upd

Author: fel88

ArduinoBook/ArduinoBook.ino

@@ -0,0 +1,202 @@
+//#define OLED_ENABLED
+#define SERIAL_ENABLED
+
+#include <Wire.h>
+
+#ifdef OLED_ENABLED
+#include <U8g2lib.h>
+#endif
+
+#include <INA219_WE.h>
+#include <Arduino.h>
+
+
+#include <avr/sleep.h>
+#include <avr/power.h>
+#include <avr/wdt.h>
+
+#define I2C_ADDRESS 0x40
+
+float loadVoltage_V = 0.0;
+
+
+#ifdef OLED_ENABLED
+U8G2_SSD1306_128X32_UNIVISION_F_HW_I2C u8g2(U8G2_R0, /* clock=*/SCL, /* data=*/SDA, /* reset=*/U8X8_PIN_NONE);  // All Boards without Reset of the Display
+#endif
+
+
+
+
+
+INA219_WE ina219 = INA219_WE(I2C_ADDRESS);
+// the setup function runs once when you press reset or power the board
+void setup() {
+#ifdef SERIAL_ENABLED
+  Serial.begin(115200);
+
+  while (!Serial) {
+    ;  // wait for serial port to connect. Needed for native USB port only
+  }
+#endif
+
+  delay(1000);
+  Wire.begin();
+
+#ifndef SERIAL_ENABLED
+  CLKPR = 0x80;
+  CLKPR = 0x01;
+#endif
+  //ADCSRA = 0;
+  // prints title with ending line break
+#ifdef SERIAL_ENABLED
+  Serial.println("started");
+  //return;
+  delay(1000);
+#endif
+
+  //ADCSRA = 0;
+  ADCSRA &= ~(1 << ADEN);
+  // initialize digital pin LED_BUILTIN as an output.
+  //pinMode(LED_BUILTIN, OUTPUT);
+
+  pinMode(5, OUTPUT);
+  digitalWrite(5, HIGH);
+  if (!ina219.init()) {
+#ifdef SERIAL_ENABLED
+    Serial.println("INA219 not connected!");
+    delay(1000);
+#endif
+
+    set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+    sleep_mode();
+  }
+#ifdef SERIAL_ENABLED
+  Serial.println("INA219  connected!");
+  delay(1000);
+#endif
+
+  float shuntVoltage_mV = 0.0;
+
+  float busVoltage_V = 0.0;
+
+
+
+  shuntVoltage_mV = ina219.getShuntVoltage_mV();
+  busVoltage_V = ina219.getBusVoltage_V();
+
+  loadVoltage_V = busVoltage_V + (shuntVoltage_mV / 1000);
+#ifdef SERIAL_ENABLED
+  Serial.println("test");  // print as an ASCII-encoded decimal
+
+  // print it out in many formats:
+  Serial.println(busVoltage_V);     // print as an ASCII-encoded decimal
+  Serial.println(shuntVoltage_mV);  // print as an ASCII-encoded decimal
+  Serial.println(loadVoltage_V);    // print as an ASCII-encoded decimal
+  delay(1000);
+
+
+
+#endif
+  ina219.powerDown();
+//ina219.powerUp();
+#ifdef OLED_ENABLED
+  u8g2.begin();
+  //u8g2.setContrast(0x5);
+  u8g2.setFlipMode(1);
+  u8g2.clearBuffer();
+
+  u8g2.setFont(u8g2_font_logisoso18_tr);  // choose a suitable font
+  u8g2.drawStr(0, 25, "V");
+
+  u8g2.setCursor(55, 25);
+  u8g2.print(u8x8_u8toa(loadVoltage_V, 3));
+
+
+  u8g2.sendBuffer();
+  delay(500);
+#endif
+}
+
+
+// the loop function runs over and over again forever
+int t = 0;
+void loop() {
+
+  //return;
+  /*if(t==HIGH)t=LOW;
+  else t=HIGH;
+  digitalWrite(LED_BUILTIN, t);  // turn the LED on (HIGH is the voltage level)
+*/
+  float shuntVoltage_mV = 0.0;
+
+  float busVoltage_V = 0.0;
+#ifdef OLED_ENABLED
+  ina219.init();
+#endif
+  ina219.powerUp();
+
+  shuntVoltage_mV = ina219.getShuntVoltage_mV();
+  busVoltage_V = ina219.getBusVoltage_V();
+
+  loadVoltage_V = busVoltage_V + (shuntVoltage_mV / 1000);
+
+  /*if(loadVoltage_V<3.7)
+  {
+     digitalWrite(5, LOW);  // turn the LED on (HIGH is the voltage level)
+  }else{
+     digitalWrite(5,HIGH);  // turn the LED on (HIGH is the voltage level)
+  }*/
+
+  if (loadVoltage_V >= 3.72) {
+    digitalWrite(5, HIGH);  // turn the LED on (HIGH is the voltage level)
+  }
+  if (loadVoltage_V <= 3.69) {
+    digitalWrite(5, LOW);  // turn the LED on (HIGH is the voltage level)
+  }
+  /*if(t==HIGH)t=LOW;
+  else t=HIGH;
+  digitalWrite(5, t);  // turn the LED on (HIGH is the voltage level)
+*/
+  ina219.powerDown();
+#ifdef OLED_ENABLED
+
+  u8g2.begin();
+  u8g2.clearBuffer();
+
+  u8g2.setFont(u8g2_font_logisoso18_tr);  // choose a suitable font
+  u8g2.drawStr(0, 25, "V");
+
+  u8g2.setCursor(55, 25);
+  u8g2.print(loadVoltage_V, 3);
+
+
+  u8g2.sendBuffer();
+  delay(2000);
+#endif
+
+#ifdef SERIAL_ENABLED
+
+  Serial.println("test");  // print as an ASCII-encoded decimal
+
+  // print it out in many formats:
+  Serial.println(busVoltage_V);     // print as an ASCII-encoded decimal
+  Serial.println(shuntVoltage_mV);  // print as an ASCII-encoded decimal
+  Serial.println(loadVoltage_V);    // print as an ASCII-encoded decimal
+  delay(1000);
+#endif
+
+  wdt_enable(WDTO_8S);    //Задаем интервал сторожевого таймера (2с)
+  WDTCSR |= (1 << WDIE);  //Устанавливаем бит WDIE регистра WDTCSR для разрешения прерываний от сторожевого таймера
+  set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+  sleep_mode();
+
+
+  //delay(1000);                      // wait for a second
+  //digitalWrite(LED_BUILTIN, LOW);   // turn the LED off by making the voltage LOW
+  // delay(1000);                      // wait for a second
+}
+
+ISR(WDT_vect) {
+  wdt_disable();
+  //f = !f;
+}