private async Task Init()
{
try
{
await InitGpio();
var deviceSPI = await InitSPI();
var deviceI2C = await InitI2C();
//create SPI display
SSD1603.SSD1603Configuration cfg_128_64 = SSD1603.CreateConfiguration(Screen.OLED_128_64);
cfg_128_64.CommonPinConfiguration = SSD1603.CommonPinConfigurationOptions.Alternative;
cfg_128_64.IsSegmentRemapped = true;
cfg_128_64.IsCommonScanDirectionRemapped = true;
_displaySpi = new SSD1603(cfg_128_64, deviceSPI, _pinDataCmd, _pinReset);
//create I2C display
//SSD1603.SSD1603Configuration cfg_128_32 = SSD1603.CreateConfiguration(Screen.OLED_128_32);
//cfg_128_32.IsSegmentRemapped = true;
//cfg_128_32.IsCommonScanDirectionRemapped = true;
_displayI2c = new SSD1603(Screen.OLED_128_32, deviceI2C);
}
catch (Exception ex)
{
Debug.WriteLine("initialization failed", ex.Message);
return;
}
}
private void ShowEmoji(int idx, string emoji)
{
SSD1603 display = idx == 0 ? _displaySpi : _displayI2c;
CanvasTextFormat fmt = idx == 0 ? _fmtBg : _fmtSm;
if (display != null && display.State == SSD1603.States.Ready)
{
//draw
using (CanvasDrawingSession ds = display.Render.CreateDrawingSession())
{
ds.Antialiasing = CanvasAntialiasing.Aliased;
ds.TextAntialiasing = CanvasTextAntialiasing.Aliased;
ds.Clear(SSD1603.BackgroundColor);
ds.DrawText(emoji, 0, 0, SSD1603.ForeColor, fmt);
}
Debug.WriteLine("display " + emoji);
display.Display();
}
}
