post sensor data to esp yun
Dependencies: WIZnetInterface mbed
Fork of espyun by
main.cpp
- Committer:
- dfrobot
- Date:
- 2016-11-25
- Revision:
- 9:b5c8b5e14195
- Parent:
- 8:472cd389f3eb
File content as of revision 9:b5c8b5e14195:
#include "mbed.h" #include "EthernetInterface.h" #include "cJSON.h" #define MASTER_KEY "b1e92cf17fe4482647924941949ab2b07ffab548" DigitalInOut myIOD10(D10); DigitalIn myInD11(D11); DigitalOut myOutD12(D12); AnalogIn myInA1(A1); int socketPort = 8000; int httpPort = 80; char g_buffer[500]; Serial pc(PA_13,PA_14); int MallocSize = 800*sizeof(char); bool http_GET(TCPSocketConnection &conn); bool http_POST(TCPSocketConnection &conn,int vall); void receive_dht11(); unsigned char receive_byte(); void button_led(); Timeout receive_dht11Timeout; Timeout button_ledTimeout; void delay(unsigned char ms) { unsigned int y; while(ms--) for(y=1920; y>0; y--); } void Delay_us(unsigned char us) { unsigned char y; while(us--) for(y=2; y>0; y--); } float val; bool out=false; unsigned char RH,RL,TH,TL; unsigned char data_byte; unsigned int U8FLAG; static unsigned char num = 4; const char receive_module[4][5] = {"Led", "Gas", "Hum", "Temp", }; int main() { int phy_link; pc.printf("Wait a second...\r\n"); uint8_t mac_addr[6] = {0x78, 0x08, 0xDC, 0x1c, 0xa8, 0x95}; receive_dht11Timeout.attach(&receive_dht11,0.2f); button_ledTimeout.attach(&button_led,0.1f); EthernetInterface eth; eth.init(mac_addr); //Use DHCP eth.connect(); pc.printf("start IP Address is %s\r\n", eth.getIPAddress()); do{ phy_link = eth.ethernet_link(); pc.printf("..."); pc.printf("phy_link=%d...", phy_link); wait(2); }while(!phy_link); printf("\r\n"); pc.printf("IP Address is %s\r\n", eth.getIPAddress()); TCPSocketConnection conn; while(true) { //wait(0.5f); if(num) { if (num == 4) val = TH; else if (num == 3) val = RH; else if (num == 2) val = myInA1.read_u16(); else if (num == 1) val = myOutD12.read(); } //int mathtest = ceil(val);//math. pc.printf("start http_post\r\n"); wait(1); conn.connect("iot.espressif.cn", httpPort); http_POST(conn, val); conn.close(); val = 0.0; //mathtest = 0; if(out)break; } //conn.close(); eth.disconnect(); pc.printf("out the program!\r\n"); return 0; } /*http POST*/ bool http_POST(TCPSocketConnection &conn, int val) { pc.printf("%s():%d\n",__FUNCTION__, __LINE__); cJSON* http_post=NULL; http_post = cJSON_CreateObject(); if(NULL == http_post) { pc.printf("OUT4\r\n"); out = true; return false; } cJSON* http_post_json=NULL; http_post_json = cJSON_CreateObject(); if(NULL == http_post_json) { cJSON_Delete(http_post); pc.printf("OUT5\r\n"); out = true; return false; } cJSON_AddNumberToObject(http_post_json, "x", val); //cJSON_AddNumberToObject(http_post_json, "y", 2); //cJSON_AddNumberToObject(http_post_json, "z", 2); cJSON_AddItemToObject(http_post, "datapoint", http_post_json); char* pJSON_http_post = cJSON_PrintUnformatted(http_post); if(NULL == pJSON_http_post) { cJSON_Delete(http_post); pc.printf("OUT6\r\n"); out = true; return false; } //Pay attention to out of memory //char http_POST_cmd[500] = "POST /v1/datastreams/jhtest/datapoint/ HTTP/1.1\r\nUser-Agent: curl/7.22.0 (i686-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3\r\n"\ // "Host:iot.espressif.cn\r\nAccept: */*\r\nAuthorization: token ebe1671e9d9f42a5231d017ec550552b9bae2cdf\r\n"\ // "Content-Length: 33\r\nContent-Type: application/x-www-form-urlencoded\r\n\r\n"; //char http_POST_cmd[500];// = "POST /v1/datastreams/test/datapoint/ HTTP/1.1\r\nUser-Agent: curl/7.22.0 (i686-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3\r\n"\ // "Host:iot.espressif.cn\r\nAccept: */*\r\nAuthorization: token b1e92cf17fe4482647924941949ab2b07ffab548\r\n"\ // "Content-Length: "; sprintf(g_buffer,"POST /v1/datastreams/%s/datapoint/ HTTP/1.1\r\nUser-Agent: curl/7.35.0\r\n"\ "Host:iot.espressif.cn\r\nAccept: */*\r\nAuthorization: token %s\r\n"\ "Content-Length: ", receive_module[num-1], MASTER_KEY); num--; if (num == 0) num = 4; char len[2]; len[0]=strlen(pJSON_http_post)/10%10+48; len[1]=strlen(pJSON_http_post)%10+48; strcat(g_buffer,len); strcat(g_buffer,"\r\nContent-Type: application/x-www-form-urlencoded\r\n\r\n"); strcat(g_buffer,pJSON_http_post); conn.send_all(g_buffer, strlen(g_buffer));//http_cmd for http,pJSON for socket,should be three changes pc.printf("%s\r\n",g_buffer); char *buffer = NULL; buffer = (char *)malloc(MallocSize); if(!buffer)pc.printf("malloc buffer err\r\n"); pc.printf("http_POST OUT\r\n"); free(pJSON_http_post); free(buffer); cJSON_Delete(http_post); return true; } /*http_GET*/ bool http_GET(TCPSocketConnection &conn) { if(conn.is_connected()){ pc.printf("connect is already ok!\r\n"); }else{ if(!conn.connect("iot.espressif.cn", httpPort)) //80 for http,8000 for socket pc.printf("connect OK!\r\n"); else{ pc.printf("connct ERR!\r\n"); out = true; return false; } } snprintf(g_buffer,sizeof(g_buffer),"GET /v1/datastreams/Led/datapoint/ HTTP/1.1\r\nUser-Agent: curl/7.22.0 (i686-pc-linux-gnu) libcurl/7.22.0 OpenSSL/1.0.1 zlib/1.2.3.4 libidn/1.23 librtmp/2.3\r\n"\ "Host:iot.espressif.cn\r\nAccept: */*\r\nAuthorization: token %s\r\n\r\n",MASTER_KEY); conn.send_all(g_buffer, strlen(g_buffer));//http_cmd for http,pJSON for socket,should be three changes pc.printf("%s\r\n",g_buffer); int ret; while (true) { wait(1); ret = conn.receive(g_buffer, 500-1); pc.printf("ret = %d\r\n",ret); if (ret <= 0) { break; } g_buffer[ret] = '\0'; pc.printf("Received %d chars from server: %s\n", ret, g_buffer); } pc.printf("http_GET OUT\r\n"); return true; } unsigned char receive_byte() { unsigned char i,temp; for(i=0;i<8;i++) { U8FLAG = 2; while(!myIOD10.read() && U8FLAG++); Delay_us(30); temp=0; if(myIOD10.read()==1) temp=1; U8FLAG = 2; while(myIOD10.read() && U8FLAG++); if(U8FLAG==1)break; data_byte<<=1;// data_byte|=temp; } return data_byte; } void receive_dht11() { unsigned char T_H,T_L,R_H,R_L,check,num_check; myIOD10.output(); myIOD10.write(0); delay(20); myIOD10.write(1); Delay_us(25); myIOD10.write(1); myIOD10.input(); if(!myIOD10.read()) { while(!myIOD10.read()); while(myIOD10.read()); R_H=receive_byte(); R_L=receive_byte(); T_H=receive_byte(); T_L=receive_byte(); check=receive_byte(); //pc.printf("--R_H--%d---R_L---%d--T_H--%d---T_L---%d\r\n", R_H,R_L,T_H,T_L); Delay_us(20); num_check=R_H+R_L+T_H+T_L;//pc.printf("--num_check--%d---check---%d\r\n", num_check,check); if(num_check==check) { RH=R_H; RL=R_L; TH=T_H; TL=T_L; check=num_check; } } receive_dht11Timeout.attach(&receive_dht11,0.2f); } void button_led() { while(myInD11.read()) { wait(0.01f); if(!myInD11.read()) { myOutD12.write(!myOutD12.read()); break; } } button_ledTimeout.attach(&button_led,0.1f); }