- init slave to get always the beginning of the records
- start read with FCB set - fixed double free in case of send failure
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@ -1369,9 +1369,44 @@ mbus_sendrecv_request(mbus_handle *handle, int address, mbus_frame *reply, int m
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return -1;
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return -1;
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}
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}
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frame->control = MBUS_CONTROL_MASK_REQ_UD2 | MBUS_CONTROL_MASK_DIR_M2S | MBUS_CONTROL_MASK_FCV;
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//
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// init slave to get really the beginning of the records
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//
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frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
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frame->address = address;
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frame->address = address;
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if (debug)
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printf("%s: debug: sending init frame\n", __PRETTY_FUNCTION__);
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if (mbus_send_frame(handle, frame) == -1)
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{
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MBUS_ERROR("%s: failed to send mbus frame.\n", __PRETTY_FUNCTION__);
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mbus_frame_free(frame);
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return -1;
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}
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if (mbus_recv_frame(handle, reply) == -1)
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{
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MBUS_ERROR("%s: Failed to receive M-Bus response frame.\n", __PRETTY_FUNCTION__);
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mbus_frame_free(frame);
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return -1;
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}
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if (mbus_frame_type(reply) != MBUS_FRAME_TYPE_ACK)
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{
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MBUS_ERROR("%s: Unknown reply.\n", __PRETTY_FUNCTION__);
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mbus_frame_free(frame);
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return -1;
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}
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frame->control = MBUS_CONTROL_MASK_REQ_UD2 |
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MBUS_CONTROL_MASK_DIR_M2S |
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MBUS_CONTROL_MASK_FCV |
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MBUS_CONTROL_MASK_FCB;
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frame->address = address;
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if (debug)
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if (debug)
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printf("%s: debug: sending request frame\n", __PRETTY_FUNCTION__);
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printf("%s: debug: sending request frame\n", __PRETTY_FUNCTION__);
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@ -1379,7 +1414,7 @@ mbus_sendrecv_request(mbus_handle *handle, int address, mbus_frame *reply, int m
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{
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{
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MBUS_ERROR("%s: failed to send mbus frame.\n", __PRETTY_FUNCTION__);
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MBUS_ERROR("%s: failed to send mbus frame.\n", __PRETTY_FUNCTION__);
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mbus_frame_free(frame);
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mbus_frame_free(frame);
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retval = -1;
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return -1;
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}
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}
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//
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//
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