public EFR32_I2CController(Machine machine) : base(machine)
{
IRQ = new GPIO();
txBuffer = new Queue <byte>();
rxBuffer = new Queue <byte>();
interruptsManager = new InterruptManager <Interrupt>(this);
var map = new Dictionary <long, DoubleWordRegister> {
{ (long)Registers.ReceiveBufferData, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Read, name: "RXDATA", valueProviderCallback: _ =>
{
var result = rxBuffer.Dequeue();
interruptsManager.SetInterrupt(Interrupt.ReceiveDataValid, rxBuffer.Any());
return(result);
}) },
{ (long)Registers.ReceiveBufferDataPeek, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Read, name: "RXDATAP", valueProviderCallback: _ => rxBuffer.Peek()) },
{ (long)Registers.Command, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Write, name: "COMMAND", writeCallback: (_, v) => HandleCommand((Command)v)) },
{ (long)Registers.TransmitBufferData, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Write, name: "TXDATA", writeCallback: (_, v) => LoadTxData((byte)v)) }
};
map.Add((long)Registers.InterruptFlag, interruptsManager.GetInterruptFlagRegister <DoubleWordRegister>());
map.Add((long)Registers.InterruptEnable, interruptsManager.GetInterruptEnableRegister <DoubleWordRegister>());
map.Add((long)Registers.InterruptFlagSet, interruptsManager.GetInterruptFlagRegister <DoubleWordRegister>());
map.Add((long)Registers.InterruptFlagClear, interruptsManager.GetInterruptClearRegister <DoubleWordRegister>());
registers = new DoubleWordRegisterCollection(this, map);
}
public EFR32_USART(Machine machine, uint clockFrequency = 19000000) : base(machine)
{
TransmitIRQ = new GPIO();
ReceiveIRQ = new GPIO();
interruptsManager = new InterruptManager <Interrupt>(this);
var registersMap = new Dictionary <long, DoubleWordRegister>
{
{ (long)Registers.Control, new DoubleWordRegister(this)
.WithEnumField(0, 1, out operationModeField, name: "SYNC")
.WithEnumField(5, 2, out oversamplingField, name: "OVS") },
{ (long)Registers.FrameFormat, new DoubleWordRegister(this, 0x1005)
.WithEnumField(8, 2, out parityBitModeField, name: "PARITY")
.WithEnumField(12, 2, out stopBitsModeField, name: "STOPBITS") },
{ (long)Registers.Command, new DoubleWordRegister(this)
.WithFlag(11, FieldMode.Set, writeCallback: (_, newValue) => { if (newValue)
{
ClearBuffer();
}
}, name: "CLEARRX") },
{ (long)Registers.Status, new DoubleWordRegister(this, 0x2040)
.WithFlag(5, out transferCompleteFlag, FieldMode.Read, name: "TXC")
.WithFlag(7, out receiveDataValidFlag, FieldMode.Read, name: "RXDATAV") },
{ (long)Registers.ClockControl, new DoubleWordRegister(this)
.WithValueField(3, 20, out fractionalClockDividerField, name: "DIV") },
{ (long)Registers.RxBufferData, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Read, name: "RXDATA", valueProviderCallback: (_) => ReadBuffer()) },
{ (long)Registers.TxBufferData, new DoubleWordRegister(this)
.WithValueField(0, 8, FieldMode.Write, writeCallback: (_, v) => HandleTxBufferData((byte)v)) },
};
registersMap.Add((long)Registers.InterruptFlag, interruptsManager.GetInterruptFlagRegister <DoubleWordRegister>());
registersMap.Add((long)Registers.InterruptEnable, interruptsManager.GetInterruptEnableRegister <DoubleWordRegister>());
registersMap.Add((long)Registers.InterruptFlagSet, interruptsManager.GetInterruptSetRegister <DoubleWordRegister>());
registersMap.Add((long)Registers.InterruptFlagClear, interruptsManager.GetInterruptClearRegister <DoubleWordRegister>());
registers = new DoubleWordRegisterCollection(this, registersMap);
uartClockFrequency = clockFrequency;
}
