FreeCalypso > hg > fc-tourmaline
annotate cdg-hybrid/sap-inline/DIO_inline.h @ 268:f2e52cab0a73
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> |
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date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | 35f7a1dc9f7d |
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1 /*** |
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2 ;******************************************************************************** |
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3 ;*** File : DIO_inline.h |
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4 ;*** Creation : Wed Mar 11 09:57:46 CST 2009 |
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5 ;*** XSLT Processor : Apache Software Foundation / http://xml.apache.org/xalan-j / supports XSLT-Ver: 1 |
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6 ;*** Copyright : (c) Texas Instruments AG, Berlin Germany 2002 |
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7 ;******************************************************************************** |
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8 ;*** Document Type : Service Access Point Specification |
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9 ;*** Document Name : DIO |
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10 ;*** Document No. : ... |
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11 ;*** Document Date : 2004-03-19 |
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12 ;*** Document Status: BEING_PROCESSED |
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13 ;*** Document Author: RM |
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14 ;******************************************************************************** |
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15 ;*** !!! THIS INCLUDE FILE WAS GENERATED AUTOMATICALLY, DO NOT MODIFY !!! |
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16 ;******************************************************************************** |
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17 ***/ |
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18 #ifndef _DIO_INLINE_H_ |
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19 #define _DIO_INLINE_H_ |
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20 |
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21 #include "gdi.h" |
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22 |
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23 |
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24 extern U16 dio_init ( void ); |
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25 |
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26 extern U16 dio_user_init ( U32 user_name, U16 drv_handle, T_DRV_CB_FUNC signal_callback ); |
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27 |
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28 extern U16 dio_user_exit ( U32 user_name ); |
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30 extern void dio_exit ( void ); |
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31 |
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32 extern U16 dio_set_rx_buffer ( U32 device, T_dio_buffer *buffer ); |
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34 extern U16 dio_read ( U32 device, T_DIO_CTRL *control_info, T_dio_buffer **buffer ); |
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36 extern U16 dio_write ( U32 device, T_DIO_CTRL *control_info, T_dio_buffer *buffer ); |
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38 extern U16 dio_get_tx_buffer ( U32 device, T_dio_buffer **buffer ); |
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40 extern U16 dio_clear ( U32 device ); |
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42 extern U16 dio_flush ( U32 device ); |
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44 extern U16 dio_get_capabilities ( U32 device, T_DIO_CAP **capabilities ); |
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46 extern U16 dio_set_config ( U32 device, T_DIO_DCB *dcb ); |
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48 extern U16 dio_get_config ( U32 device, T_DIO_DCB *dcb ); |
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49 |
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50 extern U16 dio_close_device ( U32 device ); |
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51 |
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52 |
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53 |
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55 #endif /* !_DIO_INLINE_H_ */ |