/// <summary>
/// Get a GraphicDisplay built from one or more 8x8 MAX7219-powered LED displays commonly available from hobbyist
/// vendors.
/// </summary>
/// <param name="port">The SPI port these displays are attached to</param>
/// <param name="latch">The latch pin to use with these displays</param>
/// <param name="numDevices">The number of 8x8 units that are daisy-chained together</param>
/// <returns></returns>
public static LedGraphicDisplay GetMax7219GraphicLedDisplay(Spi port, Pin latch, int numDevices)
{
IEnumerable <Led> finalList = new List <Led>();
for (var i = 0; i < numDevices; i++)
{
Max7219 driver;
driver = new Max7219(port, latch, i);
var tempList = new List <Led>();
// We have to re-order the LEDs from the Max7219
{
for (var k = 62; k >= 56; k--)
{
for (var m = k; m >= 0; m -= 8)
{
tempList.Add(driver.Leds[m]);
}
}
for (var k = 63; k >= 0; k -= 8)
{
tempList.Add(driver.Leds[k]);
}
}
finalList = finalList.Concat(tempList);
}
var display = new LedGraphicDisplay(finalList.ToList(), 8 * numDevices, 8);
return(display);
}
public static LedGraphicDisplay GetMax7219GraphicLedDisplay(Spi port, Pin latch, int numDevices)
{
IEnumerable<Led> finalList = new List<Led>();
for (int i = 0; i < numDevices; i++)
{
Max7219 driver;
driver = new Max7219(port, latch, i);
var tempList = new List<Led>();
// We have to re-order the LEDs from the Max7219
{
for (int k = 62; k >= 56; k--)
{
for (int m = k; m >= 0; m -= 8)
{
tempList.Add(driver.Leds[m]);
}
}
for (int k = 63; k >= 0; k -= 8)
{
tempList.Add(driver.Leds[k]);
}
}
finalList = finalList.Concat(tempList);
}
var display = new LedGraphicDisplay(finalList.ToList(), 8 * numDevices, 8);
return display;
}
