Changes for page Check List for UART access issue -- STM32
Last modified by Mengting Qiu on 2024/11/11 09:21
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edited by Mengting Qiu
on 2024/11/11 09:21
on 2024/11/11 09:21
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... ... @@ -1,29 +7,25 @@ 1 -(% class="wikigeneratedid" %) 2 -**Table of Contents:** 3 - 4 -{{toc/}} 5 - 6 - 7 7 = 1. Introduction = 8 8 9 - 10 10 This chapter describe the checklist for not able to access to AT Command in Dragino LoRaWAN End Node base on STM32 chip. 11 11 12 12 13 13 = 2. Not able to send AT Command = 14 14 15 - 16 16 * Do you use a USB to TTL Converter? If you use RS232 converter, it won't work 17 17 * Can you see the output from console. 18 18 * Do you use the correct baudrate: 19 -** (% style="color:blue" %)**Baudrate: 9600** 20 -** (% style="color:blue" %)**Data bits: 8** 21 -** (% style="color:blue" %)**Stop bits: 1** 22 -** (% style="color:blue" %)**Parity: None** 23 -** (% style="color:blue" %)**Flow control: None** 24 24 12 +(% class="box" %) 13 +((( 14 +~** Baudrate: 9600 15 +~** Data bits: 8 16 +~** Stop bits: 1 17 +~** Parity: None 18 +~** Flow control: None 19 +))) 20 + 25 25 * Did you have the hardware RXD pin connected correctly according to the user manual? 26 -* Did you add the (% style="color:blue" %)**ENTER**(%%)and(% style="color:blue" %)**NEW LINE**(%%)after press send. Some serial utility doesn't add them by default. Below is an example for adding new line:22 +* Did you add the **ENTER** and **NEW LINE** after press send. Some serial utility doesn't add them by default. Below is an example for adding new line: 27 27 28 28 [[image:image-20220527083416-1.png]] 29 29 ... ... @@ -32,7 +32,6 @@ 32 32 33 33 = 3. If you still not able to fix this issue = 34 34 35 - 36 36 please send us below info at support@dragino.com 37 37 38 38 * Screen shot for your serial utility baud rate settings.
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