73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
Overview
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========
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The WDOG Example project is to demonstrate usage of the KSDK wdog driver.
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In this example,implemented to test the wdog.
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Please notice that because WDOG control registers are write-once only. And
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for the field WDT, once software performs a write "1" operation to this bit,
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it can not be reset/cleared until the next POR, this bit does not get reset/
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cleared due to any system reset. So the WDOG_Init function can be called
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only once after power reset when WDT set, and the WDOG_Disable function can
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be called only once after reset.
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Toolchain supported
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===================
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- IAR embedded Workbench 9.30.1
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- Keil MDK 5.37
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- GCC ARM Embedded 10.3.1
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- MCUXpresso 11.6.0
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Hardware requirements
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=====================
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- Mini/micro USB cable
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- EVK-MIMXRT1020 board
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- Personal Computer
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Board settings
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==============
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No special settings are required.
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Prepare the Demo
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================
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1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.
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2. Open a serial terminal with the following settings:
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- 115200 baud rate
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- 8 data bits
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- No parity
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- One stop bit
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- No flow control
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3. Download the program to the target board.
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4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
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Running the demo
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================
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These instructions are displayed/shown on the terminal window:
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~~~~~~~~~~~~~~~~~~~~~~~
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******** System Start ********
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System reset by: Power On Reset!
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- 1.Testing System reset by software trigger.
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******** System Start ********
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System reset by: Software Reset!
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- 2.Testing system reset by WDOG timeout.
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--- wdog Init done---
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******** System Start ********
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System reset by: Time Out Reset!
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- 3.Test the WDOG refresh function by using interrupt.
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--- wdog Init done---
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WDOG has be refreshed!
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WDOG has be refreshed!
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WDOG has be refreshed!
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~~~~~~~~~~~~~~~~~~~~~
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Note:
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To debug in qspiflash, following steps are needed:
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1. Select the flash target and compile.
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2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
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3. Start debugging in IDE.
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- Keil: Click "Download (F8)" to program the image to qspiflash first then clicking "Start/Stop Debug Session (Ctrl+F5)" to start debugging.
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