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Added 2 event callbacks to handle send and receive events outside the

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library
(now it is possible to trigger a led from an application if m-bus data
is received)
This commit is contained in:
Stefan Wahren
2012-05-13 23:57:24 +02:00
parent d617accea5
commit 8f48d75fb0
4 changed files with 81 additions and 4 deletions
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22
mbus/mbus-serial.c
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@ -167,7 +167,15 @@ mbus_serial_send_frame(mbus_serial_handle *handle, mbus_frame *frame)
return -1;
}
if ((ret = write(handle->fd, buff, len)) != len)
if ((ret = write(handle->fd, buff, len)) == len)
{
//
// call the send event function, if the callback function is registered
//
if (_mbus_send_event)
_mbus_send_event(MBUS_HANDLE_TYPE_SERIAL);
}
else
{
fprintf(stderr, "%s: Failed to write frame to socket (ret = %d: %s)\n", __PRETTY_FUNCTION__, ret, strerror(errno));
return -1;
@ -196,7 +204,17 @@ mbus_serial_recv_frame(mbus_serial_handle *handle, mbus_frame *frame)
do {
//printf("%s: Attempt to read %d bytes [len = %d]\n", __PRETTY_FUNCTION__, remaining, len);
if ((nread = read(handle->fd, &buff[len], remaining)) == -1)
nread = read(handle->fd, &buff[len], remaining);
if (nread > 0)
{
//
// call the receive event function, if the callback function is registered
//
if (_mbus_recv_event)
_mbus_recv_event(MBUS_HANDLE_TYPE_SERIAL);
}
else if (nread == -1)
{
// fprintf(stderr, "%s: aborting recv frame (remaining = %d, len = %d, nread = %d)\n",
// __PRETTY_FUNCTION__, remaining, len, nread);