.09) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; // 選中管腳9
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 最高輸出速率50MHz
- GPIO_Init(GPIOA, &GPIO_InitStructure); // 選擇A端口
-
- /* Configure USART1 Rx (PA.10) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; //選中管腳10
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //浮空輸入
- GPIO_Init(GPIOA, &GPIO_InitStructure); //選擇A端口
- /* Configure USART2 Tx (PA.02) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // 選中管腳2
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 最高輸出速率50MHz
- GPIO_Init(GPIOA, &GPIO_InitStructure); // 選擇A端口
-
- /* Configure USART2 Rx (PA.03) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; //選中管腳3
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //浮空輸入
- GPIO_Init(GPIOA, &GPIO_InitStructure); //選擇A端口
- /* Configure USART3 Tx (PB.10) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; // 選中管腳10
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 最高輸出速率50MHz
- GPIO_Init(GPIOB, &GPIO_InitStructure); // 選擇B端口
-
- /* Configure USART3 Rx (PB.11) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; //選中管腳11
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //浮空輸入
- GPIO_Init(GPIOB, &GPIO_InitStructure); //選擇B端口
- /* Configure USART4 Tx (PC.10) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; // 選中管腳10
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 最高輸出速率50MHz
- GPIO_Init(GPIOC, &GPIO_InitStructure); // 選擇C端口
-
- /* Configure USART4 Rx (PC.11) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; //選中管腳11
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //浮空輸入
- GPIO_Init(GPIOC, &GPIO_InitStructure); //選擇C端口
- /* Configure USART5 Tx (PC.12) as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; // 選中管腳12
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 復用推挽輸出
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // 最高輸出速率50MHz
- GPIO_Init(GPIOC, &GPIO_InitStructure); // 選擇C端口
-
- /* Configure USART5 Rx (PD.2) as input floating */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //選中管腳2
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //浮空輸入
- GPIO_Init(GPIOD, &GPIO_InitStructure); //選擇D端口
- }
- /*
- ********************************************************************************
- ** 函數名稱 : USART1_Configuration(void)
- ** 函數功能 : 串口1初始化
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void USART1_Configuration(void)
- {
- USART_InitTypeDef USART_InitStructure;
- USART_ClockInitTypeDef USART_ClockInitStructure;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 |RCC_APB2Periph_USART1, ENABLE );
- USART_ClockInitStructure.USART_Clock = USART_Clock_Disable; // 時鐘低電平活動
- USART_ClockInitStructure.USART_CPOL = USART_CPOL_Low; // 時鐘低電平
- USART_ClockInitStructure.USART_CPHA = USART_CPHA_2Edge; // 時鐘第二個邊沿進行數據捕獲
- USART_ClockInitStructure.USART_LastBit = USART_LastBit_Disable; // 最后一位數據的時鐘脈沖不從SCLK輸出
- /* Configure the USART1 synchronous paramters */
- USART_ClockInit(USART1, &USART_ClockInitStructure); // 時鐘參數初始化設置
-
- USART_InitStructure.USART_BaudRate = 115200; // 波特率為:115200
- USART_InitStructure.USART_WordLength = USART_WordLength_8b; // 8位數據
- USART_InitStructure.USART_StopBits = USART_StopBits_1; // 在幀結尾傳輸1個停止位
- USART_InitStructure.USART_Parity = USART_Parity_No ; // 奇偶失能
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; // 硬件流控制失能
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; // 發送使能+接收使能
- /* Configure USART1 basic and asynchronous paramters */
- USART_Init(USART1, &USART_InitStructure);
-
- /* Enable USART1 */
- USART_ClearFlag(USART1, USART_IT_RXNE); //清中斷,以免一啟用中斷后立即產生中斷
- USART_ITConfig(USART1,USART_IT_RXNE, ENABLE); //使能USART1中斷源
- USART_Cmd(USART1, ENABLE); //USART1總開關:開啟
- }
- /*
- ********************************************************************************
- ** 函數名稱 : NVIC_Configuration(void)
- ** 函數功能 : 中斷初始化
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void NVIC_Configuration(void)
- {
- NVIC_InitTypeDef NVIC_InitStructure;
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
-
- NVIC_InitStructure.NVIC_IRQChannel = WWDG_IRQChannel;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
- NVIC_Init(&NVIC_InitStructure);
- }
- /*
- ********************************************************************************
- ** 函數名稱 : WWDG_Configuration(void)
- ** 函數功能 : 看門狗初始化
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void WWDG_Configuration(void)
- {
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_WWDG, ENABLE);
- WWDG_SetPrescaler(WWDG_Prescaler_8); // WWDG clock counter = (PCLK1/4096)/8 = 244 Hz (~4 ms)
- WWDG_SetWindowValue(0x41); // Set Window value to 0x41
- WWDG_Enable(0x50); // Enable WWDG and set counter value to 0x7F, WWDG timeout = ~4 ms * 64 = 262 ms
- WWDG_ClearFlag(); // Clear EWI flag
- WWDG_EnableIT(); // Enable EW interrupt
- }
- /*
- ********************************************************************************
- ** 函數名稱 : Delay(vu32 nCount)
- ** 函數功能 : 延時函數
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void Delay(vu32 nCount)
- {
- for(; nCount != 0; nCount--);
- }
- /*
- ********************************************************************************
- ** 函數名稱 : void Delayms(vu32 m)
- ** 函數功能 : 長延時函數 m=1,延時1ms
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void Delayms(vu32 m)
- {
- u32 i;
-
- for(; m != 0; m--)
- for (i=0; i<50000; i++);
- }
- /*
- ********************************************************************************
- ** 函數名稱 : WWDG_IRQHandler(void)
- ** 函數功能 : 窗口提前喚醒中斷
- ** 輸 入 : 無
- ** 輸 出 : 無
- ** 返 回 : 無
- ********************************************************************************
- */
- void WWDG_IRQHandler(void)
- {
- /* Update WWDG counter */
- WWDG_SetCounter(0x50);
-
- /* Clear EWI flag */
- WWDG_ClearFlag();
-
- }
- //************************************************
- void USART1_SendData(uchar SendData)
- {
- USART_SendData(USART1, SendData);
- Delayms(1);
- }
-
- //********************************************************************
- long bmp085ReadTemp(void)
- { short temp_ut;
- Single_Write(BMP085_Addr,0xF4,0x2E);
- Delayms(5); // max time is 4.5ms
- temp_ut = Single_Read(BMP085_Addr,0xF6);
- temp_ut = (temp_ut<<8)| Single_Read(BMP085_Addr,0xF7);
- return (long) temp_ut ;
- }
- //*************************************************************
- long bmp085ReadPressure(void)
- {
- long pressure = 0;
- Single_Write(BMP085_Addr,0xF4,0x34);
- Delayms(5); // max time is 4.5ms
- pressure = Single_Read(BMP085_Addr,0xF6);
- pressure = (pressure<<8)| Single_Read(BMP085_Addr,0xF7);
- pressure &= 0x0000FFFF;
- return pressure;
- }
- //******************
- Send_ADXL345_data(int dis_data)
- { float temp ;
- if(dis_data>0x7fff)dis_data-=0xffff;
- if(dis_data<0){
- dis_data=-dis_data;
- USART_SendData(USART1,'-');
- Delayms(2);
- }
- else
- {
- USART_SendData(USART1,'+');
- Delayms(2);
- }
- temp=(float)dis_data*3.9; //計算數據和顯示,查考ADXL345快速入門第4頁
- conversion(temp); //轉換出顯示需要的數據
- USART1_SendData(qian);
- USART1_SendData('.');
- USART1_SendData(bai);
- USART1_SendData(shi);
- USART1_SendData(ge);
- USART1_SendData('g');
- }
- //***************************************
- //******************
- Send_L3G420D_data(short dis_data)
- { float temp ;
- if(dis_data<0){
- dis_data=-dis_data;
- USART_SendData(USART1,'-');
- Delayms(2);
- }
- else
- {
- USART_SendData(USART1,'+');
- Delayms(2);
- }
- temp=(float)dis_data*0.07; //計算數據和顯示,查考ADXL345快速入門第4頁
- conversion(temp); //轉換出顯示需要的數據
- USART1_SendData(bai);
- USART1_SendData(shi);
- USART1_SendData(ge);
-
- }
- //***************************************
- void Send_HMC5883L()
- {
- USART1_SendData('H');
- USART1_SendData('M');
- USART1_SendData('C');
- USART1_SendData('5');
- USART1_SendData('8');
- USART1_SendData('8');
- USART1_SendData('3');
- USART1_SendData('L');
- USART1_SendData(':');
- conversion(angle);
- USART1_SendData(bai);
- USART1_SendData(shi);
- USART1_SendData(ge);
- USART1_SendData('`');
- USART1_SendData(0x0d);
- USART1_SendData(0x0a);
- }
- //*************************************************
- void Send_BMP085()
- {
- USART1_SendData('B');
- USART1_SendData('M');
- USART1_SendData('P');
- USART1_SendData('0');
- USART1_SendData('8');
- USART1_SendData('5');
- USART1_SendData(':');
- USART1_SendData('t');
- USART1_SendData('=');
- conversion(temperature);
- USART1_SendData(bai);
- USART1_SendData(shi);
- USART1_SendData('.');
- USART1_SendData(ge);
- USART1_SendData('`');
- USART1_SendData('C');
- USART1_SendData(' ');
- USART1_SendData('p');
- USART1_SendData('=');
- conversion(pressure);
- USART1_SendData(shiwan);
- USART1_SendData(wan);
- USART1_SendData(qian);
- USART1_SendData('.');
- USART1_SendData(bai);
- USART1_SendData(shi);
- USART1_SendData(ge);
- USART1_SendData('K');
- USART1_SendData('p');
- USART1_SendData('a');
- USART1_SendData(0x0d);
- USART1_SendData(0x0a);
- }
- //*****************************************************
- void Send_ADXL345()
- {
- USART1_SendData('A');
- USART1_SendData('D');
- USART1_SendData('X');
- USART1_SendData('L');
- USART1_SendData('3');
- USART1_SendData('4');
- USART1_SendData('5');
- USART1_SendData(':');
- USART1_SendData('X');
- USART1_SendData('=');
- Send_ADXL345_data(A_X);
- USART1_SendData('Y');
- USART1_SendData('=');
- Send_ADXL345_data(A_Y);
- USART1_SendData('Z');
- USART1_SendData('=');
- Send_ADXL345_data(A_Z);
- adxl345_angle();
- USART1_SendData(0x0d);
- USART1_SendData(0x0a);
- }
- //*****************************************************
- void Send_L3G4200D()
- {
- USART1_SendData('L');
- USART1_SendData('3');
- USART1_SendData('G');
- USART1_SendData('4');
- USART1_SendData('2');
- USART1_SendData('0');
- USART1_SendData('0');
- USART1_SendData('D');
- USART1_SendData(':');
- USART1_SendData('X');
- USART1_SendData('=');
- Send_L3G420D_data(T_X);
- USART1_SendData('Y');
- USART1_SendData('=');
- Send_L3G420D_data(T_Y);
- USART1_SendData('Z');
- USART1_SendData('=');
- Send_L3G420D_data(T_Z);
- USART1_SendData(0x0d);
- USART1_SendData(0x0a);
- }
- //******************************************************
- void read_hmc5883l(void)
- {
- Single_Write(HMC5883L_Addr,0x00,0x14); //
- Single_Write(HMC5883L_Addr,0x02,0x00); //
- Delayms(10);
- BUF[1]=Single_Read(HMC5883L_Addr,0x03);//OUT_X_L_A
- BUF[2]=Single_Read(HMC5883L_Addr,0x04);//OUT_X_H_A
- BUF[3]=Single_Read(HMC5883L_Addr,0x07);//OUT_Y_L_A
- BUF[4]=Single_Read(HMC5883L_Addr,0x08);//OUT_Y_H_A
- x=(BUF[1] << 8) | BUF[2]; //Combine MSB and LSB of X Data output register
- y=(BUF[3] << 8) | BUF[4]; //Combine MSB and LSB of Z Data output register
- if(x>0x7fff)x-=0xffff;
- if(y>0x7fff)y-=0xffff;
- angle= atan2(y,x) * (180 / 3.14159265) + 180; // angle in degrees
- }
- //****************************************
- void read_ADXL345(void)
- {
- BUF[0]=Single_Read(ADXL345_Addr,0x32);//OUT_X_L_A
- BUF[1]=Single_Read(ADXL345_Addr,0x33);//OUT_X_H_A
- BUF[2]=Single_Read(ADXL345_Addr,0x34);//OUT_Y_L_A
- BUF[3]=Single_Read(ADXL345_Addr,0x35);//OUT_Y_H_A
- BUF[4]=Single_Read(ADXL345_Addr,0x36);//OUT_Z_L_A
- BUF[5]=Single_Read(ADXL345_Addr,0x37);//OUT_Z_H_A
- A_X=(BUF[1]<<8)+BUF[0]; //合成數據
- A_Y=(BUF[3]<<8)+BUF[2]; //合成數據
- A_Z=(BUF[5]<<8)+BUF[4]; //合成數據
- }
- //*****************************************
- void read_BMP085(void)
- {
- long ut;
- long up;
- long x1, x2, b5, b6, x3, b3, p;
- unsigned long b4, b7;
- ut = bmp085ReadTemp(); // 讀取溫度
- // ut = bmp085ReadTemp(); // 讀取溫度
- up = bmp085ReadPressure(); // 讀取壓強
- // up = bmp085ReadPressure(); // 讀取壓強
- x1 = ((long)ut - ac6) * ac5 >> 15;
- x2 = ((long) mc << 11) / (x1 + md);
- b5 = x1 + x2;
- temperature = (b5 + 8) >> 4;
-
- //****************
- b6 = b5 - 4000;
- x1 = (b2 * (b6 * b6 >> 12)) >> 11;
- x2 = ac2 * b6 >> 11;
- x3 = x1 + x2;
- b3 = (((long)ac1 * 4 + x3) + 2)/4;
- x1 = ac3 * b6 >> 13;
- x2 = (b1 * (b6 * b6 >> 12)) >> 16;
- x3 = ((x1 + x2) + 2) >> 2;
- b4 = (ac4 * (unsigned long) (x3 + 32768)) >> 15;
- b7 = ((unsigned long) up - b3) * (50000 >> OSS);
- if( b7 < 0x80000000)
- p = (b7 * 2) / b4 ;
- else
- p = (b7 / b4) * 2;
- x1 = (p >> 8) * (p >> 8);
- x1 = (x1 * 3038) >> 16;
- x2 = (-7357 * p) >> 16;
- pressure = p + ((x1 + x2 + 3791) >> 4);
- }
- //***************************
- void Init_ADXL345(void)
- {
- Single_Write(ADXL345_Addr,0x31,0x0B); //測量范圍,正負16g,13位模式
- // Single_Write(ADXL345_Addr,0x2C,0x0e); //速率設定為100hz 參考pdf13頁
- Single_Write(ADXL345_Addr,0x2D,0x08); //選擇電源模式 參考pdf24頁
- Single_Write(ADXL345_Addr,0x2E,0x80); //使能 DATA_READY 中斷
- // Single_Write(ADXL345_Addr,0x1E,0x00); //X 偏移量 根據測試傳感器的狀態寫入pdf29頁
- // Single_Write(ADXL345_Addr,0x1F,0x00); //Y 偏移量 根據測試傳感器的狀態寫入pdf29頁
- // Single_Write(ADXL345_Addr,0x20,0x05); //Z 偏移量 根據測試傳感器的狀態寫入pdf29頁
- }
- //****************************
- void Init_BMP085(void)
- {
- ac1 = Single_Read(BMP085_Addr,0xAA);
- ac1 = (ac1<<8)|Single_Read(BMP085_Addr,0xAB);
- ac2 = Single_Read(BMP085_Addr,0xAC);
- ac2 = (ac2<<8)| Single_Read(BMP085_Addr,0xAD);
- ac3 = Single_Read(BMP085_Addr,0xAE);
- ac3 = (ac3<<8)| Single_Read(BMP085_Addr,0xAF);
- ac4 = Single_Read(BMP085_Addr,0xB0);
- ac4 = (ac4<<8)| Single_Read(BMP085_Addr,0xB1);
- ac5 = Single_Read(BMP085_Addr,0xB2);
- ac5 = (ac5<<8)| Single_Read(BMP085_Addr,0xB3);
- ac6 = Single_Read(BMP085_Addr,0xB4);
- ac6 = (ac6<<8)| Single_Read(BMP085_Addr,0xB5);
- b1 = Single_Read(BMP085_Addr,0xB6);
- b1 = (b1<<8)| Single_Read(BMP085_Addr,0xB7);
- b2 = Single_Read(BMP085_Addr,0xB8);
- b2 = (b2<<8)| Single_Read(BMP085_Addr,0xB9);
- mb = Single_Read(BMP085_Addr,0xBA);
- mb = (mb<<8)| Single_Read(BMP085_Addr,0xBB);
- mc = Single_Read(BMP085_Addr,0xBC);
- ……………………
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