/*\r
- FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 Richard Barry.\r
-\r
- This file is part of the FreeRTOS.org distribution.\r
-\r
- FreeRTOS.org is free software; you can redistribute it and/or modify it\r
- under the terms of the GNU General Public License (version 2) as published\r
- by the Free Software Foundation and modified by the FreeRTOS exception.\r
- **NOTE** The exception to the GPL is included to allow you to distribute a\r
- combined work that includes FreeRTOS.org without being obliged to provide\r
- the source code for any proprietary components. Alternative commercial\r
- license and support terms are also available upon request. See the\r
- licensing section of http://www.FreeRTOS.org for full details.\r
-\r
- FreeRTOS.org 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.\r
-\r
- You should have received a copy of the GNU General Public License along\r
- with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59\r
- Temple Place, Suite 330, Boston, MA 02111-1307 USA.\r
-\r
-\r
- ***************************************************************************\r
- * *\r
- * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *\r
- * *\r
- * This is a concise, step by step, 'hands on' guide that describes both *\r
- * general multitasking concepts and FreeRTOS specifics. It presents and *\r
- * explains numerous examples that are written using the FreeRTOS API. *\r
- * Full source code for all the examples is provided in an accompanying *\r
- * .zip file. *\r
- * *\r
- ***************************************************************************\r
-\r
- 1 tab == 4 spaces!\r
-\r
- Please ensure to read the configuration and relevant port sections of the\r
- online documentation.\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
+ FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.\r
+ \r
+\r
+ ***************************************************************************\r
+ * *\r
+ * FreeRTOS tutorial books are available in pdf and paperback. *\r
+ * Complete, revised, and edited pdf reference manuals are also *\r
+ * available. *\r
+ * *\r
+ * Purchasing FreeRTOS documentation will not only help you, by *\r
+ * ensuring you get running as quickly as possible and with an *\r
+ * in-depth knowledge of how to use FreeRTOS, it will also help *\r
+ * the FreeRTOS project to continue with its mission of providing *\r
+ * professional grade, cross platform, de facto standard solutions *\r
+ * for microcontrollers - completely free of charge! *\r
+ * *\r
+ * >>> See http://www.FreeRTOS.org/Documentation for details. <<< *\r
+ * *\r
+ * Thank you for using FreeRTOS, and thank you for your support! *\r
+ * *\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 modification to the GPL is included to allow you to\r
+ distribute a combined work that includes FreeRTOS without being obliged to\r
+ provide the source code for proprietary components outside of the FreeRTOS\r
+ kernel. FreeRTOS is distributed in the hope that it will be useful, but\r
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY\r
+ or 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
\r
* In addition to the standard demo tasks, the following tasks and tests are\r
* defined and/or created within this file:\r
*\r
- * "LCD" task - the LCD task is a 'gatekeeper' task. It is the only task that\r
- * is permitted to access the display directly. Other tasks wishing to write a\r
- * message to the LCD send the message on a queue to the LCD task instead of\r
- * accessing the LCD themselves. The LCD task just blocks on the queue waiting\r
- * for messages - waking and displaying the messages as they arrive. The use\r
- * of a gatekeeper in this manner permits both tasks and interrupts to write to\r
- * the LCD without worrying about mutual exclusion. This is demonstrated by the\r
- * check hook (see below) which sends messages to the display even though it\r
- * executes from an interrupt context.\r
- *\r
* "Check" hook - This only executes fully every five seconds from the tick\r
* hook. Its main function is to check that all the standard demo tasks are\r
- * still operational. Should any unexpected behaviour be discovered within a\r
- * demo task then the tick hook will write an error to the LCD (via the LCD task).\r
- * If all the demo tasks are executing with their expected behaviour then the\r
- * check hook writes PASS to the LCD (again via the LCD task), as described above.\r
- * The check hook also toggles LED 4 each time it executes.\r
- *\r
- * LED tasks - These just demonstrate how multiple instances of a single task\r
- * definition can be created. Each LED task simply toggles an LED. The task\r
- * parameter is used to pass the number of the LED to be toggled into the task.\r
+ * still operational. The status can be viewed using on the Task Stats page\r
+ * served by the WEB server.\r
*\r
* "uIP" task - This is the task that handles the uIP stack. All TCP/IP\r
* processing is performed in this task.\r
+ * \r
+ * "USB" task - Enumerates the USB device as a CDC class, then echoes back all\r
+ * received characters with a configurable offset (for example, if the offset\r
+ * is 1 and 'A' is received then 'B' will be sent back). A dumb terminal such\r
+ * as Hyperterminal can be used to talk to the USB task.\r
*/\r
\r
-/* Standard includes. */\r
-#include <stdio.h>\r
-\r
/* Scheduler includes. */\r
#include "FreeRTOS.h"\r
#include "task.h"\r
-#include "queue.h"\r
-#include "semphr.h"\r
-\r
-/* Hardware library includes. */\r
-#include "LPC17xx_defs.h"\r
\r
/* Demo app includes. */\r
#include "BlockQ.h"\r
\r
/*-----------------------------------------------------------*/\r
\r
-/* The number of LED tasks that will be created. */\r
-#define mainNUM_LED_TASKS ( 6 )\r
-\r
/* The time between cycles of the 'check' functionality (defined within the\r
-tick hook. */\r
+tick hook). */\r
#define mainCHECK_DELAY ( ( portTickType ) 5000 / portTICK_RATE_MS )\r
\r
/* Task priorities. */\r
#define mainSEM_TEST_PRIORITY ( tskIDLE_PRIORITY + 1 )\r
#define mainBLOCK_Q_PRIORITY ( tskIDLE_PRIORITY + 2 )\r
#define mainUIP_TASK_PRIORITY ( tskIDLE_PRIORITY + 3 )\r
-#define mainLCD_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )\r
#define mainINTEGER_TASK_PRIORITY ( tskIDLE_PRIORITY )\r
#define mainGEN_QUEUE_TASK_PRIORITY ( tskIDLE_PRIORITY )\r
#define mainFLASH_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )\r
handling library calls. */\r
#define mainBASIC_WEB_STACK_SIZE ( configMINIMAL_STACK_SIZE * 4 )\r
\r
-/* The length of the queue used to send messages to the LCD task. */\r
-#define mainQUEUE_SIZE ( 3 )\r
+/* The message displayed by the WEB server when all tasks are executing\r
+without an error being reported. */\r
+#define mainPASS_STATUS_MESSAGE "All tasks are executing without error."\r
\r
-/* The task that is toggled by the check task. */\r
-#define mainCHECK_TASK_LED ( 4 )\r
/*-----------------------------------------------------------*/\r
\r
/*\r
*/\r
static void prvSetupHardware( void );\r
\r
-/*\r
- * Very simple task that toggles an LED.\r
- */\r
-static void vLEDTask( void *pvParameters );\r
-\r
/*\r
* The task that handles the uIP stack. All TCP/IP processing is performed in\r
* this task.\r
extern void vuIP_Task( void *pvParameters );\r
\r
/*\r
- * The LCD gatekeeper task as described in the comments at the top of this file.\r
- * */\r
-static void vLCDTask( void *pvParameters );\r
-\r
-/*-----------------------------------------------------------*/\r
+ * The task that handles the USB stack.\r
+ */\r
+extern void vUSBTask( void *pvParameters );\r
\r
-/* The queue used to send messages to the LCD task. */\r
-xQueueHandle xLCDQueue;\r
+/*\r
+ * Simply returns the current status message for display on served WEB pages.\r
+ */\r
+char *pcGetTaskStatusMessage( void );\r
\r
+/*-----------------------------------------------------------*/\r
\r
+/* Holds the status message displayed by the WEB server. */\r
+static char *pcStatusMessage = mainPASS_STATUS_MESSAGE;\r
\r
/*-----------------------------------------------------------*/\r
\r
int main( void )\r
{\r
-long l;\r
-\r
/* Configure the hardware for use by this demo. */\r
prvSetupHardware();\r
\r
vStartGenericQueueTasks( mainGEN_QUEUE_TASK_PRIORITY );\r
vStartQueuePeekTasks();\r
vStartRecursiveMutexTasks();\r
-\r
vStartLEDFlashTasks( mainFLASH_TASK_PRIORITY );\r
\r
+ /* Create the USB task. */\r
+ xTaskCreate( vUSBTask, ( signed char * ) "USB", configMINIMAL_STACK_SIZE, ( void * ) NULL, tskIDLE_PRIORITY, NULL );\r
+ \r
/* Create the uIP task. The WEB server runs in this task. */\r
xTaskCreate( vuIP_Task, ( signed char * ) "uIP", mainBASIC_WEB_STACK_SIZE, ( void * ) NULL, mainUIP_TASK_PRIORITY, NULL );\r
\r
- /* Create the queue used by the LCD task. Messages for display on the LCD\r
- are received via this queue. */\r
- xLCDQueue = xQueueCreate( mainQUEUE_SIZE, sizeof( xLCDMessage ) );\r
-\r
- /* Start the LCD gatekeeper task - as described in the comments at the top\r
- of this file. */\r
- xTaskCreate( vLCDTask, ( signed portCHAR * ) "LCD", configMINIMAL_STACK_SIZE * 2, NULL, mainLCD_TASK_PRIORITY, NULL );\r
-\r
/* Start the scheduler. */\r
vTaskStartScheduler();\r
\r
}\r
/*-----------------------------------------------------------*/\r
\r
-void vLCDTask( void *pvParameters )\r
-{\r
-xLCDMessage xMessage;\r
-unsigned long ulRow = 0;\r
-char cIPAddr[ 17 ]; /* To fit max IP address length of xxx.xxx.xxx.xxx\0 */\r
-\r
- ( void ) pvParameters;\r
-\r
- /* The LCD gatekeeper task as described in the comments at the top of this\r
- file. */\r
-\r
- /* Initialise the LCD and display a startup message that includes the\r
- configured IP address. */\r
- sprintf( cIPAddr, "%d.%d.%d.%d", configIP_ADDR0, configIP_ADDR1, configIP_ADDR2, configIP_ADDR3 );\r
-\r
- for( ;; )\r
- {\r
- /* Wait for a message to arrive to be displayed. */\r
- while( xQueueReceive( xLCDQueue, &xMessage, portMAX_DELAY ) != pdPASS );\r
-\r
- }\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
void vApplicationTickHook( void )\r
{\r
-static xLCDMessage xMessage = { "PASS" };\r
-static unsigned portLONG ulTicksSinceLastDisplay = 0;\r
-portBASE_TYPE xHigherPriorityTaskWoken = pdFALSE;\r
+static unsigned long ulTicksSinceLastDisplay = 0;\r
\r
/* Called from every tick interrupt as described in the comments at the top\r
of this file.\r
/* Has an error been found in any task? */\r
if( xAreGenericQueueTasksStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: GEN Q";\r
+ pcStatusMessage = "An error has been detected in the Generic Queue test/demo.";\r
}\r
else if( xAreQueuePeekTasksStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: PEEK Q";\r
+ pcStatusMessage = "An error has been detected in the Peek Queue test/demo.";\r
}\r
else if( xAreBlockingQueuesStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: BLOCK Q";\r
+ pcStatusMessage = "An error has been detected in the Block Queue test/demo.";\r
}\r
else if( xAreBlockTimeTestTasksStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: BLOCK TIME";\r
+ pcStatusMessage = "An error has been detected in the Block Time test/demo.";\r
}\r
else if( xAreSemaphoreTasksStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: SEMAPHR";\r
+ pcStatusMessage = "An error has been detected in the Semaphore test/demo.";\r
}\r
else if( xArePollingQueuesStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: POLL Q";\r
+ pcStatusMessage = "An error has been detected in the Poll Queue test/demo.";\r
}\r
else if( xAreIntegerMathsTaskStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: INT MATH";\r
+ pcStatusMessage = "An error has been detected in the Int Math test/demo.";\r
}\r
else if( xAreRecursiveMutexTasksStillRunning() != pdTRUE )\r
{\r
- xMessage.pcMessage = "ERROR: REC MUTEX";\r
+ pcStatusMessage = "An error has been detected in the Mutex test/demo.";\r
}\r
-\r
- /* Send the message to the OLED gatekeeper for display. The\r
- xHigherPriorityTaskWoken parameter is not actually used here\r
- as this function is running in the tick interrupt anyway - but\r
- it must still be supplied. */\r
- xHigherPriorityTaskWoken = pdFALSE;\r
- xQueueSendFromISR( xLCDQueue, &xMessage, &xHigherPriorityTaskWoken );\r
-\r
- /* Also toggle and LED. This can be done from here because in this port\r
- the LED toggling functions don't use critical sections. */\r
- vParTestToggleLED( mainCHECK_TASK_LED );\r
}\r
}\r
/*-----------------------------------------------------------*/\r
\r
+char *pcGetTaskStatusMessage( void )\r
+{\r
+ /* Not bothered about a critical section here. */\r
+ return pcStatusMessage;\r
+}\r
+/*-----------------------------------------------------------*/\r
+\r
void prvSetupHardware( void )\r
{\r
/* Disable peripherals power. */\r
- PCONP = 0;\r
+ SC->PCONP = 0;\r
\r
/* Enable GPIO power. */\r
- PCONP = PCONP_PCGPIO;\r
+ SC->PCONP = PCONP_PCGPIO;\r
\r
/* Disable TPIU. */\r
- PINSEL10 = 0;\r
-\r
- /* Disconnect the main PLL. */\r
- PLL0CON &= ~PLLCON_PLLC;\r
- PLL0FEED = PLLFEED_FEED1;\r
- PLL0FEED = PLLFEED_FEED2;\r
- while ((PLL0STAT & PLLSTAT_PLLC) != 0);\r
-\r
- /* Turn off the main PLL. */\r
- PLL0CON &= ~PLLCON_PLLE;\r
- PLL0FEED = PLLFEED_FEED1;\r
- PLL0FEED = PLLFEED_FEED2;\r
- while ((PLL0STAT & PLLSTAT_PLLE) != 0);\r
-\r
- /* No CPU clock divider. */\r
- CCLKCFG = 0;\r
-\r
- /* OSCEN. */\r
- SCS = 0x20;\r
- while ((SCS & 0x40) == 0);\r
-\r
- /* Use main oscillator. */\r
- CLKSRCSEL = 1;\r
- PLL0CFG = (PLLCFG_MUL16 | PLLCFG_DIV1);\r
-\r
- PLL0FEED = PLLFEED_FEED1;\r
- PLL0FEED = PLLFEED_FEED2;\r
-\r
- /* Activate the PLL by turning it on then feeding the correct\r
- sequence of bytes. */\r
- PLL0CON = PLLCON_PLLE;\r
- PLL0FEED = PLLFEED_FEED1;\r
- PLL0FEED = PLLFEED_FEED2;\r
-\r
- /* 6x CPU clock divider (64 MHz) */\r
- CCLKCFG = 5;\r
-\r
- /* Wait for the PLL to lock. */\r
- while ((PLL0STAT & PLLSTAT_PLOCK) == 0);\r
-\r
- /* Connect the PLL. */\r
- PLL0CON = PLLCON_PLLC | PLLCON_PLLE;\r
- PLL0FEED = PLLFEED_FEED1;\r
- PLL0FEED = PLLFEED_FEED2;\r
+ PINCON->PINSEL10 = 0;\r
\r
/* Setup the peripheral bus to be the same as the PLL output (64 MHz). */\r
- PCLKSEL0 = 0x05555555;\r
+ SC->PCLKSEL0 = 0x05555555;\r
\r
- /* Configure LED GPIOs as outputs. */\r
- FIO2DIR = 0xff;\r
- FIO2CLR = 0xff;\r
- FIO2MASK = 0;\r
+ /* Configure the LEDs. */\r
+ vParTestInitialise();\r
}\r
/*-----------------------------------------------------------*/\r
\r
-void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed portCHAR *pcTaskName )\r
+void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName )\r
{\r
/* This function will get called if a task overflows its stack. */\r
\r
collecting run time statistical information - basically the percentage\r
of CPU time that each task is utilising. It is called automatically when\r
the scheduler is started (assuming configGENERATE_RUN_TIME_STATS is set\r
- to 1. */\r
+ to 1). */\r
\r
/* Power up and feed the timer. */\r
- PCONP |= 0x02UL;\r
- PCLKSEL0 = (PCLKSEL0 & (~(0x3<<2))) | (0x01 << 2);\r
+ SC->PCONP |= 0x02UL;\r
+ SC->PCLKSEL0 = (SC->PCLKSEL0 & (~(0x3<<2))) | (0x01 << 2);\r
\r
/* Reset Timer 0 */\r
- T0TCR = TCR_COUNT_RESET;\r
+ TIM0->TCR = TCR_COUNT_RESET;\r
\r
/* Just count up. */\r
- T0CTCR = CTCR_CTM_TIMER;\r
+ TIM0->CTCR = CTCR_CTM_TIMER;\r
\r
/* Prescale to a frequency that is good enough to get a decent resolution,\r
but not too fast so as to overflow all the time. */\r
- T0PR = ( configCPU_CLOCK_HZ / 10000UL ) - 1UL;\r
+ TIM0->PR = ( configCPU_CLOCK_HZ / 10000UL ) - 1UL;\r
\r
/* Start the counter. */\r
- T0TCR = TCR_COUNT_ENABLE;\r
+ TIM0->TCR = TCR_COUNT_ENABLE;\r
}\r
/*-----------------------------------------------------------*/\r
\r
projects / freertos / blobdiff