RP2040 tests

Information:

for use with WAVESHARE RP2040-LCD-1.28

Basic use:

1. You need to execute: If the directory already exists, you can go directly. If there is no build directory, execute

mkdir build

2. Enter the build directory and type in the terminal:

cd build
export PICO_SDK_PATH=<pico sdk path>

3. Execute cmake, automatically generate Makefile file, enter in the terminal:

cmake ..

4. Execute make to generate an executable file, and enter in the terminal:

make

5. Copy the compiled uf2 file to pico

Pin connection:

• I2C_SDA -> 6
• I2C_SDA -> 7
• DC -> 8
• CS -> 9
• SCK -> 10
• DIN -> 11
• RST -> 12
• BL -> 25
• BAT_ADC -> 29