/// <summary> /// Instantiates a Max7219/7221 LED driver, using the netduino's hard SPI interface by default: /// If multiple Max7219/7221 chips are chained together, the CS pin must be controlled by the caller instead of the netduino handling it. /// CLK = pin 13 /// MOSI = pin 11 /// CS = pin 10 /// </summary> /// <param name="chipSelect">Chip Select pin.</param> /// <param name="spiModule">SPI module, SPI 1 is used by default.</param> /// <param name="speedKHz">Speed of the SPI bus in kHz. Set @ 10MHz by default (max chip speed).</param> public Max72197221(Cpu.Pin chipSelect, SPI.SPI_module spiModule = SPI.SPI_module.SPI1, uint speedKHz = (uint)10000) { var extendedSpiConfig = new ExtendedSpiConfiguration( SPI_mod: spiModule, ChipSelect_Port: chipSelect, ChipSelect_ActiveState: false, ChipSelect_SetupTime: 0, ChipSelect_HoldTime: 0, Clock_IdleState: false, Clock_Edge: true, Clock_RateKHz: speedKHz, BitsPerTransfer: 16); Spi = new SPI(extendedSpiConfig); DigitScanLimitSafety = true; SpiBuffer = new ushort[1]; }
public AdaFruitST7735( Cpu.Pin chipSelect, Cpu.Pin dc, Cpu.Pin reset, SPI.SPI_module spiModule = SPI.SPI_module.SPI1, uint speedKHz = (uint)9500, VirtualMemory vm = null) { Width = 128; Height = 160; AutoRefreshScreen = false; DataCommand = new OutputPort(dc, false); Reset = new OutputPort(reset, true); var extendedSpiConfig = new ExtendedSpiConfiguration( SPI_mod: spiModule, ChipSelect_Port: chipSelect, ChipSelect_ActiveState: false, ChipSelect_SetupTime: 0, ChipSelect_HoldTime: 0, Clock_IdleState: false, Clock_Edge: true, Clock_RateKHz: speedKHz, BitsPerTransfer: 8); Spi = new SPI(extendedSpiConfig); if (vm == null) { SpiBuffer = new byte[Width * Height * sizeof(ushort)]; MemoryWriteFunction = SpiBufferWrite; } else { VM = vm; MemoryWriteFunction = VirtualMemoryWrite; } Initialize(); }
public AdaFruitST7735(Cpu.Pin chipSelect, Cpu.Pin dc, Cpu.Pin reset, SPI.SPI_module spiModule = SPI.SPI_module.SPI1, uint speedKHz = (uint)9500) { AutoRefreshScreen = false; DataCommand = new OutputPort(dc, false); Reset = new OutputPort(reset, true); var extendedSpiConfig = new ExtendedSpiConfiguration( SPI_mod: spiModule, ChipSelect_Port: chipSelect, ChipSelect_ActiveState: false, ChipSelect_SetupTime: 0, ChipSelect_HoldTime: 0, Clock_IdleState: false, Clock_Edge: true, Clock_RateKHz: speedKHz, BitsPerTransfer: 8); Spi = new SPI(extendedSpiConfig); Initialize(); }