Raghavan Naresh Sarangapani
BLE Mesh Light Sensor output to FRDMK64f
Fork of
Hexi_Blinky_Example
by 
Hexiwear
Diff: main.cpp
- Revision:
- 15:67a7cca7ae06
- Parent:
- 14:02ddfa711646
- Child:
- 16:39e45e59677c
diff -r 02ddfa711646 -r 67a7cca7ae06 main.cpp
--- a/main.cpp Sun Mar 19 20:17:30 2017 +0000
+++ b/main.cpp Fri Mar 31 15:03:37 2017 +0000
@@ -2,212 +2,352 @@
#include "mbed.h"
#include "ESP8266.h" // Include header file from Author: Antonio Quevedo
#include "math.h"
+#include "DHT.h"
#include <string>
-#define APIKEY 45IE5JPN8ZIK2W2M //Put "Write key" of your channel in thingspeak.com
+#define APIKEY JJAOBK32WOINKT00 //Put "Write key" of your channel in thingspeak.com
#define IP "184.106.153.149" // IP Address of "api.thingspeak.com\"
-#define WIFI_SSID "Redmi"
-#define WIFI_PASS "akash12345"
+#define WIFI_SSID "Batman2G"
+#define WIFI_PASS "Alien12345"
+
+Serial FRDM_UART_Debug(USBTX,USBRX);
+
+ESP8266 ESP_8266_UART(PTC17, PTC16, 115200); // UART for ESP8266 Wifi module
+// Options are TX-RX - PTB11 - PTB10 , PTC17 - PTC16 , PTC15 - PTC14
-Serial pc(USBTX,USBRX);
-SPI spi(PTC6,PTC7,PTC5); // (MOSI MISO CLK)setup SPI interface on pins PTC5,PTC6,PTC7
-ESP8266 esp(PTC17, PTC16, 115200); // baud rate for wifi
+SPI SPI_Bus(PTD2,PTD3,PTD1); // (MOSI MISO CLK)setup SPI interface
+DigitalOut SPI_CS_AMM(PTC3);
+DigitalOut SPI_CS_VOLT(PTC2);
-DigitalOut cs1(PTC4);
-DigitalOut cs2(PTC3);
-I2C i2c(PTD9,PTD8);
+I2C I2C_Bus(PTE25,PTE24);
+
+AnalogIn AN_Thermo(PTB3); // Thermocouple Analog Input
+
+DigitalIn DG_Motion(PTB2); // Motion module Digital Input
-//AnalogIn check(PTB6);
-const int addr = 0x88;
+DHT DHT_Temp_Hum(PTC11,DHT22); //DHT Sensor
-char snd[255],rcv[1000],snd_Data[255]; //snd= string used to send command to ESP 8266 wii and rcv = string used to receive response from ESP8266 wifi module
+const int Light_I2C_Addr = 0x88;
+
+char ESP_8266_CMD_Send[255],ESP_8266_CMD_Recv[1000]; //ESP_8266_CMD_Send = string used to send command to ESP8266 & ESP_8266_CMD_Recv = string used to receive response from ESP8266
-int cnt = 0; // counter for number of motion detected
-int cnt1 = 0; // counter for number of motion detected
-int cnt2 = 0; // counter for number of motion detected
+float Amm_Out = 0;
+float Volt_Out = 0;
+float Light_Out = 0;
+float Thermo_Out = 0;
+float Temp_Out = 0;
+float Hum_Out = 0;
+int Motion_Out = 0;
+int Finger_Out = 0;
+float Pres_Out = 0;
-float ammeter_out = 0;
-float voltmeter_out = 0;
-float light_out = 0;
-void esp_initialize(void); // Function used to initialize ESP8266 wifi module
-void esp_send(void); // Function used to connect with thingspeak.com and update channel using ESP8266 wifi module
+void ESP_8266_Init(void); // Function used to initialize ESP8266 wifi module
+void ESP_8266_TX_Data(void); // Function used to connect with thingspeak.com and update channel using ESP8266 wifi module
int main()
{
-
- pc.baud(115200); // Baud rate used for communicating with Tera-term on PC
-
- pc.printf("START\r\n"); // Starting point
-
- esp_initialize();
+ int SPI_High_byte = 0;
+ int SPI_Low_byte = 0;
+ float Temp_f_1 = 0.00;
+ float Temp_f_2 = 0.00;
+ int Temp_i_1 = 0;
+ int Temp_i_2 = 0;
+ int Temp_i_3 = 0;
+ char I2C_Cmd[3];
+ int loop_count = 0;
- //ammeter + voltmeter code
- spi.format(8,0);
- spi.frequency(1000000);
- pc.printf("Analog read test from spi.\n");
- pc.printf("\n\r");
+ FRDM_UART_Debug.baud(115200); // Baud rate used for communicating with Tera-term on PC
+
+ ESP_8266_Init();
- //light code
- int exp,exp1,l=1;
- i2c.frequency(100000); // set required i2c frequency
- //pc.baud(9600); //set baud rate
- pc.printf("I2C started!\r\n");
- pc.printf("\n\r");
- char cmd[3]; //for byte transfer
-
+ SPI_Bus.format(8,0);
+ SPI_Bus.frequency(1000000);
+
+ I2C_Bus.frequency(100000); // set required i2c frequency
+
+ FRDM_UART_Debug.printf("Start sampling data\r\n"); // Starting point
+
while (1)
{
+ Amm_Out = 0;
+ Volt_Out = 0;
+ Light_Out = 0;
+ Thermo_Out = 0;
+ Temp_Out = 0;
+ Hum_Out = 0;
+ Motion_Out = 0;
+
wait(15);
- //ammeter code
-
- cs1=0;
- //spi.write();
- //pc.printf("%d\r\n",k);
- int high_byte = spi.write(0);
- int low_byte = spi.write(0);
- cs1=1;
- float m = ((high_byte & 0x1f) << 7) | ((low_byte >> 1));
- float k= (float)((m*1)/4096); // show value in volts.
- ammeter_out = (float)((k-0.5)*1000);
- pc.printf("Current value: %f mA\r\n", ammeter_out);
- //pc.printf("Analog Value of current : %.2f\n\r",m);
+
+ // Copy Motion values
+
+ Motion_Out = DG_Motion;
+
+ // Ammeter
+
+ SPI_High_byte = 0;
+ SPI_Low_byte = 0;
+ Temp_f_1 = 0.00;
+ Temp_f_2 = 0.00;
+ Temp_i_1 = 0;
+ Temp_i_2 = 0;
+ Temp_i_3 = 0;
+ I2C_Cmd[0] = 0;
+ I2C_Cmd[1] = 0;
+ I2C_Cmd[2] = 0;
+ loop_count = 0;
+
+ SPI_CS_AMM = 0;
+
+ SPI_High_byte = SPI_Bus.write(0);
+ SPI_Low_byte = SPI_Bus.write(0);
+
+ SPI_CS_AMM = 1;
+
+ Temp_f_1 = (( SPI_High_byte & 0x1f ) << 7 ) | (( SPI_Low_byte >> 1 ));
+
+ Temp_f_2= (float)(( Temp_f_1 * 1.00 ) / 4096.00 ); // Converting to volts
+
+ Amm_Out = (float)(( Temp_f_2 - 0.50 ) * 1000.00);
+
+ FRDM_UART_Debug.printf("Current value = %f mA\r\n", Amm_Out);
wait_ms(100);
- cs2=0;
- //spi.write();
- //pc.printf("%d\r\n",k);
- int hi_byte = spi.write(0);
- int lo_byte = spi.write(0);
- cs2=1;
- float x = ((hi_byte & 0x1f) << 7) | ((lo_byte >> 1));
+ // Voltmeter
+
+ SPI_High_byte = 0;
+ SPI_Low_byte = 0;
+ Temp_f_1 = 0.00;
+ Temp_f_2 = 0.00;
+ Temp_i_1 = 0;
+ Temp_i_2 = 0;
+ Temp_i_3 = 0;
+ I2C_Cmd[0] = 0;
+ I2C_Cmd[1] = 0;
+ I2C_Cmd[2] = 0;
+ loop_count = 0;
+
+ SPI_CS_VOLT = 0;
+
+ SPI_High_byte = SPI_Bus.write(0);
+ SPI_Low_byte = SPI_Bus.write(0);
+
+ SPI_CS_VOLT = 1;
+
+ Temp_f_1 = ((SPI_High_byte & 0x1f) << 7) | ((SPI_Low_byte >> 1));
+
+ Temp_f_2 = (float)((Temp_f_1 * 33) / 4096); // show value in volts.
+
+ Volt_Out = (float)(Temp_f_2 - 16.5);
- float r= (float)((x*33)/4096); // show value in volts.
- voltmeter_out = (float)(r-16.5);
- pc.printf("AD Voltage channel value: %f V\r\n", voltmeter_out);
- //pc.printf("Voltage Analog Value: %.2f\n\r",x);
+ FRDM_UART_Debug.printf("Voltage value = %f V\r\n", Volt_Out);
+ wait_ms(100);
+
+ //ambient light
+
+ SPI_High_byte = 0;
+ SPI_Low_byte = 0;
+ Temp_f_1 = 0.00;
+ Temp_f_2 = 0.00;
+ Temp_i_1 = 0;
+ Temp_i_2 = 0;
+ Temp_i_3 = 0;
+ I2C_Cmd[0] = 0;
+ I2C_Cmd[1] = 0;
+ I2C_Cmd[2] = 0;
+ loop_count = 0;
+
+ I2C_Cmd[0] = 0x01; //configuration register
+ I2C_Cmd[1]= 0xCC; //configuration data
+ I2C_Cmd[2]= 0x01; //configuration data
+
+ I2C_Bus.write(Light_I2C_Addr, I2C_Cmd, 3);
+
+ I2C_Cmd[0] = 0x00; // data register
+
+ I2C_Bus.write(Light_I2C_Addr, I2C_Cmd, 1);
+
wait_ms(100);
- //ambient light sensor code
-
- cmd[0] = 0x01; //configuration register
- cmd[1]= 0xCC; //configuration data
- cmd[2]= 0x01; //configuration data
- i2c.write(addr, cmd, 3);
- cmd[0] = 0x00; // data register
- i2c.write(addr, cmd, 1);
- wait_ms(100);
- i2c.read(addr, cmd, 2);
+ I2C_Bus.read(Light_I2C_Addr, I2C_Cmd, 2);
- exp= cmd[0]>>4;
- exp1= (cmd[0]-(exp<<4))*256+cmd[1];
- // pc.printf("exponent = 0x%x\n\r", exp);
- // pc.printf("fraction = %d\n\r", exp1);
- l=1;
- for(int r=0;r<exp;r++){l=l*2;};
- // pc.printf("value = %d\n\r", l);
- light_out= (exp1*l)/100;
- pc.printf("Lux = %.2f\n\r", light_out); // printing LUX value
- pc.printf("\n\r");
+ Temp_i_1= I2C_Cmd[0]>>4;
+ Temp_i_2= (I2C_Cmd[0]-(Temp_i_1<<4))*256+I2C_Cmd[1];
+
+ for(loop_count = 0,Temp_i_3 = 1 ; loop_count < Temp_i_1 ; Temp_i_3*=2,loop_count++);
+
+ Light_Out= (Temp_i_2 * Temp_i_3) / 100;
+
+ FRDM_UART_Debug.printf("Lux = %.2f\n\r", Light_Out);
+ wait_ms(100);
+
+ // Thermocouple
+
+ SPI_High_byte = 0;
+ SPI_Low_byte = 0;
+ Temp_f_1 = 0.00;
+ Temp_f_2 = 0.00;
+ Temp_i_1 = 0;
+ Temp_i_2 = 0;
+ Temp_i_3 = 0;
+ I2C_Cmd[0] = 0;
+ I2C_Cmd[1] = 0;
+ I2C_Cmd[2] = 0;
+ loop_count = 0;
+
+ Temp_f_1 = AN_Thermo.read_u16();
+
+ Temp_f_1 = (( Temp_f_1 / 65536 ) * 330);
+
+ Thermo_Out = Temp_f_1;
+
+ FRDM_UART_Debug.printf("Thermocouple volt diff = %.2f C\r\n",Thermo_Out);
wait_ms(100);
- pc.printf("Sending this information to thingspeak.com = %d\r\n",cnt);
- esp_send();
+ // Temp and Humidity
+
+ SPI_High_byte = 0;
+ SPI_Low_byte = 0;
+ Temp_f_1 = 0.00;
+ Temp_f_2 = 0.00;
+ Temp_i_1 = 0;
+ Temp_i_2 = 0;
+ Temp_i_3 = 0;
+ I2C_Cmd[0] = 0;
+ I2C_Cmd[1] = 0;
+ I2C_Cmd[2] = 0;
+ loop_count = 0;
+
+ Temp_i_1 = DHT_Temp_Hum.readData();
+ if (Temp_i_1 == 0) // Read success
+ {
+ Temp_f_1 = DHT_Temp_Hum.ReadTemperature(FARENHEIT);
+ Temp_f_2 = DHT_Temp_Hum.ReadHumidity();
+ }
+ else // Read failure
+ {
+ Temp_f_1 = 0;
+ Temp_f_2 = 0;
+ }
+
+ Temp_Out = Temp_f_1;
+ Hum_Out = Temp_f_2;
+
+ FRDM_UART_Debug.printf("Temperature = %4.2f F , Humidity = %4.2f \r\n",Temp_Out,Hum_Out);
+ wait_ms(100);
+
+ FRDM_UART_Debug.printf("Sending this information to thingspeak.com\r\n");
+ ESP_8266_TX_Data();
}
}
-void esp_initialize(void)
+void ESP_8266_Init(void)
{
- pc.printf("Initializing ESP\r\n");
+ FRDM_UART_Debug.printf("Initializing and Reset ESP\r\n");
- pc.printf("Reset ESP\r\n");
- esp.Reset(); //RESET ESP
- esp.RcvReply(rcv, 400); //receive a response from ESP
- //pc.printf(rcv); //Print the response onscreen
+ ESP_8266_UART.Reset(); //RESET ESP
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 400); //receive a response from ESP
+ //FRDM_UART_Debug.printf(ESP_8266_CMD_Recv); //Print the response onscreen
wait(2);
- strcpy(snd,"AT");
- esp.SendCMD(snd);
- pc.printf(snd);
+ strcpy(ESP_8266_CMD_Send,"AT");
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Send);
//wait(2);
- esp.RcvReply(rcv, 400);
- pc.printf(rcv);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 400);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Recv);
wait(0.1);
- strcpy(snd,"AT+CWMODE=1");
- esp.SendCMD(snd);
- pc.printf(snd);
+ strcpy(ESP_8266_CMD_Send,"AT+CWMODE=1");
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Send);
wait(2);
-
- strcpy(snd,"AT+CWJAP=\"");
- strcat(snd,WIFI_SSID);
- strcat(snd,"\",\"");
- strcat(snd,WIFI_PASS);
- strcat(snd,"\"");
+
+ if(!strcmp(ESP_8266_CMD_Recv,"WIFI CONNECTED"))
+ {
+ strcpy(ESP_8266_CMD_Send,"AT+CWJAP=\"");
+ strcat(ESP_8266_CMD_Send,WIFI_SSID);
+ strcat(ESP_8266_CMD_Send,"\",\"");
+ strcat(ESP_8266_CMD_Send,WIFI_PASS);
+ strcat(ESP_8266_CMD_Send,"\"");
- esp.SendCMD(snd);
- pc.printf(snd);
- wait(5);
- esp.RcvReply(rcv, 400);
- pc.printf("\n %s \n", rcv);
-
- strcpy(snd,"AT+CIPMUX=0");
- esp.SendCMD(snd);
- pc.printf(snd);
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Send);
+ wait(5);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 400);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Recv);
+ }
+ else
+ FRDM_UART_Debug.printf("Wifi was preconfigured\r\n");
+
+ strcpy(ESP_8266_CMD_Send,"AT+CIPMUX=0");
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Send);
//wait(2);
- esp.RcvReply(rcv, 400);
- pc.printf("\n %s \n", rcv);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 400);
+ FRDM_UART_Debug.printf(ESP_8266_CMD_Recv);
}
-void esp_send(void)
+void ESP_8266_TX_Data(void)
{
//ESP updates the Status of Thingspeak channel//
- strcpy(snd,"AT+CIPSTART=");
- strcat(snd,"\"TCP\",\"");
- strcat(snd,IP);
- strcat(snd,"\",80");
+ strcpy(ESP_8266_CMD_Send,"AT+CIPSTART=");
+ strcat(ESP_8266_CMD_Send,"\"TCP\",\"");
+ strcat(ESP_8266_CMD_Send,IP);
+ strcat(ESP_8266_CMD_Send,"\",80");
- esp.SendCMD(snd);
- pc.printf("S\r\n%s",snd);
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send);
+ FRDM_UART_Debug.printf("S\r\n%s",ESP_8266_CMD_Send);
//wait(2);
- esp.RcvReply(rcv, 1000);
- pc.printf("R\r\n%s",rcv);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 1000);
+ FRDM_UART_Debug.printf("R\r\n%s",ESP_8266_CMD_Recv);
wait(1);
- sprintf(snd,"GET https://api.thingspeak.com/update?key=45IE5JPN8ZIK2W2M&field1=%f&field2=%f&field3=%f\r\n",ammeter_out,voltmeter_out,light_out);
+ /*
+ float Amm_Out = 0;
+ float Volt_Out = 0;
+ float Light_Out = 0;
+ float Thermo_Out = 0;
+ float Temp_Out = 0;
+ float Hum_Out = 0;
+ int Motion_Out = 0;
+ */
+ sprintf(ESP_8266_CMD_Send,"GET https://api.thingspeak.com/update?key=JJAOBK32WOINKT00&field1=%d&field2=%d&field3=%f&field4=%f&field5=%f&field6=%f&field7=%f&field8=%f\r\n"
+ ,Motion_Out,Finger_Out,Amm_Out,Volt_Out,Light_Out,Thermo_Out,Temp_Out,Hum_Out);
int i=0;
- for(i=0;snd[i]!='\0';i++);
+ for(i=0;ESP_8266_CMD_Send[i]!='\0';i++);
i++;
char cmd[255];
sprintf(cmd,"AT+CIPSEND=%d",i); //Send Number of open connection and Characters to send
- esp.SendCMD(cmd);
- pc.printf("S\r\n%s",cmd);
- while(i<=20 || rcv == ">")
+ ESP_8266_UART.SendCMD(cmd);
+ FRDM_UART_Debug.printf("S\r\n%s",cmd);
+ while(i<=20 || ESP_8266_CMD_Recv == ">")
{
- esp.RcvReply(rcv, 1000);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 1000);
wait(100);
i++;
}
- pc.printf("R\r\n%s",rcv);
+ FRDM_UART_Debug.printf("R\r\n%s",ESP_8266_CMD_Recv);
- esp.SendCMD(snd); //Post value to thingspeak channel
- pc.printf("S\r\n%s",snd);
+ ESP_8266_UART.SendCMD(ESP_8266_CMD_Send); //Post value to thingspeak channel
+ FRDM_UART_Debug.printf("S\r\n%s",ESP_8266_CMD_Send);
- while(i<=20 || rcv == "OK")
+ while(i<=20 || ESP_8266_CMD_Recv == "OK")
{
- esp.RcvReply(rcv, 1000);
+ ESP_8266_UART.RcvReply(ESP_8266_CMD_Recv, 1000);
wait(100);
i++;
}
- pc.printf("R\r\n%s",rcv);
+ FRDM_UART_Debug.printf("R\r\n%s",ESP_8266_CMD_Recv);
}