esp32-nmea2000-obp60/lib/obp60task/OBP60ExtensionPort.cpp

#include <Arduino.h>
#include "Pagedata.h"
#include "OBP60Hardware.h"
#include "OBP60ExtensionPort.h"

// Please dont forget to declarate the fonts in OBP60ExtensionPort.h
#include "Ubuntu_Bold8pt7b.h"
#include "Ubuntu_Bold20pt7b.h"
#include "Ubuntu_Bold32pt7b.h"
#include "DSEG7Classic-BoldItalic16pt7b.h"
#include "DSEG7Classic-BoldItalic42pt7b.h"
#include "DSEG7Classic-BoldItalic60pt7b.h"

MCP23017 mcp = MCP23017(MCP23017_I2C_ADDR);

// SPI pin definitions for E-Ink display
GxIO_Class io(SPI, OBP_SPI_CS, OBP_SPI_DC, OBP_SPI_RST);  // SPI, CS, DC, RST
GxEPD_Class display(io, OBP_SPI_RST, OBP_SPI_BUSY);       // io, RST, BUSY

// Global vars
int outA = 0;                   // Outport Byte A
int outB = 0;                   // Outport Byte B
bool blinkingLED = false;       // Enable / disable blinking flash LED
int uvDuration = 0;             // Under voltage duration in n x 100ms

void MCP23017Init()
{
    mcp.init();
    mcp.portMode(MCP23017Port::A, 0b00110000); // Port A, 0 = out, 1 = in
    mcp.portMode(MCP23017Port::B, 0b11110000); // Port B, 0 = out, 1 = in

    // Extension Port A set defaults
    setPortPin(OBP_DIGITAL_OUT1, false);  // PA0
    setPortPin(OBP_DIGITAL_OUT2, false);  // PA1
    setPortPin(OBP_FLASH_LED, false);     // PA2
    setPortPin(OBP_BACKLIGHT_LED, false); // PA3
    setPortPin(OBP_POWER_50, true);       // PA6
    setPortPin(OBP_POWER_33, true);       // PA7

    // Extension Port B set defaults
    setPortPin(PB0, false); // PB0
    setPortPin(PB1, false); // PB1
    setPortPin(PB2, false); // PB2
    setPortPin(PB3, false); // PB3
}

void setPortPin(uint pin, bool value){
    if(pin <=7){    
        outA &= ~(1 << pin);     // Clear bit    
        outA |= (value << pin);  // Set bit
        mcp.writeRegister(MCP23017Register::GPIO_A, outA);
    }
    else{
        pin = pin - 8;
        outB &= ~(1 << pin);     // Clear bit
        outB |= (value << pin);  // Set bit
        mcp.writeRegister(MCP23017Register::GPIO_B, outB);
    }
}

void togglePortPin(uint pin){
    if(pin <=7){
        outA ^= (1 << pin);     // Set bit
        mcp.writeRegister(MCP23017Register::GPIO_A, outA);
    }
    else{
        pin = pin - 8;
        outB ^= (1 << pin);     // Set bit
        mcp.writeRegister(MCP23017Register::GPIO_B, outB);
    }
}

void blinkingFlashLED(){
    if(blinkingLED == true){
        togglePortPin(OBP_FLASH_LED);
    }    
}

void setBlinkingLED(bool on){
    blinkingLED = on;
}

uint buzzerpower = 50;

void buzzer(uint frequency, uint duration){
    if(frequency > 8000){   // Max 8000Hz
        frequency = 8000;
    }
    if(buzzerpower > 100){        // Max 100%
        buzzerpower = 100;
    }
    if(duration > 1000){    // Max 1000ms
        duration = 1000;
    }
    
    pinMode(OBP_BUZZER, OUTPUT);
    ledcSetup(0, frequency, 8);         // Ch 0, ferquency in Hz, 8 Bit resolution of PWM
    ledcAttachPin(OBP_BUZZER, 0);
    ledcWrite(0, uint(buzzerpower * 1.28));    // 50% duty cycle are 100%
    delay(duration);
    ledcWrite(0, 0);                    // 0% duty cycle are 0%
}

void setBuzzerPower(uint power){
    buzzerpower = power;
}

void displayHeader(CommonData &commonData, GwApi::BoatValue *hdop, GwApi::BoatValue *date, GwApi::BoatValue *time){

    static bool heartbeat = false;
    static unsigned long usbRxOld = 0;
    static unsigned long usbTxOld = 0;
    static unsigned long serRxOld = 0;
    static unsigned long serTxOld = 0;
    static unsigned long tcpSerRxOld = 0;
    static unsigned long tcpSerTxOld = 0;
    static unsigned long tcpClRxOld = 0;
    static unsigned long tcpClTxOld = 0;
    static unsigned long n2kRxOld = 0;
    static unsigned long n2kTxOld = 0;

    // Show status info
    display.setFont(&Ubuntu_Bold8pt7b);
    display.setTextColor(GxEPD_BLACK);
    display.setCursor(0, 15);
    if(commonData.status.wifiApOn){
      display.print(" AP ");
    }
    // If receive new telegram data then display bus name
    if(commonData.status.tcpClRx != tcpClRxOld || commonData.status.tcpClTx != tcpClTxOld || commonData.status.tcpSerRx != tcpSerRxOld || commonData.status.tcpSerTx != tcpSerTxOld){
      display.print("TCP ");
    }
    if(commonData.status.n2kRx != n2kRxOld || commonData.status.n2kTx != n2kTxOld){
      display.print("N2K ");
    }
    if(commonData.status.serRx != serRxOld || commonData.status.serTx != serTxOld){
      display.print("183 ");
    }
    if(commonData.status.usbRx != usbRxOld || commonData.status.usbTx != usbTxOld){
      display.print("USB ");
    }
    if(commonData.config->getBool(commonData.config->useGPS) == true && hdop->valid == true && hdop->value <= 50){
     display.print("GPS");
    }
    // Save old telegram counter
    tcpClRxOld = commonData.status.tcpClRx;
    tcpClTxOld = commonData.status.tcpClTx;
    tcpSerRxOld = commonData.status.tcpSerRx;
    tcpSerTxOld = commonData.status.tcpSerTx;
    n2kRxOld = commonData.status.n2kRx;
    n2kTxOld = commonData.status.n2kTx;
    serRxOld = commonData.status.serRx;
    serTxOld = commonData.status.serTx;
    usbRxOld = commonData.status.usbRx;
    usbTxOld = commonData.status.usbTx;

    // Heartbeat as dot
    display.setFont(&Ubuntu_Bold32pt7b);
    display.setCursor(205, 14);
    if(heartbeat == true){
      display.print(".");
    }
    else{
      display.print(" ");
    }
    heartbeat = !heartbeat; 

    // Date and time
    display.setFont(&Ubuntu_Bold8pt7b);
    display.setCursor(230, 15);
    if(hdop->valid == true && hdop->value <= 50){
        String acttime = formatValue(time, commonData).svalue;
        acttime = acttime.substring(0, 5);
        String actdate = formatValue(date, commonData).svalue;
        display.print(acttime);
        display.print(" ");
        display.print(actdate);
        display.print(" ");
        if(commonData.config->getInt(commonData.config->timeZone) == 0){
            display.print("UTC");
        }
        else{
            display.print("LOT");
        }
    }
    else{
      display.print("No GPS data");
    }
}