You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.6 KiB
80 lines
2.6 KiB
4 years ago
|
#ifndef T_KEYPAD_DRIVER_STUB_H_
|
||
|
|
#define T_KEYPAD_DRIVER_STUB_H_
|
||
|
|
|
||
|
|
#include <HAL/TDriverIsrCallback.h>
|
||
|
|
#include <Simulators/IDriverStubCallback.h>
|
||
|
|
#include <Simulators/SimulationClients/ComChannelSimulationClient.h>
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Driver stub for a key pad. It works on a communication channel and invokes the callback
|
||
|
|
* @ref Callback::CBK_ON_KEY_PRESSED when a byte is received.
|
||
|
|
*
|
||
|
|
* @tparam T_COM_CHANNEL_INDEX specifies the number of the communication channel, this driver
|
||
|
|
* stub uses to exchange data with the simulator
|
||
|
|
*/
|
||
|
|
template<unsigned int T_COM_CHANNEL_INDEX>
|
||
|
|
class TKeypadDriverStub: public redBlocks::Core::TGlobalPtrBase<TKeypadDriverStub<T_COM_CHANNEL_INDEX> >
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
enum Callback
|
||
|
|
{
|
||
|
|
CBK_ON_KEY_PRESSED
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* This method initializes the driver stub (by adding the underlying logical communication channel).
|
||
|
|
* @attention Use it only during the initialization phase, as it dynamically allocates memory.
|
||
|
|
*/
|
||
|
|
static void add()
|
||
|
|
{
|
||
|
|
TKeypadDriverStub* self = new TKeypadDriverStub();
|
||
|
|
redBlocks::Simulators::ComChannelSimulationClient::add( T_COM_CHANNEL_INDEX, 20, 20, &self->mInternal );
|
||
|
|
redBlocks::Simulators::ComChannelSimulationClient::enableRecvDataCallback( T_COM_CHANNEL_INDEX );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Should be called from the interrupt callback in order to retrieve the key that was pressed.
|
||
|
|
*/
|
||
|
|
static u8 getKey()
|
||
|
|
{
|
||
|
|
return TKeypadDriverStub<T_COM_CHANNEL_INDEX>::getInstanceRef().mInternal.mKey;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Internal class that implements the interface ComChannelSimulationClient::IRecvCallback
|
||
|
|
* in order to get notified, when a message is received via the communication channel.
|
||
|
|
*/
|
||
|
|
class Internal: public redBlocks::Simulators::IDriverStubCallback
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
virtual void onDriverStubCallback()
|
||
|
|
{
|
||
|
|
redBlocks::Simulators::ComChannelSimulationClient::RecvMsg* msg = redBlocks::Simulators::ComChannelSimulationClient::getNextMessage( T_COM_CHANNEL_INDEX );
|
||
|
|
if( NULL != msg )
|
||
|
|
{
|
||
|
|
// only use the first byte of the message, the rest is ignored
|
||
|
|
msg->read( &mKey, sizeof( mKey ) );
|
||
|
|
// invoke the callback
|
||
|
|
RB_INVOKE_ISR_CBK( CBK_ON_KEY_PRESSED );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** the key tha was pressed */
|
||
|
|
u8 mKey;
|
||
|
|
};
|
||
|
|
|
||
|
|
/** private single instance of class Internal */
|
||
|
|
Internal mInternal;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Hide the constructor, as this class is meant to be instantiated only via the public method add
|
||
|
|
*/
|
||
|
|
TKeypadDriverStub() {}
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // T_KEYPAD_DRIVER_STUB_H_
|