MqttMonitor/hmi.cpp
2016-07-11 21:51:33 +02:00

120 lines
3.2 KiB
C++

/*
* hmi.cpp
*
* Created on: 02.03.2016
* Author: dehottgw
*/
#include "hmi.h"
#include <Streaming.h>
using namespace HmiNS;
Hmi::Hmi() : m_tft(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCLK, TFT_RST, TFT_MISO), // m_tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET),
m_ctp(),
m_backLightPin(TFT_BACKLIGHT),
m_backLightEnable(true),
m_displayIdentifier(0),
m_alarmMessageAvailable(false),
m_seconds(0),
m_lightOn(LIGHT_ON),
m_lightOff(LIGHT_OFF)
{
for (uint8_t i = 0; i < NUM_OF_MESSAGESLOTS; i++) {
memset(m_messageSlots[i].header, 0, BUFFERLEN_MESSAGESLOT);
memset(m_messageSlots[i].body, 0, BUFFERLEN_MESSAGESLOT);
m_messageSlots[i].timestamp = 0;
m_messageSlots[i].updateRequired = false;
}
}
void Hmi::begin() {
pinMode(5, OUTPUT);
digitalWrite(5, HIGH);
m_tft.begin();
m_tft.setRotation(1);
m_tft.setTextSize(2);
m_tft.fillScreen(BLACK);
if (! m_ctp.begin(40)) { // pass in 'sensitivity' coefficient
Serial.println("Couldn't start FT6206 touchscreen controller");
while (1);
}
}
void Hmi::clear() {
m_tft.fillScreen(BLACK);
}
void Hmi::updateMessage(uint8_t slot, char* header, char* body) {
uint8_t index = slot - 1; // slots start at 1, the index starts at 0
if (index < NUM_OF_MESSAGESLOTS) {
strncpy(m_messageSlots[index].header, header, BUFFERLEN_MESSAGESLOT);
strncpy(m_messageSlots[index].body, body, BUFFERLEN_MESSAGESLOT);
m_messageSlots[index].timestamp = millis();
m_messageSlots[index].updateRequired = true;
}
}
void Hmi::toggleAlarmState() {
m_alarmMessageAvailable = ! m_alarmMessageAvailable;
}
void Hmi::drawMessages() {
for (uint8_t i = 0; i < NUM_OF_MESSAGESLOTS; i++) {
if (m_messageSlots[i].updateRequired) {
m_messageSlots[i].updateRequired = false;
m_tft.setCursor(0, 5+i*22);
m_tft.fillRect(0, 5+i*22, 320, 22, BLACK);
uint8_t l = i + 1;
if (l < 10) { // prefix numbers with only one digit with a leading 0
m_tft << " ";
}
m_tft << l << ": ";
if (strlen(m_messageSlots[i].header) > 0) {
m_tft << m_messageSlots[i].header;
for (uint8_t spaces = 0; spaces < (BUFFERLEN_MESSAGESLOT - strlen(m_messageSlots[i].header)); spaces++) {
m_tft << " ";
}
m_tft << " : " << m_messageSlots[i].body;
m_tft << endl;
} else {
m_tft << endl;
}
}
}
}
void Hmi::setSeconds(uint32_t seconds) {
m_seconds = seconds;
}
void Hmi::exec() {
drawMessages();
static uint32_t oldSeconds = 0;
if (m_seconds != oldSeconds) {
oldSeconds = m_seconds;
Serial << "LIGHT_OFF: " << m_lightOff << endl;
Serial << "LIGHT_ON: " << m_lightOn << endl;
Serial << "enable: " << m_backLightEnable << endl;
Serial << "Seconds: " << m_seconds << endl;
}
if (((m_seconds > m_lightOff) || (m_seconds < m_lightOn)) && !m_ctp.touched() && m_backLightEnable) {
m_backLightEnable = false;
digitalWrite(m_backLightPin, LOW);
Serial << "lights off" << endl;
}
if ((((m_seconds < m_lightOff) && (m_seconds > m_lightOn)) || m_ctp.touched()) && !m_backLightEnable) {
m_backLightEnable = true;
digitalWrite(m_backLightPin, HIGH);
Serial << "lights on" << endl;
}
}