79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/*
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* hmi.cpp
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*
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* Created on: 02.03.2016
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* Author: dehottgw
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*/
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#include "hmi.h"
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#include <Streaming.h>
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using namespace HmiNS;
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Hmi::Hmi() : m_tft(6, 9, 11, 13, -1, 12), // m_tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET),
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m_displayIdentifier(0),
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m_alarmMessageAvailable(false)
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{
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for (uint8_t i = 0; i < NUM_OF_MESSAGESLOTS; i++) {
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memset(m_messageSlots[i].header, 0, BUFFERLEN_MESSAGESLOT);
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memset(m_messageSlots[i].body, 0, BUFFERLEN_MESSAGESLOT);
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m_messageSlots[i].timestamp = 0;
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m_messageSlots[i].updateRequired = false;
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}
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}
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void Hmi::begin() {
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m_tft.begin();
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m_tft.setRotation(1);
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m_tft.setTextSize(2);
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m_tft.fillScreen(BLACK);
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}
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void Hmi::clear() {
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m_tft.fillScreen(BLACK);
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}
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void Hmi::updateMessage(uint8_t slot, char* header, char* body) {
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uint8_t index = slot - 1; // slots start at 1, the index starts at 0
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if (index < NUM_OF_MESSAGESLOTS) {
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strncpy(m_messageSlots[index].header, header, BUFFERLEN_MESSAGESLOT);
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strncpy(m_messageSlots[index].body, body, BUFFERLEN_MESSAGESLOT);
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m_messageSlots[index].timestamp = millis();
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m_messageSlots[index].updateRequired = true;
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}
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}
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void Hmi::toggleAlarmState() {
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m_alarmMessageAvailable = ! m_alarmMessageAvailable;
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}
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void Hmi::drawMessages() {
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for (uint8_t i = 0; i < NUM_OF_MESSAGESLOTS; i++) {
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if (m_messageSlots[i].updateRequired) {
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m_messageSlots[i].updateRequired = false;
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m_tft.setCursor(0, 5+i*22);
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m_tft.fillRect(0, 5+i*22, 320, 22, BLACK);
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uint8_t l = i + 1;
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if (l < 10) { // prefix numbers with only one digit with a leading 0
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m_tft << " ";
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}
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m_tft << l << ": ";
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if (strlen(m_messageSlots[i].header) > 0) {
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m_tft << m_messageSlots[i].header;
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for (uint8_t spaces = 0; spaces < (BUFFERLEN_MESSAGESLOT - strlen(m_messageSlots[i].header)); spaces++) {
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m_tft << " ";
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}
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m_tft << " : " << m_messageSlots[i].body;
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m_tft << endl;
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} else {
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m_tft << endl;
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}
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}
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}
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}
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void Hmi::exec() {
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drawMessages();
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}
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