char comm[1024];
} cec_adapter;
- typedef struct cec_frame
+ typedef enum cec_adapter_messagecode
+ {
+ MSGCODE_NOTHING = 0,
+ MSGCODE_PING,
+ MSGCODE_TIMEOUT_ERROR,
+ MSGCODE_HIGH_ERROR,
+ MSGCODE_LOW_ERROR,
+ MSGCODE_FRAME_START,
+ MSGCODE_FRAME_DATA,
+ MSGCODE_RECEIVE_FAILED,
+ MSGCODE_COMMAND_ACCEPTED,
+ MSGCODE_COMMAND_REJECTED,
+ MSGCODE_SET_ACK_MASK,
+ MSGCODE_TRANSMIT,
+ MSGCODE_TRANSMIT_EOM,
+ MSGCODE_TRANSMIT_IDLETIME,
+ MSGCODE_TRANSMIT_ACK_POLARITY,
+ MSGCODE_TRANSMIT_LINE_TIMEOUT,
+ MSGCODE_TRANSMIT_SUCCEEDED,
+ MSGCODE_TRANSMIT_FAILED_LINE,
+ MSGCODE_TRANSMIT_FAILED_ACK,
+ MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA,
+ MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE,
+ MSGCODE_FIRMWARE_VERSION,
+ MSGCODE_START_BOOTLOADER,
+ MSGCODE_FRAME_EOM = 0x80,
+ MSGCODE_FRAME_ACK = 0x40,
+ } cec_adapter_messagecode;
+
+ typedef struct cec_datapacket
{
- uint8_t data[20];
+ uint8_t data[100];
uint8_t size;
+ bool empty(void) const { return size == 0; }
+ bool full(void) const { return size == 100; }
+ uint8_t operator[](uint8_t pos) const { return pos < size ? data[pos] : 0; }
+ uint8_t at(uint8_t pos) const { return pos < size ? data[pos] : 0; }
+
void shift(uint8_t iShiftBy)
{
if (iShiftBy >= size)
void push_back(uint8_t add)
{
- if (size < 20)
+ if (size < 100)
data[size++] = add;
}
memset(data, 0, sizeof(data));
size = 0;
}
+
+ } cec_datapacket;
+
+ typedef struct cec_frame
+ {
+ cec_datapacket packet;
+
+ bool empty(void) const { return packet.empty(); }
+ uint8_t operator[](uint8_t pos) const { return packet[pos]; }
+ uint8_t at(uint8_t pos) const { return packet[pos]; }
+ uint8_t size(void) const { return packet.size; }
+ void clear(void) { packet.clear(); }
+ void shift(uint8_t iShiftBy) { packet.shift(iShiftBy); }
+ void push_back(uint8_t add) { packet.push_back(add); }
+ cec_adapter_messagecode message(void) const { return packet.size >= 1 ? (cec_adapter_messagecode) (packet.at(0) & ~(MSGCODE_FRAME_EOM | MSGCODE_FRAME_ACK)) : MSGCODE_NOTHING; }
+ bool eom(void) const { return packet.size >= 1 ? (packet.at(0) & MSGCODE_FRAME_EOM) != 0 : false; }
+ 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; };
} cec_frame;
typedef struct cec_command
cec_logical_address source;
cec_logical_address destination;
cec_opcode opcode;
- cec_frame parameters;
+ cec_datapacket parameters;
void clear(void)
{