648 lines
16 KiB
C++
648 lines
16 KiB
C++
/*
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Serial Adapter Project: Dynamic serial TTY passthroughs
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by: Mike Crosson
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Nusku Networks
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date: 2013/03/09
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license: CC-BY SA 3.0 - Creative commons share-alike 3.0
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use this code however you'd like, just keep this license and
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attribute.
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*/
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#include <Adafruit_GFX.h>
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#include <Adafruit_ST7735.h>
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#include <SdFile.h>
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#include <SPI.h>
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#include "Project.h"
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#include "UILCD.h"
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#include "UIJoystickPSP.h"
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UILCD::UILCD() {
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#if DEBUG == 2
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serialPort0.println("UILCD::UILCD()");
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#endif
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pinMode(LCD_LITE, OUTPUT);
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tft = new Adafruit_ST7735(LCD_CS, LCD_DC, LCD_RST);
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tft->initR(INITR_BLACKTAB);
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tft->setRotation(3);
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}
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void UILCD::start() {
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#if DEBUG == 2
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serialPort0.println("UILCD::start()");
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#endif
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drawSplashScreen();
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drawMainScreen();
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}
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void UILCD::turnOn() {
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#if DEBUG == 2
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serialPort0.println("UILCD::turnOn()");
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#endif
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digitalWrite(LCD_LITE, HIGH);
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}
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void UILCD::turnOff() {
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#if DEBUG == 2
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serialPort0.println("UILCD::turnOff()");
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#endif
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digitalWrite(LCD_LITE, LOW);
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}
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void UILCD::handleJoystickEvent(joyDirection direction) {
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#if DEBUG == 2
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serialPort0.println("UILCD::handleJoystickEvent()");
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serialPort0.println("begin UILCD::handleJoystickEvent");
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serialPort0.print("Current Screen: ");
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serialPort0.println(currentScreen);
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#endif
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switch (currentScreen) {
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case 1: // enum screen -> mainScreen
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mainScreenHilight(direction);
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break;
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default: // config screens
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configScreenHighlight(direction);
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break;
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}
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}
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void UILCD::handleOkButtonEvent() {
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#if DEBUG == 2
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serialPort0.println("UILCD::handleOkButtonEvent()");
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serialPort0.println("begin UILCD::handleOkButtonEvent");
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serialPort0.print("Current Screen: ");
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serialPort0.println(currentScreen);
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#endif
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switch (currentScreen) {
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case 1: // enum screen -> mainScreen
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mainScreenOkButton();
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break;
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case 2: // connectionScreen
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config->setMode((serialmode)(currentLine - 3));
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drawConnectionScreen(true);
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break;
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case 3: // lineSpeedScreen
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config->setLineSpeed((linespeed)(currentLine - 3));
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drawLineSpeedScreen(true);
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break;
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case 4: // voltageScreen
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config->setVoltage((ttlvoltage)(currentLine - 3));
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drawVoltageScreen(true);
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break;
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case 5: // timeoutScreen
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config->setLCDTimeout((timeout)(currentLine - 3));
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drawTimeoutScreen(true);
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break;
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}
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}
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void UILCD::handleCancelButtonEvent() {
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#if DEBUG == 2
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serialPort0.println("UILCD::handleCancelButtonEvent");
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serialPort0.println("begin UILCD::handleCancelButtonEvent");
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serialPort0.print("Current Screen: ");
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serialPort0.println(currentScreen);
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#endif
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switch (currentScreen) {
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case 1: // enum screen -> mainScreen
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mainScreenCancelButton();
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break;
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default:
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drawMainScreen();
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break;
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}
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}
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void UILCD::mainScreenOkButton() {
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#if DEBUG == 2
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serialPort0.println("UILCD::mainScreenOkButton");
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#endif
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switch(currentLine) {
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case 0: // Connection Type
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drawConnectionScreen(false);
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break;
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case 1: // Line speed
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drawLineSpeedScreen(false);
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break;
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case 2: // Voltage
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drawVoltageScreen(false);
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break;
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// case 4: // start data log
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// break;
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// case 5: // view serial data
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// break;
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// case 7: // configure rtc
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// break;
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case 8:
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drawTimeoutScreen(false);
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break;
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}
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}
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void UILCD::mainScreenCancelButton() {
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#if DEBUG == 2
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serialPort0.println("UILCD::mainScreenCancelButton()");
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#endif
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// Do nothing for now
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}
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void UILCD::unHilightLine(int line) {
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#if DEBUG == 2
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serialPort0.println("UILCD::unHilightLine()");
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#endif
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tft->setCursor(0, line * FONT_HEIGHT);
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tft->fillRect(0, line * FONT_HEIGHT, FONT_WIDTH, FONT_HEIGHT, BACKGROUND);
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}
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void UILCD::hilightLine(int line) {
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#if DEBUG == 2
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serialPort0.println("UILCD::hilightLine()");
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#endif
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tft->setCursor(0, line * FONT_HEIGHT);
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tft->setTextColor(HILIGHT);
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tft->print("*");
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}
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void UILCD::mainScreenHilight(joyDirection direction) {
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#if DEBUG == 2
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serialPort0.println("UILCD::mainScreenHilight()");
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#endif
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if (direction == joyUp) {
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// Don't go up past the 1st line
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if (currentLine == 0) {
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return;
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}
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unHilightLine(currentLine);
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currentLine -= 1;
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// Skip blank lines
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if (config->getSerialMode() == ttl) {
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#if DEBUG == 2
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serialPort0.println("Serial ttl blank line skip");
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#endif
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if (currentLine == 3 || currentLine == 6) {
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currentLine -= 1;
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}
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}
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else {
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#if DEBUG == 2
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serialPort0.println("Non-serial ttl blank line skip");
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#endif
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if (currentLine == 2 || currentLine == 5) {
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currentLine -= 1;
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}
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}
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hilightLine(currentLine);
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}
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if (direction == joyDown) {
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// Don't go past the last line
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if (config->getSerialMode() == ttl) {
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if (currentLine == 8) {
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return;
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}
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}
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else {
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if (currentLine == 7) {
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return;
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}
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}
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unHilightLine(currentLine);
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currentLine += 1;
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// Skip blank lines
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if (config->getSerialMode() == ttl) {
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#if DEBUG == 2
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serialPort0.println("Serial ttl blank line skip");
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#endif
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if (currentLine == 3 || currentLine == 6) {
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currentLine += 1;
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}
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}
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else {
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#if DEBUG == 2
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serialPort0.println("Non-serial ttl blank line skip");
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#endif
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if (currentLine == 2 || currentLine == 5) {
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currentLine += 1;
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}
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}
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hilightLine(currentLine);
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}
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}
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void UILCD::configScreenHighlight(joyDirection direction) {
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#if DEBUG == 2
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serialPort0.println("UILCD::configScreenhilight()");
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#endif
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if (direction == joyUp) {
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// Don't go up past the 1st line
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if (currentLine == 3) {
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return;
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}
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unHilightLine(currentLine);
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currentLine -= 1;
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hilightLine(currentLine);
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}
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if (direction == joyDown) {
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// Don't go past the last line
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switch (currentScreen) {
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case 2: // connectionScreen
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if (currentLine == maxserialmode + 2) {
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return;
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}
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break;
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case 3: // lineSpeedScreen
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if (currentLine == maxlinespeed + 2) {
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return;
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}
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break;
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case 4: // voltageScreen
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if (currentLine == maxvoltage + 2) {
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return;
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}
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break;
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case 5: // timeoutScreen
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if (currentLine == maxtimeout + 2) {
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return;
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}
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break;
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}
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unHilightLine(currentLine);
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currentLine += 1;
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hilightLine(currentLine);
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}
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}
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void UILCD::drawTimeoutScreen(bool keepCurrentLine) {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawTimeoutScreen()");
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#endif
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currentScreen = timeoutscreen;
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if (!keepCurrentLine) {
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currentLine = 3;
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}
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tft->setCursor(0,0);
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tft->fillScreen(BACKGROUND);
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tft->setTextColor(TEXT);
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tft->setTextWrap(true);
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tft->println("Timout selection");
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tft->println(" Current value is yellow");
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tft->println();
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for (int i=0; i<maxtimeout; i++) {
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if (config->getTimeout() == i) {
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tft->setTextColor(HILIGHT);
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}
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tft->print(" ");
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tft->println(timeoutToText[i]);
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tft->setTextColor(TEXT);
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}
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if (keepCurrentLine) {
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hilightLine(currentLine);
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}
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else {
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hilightLine(3);
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}
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}
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void UILCD::drawConnectionScreen(bool keepCurrentLine) {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawConnectionScreen()");
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#endif
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currentScreen = connectionScreen;
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if (!keepCurrentLine) {
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currentLine = 3;
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}
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tft->setCursor(0,0);
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tft->fillScreen(BACKGROUND);
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tft->setTextColor(TEXT);
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tft->setTextWrap(true);
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tft->println("Type Selection");
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tft->println(" Current value is yellow");
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tft->println();
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for (int i=0; i<maxserialmode; i++) {
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if (config->getSerialMode() == i) {
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tft->setTextColor(HILIGHT);
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}
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tft->print(" ");
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tft->println(modeToText[i]);
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tft->setTextColor(TEXT);
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}
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if (keepCurrentLine) {
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hilightLine(currentLine);
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}
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else {
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hilightLine(3);
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}
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}
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void UILCD::drawLineSpeedScreen(bool keepCurrentLine) {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawLineSpeedScreen()");
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#endif
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currentScreen = lineSpeedScreen;
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if (!keepCurrentLine) {
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currentLine = 3;
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}
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tft->setCursor(0,0);
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tft->fillScreen(BACKGROUND);
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tft->setTextColor(TEXT);
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tft->setTextWrap(true);
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tft->println("Speed Selection");
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tft->println(" Current value is yellow");
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tft->println();
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for (int i=0; i<maxlinespeed; i++) {
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if (config->getLineSpeed() == i) {
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tft->setTextColor(HILIGHT);
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}
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tft->print(" ");
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tft->println(linespeeds[i].description);
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tft->setTextColor(TEXT);
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}
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if (keepCurrentLine) {
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hilightLine(currentLine);
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}
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else {
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hilightLine(3);
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}
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}
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void UILCD::drawVoltageScreen(bool keepCurrentLine) {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawVoltageScreen()");
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#endif
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currentScreen = voltageScreen;
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if (!keepCurrentLine) {
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currentLine = 3;
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}
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tft->setCursor(0,0);
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tft->fillScreen(BACKGROUND);
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tft->setTextColor(TEXT);
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tft->setTextWrap(true);
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tft->println("Voltage Selection");
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tft->println(" Current value is yellow");
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tft->println();
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for (int i=0; i<maxvoltage; i++) {
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if (config->getVoltage() == i) {
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tft->setTextColor(HILIGHT);
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}
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tft->print(" ");
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tft->println(voltageToText[i]);
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tft->setTextColor(TEXT);
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}
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if (keepCurrentLine) {
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hilightLine(currentLine);
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}
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else {
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hilightLine(3);
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}
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}
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void UILCD::drawMainScreen() {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawMainScreen()");
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#endif
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currentScreen = mainScreen;
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currentLine = 0;
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tft->setCursor(0,0);
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tft->fillScreen(BACKGROUND);
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tft->setTextColor(TEXT);
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tft->setTextWrap(true);
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tft->print(" Con Typ: ");
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tft->println(modeToText[config->getSerialMode()]); // TODO: This should be pulled from the config
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tft->print(" Line Speed: ");
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tft->println(linespeeds[config->getLineSpeed()].description);
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if (config->getSerialMode() == ttl) {
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tft->print(" Voltage (TTL Only): ");
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tft->println(voltageToText[config->getVoltage()]);
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}
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tft->println();
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tft->println(" Start data logging");
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tft->println(" View serial data");
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tft->println();
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tft->println(" Configure RTC / Clock");
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tft->println(" Configure timeout");
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hilightLine(0);
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}
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void UILCD::drawSplashScreen() {
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#if DEBUG == 2
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serialPort0.println("UILCD::drawSplashScreen()");
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#endif
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tft->setCursor(0,0);
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tft->fillScreen(SPLASH_BACKGROUND);
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bmpDraw(splashScreenFileName, 13, 0);
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delay(1250);
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for (int16_t y=0; y < tft->height(); y+=1) {
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tft->drawFastHLine(0, y, tft->width(), BACKGROUND);
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delay(10);
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}
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}
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void UILCD::bmpDraw(char *filename, uint8_t x, uint8_t y) {
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#if DEBUG == 2
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serialPort0.println("UILCD::bmpDraw()");
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#endif
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SdFile bmpFile;
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int bmpWidth, bmpHeight; // W+H in pixels
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uint8_t bmpDepth; // Bit depth (currently must be 24)
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uint32_t bmpImageoffset; // Start of image data in file
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uint32_t rowSize; // Not always = bmpWidth; may have padding
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uint8_t sdbuffer[3*BUFFPIXEL]; // pixel buffer (R+G+B per pixel)
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uint8_t buffidx = sizeof(sdbuffer); // Current position in sdbuffer
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boolean goodBmp = false; // Set to true on valid header parse
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boolean flip = true; // BMP is stored bottom-to-top
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int w, h, row, col;
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uint8_t r, g, b;
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uint32_t pos = 0, startTime = millis();
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if((x >= tft->width()) || (y >= tft->height())) {
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return;
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}
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#if DEBUG >= 1
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serialPort0.println();
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serialPort0.print("Loading image '");
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serialPort0.print(filename);
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serialPort0.println('\'');
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#endif
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// Open requested file on SD card
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if (!bmpFile.open(filename, O_READ)) {
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serialPort0.print(filename);
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serialPort0.println(" not found");
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return;
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}
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// Parse BMP header
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if(read16(&bmpFile) == 0x4D42) { // BMP signature
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uint32_t fileSize = read32(&bmpFile);
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#if DEBUG == 2
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serialPort0.print("File size: ");
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serialPort0.println(fileSize);
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#endif
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(void)read32(&bmpFile); // Read & ignore creator bytes
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bmpImageoffset = read32(&bmpFile); // Start of image data
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#if DEBUG == 2
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serialPort0.print("Image Offset: ");
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serialPort0.println(bmpImageoffset, DEC);
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#endif
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// Read DIB header
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float headerSize = read32(&bmpFile);
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#if DEBUG == 2
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serialPort0.print("Header size: ");
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serialPort0.println(headerSize);
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#endif
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bmpWidth = read32(&bmpFile);
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bmpHeight = read32(&bmpFile);
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if(read16(&bmpFile) == 1) { // # planes -- must be '1'
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bmpDepth = read16(&bmpFile); // bits per pixel
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#if DEBUG >= 1
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serialPort0.print("Bit Depth: ");
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serialPort0.println(bmpDepth);
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#endif
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if((bmpDepth == 24) && (read32(&bmpFile) == 0)) { // 0 = uncompressed
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goodBmp = true; // Supported BMP format -- proceed!
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#if DEBUG >= 1
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serialPort0.print("Image size: ");
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serialPort0.print(bmpWidth);
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serialPort0.print('x');
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serialPort0.println(bmpHeight);
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#endif
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// BMP rows are padded (if needed) to 4-byte boundary
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rowSize = (bmpWidth * 3 + 3) & ~3;
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// If bmpHeight is negative, image is in top-down order.
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// This is not canon but has been observed in the wild.
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if(bmpHeight < 0) {
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bmpHeight = -bmpHeight;
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flip = false;
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}
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// Crop area to be loaded
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w = bmpWidth;
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h = bmpHeight;
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if((x+w-1) >= tft->width()) {
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w = tft->width() - x;
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}
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if((y+h-1) >= tft->height()) {
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h = tft->height() - y;
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}
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// Set TFT address window to clipped image bounds
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|
tft->setAddrWindow(x, y, x+w-1, y+h-1);
|
|
|
|
for (row=0; row<h; row++) { // For each scanline...
|
|
|
|
// Seek to start of scan line. It might seem labor-
|
|
// intensive to be doing this on every line, but this
|
|
// method covers a lot of gritty details like cropping
|
|
// and scanline padding. Also, the seek only takes
|
|
// place if the file position actually needs to change
|
|
// (avoids a lot of cluster math in SD library).
|
|
if(flip) { // Bitmap is stored bottom-to-top order (normal BMP)
|
|
pos = bmpImageoffset + (bmpHeight - 1 - row) * rowSize;
|
|
}
|
|
else { // Bitmap is stored top-to-bottom
|
|
pos = bmpImageoffset + row * rowSize;
|
|
}
|
|
if(bmpFile.curPosition() != pos) { // Need seek?
|
|
bmpFile.seekSet(pos);
|
|
buffidx = sizeof(sdbuffer); // Force buffer reload
|
|
}
|
|
|
|
for (col=0; col<w; col++) { // For each pixel...
|
|
// Time to read more pixel data?
|
|
if (buffidx >= sizeof(sdbuffer)) { // Indeed
|
|
bmpFile.read(&sdbuffer, sizeof(sdbuffer));
|
|
buffidx = 0; // Set index to beginning
|
|
}
|
|
|
|
// Convert pixel from BMP to TFT format, push to display
|
|
b = sdbuffer[buffidx++];
|
|
g = sdbuffer[buffidx++];
|
|
r = sdbuffer[buffidx++];
|
|
tft->pushColor(tft->Color565(r,g,b));
|
|
} // end pixel
|
|
delay(5);
|
|
} // end scanline
|
|
#if DEBUG == 2
|
|
serialPort0.print("Loaded in ");
|
|
serialPort0.print(millis() - startTime);
|
|
serialPort0.println(" ms");
|
|
#endif
|
|
} // end goodBmp
|
|
}
|
|
}
|
|
|
|
bmpFile.close();
|
|
if(!goodBmp) {
|
|
serialPort0.println("BMP format not recognized.");
|
|
}
|
|
}
|
|
|
|
// These read 16- and 32-bit types from the SD card file.
|
|
// BMP data is stored little-endian, Arduino is little-endian too.
|
|
// May need to reverse subscript order if porting elsewhere.
|
|
|
|
uint16_t UILCD::read16(SdFile* f) {
|
|
//#if DEBUG == 2
|
|
// serialPort0.println("UILCD::read16()");
|
|
//#endif
|
|
uint16_t result;
|
|
int numBytesRead = f->read(&result, sizeof(result));
|
|
return result;
|
|
}
|
|
|
|
uint32_t UILCD::read32(SdFile* f) {
|
|
//#if DEBUG == 2
|
|
// serialPort0.println("UILCD::read32()");
|
|
//#endif
|
|
uint32_t result;
|
|
int numBytesRead = f->read(&result, sizeof(result));
|
|
return result;
|
|
}
|