https://github.com/mc-cat-tty/libi2c

I2C library and tools for ESP32
https://github.com/mc-cat-tty/libi2c

bme280 bmp280 esp-idf esp32 i2c i2c-bus i2c-library libi2c

Last synced: 7 days ago
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I2C library and tools for ESP32

• Host: GitHub
• URL: https://github.com/mc-cat-tty/libi2c
• Owner: mc-cat-tty
• Created: 2021-03-08T11:14:12.000Z (almost 4 years ago)
• Default Branch: master
• Last Pushed: 2022-07-27T11:01:43.000Z (over 2 years ago)
• Last Synced: 2024-10-28T00:21:30.140Z (about 2 months ago)
• Topics: bme280, bmp280, esp-idf, esp32, i2c, i2c-bus, i2c-library, libi2c
• Language: C
• Homepage:
• Size: 25.4 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Funding: .github/FUNDING.yml

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README

        
# 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