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 +1,40 @@ 1 -{{box cssClass="floatinginfobox" title="**Contents**"}} 1 +(% class="wikigeneratedid" %) 2 +**Table of Contents:** 3 + 2 2 {{toc/}} 3 -{{/box}} 4 4 5 -= Paragraph 1 = 6 6 7 - Loremipsum 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 essecillum dolore eu fugiatnulla pariatur. Excepteur sintoccaecat cupidatatnonproident, sunt in culpa qui officia deserunt mollit anim id est laborum.7 += 1. Introduction = 8 8 9 -== Sub-paragraph == 10 10 11 - Loremipsumdolor sitamet, consecteturadipiscingelit,seddoeiusmodtemporincididuntut laboreetdoloremagna aliqua. Utenim ad minim veniam, quisnostrudexercitationullamcolaboris nisi ut aliquip ex ea commodo consequat. Duis aute iruredolorin reprehenderit involuptatevelit esse cillum dolore eu fugiatnulla pariatur.Excepteur sint occaecat cupidatatnon proident,sunt in culpaqui officia deseruntmollit animidest laborum.10 +This chapter describe the checklist for not able to access to AT Command in Dragino LoRaWAN End Node base on STM32 chip. 12 12 13 -== Sub-paragraph == 14 14 15 - Loremipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Ut enim ad minim veniam, quis nostrudexercitation ullamco laboris nisi ut aliquipexea commodo consequat. Duis aute irure dolorin reprehenderit in voluptate velit essecillum dolore eu fugiatnulla pariatur. Excepteur sint occaecat cupidatatnonproident, sunt in culpa qui officia deseruntmollitanim idest laborum.13 += 2. Not able to send AT Command = 16 16 17 -=== Sub-sub paragraph === 18 18 19 -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. 16 +* Do you use a USB to TTL Converter? If you use RS232 converter, it won't work 17 +* Can you see the output from console. 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** 20 20 25 +* Did you have the hardware RXD pin connected correctly according to the user manual? 26 +* 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: 21 21 22 - = Paragraph2=28 +[[image:image-20220527083416-1.png]] 23 23 24 - 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.30 +Add a new line in some software 25 25 26 -== Sub-paragraph == 27 27 28 - Loremipsumdolorsit amet, consecteturadipiscing elit, sed do eiusmod tempor incididunt utlabore et doloremagna aliqua. Ut enim ad minim veniam, quis nostrudexercitation ullamco laboris nisi ut aliquipexea commodo consequat. Duis aute irure dolorin reprehenderit in voluptate velit esse cillum dolore eufugiat nulla pariatur. Excepteursintoccaecat cupidatat non proident,suntin culpa qui officia deserunt mollit anim idestlaborum.33 += 3. If you still not able to fix this issue = 29 29 30 -== Sub-paragraph == 31 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. 36 +please send us below info at support@dragino.com 37 + 38 +* Screen shot for your serial utility baud rate settings. 39 +* Screen shot of your serial console. 40 +* A photo shows clearly how you use USB-TTL adapter connect to the device.
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