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本帖最后由 mcavalcante 于 2021-5-30 04:54 编辑
Dears,
I`m trying to upload the sketch LED on/off to my RTL8720DN (BW16), but it is not working. The issue is that it is uploading the script properly to the module, but the LED doesn´t blink (tried the pin number 19, 20 and 21).
As can be seen below, the upload is Ok:
- "O sketch usa 192928 bytes (9%) de espaço de armazenamento para programas. O máximo são 2097152 bytes.
- Please enter the upload mode (wait 5s)
- 05
- 04
- 03
- 02
- 01
- Uploading.................
- All images are sent successfully!
- Image tool closed!
- Upload Image done."
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The problem is that I´ve seen in some forums someone suggesting a firmware upgrade in this module. But I can´t find a way based on the information I´ve got in the Internet to upgrade this module not using the WIO dev kit.
I wonder if there´s a way to upgrade the firmware through the module´s microUSB port, if there´s some documentation.
I´m not sure if the reason the "LED Blink" sketch is not working due to the module firmware version, so I´m also wondering there´s a clue to get it working even without a firmware upgrade (if possible).
After uploading the code to my RTLDUINO module, and pressing RST button, that´s what I´ve got in the serial port output:
- 17:41:40.831 ->
- #
- #
- 17:41:40.876 ->
- ###################### #################### ########################
- 17:41:40.923 ->
- # # # # # #
- 17:41:40.923 ->
- # ################ # # # ################## ######### #########
- 17:41:40.923 ->
- # # # # # # # #
- 17:41:40.923 ->
- # # # # # # # #
- 17:41:40.923 ->
- # # # # # # # #
- 17:41:40.969 ->
- # # # # # # # #
- 17:41:40.969 ->
- # ################ # # # # #
- 17:41:40.969 ->
- # # # # # #
- 17:41:40.969 ->
- # ################## # ####### # # #
- 17:41:40.969 ->
- # # # # # # # #
- 17:41:41.016 ->
- # # # # # ####### # #### # #
- 17:41:41.016 ->
- # # # # # # # # # # # #
- 17:41:41.016 ->
- # # # # # # # # # # # #
- 17:41:41.016 ->
- # # # # # # # # # # # #
- 17:41:41.016 ->
- # ################ # # ########## ##### # # #
- 17:41:41.063 ->
- # # # # # #
- 17:41:41.063 ->
- ####################### ##################### ########
- 17:41:41.063 ->
- 17:41:41.063 ->
- version:v2.4.1,amebaD v6.0a(Aug 14 2019)
- 17:41:41.063 ->
- interface 0 is initialized
- 17:41:41.063 ->
- interface 1 is initialized
- 17:41:41.063 ->
- 17:41:41.063 ->
- Initializing WIFI ...
- 17:41:41.109 ->
- WIFI initialized
- 17:41:41.109 ->
- 17:41:41.109 ->
- init_thread(54), Available heap 0x27418
- 17:41:41.156 ->
- AT_UART_CONF: 38400,8,1,0,0
- ⸮C⸮⸮
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