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3		-**~ Contents:**
	3	+**~ Table of Contents:**
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5	5	{{toc/}}
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7	7
8	8	= 1. Introduction =
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10	10	This introduction is to show how to compile the source code for Dragino's stm32 base products.
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14	14
15	15	== 2.1 Set up Keil Compile Environment ==
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17	17	(((
18	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.
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19	19	)))
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22		-~1. Open the Webpage: [[http:~~/~~/www2.keil.com/stmicroelectronics-stm32/mdk>>url:http://www2.keil.com/stmicroelectronics-stm32/mdk]]
	26	+(% style="color:blue" %)**1.**(%%)  Open the Webpage: [[http:~~/~~/www2.keil.com/stmicroelectronics-stm32/mdk>>url:http://www2.keil.com/stmicroelectronics-stm32/mdk]]
23	23	)))
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25	25	(((
26		-2. Download the **Keil MDK**, record the **PSN** here, we will use it later.
	30	+(% style="color:blue" %)**2.** (%%) Download the (% style="color:blue" %)**Keil MDK**(%%), record the (% style="color:blue" %)**PSN**(%%) here, we will use it later.
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27	27	)))
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29	29	[[image:image-20220526180802-1.png]]
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37	37	(((
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39		-3. Login with an account that has administration rights.
	45	+(% style="color:blue" %)**3.**(%%)  Login with an account that has administration rights.
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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.
	51	+(% style="color:blue" %)**4.**(%%)  Right-click the µVision icon and select (% style="color:blue" %)**Run as Administrator**(%%)… from the context menu.
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	53	+(% style="color:blue" %)**5.**(%%)  Open the dialog (% style="color:blue" %)**File — License Management…**(%%) and select the (% style="color:blue" %)**Single-User License** (%%)tab.
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47	47	)))
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52	52	Install Keil
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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.
	64	+(% style="color:blue" %)**6.  **(%%)Click the button (% style="color:blue" %)**Get LIC via Internet...**(%%), then click the button (% style="color:blue" %)**OK**(%%) to register the product. This action opens the License Management page on the Keil web site.
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57	57	[[image:image-20220526180942-3.png]]
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59	59	Install Keil
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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.
	71	+(% style="color:blue" %)**7.** (%%) Enter the (% style="color:blue" %)**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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64	64	[[image:image-20220526181014-4.png]]
65	65
66	66	Input PSN
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69	69	[[image:image-20220526181041-5.png||height="619" width="1223"]]
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71	71	Active via mail
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74		-[[image:image-20220526181112-6.png]]
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	86	+[[image:image-20220601135048-3.png]]
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76	76	Active via mail
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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**.
	91	+(% style="color:blue" %)**8.** (%%) To activate the Software Product, (% style="color:blue" %)**enter the LIC**(%%) in the field (% style="color:blue" %)**New License ID Code (LIC)**(%%) of the dialog (% style="color:blue" %)**License Management…**(%%) and click (% style="color:blue" %)**Add LIC**.
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81	81	[[image:image-20220526181138-7.png]]
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83	83	Add LIC
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86		-9. Finish Install Keil
	99	+(% style="color:blue" %)**9.   **(%%)Finish Install Keil
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88	88	[[image:image-20220526181207-8.png]]
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90	90	Finish install Keil
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92	92
93	93	== 2.2 Install STM32L0 Series Device in Keil ==
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95	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]];
	111	+(% style="color:blue" %)**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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100		-2: Find STMicroelectronics **STM32L0 Series Device** and download it.
	115	+(% style="color:blue" %)**2.** (%%) Find STMicroelectronics (% style="color:blue" %)**STM32L0 Series Device**(%%) and download it.
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102	102	[[image:image-20220526181351-11.png]]
103	103	)))
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105	105	Finish install Keil
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108		-3: Find the Software Pack and install it.
	124	+(% style="color:blue" %)**3. **(%%) Find the Software Pack and install it.
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110	110	[[image:image-20220526181302-10.png]]
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113	113	Install the downloaded pack in Keil
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115		-
116	116	[[image:image-20220526181434-12.png]]
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118	118	Install the downloaded pack in Keil
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121		-4: Add the Device, then you can **rebuild** the project.
	136	+(% style="color:blue" %)**4. ** (%%)Add the Device, then you can (% style="color:blue" %)**rebuild**(%%) the project.
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123	123	[[image:image-20220526181509-13.png]]
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125	125	rebuild project
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128		-Note: If you don’t add the Device, then Keil will report this error:
	144	+(% style="color:red" %)**Note: If you don't add the Device, then Keil will report this error:**
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130	130	[[image:image-20220526181543-14.png]]
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135	135	= 3. Get and compile Source Code =
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137	137	* Get the source code for the product.
138	138	* Use Keil to open the project file.
139	139	* You can see the libraries related for example NBSN50 project as below:
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145	145
146	146	= 4. Video Reference =
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148	148	[[https:~~/~~/youtu.be/ctdUNx4XCEg>>url:https://youtu.be/ctdUNx4XCEg]]
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153	153	== 5.1 How to change the frequency band for LoRaWAN source code ==
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155	155	In Keil, you can see what frequency band the code support.
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157	157	[[image:image-20220526181628-16.png]]
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159	159	Support Frequency
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162	162	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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164	164	[[image:image-20220526181651-17.png]]
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166	166	Change Marco for frequency
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