MAC bootloader

[ted456]

step #1 = uploading blink = LED is blinking and serial monitor is printing.
[img][img][/img][/img]

[ted456]

step #1 = uploading blink = LED is blinking and serial monitor is printing.

[ted456]

step #1

[ted456]

step #2 = uploading hid generic.pc13 bib = ok

[ted456]

step #3= uploading blink using bootloader = LED is blinking serial monitor is not printing and error

and error

rror, counldn't open [/dev/cu.usbserial-0001]
+-----------------------------------------------------------------------+
| HID-Flash v2.2.1 - STM32 HID Bootloader Flash Tool |
| (c) 2018 - Bruno Freitas http://www.brunofreitas.com |
| (c) 2018-2019 - Vassilis Serasidis https://www.serasidis.gr |
| Customized for STM32duino ecosystem https://www.stm32duino.com |
+-----------------------------------------------------------------------+

> Trying to open the [cu.usbserial-0001]...
> Unable to open the [cu.usbserial-0001]
> Searching for [1209:BEBA] device...
##########
error, counldn't open [/dev/cu.usbserial-0001]
Error - [1209:BEBA] device is not found :(> Searching for [cu.usbserial-0001] ...
error, counldn't open [/dev/cu.usbserial-0001]
error, counldn't open [/dev/cu.usbserial-0001]
error, counldn't open [/dev/cu.usbserial-0001]
error, counldn't open [/dev/cu.usbserial-0001]
> Finish
the selected serial port > Finish
does not exist or your board is not connected

[ted456]

I did it, there is need switch the ports....