yangyang
Dependencies: WIZnetInterface mbed
Fork of espyun1 by
main.cpp
- Committer:
- 846354866
- Date:
- 2016-11-05
- Revision:
- 6:bc4901a948b1
- Parent:
- 4:e1d2c6f94c69
- Child:
- 7:bda2a6a118f7
File content as of revision 6:bc4901a948b1:
#include "mbed.h" #include "EthernetInterface.h" #include "cJSON.h" DigitalInOut myIOD10(D10); DigitalOut myOutD12(D12); AnalogIn myInA1(A1); int socketPort = 8000; int httpPort = 80; Serial pc(PA_13,PA_14); char path[]="/v1/datastreams/test/datapoint/"; int MallocSize = 800*sizeof(char); bool socket_GET(TCPSocketConnection &conn); bool http_GET(TCPSocketConnection &conn); bool http_POST(TCPSocketConnection &conn,int vall); bool socket_POST(TCPSocketConnection &conn,int vall); bool closeConnect(TCPSocketConnection &conn); void receive_dht11(); unsigned char receive_byte(); Timeout receive_dht11Timeout; 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); 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("..."); wait(2); }while(!phy_link); printf("\r\n"); */ pc.printf("IP Address is %s\r\n", eth.getIPAddress()); TCPSocketConnection conn; while(true) { if(num) { if (num == 4) val = TH; else if (num == 3) val = RH; else if (num == 2) val = myInA1.read(); else if (num == 1) val = myOutD12.read(); } //int mathtest = ceil(val);//math.h pc.printf("send_data=%d\r\n",val); pc.printf("start http_post\r\n"); wait(1); if(http_POST(conn, val)) { if(!conn.close()){//短连接,断开一次连接一次 pc.printf("conn.close OK\r\n"); }else{ pc.printf("conn.close ERR\r\n"); break; } }else{ if(out)break; pc.printf("connect close err!!!to do something\r\n"); } val = 0.0; //mathtest = 0; if(out)break; } eth.disconnect(); pc.printf("out the program!\r\n"); return 0; } /*http POST*/ bool http_POST(TCPSocketConnection &conn, int val) { pc.printf("1111\r\n"); //wait(0.5); 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; } } pc.printf("2222\r\n"); cJSON* http_post=NULL; http_post = cJSON_CreateObject(); if(NULL == http_post) { pc.printf("OUT4\r\n"); out = true; return false; } pc.printf("3333\r\n"); 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); pc.printf("4444\r\n"); 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(http_POST_cmd,"POST /v1/datastreams/%s/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: ", receive_module[num-1]); 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(http_POST_cmd,len); strcat(http_POST_cmd,"\r\nContent-Type: application/x-www-form-urlencoded\r\n\r\n"); strcat(http_POST_cmd,pJSON_http_post); conn.send_all(http_POST_cmd, strlen(http_POST_cmd));//http_cmd for http,pJSON for socket,should be three changes pc.printf("%s\r\n",http_POST_cmd); pc.printf("5555\r\n"); char *buffer = NULL; buffer = (char *)malloc(MallocSize); if(!buffer)pc.printf("malloc buffer err\r\n"); int ret; pc.printf("6666\r\n"); while (true) { wait(1); ret = conn.receive(buffer, MallocSize-1); pc.printf("ret = %d\r\n",ret); if (ret <= 0) { break; } buffer[ret] = '\0'; pc.printf("Received %d chars from server: %s\n", ret, buffer); } pc.printf("http_POST OUT\r\n"); free(pJSON_http_post); free(buffer); cJSON_Delete(http_post); pc.printf("7777\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; } } //pc.printf("humidity [H] -out--%d\r\n", RH); //pc.printf("humidity [L] -out--%d\r\n", RL); //pc.printf("temperature [H] -out--%d\r\n", TH); //pc.printf("temperature [L] -out--%d\r\n", TL); receive_dht11Timeout.attach(&receive_dht11,0.2f); }