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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents fa8dc04885d8
children
line wrap: on
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/*
+-----------------------------------------------------------------------------
|  File     : gdd_dio_drxf.h
+-----------------------------------------------------------------------------
|  Copyright 2002 Texas Instruments Berlin, AG
|                 All rights reserved.
|
|                 This file is confidential and a trade secret of Texas
|                 Instruments Berlin, AG
|                 The receipt of or possession of this file does not convey
|                 any rights to reproduce or disclose its contents or to
|                 manufacture, use, or sell anything it may describe, in
|                 whole, or in part, without the specific written consent of
|                 Texas Instruments Berlin, AG.
+-----------------------------------------------------------------------------
|  Purpose  : Definitions for gdd_dio_drxf.c
+-----------------------------------------------------------------------------
*/

#ifndef GDD_DIO_DRXF_H
#define GDD_DIO_DRXF_H

/*
+------------------------------------------------------------------------------
| Function    : gdd_dio_rx_send_buffer
+------------------------------------------------------------------------------
| Description : Signal handler for GDD_DIO_SIGNAL_RECEIVE_DATA
|               This function tries to send a buffer to the client of GDD_DIO.
|
| Parameters  : con_handle   - connection handle
|               buf          - buffer
+------------------------------------------------------------------------------
*/
EXTERN void gdd_dio_drx_sig_receive_data(T_GDD_CON_HANDLE con_handle, T_dio_buffer * buf);

/*
+------------------------------------------------------------------------------
| Function    : gdd_dio_drx_ready_to_rcv
+------------------------------------------------------------------------------
| Description : Called when the client is signalling that she is ready to receive.
|
| Parameters  : con_handle   - connection handle
+------------------------------------------------------------------------------
*/
EXTERN void gdd_dio_drx_ready_to_rcv(T_GDD_CON_HANDLE  con_handle);


#endif /* !GDD_DIO_DRXF_H */