Changes for page Check List for UART access issue -- STM32
Last modified by Xiaoling on 2022/07/13 17:54
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... ... @@ -1,32 +1,35 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 2 -{{toc/}} 3 -{{/box}} 1 += 1. Introduction = 4 4 5 - =Paragraph1=3 +This chapter describe the checklist for not able to access to AT Command in Dragino LoRaWAN End Node base on STM32 chip. 6 6 7 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 8 8 9 -= =Sub-paragraph==6 += 2. Not able to send AT Command = 10 10 11 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 8 +* Do you use a USB to TTL Converter? If you use RS232 converter, it won't work 9 +* Can you see the output from console. 10 +* Do you use the correct baudrate: 12 12 13 -== Sub-paragraph == 12 +(% class="box" %) 13 +((( 14 +~** Baudrate: 9600 15 +~** Data bits: 8 16 +~** Stop bits: 1 17 +~** Parity: None 18 +~** Flow control: None 19 +))) 14 14 15 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 21 +* Did you have the hardware RXD pin connected correctly according to the user manual? 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: 16 16 17 - === Sub-sub paragraph ===24 +[[image:image-20220527083416-1.png]] 18 18 19 - Lorem ipsumdolorsitamet,consecteturadipiscing elit, sed do eiusmod tempor incididunt ut laboreet dolore magna aliqua. Ut enimad minim veniam, quisnostrud exercitation ullamco laboris nisi ut aliquipexea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eufugiatnullapariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.26 +Add a new line in some software 20 20 21 21 22 -= Paragraph2=29 += 3. If you still not able to fix this issue = 23 23 24 - Lorem ipsum dolor sit amet, consecteturadipiscingelit,seddo eiusmodtempor incididunt ut laboreet doloremagna aliqua. Ut enim ad minim veniam, quis nostrudexercitation ullamco laborisnisiut aliquipex ea commodo consequat. Duis aute irure dolor in reprehenderitin voluptate velit esse cillumdolore eu fugiatnulla pariatur.Excepteur sintoccaecat cupidatat non proident, sunt in culpa qui officia deseruntmollit anim id est laborum.31 +please send us below info at support@dragino.com 25 25 26 -== Sub-paragraph == 27 - 28 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 29 - 30 -== Sub-paragraph == 31 - 32 -Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. 33 +* Screen shot for your serial utility baud rate settings. 34 +* Screen shot of your serial console. 35 +* A photo shows clearly how you use USB-TTL adapter connect to the device.
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