Searching for Linux I2c Support information? Find all needed info by using official links provided below.
https://how-to.fandom.com/wiki/How_to_configure_the_Linux_kernel/drivers/i2c
Both I2C and SMBus are supported here. You will need this for hardware sensors support, and also for Video For Linux support. If you want I2C support, you should say Y here and also to the specific driver for your bus adapter(s) below. This I2C support can also be built as a module. If so, the module will be called i2c-core. Option: I2C_CHARDEV
https://www.abelectronics.co.uk/kb/article/1089/i2c--smbus-and-raspbian-stretch-linux
For later versions of Rasbian Linux including Raspbian Buster please use our tutorial I2C, SMBus and Raspbian Linux. I2C, pronounced I-squared-C or I-2-C, is a popular serial bus used by a wide range of manufacturers for low speed serial communication. ... This page details how to setup I2C support on the Raspbian Jessie or Raspbian Stretch ...
https://www.kernel.org/doc/html/v4.14/driver-api/i2c.html
I 2 C and SMBus Subsystem ... The Linux I2C programming interfaces support the master side of bus interactions and the slave side. The programming interface is structured around two kinds of driver, and two kinds of device. An I2C “Adapter Driver” abstracts the controller hardware; ...
https://www.kernel.org/doc/html/latest/i2c/slave-interface.html
Linux I2C slave interface description¶. by Wolfram Sang <wsa @ sang-engineering. com> in 2014-15 Linux can also be an I2C slave if the I2C controller in use has slave functionality. For that to work, one needs slave support in the bus driver plus a hardware independent software backend providing the actual functionality.
https://www.acmesystems.it/user_i2c
python-smbus is a Python module allows SMBus access through the I2C /dev interface on Linux hosts. The host kernel must have I2C support, I2C device interface support, and a bus adapter driver. Write a register. The following example sends a sequence of values from 0 to 255 to the PCF8574 I2C I/O expander at address 0x20.
https://www.emcraft.com/som/stm32f4/accessing-i2c-devices
Accessing I2C Devices in Linux The Linux kernel provides a device driver for the I2C controller of the STM32F4, enabled in the kernel with the CONFIG_I2C_STM32 build-time option. To enable the driver in the kernel configuration, run make kmenuconfig in your project directory, go to Device Drivers and enable I2C support.
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