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標(biāo)題:
hmc5883l+ADXL345+BMP085 stm32驅(qū)動程序
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作者:
MineMine
時(shí)間:
2017-2-5 14:33
標(biāo)題:
hmc5883l+ADXL345+BMP085 stm32驅(qū)動程序
/*******************************************************************************
HMC5883L + ADXL345 + BMP085 驅(qū)動函數(shù)
注意初始化PB6、PB7接口,配置RCC GPIO NVIC
*******************************************************************************/
#include "stm32f10x.h"
#include "HMC5883L.h"
#include "printf.h"
#include <math.h> //Keil library
#define uchar unsigned char
#define uint unsigned int
#define OSS 0 // BMP085使用
#define HMC5883L_Addr 0x3C //器件地址
//#define HMC5883L_Addr_read 0x3d //器件地址
#define ADXL345_Addr 0xA6 //器件地址
#define BMP085_Addr 0xee //器件地址,寫
//#define BMP085_Addr_read 0xef //器件地址,讀
unsigned char BUF[8]; //接收數(shù)據(jù)緩存區(qū)
char test=0;
int x,y;
float angle;
u8 ge,shi,bai,qian,wan,shiwan; //顯示變量
int A_X,A_Y,A_Z;
//***BMP085使用
short ac1=408;
short ac2=-72;
short ac3=-14383;
unsigned short ac4=32741;
unsigned short ac5=32757;
unsigned short ac6=23153;
short b1=6190;
short b2=4;
short mb=32768;
short mc=-8711;
short md=2868;
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
void module_init(void)
{
I2C_GPIO_Config();
Init_HMC5883L();
Init_ADXL345();
Init_BMP085();
}
void conversion(long temp_data)
{
shiwan=temp_data/100000+0x30 ;
temp_data=temp_data%100000; //取余運(yùn)算
wan=temp_data/10000+0x30 ;
temp_data=temp_data%10000; //取余運(yùn)算
qian=temp_data/1000+0x30 ;
temp_data=temp_data%1000; //取余運(yùn)算
bai=temp_data/100+0x30 ;
temp_data=temp_data%100; //取余運(yùn)算
shi=temp_data/10+0x30 ;
temp_data=temp_data%10; //取余運(yùn)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=15; //這里可以優(yōu)化速度 ,經(jīng)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(cuò),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(shù)據(jù)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(shù)據(jù)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(jié)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(fā)送設(shè)備地址+寫信號//I2C_SendByte(((REG_Address & 0x0700) >>7) | SlaveAddress & 0xFFFE);//設(shè)置高起始地址+器件地址
if(!I2C_WaitAck()){I2C_Stop(); return FALSE;}
I2C_SendByte(REG_Address ); //設(shè)置低起始地址
I2C_WaitAck();
I2C_SendByte(REG_data);
I2C_WaitAck();
I2C_Stop();
delay5ms();
return TRUE;
}
//單字節(jié)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(shè)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(shè)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(shù)名稱 : WWDG_Configuration(void)
** 函數(shù)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
}
*/
void Delay(vu32 nCount)
{
for(; nCount != 0; nCount--);
}
void Delayms(vu32 m)
{
u32 i;
for(; m != 0; m--)
for (i=0; i<50000; i++);
}
///*
//********************************************************************************
//** 函數(shù)名稱 : WWDG_IRQHandler(void)
//** 函數(shù)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();
//
//}
//********************************************************************
long bmp085ReadTemp(void)
{ short temp_ut;
Single_Write(BMP085_Addr,0xF4,0x2E);
Delayms(2); // 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;
long mid=0;
Single_Write(BMP085_Addr,0xF4,0x34);
Delayms(2); // max time is 4.5ms
pressure = Single_Read(BMP085_Addr,0xF6);
pressure = (pressure<<8)| Single_Read(BMP085_Addr,0xF7);
mid=Single_Read(BMP085_Addr,0xF8);
pressure=(pressure<<8)| mid;
// pressure &= 0x0000FFFF;
return pressure;
}
//******************
void 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(jì)算數(shù)據(jù)和顯示,查考ADXL345快速入門第4頁
conversion(temp); //轉(zhuǎn)換出顯示需要的數(shù)據(jù)
// Usart1_SendData(qian);
// Usart1_SendData('.');
// Usart1_SendData(bai);
// USART1_SendData(shi);
// USART1_SendData(ge);
// USART1_SendData('g');
printf(" %u . %u %u %u g \r\n",qian,bai,shi,ge);
}
//***************************************
//*************************************************
//*****************************************************
//******************************************************
void read_hmc5883l(void)
{
Single_Write(HMC5883L_Addr,0x00,0x14); //
Single_Write(HMC5883L_Addr,0x01,0x20); //配置寄存器B,增益比1090counts/gauss
Single_Write(HMC5883L_Addr,0x02,0x00); //
Delayms(10);
BUF[1]=Single_Read(HMC5883L_Addr,0x03);//OUT_X_H_A
BUF[2]=Single_Read(HMC5883L_Addr,0x04);//OUT_X_L_A
BUF[3]=Single_Read(HMC5883L_Addr,0x07);//OUT_Y_H_A
BUF[4]=Single_Read(HMC5883L_Addr,0x08);//OUT_Y_L_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 Send_HMC5883L()
{
conversion(angle);
printf(" HMC5883L angle=%f \r\n",angle);
// printf(" HMC5883L: %d %d %d \r\n",bai,shi,ge);
printf(" HMC5883L Over \r\n");
}
//****************************************
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(shù)據(jù)
A_Y=(BUF[3]<<8)+BUF[2]; //合成數(shù)據(jù)
A_Z=(BUF[5]<<8)+BUF[4]; //合成數(shù)據(jù)
}
void Send_ADXL345()
{
printf(" ADXL345: X=%u Y=%u Z=%u \r\n",A_X,A_Y,A_Z);
// 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);
printf(" ADXL345 Over \r\n");
}
//*****************************************
void read_BMP085(void)
{
long ut;
long up;
long x1, x2, b5, b6, x3, b3, p;
unsigned long b4, b7;
// ac6=Single_Read(BMP085_Addr,0xB4);
// ac6=(ac6<<8)|Single_Read(BMP085_Addr_read,0xB5);
// ac5=Single_Read(BMP085_Addr_read,0xB2);
// ac5=(ac5<<8)|Single_Read(BMP085_Addr_read,0xB3);
// ac4=Single_Read(BMP085_Addr_read,0xB0);
// ac4=(ac4<<8)|Single_Read(BMP085_Addr_read,0xB1);
// ac3=Single_Read(BMP085_Addr_read,0xAE);
// ac3=(ac3<<8)|Single_Read(BMP085_Addr_read,0xAF);
// ac2=Single_Read(BMP085_Addr_read,0xAC);
// ac2=(ac2<<8)|Single_Read(BMP085_Addr_read,0xAD);
// ac1=Single_Read(BMP085_Addr_read,0xAA);
// ac1=(ac1<<8)|Single_Read(BMP085_Addr_read,0xAB);
ut = bmp085ReadTemp(); // 讀取溫度
up = bmp085ReadPressure(); // 讀取壓強(qiáng)
printf(" T=%f P=%f \r\n",ut,up);
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 Send_BMP085()
{
conversion(temperature);
printf(" temperature=%f \r\n",temperature);
// printf(" BMP085: T=%u %u . %u Degree \r\n",bai,shi,ge);
conversion(pressure);
printf(" pressure=%f KPa \r\n",pressure);
// printf(" P=%u %u %u . %u %u %u KPa \r\n",shiwan,wan,qian,bai,shi,ge);
printf(" BMP085 Over \r\n");
}
//***************************
void Init_ADXL345(void)
{
Single_Write(ADXL345_Addr,0x31,0x0B); //測量范圍,正負(fù)16g,13位模式
Single_Write(ADXL345_Addr,0x2C,0x0e); //速率設(shè)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(jù)測試傳感器的狀態(tài)寫入pdf29頁
// Single_Write(ADXL345_Addr,0x1F,0x00); //Y 偏移量 根據(jù)測試傳感器的狀態(tài)寫入pdf29頁
// Single_Write(ADXL345_Addr,0x20,0x05); //Z 偏移量 根據(jù)測試傳感器的狀態(tài)寫入pdf29頁
printf(" ADXL345_initial \r\n");
}
//****************************
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);
mc = (mc<<8)| Single_Read(BMP085_Addr,0xBD);
md = Single_Read(BMP085_Addr,0xBE);
md = (md<<8)| Single_Read(BMP085_Addr,0xBF);
printf(" BMP085_initial \r\n");
}
//****************************
void Init_HMC5883L(void)
{
Single_Write(HMC5883L_Addr,0x00,0x14); //配置寄存器A,速率30Hz
Single_Write(HMC5883L_Addr,0x01,0x20); //配置寄存器B,增益比1090counts/gauss
Single_Write(HMC5883L_Addr,0x02,0x00); //連續(xù)測量模式
printf(" HMC5883L_initial \r\n");
}
//int main(void)
//{
// RCC_Configuration();
// GPIO_Configuration();
// USART1_Configuration();
// I2C_GPIO_Config();
//
// Init_HMC5883L();
// Init_ADXL345();
// Init_BMP085();
//
// while(1)
// {
// read_hmc5883l();
// Send_HMC5883L();
// read_ADXL345();
// Send_ADXL345();
// read_BMP085();
// Send_BMP085();
// Delayms(300);
// }
//}
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