knchip

Results 2 issues of knchip

some suggestion: name of the program gpio_tools or gpio When I run the program it does not take the arguments. I found that argv[0] is used in the code, that...

While I was trying to use this code to display the example program for STM32F411 webact studio Blackpill with Max7219 display. The display was blank. I suspected the SPI issue....