Firmware Compile Instruction -- STM32

Assuming you already have [[Keil uVision5>>url:https://www.keil.com/demo/eval/arm.htm]] installed, the steps below show how to install the MDK support and get a license.

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~1. Open the Webpage: [[http:~~/~~/www2.keil.com/stmicroelectronics-stm32/mdk>>url:http://www2.keil.com/stmicroelectronics-stm32/mdk]]

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2. Download the **Keil MDK**, record the **PSN** here, we will use it later.

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[[image:image-20220526180802-1.png]]

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Download Keil MDK

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3. Login with an account that has administration rights.

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4. Right-click the µVision icon and select **Run as Administrator**… from the context menu.

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5: Open the dialog **File — License Management…** and select the **Single-User License** tab.

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[[image:image-20220526180902-2.png]]

Install Keil

6: Click the button **Get LIC via Internet...**, then click the button **OK** to register the product. This action opens the License Management page on the Keil web site.

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[[image:image-20220526180942-3.png]]

Install Keil

7.Enter the **Product Serial Number** (from step 2.) 4RMW3-A8FIW-TUBLG along with your contact information and click the button Submit. An e-mail is sent back with the License ID Code (LIC) within a few minutes.

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[[image:image-20220526181014-4.png]]

Input PSN

[[image:image-20220526181041-5.png||height="619" width="1223"]]

Active via mail

[[image:image-20220526181112-6.png]]

Active via mail

8. To activate the Software Product, **enter the LIC** in the field **New License ID Code (LIC)** of the dialog **License Management…** and click **Add LIC**.

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[[image:image-20220526181138-7.png]]

Add LIC

9. Finish Install Keil

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[[image:image-20220526181207-8.png]]

Finish install Keil

== 2.2 Install STM32L0 Series Device in Keil ==

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1: Open the webpage: [[https:~~/~~/www.keil.com/dd2/stmicroelectronics/stm32l072cztx/#/eula-container>>url:https://www.keil.com/dd2/stmicroelectronics/stm32l072cztx/#/eula-container]];

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2: Find STMicroelectronics **STM32L0 Series Device** and download it.

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[[image:image-20220526181351-11.png]]

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Finish install Keil

3: Find the Software Pack and install it.

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[[image:image-20220526181302-10.png]]

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Install the downloaded pack in Keil

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[[image:image-20220526181434-12.png]]

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Install the downloaded pack in Keil

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4: Add the Device, then you can **rebuild** the project.

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[[image:image-20220526181509-13.png]]

rebuild project

Note: If you don’t add the Device, then Keil will report this error:

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[[image:image-20220526181543-14.png]]

Error without Device

= 3. Get and compile Source Code =

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* Get the source code for the product.

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* Use Keil to open the project file.

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* You can see the libraries related for example NBSN50 project as below:

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[[image:image-20220526181605-15.png]]

project files

= 4. Video Reference =

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[[https:~~/~~/youtu.be/ctdUNx4XCEg>>url:https://youtu.be/ctdUNx4XCEg]]

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= 5. Frequency Ask Questiones (FAQ) =

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== 5.1 How to change the frequency band for LoRaWAN source code ==

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In Keil, you can see what frequency band the code support.

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[[image:image-20220526181628-16.png]]

Support Frequency

If you want to change frequency, modify the Preprocessor Symbols. For example, change EU868 to US915 to complie a US915 firmware.

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[[image:image-20220526181651-17.png]]

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Change Marco for frequency

author	version	line-number	content
		1
		2
		3	~ Contents:
		4
		5	{{toc/}}
		6
		7
		8	= 1. Introduction =
		9
		10	This introduction is to show how to compile the source code for Dragino's stm32 base products.
		11
		12
		13	= 2. Set Up Build Environment =
		14
		15	== 2.1 Set up Keil Compile Environment ==
		16
		17	(((
		18	Assuming you already have [[Keil uVision5>>url:https://www.keil.com/demo/eval/arm.htm]] installed, the steps below show how to install the MDK support and get a license.
		19	)))
		20
		21	(((
		22	~1. Open the Webpage: [[http:~~/~~/www2.keil.com/stmicroelectronics-stm32/mdk>>url:http://www2.keil.com/stmicroelectronics-stm32/mdk]]
		23	)))
		24
		25	(((
		26	2. Download the Keil MDK, record the PSN here, we will use it later.
		27	)))
		28
		29	[[image:image-20220526180802-1.png]]
		30
		31	(((
		32	Download Keil MDK
		33
		34
		35	)))
		36
		37	(((
		38	(((
		39	3. Login with an account that has administration rights.
		40	)))
		41	)))
		42
		43	(((
		44	(((
		45	4. Right-click the µVision icon and select Run as Administrator… from the context menu.
		46	5: Open the dialog File — License Management… and select the Single-User License tab.
		47	)))
		48	)))
		49
		50	[[image:image-20220526180902-2.png]]
		51
		52	Install Keil
		53
		54
		55	6: Click the button Get LIC via Internet..., then click the button OK to register the product. This action opens the License Management page on the Keil web site.
		56
		57	[[image:image-20220526180942-3.png]]
		58
		59	Install Keil
		60
		61
		62	7.Enter the Product Serial Number (from step 2.) 4RMW3-A8FIW-TUBLG along with your contact information and click the button Submit. An e-mail is sent back with the License ID Code (LIC) within a few minutes.
		63
		64	[[image:image-20220526181014-4.png]]
		65
		66	Input PSN
		67
		68
		69	[[image:image-20220526181041-5.png\|\|height="619" width="1223"]]
		70
		71	Active via mail
		72
		73
		74	[[image:image-20220526181112-6.png]]
		75
		76	Active via mail
		77
		78
		79	8. To activate the Software Product, enter the LIC in the field New License ID Code (LIC) of the dialog License Management… and click Add LIC.
		80
		81	[[image:image-20220526181138-7.png]]
		82
		83	Add LIC
		84
		85
		86	9. Finish Install Keil
		87
		88	[[image:image-20220526181207-8.png]]
		89
		90	Finish install Keil
		91
		92
		93	== 2.2 Install STM32L0 Series Device in Keil ==
		94
		95	(((
		96	1: Open the webpage: [[https:~~/~~/www.keil.com/dd2/stmicroelectronics/stm32l072cztx/#/eula-container>>url:https://www.keil.com/dd2/stmicroelectronics/stm32l072cztx/#/eula-container]];
		97	)))
		98
		99	(((
		100	2: Find STMicroelectronics STM32L0 Series Device and download it.
		101
		102	[[image:image-20220526181351-11.png]]
		103	)))
		104
		105	Finish install Keil
		106
		107
		108	3: Find the Software Pack and install it.
		109
		110	[[image:image-20220526181302-10.png]]
		111
		112
		113	Install the downloaded pack in Keil
		114
		115
		116	[[image:image-20220526181434-12.png]]
		117
		118	Install the downloaded pack in Keil
		119
		120
		121	4: Add the Device, then you can rebuild the project.
		122
		123	[[image:image-20220526181509-13.png]]
		124
		125	rebuild project
		126
		127
		128	Note: If you don’t add the Device, then Keil will report this error:
		129
		130	[[image:image-20220526181543-14.png]]
		131
		132	Error without Device
		133
		134
		135	= 3. Get and compile Source Code =
		136
		137	* Get the source code for the product.
		138	* Use Keil to open the project file.
		139	* You can see the libraries related for example NBSN50 project as below:
		140
		141	[[image:image-20220526181605-15.png]]
		142
		143	project files
		144
		145
		146	= 4. Video Reference =
		147
		148	[[https:~~/~~/youtu.be/ctdUNx4XCEg>>url:https://youtu.be/ctdUNx4XCEg]]
		149
		150
		151	= 5. Frequency Ask Questiones (FAQ) =
		152
		153	== 5.1 How to change the frequency band for LoRaWAN source code ==
		154
		155	In Keil, you can see what frequency band the code support.
		156
		157	[[image:image-20220526181628-16.png]]
		158
		159	Support Frequency
		160
		161
		162	If you want to change frequency, modify the Preprocessor Symbols. For example, change EU868 to US915 to complie a US915 firmware.
		163
		164	[[image:image-20220526181651-17.png]]
		165
		166	Change Marco for frequency

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