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心率检测

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心率检测/MAX30102/DebugConfig/Target_1_STM32F103C6_1.0.0.dbgconf 0 → 100644
View file @ 994e1da5
// <<< Use Configuration Wizard in Context Menu >>>
// <h> Debug MCU Configuration
// <o0.0> DBG_SLEEP
// <i> Debug Sleep Mode
// <i> 0: (FCLK=On, HCLK=Off) FCLK is clocked by the system clock as previously configured by the software while HCLK is disabled
// <i> 1: (FCLK=On, HCLK=On) HCLK is fed by the same clock that is provided to FCLK
// <o0.1> DBG_STOP
// <i> Debug Stop Mode
// <i> 0: (FCLK=Off, HCLK=Off) Clock controller disables all clocks
// <i> 1: (FCLK=On, HCLK=On) FCLK and HCLK are provided by the internal RC oscillator which remains active
// <o0.2> DBG_STANDBY
// <i> Debug Standby Mode
// <i> 0: (FCLK=Off, HCLK=Off) The whole digital part is unpowered.
// <i> 1: (FCLK=On, HCLK=On) Digital part is powered and FCLK and HCLK are provided by the internal RC oscillator which remains active
// <o0.8> DBG_IWDG_STOP
// <i> Debug independent watchdog stopped when core is halted
// <i> 0: The watchdog counter clock continues even if the core is halted
// <i> 1: The watchdog counter clock is stopped when the core is halted
// <o0.9> DBG_WWDG_STOP
// <i> Debug window watchdog stopped when core is halted
// <i> 0: The window watchdog counter clock continues even if the core is halted
// <i> 1: The window watchdog counter clock is stopped when the core is halted
// <o0.10> DBG_TIM1_STOP
// <i> Timer 1 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.11> DBG_TIM2_STOP
// <i> Timer 2 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.12> DBG_TIM3_STOP
// <i> Timer 3 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.13> DBG_TIM4_STOP
// <i> Timer 4 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.14> DBG_CAN1_STOP
// <i> Debug CAN1 stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: CAN1 receive registers are frozen
// <o0.15> DBG_I2C1_SMBUS_TIMEOUT
// <i> I2C1 SMBUS timeout mode stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: The SMBUS timeout is frozen
// <o0.16> DBG_I2C2_SMBUS_TIMEOUT
// <i> I2C2 SMBUS timeout mode stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: The SMBUS timeout is frozen
// <o0.17> DBG_TIM8_STOP
// <i> Timer 8 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.18> DBG_TIM5_STOP
// <i> Timer 5 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.19> DBG_TIM6_STOP
// <i> Timer 6 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.20> DBG_TIM7_STOP
// <i> Timer 7 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.21> DBG_CAN2_STOP
// <i> Debug CAN2 stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: CAN2 receive registers are frozen
// <o0.25> DBG_TIM12_STOP
// <i> Timer 12 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.26> DBG_TIM13_STOP
// <i> Timer 13 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.27> DBG_TIM14_STOP
// <i> Timer 14 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.28> DBG_TIM9_STOP
// <i> Timer 9 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.29> DBG_TIM10_STOP
// <i> Timer 10 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.30> DBG_TIM11_STOP
// <i> Timer 11 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// </h>
DbgMCU_CR = 0x00000007;
// <<< end of configuration section >>>
\ No newline at end of file
心率检测/MAX30102/DebugConfig/Target_1_STM32F103C8_1.0.0.dbgconf 0 → 100644
View file @ 994e1da5
// <<< Use Configuration Wizard in Context Menu >>>
// <h> Debug MCU Configuration
// <o0.0> DBG_SLEEP
// <i> Debug Sleep Mode
// <i> 0: (FCLK=On, HCLK=Off) FCLK is clocked by the system clock as previously configured by the software while HCLK is disabled
// <i> 1: (FCLK=On, HCLK=On) HCLK is fed by the same clock that is provided to FCLK
// <o0.1> DBG_STOP
// <i> Debug Stop Mode
// <i> 0: (FCLK=Off, HCLK=Off) Clock controller disables all clocks
// <i> 1: (FCLK=On, HCLK=On) FCLK and HCLK are provided by the internal RC oscillator which remains active
// <o0.2> DBG_STANDBY
// <i> Debug Standby Mode
// <i> 0: (FCLK=Off, HCLK=Off) The whole digital part is unpowered.
// <i> 1: (FCLK=On, HCLK=On) Digital part is powered and FCLK and HCLK are provided by the internal RC oscillator which remains active
// <o0.8> DBG_IWDG_STOP
// <i> Debug independent watchdog stopped when core is halted
// <i> 0: The watchdog counter clock continues even if the core is halted
// <i> 1: The watchdog counter clock is stopped when the core is halted
// <o0.9> DBG_WWDG_STOP
// <i> Debug window watchdog stopped when core is halted
// <i> 0: The window watchdog counter clock continues even if the core is halted
// <i> 1: The window watchdog counter clock is stopped when the core is halted
// <o0.10> DBG_TIM1_STOP
// <i> Timer 1 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.11> DBG_TIM2_STOP
// <i> Timer 2 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.12> DBG_TIM3_STOP
// <i> Timer 3 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.13> DBG_TIM4_STOP
// <i> Timer 4 counter stopped when core is halted
// <i> 0: The clock of the involved Timer Counter is fed even if the core is halted
// <i> 1: The clock of the involved Timer counter is stopped when the core is halted
// <o0.14> DBG_CAN1_STOP
// <i> Debug CAN1 stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: CAN1 receive registers are frozen
// <o0.15> DBG_I2C1_SMBUS_TIMEOUT
// <i> I2C1 SMBUS timeout mode stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: The SMBUS timeout is frozen
// <o0.16> DBG_I2C2_SMBUS_TIMEOUT
// <i> I2C2 SMBUS timeout mode stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: The SMBUS timeout is frozen
// <o0.17> DBG_TIM8_STOP
// <i> Timer 8 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.18> DBG_TIM5_STOP
// <i> Timer 5 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.19> DBG_TIM6_STOP
// <i> Timer 6 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.20> DBG_TIM7_STOP
// <i> Timer 7 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.21> DBG_CAN2_STOP
// <i> Debug CAN2 stopped when Core is halted
// <i> 0: Same behavior as in normal mode
// <i> 1: CAN2 receive registers are frozen
// <o0.25> DBG_TIM12_STOP
// <i> Timer 12 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.26> DBG_TIM13_STOP
// <i> Timer 13 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.27> DBG_TIM14_STOP
// <i> Timer 14 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.28> DBG_TIM9_STOP
// <i> Timer 9 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.29> DBG_TIM10_STOP
// <i> Timer 10 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// <o0.30> DBG_TIM11_STOP
// <i> Timer 11 counter stopped when core is halted
// <i> 0: The clock of the involved timer counter is fed even if the core is halted, and the outputs behave normally.
// <i> 1: The clock of the involved timer counter is stopped when the core is halted, and the outputs are disabled (as if there were an emergency stop in response to a break event).
// </h>
DbgMCU_CR = 0x00000007;
// <<< end of configuration section >>>
\ No newline at end of file
心率检测/MAX30102/Hardware/Algorithm/algorithm.c 0 → 100644
View file @ 994e1da5
/**
******************************************************************************
* @file algorithm.c
* @author 张沛田
* @version V1.0.0
* @date 2013-5-16
* @brief 基础计算算法
******************************************************************************
*/
/*--Include-start-------------------------------------------------------------*/
#include "algorithm.h"
#include "stm32f10x.h"
/*base value define-----------------------------------------------------------*/
#define XPI (3.1415926535897932384626433832795)
#define XENTRY (100)
#define XINCL (XPI/2/XENTRY)
#define PI 3.1415926535897932384626433832795028841971 //定义圆周率值
/*Global data space ----------------------------------------------------------*/
//正弦值对应表
static const double XSinTbl[] = {
0.00000000000000000 , 0.015707317311820675 , 0.031410759078128292 , 0.047106450709642665 , 0.062790519529313374 ,
0.078459095727844944 , 0.094108313318514325 , 0.10973431109104528 , 0.12533323356430426 , 0.14090123193758267 ,
0.15643446504023087 , 0.17192910027940955 , 0.18738131458572463 , 0.20278729535651249 , 0.21814324139654256 ,
0.23344536385590542 , 0.24868988716485479 , 0.26387304996537292 , 0.27899110603922928 , 0.29404032523230400 ,
0.30901699437494740 , 0.32391741819814940 , 0.33873792024529142 , 0.35347484377925714 , 0.36812455268467797 ,
0.38268343236508978 , 0.39714789063478062 , 0.41151435860510882 , 0.42577929156507272 , 0.43993916985591514 ,
0.45399049973954680 , 0.46792981426057340 , 0.48175367410171532 , 0.49545866843240760 , 0.50904141575037132 ,
0.52249856471594880 , 0.53582679497899666 , 0.54902281799813180 , 0.56208337785213058 , 0.57500525204327857 ,
0.58778525229247314 , 0.60042022532588402 , 0.61290705365297649 , 0.62524265633570519 , 0.63742398974868975 ,
0.64944804833018377 , 0.66131186532365183 , 0.67301251350977331 , 0.68454710592868873 , 0.69591279659231442 ,
0.70710678118654757 , 0.71812629776318881 , 0.72896862742141155 , 0.73963109497860968 , 0.75011106963045959 ,
0.76040596560003104 , 0.77051324277578925 , 0.78043040733832969 , 0.79015501237569041 , 0.79968465848709058 ,
0.80901699437494745 , 0.81814971742502351 , 0.82708057427456183 , 0.83580736136827027 , 0.84432792550201508 ,
0.85264016435409218 , 0.86074202700394364 , 0.86863151443819120 , 0.87630668004386369 , 0.88376563008869347 ,
0.89100652418836779 , 0.89802757576061565 , 0.90482705246601958 , 0.91140327663544529 , 0.91775462568398114 ,
0.92387953251128674 , 0.92977648588825146 , 0.93544403082986738 , 0.94088076895422557 , 0.94608535882754530 ,
0.95105651629515353 , 0.95579301479833012 , 0.96029368567694307 , 0.96455741845779808 , 0.96858316112863108 ,
0.97236992039767667 , 0.97591676193874743 , 0.97922281062176575 , 0.98228725072868872 , 0.98510932615477398 ,
0.98768834059513777 , 0.99002365771655754 , 0.99211470131447788 , 0.99396095545517971 , 0.99556196460308000 ,
0.99691733373312796 , 0.99802672842827156 , 0.99888987496197001 , 0.99950656036573160 , 0.99987663248166059 ,
1.00000000000000000 };
//向下取整
double my_floor(double x)
{
double y=x;
if( (*( ( (int *) &y)+1) & 0x80000000) != 0) //或者if(x<0)
return (float)((int)x)-1;
else
return (float)((int)x);
}
//求余运算
double my_fmod(double x, double y)
{
double temp, ret;
if (y == 0.0)
return 0.0;
temp = my_floor(x/y);
ret = x - temp * y;
if ((x < 0.0) != (y < 0.0))
ret = ret - y;
return ret;
}
//正弦函数
double XSin( double x )
{
int s = 0 , n;
double dx , sx , cx;
if( x < 0 )
s = 1 , x = -x;
x = my_fmod( x , 2 * XPI );
if( x > XPI )
s = !s , x -= XPI;
if( x > XPI / 2 )
x = XPI - x;
n = (int)( x / XINCL );
dx = x - n * XINCL;
if( dx > XINCL / 2 )
++n , dx -= XINCL;
sx = XSinTbl[n];
cx = XSinTbl[XENTRY-n];
x = sx + dx*cx - (dx*dx)*sx/2
- (dx*dx*dx)*cx/6
+ (dx*dx*dx*dx)*sx/24;
return s ? -x : x;
}
//余弦函数
double XCos( double x )
{
return XSin( x + XPI/2 );
}
//开平方
int qsqrt(int a)
{
uint32_t rem = 0, root = 0, divisor = 0;
uint16_t i;
for(i=0; i<16; i++)
{
root <<= 1;
rem = ((rem << 2) + (a>>30));
a <<= 2;
divisor = (root << 1) + 1;
if(divisor <= rem)
{
rem -= divisor;
root++;
}
}
return root;
}
/*********************************FFT*********************************
快速傅里叶变换C函数
函数简介：此函数是通用的快速傅里叶变换C语言函数，移植性强，以下部分不依
赖硬件。此函数采用联合体的形式表示一个复数，输入为自然顺序的复
数（输入实数是可令复数虚部为0），输出为经过FFT变换的自然顺序的
复数
使用说明：使用此函数只需更改宏定义FFT_N的值即可实现点数的改变，FFT_N的
应该为2的N次方，不满足此条件时应在后面补0
函数调用：FFT(s);
时 间：2010-2-20
版 本：Ver1.0
参考文献：
**********************************************************************/
/*******************************************************************
函数原型：struct compx EE(struct compx b1,struct compx b2)
函数功能：对两个复数进行乘法运算
输入参数：两个以联合体定义的复数a,b
输出参数：a和b的乘积，以联合体的形式输出
*******************************************************************/
struct compx EE(struct compx a,struct compx b)
{
struct compx c;
c.real=a.real*b.real-a.imag*b.imag;
c.imag=a.real*b.imag+a.imag*b.real;
return(c);
}
/*****************************************************************
函数原型：void FFT(struct compx *xin,int N)
函数功能：对输入的复数组进行快速傅里叶变换（FFT）
输入参数：*xin复数结构体组的首地址指针，struct型
*****************************************************************/
void FFT(struct compx *xin)
{
int f,m,nv2,nm1,i,k,l,j=0;
struct compx u,w,t;
nv2=FFT_N/2; //变址运算，即把自然顺序变成倒位序，采用雷德算法
nm1=FFT_N-1;
for(i=0;i<nm1;i++)
{
if(i<j) //如果i<j,即进行变址
{
t=xin[j];
xin[j]=xin[i];
xin[i]=t;
}
k=nv2; //求j的下一个倒位序
while(k<=j) //如果k<=j,表示j的最高位为1
{
j=j-k; //把最高位变成0
k=k/2; //k/2，比较次高位，依次类推，逐个比较，直到某个位为0
}
j=j+k; //把0改为1
}
{ //FFT运算核，使用蝶形运算完成FFT运算
int le,lei,ip;
f=FFT_N;
for(l=1;(f=f/2)!=1;l++) //计算l的值，即计算蝶形级数
;
for(m=1;m<=l;m++) // 控制蝶形结级数
{ //m表示第m级蝶形，l为蝶形级总数l=log（2）N
le=2<<(m-1); //le蝶形结距离，即第m级蝶形的蝶形结相距le点
lei=le/2; //同一蝶形结中参加运算的两点的距离
u.real=1.0; //u为蝶形结运算系数，初始值为1
u.imag=0.0;
w.real=XCos(PI/lei); //w为系数商，即当前系数与前一个系数的商
w.imag=-XSin(PI/lei);
for(j=0;j<=lei-1;j++) //控制计算不同种蝶形结，即计算系数不同的蝶形结
{
for(i=j;i<=FFT_N-1;i=i+le) //控制同一蝶形结运算，即计算系数相同蝶形结
{
ip=i+lei; //i，ip分别表示参加蝶形运算的两个节点
t=EE(xin[ip],u); //蝶形运算，详见公式
xin[ip].real=xin[i].real-t.real;
xin[ip].imag=xin[i].imag-t.imag;
xin[i].real=xin[i].real+t.real;
xin[i].imag=xin[i].imag+t.imag;
}
u=EE(u,w); //改变系数，进行下一个蝶形运算
}
}
}
}
//读取峰值
int find_max_num_index(struct compx *data,int count)
{
int i=START_INDEX;
int max_num_index = i;
//struct compx temp=data[i];
float temp = data[i].real;
for(i=START_INDEX;i<count;i++)
{
if(temp < data[i].real)
{
temp = data[i].real;
max_num_index = i;
}
}
//printf("max_num_index=%d\r\n",max_num_index);
return max_num_index;
}
//直流滤波器
int dc_filter(int input,DC_FilterData * df)
{
float new_w = input + df->w * df->a;
int16_t result = 5*(new_w - df->w);
df->w = new_w;
return result;
}
int bw_filter(int input,BW_FilterData * bw) {
bw->v0 = bw->v1;
// v1 = (3.04687470e-2 * input) + (0.9390625058 * v0);
bw->v1 = (1.241106190967544882e-2*input)+(0.97517787618064910582 * bw->v0);
return bw->v0 + bw->v1;
}
心率检测/MAX30102/Hardware/Algorithm/algorithm.h 0 → 100644
View file @ 994e1da5
#ifndef __ALGORITHM_H
#define __ALGORITHM_H
#define FFT_N 512 //定义傅里叶变换的点数
#define START_INDEX 4 //低频过滤阈值
struct compx //定义一个复数结构
{
float real;
float imag;
};
//向下取整
double my_floor(double x);
//求余运算
double my_fmod(double x, double y);
//正弦函数
double XSin( double x );
//余弦函数
double XCos( double x );
//开平方
int qsqrt(int a);
/*******************************************************************
函数原型：struct compx EE(struct compx b1,struct compx b2)
函数功能：对两个复数进行乘法运算
输入参数：两个以联合体定义的复数a,b
输出参数：a和b的乘积，以联合体的形式输出
*******************************************************************/
struct compx EE(struct compx a,struct compx b);
/*****************************************************************
函数原型：void FFT(struct compx *xin,int N)
函数功能：对输入的复数组进行快速傅里叶变换（FFT）
输入参数：*xin复数结构体组的首地址指针，struct型
*****************************************************************/
void FFT(struct compx *xin);
//读取峰值
int find_max_num_index(struct compx *data,int count);
typedef struct
{
float w;
int init;
float a;
}DC_FilterData;
//直流滤波器
int dc_filter(int input,DC_FilterData * df);
typedef struct
{
float v0;
float v1;
}BW_FilterData;
int bw_filter(int input,BW_FilterData * bw);
#endif /*__ALGORITHM_H*/
心率检测/MAX30102/Hardware/MAX30102/max30102.c 0 → 100644
View file @ 994e1da5
#include "MAX30102.h"
#include "delay.h"
uint16_t fifo_red;
uint16_t fifo_ir;
void MAX30102_GPIO(void)
{
RCC_APB2PeriphClockCmd(MAX30102_INTPin_CLK,ENABLE);
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStruct.GPIO_Pin = MAX30102_INTPin_Pin;
GPIO_Init(MAX30102_INTPin_PORT,&GPIO_InitStruct);
}
uint8_t Max30102_reset(void)
{
if(IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG, 0x40))
return 1;
else
return 0;
}
void MAX30102_Config(void)
{
IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_1,0xc0);//// INTR setting
IIC_Write_Byte(MAX30102_Device_address,REG_INTR_ENABLE_2,0x00);//
IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_WR_PTR,0x00);//FIFO_WR_PTR[4:0]
IIC_Write_Byte(MAX30102_Device_address,REG_OVF_COUNTER,0x00);//OVF_COUNTER[4:0]
IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_RD_PTR,0x00);//FIFO_RD_PTR[4:0]
IIC_Write_Byte(MAX30102_Device_address,REG_FIFO_CONFIG,0x0f);//sample avg = 1, fifo rollover=false, fifo almost full = 17
IIC_Write_Byte(MAX30102_Device_address,REG_MODE_CONFIG,0x03);//0x02 for Red only, 0x03 for SpO2 mode 0x07 multimode LED
IIC_Write_Byte(MAX30102_Device_address,REG_SPO2_CONFIG,0x27); // SPO2_ADC range = 4096nA, SPO2 sample rate (50 Hz), LED pulseWidth (400uS)
IIC_Write_Byte(MAX30102_Device_address,REG_LED1_PA,0x32);//Choose value for ~ 10mA for LED1
IIC_Write_Byte(MAX30102_Device_address,REG_LED2_PA,0x32);// Choose value for ~ 10mA for LED2
IIC_Write_Byte(MAX30102_Device_address,REG_PILOT_PA,0x7f);// Choose value for ~ 25mA for Pilot LED
}
void max30102_read_fifo(void)
{
uint16_t un_temp;//用于临时存储从FIFO读取的原始数据片段
fifo_red=0;//存储红光累计值。
fifo_ir=0;//存储红外光累计值。
uint8_t ach_i2c_data[6];//用于存储从FIFO读取的原始数据
//读取状态寄存器（REG_INTR_STATUS_1 和 REG_INTR_STATUS_2），并清除中断标志。
IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_1);
IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_2);
ach_i2c_data[0]=REG_FIFO_DATA;
IIC_Read_Array(MAX30102_Device_address,REG_FIFO_DATA,ach_i2c_data,6);//数据存储到ach_i2c_data数组中
un_temp=ach_i2c_data[0];
un_temp<<=14;
fifo_red+=un_temp;
un_temp=ach_i2c_data[1];
un_temp<<=6;
fifo_red+=un_temp;
un_temp=ach_i2c_data[2];
un_temp>>=2;
fifo_red+=un_temp;
un_temp=ach_i2c_data[3];
un_temp<<=14;
fifo_ir+=un_temp;
un_temp=ach_i2c_data[4];
un_temp<<=6;
fifo_ir+=un_temp;
un_temp=ach_i2c_data[5];
un_temp>>=2;
fifo_ir+=un_temp;
if(fifo_ir<=10000)//数据有效性检查
{
fifo_ir=0;
}
if(fifo_red<=10000)
{
fifo_red=0;
}
//UsartPrintf(USART_DEBUG,"%u,%u\n",fifo_red,fifo_ir);
}
void max30102_read_fifo2(void)
{
fifo_red=0;//存储红光累计值。
fifo_ir=0;//存储红外光累计值。
uint8_t ach_i2c_data[6];//用于存储从FIFO读取的原始数据
//读取状态寄存器（REG_INTR_STATUS_1 和 REG_INTR_STATUS_2），并清除中断标志。
IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_1);
IIC_Read_Byte(MAX30102_Device_address,REG_INTR_STATUS_2);
ach_i2c_data[0]=REG_FIFO_DATA;
IIC_Read_Array(MAX30102_Device_address,REG_FIFO_DATA,ach_i2c_data,6);//数据存储到ach_i2c_data数组中
fifo_red = ((ach_i2c_data[0] << 16 | ach_i2c_data[1] << 8 | ach_i2c_data[2]) & 0x03ffff);
fifo_ir = ((ach_i2c_data[3] << 16 | ach_i2c_data[4] << 8 | ach_i2c_data[5]) & 0x03ffff);
if(fifo_ir<=10000)//数据有效性检查
{
fifo_ir=0;
}
if(fifo_red<=10000)
{
fifo_red=0;
}
//UsartPrintf(USART_DEBUG,"%u,%u\n",fifo_red,fifo_ir);
}
心率检测/MAX30102/Hardware/MAX30102/max30102.c.orig 0 → 100644
View file @ 994e1da5
This diff is collapsed.
心率检测/MAX30102/Hardware/MAX30102/max30102.h 0 → 100644
View file @ 994e1da5
#ifndef _MAX30102_H
#define _MAX30102_H
#include "stm32f10x.h" // Device header
#include "xiic.h"
#include "stdbool.h"
#include "usart.h"
#define MAX30102_Device_address 0xAE
//register addresses
#define REG_INTR_STATUS_1 0x00
#define REG_INTR_STATUS_2 0x01
#define REG_INTR_ENABLE_1 0x02
#define REG_INTR_ENABLE_2 0x03
#define REG_FIFO_WR_PTR 0x04
#define REG_OVF_COUNTER 0x05
#define REG_FIFO_RD_PTR 0x06
#define REG_FIFO_DATA 0x07
#define REG_FIFO_CONFIG 0x08
#define REG_MODE_CONFIG 0x09
#define REG_SPO2_CONFIG 0x0A
#define REG_LED1_PA 0x0C
#define REG_LED2_PA 0x0D
#define REG_PILOT_PA 0x10
#define REG_MULTI_LED_CTRL1 0x11
#define REG_MULTI_LED_CTRL2 0x12
#define REG_TEMP_INTR 0x1F
#define REG_TEMP_FRAC 0x20
#define REG_TEMP_CONFIG 0x21
#define REG_PROX_INT_THRESH 0x30
#define REG_REV_ID 0xFE
#define REG_PART_ID 0xFF
#define MAX30102_INTPin_CLK RCC_APB2Periph_GPIOB
#define MAX30102_INTPin_PORT GPIOB
#define MAX30102_INTPin_Pin GPIO_Pin_9
#define MAX30102_INTPin_Read() GPIO_ReadInputDataBit(MAX30102_INTPin_PORT,MAX30102_INTPin_Pin)
#define Led_CLK RCC_APB2Periph_GPIOC
#define Led_PORT GPIOC
#define Led_Pin GPIO_Pin_13
#define SAMPLES_PER_SECOND 100 //Ƶ
extern uint16_t fifo_red;
extern uint16_t fifo_ir;
void MAX30102_GPIO(void);
uint8_t Max30102_reset(void);
void MAX30102_Config(void);
void max30102_read_fifo(void);
void max30102_read_fifo2(void);
#endif
心率检测/MAX30102/Hardware/OLED/OLED.c 0 → 100644
View file @ 994e1da5
/*
*作者：张沛田
*qq：2395357242
*微信：15239172110
*日期：2022.6.17
*/
#include "stm32f10x.h"
#include "OLED_Font.h"
#include "cstdlib"
/*引脚配置*/
#define OLED_W_SCL(x) GPIO_WriteBit(GPIOB, GPIO_Pin_10, (BitAction)(x))
#define OLED_W_SDA(x) GPIO_WriteBit(GPIOB, GPIO_Pin_11, (BitAction)(x))
//u8 OLED_GRAM[128][4];//半屏
/*引脚初始化*/
void OLED_I2C_Init(void)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_Init(GPIOB, &GPIO_InitStructure);
OLED_W_SCL(1);
OLED_W_SDA(1);
}
/**
* @brief I2C开始
* @param 无
* @retval 无
*/
void OLED_I2C_Start(void)
{
OLED_W_SDA(1);
OLED_W_SCL(1);
OLED_W_SDA(0);
OLED_W_SCL(0);
}
/**
* @brief I2C停止
* @param 无
* @retval 无
*/
void OLED_I2C_Stop(void)
{
OLED_W_SDA(0);
OLED_W_SCL(1);
OLED_W_SDA(1);
}
/**
* @brief I2C发送一个字节
* @param Byte 要发送的一个字节
* @retval 无
*/
void OLED_I2C_SendByte(uint8_t Byte)
{
uint8_t i;
for (i = 0; i < 8; i++)
{
OLED_W_SDA(Byte & (0x80 >> i));
OLED_W_SCL(1);
OLED_W_SCL(0);
}
OLED_W_SCL(1); //额外的一个时钟，不处理应答信号
OLED_W_SCL(0);
}
/**
* @brief OLED写命令
* @param Command 要写入的命令
* @retval 无
*/
void OLED_WriteCommand(uint8_t Command)
{
OLED_I2C_Start();
OLED_I2C_SendByte(0x78); //从机地址
OLED_I2C_SendByte(0x00); //写命令
OLED_I2C_SendByte(Command);
OLED_I2C_Stop();
}
/**
* @brief OLED写数据
* @param Data 要写入的数据
* @retval 无
*/
void OLED_WriteData(uint8_t Data)
{
OLED_I2C_Start();
OLED_I2C_SendByte(0x78); //从机地址
OLED_I2C_SendByte(0x40); //写数据
OLED_I2C_SendByte(Data);
OLED_I2C_Stop();
}
/**
* @brief OLED设置光标位置
* @param Y 以左上角为原点，向下方向的坐标，范围：0~7
* @param X 以左上角为原点，向右方向的坐标，范围：0~127
* @retval 无
*/
void OLED_SetCursor(uint8_t Y, uint8_t X)
{
OLED_WriteCommand(0xB0 | Y); //设置Y位置
OLED_WriteCommand(0x10 | ((X & 0xF0) >> 4)); //设置X位置高4位
OLED_WriteCommand(0x00 | (X & 0x0F)); //设置X位置低4位
}
/**
* @brief OLED清屏
* @param 无
* @retval 无
*/
void OLED_Clear(void)
{
uint8_t i, j;
for (j = 0; j < 8; j++)
{
OLED_SetCursor(j, 0);
for(i = 0; i < 128; i++)
{
OLED_WriteData(0x00);
}
}
}
/**
* @brief OLED显示一个字符
* @param Line 行位置，范围：1~4
* @param Column 列位置，范围：1~16
* @param Char 要显示的一个字符，范围：ASCII可见字符
* @retval 无
*/
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char)
{
uint8_t i;
OLED_SetCursor((Line - 1) * 2, (Column - 1) * 8); //设置光标位置在上半部分
for (i = 0; i < 8; i++)
{
OLED_WriteData(OLED_F8x16[Char - ' '][i]); //显示上半部分内容
}
OLED_SetCursor((Line - 1) * 2 + 1, (Column - 1) * 8); //设置光标位置在下半部分
for (i = 0; i < 8; i++)
{
OLED_WriteData(OLED_F8x16[Char - ' '][i + 8]); //显示下半部分内容
}
}
/**
* @brief OLED显示字符串
* @param Line 起始行位置，范围：1~4
* @param Column 起始列位置，范围：1~16
* @param String 要显示的字符串，范围：ASCII可见字符
* @retval 无
*/
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String)
{
uint8_t i;
for (i = 0; String[i] != '\0'; i++)
{
OLED_ShowChar(Line, Column + i, String[i]);
}
}
/**
* @brief OLED次方函数
* @retval 返回值等于X的Y次方
*/
uint32_t OLED_Pow(uint32_t X, uint32_t Y)
{
uint32_t Result = 1;
while (Y--)
{
Result *= X;
}
return Result;
}
/**
* @brief OLED显示数字（十进制，正数）
* @param Line 起始行位置，范围：1~4
* @param Column 起始列位置，范围：1~16
* @param Number 要显示的数字，范围：0~4294967295
* @param Length 要显示数字的长度，范围：1~10
* @retval 无
*/
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
uint8_t i;
for (i = 0; i < Length; i++)
{
OLED_ShowChar(Line, Column + i, Number / OLED_Pow(10, Length - i - 1) % 10 + '0');
}
}
/**
* @brief OLED显示数字（十进制，带符号数）
* @param Line 起始行位置，范围：1~4
* @param Column 起始列位置，范围：1~16
* @param Number 要显示的数字，范围：-2147483648~2147483647
* @param Length 要显示数字的长度，范围：1~10
* @retval 无
*/
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length)
{
uint8_t i;
uint32_t Number1;
if (Number >= 0)
{
OLED_ShowChar(Line, Column, '+');
Number1 = Number;
}
else
{
OLED_ShowChar(Line, Column, '-');
Number1 = -Number;
}
for (i = 0; i < Length; i++)
{
OLED_ShowChar(Line, Column + i + 1, Number1 / OLED_Pow(10, Length - i - 1) % 10 + '0');
}
}
/**
* @brief OLED显示数字（十六进制，正数）
* @param Line 起始行位置，范围：1~4
* @param Column 起始列位置，范围：1~16
* @param Number 要显示的数字，范围：0~0xFFFFFFFF
* @param Length 要显示数字的长度，范围：1~8
* @retval 无
*/
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
uint8_t i, SingleNumber;
for (i = 0; i < Length; i++)
{
SingleNumber = Number / OLED_Pow(16, Length - i - 1) % 16;
if (SingleNumber < 10)
{
OLED_ShowChar(Line, Column + i, SingleNumber + '0');
}
else
{
OLED_ShowChar(Line, Column + i, SingleNumber - 10 + 'A');
}
}
}
/**
* @brief OLED显示数字（二进制，正数）
* @param Line 起始行位置，范围：1~4
* @param Column 起始列位置，范围：1~16
* @param Number 要显示的数字，范围：0~1111 1111 1111 1111
* @param Length 要显示数字的长度，范围：1~16
* @retval 无
*/
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length)
{
uint8_t i;
for (i = 0; i < Length; i++)
{
OLED_ShowChar(Line, Column + i, Number / OLED_Pow(2, Length - i - 1) % 2 + '0');
}
}
/**
* @brief OLED初始化
* @param 无
* @retval 无
*/
void OLED_Init(void)
{
uint32_t i, j;
for (i = 0; i < 1000; i++) //上电延时
{
for (j = 0; j < 1000; j++);
}
OLED_I2C_Init(); //端口初始化
OLED_WriteCommand(0xAE); //关闭显示
OLED_WriteCommand(0xD5); //设置显示时钟分频比/振荡器频率
OLED_WriteCommand(0x80);
OLED_WriteCommand(0xA8); //设置多路复用率
OLED_WriteCommand(0x3F);
OLED_WriteCommand(0xD3); //设置显示偏移
OLED_WriteCommand(0x00);
OLED_WriteCommand(0x40); //设置显示开始行
OLED_WriteCommand(0xA1); //设置左右方向，0xA1正常 0xA0左右反置
OLED_WriteCommand(0xC8); //设置上下方向，0xC8正常 0xC0上下反置
OLED_WriteCommand(0xDA); //设置COM引脚硬件配置
OLED_WriteCommand(0x12);
OLED_WriteCommand(0x81); //设置对比度控制
OLED_WriteCommand(0xCF);
OLED_WriteCommand(0xD9); //设置预充电周期
OLED_WriteCommand(0xF1);
OLED_WriteCommand(0xDB); //设置VCOMH取消选择级别
OLED_WriteCommand(0x30);
OLED_WriteCommand(0xA4); //设置整个显示打开/关闭
OLED_WriteCommand(0xA6); //设置正常/倒转显示
OLED_WriteCommand(0x8D); //设置充电泵
OLED_WriteCommand(0x14);
OLED_WriteCommand(0xAF); //开启显示
OLED_Clear(); //OLED清屏
}
//**************************************************************
////更新显存到LCD
//void OLED_Refresh_Gram(void)
//{
// uint8_t i,n;
// for(i=4;i<8;i++)
// {
// OLED_WriteCommand (0xb0+i); //设置页地址（0~7）
// OLED_WriteCommand (0x00); //设置显示位置—列低地址
// OLED_WriteCommand (0x10); //设置显示位置—列高地址
// for(n=0;n<128;n++)OLED_WriteData(OLED_GRAM[n][i]);
// }
//}
////画点
////x:0~127
////y:0~63
////t:1 填充 0,清空
//void OLED_DrawPoint(uint8_t x,uint8_t y,uint8_t t)
//{
// uint8_t pos,bx,temp=0;
// if(x>127||y>63)return;//超出范围了.
// pos=y/8;
// bx=y%8;
// temp=1<<bx;
// if(t)OLED_GRAM[x][pos]|=temp;
// else OLED_GRAM[x][pos]&=~temp;
//}
//void OLED_DrawLine(u8 x1,u8 y1,u8 x2,u8 y2,u8 t)
//{
// u8 len_x = abs(x2-x1);
// u8 len_y = abs(y2-y1);
// u8 dm,i;//dm为分割基准
// float dx,dy,x,y;
// if(len_x >= len_y) dm = len_x;
// else dm = len_y;
// dx = (float)(x2-x1)/dm;
// dy = (float)(y2-y1)/dm;
// x = (float)x1+0.5;
// y = (float)y1+0.5;
// for(i=0;i<dm;i++)
// {
// OLED_DrawPoint(x,y,t);
// x += dx;
// y += dy;
// }
//}
//void OLED_Clear2(void)
//{
// u8 i,n;
// for(i=4;i<8;i++)for(n=0;n<128;n++)OLED_GRAM[n][i]=0X00;
// //OLED_Refresh_Gram();//更新显示
//}
心率检测/MAX30102/Hardware/OLED/OLED.h 0 → 100644
View file @ 994e1da5
#ifndef __OLED_H
#define __OLED_H
void OLED_Init(void);
void OLED_Clear(void);
void OLED_ShowChar(uint8_t Line, uint8_t Column, char Char);
void OLED_ShowString(uint8_t Line, uint8_t Column, char *String);
void OLED_ShowNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowSignedNum(uint8_t Line, uint8_t Column, int32_t Number, uint8_t Length);
void OLED_ShowHexNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_ShowBinNum(uint8_t Line, uint8_t Column, uint32_t Number, uint8_t Length);
void OLED_Refresh_Gram(void);
void OLED_DrawPoint(uint8_t x,uint8_t y,uint8_t t);
void OLED_DrawLine(u8 x1,u8 y1,u8 x2,u8 y2,u8 t);
void OLED_Clear2(void);
#endif
心率检测/MAX30102/Hardware/OLED/OLED_Font.h 0 → 100644
View file @ 994e1da5
#ifndef __OLED_FONT_H
#define __OLED_FONT_H
/*OLED字模库，宽8像素，高16像素*/
const uint8_t OLED_F8x16[][16]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,
0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,
0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,
0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,
0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,
0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,
0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,
0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,
0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,
0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,
0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,
0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,
0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,
0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,
0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,
0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,
0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,
0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,
0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,
0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,
0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,
0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,
0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,
0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,
0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,
0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,
0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,
0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,
0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,
0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,
0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,
0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,
0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,
0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,
0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,
0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,
0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,
0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,
0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,
0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,
0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,
0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,
0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,
0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,
0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,
0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,
0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,
0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,
0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,
0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,
0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,
0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,
0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,
0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,
0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,
0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,
0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,
0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,
0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,
0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,
0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,
0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,
0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,
0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,
0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,
0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,
0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,
0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,
0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,
0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};
#endif
心率检测/MAX30102/Hardware/XIIC/blood.c 0 → 100644
View file @ 994e1da5
#include "blood.h"
#include "usart.h"
float cache_red[CACHE_NUMS] ;
float cache_ir[CACHE_NUMS] ; // 缓存区
//float final_red[CACHE_NUMS] ;
//float final_ir[CACHE_NUMS] ; // 缓存区
//float heart_max=0,heart_min=100000;
//float heart_rage=0;
BloodData g_blooddata = {0}; //血液数据存储
//一阶低通滤波器，效果几乎没有
//#define SAMPLE_RATE 1000.0 // 采样率，单位为Hz
//#define CUTOFF_FREQ 5.0 // 截止频率，单位为Hz
//
//float alpha = SAMPLE_RATE / (SAMPLE_RATE + 2.0 * 3.1415926 * CUTOFF_FREQ);
//float previous_output = 0.0;
//
//void update_filter(float new_input, float *output)
//{
// *output = alpha * new_input + (1.0 - alpha) * previous_output;
// previous_output = *output;
//}
void blood_data_update(void)
{
int i = 0;
while(i<CACHE_NUMS)
{
while(MAX30102_INTPin_Read()==0)//标志位被使能时 读取FIFO
{
max30102_read_fifo(); //read from MAX30102 FIFO2
if(i<CACHE_NUMS)
{
cache_red[i] = fifo_red;
cache_ir[i] = fifo_ir;
//UsartPrintf(USART_DEBUG,"%u,%u,%f,%f\n",fifo_red,fifo_ir,cache_red[i],cache_ir[i]);
i++;
}
}
}
}
//滤波后波形变好，但是计算结果意外变差
//换用低通滤波器应该可行
void blood_data_filter(float *input_data,float *ouput_data)
{
float n_denom;
uint16_t i;
//
// //直流滤波
// float dc =0;
//
// for (i=0 ; i<CACHE_NUMS ; i++ )
// {
// dc += input_data[i] ;
// }
// dc = dc/CACHE_NUMS ;
// for (i=0 ; i<CACHE_NUMS ; i++ )
// {
// ouput_data[i] = input_data[i] - dc ; //减去直流分量
// }
//移动平均滤波
for(i = 1;i < CACHE_NUMS-1;i++)
{
n_denom= ( input_data[i-1] + 2*input_data[i] + input_data[i+1]);
ouput_data[i]= n_denom/4.00;
}
//八点平均滤波
for(i = 0;i < CACHE_NUMS-8;i++)
{
n_denom= ( ouput_data[i]+ouput_data[i+1]+ ouput_data[i+2]+ ouput_data[i+3]+ ouput_data[i+4]+ ouput_data[i+5]+ ouput_data[i+6]+ ouput_data[i+7]);
ouput_data[i] = n_denom/8.00;
// if(heart_max<ouput_data[i]) heart_max = ouput_data[i];
// if(heart_min>ouput_data[i]) heart_min = ouput_data[i];
// UsartPrintf(USART_DEBUG,"%f,%f\n",input_data[i],ouput_data[i]);
}
// heart_rage = heart_max - heart_min;
}
/**
* @brief 获取心率
* @param input_data cache_nums(缓存区的最大数字)
* @retval (uint16_t)心率
*/
//波峰间距离取平均，计算心率，结果不准
uint16_t max30102_getHeartRate(float *input_data, uint16_t cache_nums)
{
float input_data_sum_aver = 0;
float distance = 0;
uint16_t i,temp=0;
u8 number = 0;
for (i = 0; i < cache_nums; i++)
{
input_data_sum_aver += input_data[i];
}
input_data_sum_aver = input_data_sum_aver / cache_nums;
if(input_data_sum_aver < 1000) return 0;
//UsartPrintf(USART_DEBUG,"%f\n",input_data_sum_aver);
for (i = 0; i < cache_nums; i++)
{
if (input_data[i] > input_data[i-1] && input_data[i] > input_data[i+1] && input_data[i] > input_data_sum_aver)
{
temp = i;
break;
}
}
i++;
for (; i < cache_nums; i++)
{
if (input_data[i] > input_data[i-1] && input_data[i] > input_data[i+1] && input_data[i] > input_data_sum_aver)
{
if(i-temp > 5 && i-temp < 15)
{
distance += (i - temp);
number++;
temp = i;
}
else if(i-temp > 30) temp = i;
}
}
//UsartPrintf(USART_DEBUG,"%d\n",number);
if(number!=0)
{
distance /= number;
return 600 / distance;
}
//UsartPrintf(USART_DEBUG,"%d\n",temp);
return 0;
}
//统计波峰个数，计算心率结果精度太低，心率间隔为60 / (0.01 * cache_nums)
//uint16_t max30102_getHeartRate(float *input_data, uint16_t cache_nums)
//{
// float input_data_sum_aver = 0;
// uint16_t i, temp=0;
//
// for (i = 0; i < cache_nums; i++)
// {
// input_data_sum_aver += *(input_data + i);
// }
// input_data_sum_aver = input_data_sum_aver / cache_nums;
// for (i = 1; i < cache_nums-1; i++)
// {
// if ((*(input_data + i) > input_data_sum_aver) && *(input_data + i) > *(input_data + i-1) && *(input_data + i) > *(input_data + i+1))
// {
// temp ++;
// }
// }
// if(temp != 0) return temp * 60 / (0.01 * cache_nums);//10ms*cache_nums=1.5
// else return 0;
//}
/**
* @brief 获取血氧
* @param input_data red_input_data cache_nums(缓存区的最大数字)
* @retval (float)血氧
*/
float max30102_getSpO2(float *ir_input_data, float *red_input_data, uint16_t cache_nums)
{
float ir_max = *ir_input_data, ir_min = *ir_input_data;
float red_max = *red_input_data, red_min = *red_input_data;
float R;
uint16_t i;
for (i = 1; i < cache_nums; i++)
{
if (ir_max < *(ir_input_data + i))
{
ir_max = *(ir_input_data + i);
}
if (ir_min > *(ir_input_data + i))
{
ir_min = *(ir_input_data + i);
}
if (red_max < *(red_input_data + i))
{
red_max = *(red_input_data + i);
}
if (red_min > *(red_input_data + i))
{
red_min = *(red_input_data + i);
}
}
R = ((ir_max + ir_min) * (red_max - red_min)) / ((red_max + red_min) * (ir_max - ir_min));
if(R > 0.9) return 0;
else return ((-45.060) * R * R + 30.354 * R + 94.845);
}
//心率波形函数，失败，疑似fifo_red波动过大,导致heart_rage过大，cache_red[i]/heart_rage近似于0
//void Heart_rate_curve(void)
//{
// int i;
// OLED_Clear2();
// for(i=1;i<128;i++)
// {
// OLED_DrawLine(i-1,(int)(cache_red[i-1]/heart_rage*32)+32,i,(int)(cache_red[i]/heart_rage*32)+32,1);
// OLED_Refresh_Gram();
// }
//}
void blood_Loop(void)
{
uint16_t temp=0;
blood_data_update();
// for(int i=0;i<CACHE_NUMS;i++)
// {
// UsartPrintf(USART_DEBUG,"%f,%f,%f,%f\n",cache_red[i],cache_ir[i],final_red[i],final_ir[i]);
// }
temp = max30102_getSpO2(cache_ir,cache_red,CACHE_NUMS);
if(temp != 0 && g_blooddata.SpO2 != 0) g_blooddata.SpO2 = (g_blooddata.SpO2 + temp) /2 ;
else g_blooddata.SpO2 = temp;
blood_data_filter(cache_red,cache_red);
temp = max30102_getHeartRate(cache_red,CACHE_NUMS);
if(temp != 0 && g_blooddata.heart != 0) g_blooddata.heart = (g_blooddata.heart + temp) /2;
else g_blooddata.heart = temp;
OLED_ShowNum(1,10,g_blooddata.heart,3);
OLED_ShowNum(2,10,g_blooddata.SpO2,3);
// Heart_rate_curve();
}
心率检测/MAX30102/Hardware/XIIC/blood.h 0 → 100644
View file @ 994e1da5
#ifndef _BLOOD_H
#define _BLOOD_H
#include "stm32f10x.h" // Device header
#include "MAX30102.h"
#include "algorithm.h"
#include "math.h"
#include "OLED.h"
typedef struct
{
int heart; //
float SpO2; //Ѫ
}BloodData;
#define CACHE_NUMS 300
void blood_data_update(void);
void blood_Loop(void);
#endif
心率检测/MAX30102/Hardware/XIIC/xiic.c 0 → 100644
View file @ 994e1da5
#include "xiic.h"
#include "usart.h"
uint8_t ack;
void IIC_GPIO_INIT(void)
{
#if hardware
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB,&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOB,&GPIO_InitStruct);
RCC_APB1PeriphClockCmd(IIC_CLK, ENABLE);
I2C_InitTypeDef I2C_InitStructure;
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2; /* 高电平数据稳定，低电平数据变化 SCL 时钟线的占空比 */
I2C_InitStructure.I2C_OwnAddress1 = 0X0a;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable ;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit; /* I2C的寻址模式 */
I2C_InitStructure.I2C_ClockSpeed = IIC_CLK_Hz; /* 通信速率 */
I2C_Init(IIC_PORT, &I2C_InitStructure); /* IIC_PORT 初始化 */
I2C_Cmd(IIC_PORT, ENABLE); /* 使能 IIC_PORT */
#else
RCC_APB2PeriphClockCmd(IIC_SCL_CLK | IIC_SDA_CLK,ENABLE);
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_OD ;
GPIO_InitStruct.GPIO_Pin = IIC_SCL_GPIO_Pin;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(IIC_SCL_PORT,&GPIO_InitStruct);
GPIO_InitStruct.GPIO_Pin = IIC_SDA_GPIO_Pin;
GPIO_Init(IIC_SDA_PORT,&GPIO_InitStruct);
#endif
}
#if hardware
void IIC_Write_Byte(uint8_t device_addr,uint8_t register_addr,uint8_t data)
{
I2C_GenerateSTART(IIC_PORT, ENABLE);
while(!I2C_CheckEvent(IIC_PORT, I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(IIC_PORT, device_addr, I2C_Direction_Transmitter);
while(!I2C_CheckEvent(IIC_PORT, I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
I2C_SendData(IIC_PORT, register_addr);
while(!I2C_CheckEvent(IIC_PORT, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_SendData(IIC_PORT, data);
while(!I2C_CheckEvent(IIC_PORT, I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_GenerateSTOP(IIC_PORT, ENABLE);
}
uint8_t IIC_Read_Byte(uint8_t device_addr,uint8_t register_addr)
{
uint8_t data;
I2C_GenerateSTART(IIC_PORT,ENABLE);
while(!I2C_CheckEvent(IIC_PORT,I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(IIC_PORT,device_addr,I2C_Direction_Transmitter);
while(!I2C_CheckEvent(IIC_PORT,I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
I2C_SendData(IIC_PORT,register_addr);
while(!I2C_CheckEvent(IIC_PORT,I2C_EVENT_MASTER_BYTE_TRANSMITTED));
I2C_GenerateSTART(IIC_PORT,ENABLE);
while(!I2C_CheckEvent(IIC_PORT,I2C_EVENT_MASTER_MODE_SELECT));
I2C_Send7bitAddress(IIC_PORT,device_addr,I2C_Direction_Receiver);
while(!I2C_CheckEvent(IIC_PORT,I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED));
I2C_AcknowledgeConfig(IIC_PORT,DISABLE);
while(I2C_GetFlagStatus(IIC_PORT,I2C_FLAG_RXNE) == RESET);
data=I2C_ReceiveData(IIC_PORT);
I2C_GenerateSTOP(IIC_PORT ,ENABLE);
return data;
}
#else
void IIC_Delay(void)
{
uint8_t i=6; //i=10延时1.5us//这里可以优化速度 ，经测试最低到5还能写入
while(i--);
}
void IIC_Start(void)
{
IIC_SCL_1;
IIC_SDA_1;//启始信号建立时间 0.6us 400KHz
IIC_Delay();
IIC_SDA_0;
IIC_Delay();//启始信号保持时间0.6us
IIC_SCL_0;
IIC_Delay();//时钟低电平时间1.3us
}
void IIC_Stop(void)
{
IIC_SDA_0;
IIC_SCL_1;
IIC_Delay();//结束信号建立时间0.6us
IIC_SDA_1;
IIC_Delay();//总线空闲时间时间1.3us
}
void IIC_Send_Byte(uint8_t byte)
{
uint8_t i;//先发送高位
for(i=0;i<8;i++)
{
if(byte & 0x80)
{
IIC_SDA_1;
}
else
{
IIC_SDA_0;
}
IIC_Delay();
IIC_SCL_1;
IIC_Delay();
IIC_SCL_0;
IIC_Delay();
byte<<=1;
}
IIC_SDA_1;
IIC_Delay();
IIC_SCL_1;
IIC_Delay();
if(IIC_SDA_READ)
{
ack=1;
}
else
{
ack=0;
}
IIC_SCL_0;
IIC_Delay();
}
uint8_t IIC_Receive_Byte(void)
{
uint8_t receive=0;
uint8_t i;//置数据线为输入方式
for(i=0;i<8;i++)
{
receive<<=1;
IIC_SCL_1;//置时钟线为高使数据线上数据有效
IIC_Delay();
if(IIC_SDA_READ)
{
receive++;//读数据位,接收的数据位放入retc中
}
IIC_SCL_0;
IIC_Delay();
}
return receive;
}
uint8_t IIC_Write_Byte(uint8_t device_addr,uint8_t register_addr,uint8_t data)
{
IIC_Start();
IIC_Send_Byte(device_addr+0);
if (ack == 1)return 0;
IIC_Send_Byte(register_addr);
if (ack == 1)return 0;
IIC_Send_Byte(data);
if (ack == 1)return 0;
IIC_Stop();
return 1;
}
void I2C_Ack(uint8_t a)
{
if(a)
{
IIC_SDA_1; //非应答
IIC_Delay();
IIC_SCL_1;
IIC_Delay();
IIC_SCL_0;
IIC_Delay();
}
else
{
IIC_SDA_0; //应答
IIC_Delay();
IIC_SCL_1;
IIC_Delay();
IIC_SCL_0;
IIC_Delay();
IIC_SDA_1;
}
}
uint8_t IIC_Read_Byte(uint8_t device_addr,uint8_t register_addr)
{
uint8_t read_data;
IIC_Start();
IIC_Send_Byte(device_addr+0);
if (ack == 1)return 0;
IIC_Send_Byte(register_addr);
if (ack == 1)return 0;
IIC_Start();
IIC_Send_Byte(device_addr+1);
if (ack == 1)return 0;
read_data = IIC_Receive_Byte();
I2C_Ack(1);
IIC_Stop();
return read_data;
}
uint8_t IIC_Write_Array(uint8_t device_addr,uint16_t register_addr,u8 *Data,uint16_t Num)
{
uint16_t i;
IIC_Start();
IIC_Send_Byte(device_addr+0);
if (ack == 1)return 0;
IIC_Send_Byte(register_addr);
if (ack == 1)return 0;
IIC_Start();
IIC_Send_Byte(device_addr+1);
if (ack == 1)return 0;
for(i=0;i<Num;i++)
{
IIC_Send_Byte(*Data++);
if (ack == 1)return 0;
}
IIC_Stop();
return 1;
}
uint8_t IIC_Read_Array(uint8_t device_addr,uint16_t register_addr,uint8_t *Data,uint16_t Num)
{
uint16_t i;
IIC_Start();
IIC_Send_Byte(device_addr+0);
if (ack == 1)return 0;
IIC_Send_Byte(register_addr);
if (ack == 1)return 0;
IIC_Start();
IIC_Send_Byte(device_addr+1);
if (ack == 1)return 0;
for(i=0;i<Num;i++)
{
*Data++ = IIC_Receive_Byte();
if(i==Num-1)
I2C_Ack(1);
else
I2C_Ack(0);
}
IIC_Stop();
return 1;
}
#endif
心率检测/MAX30102/Hardware/XIIC/xiic.h 0 → 100644
View file @ 994e1da5
#ifndef __XIIC_H
#define __XIIC_H
#include "stm32f10x.h" // Device header
#include "delay.h"
#define hardware 0
#if hardware
#define IIC_SCL_CLK RCC_APB2Periph_GPIOB
#define IIC_SCL_PORT GPIOB
#define IIC_SCL_GPIO_Pin GPIO_Pin_6
#define IIC_SDA_CLK RCC_APB2Periph_GPIOB
#define IIC_SDA_PORT GPIOB
#define IIC_SDA_GPIO_Pin GPIO_Pin_7
#define IIC_CLK_Hz 200000
#define IIC_CLK RCC_APB1Periph_I2C1
#define IIC_PORT I2C1
void IIC_GPIO_INIT(void);
uint8_t IIC_Read_Byte(uint8_t device_addr,uint8_t register_addr);
void IIC_Write_Byte(uint8_t device_addr,uint8_t register_addr,uint8_t data);
#else
#define IIC_SCL_CLK RCC_APB2Periph_GPIOB
#define IIC_SCL_PORT GPIOB
#define IIC_SCL_GPIO_Pin GPIO_Pin_6
#define IIC_SDA_CLK RCC_APB2Periph_GPIOB
#define IIC_SDA_PORT GPIOB
#define IIC_SDA_GPIO_Pin GPIO_Pin_7
#define IIC_SCL_1 GPIO_SetBits(IIC_SCL_PORT,IIC_SCL_GPIO_Pin)
#define IIC_SCL_0 GPIO_ResetBits(IIC_SCL_PORT,IIC_SCL_GPIO_Pin)
#define IIC_SDA_1 GPIO_SetBits(IIC_SDA_PORT,IIC_SDA_GPIO_Pin)
#define IIC_SDA_0 GPIO_ResetBits(IIC_SDA_PORT,IIC_SDA_GPIO_Pin)
#define IIC_SDA_READ GPIO_ReadInputDataBit(IIC_SDA_PORT,IIC_SDA_GPIO_Pin)
void IIC_GPIO_INIT(void);
void IIC_Start(void);
void IIC_Stop(void);
void IIC_Send_Byte(uint8_t byte);
void I2C_Ack(uint8_t a);
uint8_t IIC_Receive_Byte(void);
uint8_t IIC_Read_Byte(uint8_t device_addr,uint8_t register_addr);
uint8_t IIC_Write_Byte(uint8_t device_addr,uint8_t register_addr,uint8_t data);
uint8_t IIC_Read_Array(uint8_t device_addr,u16 register_addr,uint8_t *Data,u16 Num);
uint8_t IIC_Write_Array(uint8_t device_addr,u16 register_addr,u8 *Data,u16 Num);
extern uint8_t ack;
#endif
#endif
心率检测/MAX30102/Library/misc.c 0 → 100644
View file @ 994e1da5
/**
******************************************************************************
* @file misc.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the miscellaneous firmware functions (add-on
* to CMSIS functions).
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "misc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup MISC
* @brief MISC driver modules
* @{
*/
/** @defgroup MISC_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Private_Defines
* @{
*/
#define AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000)
/**
* @}
*/
/** @defgroup MISC_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Private_Functions
* @{
*/
/**
* @brief Configures the priority grouping: pre-emption priority and subpriority.
* @param NVIC_PriorityGroup: specifies the priority grouping bits length.
* This parameter can be one of the following values:
* @arg NVIC_PriorityGroup_0: 0 bits for pre-emption priority
* 4 bits for subpriority
* @arg NVIC_PriorityGroup_1: 1 bits for pre-emption priority
* 3 bits for subpriority
* @arg NVIC_PriorityGroup_2: 2 bits for pre-emption priority
* 2 bits for subpriority
* @arg NVIC_PriorityGroup_3: 3 bits for pre-emption priority
* 1 bits for subpriority
* @arg NVIC_PriorityGroup_4: 4 bits for pre-emption priority
* 0 bits for subpriority
* @retval None
*/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
{
/* Check the parameters */
assert_param(IS_NVIC_PRIORITY_GROUP(NVIC_PriorityGroup));
/* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */
SCB->AIRCR = AIRCR_VECTKEY_MASK | NVIC_PriorityGroup;
}
/**
* @brief Initializes the NVIC peripheral according to the specified
* parameters in the NVIC_InitStruct.
* @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains
* the configuration information for the specified NVIC peripheral.
* @retval None
*/
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
{
uint32_t tmppriority = 0x00, tmppre = 0x00, tmpsub = 0x0F;
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
assert_param(IS_NVIC_PREEMPTION_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority));
assert_param(IS_NVIC_SUB_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelSubPriority));
if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
/* Compute the Corresponding IRQ Priority --------------------------------*/
tmppriority = (0x700 - ((SCB->AIRCR) & (uint32_t)0x700))>> 0x08;
tmppre = (0x4 - tmppriority);
tmpsub = tmpsub >> tmppriority;
tmppriority = (uint32_t)NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << tmppre;
tmppriority |= NVIC_InitStruct->NVIC_IRQChannelSubPriority & tmpsub;
tmppriority = tmppriority << 0x04;
NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel] = tmppriority;
/* Enable the Selected IRQ Channels --------------------------------------*/
NVIC->ISER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
(uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
}
else
{
/* Disable the Selected IRQ Channels -------------------------------------*/
NVIC->ICER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
(uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
}
}
/**
* @brief Sets the vector table location and Offset.
* @param NVIC_VectTab: specifies if the vector table is in RAM or FLASH memory.
* This parameter can be one of the following values:
* @arg NVIC_VectTab_RAM
* @arg NVIC_VectTab_FLASH
* @param Offset: Vector Table base offset field. This value must be a multiple
* of 0x200.
* @retval None
*/
void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset)
{
/* Check the parameters */
assert_param(IS_NVIC_VECTTAB(NVIC_VectTab));
assert_param(IS_NVIC_OFFSET(Offset));
SCB->VTOR = NVIC_VectTab | (Offset & (uint32_t)0x1FFFFF80);
}
/**
* @brief Selects the condition for the system to enter low power mode.
* @param LowPowerMode: Specifies the new mode for the system to enter low power mode.
* This parameter can be one of the following values:
* @arg NVIC_LP_SEVONPEND
* @arg NVIC_LP_SLEEPDEEP
* @arg NVIC_LP_SLEEPONEXIT
* @param NewState: new state of LP condition. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_NVIC_LP(LowPowerMode));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
SCB->SCR |= LowPowerMode;
}
else
{
SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
}
}
/**
* @brief Configures the SysTick clock source.
* @param SysTick_CLKSource: specifies the SysTick clock source.
* This parameter can be one of the following values:
* @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source.
* @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source.
* @retval None
*/
void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
{
/* Check the parameters */
assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
{
SysTick->CTRL |= SysTick_CLKSource_HCLK;
}
else
{
SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
}
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
心率检测/MAX30102/Library/misc.h 0 → 100644
View file @ 994e1da5
/**
******************************************************************************
* @file misc.h
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file contains all the functions prototypes for the miscellaneous
* firmware library functions (add-on to CMSIS functions).
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __MISC_H
#define __MISC_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @addtogroup MISC
* @{
*/
/** @defgroup MISC_Exported_Types
* @{
*/
/**
* @brief NVIC Init Structure definition
*/
typedef struct
{
uint8_t NVIC_IRQChannel; /*!< Specifies the IRQ channel to be enabled or disabled.
This parameter can be a value of @ref IRQn_Type
(For the complete STM32 Devices IRQ Channels list, please
refer to stm32f10x.h file) */
uint8_t NVIC_IRQChannelPreemptionPriority; /*!< Specifies the pre-emption priority for the IRQ channel
specified in NVIC_IRQChannel. This parameter can be a value
between 0 and 15 as described in the table @ref NVIC_Priority_Table */
uint8_t NVIC_IRQChannelSubPriority; /*!< Specifies the subpriority level for the IRQ channel specified
in NVIC_IRQChannel. This parameter can be a value
between 0 and 15 as described in the table @ref NVIC_Priority_Table */
FunctionalState NVIC_IRQChannelCmd; /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel
will be enabled or disabled.
This parameter can be set either to ENABLE or DISABLE */
} NVIC_InitTypeDef;
/**
* @}
*/
/** @defgroup NVIC_Priority_Table
* @{
*/
/**
@code
The table below gives the allowed values of the pre-emption priority and subpriority according
to the Priority Grouping configuration performed by NVIC_PriorityGroupConfig function
============================================================================================================================
NVIC_PriorityGroup | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority | Description
============================================================================================================================
NVIC_PriorityGroup_0 | 0 | 0-15 | 0 bits for pre-emption priority
| | | 4 bits for subpriority
----------------------------------------------------------------------------------------------------------------------------
NVIC_PriorityGroup_1 | 0-1 | 0-7 | 1 bits for pre-emption priority
| | | 3 bits for subpriority
----------------------------------------------------------------------------------------------------------------------------
NVIC_PriorityGroup_2 | 0-3 | 0-3 | 2 bits for pre-emption priority
| | | 2 bits for subpriority
----------------------------------------------------------------------------------------------------------------------------
NVIC_PriorityGroup_3 | 0-7 | 0-1 | 3 bits for pre-emption priority
| | | 1 bits for subpriority
----------------------------------------------------------------------------------------------------------------------------
NVIC_PriorityGroup_4 | 0-15 | 0 | 4 bits for pre-emption priority
| | | 0 bits for subpriority
============================================================================================================================
@endcode
*/
/**
* @}
*/
/** @defgroup MISC_Exported_Constants
* @{
*/
/** @defgroup Vector_Table_Base
* @{
*/
#define NVIC_VectTab_RAM ((uint32_t)0x20000000)
#define NVIC_VectTab_FLASH ((uint32_t)0x08000000)
#define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \
((VECTTAB) == NVIC_VectTab_FLASH))
/**
* @}
*/
/** @defgroup System_Low_Power
* @{
*/
#define NVIC_LP_SEVONPEND ((uint8_t)0x10)
#define NVIC_LP_SLEEPDEEP ((uint8_t)0x04)
#define NVIC_LP_SLEEPONEXIT ((uint8_t)0x02)
#define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \
((LP) == NVIC_LP_SLEEPDEEP) || \
((LP) == NVIC_LP_SLEEPONEXIT))
/**
* @}
*/
/** @defgroup Preemption_Priority_Group
* @{
*/
#define NVIC_PriorityGroup_0 ((uint32_t)0x700) /*!< 0 bits for pre-emption priority
4 bits for subpriority */
#define NVIC_PriorityGroup_1 ((uint32_t)0x600) /*!< 1 bits for pre-emption priority
3 bits for subpriority */
#define NVIC_PriorityGroup_2 ((uint32_t)0x500) /*!< 2 bits for pre-emption priority
2 bits for subpriority */
#define NVIC_PriorityGroup_3 ((uint32_t)0x400) /*!< 3 bits for pre-emption priority
1 bits for subpriority */
#define NVIC_PriorityGroup_4 ((uint32_t)0x300) /*!< 4 bits for pre-emption priority
0 bits for subpriority */
#define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \
((GROUP) == NVIC_PriorityGroup_1) || \
((GROUP) == NVIC_PriorityGroup_2) || \
((GROUP) == NVIC_PriorityGroup_3) || \
((GROUP) == NVIC_PriorityGroup_4))
#define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
#define IS_NVIC_SUB_PRIORITY(PRIORITY) ((PRIORITY) < 0x10)
#define IS_NVIC_OFFSET(OFFSET) ((OFFSET) < 0x000FFFFF)
/**
* @}
*/
/** @defgroup SysTick_clock_source
* @{
*/
#define SysTick_CLKSource_HCLK_Div8 ((uint32_t)0xFFFFFFFB)
#define SysTick_CLKSource_HCLK ((uint32_t)0x00000004)
#define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \
((SOURCE) == SysTick_CLKSource_HCLK_Div8))
/**
* @}
*/
/**
* @}
*/
/** @defgroup MISC_Exported_Macros
* @{
*/
/**
* @}
*/
/** @defgroup MISC_Exported_Functions
* @{
*/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);
void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);
void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);
void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);
#ifdef __cplusplus
}
#endif
#endif /* __MISC_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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/**
******************************************************************************
* @file stm32f10x_bkp.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the BKP firmware functions.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_bkp.h"
#include "stm32f10x_rcc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup BKP
* @brief BKP driver modules
* @{
*/
/** @defgroup BKP_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Private_Defines
* @{
*/
/* ------------ BKP registers bit address in the alias region --------------- */
#define BKP_OFFSET (BKP_BASE - PERIPH_BASE)
/* --- CR Register ----*/
/* Alias word address of TPAL bit */
#define CR_OFFSET (BKP_OFFSET + 0x30)
#define TPAL_BitNumber 0x01
#define CR_TPAL_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPAL_BitNumber * 4))
/* Alias word address of TPE bit */
#define TPE_BitNumber 0x00
#define CR_TPE_BB (PERIPH_BB_BASE + (CR_OFFSET * 32) + (TPE_BitNumber * 4))
/* --- CSR Register ---*/
/* Alias word address of TPIE bit */
#define CSR_OFFSET (BKP_OFFSET + 0x34)
#define TPIE_BitNumber 0x02
#define CSR_TPIE_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TPIE_BitNumber * 4))
/* Alias word address of TIF bit */
#define TIF_BitNumber 0x09
#define CSR_TIF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TIF_BitNumber * 4))
/* Alias word address of TEF bit */
#define TEF_BitNumber 0x08
#define CSR_TEF_BB (PERIPH_BB_BASE + (CSR_OFFSET * 32) + (TEF_BitNumber * 4))
/* ---------------------- BKP registers bit mask ------------------------ */
/* RTCCR register bit mask */
#define RTCCR_CAL_MASK ((uint16_t)0xFF80)
#define RTCCR_MASK ((uint16_t)0xFC7F)
/**
* @}
*/
/** @defgroup BKP_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup BKP_Private_Functions
* @{
*/
/**
* @brief Deinitializes the BKP peripheral registers to their default reset values.
* @param None
* @retval None
*/
void BKP_DeInit(void)
{
RCC_BackupResetCmd(ENABLE);
RCC_BackupResetCmd(DISABLE);
}
/**
* @brief Configures the Tamper Pin active level.
* @param BKP_TamperPinLevel: specifies the Tamper Pin active level.
* This parameter can be one of the following values:
* @arg BKP_TamperPinLevel_High: Tamper pin active on high level
* @arg BKP_TamperPinLevel_Low: Tamper pin active on low level
* @retval None
*/
void BKP_TamperPinLevelConfig(uint16_t BKP_TamperPinLevel)
{
/* Check the parameters */
assert_param(IS_BKP_TAMPER_PIN_LEVEL(BKP_TamperPinLevel));
*(__IO uint32_t *) CR_TPAL_BB = BKP_TamperPinLevel;
}
/**
* @brief Enables or disables the Tamper Pin activation.
* @param NewState: new state of the Tamper Pin activation.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void BKP_TamperPinCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CR_TPE_BB = (uint32_t)NewState;
}
/**
* @brief Enables or disables the Tamper Pin Interrupt.
* @param NewState: new state of the Tamper Pin Interrupt.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void BKP_ITConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CSR_TPIE_BB = (uint32_t)NewState;
}
/**
* @brief Select the RTC output source to output on the Tamper pin.
* @param BKP_RTCOutputSource: specifies the RTC output source.
* This parameter can be one of the following values:
* @arg BKP_RTCOutputSource_None: no RTC output on the Tamper pin.
* @arg BKP_RTCOutputSource_CalibClock: output the RTC clock with frequency
* divided by 64 on the Tamper pin.
* @arg BKP_RTCOutputSource_Alarm: output the RTC Alarm pulse signal on
* the Tamper pin.
* @arg BKP_RTCOutputSource_Second: output the RTC Second pulse signal on
* the Tamper pin.
* @retval None
*/
void BKP_RTCOutputConfig(uint16_t BKP_RTCOutputSource)
{
uint16_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_BKP_RTC_OUTPUT_SOURCE(BKP_RTCOutputSource));
tmpreg = BKP->RTCCR;
/* Clear CCO, ASOE and ASOS bits */
tmpreg &= RTCCR_MASK;
/* Set CCO, ASOE and ASOS bits according to BKP_RTCOutputSource value */
tmpreg |= BKP_RTCOutputSource;
/* Store the new value */
BKP->RTCCR = tmpreg;
}
/**
* @brief Sets RTC Clock Calibration value.
* @param CalibrationValue: specifies the RTC Clock Calibration value.
* This parameter must be a number between 0 and 0x7F.
* @retval None
*/
void BKP_SetRTCCalibrationValue(uint8_t CalibrationValue)
{
uint16_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_BKP_CALIBRATION_VALUE(CalibrationValue));
tmpreg = BKP->RTCCR;
/* Clear CAL[6:0] bits */
tmpreg &= RTCCR_CAL_MASK;
/* Set CAL[6:0] bits according to CalibrationValue value */
tmpreg |= CalibrationValue;
/* Store the new value */
BKP->RTCCR = tmpreg;
}
/**
* @brief Writes user data to the specified Data Backup Register.
* @param BKP_DR: specifies the Data Backup Register.
* This parameter can be BKP_DRx where x:[1, 42]
* @param Data: data to write
* @retval None
*/
void BKP_WriteBackupRegister(uint16_t BKP_DR, uint16_t Data)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_BKP_DR(BKP_DR));
tmp = (uint32_t)BKP_BASE;
tmp += BKP_DR;
*(__IO uint32_t *) tmp = Data;
}
/**
* @brief Reads data from the specified Data Backup Register.
* @param BKP_DR: specifies the Data Backup Register.
* This parameter can be BKP_DRx where x:[1, 42]
* @retval The content of the specified Data Backup Register
*/
uint16_t BKP_ReadBackupRegister(uint16_t BKP_DR)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_BKP_DR(BKP_DR));
tmp = (uint32_t)BKP_BASE;
tmp += BKP_DR;
return (*(__IO uint16_t *) tmp);
}
/**
* @brief Checks whether the Tamper Pin Event flag is set or not.
* @param None
* @retval The new state of the Tamper Pin Event flag (SET or RESET).
*/
FlagStatus BKP_GetFlagStatus(void)
{
return (FlagStatus)(*(__IO uint32_t *) CSR_TEF_BB);
}
/**
* @brief Clears Tamper Pin Event pending flag.
* @param None
* @retval None
*/
void BKP_ClearFlag(void)
{
/* Set CTE bit to clear Tamper Pin Event flag */
BKP->CSR |= BKP_CSR_CTE;
}
/**
* @brief Checks whether the Tamper Pin Interrupt has occurred or not.
* @param None
* @retval The new state of the Tamper Pin Interrupt (SET or RESET).
*/
ITStatus BKP_GetITStatus(void)
{
return (ITStatus)(*(__IO uint32_t *) CSR_TIF_BB);
}
/**
* @brief Clears Tamper Pin Interrupt pending bit.
* @param None
* @retval None
*/
void BKP_ClearITPendingBit(void)
{
/* Set CTI bit to clear Tamper Pin Interrupt pending bit */
BKP->CSR |= BKP_CSR_CTI;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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; *************************************************************
; *** Scatter-Loading Description File generated by uVision ***
; *************************************************************
LR_IROM1 0x08000000 0x00008000 { ; load region size_region
ER_IROM1 0x08000000 0x00008000 { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
.ANY (+XO)
}
RW_IRAM1 0x20000000 0x00002800 { ; RW data
.ANY (+RW +ZI)
}
}
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.\objects\core_cm3.o: Start\core_cm3.c
.\objects\core_cm3.o: D:\Tool\Keil\ARM\ARMCC\Bin\..\include\stdint.h
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