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#include<reg51.h>
#include <intrins.h>
//#define uchar unsigned char
//#define uint unsigned int
void KeyScan1(void);
sbit Key_jibu=P2^0;
#define SET_TR2 AUXR |= 0x10
#define CLR_TR2 AUXR &= ~0x10
#define SET_ET2 IE2 |= 0x04
#define CLR_ET2 IE2 &= ~0x04
//nop指令個數定義
#define nops() {_nop_();_nop_();_nop_();_nop_();_nop_();}
bit start_flag=0;
//端口定義，可修改
sbit SDA1=P1^1; //IIC數據線定義（可自行定義引腳）
sbit SCL=P1^0; //IIC時鐘線定義（可自行定義引腳）
//內部數據定義
unsigned char IIC_ad_main; //器件從地址
unsigned char IIC_ad_sub; //器件子地址
unsigned char *IIC_buf; //發送接收數據緩沖區
unsigned char IIC_num; //發送接收數據緩個數
unsigned int step_num=0;
unsigned char x1,y1,z1;
int x,y,z;
bit x_flag=0;
//bit z_flag=0;
#define ack 1 //主應答
#define no_ack 0 //從應答
/*延時子程序，實現按鍵消抖功能*/
void delayms( )
{ int i=10,j=110;
for(i=10;i>0;i--)
for(j=110;j>0;j--);
}
void send232byte(unsigned char bytebuf)
{
SBUF=bytebuf;
while(!TI);
TI=0;
}
void IIC_start(void){
SCL=0;
SDA1=1;
_nop_();
SCL=1;
nops();
SDA1=0;
nops();
SCL=0;
}
//************************************************
//送停止位SDA=0->1
void IIC_stop(void){
SCL=0;
_nop_();
SDA1=0;
_nop_();
SCL=1;
nops();
SDA1=1;
nops();
SCL=0;
}
//************************************************
//主應答（包括ack:SDA=0和no_ack:SDA=0)
void IIC_ack_main(bit ack_main){
SCL=0;
if(ack_main)SDA1=0; //ack主應答
else SDA1=1; //no_ack無需應答
nops();
SCL=1;
nops();
SCL=0;
}
//*************************************************
//字節發送程序
//發送c（可以是數據也可以是地址），送完后接收從應答
//不考慮從應答
void send_byte(unsigned char c)
{
unsigned char i;
for(i=0;i<8;i++)
{
SCL=0;
if((c<<i) & 0x80)SDA1=1; //判斷發送位
else SDA1=0;
_nop_();
SCL=1;
nops();
SCL=0;
nops();
SCL=0;
}
nops();
SDA1=1; //發送完8bit，釋放總線準備接受應答位
_nop_();
SCL=1;
nops(); //sda上數據即是從應答位
SCL=0; //不考慮從應答但要控制好時序
}
//**************************************************
//字節接收程序
//接受器件傳來的數據，此程序應配合主應答函數IIC-ack main（）使用
//return: uchar型1字節
unsigned char read_byte(void){
unsigned char i;
unsigned char c;
c=0;
SCL=0;
_nop_();
SDA1=1; //置數據線為輸入方式
for(i=0;i<8;i++){
_nop_();
SCL=0; //置時鐘線為低，準備接收數據位
nops();
SCL=1; //置時鐘線為高，使數據線上數據有效
_nop_();
c<<=1;
if(SDA1)c+=1; //讀數據位，將接收的數據存c
}
SCL=0;
return c;
}
//***************************************************
//向無子地址器件發送單字節數據
void send_to_byte(unsigned char ad_main,unsigned char c){
IIC_start();
send_byte(ad_main); //發送器件地址
send_byte(c); //發送數據c
IIC_stop();
}
//***************************************************
//向有子地址器件發送多字節數據
void send_to_nbyte(unsigned char ad_main,unsigned char ad_sub,unsigned char *buf,unsigned char num)
{ unsigned char i;
IIC_start();
send_byte(ad_main); //發送器件地址
send_byte(ad_sub); //發送器件子地址
for(i=0;i<num;i++){
send_byte(*buf); //發送數據buf
buf++;
}
IIC_stop();
}
//***************************************************
//從無子地址器件讀單字節數據
//function:器件地址，所讀數據存在接收緩沖區當前字節
void read_from_byte(unsigned char ad_main,unsigned char *buf){
IIC_start();
send_byte(ad_main); //發送器件
*buf=read_byte();
IIC_ack_main(no_ack); //無需應答<no_ack=0>
IIC_stop();
}
//***************************************************
//從有子地址器件讀多個字節數據
//function:
void read_from_nbyte(unsigned char ad_main,unsigned char ad_sub,unsigned char *buf,unsigned char num){
unsigned char i;
IIC_start();
send_byte(ad_main);
send_byte(ad_sub);
for(i=0;i<num-1;i++){
*buf=read_byte();
IIC_ack_main(ack); //，主應答<ack=1>
buf++;
}
*buf=read_byte;
buf++; //本次指針調整無意義，目的是操作后buf指向下一地址
IIC_ack_main(no_ack); //無需應答<no_ack=0>
IIC_stop();
}
unsigned char MMA7455_readbyte(unsigned char address)
{
unsigned char ret = 100;
IIC_start(); //啟動
send_byte(0x3A); //寫入設備ID及寫信號
send_byte(address); //X地址
IIC_start(); //重新發送開始
send_byte(0x3B); //寫入設備ID及讀信號
ret = read_byte(); //讀取一字節
IIC_stop();
return ret;
}
//寫入
void MMA7455_writebyte(unsigned char address, unsigned char thedata)
{
IIC_start(); //啟動
send_byte(0x3A); //寫入設備ID及寫信號
send_byte(address); //X地址
send_byte(thedata); //寫入設備ID及讀信號
IIC_stop();
}
//初始化
//初始化為指定模式
void MMA7455_init()
{ //2g輸出測量模式
MMA7455_writebyte(0x16, 0x05);
//根據實際環境修改校驗值
/*MMA7455_writebyte(0x10,0x10);//校正X值
MMA7455_writebyte(0x12,0x30);//校正Y值
MMA7455_writebyte(0x14,0x00);//校正Z值 */
}
/************************顯示程序**********************************/
void display()
{
if (step_num/10000>0) //萬
OLED_ShowNum(0+8*5,4,step_num/10000,1,8*16);
else
OLED_ShowNum(0+8*5,4,0,1,8*16);
if (step_num/1000>0) //千
OLED_ShowNum(0+8*6,4,step_num%10000/1000,1,8*16);
else
OLED_ShowNum(0+8*6,4,0,1,8*16);
if (step_num/100>0) //百
OLED_ShowNum(0+8*7,4,step_num%1000/100,1,8*16);
else
OLED_ShowNum(0+8*7,4,0,1,8*16);
if (step_num/10>0) //十
OLED_ShowNum(0+8*8,4,step_num%100/10,1,8*16);
else
OLED_ShowNum(0+8*8,4,0,1,8*16);
//個
OLED_ShowNum(0+8*9,4,step_num%10,1,8*16);
}
/************讀取重力信息**************/
void Dat_dispose()
{
if(start_flag)
{ x1=MMA7455_readbyte(0x06);
y1=MMA7455_readbyte(0x07);
z1=MMA7455_readbyte(0x08);
}
x=x1;
y=y1;
z=z1;
if((x&0x80)==0x00)
{ x=(int)((x*196)/127); //轉變成加速度值
}
else { x=255-x;
x=(int)((x*196)/127);//轉變成加速度值
x=(-1)*x;
}
if((y&0x80)==0x00)
{ y=(int)((y*196)/127); //轉變成加速度值
}
else { y=255-y;
y=(int)((y*196)/127);//轉變成加速度值
y=(-1)*y;
}
if((z&0x80)==0x00)
{ z=(int)(((z-10)*196)/127); //轉變成加速度值
}
else { z=255-z;
z=(int)(((z+12)*196)/127);//轉變成加速度值
z=(-1)*z;
}
if(start_flag)
{
if(y>30&&x_flag==0&&z>70&&z<100)
{x_flag=1;
step_num++;}
else if(y<0)
{ x_flag=0;}
}
else x_flag=0;
}

復制代碼

#include "REG51.h"
#include "OLED.h"
//#include "bmp.h"
#include "DS1302.h"
#include "NRF24L01.h"
#include "key_deal.h"
#include "MMA7455.h"
#define false 0
#define true 1
#define FOSC 11059200L //系統時鐘
#define BAUD 115200 //波特率
#define T0MS (65536-FOSC/12/500) //500HZ in 12T MODE
#define ADC_POWER 0x80 //ADC POWER CONTROL BIT
#define ADC_FLAG 0x10 //ADC COMPLETE FLAG
#define ADC_START 0x08; //ADC START CONTROL BIT
#define ADC_SPEEDLL 0x00 //540 CLOCKS
#define ADC_SPEEDL 0x20 //360 CLOCKS
#define ADC_SPEEDH 0x40 //180 CLOCKS
#define ADC_SPEEDHH 0x60 //90 CLOCKS
#define ADC_MASK 0x01
void ADC_init(unsigned char channel);
void InitTimer0(void);
unsigned char ReturnPulse(void);
unsigned int analogRead(unsigned char channel);
unsigned char PulsePin = 5; // Pulse Sensor purple wire connected to analog pin 0(P1.0為傳感器輸入口)
int fadeRate = 0; // used to fade LED on with PWM on fadePin
unsigned char pp1;
unsigned char pp0;
unsigned char pp2;
unsigned char pp3;
unsigned int PL1=0;
void UART_init(void);
void Send(void);
// these variables are volatile because they are used during the interrupt service routine!
volatile unsigned int BPM; // used to hold the pulse rate
volatile unsigned int Signal; // holds the incoming raw data
volatile unsigned int IBI = 600; // holds the time between beats, must be seeded!
volatile bit Pulse = false; // true when pulse wave is high, false when it's low
volatile bit QS = false; // becomes true when Arduoino finds a beat.
volatile int rate[10]; // array to hold last ten IBI values
volatile unsigned long sampleCounter = 0; // used to determine pulse timing
volatile unsigned long lastBeatTime = 0; // used to find IBI
volatile int Peak =512; // used to find peak in pulse wave, seeded
volatile int Trough = 512; // used to find trough in pulse wave, seeded
volatile int thresh = 512; // used to find instant moment of heart beat, seeded
volatile int amp = 100; // used to hold amplitude of pulse waveform, seeded
volatile bit firstBeat = true; // used to seed rate array so we startup with reasonable BPM
volatile bit secondBeat = false; // used to seed rate array so we startup with reasonable BPM
static unsigned char order=0;
unsigned char DisBuff[4]={0};
void Int0_Init(void);
//void Int1_Init(void);
void Display_Init(void);
static unsigned char data temp[10];
bit data T0_FLAG=0;
bit data key_flag;
bit data key_flag1;
unsigned int mode1 = 0;
void delay(unsigned int n)
{
unsigned int i,j;
for(i=0;i<n;i++)
for(j=0;j<100;j++);
}
int main(void)
{ //u8 t;
//delay_init(); //延時函數初始化
// NVIC_Configuration(); //設置NVIC中斷分組2:2位搶占優先級，2位響應優先級 LED_Init(); //LED端口初始化
OLED_Init(); //初始化OLED
Ds1302_Init();
InitTimer0();
Display_Init();
ADC_init(PulsePin);
//InitTimer1();
Int0_Init();
init_NRF24L01();
SetRX_Mode();
UART_init();
//Int1_Init();
while(1)
{
delay_ms(10);
Ds1302_Read_Time();
/*判斷按鍵2是否啟動測試*/
if(0 == Key_Down)
{
delay_ms(100);
if(0 == Key_Down)
{
mode1=mode1+1;
}
}
/* 測心率 */
if(mode1==1)
{
OLED_ShowCHinese(0,0,0); //心
OLED_ShowCHinese(16,0,1); //率
OLED_ShowString(32,0,":");
OLED_ShowCHinese(0,2,2); //體
OLED_ShowCHinese(16,2,3); //溫
OLED_ShowString(32,2,":");
if (QS == true&&PL1>1000)
{ // Quantified Self flag is true when arduino finds a heartbeat
QS = false;
delay(100);
OLED_ShowNum(0+8*5,0,DisBuff[2],1,8*16); //百位顯示
OLED_ShowNum(0+8*6,0,DisBuff[1],1,8*16); //個十位顯示
OLED_ShowNum(0+8*7,0,DisBuff[0],1,8*16);
OLED_ShowString(64,0,"bpm");
///判斷是否異常
if((DisBuff[1]*10+DisBuff[0])<100&&(DisBuff[1]*10+DisBuff[0])>=60&&DisBuff[2]!=1)
{
OLED_ShowCHinese(0+8*12,0,24); //正常
OLED_ShowCHinese(0+8*14,0,26);
}
else if(DisBuff[1]==0&&DisBuff[2]==0&&DisBuff[0]==0)
{
OLED_ShowCHinese(0+8*12,0,29); //空
OLED_ShowCHinese(0+8*14,0,29);
}
else
{
OLED_ShowCHinese(0+8*12,0,25); //異常
OLED_ShowCHinese(0+8*14,0,26);
}
}
delay(138); // take a break 19.6ms
/*溫度測量 */
if(nRF24L01_RxPacket(temp)&&PL1>1000) //接收溫度
{
SetTX_Mode();
delay(100);
OLED_ShowString(56,2,".");
OLED_ShowCHinese(72,2,19);
OLED_ShowNum(0+8*5,2,temp[3]%100/10,1,8*16); //temp[3]存放十位
OLED_ShowNum(0+8*6,2,temp[3]%10,1,8*16); //個位
OLED_ShowNum(0+8*8,2,temp[2]%100/10,1,8*16); //temp[2]存放小數位
if(temp[3]>=36&&temp[3]<38)
{
OLED_ShowCHinese(0+8*12,2,24);
OLED_ShowCHinese(0+8*14,2,26);
}
else
{
OLED_ShowCHinese(0+8*12,2,25);
OLED_ShowCHinese(0+8*14,2,26);
}
temp[4] = ReturnPulse();
nRF24L01_TxPacket(temp);
SetRX_Mode();
}
if(PL1>1000)
{
PL1=0;
Send();
}
}
if(mode1>=3)
{
mode1=0;
OLED_ShowCHinese(0,0,29); //心
OLED_ShowCHinese(16,0,29); //率
OLED_ShowCHinese(32,0,29);
OLED_ShowCHinese(64,0,29);
OLED_ShowCHinese(72,0,29);
OLED_ShowCHinese(48,0,29);
OLED_ShowCHinese(56,0,29);
OLED_ShowCHinese(40,0,29);
OLED_ShowCHinese(0+8*12,0,29);
OLED_ShowCHinese(0+8*14,0,29);
OLED_ShowCHinese(0,2,29); //
OLED_ShowCHinese(16,2,29); //
OLED_ShowCHinese(32,2,29);
OLED_ShowCHinese(72,2,29);
OLED_ShowCHinese(64,2,29);
OLED_ShowCHinese(48,2,29);
OLED_ShowCHinese(56,2,29);
OLED_ShowCHinese(40,2,29);
OLED_ShowCHinese(0+8*12,2,29);
OLED_ShowCHinese(0+8*14,2,29);
}
OLED_ShowNum(0+8*10,4,time_buf1[6]/10,1,8*16);
OLED_ShowNum(0+8*11,4,time_buf1[6]%10,1,8*16);
if(0 == time_buf1[6])
{
OLED_ShowNum(0+8*7,4,time_buf1[5]/10,1,8*16);
OLED_ShowNum(0+8*8,4,time_buf1[5]%10,1,8*16);
if(0 == time_buf1[5])
{
EA = 0; //////
OLED_ShowNum(0+8*4,4,time_buf1[4]/10,1,8*16);
OLED_ShowNum(0+8*5,4,time_buf1[4]%10,1,8*16);
if(0 == time_buf1[4])
{
OLED_ShowNum(0+8*9,6,time_buf1[3]/10,1,8*16);
OLED_ShowNum(0+8*10,6,time_buf1[3]%10,1,8*16);
OLED_ShowCHinese(8*12,6,WEEK[time_buf1[7]]);
if(0 == time_buf1[3])
{
OLED_ShowNum(0+8*6,6,time_buf1[2]/10,1,8*16);
OLED_ShowNum(0+8*7,6,time_buf1[2]%10,1,8*16);
if(0 == time_buf1[2])
{
OLED_ShowNum(0+8*3,6,time_buf1[1]/10,1,8*16);
OLED_ShowNum(0+8*4,6,time_buf1[1]%10,1,8*16);
}
}
}
InitTimer0(); //每隔一小時，重新初始化一次
}
}
/* 時間調整/計步按鍵判斷 */
//按鍵判斷
if(key_flag == 1) //進入按鍵掃描
{
KeyScan();
key_flag = 0;
mode1=0;
}
}
}
…………余下代碼請下載附件……

復制代碼

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