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Overview
| Artifact ID: | 65d5ccaa53d1f77f55a8147c4732352eaf9c521d |
|---|---|
| Page Name: | twowire |
| Date: | 2014-03-19 21:00:58 |
| Original User: | schelte |
| Parent: | 4ed78dd8d02cfc9fea55b0e85aa899b134279f5a |
Content
The twowire command
Synopsis
twowire subcommand ?arg ...?
Description
The twowire command provides access to the i2c busses of the Raspberry Pi. The legal values of subcommand are listed below. Note that you can abbreviate the subcommands.
- twowire readbyte handle
- Read a single byte from the device addressed by the handle.
- twowire readregbyte handle register
- Read a byte from the specified register of the device addressed by the handle.
- twowire readregword handle register
- Read a 2-byte word (LSB, MSB) from the specified register of the device addressed by the handle.
- twowire twowire bus address
- Create a handle for the i2c device with the specified address on the specified i2c bus. This handle can be used with the other subcommands to exchange data with the device. The regular Tcl close or chan close commands can be used to release the handle.
- twowire writebyte handle data
- Write a single byte to the device addressed by the handle.
- twowire writeregbyte handle register data
- Write a byte to the specified register of the device addressed by the handle.
- twowire writeregword handle register data
- Write a 2-byte word (LSB, MSB) to the specified register of the device addressed by the handle.