for test
Dependencies: mbed STM32F4_RNG DHT BMP180
main.cpp
- Committer:
- zeroking5
- Date:
- 2020-04-27
- Revision:
- 0:8e7ad44f2e4b
- Child:
- 1:2be15f3211a7
File content as of revision 0:8e7ad44f2e4b:
#include "mbed.h" #include "STM32F4_RNG.h" #include "DHT.h" #include "BMP180.h" Serial pc(USBTX, USBRX); Serial esp(D8, D2); // tx D8, rx D2 DigitalOut reset(D4); Timer t; STM32F4_RNG RANDOM1; int mycount,ended,timeout; char buf[1024]; char snd[255]; char ssid[32] = "King5"; // enter WiFi router ssid inside the quotes char pwd [32] = "88888888"; // enter WiFi router password inside the quotes char apiKey[32] = "UADVBX13ELBYAO7M"; unsigned long ranval; #define TEMPVAL 23 #define HUMIVAL 67 #define RAYVAL 45 #define PREVAL 340 int tempVal = 23; int humiVal = 67; int rayVal = 45; int pressVal = 340; unsigned long randVal; unsigned char shortrandVal= 0; float fhumi,ftemp,fray,fpress; void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(),HTTPConfig(),PostData(); AnalogIn analog_value(A0); DHT devDht(D7,DHT11); BMP180 bmp180(PB_14, PB_13); int main() { reset=0; //hardware reset for 8266 pc.baud(115200); // set what you want here depending on your terminal program speed pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r"); wait(0.5); reset=1; timeout=2; getreply(); esp.baud(115200); // change this to the new ESP8266 baudrate if it is changed at any time. //ESPsetbaudrate(); //****************** include this routine to set a different ESP8266 baudrate ****************** //ESPconfig(); //****************** include Config to set the ESP8266 configuration *********************** HTTPConfig(); // continuosly get AP list and IP while(1) { //pc.printf("get data from server\r\n"); PostData(); } } // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed void ESPsetbaudrate() { strcpy(snd, "AT+CIOBAUD=115200\r\n"); // change the numeric value to the required baudrate SendCMD(); } // +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++ void ESPconfig() { } void SendCMD() { esp.printf("%s", snd); } void getreply() { memset(buf, '\0', sizeof(buf)); t.start(); ended=0; mycount=0; while(!ended) { if(esp.readable()) { buf[mycount] = esp.getc(); mycount++; } if(t.read() > timeout) { ended = 1; t.stop(); t.reset(); } } } void HTTPConfig() { pc.printf("\n---------- Get Version ----------\r\n"); strcpy(snd,"AT+GMR\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(3); // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station) pc.printf("\n---------- Setting Mode ----------\r\n"); strcpy(snd, "AT+CWMODE_DEF=1\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n---------- Connecting to AP ----------\r\n"); pc.printf("ssid = %s pwd = %s\r\n",ssid,pwd); strcpy(snd, "AT+CWJAP_DEF=\""); strcat(snd, ssid); strcat(snd, "\",\""); strcat(snd, pwd); strcat(snd, "\"\r\n"); SendCMD(); timeout=10; getreply(); pc.printf(buf); wait(5); pc.printf("\n-----------set to auto connect -----\r\n"); strcpy(snd,"AT+CWAUTOCONN=1\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n-----------set sigle connect -----\r\n"); strcpy(snd,"AT+CIPMUX=0\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n------------connect to server --------\r\n"); strcpy(snd,"AT+CIPSTART=\"TCP\",\"api.thingspeak.com\",80\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n------------set to touchuan --------\r\n"); strcpy(snd,"AT+CIPMODE=1\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); pc.printf("\n-----------starting send--------\r\n"); strcpy(snd,"AT+CIPSEND\r\n"); SendCMD(); timeout=4; getreply(); pc.printf(buf); wait(2); } char postStr[256]; void PostData() { int len; if(devDht.readData() == ERROR_NONE) { fhumi = devDht.ReadHumidity(); ftemp = devDht.ReadTemperature(CELCIUS); pc.printf("temp:%4.1f\thumi:%4.1f\n",ftemp,fhumi); } fray = analog_value.read(); bmp180.normalize(); fpress = bmp180.read_pressure(); //pressVal = bmp180.read_temperature(); wait(2); //len = sprintf(snd,"GET https://api.thingspeak.com/update?api_key=07A5WIB5QT14WRGV&field1=%d&field2=%d&field3=%d&field4=%d\r\n",tempVal,humiVal,pressVal,rayVal); len = sprintf(snd,"GET https://api.thingspeak.com/update?api_key=07A5WIB5QT14WRGV&field1=%.1f&field2=%.1f&field3=%.1f&field4=%.2f\r\n",ftemp,fhumi,fpress,fray); SendCMD(); timeout=10; getreply(); pc.printf(buf); pc.printf("\r\n%s",snd); wait(28); }