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3 votes

libc 2.29 on buster

If glibc is literally the only library your executable uses, just force the dynamic linker to use the right file with LD_PRELOAD. However, what I expect to happen is that your program uses other ...
Dmitry Grigoryev's user avatar
1 vote

Raspberry Pi Mailbox Interface Difficulties

The VideoCore mailbox protocol is downright awful, I've just dredged through it myself. The issue is that you are not forming your requests correctly. Here's the actual grammar for messages: [ ...
Allison's user avatar
  • 121
1 vote

What should I look for to find the proper GPIO chip on the system?

gpiodetect – list all gpiochips present on the system, their names, labels and number of GPIO lines gpiochip0 [pinctrl-bcm2711] (58 lines) gpiochip1 [raspberrypi-exp-gpio] (8 lines)
Milliways's user avatar
  • 60.5k
1 vote

What should I look for to find the proper GPIO chip on the system?

For all Raspberry Pis I would assume the expansion header GPIO are always on /dev/gpiochip0. It would be an extremely perverse decision to place them on any other gpiochip. For reference the Pi4B has ...
joan's user avatar
  • 71.2k

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