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Updating gpio manual page

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This commit is contained in:
Gordon Henderson
2012-10-02 14:32:12 +01:00
parent db2edcc9c5
commit 86a5c68e08
8 changed files with 114 additions and 78 deletions
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52
gpio/gpio.1
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@@ -48,9 +48,9 @@ channel value
.SH DESCRIPTION
.B GPIO
is a swiss army knofe of a command line tool to allow the user easy
is a swiss army knife of a command line tool to allow the user easy
access to the GPIO pins on the Raspberry Pi and the SPI A/D and D/A
convertors on the Gertboard. It's designed for simple testing and
converters on the Gertboard. It's designed for simple testing and
diagnostic purposes, but can be used in shell scripts for general if
somewhat slow control of the GPIO pins.
@@ -122,7 +122,7 @@ the direction to input and set the edge interrupt method to \fInone\fR,
above and note that \fBBCM_GPIO\fR pin number is used not not wiringPi pin
numbering.
Like the export commands abovem ownership is set to that of the
Like the export commands above, ownership is set to that of the
calling user, allowing subsequent access from user programs without
requiring root/sudo.
@@ -155,7 +155,7 @@ the associated /dev/ entries so that the current user has access to them.
.B gbr
channel
This reads the analog to digital convertor on the Gertboard on the given
This reads the analog to digital converter on the Gertboard on the given
channel. The board jumpers need to be in-place to do this operation.
.TP
@@ -163,7 +163,7 @@ channel. The board jumpers need to be in-place to do this operation.
channel value
This writes the supplied value to the output channel on the Gertboards
SPI digital to analogue convertor.
SPI digital to analogue converter.
The board jumpers need to be in-place to do this operation.
@@ -171,26 +171,30 @@ The board jumpers need to be in-place to do this operation.
.PP
.TS
r r l.
WiringPi GPIO Function
r r r l.
WiringPi GPIO-r1 GPIO-r2 Function
_
0 17
1 18 (PWM)
2 21
3 22
4 23
5 24
6 25
7 4
8 0 SDA0
9 1 SCL0
10 8 SPI CE0
11 7 SPI CE1
12 10 SPI MOSI
13 9 SPI MISO
14 11 SPI SCLK
15 14 TxD
16 15 RxD
0 17 17
1 18 18 (PWM)
2 21 27
3 22 22
4 23 23
5 24 24
6 25 25
7 4 4
8 0 2 I2C: SDA0
9 1 3 I2C: SCL0
10 8 8 SPI: CE0
11 7 7 SPI: CE1
12 10 10 SPI: MOSI
13 9 9 SPI: MISO
14 11 11 SPI: SCLK
15 14 14 TxD
16 15 16 RxD
17 - 28
18 - 29
19 - 30
20 - 31
.TE
.SH FILES