라즈베리파이 3b+ DB연결 프로젝트

온도별 옷차림과 부가기능(c언어,라즈베리파이)  (완료)

#include  <stdio.h>
#include  <wiringPi.h>
#include  <wiringPiI2C.h>
#include  <malloc.h>
#include  <time.h>

#define SHT20_I2C_ADDR  0x40 
#define SHT20_I2C_CMD_MEASURE_TEMP  0xF3 
#define SHT20_I2C_CMD_MEASURE_HUMI  0xF5 
#define SHT20_SOFT_RESET  0xFE 
#define LIGHT_I2C_ADDR 0x23 
#define LIGHT_I2C_POWER_DOWN 0x00 
#define LIGHT_I2C_POWER_ON 0x01 
#define LIGHT_I2C_RESET 0x07 
#define LIGHT_I2C_CON_HR_MODE 0x10 
#define LED_I2C_ADDR 0x20 
#define IN_PORT0  0x00 
#define IN_PORT1 0x01 
#define OUT_PORT0 0x02 
#define OUT_PORT1 0x03 
#define POLARITY_IVE_PORT0 0x04 
#define POLARITY_IVE_PORT1 0x05 
#define CONFIG_PORT0 0x06 
#define CONFIG_PORT1 0x07 

typedef struct tempbyclothes 
{ 
float temp;            //?⑤룄 
float humi;           //?듬룄 
float light;           //愿묐웾 
struct tempbyclothes *link; 
} Tempbyclothes; 

int addHead(Tempbyclothes **head, float temp, float humi, float light); 
Tempbyclothes *newNode(float temp, float humi, float light); 
int removeHead(Tempbyclothes **head); 
int removeAll(Tempbyclothes **head); 
void printList(Tempbyclothes *head); 
int saveList(char *fileName, Tempbyclothes*head); 
int saveNode(FILE *fp, Tempbyclothes *node); 
int getCount(Tempbyclothes *head); 

int fd,fd2,fd3; 
int main(void) 
{ 
Tempbyclothes *head = NULL;          //?ㅻ뜑 ?먭컪 
float temp = 0.0; 
float humi = 0.0; 
float light; 
int aData[2]; 
int value; 
int i,j,k; 
float lightValue = 0.0; 
int aData2[2]; 
int value2; 
int count=0,cnt=0; 
time_t timer; 
struct tm*t; 
const int led[8]={0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80}; 

if((fd = wiringPiI2CSetup(SHT20_I2C_ADDR)) < 0)   //I2C ?쒖뒪??珥덇린???ㅼ젙 
{ 
return -1; 
} 

wiringPiI2CWrite(fd, SHT20_SOFT_RESET);          //SHT20 ?쇱꽌 珥덇린???ㅼ젙 
//delay(50); 

if((fd2 = wiringPiI2CSetup(LIGHT_I2C_ADDR))<0)  //I2C ?쒖뒪??珥덇린???ㅼ젙 
{ 
return -1; 
} 

wiringPiI2CWrite(fd2, LIGHT_I2C_RESET);      //LIGHT ?쇱꽌 珥덇린???ㅼ젙 
//delay(50); 

if((fd3 = wiringPiI2CSetup(LED_I2C_ADDR)) < 0) 
{ 
return -1;  
} 

wiringPiI2CWriteReg16(fd3, CONFIG_PORT1, 0x00); 

while(1) 
{ 
wiringPiI2CWrite(fd, SHT20_I2C_CMD_MEASURE_TEMP); //?⑤룄 痢≪젙 紐⑤뱶 
delay(260); 


for(i=0; i<2; i++) //痢≪젙???곗씠???€??
{ 
aData[i] = wiringPiI2CRead(fd); 
} 
value = aData[0] << 8 | aData[1]; 
temp = -46.85 + 175.72/65536*(int) value; //痢≪젙???곗씠?곕줈 ?⑤룄怨꾩궛 

wiringPiI2CWrite(fd, SHT20_I2C_CMD_MEASURE_HUMI); 
delay(260); 

for(i=0; i<2; i++)                       //痢≪젙???곗씠???€??
{ 
aData[i] = wiringPiI2CRead(fd); 
} 

value = aData[0] << 8 | aData[1]; 
humi = -6.0 + 125.0/65536*(int)value; //痢≪젙???곗씠?곕줈 ?듬룄怨꾩궛 

delay(500); 

if(temp>28)                          //?⑤룄???곕Ⅸ ?룹감由?異쒕젰 
{ 
printf("Temp : %.1lf  short sleeve and pants\n",temp); 
} 

else if(temp>25) 
{ 
printf("Temp : %.1lf short sleeve and pants thin shirt\n",temp); 
} 

else if(temp>23) 
{ 
printf("Temp : %.1lf long tee blue jeans thin cardigan\n",temp); 
} 

else if(temp>18) 
{ 
printf("Temp : %.1lf knit man-to-man thin jacket\n",temp); 
} 

else if(temp>13) 
{ 
printf("Temp : %.1lf jacket cardigan field jacket\n",temp); 
} 

else if(temp>9) 
{ 
printf("Temp : %.1lf jacket trenchcoat stockings\n",temp); 
} 

else if(temp>5) 
{ 
printf("Temp : %.1lf coat heat-tech leggings\n",temp); 
} 
else 
printf("Temp : %.1lf padding heavycoat muffler\n",temp); 


wiringPiI2CWrite(fd2, LIGHT_I2C_CON_HR_MODE); //鍮?痢≪젙紐⑤뱶 
delay(260); 

for(j=0; j<2; j++) //?곗씠???€??
{ 
aData2[j] = wiringPiI2CRead(fd2); 
} 

value2 = (aData2[0]*255) + aData2[1]; //鍮??멸린 援ы븯湲?
lightValue = (int)value2 / 1.2; 


if(lightValue>400) //鍮??멸린???곕Ⅸ ?좏겕由?沅뚯옣 
        { 

                printf("LIGHTVALUE :  %.1lf  suncream 100\n",lightValue); 
        } 

        else if(lightValue>200) 
        { 

                 printf("LIGHTVALUE :  %.1lf suncream 50\n", lightValue); 
        } 

        else 

                printf("LIGHTVALUE :  %.1lf suncream 10\n", lightValue); 
delay(2000); 

timer = time(NULL); 
t = localtime(&timer); 

//if(t->tm_sec%2==0) 
//{ 
addHead(&head,temp,humi,lightValue); 
printList(head); 
count++; 
//} 
(saveList("project2_1.txt",head)); 
if(count%3==0) 
{ 
removeAll(&head); 
} 
printf("\n"); 
delay(200); 



if(temp>30&&humi>70) 
{ 
for(k=0;k<8;k++) 
{ 
wiringPiI2CWriteReg16(fd3, OUT_PORT1, led[k]); 
} 
} 

else if(temp>28.5&&humi>60) 
{ 
for(k=0;k<7;k++) 
{ 
wiringPiI2CWriteReg16(fd3, OUT_PORT1, led[k]); 
} 
} 
else if(temp>26&&humi>45) 
{ 
for(k=0;k<6;k++) 
{ 
wiringPiI2CWriteReg16(fd3, OUT_PORT1, led[k]); 
} 
} 
else if(temp>24&&humi>40) 
{ 
for(k=0;k<4;k++) 
{ 
wiringPiI2CWriteReg16(fd3, OUT_PORT1, led[k]); 
} 
} 
else 
for(k=0;k<2;k++) 
{ 
wiringPiI2CWriteReg16(fd3, OUT_PORT1, led[k]); 
} 
//delay(1000); 

} 
return 0; 
} 

int addHead(Tempbyclothes **head, float temp, float humi, float light) 
{ 
Tempbyclothes *node = newNode(temp,humi,light); 
if(node==NULL) return FALSE; 
if(head!=NULL) 
{ 
node->link= *head; 
*head=node; 
} 
return TRUE; 
} 

Tempbyclothes *newNode(float temp, float humi,float light) 
{ 
Tempbyclothes *node = (Tempbyclothes *) malloc(sizeof(Tempbyclothes)); 
node->temp=temp; 
node->humi=humi; 
node->light=light; 
node->link=NULL; 

return node; 
} 

int removeHead(Tempbyclothes **head) 
{ 
if(*head ==NULL) return FALSE; 

Tempbyclothes *node=*head; 
*head=node->link; 

free(node); 
return TRUE; 
} 

int removeAll(Tempbyclothes **head) 
{ 
if(head==NULL) return FALSE; 
while(*head !=NULL) removeHead(head); 
return TRUE; 
} 

void printList(Tempbyclothes *head) 
{ 
Tempbyclothes *current = head; 
int position = 0; 
int i=0; 
while(current != NULL) 
{ 
i++; 
printf("(%d) %.1lf %.1lf %.1lf \n",i, current->temp, current->humi, 
current->light); 
current = current ->link; 
} 
return; 
} 

int saveList(char *fileName, Tempbyclothes*head) 
{ 
int i=0; 
int cnt = getCount(head); 
Tempbyclothes *current = head; 
FILE * fp = fopen(fileName,"w+"); 
for(i=0; i<cnt; i++) 
{ 
if(!saveNode(fp, current)) 
{ 
printf("(!) save node failed...\n"); 
return FALSE; 
} 
current = current->link; 
} 
fclose(fp); 
return TRUE; 
} 

int saveNode(FILE *fp, Tempbyclothes*node) 
{ 
if(fp ==NULL) return FALSE; 
if(node ==NULL) return FALSE; 

char buf[255]=""; 
sprintf(buf," %.1lf %.1lf %.1lf\n", node ->temp, node->humi, node->light); 
fputs(buf, fp); 

return TRUE; 
} 

int getCount(Tempbyclothes *head) 
{ 
int count = 0; 
Tempbyclothes * current = head; 
while(current!=NULL) 
{ 
current = current ->link; 
count++; 
} 
return count; 
}

1. 라즈베리파이로 부터 데이터 (온도, 습도, 빛의세기) 를 받아온다.(PUTTY)

 

2. (1) 받아오는 데이터를 if문을 사용해 온도에 따른 옷차림, 빛의세기에 따른 썬크림 권장사항, 온습도에 따른 불쾌지수

        에 따라 데이터를 만든다.

   (2) 온도와 습도에 따라 LED가 올라갔다가 내려갔다가 한다.

 

3. 만들어진 데이터를 연결리스트로 만든다.

   연결리스트에서 사용한 기능

  - 삽입

  - 삭제

  - 저장

 

4. 결론적으로 라즈베리파이로 부터 데이터를 받고 그데이터에 관한 데이터( 메타데이터 ) 를 만들어 연결리스트로

   만든 후 시간주기에 따라 삭제와 저장 (txt파일 자동생성) 이 이루어진다.

 

 

 

시현 영상

https://www.youtube.com/watch?v=2OhkMCyOEE0&feature=youtu.be

불러오는 중입니다...