/**
* Get an instance of an Digital Module.
* Singleton digital module creation where a module is allocated on the first use
* and the same module is returned on subsequent uses.
*/
DigitalModule* DigitalModule::GetInstance(UINT32 slot)
{
CheckDigitalModule(slot);
if (m_modules[slot] == NULL)
{
m_modules[slot] = new DigitalModule(slot);
}
return (DigitalModule*)m_modules[slot];
}
/**
* Get an instance of an Digital Module.
* Singleton digital module creation where a module is allocated on the first use
* and the same module is returned on subsequent uses.
*
* @param moduleNumber The digital module to get (1 or 2).
*/
DigitalModule* DigitalModule::GetInstance(uint8_t moduleNumber)
{
if (CheckDigitalModule(moduleNumber))
{
return (DigitalModule *)GetModule(nLoadOut::kModuleType_Digital, moduleNumber);
}
// If this wasn't caught before now, make sure we say what's wrong before we crash
char buf[64];
sprintf(buf, "Digital Module %d", moduleNumber);
wpi_setGlobalWPIErrorWithContext(ModuleIndexOutOfRange, buf);
return NULL;
}
/**
* Create an instance of a DigitalInput.
* Creates a digital input given a slot and channel. Common creation routine
* for all constructors.
*/
void DigitalInput::InitDigitalInput(uint8_t moduleNumber, uint32_t channel)
{
m_table = NULL;
char buf[64];
Resource::CreateResourceObject(&interruptsResource, tInterrupt::kNumSystems);
if (!CheckDigitalModule(moduleNumber))
{
snprintf(buf, 64, "Digital Module %d", moduleNumber);
wpi_setWPIErrorWithContext(ModuleIndexOutOfRange, buf);
return;
}
if (!CheckDigitalChannel(channel))
{
snprintf(buf, 64, "Digital Channel %d", channel);
wpi_setWPIErrorWithContext(ChannelIndexOutOfRange, buf);
return;
}
m_channel = channel;
m_module = DigitalModule::GetInstance(moduleNumber);
m_module->AllocateDIO(channel, true);
nUsageReporting::report(nUsageReporting::kResourceType_DigitalInput, channel, moduleNumber - 1);
}
/**
* Check that the digital module number is valid.
* Module numbers are the slot number that they are inserted in.
*/
bool SensorBase::CheckPWMModule(UINT32 slot)
{
return CheckDigitalModule(slot);
}
