How do you send key commands about esp32_mouse_keyboard HOT 11 CLOSED

Dear @jonathanrobichaud4

sry for the long answer delay, holiday time here :-).
We can support you as much as possible, but we do need some more infos.

• You can change the name of the ESP32 via the $NAME xxx command?
• You can pair with the ESP32?
• How do you send the mouse/keyboard commands (other uC; terminal program;....)?

If the commands are processed ($NAME, $ID,...), the serial interface works as expected,
so should the HID commands.
Sending HID commands is done in this format:
https://github.com/asterics/esp32_mouse_keyboard#hid-input
But not in ASCII command format, but binary.

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The commands do work and I can pair with the esp just fine. Right now I am using a program named serial which is for Mac devices. I put it into the hex mode and tried to use it with the start bit and everything. "fd 00 00 73" kind of like that. I tried with the 0x in front of each as well. If you need anything else please let me know! I am writing this on my phone so it's a bit sparse sorry.

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Dear @jonathanrobichaud4

OK, thx for the infos. What about:

• What is the BT central device (PC/Notebook or mobile; which host OS)
• In many serial terminal programs, a \r or \n are sent as well. This should be switched off in your program
• What serial interface of the ESP32 is used (UART0 with the debug output or UART2)?

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It's an android device and I'm not sure what uart is in use. And I will check later today if my program sends the \r or \n.

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what program do you recommend for communication? Putty or some other windows specific one? I have a windows pc I can fire up as well. How can I tell what uart interface I am using. Right now I'm communicating through usb but can do the commands like $NAME as well as the demo ones

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Hi,
OK, Android devices should work without problem.
Regarding the UART: I think this is the source of your problem:

• We have 2 functions for parsing UART data:

  esp32_mouse_keyboard/main/ble_hidd_demo_main.c

  Line 966 in 77103b7

  void uart_external_task(void *pvParameters)

  and

  esp32_mouse_keyboard/main/ble_hidd_demo_main.c

  Line 1059 in 77103b7

  void uart_console_task(void *pvParameters)

• uart_console_task processes the data received from the UART0, which is the programming and debugging UART (connected via USB; normally used with idf.py flash/monitor
• uart_external_task processes the data from the second UART (pin 16/17 for RX&TX)
• The console task does NOT implement the RAW HID commands. We just used this task for testing mouse/keyboard via the keys w,a,s,d,c for mouse and q for keyboard.

Unfortunately, we didn't need the RAW HID for the UART0 (console_task), so it is not implemented.

A fast solution would be:

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I tried that out but it didn't help. when I tried sending commands I got a freertos error and the esp reset

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it says :

FreeRTOS: FreeRTOS Task "console" should not return, Aborting now!

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1. Have you tried it without modification and sending w,s,a,d keystrokes to the ESP32? Does the mouse move accordingly?
2. Did you use break;, return; or continue; after uart_parse_command?

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I tried a few different things but I just ended up using a different project that worked for what I needed it to do! Thanks for the help though!

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Dear @jonathanrobichaud4

I'm glad you find something that worked for you!
Anyway it would be nice if you give our project a star 👍
Good luck with your project,

greetings

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