FreeCalypso > hg > fc-tourmaline
view src/cs/drivers/drv_app/r2d/r2d_refresh.c @ 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> |
---|---|
date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | 502a0a3f6a49 |
children |
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/** @file: r2d_refresh.c @author Christophe Favergeon @version 0.5 Purpose: Includes LCDs depend definitions for the refresh task (Second part of LCD APIs) */ /* Date Modification ------------------------------------ 06/02/2001 Create 10/18/2001 Version 0.5 for first integration with Riviera database (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved */ #include "rv/general.h" #include "rvf/rvf_api.h" #include "r2d/r2d_messages.h" #include "r2d/r2d_env.h" #include "r2d/lcd_messages_ti.h" #include "r2d/lcd_messages.h" #include "r2d/r2d_config.h" #include "r2d/r2d.h" #include "r2d/r2d_i.h" #ifdef _WINDOWS #include <Windows.h> #endif #include "r2d/uwire.h" extern T_RVF_MB_ID r2d_mb_id; INT16 r2d_update_ul_x,r2d_update_ul_y,r2d_update_br_x,r2d_update_br_y; #if (R2D_REFRESH == R2D_VERTICAL) UINT32 r2d_lcd_memory_words[(((R2D_WIDTH*R2D_MWHEIGHT)+1))]; #else UINT32 r2d_lcd_memory_words[(((R2D_MWWIDTH*R2D_HEIGHT)+1))]; #endif void r2d_reinit_update_region(void) { rvf_lock_mutex(r2d_g_global_mutex); //r2d_update_ul_x=0; //r2d_update_ul_y=0; //r2d_update_br_x=R2D_WIDTH-1; //r2d_update_br_y=R2D_HEIGHT-1; r2d_update_ul_x=R2D_WIDTH; r2d_update_ul_y=R2D_HEIGHT; r2d_update_br_x=-1; r2d_update_br_y=-1; rvf_unlock_mutex(r2d_g_global_mutex); } /* FreeCalypso Tourmaline: totally new approach */ #if defined(CONFIG_TARGET_LUNA) && (R2D_EMBEDDED_LCD == R2D_BOARD_DSAMPLE) #include "lcds/luna/r2d_task_i.c" #elif defined(CONFIG_TARGET_LUNA) && (R2D_EMBEDDED_LCD == R2D_BOARD_BW_DSAMPLE) #include "lcds/luna/r2d_task_i_bw.c" #elif defined(CONFIG_TARGET_LUNA) && (R2D_EMBEDDED_LCD == R2D_FB_96x64_BW) #include "lcds/luna/r2d_task_i_96x64.c" #elif defined(CONFIG_TARGET_C139) && (R2D_EMBEDDED_LCD == R2D_FB_96x64_BW) #include "lcds/c139/r2d_task_i.c" #else #error "R2D refresh selection: unsupported combination" #endif