I2C

I2C Probing

tom@raspberrypi:~ $ sudo i2cdetect -F 0
Functionalities implemented by /dev/i2c-0:
I2C                              yes
SMBus Quick Command              yes
SMBus Send Byte                  yes
SMBus Receive Byte               yes
SMBus Write Byte                 yes
SMBus Read Byte                  yes
SMBus Write Word                 yes
SMBus Read Word                  yes
SMBus Process Call               yes
SMBus Block Write                yes
SMBus Block Read                 no
SMBus Block Process Call         no
SMBus PEC                        yes
I2C Block Write                  yes
I2C Block Read                   yes

Link-uri externe

Specificații

• B+ HAT ID EEPROM Format Specification

Utile

• Device Trees, overlays, and parameters
• Hackaday Raspberry Pi Hat ID EEPROM Details
• Raspberry Pi SPI and I2C Tutorial

Discuții de prin forumuri

• STICKY: HOWTO: Raspi HAT EEPROM and device-tree
• I2C EEPROM not read identically on RPi