[bsp][mchp] update README.md

1 files changed, 68 insertions, 63 deletions

diff --git a/bsp/microchip/README.md b/bsp/microchip/README.md
index fdd8f6c7f8..9bea7757be 100644
--- a/bsp/microchip/README.md
+++ b/bsp/microchip/README.md
@@ -1,23 +1,30 @@
-# 1. Microchip BSP Introduction
+# Microchip BSP
+
+## 1. Microchip BSP Introduction
 
 Supported Microchip SAM (ARM Cortex-Mx Core) MCU is as following：
 
-## ARM Cortex-M23 Series
+### ARM Cortex-M23 Series
+
 - saml10 | 3.3V Cortex-M23 with ultra low power
 - saml11 | 3.3V Cortex-M23 with ultra low power and trust-zone
 
-## ARM Cortex-M0+ Series
+### ARM Cortex-M0+ Series
+
 - samc21 | 5V Cortex-M0+ with 2 CAN-FD support
 - saml21 | 3.3V low power Cortex-M0+
 - samd21 | 3.3V industrial level Cortex-M0+
 
-## ARM Cortex-M4 Series
+### ARM Cortex-M4 Series
+
 - same54 | 3.3V 120MHz Cortex-M4F core with CAN-FD/USB/Ethernet support
 
-## ARM Cortex-M7 Series
+### ARM Cortex-M7 Series
+
 - same70 | 3.3V 300MHz Cortex-M7 core with CAN-FD/High speed USB/Ethernet support
 
-## Directory description：
+### Directory description：
+
 	* applications: 
 		* user main function entrance,
 		* driver example - like i2c, can, adc ...
@@ -29,197 +36,195 @@ Supported Microchip SAM (ARM Cortex-Mx Core) MCU is as following：
 		* MCU BSP files - startup file, peripheral drivers, configuation headers and linker script
 		* generated from start.atmel.com - DO NOT modify it
 
-# 2. RT-Thread porting guide of Microchip SAM MCU
+## 2. RT-Thread porting guide of Microchip SAM MCU
 
-## 2.1 Configure project BSP on Atmel Start
+### 2.1 Configure project BSP on Atmel Start
 
-	* Visit <https://start.atmel.com/#> and click CREATE NEW PROJECT.
+Visit <https://start.atmel.com/#> and click CREATE NEW PROJECT.
 
 ![](doc/2-1-1-atmel-start-online.png)
 
-	* Input MCU part number and then select device, click CREATE NEW PROJECT.
+Input MCU part number and then select device, click CREATE NEW PROJECT.
 
 ![](doc/2-1-2-atmel-start-newproject.png)
 
-	* Add STDIO and other driver/middleware to project.
+Add STDIO and other driver/middleware to project.
 
 ![](doc/2-1-3-atmel-start-add-STDIO.png)
 
-	* Configure STDIO driver.
+Configure STDIO driver.
 
 ![](doc/2-1-4-atmel-start-driver-stdio.png)
 
-	* Configure CAN module clock.
+Configure CAN module clock.
 
 ![](doc/2-1-5-atmel-start-can-clock.png)
 
-	* Configure CAN module driver.
+Configure CAN module driver.
 
 ![](doc/2-1-6-atmel-start-driver-can0.png)
 
 ![](doc/2-1-6-atmel-start-driver-can1.png)
 
-	* Add LED pin description.
+Add LED pin description.
 
 ![](doc/2-1-8-atmel-start-add-LED0.png)
 
-	* Rename project.
+Rename project.
 
 ![](doc/2-1-7-atmel-start-rename-project.png)
 
-	* Save project configuration.
+Save project configuration.
 
 ![](doc/2-1-9-atmel-start-save-configuration.png)
 
-	* Export project source code.
+Export project source code.
 
 ![](doc/2-1-10-atmel-start-export-project.png)
 
-## 2.2 Add project to RT-Thread source code
+### 2.2 Add project to RT-Thread source code
 
-	* Link: <https://github.com/RT-Thread/rt-thread> and download RT souce code.
+Link: <https://github.com/RT-Thread/rt-thread> and download RT souce code.
 
 ![](doc/2-2-1-atmel-start-download-RT-Thread.png)
 
-	* Unzip downloaded RT-Thread and SAME70 CAN Example
+Unzip downloaded RT-Thread and SAME70 CAN Example
 
 ![](doc/2-2-2-atmel-start-unzip-file.png)
 
-	* Enter rt-thread-xxx/bsp/microchip directory and copy same70 folder and rename it to same70q20.
+Enter *rt-thread-xxx/bsp/microchip* directory and copy **same70** folder and rename it to **same70q20**.
 
 ![](doc/2-2-3-atmel-start-copy-file.png)
 
-	* Enter same70q20 directory and remove all files except SConscript file.
+Enter same70q20 directory and remove all files except SConscript file.
 
 ![](doc/2-2-4-atmel-start-remove-old-files.png)
 
-	* Copy all files from SAME70 CAN Example to rt-thread-xxx/bsp/microchip/same70q20/bsp.
+Copy all files from SAME70 CAN Example to rt-thread-xxx/bsp/microchip/same70q20/bsp.
 
 ![](doc/2-2-5-atmel-start-copy-files.png)
 
-	* Modify rt-thread-xxx\bsp\microchip\same70q20\rtconfig.py.
+Modify rt-thread-xxx\bsp\microchip\same70q20\rtconfig.py.
 
 ![](doc/2-2-6-atmel-start-modify-file0.png)
 
-	* Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\SConscript.
+Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\SConscript.
 
 ![](doc/2-2-6-atmel-start-modify-file1.png)
 
-	* Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\same70b\gcc\gcc\same70q20b_flash.ld.
+Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\same70b\gcc\gcc\same70q20b_flash.ld.
 
 ![](doc/2-2-6-atmel-start-modify-file2.png)
 
-	* Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\same70b\gcc\gcc\startup_same70q20b.c.
+Modify rt-thread-xxx\bsp\microchip\same70q20\bsp\same70b\gcc\gcc\startup_same70q20b.c.
 
 ![](doc/2-2-6-atmel-start-modify-file3.png)
 
-	* Alright, now you can use RT-Thread env tools to compile the project.
+Alright, now you can use RT-Thread env tools to compile the project.
 
-## 2.3 Compile project with RT-Thread env tools
+### 2.3 Compile project with RT-Thread env tools
 
 About RT-Thread env tools, click [Here](https://github.com/RT-Thread/rt-thread/blob/master/documentation/env/env.md).
 
-	* Download RT-Thread env tools <https://www.rt-thread.org/download.html#download-rt-thread-env-tool>
+Download RT-Thread env tools <https://www.rt-thread.org/download.html#download-rt-thread-env-tool>
 
 ![](doc/2-3-1-atmel-start-download-env-tools.png)
 
-	* Unzip downloaded file and run env.exe.
+Unzip downloaded file and run env.exe.
 
 ![](doc/2-3-2-atmel-start-run-env-tools.png)
 
-	* Enter your project directory and run scons command to compile it.
+Enter your project directory and run scons command to compile it.
 
 ![](doc/2-3-3-atmel-start-env-tools-compile.png)
 
-	* Compile error you may have and proposed solution.
+Compile error you may have and proposed solution.
 
 ![](doc/2-3-4-atmel-start-env-tools-errors.png)
 
-	* Fix compiling error
+Fix compiling error
 
 ![](doc/2-3-5-atmel-start-env-tools-fixerrors.png)
 
-	* Compiling success
+Compiling success
 
 ![](doc/2-3-6-atmel-start-env-tools-compiling-OK.png)
 
-	* In the following chapter I will show you how to debug RT-Thread with Studio 7.
+In the following chapter I will show you how to debug RT-Thread with Studio 7.
 
-# 3. RT-Thread debugging with Microchip IDE
+## 3. RT-Thread debugging with Microchip IDE
 
-	* Link: <https://www.microchip.com/en-us/tools-resources/develop/microchip-studio>, download & install Microchip Studio 7.
+Link: <https://www.microchip.com/en-us/tools-resources/develop/microchip-studio>, download & install Microchip Studio 7.
 
 ![](doc/3-1-1-atmel-start-Studio7-download.png)
 
-	* Open installed Microchip Studio 7 and open object file for debugging.
+Open installed Microchip Studio 7 and open object file for debugging.
 
 ![](doc/3-1-2-atmel-start-Studio7-open-objects.png)
 
-	* Choose object file, fill project name and select where to save this project.
+Choose object file, fill project name and select where to save this project.
 
 ![](doc/3-1-3-atmel-start-Studio7-import-debug.png)
 
-	* Select the right part number and complete object set up.
+Select the right part number and complete object set up.
 
 ![](doc/3-1-4-atmel-start-Studio7-select-device.png)
 
-	* Object file import complete and you can see related files are linked to project.
+Object file import complete and you can see related files are linked to project.
 
 ![](doc/3-1-5-atmel-start-Studio7-project-complete.png)
 
-	* Right click the project and choose the debug tools in project propertities setting.
+Right click the project and choose the debug tools in project propertities setting.
 
 ![](doc/3-1-6-atmel-start-Studio7-project-properties.png)
 
-	* Choose debugger/programmer and debugger interface - SWD or JTGA.
+Choose debugger/programmer and debugger interface - SWD or JTGA.
 
 ![](doc/3-1-7-atmel-start-Studio7-select-tools.png)
 
-	* Press debugging button and enjoy your debugging journey.
+Press debugging button and enjoy your debugging journey.
 
 ![](doc/3-1-8-atmel-start-Studio7-start-debugging1.png)
 
-		* Debugging start and you can add breakpoint.
+Debugging start and you can add breakpoint.
 
 ![](doc/3-1-8-atmel-start-Studio7-start-debugging2.png)
 
-		* Debugging paused at breakpoint and you can monitor local variables at Watch window.
+Debugging paused at breakpoint and you can monitor local variables at Watch window.
 
 ![](doc/3-1-8-atmel-start-Studio7-start-debugging3.png)
 
-		* Debugging message output.
+Debugging message output.
 
 ![](doc/3-1-9-atmel-start-rt-thread-run.png)
 
-# 4. Reconfigure MCU BSP
+## 4. Reconfigure MCU BSP
 
-	* Visit <https://start.atmel.com/#> and upload project configuration.
+Visit <https://start.atmel.com/#> and upload project configuration.
 
 ![](doc/4-1-1-atmel-start-Studio7-reimport-project.png)
 
-	* Now you can reconfigure your project.
+Now you can reconfigure your project.
 
 ![](doc/4-1-2-atmel-start-Studio7-project-configurtion.png)
 
 
-# 5. Microchip SAM MCU BSP configuration and user guide
+## 5. Microchip SAM MCU BSP configuration and user guide
 
-	* Please refer to <ASF4 API Reference Manual> for more details
-[ASF4 API Reference Manual](https://ww1.microchip.com/downloads/en/DeviceDoc/50002633B.pdf)
+Please refer to [ASF4 API Reference Manual](https://ww1.microchip.com/downloads/en/DeviceDoc/50002633B.pdf) for more details
 
-## 5.1 SAMC2x/E5x/E70 CAN Driver
+### 5.1 SAMC2x/E5x/E70 CAN Driver
 
-	* CAN driver configuration.
+CAN driver configuration.
 
 ![](doc/5-1-1-atmel-start-driver-can0.png)
 ![](doc/5-1-1-atmel-start-driver-can1.png)
 
-	* CAN driver user guide - see <ASF4 API Reference Manual.pdf> P121 for more details. 
-
-	* To be continued.
+CAN driver user guide - see [ASF4 API Reference Manual](https://ww1.microchip.com/downloads/en/DeviceDoc/50002633B.pdf) P121 for more details. 
 
-# 6. Contact Info
+To be continued.
 
-- [Kevin Liu](https://github.com/klmchp)
+## 6. Contact Info
 
-	* https://github.com/klmchp && [email protected]
\ No newline at end of file
+- [Kevin Liu](https://github.com/klmchp), email: <[email protected]>
+- [luhuadong](https://github.com/luhuadong), email: <[email protected]>