From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- .../FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt (limited to 'third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt') diff --git a/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt b/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt new file mode 100644 index 0000000..371a25b --- /dev/null +++ b/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/readme.txt @@ -0,0 +1,36 @@ +/* + * This project contains an application demonstrating the use of the + * FreeRTOS.org mini real time scheduler on the Luminary Micro LM3S811 Eval + * board. See http://www.FreeRTOS.org for more information. + * + * main() simply sets up the hardware, creates all the demo application tasks, + * then starts the scheduler. http://www.freertos.org/a00102.html provides + * more information on the standard demo tasks. + * + * In addition to a subset of the standard demo application tasks, main.c also + * defines the following tasks: + * + * + A 'Print' task. The print task is the only task permitted to access the + * LCD - thus ensuring mutual exclusion and consistent access to the resource. + * Other tasks do not access the LCD directly, but instead send the text they + * wish to display to the print task. The print task spends most of its time + * blocked - only waking when a message is queued for display. + * + * + A 'Button handler' task. The eval board contains a user push button that + * is configured to generate interrupts. The interrupt handler uses a + * semaphore to wake the button handler task - demonstrating how the priority + * mechanism can be used to defer interrupt processing to the task level. The + * button handler task sends a message both to the LCD (via the print task) and + * the UART where it can be viewed using a dumb terminal (via the UART to USB + * converter on the eval board). NOTES: The dumb terminal must be closed in + * order to reflash the microcontroller. A very basic interrupt driven UART + * driver is used that does not use the FIFO. 19200 baud is used. + * + * + A 'check' task. The check task only executes every five seconds but has a + * high priority so is guaranteed to get processor time. Its function is to + * check that all the other tasks are still operational and that no errors have + * been detected at any time. If no errors have every been detected 'PASS' is + * written to the display (via the print task) - if an error has ever been + * detected the message is changed to 'FAIL'. The position of the message is + * changed for each write. + */ \ No newline at end of file -- cgit v1.3.1