protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
using I2cDevice i2c = I2cDevice.Create(new I2cConnectionSettings(1, 0x27));
using Pcf8574 driver = new Pcf8574(i2c);
lcd = new Lcd1602(registerSelectPin: 0,
enablePin: 2,
dataPins: new int[] { 4, 5, 6, 7 },
backlightPin: 3,
backlightBrightness: 1f,
readWritePin: 1,
controller: new GpioController(PinNumberingScheme.Logical, driver));
while (!stoppingToken.IsCancellationRequested)
{
TemperatureDto interiorTemp = await _temperatureReadingService.GetLatestInteriorReadingAsync();
lcd.Clear();
string output = string.Empty;
DisplayLcdText(
interiorTemp != null ?
$"In: {interiorTemp.Fahrenheit.ToString()}F {interiorTemp.Celsius.ToString()}C" :
"No Data",
DateTime.Now.ToString("ddd MM/dd HH:mm")
);
await Task.Delay(TimeSpan.FromSeconds(DelaySeconds), stoppingToken);
TemperatureDto minInteriorTemp = await _temperatureReadingService.GetMinInteriorReadingAsync();
TemperatureDto maxInteriorTemp = await _temperatureReadingService.GetMaxInteriorReadingAsync();
output = string.Empty;
DisplayLcdText(
minInteriorTemp != null ?
$"Min: {minInteriorTemp.Fahrenheit.ToString()}F {minInteriorTemp.Celsius.ToString()}C" :
string.Empty,
maxInteriorTemp != null ?
$"Max: {maxInteriorTemp.Fahrenheit.ToString()}F {maxInteriorTemp.Celsius.ToString()}C" :
string.Empty
);
await Task.Delay(TimeSpan.FromSeconds(DelaySeconds), stoppingToken);
}
}
public async Task <IActionResult> GetLatestInteriorTemperature()
{
return(Ok(await _temperatureReadingService.GetLatestInteriorReadingAsync()));
}