FreeCalypso > hg > fc-tourmaline
view src/g23m-aci/gdd_dio/dio_il_psi_stub.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 | fa8dc04885d8 |
children |
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/* +----------------------------------------------------------------------------- | File : dio_il_psi_stub.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_rxf.c +----------------------------------------------------------------------------- */ #ifndef DIO_IL_PSI_STUB_H #define DIO_IL_PSI_STUB_H /*==== DEFINITIONS ==========================================================*/ /* * position of Driver number - needed to retrieve driver number from device id */ #define DIO_DRV_POS 24 /*==== FUNCTIONS ============================================================*/ /* +------------------------------------------------------------------------------ | Function : psi_stub_dio_sign_callback +------------------------------------------------------------------------------ | Description : The function psi_stub_dio_sign_callback() is the callback | function of the DIO driver to indicate events of the driver. | This function is called in interrupt context. It converts the | given opcode to a signal. | | Parameters : pointer to signal | +------------------------------------------------------------------------------ */ EXTERN void psi_stub_dio_sign_callback (T_DRV_SIGNAL *SigPtr); /* +------------------------------------------------------------------------------ | Function : Test helper function to switch on/off automatic provision with | RX buffers after read. +------------------------------------------------------------------------------ */ EXTERN void psi_stub_send_rx_buf_after_read(BOOL b); /* +------------------------------------------------------------------------------ | Function : Test helper function to trigger the provision of an RX buffer | on the last used connection in the PSI STUB. +------------------------------------------------------------------------------ */ EXTERN void psi_stub_provide_rx_buf(); /* +------------------------------------------------------------------------------ | Function : Copy a DIO buffer +------------------------------------------------------------------------------ */ EXTERN void copy_dio_buf(const T_dio_buffer * buf_in, T_dio_buffer ** buf_out); /* +------------------------------------------------------------------------------ | Function : Allocate an RX buffer for PSI simulation +------------------------------------------------------------------------------ | Description : The allocated buffer has two segments: the first one has | 2 bytes (for the protocol ID), and the second one has | GDD_DIO_MTU_SIZE for the payload. +------------------------------------------------------------------------------ */ EXTERN void allocate_rx_dio_buf(T_dio_buffer ** buf_out); /* +------------------------------------------------------------------------------ | Function : General allocator for a DIO buffer +------------------------------------------------------------------------------ */ EXTERN void allocate_dio_buf(T_dio_buffer ** buf_out, const U16 seg_size[], U16 num_seg); /* +------------------------------------------------------------------------------ | Function : Free a DIO buffer and all memory associated with it. +------------------------------------------------------------------------------ */ EXTERN void free_dio_buf(T_dio_buffer ** buf); #endif /* !DIO_IL_PSI_STUB_H */