using namespace std;
using namespace CEC;
+CCECAdapterMessage::CCECAdapterMessage(const cec_command &command)
+{
+ clear();
+
+ //set ack polarity to high when transmitting to the broadcast address
+ //set ack polarity low when transmitting to any other address
+ push_back(MSGSTART);
+ push_escaped(MSGCODE_TRANSMIT_ACK_POLARITY);
+ if (command.destination == CECDEVICE_BROADCAST)
+ push_escaped(CEC_TRUE);
+ else
+ push_escaped(CEC_FALSE);
+ push_back(MSGEND);
+
+ // add source and destination
+ push_back(MSGSTART);
+ push_escaped(MSGCODE_TRANSMIT);
+ push_back(((uint8_t)command.initiator << 4) + (uint8_t)command.destination);
+ push_back(MSGEND);
+
+ // add opcode
+ push_back(MSGSTART);
+ push_escaped(command.parameters.empty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
+ push_back((uint8_t) command.opcode);
+ push_back(MSGEND);
+
+ // add parameters
+ for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
+ {
+ push_back(MSGSTART);
+
+ if (iPtr == command.parameters.size - 1)
+ push_escaped( MSGCODE_TRANSMIT_EOM);
+ else
+ push_escaped(MSGCODE_TRANSMIT);
+
+ push_escaped(command.parameters[iPtr]);
+
+ push_back(MSGEND);
+ }
+}
+
+CCECAdapterMessage &CCECAdapterMessage::operator =(const CCECAdapterMessage &msg)
+{
+ packet = msg.packet;
+ return *this;
+}
+
+void CCECAdapterMessage::push_escaped(int16_t byte)
+{
+ if (byte >= MSGESC && byte != MSGSTART)
+ {
+ push_back(MSGESC);
+ push_back(byte - ESCOFFSET);
+ }
+ else
+ push_back(byte);
+}
+
CAdapterCommunication::CAdapterCommunication(CLibCEC *controller) :
m_port(NULL),
m_controller(controller)
{
public:
CCECAdapterMessage(void) {}
- CCECAdapterMessage(const cec_command &command)
- {
- clear();
-
- //set ack polarity to high when transmitting to the broadcast address
- //set ack polarity low when transmitting to any other address
- push_back(MSGSTART);
- push_escaped(MSGCODE_TRANSMIT_ACK_POLARITY);
- if (command.destination == CECDEVICE_BROADCAST)
- push_escaped(CEC_TRUE);
- else
- push_escaped(CEC_FALSE);
- push_back(MSGEND);
-
- // add source and destination
- push_back(MSGSTART);
- push_escaped(MSGCODE_TRANSMIT);
- push_back(((uint8_t)command.initiator << 4) + (uint8_t)command.destination);
- push_back(MSGEND);
-
- // add opcode
- push_back(MSGSTART);
- push_escaped(command.parameters.empty() ? (uint8_t)MSGCODE_TRANSMIT_EOM : (uint8_t)MSGCODE_TRANSMIT);
- push_back((uint8_t) command.opcode);
- push_back(MSGEND);
-
- // add parameters
- for (int8_t iPtr = 0; iPtr < command.parameters.size; iPtr++)
- {
- push_back(MSGSTART);
-
- if (iPtr == command.parameters.size - 1)
- push_escaped( MSGCODE_TRANSMIT_EOM);
- else
- push_escaped(MSGCODE_TRANSMIT);
-
- push_escaped(command.parameters[iPtr]);
-
- push_back(MSGEND);
- }
- }
-
- CCECAdapterMessage &operator =(const CCECAdapterMessage &msg)
- {
- packet = msg.packet;
- return *this;
- }
+ CCECAdapterMessage(const cec_command &command);
+ CCECAdapterMessage &operator =(const CCECAdapterMessage &msg);
bool empty(void) const { return packet.empty(); }
uint8_t operator[](uint8_t pos) const { return packet[pos]; }
bool ack(void) const { return packet.size >= 1 ? (packet.at(0) & MSGCODE_FRAME_ACK) != 0 : false; }
cec_logical_address initiator(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.at(1) >> 4) : CECDEVICE_UNKNOWN; };
cec_logical_address destination(void) const { return packet.size >= 2 ? (cec_logical_address) (packet.at(1) & 0xF) : CECDEVICE_UNKNOWN; };
- void push_escaped(int16_t byte)
- {
- if (byte >= MSGESC && byte != MSGSTART)
- {
- push_back(MSGESC);
- push_back(byte - ESCOFFSET);
- }
- else
- push_back(byte);
- }
+ void push_escaped(int16_t byte);
cec_datapacket packet;
};