to the /boot/config.txt file. This loads a driver for SPI0 using two chip select lines. To find out how to activate other SPI channels see later. For the rest of this section we will be using SPI0.

Using the functions listed above it is easy to implement the loopback example given earlier: #include <stdio.h> #include <stdlib.h> #include <time.h> #include "Gpio5.h" int main(int argc, char **argv) ...

We’ve gotten used to the GPIO-available functions of Raspberry Pi computers remaining largely the same over the years, which is why it might have flown a little bit under the radar: the Raspberry Pi 4 ...