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1		-(% class="wikigeneratedid" id="HContents:" %)
2		- ** Contents:**
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3	3
	3	+**~ Table of Contents:**
	4	+
4	4	{{toc/}}
5	5
6	6
7	7	= 1. Introduction =
8	8
	10	+
9	9	This introduction is to show how to compile the source code for Dragino's stm32 base products.
10	10
	13	+
11	11	= 2. Set Up Build Environment =
12	12
13	13	== 2.1 Set up Keil Compile Environment ==
14	14
	18	+
15	15	(((
16	16	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.
	21	+
	22	+
17	17	)))
18	18
19	19	(((
20		-~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]]
21	21	)))
22	22
23	23	(((
24		-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.
	31	+
	32	+
25	25	)))
26	26
27		-[[image:https://wiki.dragino.com/images/thumb/6/66/Keil_1.png/600px-Keil_1.png||height="293" width="600"]]
	35	+[[image:image-20220526180802-1.png]]
28	28
29	29	(((
30	30	Download Keil MDK
	39	+
	40	+
31	31	)))
32	32
33	33	(((
34	34	(((
35		-3. Login with an account that has administration rights.
	45	+(% style="color:blue" %)**3.**(%%)  Login with an account that has administration rights.
36	36	)))
37	37	)))
38	38
39	39	(((
40	40	(((
41		-4. Right-click the µVision icon and select **Run as Administrator**… from the context menu.
42		-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.
	52	+
	53	+(% style="color:blue" %)**5.**(%%)  Open the dialog (% style="color:blue" %)**File — License Management…**(%%) and select the (% style="color:blue" %)**Single-User License** (%%)tab.
	54	+
	55	+
43	43	)))
44	44	)))
45	45
46		-[[image:https://wiki.dragino.com/images/thumb/4/44/Keil_2.png/600px-Keil_2.png||height="279" width="600"]]
	59	+[[image:image-20220526180902-2.png]]
47	47
48	48	Install Keil
49	49
50		-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.
51	51
52		-[[image:https://wiki.dragino.com/images/thumb/f/fd/Keil_3.png/600px-Keil_3.png||height="297" width="600"]]
	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.
53	53
	66	+[[image:image-20220526180942-3.png]]
	67	+
54	54	Install Keil
55	55
56		-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.
57	57
58		-[[image:https://wiki.dragino.com/images/thumb/c/c5/Keil_4.png/600px-Keil_4.png||height="307" width="600"]]
	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.
59	59
	73	+
	74	+[[image:image-20220526181014-4.png]]
	75	+
60	60	Input PSN
61	61
62		-[[image:https://wiki.dragino.com/images/thumb/7/7e/Keil_5.png/600px-Keil_5.png||height="287" width="600"]]
63	63
	79	+
	80	+[[image:image-20220526181041-5.png||height="619" width="1223"]]
	81	+
64	64	Active via mail
65	65
66		-[[image:https://wiki.dragino.com/images/thumb/b/b0/Keil_6.png/600px-Keil_6.png||height="248" width="600"]]
67	67
	85	+
	86	+[[image:image-20220601135048-3.png]]
	87	+
68	68	Active via mail
69	69
70		-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**.
71	71
72		-[[image:https://wiki.dragino.com/images/thumb/b/b2/Keil_7.png/600px-Keil_7.png||height="440" width="600"]]
	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**.
73	73
	93	+
	94	+[[image:image-20220526181138-7.png]]
	95	+
74	74	Add LIC
75	75
76		-9. Finish Install Keil
77	77
78		-[[image:https://wiki.dragino.com/images/thumb/c/c4/Keil_8.png/600px-Keil_8.png||height="345" width="600"]]
	99	+(% style="color:blue" %)**9.   **(%%)Finish Install Keil
79	79
	101	+
	102	+[[image:image-20220526181207-8.png]]
	103	+
80	80	Finish install Keil
81	81
82	82
83	83	== 2.2 Install STM32L0 Series Device in Keil ==
84	84
	109	+
85	85	(((
86		-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]];
87	87	)))
88	88
89	89	(((
90		-2: Find STMicroelectronics **STM32L0 Series Device** and download it.
91		-)))
	115	+(% style="color:blue" %)**2.** (%%) Find STMicroelectronics (% style="color:blue" %)**STM32L0 Series Device**(%%) and download it.
92	92
93		-[[image:https://wiki.dragino.com/images/thumb/3/32/Keil_9.png/600px-Keil_9.png||height="461" width="547"]]
94	94
	118	+[[image:image-20220526181351-11.png]]
	119	+)))
	120	+
95	95	Finish install Keil
96	96
97		-3: Find the Software Pack and install it.
98	98
99		-[[image:https://wiki.dragino.com/images/thumb/9/94/Keil_10.png/600px-Keil_10.png||height="368" width="552"]]
	124	+(% style="color:blue" %)**3. **(%%) Find the Software Pack and install it.
100	100
	126	+[[image:image-20220526181302-10.png]]
	127	+
	128	+
101	101	Install the downloaded pack in Keil
102	102
103		-[[image:https://wiki.dragino.com/images/thumb/6/66/Keil_11.png/600px-Keil_11.png||height="346" width="560"]]
	131	+[[image:image-20220526181434-12.png]]
104	104
105	105	Install the downloaded pack in Keil
106	106
107		-4: Add the Device, then you can **rebuild** the project.
108	108
109		-[[image:https://wiki.dragino.com/images/thumb/3/35/Keil_12.png/600px-Keil_12.png||height="349" width="569"]]
	136	+(% style="color:blue" %)**4. ** (%%)Add the Device, then you can (% style="color:blue" %)**rebuild**(%%) the project.
110	110
	138	+
	139	+[[image:image-20220526181509-13.png]]
	140	+
111	111	rebuild project
112	112
113		-Note: If you don’t add the Device, then Keil will report this error:
114	114
115		-[[image:https://wiki.dragino.com/images/thumb/4/42/Keil_13.png/600px-Keil_13.png||height="366" width="565"]]
	144	+(% style="color:red" %)**Note: If you don't add the Device, then Keil will report this error:**
116	116
	146	+[[image:image-20220526181543-14.png]]
	147	+
117	117	Error without Device
118	118
119	119
120	120	= 3. Get and compile Source Code =
121	121
	153	+
122	122	* Get the source code for the product.
123	123	* Use Keil to open the project file.
124	124	* You can see the libraries related for example NBSN50 project as below:
125	125
126		-[[image:https://wiki.dragino.com/images/b/b7/Keil_14.png||height="143" width="197"]]
	158	+[[image:image-20220526181605-15.png]]
127	127
128	128	project files
129	129
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130	130
131	131	= 4. Video Reference =
132	132
	165	+
133	133	[[https:~~/~~/youtu.be/ctdUNx4XCEg>>url:https://youtu.be/ctdUNx4XCEg]]
134	134
135	135
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137	137
138	138	== 5.1 How to change the frequency band for LoRaWAN source code ==
139	139
	173	+
140	140	In Keil, you can see what frequency band the code support.
141	141
142		-[[image:https://wiki.dragino.com/images/0/00/STM32_FAQ_1.png||height="259" width="208"]]
	176	+[[image:image-20220526181628-16.png]]
143	143
144	144	Support Frequency
145	145
146	146
	181	+
147	147	If you want to change frequency, modify the Preprocessor Symbols. For example, change EU868 to US915 to complie a US915 firmware.
148	148
149		-[[image:https://wiki.dragino.com/images/7/7b/STM32_FAQ_2.png||height="291" width="400"]]
	184	+[[image:image-20220526181651-17.png]]
150	150
151	151	Change Marco for frequency
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