| i2c.8 (213573) | i2c.8 (233648) |
|---|---|
| 1.\" 2.\" Copyright (C) 2008-2009 Semihalf, Michal Hajduk and Bartlomiej Sieka 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (C) 2008-2009 Semihalf, Michal Hajduk and Bartlomiej Sieka 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/usr.sbin/i2c/i2c.8 213573 2010-10-08 12:40:16Z uqs $ | 26.\" $FreeBSD: head/usr.sbin/i2c/i2c.8 233648 2012-03-29 05:02:12Z eadler $ |
| 27.\" 28.Dd January 23, 2009 29.Dt I2C 8 30.Os 31.Sh NAME 32.Nm i2c | 27.\" 28.Dd January 23, 2009 29.Dt I2C 8 30.Os 31.Sh NAME 32.Nm i2c |
| 33.Nd test I2C bus and slave devices | 33.Nd test I2C bus and slave devices |
| 34.Sh SYNOPSIS 35.Nm 36.Cm -a Ar address 37.Op Fl f Ar device 38.Op Fl d Ar r|w 39.Op Fl w Ar 0|8|16 40.Op Fl o Ar offset 41.Op Fl c Ar count --- 73 unchanged lines hidden (view full) --- 115and there's great potential for corruption if such a write is performed. 116.Sh EXAMPLES 117.Bl -bullet 118.It 119Scan the default bus (/dev/iic0) for devices: 120.Pp 121i2c -s 122.It | 34.Sh SYNOPSIS 35.Nm 36.Cm -a Ar address 37.Op Fl f Ar device 38.Op Fl d Ar r|w 39.Op Fl w Ar 0|8|16 40.Op Fl o Ar offset 41.Op Fl c Ar count --- 73 unchanged lines hidden (view full) --- 115and there's great potential for corruption if such a write is performed. 116.Sh EXAMPLES 117.Bl -bullet 118.It 119Scan the default bus (/dev/iic0) for devices: 120.Pp 121i2c -s 122.It |
| 123Scan the default bus (/dev/iic0) for devices and skip addresses 0x56 and | 123Scan the default bus (/dev/iic0) for devices and skip addresses 0x56 and |
| 1240x45. 125.Pp 126i2c -s -n 0x56:0x45 127.It | 1240x45. 125.Pp 126i2c -s -n 0x56:0x45 127.It |
| 128Scan the default bus (/dev/iic0) for devices and skip address range | 128Scan the default bus (/dev/iic0) for devices and skip address range |
| 1290x34 to 0x56. 130.Pp 131i2c -s -n 0x34..0x56 132.It 133Read 8 bytes of data from device at address 0x56 (e.g., an EEPROM): 134.Pp 135i2c -a 0x56 -d r -c 8 136.It --- 19 unchanged lines hidden (view full) --- 156.Fx 8.0 . 157.Sh AUTHORS 158.An -nosplit 159The 160.Nm 161utility and this manual page were written by 162.An Bartlomiej Sieka 163.Aq tur@semihalf.com | 1290x34 to 0x56. 130.Pp 131i2c -s -n 0x34..0x56 132.It 133Read 8 bytes of data from device at address 0x56 (e.g., an EEPROM): 134.Pp 135i2c -a 0x56 -d r -c 8 136.It --- 19 unchanged lines hidden (view full) --- 156.Fx 8.0 . 157.Sh AUTHORS 158.An -nosplit 159The 160.Nm 161utility and this manual page were written by 162.An Bartlomiej Sieka 163.Aq tur@semihalf.com |
| 164and | 164and |
| 165.An Michal Hajduk 166.Aq mih@semihalf.com . | 165.An Michal Hajduk 166.Aq mih@semihalf.com . |