public int WriteRegisterToDevice(byte uiRegister, byte value)
{
proto_Frame_t frame = new proto_Frame_t();
proto_Command_t cmd = proto_Command_t.proto_CMD_SET;
proto_frame_data_t data = new proto_frame_data_t();
data.req.reg = uiRegister;
data.req.value = value;
byte nbBytes = protocomm.proto_makeFrame(frame, cmd, data);
byte[] buffer = new byte[protocomm.sizeof_proto_Frame_t()];
protocomm.protoframe_serialize(frame, buffer);
// Create a protocole instance from frame decoding (device will not be used)
proto_IfaceIODevice_t protodev = protocomm.devemulslave_create();
var protoHdle = protocomm.proto_master_create(protodev);
int ret = _devHandle.connection.BulkTransfer(_devHandle.ep_out, buffer, 0, buffer.Length, BULK_XFER_TOUT_MS);
if (ret >= 0)
{
Log.Debug(DroidPandaVcom.LOG_TAG, "xfer : successfully sent nb bytes : " + ret);
// Receive the reply frame
// First version - take the answer with the max size possible
// Remember that the protocol expect the peer to seed **at most** the max frame size.
// We reuse the buffer as R/W frame size are constant
ret = _devHandle.connection.BulkTransfer(_devHandle.ep_in, buffer, 0, protocomm.sizeof_proto_Frame_t(), BULK_XFER_TOUT_MS);
if (ret >= 0)
{
ret = protocomm.proto_pushToFrame(protoHdle, buffer, (uint)ret);
if (ret >= 0)
{
var pcmd = protocomm.new_proto_Command_t_p();
switch (protocomm.proto_decodeFrame(protoHdle, pcmd, data))
{
case proto_DecodeStatus_t.proto_COMPLETED:
ret = (protocomm.proto_Command_t_p_value(pcmd) == proto_Command_t.proto_CMD_REPLY) ? 0 : 1;
break;
case proto_DecodeStatus_t.proto_REFUSED:
ret = -1;
break;
default:
break;
}
protocomm.delete_proto_Command_t_p(pcmd);
}
}
else
{
Log.Debug(DroidPandaVcom.LOG_TAG, "xfer : failed to sent bytes");
}
}
return(ret);
}
internal static global::System.Runtime.InteropServices.HandleRef getCPtr(proto_frame_data_t obj)
{
return((obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr);
}
public static byte proto_makeFrame(proto_Frame_t frame, proto_Command_t command, proto_frame_data_t args)
{
byte ret = protocommPINVOKE.proto_makeFrame(proto_Frame_t.getCPtr(frame), (int)command, proto_frame_data_t.getCPtr(args));
return(ret);
}
public static int proto_writeFrame(proto_hdle_t _this, proto_Command_t command, proto_frame_data_t args)
{
int ret = protocommPINVOKE.proto_writeFrame(proto_hdle_t.getCPtr(_this), (int)command, proto_frame_data_t.getCPtr(args));
return(ret);
}
public static proto_DecodeStatus_t proto_decodeFrame(proto_hdle_t _this, SWIGTYPE_p_proto_Command cmd, proto_frame_data_t arg)
{
proto_DecodeStatus_t ret = (proto_DecodeStatus_t)protocommPINVOKE.proto_decodeFrame(proto_hdle_t.getCPtr(_this), SWIGTYPE_p_proto_Command.getCPtr(cmd), proto_frame_data_t.getCPtr(arg));
return(ret);
}
/* TODO : put in common with the write register method */
public int ReadRegisterFromDevice(byte uiRegister, ref byte value)
{
// Build the request frame using dllCom
proto_Frame_t frame = new proto_Frame_t();
proto_Command_t cmd = proto_Command_t.proto_CMD_GET;
proto_frame_data_t data = new proto_frame_data_t();
data.req.reg = uiRegister;
data.req.value = 0;
byte nbBytes = protocomm.proto_makeFrame(frame, cmd, data);
byte[] buffer = new byte[protocomm.sizeof_proto_Frame_t()];
protocomm.protoframe_serialize(frame, buffer);
// Create a protocole instance from frame decoding (device will not be used)
proto_IfaceIODevice_t protodev = protocomm.devemulslave_create();
var protoHdle = protocomm.proto_master_create(protodev);
// Send request and receive reply
int ret = _devHandle.connection.BulkTransfer(_devHandle.ep_out, buffer, 0, buffer.Length, BULK_XFER_TOUT_MS);
if (ret >= 0)
{
Log.Debug(DroidPandaVcom.LOG_TAG, "xfer : successfully sent nb bytes : " + ret);
// Receive the reply frame
// First version - take the answer with the max size possible
// TODO : Handle timeout as done by the library and returns its error.
// We reuse the buffer as R/W frame size are constant
ret = _devHandle.connection.BulkTransfer(_devHandle.ep_in, buffer, 0, protocomm.sizeof_proto_Frame_t(), BULK_XFER_TOUT_MS);
if (ret >= 0)
{
ret = protocomm.proto_pushToFrame(protoHdle, buffer, (uint)ret);
if (ret >= 0)
{
var pcmd = protocomm.new_proto_Command_t_p();
switch (protocomm.proto_decodeFrame(protoHdle, pcmd, data))
{
case proto_DecodeStatus_t.proto_COMPLETED:
if (protocomm.proto_Command_t_p_value(pcmd) == proto_Command_t.proto_CMD_REPLY)
{
value = data.reg_value;
ret = 0;
}
else
{
ret = -1;
}
break;
case proto_DecodeStatus_t.proto_REFUSED:
ret = -1;
break;
default:
break;
}
protocomm.delete_proto_Command_t_p(pcmd);
}
}
else
{
Log.Debug(DroidPandaVcom.LOG_TAG, "read : failed to read nb bytes");
}
}
else
{
Log.Debug(DroidPandaVcom.LOG_TAG, "write : failed to sent nb bytes");
}
return(ret);
}
