libi2c

I2C library and tools for ESP32

Setting up

Clone this repo into lib folder inside PIO workspace

cd lib
git clone https://github.com/mc-cat-tty/libi2c
cd ..

BMP280

How to extract compensation fields

1. download BME/BMP280 datasheet
2. pdftotext BST-BMP280-DS001-11.pdf -f 21 -l 21
3. leave only comprensation parameters table on that text file
4. cat BST-BMP280-DS001-11.txt | grep dig_ -A2 | tr "\n" " " | tr "\-\-" "\n" | sed -e "s/unsigned short/uint16_t/" | sed -e "s/signed short/int16_t/"

Clock

Update START_TIME with date +%s output