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Update to V4.5.0 files and directory structure.
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Richard Barry
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758 changed files with 53177 additions and 3139 deletions
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.4.0 - Copyright (C) 2003-2007 Richard Barry.
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FreeRTOS.org V4.5.0 - Copyright (C) 2003-2007 Richard Barry.
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This file is part of the FreeRTOS distribution.
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@ -46,27 +46,27 @@
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* documentation provides more details of the demo application tasks.
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*
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* A few tasks are created that are not part of the standard demo. These are
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* the 'LCD' task, the 'LCD Message' task, a WEB server task and the 'Check'
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* the 'LCD' task, the 'LCD Message' task, a WEB server task and the 'Check'
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* task.
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*
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* The LCD task is the only task that accesses the LCD directly, so mutual
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* exclusion is ensured. Any task wishing to display text sends the LCD task
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* a message containing a pointer to the string that should be displayed.
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* The LCD task itself just blocks on a queue waiting for such a message to
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* The LCD task itself just blocks on a queue waiting for such a message to
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* arrive - processing each in turn.
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*
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* The LCD Message task does nothing other than periodically send messages to
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* the LCD task. The messages originating from the LCD Message task are
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* the LCD task. The messages originating from the LCD Message task are
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* displayed on the top row of the LCD.
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*
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* The Check task only executes every three seconds but has the highest
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* priority so is guaranteed to get processor time. Its main function is to
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* check that all the other tasks are still operational. Most tasks maintain
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* a unique count that is incremented each time the task successfully completes
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* a cycle of its function. Should any error occur within such a task the
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* The Check task only executes every three seconds but has the highest
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* priority so is guaranteed to get processor time. Its main function is to
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* check that all the other tasks are still operational. Most tasks maintain
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* a unique count that is incremented each time the task successfully completes
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* a cycle of its function. Should any error occur within such a task the
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* count is permanently halted. The check task sets a bit in an error status
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* flag should it find any counter variable at a value that indicates an
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* error has occurred. The error flag value is converted to a string and sent
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* error has occurred. The error flag value is converted to a string and sent
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* to the LCD task for display on the bottom row on the LCD.
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*/
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@ -93,6 +93,13 @@
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#include "flop.h"
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#include "comtest2.h"
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#include "serial.h"
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#include "GenQTest.h"
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#include "QPeek.h"
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#ifdef STACK_LWIP
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#include "BasicWEB.h"
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#include "sys.h"
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#endif
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/* Priorities for the demo application tasks. */
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#define mainLED_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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@ -103,6 +110,7 @@
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#define mainCOM_TEST_PRIORITY ( tskIDLE_PRIORITY + 3 )
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#define mainLCD_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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#define mainMSG_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
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#define mainGENERIC_QUEUE_PRIORITY ( tskIDLE_PRIORITY )
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/* Delays used by the various tasks defined in this file. */
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#define mainCHECK_PERIOD ( ( portTickType ) 3000 / portTICK_RATE_MS )
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@ -145,11 +153,14 @@ static void prvSetupHardware( void );
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*/
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static void prvCheckOtherTasksAreStillRunning( void );
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/*
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* The WEB server task prototype. The task is created in this file but defined
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* elsewhere.
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*/
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extern void vuIP_Task(void *pvParameters);
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#ifdef STACK_UIP
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/*
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* The WEB server task prototype. The task is created in this file but defined
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* elsewhere. STACK_UIP is defined when the uIP stack is used in preference
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* to the lwIP stack.
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*/
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extern void vuIP_Task(void *pvParameters);
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#endif
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/*
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* The task that displays text on the LCD.
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@ -183,10 +194,9 @@ void main( void )
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/* Setup any hardware that has not already been configured by the low
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level init routines. */
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prvSetupHardware();
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/* Create the queue used to send data to the LCD task. */
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xLCDQueue = xQueueCreate( mainLCD_QUEUE_LEN, sizeof( xLCDMessage ) );
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/* Start all the standard demo application tasks. */
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vStartIntegerMathTasks( tskIDLE_PRIORITY );
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vStartLEDFlashTasks( mainLED_TASK_PRIORITY );
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@ -196,15 +206,27 @@ void main( void )
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vStartDynamicPriorityTasks();
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vStartMathTasks( tskIDLE_PRIORITY );
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vAltStartComTestTasks( mainCOM_TEST_PRIORITY, mainCOM_TEST_BAUD_RATE, mainCOM_TEST_LED );
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vStartGenericQueueTasks( mainGENERIC_QUEUE_PRIORITY );
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vStartQueuePeekTasks();
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/* Start the tasks which are defined in this file. */
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xTaskCreate( vErrorChecks, "Check", configMINIMAL_STACK_SIZE, NULL, mainCHECK_TASK_PRIORITY, NULL );
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xTaskCreate( prvLCDTask, "LCD", configMINIMAL_STACK_SIZE, ( void * ) &xLCDQueue, mainLCD_TASK_PRIORITY, NULL );
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xTaskCreate( prvLCDMessageTask, "MSG", configMINIMAL_STACK_SIZE, ( void * ) &xLCDQueue, mainMSG_TASK_PRIORITY, NULL );
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/* Finally, create the WEB server task. */
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xTaskCreate( vuIP_Task, "uIP", configMINIMAL_STACK_SIZE * 3, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
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/* Start either the uIP TCP/IP stack or the lwIP TCP/IP stack. */
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#ifdef STACK_UIP
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/* Finally, create the WEB server task. */
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xTaskCreate( vuIP_Task, "uIP", configMINIMAL_STACK_SIZE * 3, NULL, mainCHECK_TASK_PRIORITY - 1, NULL );
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#endif
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#ifdef STACK_LWIP
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/* Create the lwIP task. This uses the lwIP RTOS abstraction layer.*/
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vlwIPInit();
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sys_set_state( ( signed portCHAR * ) "httpd", lwipBASIC_SERVER_STACK_SIZE );
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sys_thread_new( vBasicWEBServer, ( void * ) NULL, basicwebWEBSERVER_PRIORITY );
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sys_set_default_state();
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#endif
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/* Start the scheduler.
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@ -226,14 +248,14 @@ static void prvSetupHardware( void )
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/* Configuration taken from the ST code.
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Set Flash banks size & address */
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FMI_BankRemapConfig( 4, 2, 0, 0x80000 );
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FMI_BankRemapConfig( 4, 2, 0, 0x80000 );
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/* FMI Waite States */
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FMI_Config( FMI_READ_WAIT_STATE_2, FMI_WRITE_WAIT_STATE_0, FMI_PWD_ENABLE, FMI_LVD_ENABLE, FMI_FREQ_HIGH );
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FMI_Config( FMI_READ_WAIT_STATE_2, FMI_WRITE_WAIT_STATE_0, FMI_PWD_ENABLE, FMI_LVD_ENABLE, FMI_FREQ_HIGH );
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/* Configure the FPLL = 96MHz, and APB to 48MHz. */
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SCU_PCLKDivisorConfig( SCU_PCLK_Div2 );
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SCU_PLLFactorsConfig( 192, 25, 2 );
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SCU_PLLFactorsConfig( 192, 25, 2 );
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SCU_PLLCmd( ENABLE );
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SCU_MCLKSourceConfig( SCU_MCLK_PLL );
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@ -269,16 +291,15 @@ portCHAR *pcStringsToDisplay[] = {
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/* The parameters are not used in this task. */
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( void ) pvParameters;
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pcFlagString = &cCheckVal[ 0 ];
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/* Initialise xLastWakeTime to ensure the first call to vTaskDelayUntil()
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functions correctly. */
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xLastWakeTime = xTaskGetTickCount();
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/* Cycle for ever, delaying then checking all the other tasks are still
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operating without error. */
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for( ;; )
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{
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/* Delay until it is time to execute again. */
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@ -339,6 +360,17 @@ static void prvCheckOtherTasksAreStillRunning( void )
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{
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ulErrorFlags |= 0x40;
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}
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if( xAreGenericQueueTasksStillRunning() != pdTRUE )
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{
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ulErrorFlags |= 0x80;
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}
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if( xAreQueuePeekTasksStillRunning() != pdTRUE )
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{
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ulErrorFlags |= 0x100;
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}
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}
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/*-----------------------------------------------------------*/
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@ -401,7 +433,7 @@ portCHAR *pcString;
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LCD_Init();
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for( ;; )
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for( ;; )
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{
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/* Wait for a message to arrive. */
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if( xQueueReceive( *pxLCDQueue, &xReceivedMessage, portMAX_DELAY ) )
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@ -411,11 +443,10 @@ portCHAR *pcString;
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LCD_DisplayString(xReceivedMessage.xRow, pcString, BlackText);
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/* The delay here is just to ensure the LCD task does not starve
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out lower priority tasks as writhing to the LCD can take a long
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out lower priority tasks as writing to the LCD can take a long
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time. */
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vTaskDelay( mainLCD_DELAY );
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}
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}
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}
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/*-----------------------------------------------------------*/
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