// Here's my code please let me know tge changes
#include <SPI.h>
#include<ESP8266WiFi.h>
#include <PubSubClient.h>
//ADXL345
#define SCLpin D5//GPIO 14 Serial clock pin
#define SDOpin D6//GPIO 12 MISO pin
#define SDApin D7//GPIO 13 MOSI pin
#define SSpin D8//GPIO 15 CHip Select
//Nodemcu pin 3.3 -----> pin VCC ADXL345
//Nodemcu pin GND -----> pin GND ADXL345
char BW_RATE = 0x2C; // Data Rate and power mode control
char POWER_CTL=0x2D; // Power Control Register
char DATA_FORMAT=0x31; // Data Format Register
char DATAX0=0x32;
char DATAX1=0x33;
char DATAY0=0x34;
char DATAY1=0x35;
char DATAZ0=0x36;
char DATAZ1=0x37;
int16_t X_Data, Y_Data, Z_Data;
const char* ssid = "Senpronics";
const char* password = "Senpronics@123";
const char* mqtt_server = "broker.mqtt-dashboard.com";
//const char* mqtt_server = "192.168.0.17";
char str[10];
long lastMsg=0;
byte TO_READ = 6;
WiFiClient espClient;
PubSubClient client(espClient);
void setup_wifi()
{
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
randomSeed(micros());
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
}
void reconnect()
{
while (!client.connected())
{
Serial.print("Attempting MQTT connection...");
String clientId = "ESP8266Client-";
clientId += String(random(0xffff), HEX);
if (client.connect(clientId.c_str()))
{
Serial.println("connected");
client.publish("outTopic", "My First MQTT Code");
client.subscribe("Welcome ESP8266");
}
else
{
Serial.print("failed, rc=");
Serial.print(client.state());
Serial.println(" try again in 5 seconds");
delay(5000);
}
}
}
void setup()
{
Serial.begin(115200);
SPI.begin();
SPI.beginTransaction(SPISettings(5000000,MSBFIRST,SPI_MODE3));
setup_wifi();
client.setServer(mqtt_server, 1883);
pinMode(SS, OUTPUT);
digitalWrite(SS, HIGH);
//pinMode(togglepin,OUTPUT);
writeRegister(POWER_CTL, 0x00);// Configured in Stand By Mode
writeRegister(POWER_CTL, 0x08); // Configured in Measurement Mode
// writeRegister(DATA_FORMAT, 0x03); // ±16g 10bit
writeRegister(DATA_FORMAT, 0x0B); // ±16g 10bit, 4mg/LSB.
// writeRegister(BW_RATE, 0x0F); // Baud Rate Register configuration. 3200 Hz
writeRegister(BW_RATE, 0x0C);
}
void loop()
{
if (!client.connected())
{
reconnect();
}
long now = micros();
if (now - lastMsg > 1)
{
lastMsg = now;
read_345();
client.publish("ADXL_345",str);
}
client.loop();
}
void read_345()
{
// DATAX0
readRegister(DATAX0, TO_READ, str);
X_Data= ((int16_t)str[1] << 8) | (int16_t)str[0];
Y_Data= ((int16_t)str[3] << 8) | (int16_t)str[2];
Z_Data= ((int16_t)str[5] << 8) | (int16_t)str[4];
sprintf(str,"%d %d %d",X_Data,Y_Data,Z_Data);
Serial.println(str);
}
void writeRegister(char registerAddress, char value)
{
digitalWrite(SS, LOW);
SPI.transfer(registerAddress);
SPI.transfer(value);
digitalWrite(SS, HIGH);
SPI.endTransaction();
}
void readRegister(char registerAddress, int16_t numBytes,char * str)
{
char address = (0x80 | registerAddress);
if (numBytes > 1)address = address | 0x40;
digitalWrite(SS, LOW);
SPI.transfer(address);
for (int16_t i = 0; i < numBytes; i++)
{
str = SPI.transfer(0x00);
-
}*
-
digitalWrite(SS, HIGH);*
-
SPI.endTransaction();*
}