private IUnitInterface CreateI2C(ref i2c_t obj, PinName sda, PinName scl)
{
var p = PinMap.Peripheral(sda, PinMap.PinMap_I2C_SDA);
if (p == (int)PinName.NC)
{
return(null);
}
var t = PinMap.Peripheral(scl, PinMap.PinMap_I2C_SCL);
if ((t == (int)PinName.NC) || (p != t))
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(sda) || pin_if.ContainsKey(scl))
{
throw new ArgumentException();
}
uif = new I2C((I2CName)p, sda, scl);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
if ((sda == PinName.P1_7) && (scl == PinName.P1_6))
{
obj.fthandle = fthandle;
obj.ftsda = 5;
obj.ftscl = 4;
}
}
return(uif);
}
private IUnitInterface CreateI2S(ref i2s_t obj, PinName tx, PinName rx, PinName sck, PinName ws, PinName audio_clk)
{
var p = PinMap.Peripheral(tx, PinMap.PinMap_I2S_TX);
if (p == (int)PinName.NC)
{
return(null);
}
var t = PinMap.Peripheral(rx, PinMap.PinMap_I2S_RX);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(sck, PinMap.PinMap_I2S_SCK);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(ws, PinMap.PinMap_I2S_WS);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(audio_clk, PinMap.PinMap_I2S_AUDIO_CLK);
if ((t != (int)PinName.NC) && (t != p))
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(tx) || pin_if.ContainsKey(rx) || pin_if.ContainsKey(sck) || pin_if.ContainsKey(ws))
{
throw new ArgumentException();
}
uif = new I2S((I2SName)p, tx, rx, sck, ws, audio_clk);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
}
return(uif);
}
private IUnitInterface CreateSPI(ref spi_t obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
{
var p = PinMap.Peripheral(mosi, PinMap.PinMap_SPI_MOSI);
if (p == (int)PinName.NC)
{
return(null);
}
var t = PinMap.Peripheral(miso, PinMap.PinMap_SPI_MISO);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(sclk, PinMap.PinMap_SPI_SCLK);
if ((t == (int)PinName.NC) || (t != p))
{
return(null);
}
t = PinMap.Peripheral(ssel, PinMap.PinMap_SPI_SSEL);
if ((t != (int)PinName.NC) && (t != p))
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(mosi) || pin_if.ContainsKey(miso) || pin_if.ContainsKey(sclk) || pin_if.ContainsKey(ssel))
{
throw new ArgumentException();
}
uif = new SPI((SPIName)p, mosi, miso, sclk, ssel);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
if ((mosi == PinName.P4_6) && (miso == PinName.P4_7) && (sclk == PinName.P4_4))
{
obj.fthandle = fthandle;
}
}
return(uif);
}
private IUnitInterface CreateAnalogIn(ref analogin_t obj, PinName pin)
{
var p = PinMap.Peripheral(pin, PinMap.PinMap_ADC);
if (p == (int)PinName.NC)
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(pin))
{
throw new ArgumentException();
}
uif = new AnalogIn((ADCName)p, pin);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
}
return(uif);
}
private IUnitInterface CreateSerial(ref serial_t obj, PinName tx, PinName rx,
PinName rts = PinName.NC, PinName cts = PinName.NC)
{
var p = PinMap.Peripheral(tx, PinMap.PinMap_UART_TX);
if (p == (int)PinName.NC)
{
return(null);
}
var t = PinMap.Peripheral(rx, PinMap.PinMap_UART_RX);
if ((t == (int)PinName.NC) || (p != t))
{
return(null);
}
var r = PinMap.Peripheral(rts, PinMap.PinMap_UART_RTS);
if ((rts != PinName.NC) && ((r == (int)PinName.NC) || (p != r)))
{
return(null);
}
var s = PinMap.Peripheral(cts, PinMap.PinMap_UART_CTS);
if ((cts != PinName.NC) && ((s == (int)PinName.NC) || (p != s)))
{
return(null);
}
if (!interfaces.TryGetValue(obj.id, out var uif))
{
if (pin_if.ContainsKey(tx) || pin_if.ContainsKey(rx))
{
throw new ArgumentException();
}
uif = new Serial((UARTName)p, tx, rx, rts, cts);
obj.id = uif.GetHashCode();
interfaces.Add(obj.id, uif);
}
return(uif);
}