Skip to content

Added I2C connectivity #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ei-ke wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Added I2C connectivity #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 20 additions & 3 deletions Geiger-Counter-Shield.ino
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ The commercial usage is restricted.
#include <SPI.h>
#include <SD.h>
#include <EEPROM.h>
#include <Wire.h>

// ------------------------------------- Defines --------------------------------------//

Expand All @@ -43,7 +44,10 @@ The commercial usage is restricted.
#define CS 3 // Set chip select pin for SD card

#define SERIAL_LOGGER true


#define I2C_BUS true // Enable reading data from this device via I2C
const int I2C_ADDR = 0x42; // I2C Address for this device. SDA=PIN20, SCL=PIN21

//---------------------------------- Global variables ---------------------------------//

LiquidCrystal lcd(9, 8, 7, 6, 5, 4);
Expand All @@ -69,7 +73,7 @@ int n = 0; // Counter for array
static float doseRate; // Variable for the dose rate

int pwm = PWM_INIT;
int adc_val = 0; // Variable to store HV reading
int adc_val = 0; // Variable to store HV reading

unsigned long t = 0; // Counters for timing
unsigned long timer1 = 0;
Expand Down Expand Up @@ -104,6 +108,13 @@ void setup()
digitalWrite(BUTTON2, HIGH);


// Configure I2C bus
#if (I2C_BUS)
Wire.begin(I2C_ADDR);
Wire.onRequest(I2CRequestEvent);
#endif


// Start LCD display
lcd.begin(16, 2);
lcd.setCursor(0, 0);
Expand Down Expand Up @@ -398,7 +409,13 @@ void getDisplayStatus()
}
}

//-------------------------- Reply to I2C request -------------------------------------//
void I2CRequestEvent()
{
Wire.write(cpm);
}

/////////////////////////////////////////////////////////////////////////////////////////
// SUB PROCEDURES END //
/////////////////////////////////////////////////////////////////////////////////////////