for test
Dependencies: mbed STM32F4_RNG DHT BMP180
Diff: main.cpp
- Revision:
- 0:8e7ad44f2e4b
- Child:
- 1:2be15f3211a7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Apr 27 02:36:51 2020 +0000 @@ -0,0 +1,218 @@ +#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); + +} +