public NXPGPIOPort(Machine machine, int numberOfPins) : base(machine, numberOfPins)
{
IRQ = new GPIO();
interruptManager = new GPIOInterruptManager(IRQ, State);
DefineGPIORegisters();
DefinePortRegisters();
}
public CC2538_GPIO(Machine machine) : base(machine, NumberOfGPIOs)
{
locker = new object();
IRQ = new GPIO();
irqManager = new GPIOInterruptManager(IRQ, State);
PrepareRegisters();
}
public PSE_GPIO(Machine machine) : base(machine, 32)
{
locker = new object();
IRQ = new GPIO();
irqManager = new GPIOInterruptManager(IRQ, State);
var registersMap = new Dictionary <long, DoubleWordRegister>
{
{ (long)Registers.InterruptRegister, new DoubleWordRegister(this)
.WithValueField(0, 32,
writeCallback: (_, val) =>
{
foreach (var i in BitHelper.GetSetBits(val))
{
irqManager.ClearInterrupt(i);
if ((irqManager.PinDirection[i] & GPIOInterruptManager.Direction.Input) != 0)
{
Connections[i].Set(false);
}
}
},
valueProviderCallback: _ => BitHelper.GetValueFromBitsArray(irqManager.ActiveInterrupts), name: "INTR") },
{ (long)Registers.InputRegister, new DoubleWordRegister(this)
.WithValueField(0, 32, out inputReg, FieldMode.Read,
valueProviderCallback: val =>
{
var pins = irqManager.PinDirection.Select(x => (x & GPIOInterruptManager.Direction.Input) != 0);
var result = pins.Zip(State, (pin, state) => pin && state);
return(BitHelper.GetValueFromBitsArray(result));
}, name: "GPIN") },
{ (long)Registers.OutputRegister, new DoubleWordRegister(this)
.WithValueField(0, 32,
valueProviderCallback: val =>
{
var pins = irqManager.PinDirection.Select(x => (x & GPIOInterruptManager.Direction.Output) != 0);
var result = pins.Zip(Connections.Values, (pin, state) => pin && state.IsSet);
return(BitHelper.GetValueFromBitsArray(result));
},
writeCallback: (_, val) =>
{
// Potentially we should raise an exception, as GPIO is bidirectional,
// but we do not have such infrastructure.
var bits = BitHelper.GetBits(val);
for (var i = 0; i < bits.Length; i++)
{
if ((irqManager.PinDirection[i] & GPIOInterruptManager.Direction.Output) != 0)
{
Connections[i].Set(bits[i]);
}
}
}, name: "GPOUT") },
{ (long)Registers.ClearRegister, new DoubleWordRegister(this)
.WithValueField(0, 32, writeCallback: (_, val) => SetRegisterBits(val, false), name: "CLEAR_BITS") },
{ (long)Registers.SetRegister, new DoubleWordRegister(this)
.WithValueField(0, 32, writeCallback: (_, val) => SetRegisterBits(val, true), name: "SET_BITS") },
};
var intTypeToVal = new TwoWayDictionary <GPIOInterruptManager.InterruptTrigger, uint>();
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.ActiveHigh, 0);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.ActiveLow, 1);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.RisingEdge, 2);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.FallingEdge, 3);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.BothEdges, 4);
for (var i = 0; i < RegisterLength; i++)
{
var j = i;
registersMap.Add(i * RegisterOffset, new DoubleWordRegister(this)
.WithFlag(0,
writeCallback: (_, val) =>
{
if (val)
{
irqManager.PinDirection[j] |= GPIOInterruptManager.Direction.Output;
}
else
{
irqManager.PinDirection[j] &= ~GPIOInterruptManager.Direction.Output;
}
},
valueProviderCallback: _ => (irqManager.PinDirection[j] & GPIOInterruptManager.Direction.Output) != 0, name: "OutputRegEnable")
.WithFlag(1,
writeCallback: (_, value) =>
{
if (value)
{
irqManager.PinDirection[j] |= GPIOInterruptManager.Direction.Input;
}
else
{
irqManager.PinDirection[j] &= ~GPIOInterruptManager.Direction.Input;
}
},
valueProviderCallback: _ => (irqManager.PinDirection[j] & GPIOInterruptManager.Direction.Input) != 0, name: "InputRegEnable")
.WithTag("OutputBufferEnable", 2, 1)
.WithFlag(3, writeCallback: (_, v) => { irqManager.InterruptEnable[j] = v; }, valueProviderCallback: _ => irqManager.InterruptEnable[j], name: "InterruptEnable")
.WithReservedBits(4, 1)
.WithValueField(5, 3,
writeCallback: (_, value) =>
{
if (!intTypeToVal.TryGetValue(value, out var type))
{
this.Log(LogLevel.Warning, "Invalid interrupt type for pin #{0}: {1}", j, value);
return;
}
irqManager.InterruptType[j] = type;
},
valueProviderCallback: _ => intTypeToVal[irqManager.InterruptType[j]], name: "InterruptType"));
}
registers = new DoubleWordRegisterCollection(this, registersMap);
}
public MiV_CoreGPIO(Machine machine) : base(machine, NumberOfInterrupts)
{
innerLock = new object();
IRQ = new GPIO();
irqManager = new GPIOInterruptManager(IRQ, State);
var registersMap = new Dictionary <long, DoubleWordRegister>
{
{ (long)Registers.OutputRegister, new DoubleWordRegister(this).WithValueField(0, 32, FieldMode.Write, writeCallback: (_, value) =>
{
lock (innerLock)
{
var bits = BitHelper.GetBits(value);
for (var i = 0; i < bits.Length; i++)
{
Connections[i].Set(bits[i]);
}
}
}) },
{ (long)Registers.InputRegister, new DoubleWordRegister(this).WithValueField(0, 32, FieldMode.Read, valueProviderCallback: _ =>
{
lock (innerLock)
{
return(BitHelper.GetValueFromBitsArray(State));
}
}) },
{ (long)Registers.InterruptClearRegister, new DoubleWordRegister(this).WithValueField(0, 32, writeCallback: (_, value) =>
{
lock (innerLock)
{
foreach (var i in BitHelper.GetSetBits(value))
{
irqManager.ClearInterrupt((uint)i);
}
}
}, valueProviderCallback: _ => {
lock (innerLock)
{
return(BitHelper.GetValueFromBitsArray(irqManager.ActiveInterrupts));
}
}) }
};
var intTypeToVal = new TwoWayDictionary <GPIOInterruptManager.InterruptTrigger, uint>();
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.ActiveHigh, 0);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.ActiveLow, 1);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.RisingEdge, 2);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.FallingEdge, 3);
intTypeToVal.Add(GPIOInterruptManager.InterruptTrigger.BothEdges, 4);
for (var i = 0; i < NumberOfInterrupts; i++)
{
var j = i;
registersMap.Add((long)Registers.ConfigurationRegisterBase + i * 0x4, new DoubleWordRegister(this)
.WithFlag(0, writeCallback: (_, v) =>
{
if (v)
{
irqManager.PinDirection[j] |= GPIOInterruptManager.Direction.Output;
}
else
{
irqManager.PinDirection[j] &= ~GPIOInterruptManager.Direction.Output;
}
},
valueProviderCallback: _ => (irqManager.PinDirection[j] & GPIOInterruptManager.Direction.Output) != 0, name: "OUTREG")
.WithFlag(1, writeCallback: (_, value) =>
{
if (value)
{
irqManager.PinDirection[j] |= GPIOInterruptManager.Direction.Input;
}
else
{
irqManager.PinDirection[j] &= ~GPIOInterruptManager.Direction.Input;
}
},
valueProviderCallback: _ => (irqManager.PinDirection[j] & GPIOInterruptManager.Direction.Input) != 0, name: "INREG")
.WithTag("OUTBUFF", 2, 1)
.WithFlag(3, writeCallback: (_, v) => { irqManager.InterruptEnable[j] = v; }, valueProviderCallback: _ => irqManager.InterruptEnable[j], name: "INTENABLE")
//bit 4 unused
.WithValueField(5, 3, writeCallback: (_, value) =>
{
if (!intTypeToVal.TryGetValue(value, out var type))
{
this.Log(LogLevel.Warning, "Invalid interrupt type for pin #{0}: {1}", j, value);
return;
}
irqManager.InterruptType[j] = type;
}, valueProviderCallback: _ =>
{
if (!intTypeToVal.TryGetValue(irqManager.InterruptType[j], out var value))
{
throw new ArgumentOutOfRangeException($"Unknown interrupt trigger type: {irqManager.InterruptType[j]}");
}
return(value);
}, name: "INTTYPE"));
}
registers = new DoubleWordRegisterCollection(this, registersMap);
}
