PICO-PIO-74HC595
An implementation using PICOs programmable input/output block (PIO) to connect to SN74HC595 8-bit shift registers device.
LGPL-3.0 License
Stars
5
Committers
1
Ecosystems:
PlatformIO
PICO-PIO-74HC595
An implementation using PICOs programmable input/output block (PIO) to connect to SN74HC595 8-bit shift registers device.
It supports chains of up to 4 devices.
If you are also interested in its input counterpart have a look at PICO-PIO-74HC165
How to use in your application:
- Copy sn74595.pio into the directory that holds your applications
- Add:
#include "snsn74595.pio.h"
to your code. - Add the line:
pico_generate_pio_header(test ${CMAKE_CURRENT_LIST_DIR}/sn74595.pio)
to the CMakeLists.txt file
How to build the example (main.cpp):
- Follow the instructions in Getting started with Raspberry Pi Pico:
"Chapter 8. Creating your own Project" to create a directory for your project. - Copy main.cpp, sn74595.pio and CMakeLists.txt from this repository into the newly created directory.
- Copy the pico_sdk_import.cmake file from the external folder in your pico-sdk installation to your project directory.
- Create the build subfolder, cd into it
- run "cmake .." followed by "make"