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add new function to send application reset incl. subcode

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fix typo in comment
add new program to test experimental feature application reset
add mbus-tcp-application-reset to build process
This commit is contained in:
Stefan Wahren
2013-04-27 13:16:44 +02:00
parent f6601ca40f
commit e1657399ff
3 changed files with 71 additions and 2 deletions
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55
mbus/mbus-protocol-aux.c
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@ -1711,6 +1711,61 @@ mbus_send_switch_baudrate_frame(mbus_handle * handle, int address, int baudrate)
return retval;
}
//------------------------------------------------------------------------------
// send a user data packet from master to slave: the packet resets
// the application layer in the slave
//------------------------------------------------------------------------------
int
mbus_send_application_reset_frame(mbus_handle * handle, int address, int subcode)
{
int retval = 0;
mbus_frame *frame;
if (mbus_is_primary_address(address) == 0)
{
MBUS_ERROR("%s: invalid address %d\n", __PRETTY_FUNCTION__, address);
return -1;
}
if (subcode > 0xFF)
{
MBUS_ERROR("%s: invalid subcode %d\n", __PRETTY_FUNCTION__, subcode);
return -1;
}
frame = mbus_frame_new(MBUS_FRAME_TYPE_LONG);
if (frame == NULL)
{
MBUS_ERROR("%s: failed to allocate mbus frame.\n", __PRETTY_FUNCTION__);
return -1;
}
frame->control = MBUS_CONTROL_MASK_SND_UD | MBUS_CONTROL_MASK_DIR_M2S;
frame->address = address;
frame->control_information = MBUS_CONTROL_INFO_APPLICATION_RESET;
if (subcode >= 0)
{
frame->data_size = 1;
frame->data[0] = (subcode & 0xFF);
}
else
{
frame->data_size = 0;
}
if (mbus_send_frame(handle, frame) == -1)
{
MBUS_ERROR("%s: failed to send mbus frame.\n", __PRETTY_FUNCTION__);
retval = -1;
}
mbus_frame_free(frame);
return retval;
}
//------------------------------------------------------------------------------
// send a request packet to from master to slave
//------------------------------------------------------------------------------