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I tried using a st-link (part of a Nucleo board), and pyocd would list the adapter. If I tried to connect, I got an error saying the firmware was too old. I upgraded to the latest firmware (V2J37M27…
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It has 10kB of flash available according to the specs, though my testing reveals 12kB usable. It only has 512B of xRAM, no ADC, and one UART. Adding a board or MCU option for the CH551 would make ch…
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https://github.com/Blinkinlabs/ch554_sdcc/blob/master/examples/Makefile.include#L24
The specs for the CH554 state, [14KB Code Flash 2KB BootLoader](http://www.wch.cn/products/CH554.html). I've tes…
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The total flash size on the CH552 and CH554 may be 16kB, but 2kB is used by the bootloader, leaving 14kB. Details are in the ch554_sdcc issue.
https://github.com/Blinkinlabs/ch554_sdcc/issues/16
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Hi Everyone
Consider this as an open thread to discuss and talk about Cachy/CacULE
I would post some patches for testing too.
We could talk about how to enhance the scheduler.
Thank you.
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have you thought of using a FTDI chip for the usb to serial for the ATMega..
in my experience the CH340G has caused issues in some of my designs (automotive diagnostic tools) usually just poor per…
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So... I've been playing around with the CH551 and I'm trying to create a MIDI device.
I have tried to port (to CH55Xduino) and compile some code that is on github but using SDCC directly. This is t…
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I'm stuck on Linux today ... wondering about this error.
rasyoung@vic2016:~/code_test/8051/wch/ch554_sdcc/examples/pwm$ sudo make flash
wchisptool -f pwm.bin -g
Error while bulking in: LIBUSB_ERROR…
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Here's my source code. But I'm not sure that whether or not it works on CH552/554.
https://github.com/rgwan/librech551
rgwan updated
6 years ago