LAB: Scan I2C bus via CLI

Usage I2C via CLI

āđ‚āļ”āļĒāļ›āļāļ•āļī Raspberry Pi OS āļˆāļ°āđ€āļ›āļīāļ” interface āļ‚āļ­āļ‡ I2C āđ„āļ§āđ‰āļ­āļĒāļđāđˆāđāļĨāđ‰āļ§ āđāļ•āđˆāđ€āļžāļ·āđˆāļ­āļ„āļ§āļēāļĄāļĄāļąāđˆāļ™āđƒāļˆāđƒāļŦāđ‰āļ—āļģāļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļē enable interface I2C āļ­āļĩāļāļ„āļĢāļąāđ‰āļ‡āđ‚āļ”āļĒāđƒāļŠāđ‰ command config āļ”āļąāļ‡āļ™āļĩāđ‰

sudo raspi-config 

āđ„āļ›āļ—āļĩāđˆ Interface Options > āļāļ” Enter >I2C >āļāļ” Enter >Yes>OK >āļāļ”āļĨāļđāļāļĻāļĢāđ€āļĨāļ·āđˆāļ­āļ™āļĨāļ‡āđ„āļ›āļĒāļąāļ‡āļ„āļģāļ§āđˆāļē Finish āđāļĨāđ‰āļ§āļāļ” Enter

āļ„āļģāļŠāļąāđˆāļ‡: āļŦāļē I2C bus āļ—āļĩāđˆāļĄāļĩāļ—āļąāđ‰āļ‡āļŦāļĄāļ”

i2cdetect -l

āļ„āļģāļŠāļąāđˆāļ‡: scan āļŦāļē address āļ‚āļ­āļ‡āļ­āļļāļ›āļāļĢāļ“āđŒāļ—āļĩāđˆāļ•āđˆāļ­āļ­āļĒāļđāđˆāļāļąāļš I2C bus 1

i2cdetect -y 1

āļˆāļēāļāļ āļēāļžāļŠāļēāļĄāļēāļĢāļ– scan āļŦāļē address āđ„āļ”āđ‰ 3 āļ•āļąāļ§ āļ„āļ·āļ­ 0x21, 0x5c āđāļĨāļ° 0x70 āļŠāļēāļĄāļēāļĢāļ–āđƒāļŠāđ‰āļ„āļģāļŠāļąāđˆāļ‡ scan āļ™āļĩāđ‰āđƒāļ™āļāļēāļĢāļ•āļĢāļ§āļˆāļŠāļ­āļšāļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļ­āļļāļ›āļāļĢāļ“āđŒ I2C bus āđ€āļšāļ·āđ‰āļ­āļ‡āļ•āđ‰āļ™āđ„āļ”āđ‰

Date: May 2023

Author: Soontree Jaikhong (AIC-Researcher)

Author: Thanaluk Pranekunakol (AIC-Researcher)

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