//private static uint EAPI_GPIO_BANK_MASK(uint GPIO_NUM)
//{
// return (uint) (1 << (int)((GPIO_NUM) & 0x1F));
//}
//#define EAPI_GPIO_BANK_TEST_STATE(GPIO_NUM, TState, TValue) \ (((TValue>>((GPIO_NUM)&0x1F))&1)==(TState))
internal GpioCapability GetGpioCapabilities()
{
uint inputCapabilityMask = 0;
uint outputCapabilityMask = 0;
bool isUnsupported = false;
if (_gpioCapability != null)
{
return(_gpioCapability);
}
uint resultCode = EApiGPIOGetDirectionCaps(_eapiIdGpioBank00, ref inputCapabilityMask, ref outputCapabilityMask);
if (_eApiStatusCodes.IsUnsupported(resultCode))
{
_logger.Warning(_eapiIdGpioBank00 + " EApiGPIOGetDirectionCaps is unsupported");
isUnsupported = true;
}
if (!_eApiStatusCodes.IsSuccess(resultCode))
{
_logger.Warning("EApiGPIOGetDirectionCaps: " + _eApiStatusCodes.GetStatusStringFrom(resultCode));
isUnsupported = true;
}
_gpioCapability = new GpioCapability(inputCapabilityMask, outputCapabilityMask, isUnsupported);
_logger.Information("EApiGPIOGetDirectionCaps: " + _gpioCapability);
return(_gpioCapability);
}
public void SetLevel(EapiGpioId id, GpioLevelEnum levelEnum)
{
GpioCapability gpioCapabilities = GetGpioCapabilities();
if (!gpioCapabilities.IsOutput(id))
{
throw new Exception(id + " is not an output");
}
uint bitmask = (uint)(gpioCapabilities.OutputCapabilityMask & (1 << (int)id));
int newLevelVAlues = (int)ReadGpioRegister();
if (levelEnum == GpioLevelEnum.EapiGpioHigh)
{
newLevelVAlues |= 1 << (int)id;
}
else
{
newLevelVAlues &= ~(1 << (int)id);
}
_logger.Information("SetLevel {0} to {1} => bitmask={2}, newLevelVAlues={3}", id, levelEnum, Convert.ToString(bitmask, 2), Convert.ToString(newLevelVAlues, 2));
uint resultCode = EApiGPIOSetLevel(_eapiIdGpioBank00, bitmask, (uint)(0xffff & newLevelVAlues));
if (!_eApiStatusCodes.IsSuccess(resultCode))
{
throw new Exception("EApiGPIOSetLevel: " + _eApiStatusCodes.GetStatusStringFrom(resultCode));
}
}
public void SetAll(GpioLevelEnum levelEnum)
{
GpioCapability gpioCapabilities = GetGpioCapabilities();
uint bitmask = gpioCapabilities.OutputCapabilityMask;
uint newLevelValues = (uint)(levelEnum == GpioLevelEnum.EapiGpioHigh ? 0xffff : 0);
_logger.Information("SetAll: id={0}, bitmask={1}, new level={2}", _eapiIdGpioBank00, bitmask.ToBinaryString(), newLevelValues.ToBinaryString());
uint resultCode = EApiGPIOSetLevel(_eapiIdGpioBank00, bitmask, newLevelValues);
if (!_eApiStatusCodes.IsSuccess(resultCode))
{
throw new Exception("EApiGPIOSetLevel: " + _eApiStatusCodes.GetStatusStringFrom(resultCode));
}
}
private uint ReadGpioRegister()
{
GpioCapability gpioCapabilities = GetGpioCapabilities();
if (gpioCapabilities.IsUnsupported)
{
return(0);
}
uint bitmask = gpioCapabilities.InputCapabilityMask | gpioCapabilities.OutputCapabilityMask;
uint level = 0;
uint resultCode = EApiGPIOGetLevel(_eapiIdGpioBank00, bitmask, ref level);
if (!_eApiStatusCodes.IsSuccess(resultCode))
{
throw new Exception("EApiGPIOGetLevel: " + _eApiStatusCodes.GetStatusStringFrom(resultCode));
}
_logger.Information("GetLevel: id={0}, bitmask={1}, levelEnum={2}", _eapiIdGpioBank00, bitmask.ToBinaryString(), level.ToBinaryString());
return(level);
}