I have a code I am wanting to run on a standalone atmega328 to sense the speed of a shaft and, if it has stopped/slowed to a set rpm it will flash an LED and play a sound. It worked fine on the uno, but when I went to test it on the standalone atmega328, it starts up then freezes or starts then resets. I will attach my code and a link to the standalone kit I purchased. I am
#include <PCM.h>
#include <Wire.h>
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
#define OLED_RESET -1
#define SCREEN_ADDRESS 0x3C
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);
const int hallSensorPin = 2; //Set sensor to pin 2
const int ledPin = 13; //Set LedSilence to pin 13
const int buttonSilencePin = 7; //Set Silence button to pin 7
const int buttonDecreaseThresholdPin = 4; //Set increase Threshold to pin 4
const int buttonIncreaseThresholdPin = 12; //Set decrease threshold to pin 12
int buttonstate4; //Declare integer
int buttonstate12; //Declare integer
int SilenceLED = 10; //Declare integer for SilencingLED indicator
int threshold = 50; //Declare integer
volatile unsigned long lastTime = 0;
volatile unsigned long lastPulseTime = 0;
volatile unsigned long lastSpeedCheckTime = 0;
volatile unsigned int pulseCount = 0;
volatile float rpm = 0;
bool soundEnabled = true;
bool buttonSilenceState = false;
bool silencePressed = false;
bool silenced = false;
bool lastButtonSilenceReleased = false;
bool unsilencePressed = false;
bool displaySilencedMessage = false;
bool lastButtonSilenceState = false;
bool silenceToggle = false; // To toggle between silencing and unsilencing
bool buttonDecreaseState = false;
bool lastButtonDecreaseState = false;
bool buttonIncreaseState = false;
bool lastButtonIncreaseState = false;
bool thresholdChanged = false;
unsigned long thresholdChangedTime = 0;
unsigned long silencedDisplayTime = 500;
unsigned long lastButtonPressTime = 0;
const unsigned long buttonPressWindow = 200;
unsigned long lastPlaybackTime = 0;
const unsigned long playbackDelay = 1500; // 1.5 seconds delay
unsigned long lastToggleTime = 0; // To keep track of when to switch back to RPM display
// 'Beet', 128x32px
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 32
#define OLED_RESET -1
#define SCROLL_SPEED 1 // Adjust the scroll speed (1 for slow, increase for faster)
// Change this I2C address to match your OLED display's address (common addresses are 0x3C or 0x3D)
#define OLED_I2C_ADDRESS 0x3C
// Hex data for the Sugar Beet
const unsigned char epd_bitmap_Beet[] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf1, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x91, 0xec, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xae, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaf, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xef, 0xe8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x3f, 0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x37, 0x8c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x65, 0xce, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7f, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xbe, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xfe, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x78, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x7f, 0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xe7, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x27, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x8b, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x43, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x41, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xe5, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x72, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x9a, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x41, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x87, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
//Array for the warning sound
const unsigned char sample[] PROGMEM = {
129, 128, 127, 129, 129, 128, 128, 129, 128, 128, 127, 127, 126, 125, 127, 127, 126, 127, 126, 127, 128, 128, 127, 128, 128, 128, 128, 128, 128, 127, 127, 128, 128, 127, 127, 130, 130, 128, 129, 127, 126, 127, 125, 123, 125, 126, 128, 130, 128, 127, 127, 128, 128, 126, 127, 126, 126, 127, 127, 127, 128, 128, 128, 129, 129, 128, 128, 129, 131, 130, 128, 126, 124, 125, 125, 126, 127, 127, 127, 124, 124, 129, 129, 127, 131, 134, 130, 127, 129, 130, 128, 122, 119, 128, 133, 130, 129, 130, 131, 131, 128, 126, 126, 124, 123, 126, 127, 122, 121, 129, 134, 131, 127, 129, 133, 130, 130, 132, 128, 127, 130, 128, 125, 127, 131, 132, 129, 126, 125, 128, 125, 119, 126, 132, 124, 122, 127, 124, 120, 126, 130, 126, 125, 129, 127, 123, 128, 131, 130, 130, 129, 127, 127, 130, 129, 126, 128, 133, 133, 126, 122, 130, 137, 131, 123, 126, 134, 131, 128, 130, 124, 121, 126, 126, 119, 116, 128, 138, 127, 120, 130, 136, 129, 118, 123, 133, 130, 123, 125, 129, 129, 132, 133, 127, 126, 132, 131, 125, 125, 129, 130, 128, 126, 124, 124, 129, 127, 121, 126, 133, 131, 126, 128, 133, 129, 123, 125, 130, 129, 125, 130, 138, 131, 122, 127, 132, 126, 116, 120, 136, 134, 120, 123, 131, 130, 124, 122, 127, 130, 128, 128, 128, 130, 130, 130, 131, 129, 125, 124, 129, 135, 133, 128, 127, 131, 129, 120, 116, 125, 132, 125, 120, 126, 127, 125, 125, 126, 127, 127, 127, 126, 126, 131, 130, 127, 128, 129, 128, 128, 132, 132, 128, 130, 137, 137, 125, 122, 135, 136, 120, 116, 128, 129, 116, 116, 129, 127, 118, 125, 133, 128, 124, 130, 132, 122, 122, 133, 133, 123, 124, 135, 139, 131, 126, 132, 134, 131, 131, 130, 125, 126, 131, 127, 123, 123, 124, 124, 127, 131, 129, 125, 129, 132, 124, 118, 125, 132, 126, 118, 121, 130, 129, 125, 128, 130, 126, 128, 130, 125, 121, 129, 135, 127, 120, 128, 135, 125, 119, 130, 135, 126, 122, 132, 136, 129, 121, 126, 133, 130, 126, 127, 125, 127, 134, 130, 123, 127, 130, 132, 130, 123, 124, 133, 131, 128, 127, 124, 123, 123, 121, 122, 124, 125, 126, 128, 130, 134, 134, 130, 130, 132, 131, 126, 126, 134, 133, 128, 133, 133, 128, 128, 127, 124, 126, 123, 119, 122, 125, 123, 120, 118, 121, 128, 128, 126, 128, 132, 133, 135, 134, 129, 126, 124, 127, 133, 130, 126, 129, 134, 128, 116, 119, 133, 134, 120, 119, 130, 132, 126, 123, 126, 131, 131, 127, 126, 130, 135, 136, 134, 131, 129, 132, 130, 122, 122, 128, 129, 124, 124, 126, 126, 125, 127, 127, 125, 126, 127, 127, 126, 127, 131, 133, 128, 127, 129, 129, 128, 125, 125, 127, 127, 126, 125, 119, 118, 128, 132, 125, 122, 128, 133, 129, 122, 123, 127, 131, 132, 128, 127, 131, 130, 125, 126, 128, 126, 124, 124, 124, 128, 133, 131, 132, 134, 132, 130, 130, 132, 130, 127, 132, 133, 130, 131, 129, 127, 127, 123, 123, 126, 124, 121, 123, 124, 120, 120, 121, 118, 122, 128, 128, 131, 135, 134, 135, 138, 135, 128, 125, 129, 135, 130, 130, 138, 136, 128, 123, 121, 126, 126, 120, 123, 128, 125, 119, 120, 124, 125, 125, 125, 128, 132, 133, 130, 131, 140, 139, 129, 123, 126, 131, 130, 127, 132, 133, 123, 118, 120, 121, 123, 126, 124, 124, 126, 125, 126, 127, 127, 126, 125, 128, 130, 129, 128, 130, 134, 134, 131, 127, 125, 128, 129, 128, 128, 127, 127, 130, 131, 128, 128, 130, 129, 124, 123, 128, 123, 119, 124, 126, 121, 120, 127, 127, 118, 119, 127, 128, 126, 132, 135, 130, 132, 138, 136, 128, 130, 140, 140, 127, 124, 135, 137, 125, 121, 124, 121, 116, 115, 120, 122, 118, 121, 127, 126, 124, 130, 137, 131, 124, 129, 140, 140, 127, 127, 142, 141, 124, 119, 134, 139, 127, 121, 127, 129, 124, 122, 126, 129, 123, 117, 124, 131, 125, 119, 127, 135, 127, 117, 123, 139, 136, 120, 124, 143, 141, 121, 119, 134, 133, 121, 123, 133, 132, 122, 123, 129, 127, 124, 125, 128, 126, 125, 124, 125, 130, 134, 129, 124, 127, 133, 130, 126, 128, 131, 128, 126, 129, 130, 127, 125, 128, 130, 127, 122, 122, 126, 131, 131, 129, 127, 124, 125, 127, 123, 120, 124, 126, 128, 128, 124, 125, 131, 132, 128, 125, 130, 134, 136, 136, 132, 129, 132, 133, 128, 128, 129, 126, 122, 123, 126, 120, 114, 119, 127, 126, 118, 117, 127, 129, 125, 126, 128, 130, 133, 134, 134, 133, 132, 132, 134, 134, 132, 135, 133, 124, 124, 130, 130, 124, 122, 125, 125, 122, 128, 133, 127, 122, 126, 131, 128, 128, 131, 129, 126, 130, 136, 132, 125, 126, 131, 129, 121, 119, 122, 122, 122, 123, 122, 122, 125, 127, 128, 127, 127, 132, 134, 128, 125, 126, 126, 130, 130, 122, 119, 127, 135, 131, 128, 131, 132, 130, 127, 126, 130, 134, 136, 131, 125, 128, 131, 126, 122, 127, 133, 128, 120, 122, 128, 121, 110, 114, 125, 124, 116, 121, 132, 130, 125, 130, 132, 128, 130, 136, 140, 137, 135, 140, 142, 134, 132, 139, 135, 125, 126, 128, 124, 122, 116, 116, 121, 116, 118, 125, 123, 124, 131, 131, 128, 128, 128, 131, 133, 129, 128, 129, 132, 132, 123, 120, 126, 125, 121, 121, 121, 124, 124, 125, 127, 130, 132, 131, 133, 136, 132, 130, 136, 133, 127, 127, 125, 130, 134, 125, 123, 125, 122, 125, 128, 125, 124, 129, 132, 127, 126, 125, 125, 128, 128, 129, 133, 129, 128, 130, 127, 126, 125, 122, 126, 125, 116, 124, 132, 125, 127, 132, 129, 126, 123, 128, 132, 129, 129, 135, 134, 129, 134, 135, 123, 124, 133, 127, 121, 125, 121, 117, 121, 126, 128, 125, 119, 127, 137, 132, 126, 128, 128, 129, 129, 128, 133, 133, 129, 132, 132, 128, 126, 126, 129, 132, 130, 121, 122, 130, 126, 123, 126, 124, 124, 124, 128, 132, 128, 129, 134, 132, 128, 126, 129, 131, 126, 125, 127, 126, 126, 125, 126, 127, 126, 125, 128, 129, 127, 125, 128, 133, 127, 120, 125, 129, 128, 129, 129, 132, 136, 133, 126, 127, 130, 125, 120, 124, 122, 120, 126, 131, 133, 129, 123, 134, 141, 125, 119, 125, 126, 127, 125, 120, 123, 130, 130, 126, 124, 124, 129, 130, 129, 132, 133, 129, 128, 130, 128, 126, 127, 128, 132, 135, 130, 132, 133, 126, 126, 127, 124, 124, 124, 124, 126, 126, 126, 127, 126, 123, 124, 128, 128, 127, 127, 127, 129, 129, 127, 124, 120, 129, 139, 135, 130, 129, 133, 136, 128, 122, 123, 129, 130, 125, 121, 119, 122, 129, 131, 124, 120, 124, 129, 130, 127, 122, 124, 128, 126, 128, 130, 128, 134, 137, 129, 127, 129, 130, 130, 129, 127, 123, 122, 128, 131, 122, 117, 125, 129, 126, 122, 124, 138, 141, 127, 125, 131, 132, 130, 126, 127, 133, 133, 130, 132, 128, 125, 128, 127, 124, 129, 136, 130, 123, 131, 135, 125, 116, 121, 125, 121, 118, 121, 128, 132, 128, 125, 125, 124, 125, 126, 124, 124, 125, 124, 127, 133, 134, 128, 128, 133, 133, 132, 133, 128, 125, 128, 129, 126, 124, 128, 131, 128, 121, 118, 121, 124, 126, 125, 126, 128, 132, 133, 130, 130, 132, 132, 129, 127, 128, 134, 141, 134, 122, 128, 136, 128, 114, 115, 127, 131, 126, 123, 125, 129, 126, 120, 120, 120, 124, 131, 131, 127, 133, 132, 123, 126, 133, 130, 128, 128, 133, 135, 129, 125, 127, 129, 131, 127, 126, 127, 118, 124, 144, 136, 118, 120, 129, 131, 125, 127, 128, 126, 137, 140, 122, 115, 127, 132, 127, 125, 127, 127, 126, 127, 126, 138, 155, 129, 73, 73, 135, 167, 140, 116, 130, 145, 125, 115, 151, 169, 149, 137, 129, 121, 118, 119, 115, 94, 98, 128, 120, 92, 112, 167, 171, 119, 137, 209, 179, 114, 138, 162, 123, 92, 109, 119, 77, 65, 116, 106, 49, 83, 150, 131, 97, 145, 191, 152, 133, 192, 202, 140, 137, 175, 144, 86, 101, 131, 96, 70, 108, 115, 69, 76, 128, 116, 77, 127, 193, 156, 115, 174, 223, 170, 129, 167, 173, 109, 88, 125, 113, 74, 92, 110, 78, 72, 117, 126, 83, 93, 167, 181, 129, 137, 200, 197, 140, 141, 170, 139, 94, 110, 129, 94, 84, 123, 115, 74, 96, 144, 123, 76, 115, 186, 169, 124, 159, 207, 177, 134, 154, 166, 117, 89, 118, 118, 83, 88, 106, 87, 74, 104, 124, 95, 91, 152, 184, 150, 142, 192, 205, 152, 135, 166, 151, 102, 105, 126, 104, 85, 98, 99, 78, 84, 123, 120, 85, 118, 181, 169, 133, 163, 207, 173, 129, 153, 165, 115, 93, 124, 117, 80, 90, 111, 90, 71, 103, 136, 106, 90, 151, 186, 148, 136, 187, 201, 148, 133, 167, 144, 91, 106, 137, 104, 75, 107, 120, 81, 71, 115, 126, 88, 109, 179, 176, 129, 154, 211, 186, 129, 152, 178, 125, 87, 122, 130, 91, 92, 115, 96, 72, 98, 129, 103, 87, 147, 183, 140, 126, 185, 207, 150, 128, 169, 159, 105, 109, 129, 97, 76, 102, 100, 62, 70, 124, 124, 80, 106, 175, 169, 125, 155, 212, 187, 138, 154, 172, 135, 107, 124, 121, 89, 95, 118, 93, 71, 106, 136, 103, 83, 139, 179, 143, 121, 175, 209, 158, 128, 163, 160, 109, 105, 129, 108, 82, 103, 114, 79, 70, 116, 132, 88, 91, 161, 179, 128, 134, 205, 201, 135, 140, 176, 140, 101, 119, 124, 96, 96, 115, 96, 69, 98, 136, 104, 72, 125, 177, 142, 112, 172, 210, 151, 125, 173, 160, 101, 110, 144, 120, 93, 112, 117, 77, 70, 124, 134, 83, 90, 159, 173, 124, 130, 196, 189, 130, 139, 167, 125, 94, 126, 132, 102, 105, 123, 99, 70, 101, 143, 113, 81, 130, 182, 151, 112, 160, 212, 163, 122, 159, 158, 106, 102, 135, 125, 93, 99, 110, 87, 81, 117, 131, 97, 99, 157, 179, 137, 125, 184, 194, 136, 133, 164, 131, 96, 119, 126, 96, 90, 109, 101, 78, 95, 134, 118, 87, 127, 183, 170, 130, 158, 203, 165, 121, 149, 153, 104, 97, 127, 118, 91, 94, 108, 98, 92, 122, 133, 101, 104, 161, 183, 147, 138, 189, 192, 130, 131, 161, 121, 86, 115, 131, 98, 82, 104, 107, 82, 53, 65, 167, 217, 115, 53, 153, 249, 219, 186, 186, 122, 74, 87, 72, 62, 93, 125, 123, 105, 126, 148, 139, 167, 182, 123, 94, 114, 94, 71, 124, 191, 177, 154, 172, 143, 71, 58, 104, 127, 98, 109, 182, 204, 195, 202, 157, 100, 73, 59, 68, 75, 103, 168, 194, 182, 168, 163, 152, 104, 70, 62, 55, 81, 124, 151, 175, 191, 192, 174, 131, 89, 65, 60, 82, 111, 139, 174, 194, 199, 192, 147, 100, 76, 46, 36, 77, 129, 168, 196, 206, 196, 154, 106, 78, 43, 24, 54, 110, 164, 192, 206, 216, 191, 137, 89, 59, 41, 43, 81, 137, 178, 205, 210, 184, 148, 115, 81, 53, 44, 67, 116, 156, 185, 208, 204, 171, 127, 88, 68, 49, 50, 87, 134, 179, 207, 202, 184, 155, 113, 81, 65, 55, 70, 113, 157, 185, 198, 199, 174, 130, 100, 78, 53, 54, 95, 149, 174, 181, 188, 177, 145, 107, 84, 66, 50, 70, 118, 166, 201, 203, 189, 166, 125, 96, 77, 50, 59, 104, 147, 175, 184, 192, 180, 136, 106, 86, 55, 37, 64, 119, 155, 174, 189, 193, 173, 129, 103, 77, 53, 77, 122, 154, 172, 182, 180, 159, 133, 104, 81, 77, 78, 92, 126, 158, 169, 172, 173, 152, 115, 91, 70, 67, 105, 142, 159, 174, 179, 175, 149, 110, 99, 84, 55, 67, 115, 163, 177, 178, 178, 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// Array of all bitmaps for convenience. (Total bytes used to store images in PROGMEM = 528)
const int epd_bitmap_allArray_LEN = 1;
const unsigned char* epd_bitmap_allArray[1] = {
epd_bitmap_Beet
};
enum DisplayMode {
RPM, //Sets display modes to RPM and THRESHOLD options
THRESHOLD
};
DisplayMode currentDisplayMode = RPM; //Sets current display mode
unsigned long displayChangeTime = 0; //Sets time to change display
const unsigned long displayChangeDuration = 1000; //Sets time to change between displays
void hallSensorInterrupt() //Counts pulses of hall sensor
{
pulseCount++;
}
void setup()
{
pinMode(hallSensorPin, INPUT_PULLUP); //Setup pin as input
pinMode(ledPin, OUTPUT); //Setup pin as Output
pinMode(buttonSilencePin, INPUT_PULLUP); //Setup pin as input
pinMode(buttonDecreaseThresholdPin, INPUT_PULLUP); //Setup pin as input
pinMode(buttonIncreaseThresholdPin, INPUT_PULLUP); //Setup pin as input
pinMode(SilenceLED, OUTPUT); //Setup pin as Output
attachInterrupt(digitalPinToInterrupt(hallSensorPin), hallSensorInterrupt, FALLING);
Serial.begin(9600); //Allow for serial data debugging
if (!display.begin(0x3C)) //Initialize the display
{
Serial.println(F("SSD1306 allocation failed"));
for (;;)
;
}
display.display();
delay(2000); // Show the Beet image for 2 seconds
display.clearDisplay(); // Clear the display before scrolling
display.display(); // Display the cleared display
for (int16_t x = -SCREEN_WIDTH; x < SCREEN_WIDTH; x++) { // Start scrolling the image
display.clearDisplay();
display.drawBitmap(x, 0, epd_bitmap_Beet, 128, 32, SSD1306_WHITE);
display.display();
delay(SCROLL_SPEED);
}
display.stopscroll(); // Stop scrolling and clear the display
display.clearDisplay(); // Clear Display
display.display(); // Show cleared display
display.display();
display.setTextColor(SSD1306_WHITE); // Set text to white
display.setTextSize(3.5); // Increase text size 3.5X
display.setCursor(0, 0); // Reset Starting Point
display.println("WD 1222"); // Write out the words
display.display(); // Display the text
delay(2000); // Wait for 2 seconds
display.clearDisplay(); // Clear the display
delay(1000); // Wait for 1 second
currentDisplayMode = RPM; // Set display to RPM mode
displayChangeTime = millis();
}
void loop()
{
unsigned long currentTime = millis();
unsigned long timeElapsed = currentTime - lastSpeedCheckTime;
if (pulseCount >= 1) // Check if shaft has moved
{
rpm = (float)pulseCount * (60000.0 / (float)timeElapsed); // RPM Calculation
pulseCount = 0; // Reset pulsecount for next reading
lastSpeedCheckTime = currentTime; // Reset time between revolutions
lastPulseTime= currentTime; // Reset time between pulses
display.clearDisplay(); // Clear rpm value
display.setCursor(0, 0); // Reset Cursor
switch (currentDisplayMode) { // Changing of display modes
case RPM:
display.setTextSize(3.5); // Set text to 3.5x size
display.println(rpm); // Display rpm value
break;
case THRESHOLD:
display.setTextSize(2); // Set text to 2x size
display.println("Threshold: " + String(threshold)); // Display the changed threshold
break;
}
display.display();
}
if (currentTime - lastPulseTime >= 1500) // Test if no pulses within 1.5 seconds
{
rpm = 0; // Set RPM to 0
// Update the display with RPM 0
display.clearDisplay(); // Clear Display
display.setCursor(0, 0); // Reset Cursor
display.setTextSize(3.5); // Set text to 3.5x size
display.println(rpm); // Display rpm
display.display(); // Display previous
}
buttonSilenceState = digitalRead(buttonSilencePin); // Check state of silence button
if (buttonSilenceState != lastButtonSilenceState) // Check if silence button has been pressed
{
if (buttonSilenceState == LOW && (currentTime - lastButtonPressTime >= buttonPressWindow)) //Check if it has been pressed between now and previous
{
soundEnabled = !soundEnabled; // Toggle sound variable
silencePressed = !silencePressed; // Toggle button variable
lastButtonPressTime = currentTime; // Reset time
if (silencePressed) { // Check if it has been pressed
silenced = !silenced; // Change silence variable
silencedDisplayTime = currentTime; // Reset display time
lastToggleTime = currentTime; // Reset toggle timer
if (silenced) {
display.clearDisplay(); // Clear Display
display.setTextSize(2); // Set text to 2x size
display.setCursor(0, 0); // Reset cursor
display.println("Silenced"); // Display message on OLED
display.display(); // Send message to screen
digitalWrite(SilenceLED, HIGH);
delay(500); // Wait .5 seconds
displaySilencedMessage = true; // Change message indicating message was sent
} else {
displaySilencedMessage = false; // Indicate no message was sent
}
}
}
lastButtonSilenceState = buttonSilenceState; // Change Button state
}
if (displaySilencedMessage && (currentTime - silencedDisplayTime >= 2000)) { // Check if message has been sent and if it has been longer than 2 seconds
silenced = false; // Set silenced value to false
displaySilencedMessage = false; // Do not display silence message
lastToggleTime = currentTime; // Reset the toggle timer
}
if (silenced) {
digitalWrite(ledPin, LOW); // Turn Led off
} else {
if (currentTime - lastToggleTime >= 2000) { // Check if hall sensor has been activated in last 2 seconds
currentDisplayMode = RPM; // Set display to RPM function
}
if (rpm <= threshold && soundEnabled) { // Check if rpm is below threshold and sound is enabled
if (currentTime - lastPlaybackTime >= playbackDelay) { // Check if enough time has passed to play sound
digitalWrite(ledPin, HIGH); // Turn on Led
startPlayback(sample, sizeof(sample)); // Start Playing sound
lastPlaybackTime = currentTime; // Update the last playback time
digitalWrite(SilenceLED, LOW);
}
} else {
digitalWrite(ledPin, LOW); // Turn off Led
stopPlayback(); // Stop playing sound
}
}
buttonstate4 = digitalRead(buttonDecreaseThresholdPin); // Read decrease button value
if (buttonstate4 == LOW) // Check if button was pressed
{
threshold -= 5; // Subtract 5 from threshold
display.clearDisplay(); // Clear Display
display.setCursor(0, 0); // Reset Cursor
display.setTextSize(2); // Change text to 2x size
display.println("Threshold: " + String(threshold)); // Print Threshold and new value
display.display(); // Send the text to display
delay(250); // Wait .25 seconds
display.clearDisplay(); // Clear the Display
lastToggleTime = currentTime; // Reset the toggle timer
}
buttonstate12 = digitalRead(buttonIncreaseThresholdPin); // Read increase button value
if (buttonstate12 == LOW) // Check if button was pressed
{
threshold += 5; // Add 5 to threshold
display.clearDisplay(); // Clear the display
display.setCursor(0, 0); // Reset Cursor
display.setTextSize(2); // Set text size to 2x size
display.println("Threshold: " + String(threshold)); // Print Threshold and new value
display.display(); // Send the text to display
delay(250); // Wait .25 seconds
display.clearDisplay(); // Clear the display
lastToggleTime = currentTime; // Reset the toggle timer
}
}
