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+<profile id="com.cortus.builddefinitions.APS3PerProjectProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="aps3-gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="com.cortus.builddefinitions.APS3PerFileProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="makefileGenerator">\r
+<runAction arguments="-f ${project_name}_scd.mk" command="aps3-make" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<scannerConfigBuildInfo instanceId="aps.managedbuild.project.exe.config.debug.77227718;aps.managedbuild.project.exe.config.debug.77227718.;aps.managedbuild.toolchain.c.compiler.320865439;aps.managedbuild.tool.c.compiler.input.846359435">\r
+<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="com.cortus.builddefinitions.APS3PerProjectProfile"/>\r
+<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerFileProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="makefileGenerator">\r
+<runAction arguments="-f ${project_name}_scd.mk" command="make" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileCPP">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileC">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="com.cortus.builddefinitions.APS3PerProjectProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="specsFile">\r
+<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="aps3-gcc" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+<profile id="com.cortus.builddefinitions.APS3PerFileProfile">\r
+<buildOutputProvider>\r
+<openAction enabled="true" filePath=""/>\r
+<parser enabled="true"/>\r
+</buildOutputProvider>\r
+<scannerInfoProvider id="makefileGenerator">\r
+<runAction arguments="-f ${project_name}_scd.mk" command="aps3-make" useDefault="true"/>\r
+<parser enabled="true"/>\r
+</scannerInfoProvider>\r
+</profile>\r
+</scannerConfigBuildInfo>\r
+</storageModule>\r
+<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>\r
+<storageModule moduleId="org.eclipse.cdt.core.language.mapping"/>\r
+<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>\r
+</cconfiguration>\r
+</storageModule>\r
+<storageModule moduleId="cdtBuildSystem" version="4.0.0">\r
+<project id="FreeRTOS.aps.managedbuild.project.exe.331027925" name="APS3 Executable project" projectType="aps.managedbuild.project.exe"/>\r
+</storageModule>\r
+</cproject>\r
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>\r
+<projectDescription>\r
+ <name>FreeRTOS</name>\r
+ <comment></comment>\r
+ <projects>\r
+ </projects>\r
+ <buildSpec>\r
+ <buildCommand>\r
+ <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>\r
+ <triggers>clean,full,incremental,</triggers>\r
+ <arguments>\r
+ <dictionary>\r
+ <key>?name?</key>\r
+ <value></value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.append_environment</key>\r
+ <value>true</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.autoBuildTarget</key>\r
+ <value>all</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.buildArguments</key>\r
+ <value></value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.buildCommand</key>\r
+ <value>aps3-make</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.buildLocation</key>\r
+ <value>${workspace_loc:/FreeRTOS/Debug}</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.cleanBuildTarget</key>\r
+ <value>clean</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.contents</key>\r
+ <value>org.eclipse.cdt.make.core.activeConfigSettings</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.enableAutoBuild</key>\r
+ <value>false</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.enableCleanBuild</key>\r
+ <value>true</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.enableFullBuild</key>\r
+ <value>true</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.fullBuildTarget</key>\r
+ <value>all</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.stopOnError</key>\r
+ <value>true</value>\r
+ </dictionary>\r
+ <dictionary>\r
+ <key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>\r
+ <value>true</value>\r
+ </dictionary>\r
+ </arguments>\r
+ </buildCommand>\r
+ <buildCommand>\r
+ <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>\r
+ <arguments>\r
+ </arguments>\r
+ </buildCommand>\r
+ </buildSpec>\r
+ <natures>\r
+ <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>\r
+ <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>\r
+ <nature>org.eclipse.cdt.core.cnature</nature>\r
+ </natures>\r
+</projectDescription>\r
--- /dev/null
+REM This file should be executed from the command line prior to the first\r
+REM build. It will be necessary to refresh the Eclipse project once the\r
+REM .bat file has been executed (normally just press F5 to refresh).\r
+\r
+REM Copies all the required files from their location within the standard\r
+REM FreeRTOS directory structure to under the Eclipse project directory.\r
+REM This permits the Eclipse project to be used in 'managed' mode and without\r
+REM having to setup any linked resources.\r
+\r
+REM Have the files already been copied?\r
+IF EXIST Source Goto END\r
+\r
+ REM Create the required directory structure.\r
+ MD Source\r
+ MD Source\include \r
+ MD Source\portable\GCC\CORTUS_APS3\r
+ MD Source\portable\MemMang \r
+ MD Demo\Common\r
+ MD Demo\Common\include\r
+ \r
+ REM Copy the core kernel files.\r
+ copy ..\..\Source\*.* Source\r
+ \r
+ REM Copy the common header files\r
+ copy ..\..\Source\include\*.* Source\include\r
+ \r
+ REM Copy the portable layer files\r
+ copy ..\..\Source\portable\GCC\CORTUS_APS3\*.* Source\portable\GCC\CORTUS_APS3\r
+ \r
+ REM Copy the basic memory allocation files\r
+ copy ..\..\Source\portable\MemMang\heap_2.c Source\portable\MemMang\r
+\r
+ REM Copy the files that define the common demo tasks.\r
+ copy ..\common\Minimal\BlockQ.c Demo\Common\r
+ copy ..\common\Minimal\comtest.c Demo\Common\r
+ copy ..\common\Minimal\dynamic.c Demo\Common\r
+ copy ..\common\Minimal\flash.c Demo\Common\r
+ copy ..\common\Minimal\integer.c Demo\Common\r
+ copy ..\common\Minimal\PollQ.c Demo\Common\r
+ copy ..\common\Minimal\semtest.c Demo\Common\r
+ \r
+ REM Copy the common demo file headers.\r
+ copy ..\common\include\*.* Demo\Common\include\r
+ \r
+: END\r
--- /dev/null
+/*\r
+ FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * If you are: *\r
+ * *\r
+ * + New to FreeRTOS, *\r
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *\r
+ * + Looking for basic training, *\r
+ * + Wanting to improve your FreeRTOS skills and productivity *\r
+ * *\r
+ * then take a look at the FreeRTOS eBook *\r
+ * *\r
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * A pdf reference manual is also available. Both are usually delivered *\r
+ * to your inbox within 20 minutes to two hours when purchased between 8am *\r
+ * and 8pm GMT (although please allow up to 24 hours in case of *\r
+ * exceptional circumstances). Thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\r
+ FreeRTOS is free software; you can redistribute it and/or modify it under\r
+ the terms of the GNU General Public License (version 2) as published by the\r
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
+ ***NOTE*** The exception to the GPL is included to allow you to distribute\r
+ a combined work that includes FreeRTOS without being obliged to provide the\r
+ source code for proprietary components outside of the FreeRTOS kernel.\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
+ more details. You should have received a copy of the GNU General Public \r
+ License and the FreeRTOS license exception along with FreeRTOS; if not it \r
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained \r
+ by writing to Richard Barry, contact details for whom are available on the\r
+ FreeRTOS WEB site.\r
+\r
+ 1 tab == 4 spaces!\r
+\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and\r
+ contact details.\r
+\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety\r
+ critical systems.\r
+\r
+ http://www.OpenRTOS.com - Commercial support, development, porting,\r
+ licensing and training services.\r
+*/\r
+\r
+#include <stdlib.h>\r
+\r
+/* Scheduler include files. */\r
+#include "FreeRTOS.h"\r
+#include "task.h"\r
+\r
+/* Demo program include files. */\r
+#include "7seg.h"\r
+#include "demoGpio.h"\r
+\r
+#define x7segSTACK_SIZE configMINIMAL_STACK_SIZE\r
+\r
+static portTASK_FUNCTION_PROTO( vRefreshTask, pvParameters );\r
+static portTASK_FUNCTION_PROTO( vCountTask, pvParameters );\r
+\r
+void vStart7SegTasks( unsigned portBASE_TYPE uxPriority )\r
+{\r
+ xTaskCreate (vRefreshTask, ( signed char * ) "7SegRefresh", x7segSTACK_SIZE, NULL, uxPriority, ( xTaskHandle *) NULL );\r
+ xTaskCreate (vCountTask, ( signed char * ) "7SegCount", x7segSTACK_SIZE, NULL, uxPriority, ( xTaskHandle *) NULL );\r
+}\r
+\r
+/* Value to output to 7 segment display \r
+led_digits[0] is the right most digit */\r
+static signed char seg7_digits[4];\r
+\r
+static portTASK_FUNCTION_PROTO( vRefreshTask, pvParameters )\r
+{\r
+/* This is table 3.3 from the Spartan-3 Starter Kit board user guide */\r
+const unsigned char bits[16] = {\r
+ 0x01,\r
+ 0x4f,\r
+ 0x12,\r
+ 0x06,\r
+ 0x4c,\r
+ 0x24,\r
+ 0x20,\r
+ 0x0f,\r
+ 0x00,\r
+ 0x04,\r
+ 0x08,\r
+ 0x60,\r
+ 0x31,\r
+ 0x42,\r
+ 0x30,\r
+ 0x38\r
+};\r
+\r
+const unsigned char apsx[4] = {\r
+ 0x06, /* 3 */\r
+ 0x24, /* S */\r
+ 0x18, /* P */\r
+ 0x08 /* A */\r
+};\r
+ \r
+portTickType xRefreshRate, xLastRefreshTime;\r
+\r
+/* Digit to scan */\r
+static int d = 0;\r
+\r
+ xRefreshRate = 2;\r
+\r
+ /* We need to initialise xLastRefreshTime prior to the first call to \r
+ vTaskDelayUntil(). */\r
+ xLastRefreshTime = xTaskGetTickCount();\r
+\r
+ for (;;)\r
+ {\r
+ for (d = 0; d < 4; d++)\r
+ {\r
+ vTaskDelayUntil ( &xLastRefreshTime, xRefreshRate);\r
+ \r
+ /* Display digit */\r
+ gpio->out.an = -1;\r
+ if (seg7_digits[1] == 4 || seg7_digits[1] == 5) {\r
+ gpio->out.digit = apsx[d];\r
+ } else {\r
+ gpio->out.digit = bits[seg7_digits[d]];\r
+ }\r
+ gpio->out.dp = 1;\r
+ gpio->out.an = ~(1 << d);\r
+ }\r
+ }\r
+}\r
+\r
+\r
+\r
+static portTASK_FUNCTION_PROTO( vCountTask, pvParameters )\r
+{\r
+portTickType xCountRate, xLastCountTime;\r
+\r
+\r
+ /* Approximately 20HZ */\r
+ xCountRate = configTICK_RATE_HZ/20;\r
+\r
+ /* We need to initialise xLastCountTime prior to the first call to \r
+ vTaskDelayUntil(). */\r
+ xLastCountTime = xTaskGetTickCount();\r
+\r
+ for (;;)\r
+ {\r
+ vTaskDelayUntil ( &xLastCountTime, xCountRate);\r
+ \r
+ /* Really ugly way to do BCD arithmetic.... */\r
+ seg7_digits[0] -= 1;\r
+ if (seg7_digits[0] < 0) {\r
+ seg7_digits[0] = 9;\r
+ seg7_digits[1] -= 1;\r
+ if (seg7_digits[1] < 0) {\r
+ seg7_digits[1] = 9;\r
+ seg7_digits[2] -= 1;\r
+ if (seg7_digits[2] < 0) {\r
+ seg7_digits[2] = 9;\r
+ seg7_digits[3] -= 1;\r
+ if (seg7_digits[3] < 0) {\r
+ seg7_digits[3] = 9;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
+// Local Variables:\r
+// tab-width:4\r
+// End:\r
--- /dev/null
+/*\r
+ FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * If you are: *\r
+ * *\r
+ * + New to FreeRTOS, *\r
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *\r
+ * + Looking for basic training, *\r
+ * + Wanting to improve your FreeRTOS skills and productivity *\r
+ * *\r
+ * then take a look at the FreeRTOS eBook *\r
+ * *\r
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * A pdf reference manual is also available. Both are usually delivered *\r
+ * to your inbox within 20 minutes to two hours when purchased between 8am *\r
+ * and 8pm GMT (although please allow up to 24 hours in case of *\r
+ * exceptional circumstances). Thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\r
+ FreeRTOS is free software; you can redistribute it and/or modify it under\r
+ the terms of the GNU General Public License (version 2) as published by the\r
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
+ ***NOTE*** The exception to the GPL is included to allow you to distribute\r
+ a combined work that includes FreeRTOS without being obliged to provide the\r
+ source code for proprietary components outside of the FreeRTOS kernel.\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
+ more details. You should have received a copy of the GNU General Public \r
+ License and the FreeRTOS license exception along with FreeRTOS; if not it \r
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained \r
+ by writing to Richard Barry, contact details for whom are available on the\r
+ FreeRTOS WEB site.\r
+\r
+ 1 tab == 4 spaces!\r
+\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and\r
+ contact details.\r
+\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety\r
+ critical systems.\r
+\r
+ http://www.OpenRTOS.com - Commercial support, development, porting,\r
+ licensing and training services.\r
+*/\r
+\r
+#ifndef SEVENSEG_H\r
+#define SEVENSEG_H\r
+\r
+void vStart7SegTasks( unsigned portBASE_TYPE uxPriority );\r
+\r
+#endif\r
+\r
--- /dev/null
+/*
+ FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+#include <machine/sfradr.h>
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ */
+
+/*----------------------------------------------------------*/
+
+#define configUSE_PREEMPTION 1
+#define configUSE_IDLE_HOOK 0
+#define configUSE_TICK_HOOK 0
+#define configCPU_CLOCK_HZ ( ( unsigned long ) CLOCK_FREQUENCY )
+#define configTICK_RATE_HZ ( ( portTickType ) 1000 )
+#define configMAX_PRIORITIES ( ( unsigned portBASE_TYPE ) 5 )
+#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 128 )
+#define configTOTAL_HEAP_SIZE ( ( size_t ) ( 32 * 1024 ) )
+#define configMAX_TASK_NAME_LEN ( 16 )
+#define configUSE_TRACE_FACILITY 0
+#define configUSE_16_BIT_TICKS 0
+#define configIDLE_SHOULD_YIELD 0
+#define configUSE_MALLOC_FAILED_HOOK 1
+#define configCHECK_FOR_STACK_OVERFLOW 1
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES 0
+#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )
+
+/* Set the following definitions to 1 to include the API function, or zero
+to exclude the API function.
+We use --gc-sections when linking, so there is no harm is setting all of these to 1 */
+
+#define INCLUDE_vTaskPrioritySet 1
+#define INCLUDE_uxTaskPriorityGet 1
+#define INCLUDE_vTaskDelete 1
+#define INCLUDE_vTaskCleanUpResources 1
+#define INCLUDE_vTaskSuspend 1
+#define INCLUDE_vTaskDelayUntil 1
+#define INCLUDE_vTaskDelay 1
+
+#define BLOCKQ_1 1
+
+#endif /* FREERTOS_CONFIG_H */
+
+// Local Variables:
+// tab-width:4
+// End:
--- /dev/null
+/*
+ FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+/* Scheduler includes. */
+#include "FreeRTOS.h"
+#include "portable.h"
+
+/* Demo app includes. */
+#include "partest.h"
+#include "demoGpio.h"
+
+#define partstNUM_LEDS ( 8 )
+#define partstALL_OUTPUTS_OFF ( ( unsigned long ) ~(0xFFFFFFFF << partstNUM_LEDS) )
+
+static unsigned long ulLEDReg;
+
+/*-----------------------------------------------------------
+ * Simple parallel port IO routines.
+ *-----------------------------------------------------------*/
+
+static void SetLeds (unsigned int leds)
+{
+ gpio->out.leds = leds;
+}
+
+/*-----------------------------------------------------------*/
+
+void vParTestInitialise( void )
+{
+ gpio->dir.leds = 0xff;
+}
+
+/*-----------------------------------------------------------*/
+
+void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
+{
+ /* Switch an LED on or off as requested. */
+ if (uxLED < partstNUM_LEDS)
+ {
+ if( xValue )
+ {
+ ulLEDReg &= ~( 1 << uxLED );
+ }
+ else
+ {
+ ulLEDReg |= ( 1 << uxLED );
+ }
+
+ SetLeds( ulLEDReg );
+ }
+}
+/*-----------------------------------------------------------*/
+
+void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
+{
+ /* Toggle the state of the requested LED. */
+ if (uxLED < partstNUM_LEDS)
+ {
+ ulLEDReg ^= ( 1 << uxLED );
+ SetLeds( ulLEDReg );
+ }
+}
+
--- /dev/null
+/*\r
+ FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.\r
+\r
+ ***************************************************************************\r
+ * *\r
+ * If you are: *\r
+ * *\r
+ * + New to FreeRTOS, *\r
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *\r
+ * + Looking for basic training, *\r
+ * + Wanting to improve your FreeRTOS skills and productivity *\r
+ * *\r
+ * then take a look at the FreeRTOS eBook *\r
+ * *\r
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *\r
+ * http://www.FreeRTOS.org/Documentation *\r
+ * *\r
+ * A pdf reference manual is also available. Both are usually delivered *\r
+ * to your inbox within 20 minutes to two hours when purchased between 8am *\r
+ * and 8pm GMT (although please allow up to 24 hours in case of *\r
+ * exceptional circumstances). Thank you for your support! *\r
+ * *\r
+ ***************************************************************************\r
+\r
+ This file is part of the FreeRTOS distribution.\r
+\r
+ FreeRTOS is free software; you can redistribute it and/or modify it under\r
+ the terms of the GNU General Public License (version 2) as published by the\r
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.\r
+ ***NOTE*** The exception to the GPL is included to allow you to distribute\r
+ a combined work that includes FreeRTOS without being obliged to provide the\r
+ source code for proprietary components outside of the FreeRTOS kernel.\r
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT\r
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or\r
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for\r
+ more details. You should have received a copy of the GNU General Public \r
+ License and the FreeRTOS license exception along with FreeRTOS; if not it \r
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained \r
+ by writing to Richard Barry, contact details for whom are available on the\r
+ FreeRTOS WEB site.\r
+\r
+ 1 tab == 4 spaces!\r
+\r
+ http://www.FreeRTOS.org - Documentation, latest information, license and\r
+ contact details.\r
+\r
+ http://www.SafeRTOS.com - A version that is certified for use in safety\r
+ critical systems.\r
+\r
+ http://www.OpenRTOS.com - Commercial support, development, porting,\r
+ licensing and training services.\r
+*/\r
+\r
+/* Layout of pins connected to GPIO on Xilinx FPGA evaluation board \r
+*/\r
+\r
+#include <machine/sfradr.h>\r
+\r
+#ifndef DEMOGPIO_H\r
+#define DEMOGPIO_H\r
+\r
+typedef struct DemoBoardGpioPins\r
+{\r
+ /* Leds on board */\r
+ unsigned leds:8;\r
+ \r
+ /* 7 segment display */\r
+ unsigned digit:7;\r
+\r
+ /* Decimal point */\r
+ unsigned dp:1;\r
+\r
+ /* Select anode for digit and decimal pt to light up */\r
+ unsigned an:4;\r
+\r
+ /* Unused */\r
+ unsigned _fill:12;\r
+\r
+} DemoBoardGpioPins;\r
+\r
+typedef struct DemoBoardGpio\r
+{\r
+ volatile DemoBoardGpioPins out;\r
+ volatile DemoBoardGpioPins in;\r
+ volatile DemoBoardGpioPins dir;\r
+ volatile unsigned _fill;\r
+} DemoBoardGpio;\r
+\r
+#ifdef SFRADR_GPIO1\r
+#define gpio ((DemoBoardGpio*)SFRADR_GPIO1)\r
+#endif\r
+\r
+#endif\r
+\r
+// Local Variables:\r
+// tab-width:4\r
+// End:\r
--- /dev/null
+/*
+ FreeRTOS V6.0.4 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+/*
+ * Creates all the demo application tasks, then starts the scheduler.
+ *
+ * Main.c also creates a task called "Check". This only executes every three
+ * seconds but has the highest priority so is guaranteed to get processor time.
+ * Its main function is to check that all the other tasks are still operational.
+ * Each task (other than the "flash" tasks) maintains a unique count that is
+ * incremented each time the task successfully completes its function. Should
+ * any error occur within such a task the count is permanently halted. The
+ * check task inspects the count of each task to ensure it has changed since
+ * the last time the check task executed. If all the count variables have
+ * changed all the tasks are still executing error free, and the check task
+ * toggles the on board LED. Should any task contain an error at any time
+ * the LED toggle rate will change from 3 seconds to 500ms.
+ *
+ * NOTE: The demo application includes tasks that send and receive characters
+ * over the UART. The characters sent by one task are received by another -
+ * with an error condition being flagged should any characters be missed or
+ * received out of order. A loopback connector is required on the 9way D socket
+ * for this mechanism to operation (pins 2 and 3 the socket should be connected
+ * together - a paper clip is normally sufficient).
+ *
+ */
+
+/* Standard includes. */
+#include <stdlib.h>
+#include <string.h>
+
+/* Scheduler includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+
+/* Demo application includes. */
+#include "partest.h"
+#include "flash.h"
+#include "integer.h"
+#include "PollQ.h"
+#include "comtest2.h"
+#include "semtest.h"
+#include "flop.h"
+#include "dynamic.h"
+#include "BlockQ.h"
+#include "serial.h"
+#include "demoGpio.h"
+#include "7seg.h"
+
+/*-----------------------------------------------------------*/
+
+/* Constants for the ComTest tasks. */
+#define mainCOM_TEST_BAUD_RATE ( ( unsigned long ) 115200 )
+#define mainCOM_TEST_LED ( 5 )
+
+/* Priorities for the demo application tasks. */
+#define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )
+#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 2 )
+#define mainQUEUE_POLL_PRIORITY ( tskIDLE_PRIORITY + 2 )
+#define mainCHECK_TASK_PRIORITY ( tskIDLE_PRIORITY + 4 )
+#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )
+#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )
+#define main7SEG_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
+
+/* The rate at which the on board LED will toggle when there is/is not an
+error. */
+#define mainNO_ERROR_FLASH_PERIOD ( ( portTickType ) 3000 / portTICK_RATE_MS )
+#define mainERROR_FLASH_PERIOD ( ( portTickType ) 500 / portTICK_RATE_MS )
+#define mainON_BOARD_LED_BIT ( ( unsigned long ) 7 )
+
+/* The size of the memory blocks allocated by the vMemCheckTask() task. */
+#define mainMEM_CHECK_SIZE_1 ( ( size_t ) 51 )
+#define mainMEM_CHECK_SIZE_2 ( ( size_t ) 52 )
+#define mainMEM_CHECK_SIZE_3 ( ( size_t ) 151 )
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Checks that all the demo application tasks are still executing without error
+ * - as described at the top of the file.
+ */
+static long prvCheckOtherTasksAreStillRunning( void );
+
+/*
+ * The task that executes at the highest priority and calls
+ * prvCheckOtherTasksAreStillRunning(). See the description at the top
+ * of the file.
+ */
+static void vErrorChecks( void *pvParameters );
+
+/*
+ * Configure the processor for use with the Olimex demo board. This includes
+ * setup for the I/O, system clock, and access timings.
+ */
+static void prvSetupHardware( void );
+
+/*-----------------------------------------------------------*/
+
+/*
+ * Starts all the other tasks, then starts the scheduler.
+ */
+int main( void )
+{
+ /* Setup the hardware for use with the Xilinx evaluation board. */
+ prvSetupHardware();
+
+ /* Start the demo/test application tasks. */
+ vStartIntegerMathTasks( tskIDLE_PRIORITY );
+ vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainCOM_TEST_BAUD_RATE, mainCOM_TEST_LED );
+ vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
+ vStartPolledQueueTasks( mainQUEUE_POLL_PRIORITY );
+ vStartSemaphoreTasks( mainSEM_TEST_PRIORITY );
+ vStartDynamicPriorityTasks();
+ vStartBlockingQueueTasks( mainBLOCK_Q_PRIORITY );
+ vStart7SegTasks( main7SEG_TASK_PRIORITY );
+
+ /* Start the check task - which is defined in this file. */
+ xTaskCreate( vErrorChecks, ( signed char * ) "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
+
+ /* Now all the tasks have been started - start the scheduler. */
+ vTaskStartScheduler();
+
+ /* Should never reach here! */
+ for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+static void vErrorChecks( void *pvParameters )
+{
+portTickType xDelayPeriod = mainNO_ERROR_FLASH_PERIOD;
+
+ /* Just to stop compiler warnings. */
+ ( void ) pvParameters;
+
+ /* Cycle for ever, delaying then checking all the other tasks are still
+ operating without error. If an error is detected then the delay period
+ is decreased from mainNO_ERROR_FLASH_PERIOD to mainERROR_FLASH_PERIOD so
+ the on board LED flash rate will increase. */
+
+ for( ;; )
+ {
+ /* Delay until it is time to execute again. */
+ vTaskDelay( xDelayPeriod );
+
+ /* Check all the standard demo application tasks are executing without
+ error. */
+ if( prvCheckOtherTasksAreStillRunning() != pdPASS )
+ {
+ /* An error has been detected in one of the tasks - flash faster. */
+ xDelayPeriod = mainERROR_FLASH_PERIOD;
+ }
+
+ /* The toggle rate of the LED depends on how long this task delays for.
+ An error reduces the delay period and so increases the toggle rate. */
+ vParTestToggleLED( mainON_BOARD_LED_BIT );
+ }
+}
+/*-----------------------------------------------------------*/
+
+static void prvSetupHardware( void )
+{
+ /* Initialise LED outputs. */
+ vParTestInitialise();
+}
+/*-----------------------------------------------------------*/
+
+static long prvCheckOtherTasksAreStillRunning( void )
+{
+long lReturn = pdPASS;
+
+ /* Check all the demo tasks (other than the flash tasks) to ensure
+ that they are all still running, and that none of them have detected
+ an error. */
+
+ if( xAreIntegerMathsTaskStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ if( xAreComTestTasksStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ if( xArePollingQueuesStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ if( xAreSemaphoreTasksStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ if( xAreDynamicPriorityTasksStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ if( xAreBlockingQueuesStillRunning() != pdTRUE )
+ {
+ lReturn = pdFAIL;
+ }
+
+ return lReturn;
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName )
+{
+ /* This function will be called if a task overflows its stack. Inspect
+ pxCurrentTCB to find the offending task if the overflow was sever enough
+ to corrupt the pcTaskName parameter. */
+ vParTestSetLED( 4, 1 );
+ for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+void vApplicationMallocFailedHook( void )
+{
+ /* This function will be called if a call to pvPortMalloc() fails to return
+ the requested memory. pvPortMalloc() is called internally by the scheduler
+ whenever a task, queue or semaphore is created. */
+ vParTestSetLED( 4, 1 );
+ for( ;; );
+}
+/*-----------------------------------------------------------*/
+
+
+
--- /dev/null
+/*
+ FreeRTOS V6.0.3 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+ ***************************************************************************
+ * *
+ * If you are: *
+ * *
+ * + New to FreeRTOS, *
+ * + Wanting to learn FreeRTOS or multitasking in general quickly *
+ * + Looking for basic training, *
+ * + Wanting to improve your FreeRTOS skills and productivity *
+ * *
+ * then take a look at the FreeRTOS eBook *
+ * *
+ * "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
+ * http://www.FreeRTOS.org/Documentation *
+ * *
+ * A pdf reference manual is also available. Both are usually delivered *
+ * to your inbox within 20 minutes to two hours when purchased between 8am *
+ * and 8pm GMT (although please allow up to 24 hours in case of *
+ * exceptional circumstances). Thank you for your support! *
+ * *
+ ***************************************************************************
+
+ This file is part of the FreeRTOS distribution.
+
+ FreeRTOS is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License (version 2) as published by the
+ Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
+ ***NOTE*** The exception to the GPL is included to allow you to distribute
+ a combined work that includes FreeRTOS without being obliged to provide the
+ source code for proprietary components outside of the FreeRTOS kernel.
+ FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ more details. You should have received a copy of the GNU General Public
+ License and the FreeRTOS license exception along with FreeRTOS; if not it
+ can be viewed here: http://www.freertos.org/a00114.html and also obtained
+ by writing to Richard Barry, contact details for whom are available on the
+ FreeRTOS WEB site.
+
+ 1 tab == 4 spaces!
+
+ http://www.FreeRTOS.org - Documentation, latest information, license and
+ contact details.
+
+ http://www.SafeRTOS.com - A version that is certified for use in safety
+ critical systems.
+
+ http://www.OpenRTOS.com - Commercial support, development, porting,
+ licensing and training services.
+*/
+
+/* Basic interrupt driven serial port driver for uart1.
+*/
+
+/* Standard includes. */
+#include <stdlib.h>
+
+/* Kernel includes. */
+#include "FreeRTOS.h"
+#include "queue.h"
+#include "task.h"
+
+/* Demo application includes. */
+#include <machine/uart.h>
+#include <machine/ic.h>
+#include "serial.h"
+/*-----------------------------------------------------------*/
+
+#define COM_BLOCK_RETRYTIME 10
+/*-----------------------------------------------------------*/
+
+void vUARTInterruptHandlerTxWrapper(void) __attribute((naked));
+void vUARTInterruptHandlerRxWrapper(void) __attribute((naked));
+/*-----------------------------------------------------------*/
+
+/* Queues used to hold received characters, and characters waiting to be
+transmitted. */
+static xQueueHandle xRxedChars;
+static xQueueHandle xCharsForTx;
+extern unsigned portBASE_TYPE *pxVectorTable;
+/*-----------------------------------------------------------*/
+
+xComPortHandle xSerialPortInitMinimal( unsigned long ulWantedBaud, unsigned portBASE_TYPE uxQueueLength )
+{
+ /* Create the queues used to hold Rx and Tx characters. */
+ xRxedChars = xQueueCreate( uxQueueLength, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
+ xCharsForTx = xQueueCreate( uxQueueLength + 1, ( unsigned portBASE_TYPE ) sizeof( signed char ) );
+
+ if( ( xRxedChars ) && ( xCharsForTx ) )
+ {
+ /* Set up interrupts */
+ /* tx interrupt will be enabled when we need to send something */
+ uart1->tx_mask = 0;
+ uart1->rx_mask = 1;
+ irq[IRQ_UART1_TX].ien = 1;
+ irq[IRQ_UART1_TX].ipl = portSYSTEM_INTERRUPT_PRIORITY_LEVEL;
+ irq[IRQ_UART1_RX].ien = 1;
+ irq[IRQ_UART1_RX].ipl = portSYSTEM_INTERRUPT_PRIORITY_LEVEL;
+ }
+ return ( xComPortHandle ) 0;
+}
+/*-----------------------------------------------------------*/
+
+signed portBASE_TYPE xSerialGetChar( xComPortHandle pxPort, signed char *pcRxedChar, portTickType xBlockTime )
+{
+ /* The port handle is not required as this driver only supports uart1. */
+ (void) pxPort;
+
+ /* Get the next character from the buffer. Return false if no characters
+ are available, or arrive before xBlockTime expires. */
+ if( xQueueReceive( xRxedChars, pcRxedChar, xBlockTime ) )
+ {
+ return pdTRUE;
+ }
+ else
+ {
+ return pdFALSE;
+ }
+}
+
+/*-----------------------------------------------------------*/
+
+void vSerialPutString( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength )
+{
+ int i;
+ signed char *pChNext;
+
+ /* Send each character in the string, one at a time. */
+ pChNext = ( signed char * )pcString;
+ for( i = 0; i < usStringLength; i++ )
+ {
+ /* Block until character has been transmitted. */
+ while( xSerialPutChar( pxPort, *pChNext, COM_BLOCK_RETRYTIME ) != pdTRUE ); pChNext++;
+ }
+}
+
+/*-----------------------------------------------------------*/
+
+signed portBASE_TYPE xSerialPutChar( xComPortHandle pxPort, signed char cOutChar, portTickType xBlockTime )
+{
+ ( void ) pxPort;
+
+ /* Place the character in the queue of characters to be transmitted. */
+ if( xQueueSend( xCharsForTx, &cOutChar, xBlockTime ) != pdPASS )
+ {
+ return pdFAIL;
+ }
+
+ /* Turn on the Tx interrupt so the ISR will remove the character from the
+ queue and send it. This does not need to be in a critical section as
+ if the interrupt has already removed the character the next interrupt
+ will simply turn off the Tx interrupt again. */
+ uart1->tx_mask = 1;
+
+ return pdPASS;
+}
+/*-----------------------------------------------------------*/
+
+void vSerialClose( xComPortHandle xPort )
+{
+ /* Not supported as not required by the demo application. */
+ ( void ) xPort;
+}
+/*-----------------------------------------------------------*/
+
+void interrupt_handler( IRQ_UART1_TX )
+{
+static signed char cChar;
+static portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
+
+ portSAVE_CONTEXT_REDUCED();
+
+ /* The interrupt was caused by the transmit fifo having space for at least one
+ character. Are there any more characters to transmit? */
+ if( xQueueReceiveFromISR( xCharsForTx, &cChar, &xHigherPriorityTaskWoken ) == pdTRUE )
+ {
+ /* A character was retrieved from the queue so can be sent to the uart now. */
+ uart1->tx_data = cChar;
+ }
+ else
+ {
+ /* Queue empty, nothing to send so turn off the Tx interrupt. */
+ uart1->tx_mask = 0;
+ }
+
+ /* If an event caused a task to unblock then we call "Yield from ISR" to
+ ensure that the unblocked task is the task that executes when the interrupt
+ completes if the unblocked task has a priority higher than the interrupted
+ task. */
+ if( xHigherPriorityTaskWoken )
+ {
+ portYIELD_FROM_ISR();
+ }
+ portRESTORE_CONTEXT_REDUCED();
+}
+/*-----------------------------------------------------------*/
+
+void interrupt_handler( IRQ_UART1_RX )
+{
+static signed char cChar;
+static portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;
+
+ portSAVE_CONTEXT_REDUCED();
+
+ /* The interrupt was caused by the receiver getting data. */
+ cChar = uart1->rx_data;
+
+ (void)xQueueSendFromISR(xRxedChars, &cChar, &xHigherPriorityTaskWoken);
+
+ /* If an event caused a task to unblock then we call "Yield from ISR" to
+ ensure that the unblocked task is the task that executes when the interrupt
+ completes if the unblocked task has a priority higher than the interrupted
+ task. */
+ if( xHigherPriorityTaskWoken )
+ {
+ portYIELD_FROM_ISR();
+ }
+
+ portRESTORE_CONTEXT_REDUCED();
+}
+/*-----------------------------------------------------------*/
+
+
projects / freertos / commitdiff