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165
gpio/COPYING.LESSER Normal file
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GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
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As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
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#
# Makefile:
# The gpio command:
# A swiss-army knige of GPIO shenanigans.
# https://projects.drogon.net/wiring-pi
#
# Copyright (c) 2012-2016 Gordon Henderson
#################################################################################
# This file is part of wiringPi:
# A "wiring" library for the Raspberry Pi
#
# wiringPi is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# wiringPi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
#################################################################################
DESTDIR?=/usr
PREFIX?=/local
ifneq ($V,1)
Q ?= @
endif
#DEBUG = -g -O0
DEBUG = -O2
CC = gcc
INCLUDE = -I$(DESTDIR)$(PREFIX)/include
CFLAGS = $(DEBUG) -Wall -Wextra $(INCLUDE) -Winline -pipe
LDFLAGS = -L$(DESTDIR)$(PREFIX)/lib
LIBS = -lwiringPi -lwiringPiDev -lpthread -lrt -lm -lcrypt
ifeq ($(BOARD),)
BOARD = orangepioneplus-h6
endif
ifeq ($(BOARD), orangepi2giot)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_2G_IOT
endif
ifneq ($(findstring $(BOARD), "orangepione-h3" "orangepilite-h3" "orangepipc-h3" "orangepiplus-h3" "orangepipcplus-h3" "orangepiplus2e-h3"),)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_H3
endif
ifeq ($(BOARD), orangepipc2-h5)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_PC2
endif
ifeq ($(BOARD), orangepiprime-h5)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_PRIME
endif
ifeq ($(BOARD), orangepizeroplus-h5)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_ZEROPLUS
endif
ifneq ($(findstring $(BOARD), "orangepiwin-a64" "orangepiwinplus-a64"),)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_WIN
endif
ifneq ($(findstring $(BOARD), "orangepizero-h2" "orangepir1-h2"),)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_ZERO
endif
ifneq ($(findstring $(BOARD), "orangepioneplus-h6" "orangepilite2-h6"),)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_LITE2
endif
ifeq ($(BOARD), orangepi3-h6)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_3
endif
ifeq ($(BOARD), orangepizero2-h616)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_ZERO2
endif
ifeq ($(BOARD), orangepizeroplus2h3)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_ZEROPLUS2_H3
endif
ifeq ($(BOARD), orangepizeroplus2h5)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_ZEROPLUS2_H5
endif
ifeq ($(BOARD), orangepirk3399)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_RK3399
endif
ifeq ($(BOARD), orangepi4)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_4
endif
ifeq ($(BOARD), orangepi4-lts)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_4_LTS
endif
ifeq ($(BOARD), orangepi800)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_800
endif
ifeq ($(BOARD), orangepir1plus-rk3328)
EXTRA_CFLAGS = -DCONFIG_ORANGEPI_R1PLUS
endif
EXTRA_CFLAGS += -DCONFIG_ORANGEPI
# May not need to alter anything below this line
###############################################################################
SRC = gpio.c readall.c OrangePi.c
OBJ = $(SRC:.c=.o)
all: gpio
version.h: ../VERSION
$Q echo Need to run newVersion above.
gpio: $(OBJ)
$Q echo [Link]
$Q $(CC) -o $@ $(OBJ) $(LDFLAGS) $(LIBS)
.c.o:
$Q echo [Compile] $<
$Q $(CC) -c $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@
.PHONY: clean
clean:
$Q echo "[Clean]"
$Q rm -f $(OBJ) gpio *~ core tags *.bak
.PHONY: tags
tags: $(SRC)
$Q echo [ctags]
$Q ctags $(SRC)
.PHONY: install
install: gpio
$Q echo "[Install]"
$Q cp gpio $(DESTDIR)$(PREFIX)/bin/
ifneq ($(WIRINGPI_SUID),0)
$Q chown root.root $(DESTDIR)$(PREFIX)/bin/gpio
$Q chmod 4755 $(DESTDIR)$(PREFIX)/bin/gpio
endif
$Q mkdir -p $(DESTDIR)$(PREFIX)/share/man/man1
$Q cp gpio.1 $(DESTDIR)$(PREFIX)/share/man/man1/
.PHONY: install-deb
install-deb: gpio
$Q echo "[Install: deb]"
$Q install -m 0755 -d $(CURDIR)/../debian-template/wiringPi/usr/bin
$Q install -m 0755 gpio $(CURDIR)/../debian-template/wiringPi/usr/bin
$Q install -m 0755 -d $(CURDIR)/../debian-template/wiringPi/usr/share/man/man1
$Q install -m 0644 gpio.1 $(CURDIR)/../debian-template/wiringPi/usr/share/man/man1
.PHONY: uninstall
uninstall:
$Q echo "[UnInstall]"
$Q rm -f $(DESTDIR)$(PREFIX)/bin/gpio
$Q rm -f $(DESTDIR)$(PREFIX)/share/man/man1/gpio.1
.PHONY: depend
depend:
makedepend -Y $(SRC)
# DO NOT DELETE
gpio.o: ../version.h

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gpio/OrangePi.h Normal file
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#ifndef _ORANGEPI_H_
#define _ORANGEPI_H_
extern char *physNames[64];
extern int physToWpi[64];
extern int pinToGpioOrangePi[64];
extern void OrangePiReadAll(void);
extern void readallPhys(int physPin);
#endif

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.TH GPIO 1 "March 2018" wiringPi "Command-Line access to Raspberry Pi's GPIO"
.SH NAME
gpio \- Command-line access to Raspberry Pi's GPIO
.SH SYNOPSIS
.B gpio
.B \-v
.PP
.B gpio
.B [ \-g | \-1 ]
.B mode/read/write/aread/awrite/wb/pwm/pwnTone/clock/toggle/blink ...
.PP
.B gpio
.B [ \-x extension:params ]
.B mode/read/write/aread/awrite/pwm/toggle/blink ...
.PP
.B gpio
.B [ \-p ]
.B read/write/toggle/blink
.B ...
.PP
.B gpio
.B [ \-p ]
.B pwnTone pin frequency
.B ...
.PP
.B gpio
.B readall
.PP
.B gpio
.B unexportall/exports
.PP
.B gpio
.B export/edge/unexport
.B ...
.PP
.B gpio
.B wfi
.B ...
.PP
.B gpio
.B drive
group value
.PP
.B gpio
.B usbp
high | low
.PP
.B gpio
.B pwm-bal/pwm-ms
.PP
.B gpio
.B pwmr
range
.PP
.B gpio
.B load \ i2c/spi ...
.PP
.B gpio
.B gbr
channel
.PP
.B gpio
.B gbw
channel value
.SH DESCRIPTION
.B GPIO
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
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.
It can also control the IO's on the PiFace IO board and load the SPI and I2C
kernel modules if required.
Additionally, it can be used to set the exports in the \fI/sys/class/gpio\fR
system directory to allow subsequent programs to use the \fR/sys/class/gpio\fR
interface without needing to be run as root.
.SH OPTIONS
.TP
.B \-v
Output the current version including the board revision of the Raspberry Pi.
.TP
.B \-g
Use the BCM_GPIO pins numbers rather than wiringPi pin numbers.
\fINote:\fR The BCM_GPIO pin numbers are always used with the
export and edge commands.
.TP
.B \-1
Use the physical pin numbers rather than wiringPi pin numbers.
\fINote:\fR that this applies to the P1 connector only. It is not possible to
use pins on the Revision 2 P5 connector this way, and as with \-g the
BCM_GPIO pin numbers are always used with the export and edge commands.
.TP
.B \-x extension
This causes the named extension to be initialised. Extensions
comprise of a name (e.g. mcp23017) followed by a colon, then the
pin-base, then more optional parameters depending on the extension type.
See the web page on http://wiringpi.com/the-gpio-utility/
.TP
.B \-p
Use the PiFace interface board and its corresponding pin numbers. The PiFace
will always appear at pin number 200 in the gpio command. You can assign any
pin numbers you like in your own programs though.
.TP
.B read <pin>
Read the digital value of the given pin and print 0 or 1 to represent the
respective logic levels.
.TP
.B write <pin> <value>
Write the given value (0 or 1) to the pin. You need to set the pin
to output mode first.
.TP
.B toggle <pin>
Changes the state of a GPIO pin; 0 to 1, or 1 to 0.
Note unlike the blink command, the pin must be in output mode first.
.TP
.B blink <pin>
Blinks the given pin on/off. Press Control-C to exit.
Note: This command explicitly sets the pin to output mode.
.TP
.B aread <pin>
Read the analog value of the given pin. This needs to be used in
conjunction with a -x flag to add in an extension that handles analog
inputs.
e.g. gpio -x mcp3002:200:0 aread 200
will read the first analog input on an mcp3002 SPI ADC chip.
.TP
.B awrite <pin> <value>
Write the analog value to the given pin. This needs to be used in
conjunction with a -x flag to add in an extension that handles analog
inputs.
e.g. gpio -x mcp4802:200:0 awrite 200 128
will write the value 128 to the first DAC port on an mcp4802 chip on
the Pi's SPI bus 0.
.TP
.B wb <value>
Write the given byte to the 8 main GPIO pins. You can prefix it with 0x
to specify a hexadecimal number. You need to set pins to output mode
first.
.TP
.B readall
Output a table of all GPIO pins values. The values represent the actual values read
if the pin is in input mode, or the last value written if the pin is in output
mode.
The readall command is usable with an extension module (via the -x parameter),
but it's unable to determine pin modes or states, so will perform both a
digital and analog read on each pin in-turn.
.TP
.B pwm <pin> <value>
Write a PWM value (0-1023) to the given pin. The pin needs to be put
into PWM mode first.
.TP
.B clock <pin> <frequency>
Set the output frequency on the given pin. The pin needs to be put into
clock mode first.
.TP
.B mode <pin> <mode>
Set a pin into \fIinput\fR, \fIoutput\fR or \fIpwm\fR mode. Can also
use the literals \fIup\fR, \fIdown\fR or \fItri\fR to set the internal
pull-up, pull-down or tristate (off) controls.
The ALT modes can also be set using \fIalt0\fR, \fIalt1\fR, ... \fIalt5\fR.
.TP
.B unexportall
Un-Export all the GPIO pins in the /sys/class/gpio directory.
.TP
.B exports
Print a list (if any) of all the exported GPIO pins and their current values.
.TP
.B export
Export a GPIO pin in the \fI/sys/class/gpio\fR directory. Use like the
mode command above however only \fIin\fR, \fIout\fR, \fIhigh\fR and
\fRlow\fR are supported at this time. Note that the pin number is the
\fBBCM_GPIO\fR number and not the wiringPi number. The \fIhigh\fR and
\fIlow\fR commands pre-set the output value at the same time as the
export to output mode.
Once a GPIO pin has been exported, the \fBgpio\fR program changes the
ownership of the \fI/sys/class/gpio/gpioX/value\fR and if present in
later kernels, the \fI/sys/class/gpio/gpioX/edge\fR pseudo files to
that of the user running the \fBgpio\fR program. This means that you
can have a small script of gpio exports to setup the gpio pins as your
program requires without the need to run anything as root, or with the
sudo command.
.TP
.B edge
This exports a GPIO pin in the \fI/sys/class/gpio\fR directory, set
the direction to input and set the edge interrupt method to \fInone\fR,
\fIrising\fR, \fIfalling\fR or \fIboth\fR. Use like the export command
above and note that \fBBCM_GPIO\fR pin number is used not not wiringPi pin
numbering.
Like the export commands above, ownership is set to that of the
calling user, allowing subsequent access from user programs without
requiring root/sudo.
.TP
.B unexport
Un-Export a GPIO pin in the /sys/class/gpio directory.
.TP
.B wfi <pin> <mode>
This set the given pin to the supplied interrupt mode: rising, falling
or both then waits for the interrupt to happen. It's a non-busy wait,
so does not consume and CPU while it's waiting.
.TP
.B drive
group value
Change the pad driver value for the given pad group to the supplied drive
value. Group is 0, 1 or 2 and value is 0-7. Do not use unless you are
absolutely sure you know what you're doing.
.TP
.B usbp
high | low
Change the USB current limiter to high (1.2 amps) or low (the default, 600mA)
This is only applicable to the Model B+ and the Model B, v2.
.TP
.B pwm-bal/pwm-ms
Change the PWM mode to balanced (the default) or mark:space ratio (traditional)
.TP
.B pwmr
Change the PWM range register. The default is 1024.
.TP
.B gbr
channel
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
.B gbw
channel value
This writes the supplied value to the output channel on the Gertboards
SPI digital to analogue converter.
The board jumpers need to be in-place to do this operation.
.SH "WiringPi vs. BCM_GPIO Pin numbering vs. Physical pin numbering"
.PP
The quickest way to get a list of the pin differences is to run the command
.TP
gpio readall
.SH FILES
.TP 2.2i
.I gpio
executable
.SH EXAMPLES
.TP 2.2i
gpio mode 4 output # Set pin 4 to output
.PP
gpio -g mode 23 output # Set GPIO pin 23 to output (same as WiringPi pin 4)
.PP
gpio mode 1 pwm # Set pin 1 to PWM mode
.PP
gpio pwm 1 512 # Set pin 1 to PWM value 512 - half brightness
.PP
gpio export 17 out # Set GPIO Pin 17 to output
.PP
gpio export 0 in # Set GPIO Pin 0 (SDA0) to input.
.PP
gpio -g read 0 # Read GPIO Pin 0 (SDA0)
.SH "NOTES"
When using the \fIexport\fR, \fIedge\fR or \fIunexport\fR commands, the
pin numbers are \fBalways\fR native BCM_GPIO numbers and never wiringPi
pin numbers.
As of kernels 4.1.7, a user-level GPIO access mechanism is available,
however wiringPi will not use this by default - because at this time
there appears to be issues when trying to program the PWM or clock output
hardware. If you can live without PWM or GPIO clocks and you want to use
the GPIO from a non-root program, then you need to make sure that the
module \fIbcm2835_gpiomem\fR is loaded at boot time. This should happen
automatically when you enable the device tree in raspi-config. You may
also need some additional information in /etc/udev/rules.d/ to change the
mode and ownership of the /dev/gpiomem file. Finally, you need to set
the environment variable \fIWIRINGPI_GPIOMEM\fR. This will go-away
in future releases once the /dev/gpiomem interface is fully operational.
.SH "SEE ALSO"
.LP
WiringPi's home page
.IP
http://wiringpi.com/
.SH AUTHOR
Gordon Henderson
.SH "REPORTING BUGS"
Please report bugs to <projects@drogon.net>
.SH COPYRIGHT
Copyright (c) 2012-2018 Gordon Henderson
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
.SH TRADEMARKS AND ACKNOWLEDGEMENTS
Raspberry Pi is a trademark of the Raspberry Pi Foundation. See
http://raspberrypi.org/ for full details.

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#!/bin/bash
#
# pintest
# Test the Pi's GPIO port
# Copyright (c) 2013-2015 Gordon Henderson
#################################################################################
# This file is part of wiringPi:
# A "wiring" library for the Raspberry Pi
#
# wiringPi is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# wiringPi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
#################################################################################
# logErr pin, expected got
################################################################################
logErr ()
{
if [ $errs = 0 ]; then
echo ""
fi
echo " --> Pin $1 failure. Expected $2, got $3"
let errs+=1
}
# printErrorCount
################################################################################
printErrCount()
{
if [ $errs = 0 ]; then
echo "No faults detected."
elif [ $errs = 1 ]; then
echo "One fault detected."
else
echo "$errs faults detected"
fi
}
# testPins start end
################################################################################
testPins()
{
start=$1
end=$2
errs=0
printf "%30s %2d:%2d: " "$3" $1 $2
# Set range to inputs
for i in `seq $start $end`; do
gpio mode $i in
done
# Enable internal pull-ups and expect to read high
for i in `seq $start $end`; do
gpio mode $i up
if [ `gpio read $i` = 0 ]; then
logErr $i 1 0
fi
done
# Enable internal pull-downs and expect to read low
for i in `seq $start $end`; do
gpio mode $i down
if [ `gpio read $i` = 1 ]; then
echo "Pin $i failure - expected 0, got 1"
let errs+=1
fi
done
# Remove the internal pull up/downs
for i in `seq $start $end`; do
gpio mode $i tri
done
if [ $errs = 0 ]; then
echo " OK"
else
printErrCount
fi
let totErrs+=errs
}
intro()
{
cat <<EOF
PinTest
=======
This is a simple utility to test the GPIO pins on your Raspberry Pi.
NOTE: All GPIO peripherals must be removed to perform this test. This
includes serial, I2C and SPI connections. You may get incorrect results
if something is connected and it interferes with the test.
This test can only test the input side of things. It uses the internal
pull-up and pull-down resistors to simulate inputs. It does not test
the output drivers.
You will need to reboot your Pi after this test if you wish to use the
serial port as it will be left in GPIO mode rather than serial mode.
This test only tests the original pins present on the Rev A and B. It
does not test the extra pins on the Revision A2, B2 nor the A+ or B+
Please make sure everything is removed and press the ENTER key to continue,
EOF
echo -n "or Control-C to abort... "
read a
}
# Start here
################################################################################
intro
gpio unexportall
errs=0
totErrs=0
echo ""
# Main pins
testPins 0 7 "The main 8 GPIO pins"
# SPI
testPins 10 14 "The 5 SPI pins"
# Serial
testPins 15 16 "The serial pins"
# I2C - Needs somewhat different testing
# due to the on-board pull-up's
echo -n " The I2C pins 8: 9: "
errs=0
gpio mode 8 in
gpio mode 9 in
if [ `gpio read 8` = 0 ]; then
echo "Pin 8 failure - expected 1, got 0"
let errs+=1
fi
if [ `gpio read 9` = 0 ]; then
echo "Pin 9 failure - expected 1, got 0"
let errs+=1
fi
if [ $errs = 0 ]; then
echo " OK"
else
printErrCount
fi
echo ""
if [ $totErrs != 0 ]; then
echo ""
echo "Faults detected! Output of 'readall':"
gpio readall
fi

401
gpio/readall.c Normal file
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/*
* readall.c:
* The readall functions - getting a bit big, so split them out.
* Copyright (c) 2012-2018 Gordon Henderson
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <wiringPi.h>
#ifdef CONFIG_ORANGEPI
#include "OrangePi.h"
#endif
extern int wpMode ;
#ifndef TRUE
# define TRUE (1==1)
# define FALSE (1==2)
#endif
/*
* doReadallExternal:
* A relatively crude way to read the pins on an external device.
* We don't know the input/output mode of pins, but we can tell
* if it's an analog pin or a digital one...
*********************************************************************************
*/
static void doReadallExternal (void)
{
int pin ;
printf ("+------+---------+--------+\n") ;
printf ("| Pin | Digital | Analog |\n") ;
printf ("+------+---------+--------+\n") ;
for (pin = wiringPiNodes->pinBase ; pin <= wiringPiNodes->pinMax ; ++pin)
printf ("| %4d | %4d | %4d |\n", pin, digitalRead (pin), analogRead (pin)) ;
printf ("+------+---------+--------+\n") ;
}
/*
* doReadall:
* Read all the GPIO pins
* We also want to use this to read the state of pins on an externally
* connected device, so we need to do some fiddling with the internal
* wiringPi node structures - since the gpio command can only use
* one external device at a time, we'll use that to our advantage...
*********************************************************************************
*/
static char *alts [] =
{
"IN", "OUT", "ALT2", "ALT3", "ALT4", "ALT5", "ALT6", "OFF"
} ;
#ifndef CONFIG_ORANGEPI
static int physToWpi [64] =
{
-1, // 0
-1, -1, // 1, 2
8, -1,
9, -1,
7, 15,
-1, 16,
0, 1,
2, -1,
3, 4,
-1, 5,
12, -1,
13, 6,
14, 10,
-1, 11, // 25, 26
30, 31, // Actually I2C, but not used
21, -1,
22, 26,
23, -1,
24, 27,
25, 28,
-1, 29,
-1, -1,
-1, -1,
-1, -1,
-1, -1,
-1, -1,
17, 18,
19, 20,
-1, -1, -1, -1, -1, -1, -1, -1, -1
} ;
static char *physNames [64] =
{
NULL,
" 3.3v", "5v ",
" SDA.1", "5v ",
" SCL.1", "0v ",
"GPIO. 7", "TxD ",
" 0v", "RxD ",
"GPIO. 0", "GPIO. 1",
"GPIO. 2", "0v ",
"GPIO. 3", "GPIO. 4",
" 3.3v", "GPIO. 5",
" MOSI", "0v ",
" MISO", "GPIO. 6",
" SCLK", "CE0 ",
" 0v", "CE1 ",
" SDA.0", "SCL.0 ",
"GPIO.21", "0v ",
"GPIO.22", "GPIO.26",
"GPIO.23", "0v ",
"GPIO.24", "GPIO.27",
"GPIO.25", "GPIO.28",
" 0v", "GPIO.29",
NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
"GPIO.17", "GPIO.18",
"GPIO.19", "GPIO.20",
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
} ;
#endif
/*
* readallPhys:
* Given a physical pin output the data on it and the next pin:
*| BCM | wPi | Name | Mode | Val| Physical |Val | Mode | Name | wPi | BCM |
*********************************************************************************
*/
void readallPhys (int physPin)
{
int pin ;
if (physPinToGpio (physPin) == -1)
printf (" | | ") ;
else
printf (" | %4d | %3d", physPinToGpio (physPin), physToWpi [physPin]) ;
printf (" | %s", physNames [physPin]);
if (physToWpi [physPin] == -1)
printf (" | | ") ;
else
{
/**/ if (wpMode == WPI_MODE_GPIO)
pin = physPinToGpio (physPin) ;
else if (wpMode == WPI_MODE_PHYS)
pin = physPin ;
else
pin = physToWpi [physPin] ;
printf (" | %4s", alts [getAlt(pin)]) ;
printf (" | %d", digitalRead (pin)) ;
}
// Pin numbers:
printf (" | %2d", physPin) ;
++physPin ;
printf (" || %-2d", physPin) ;
// Same, reversed
if (physToWpi [physPin] == -1)
printf (" | | ") ;
else
{
/**/ if (wpMode == WPI_MODE_GPIO)
pin = physPinToGpio (physPin) ;
else if (wpMode == WPI_MODE_PHYS)
pin = physPin ;
else
pin = physToWpi [physPin] ;
printf (" | %d", digitalRead (pin)) ;
printf (" | %-4s", alts [getAlt (pin)]) ;
}
printf (" | %-5s", physNames [physPin]) ;
if (physToWpi [physPin] == -1)
printf (" | | ") ;
else
printf (" | %-3d | %-4d", physToWpi [physPin], physPinToGpio (physPin)) ;
printf (" |\n") ;
}
/*
* allReadall:
* Read all the pins regardless of the model. Primarily of use for
* the compute module, but handy for other fiddling...
*********************************************************************************
*/
static void allReadall (void)
{
int pin ;
printf ("+-----+------+-------+ +-----+------+-------+\n") ;
printf ("| Pin | Mode | Value | | Pin | Mode | Value |\n") ;
printf ("+-----+------+-------+ +-----+------+-------+\n") ;
for (pin = 0 ; pin < 14 ; ++pin)
{
printf ("| %3d ", pin) ;
printf ("| %-4s ", alts [getAlt (pin)]) ;
printf ("| %s ", digitalRead (pin) == HIGH ? "High" : "Low ") ;
printf ("| ") ;
printf ("| %3d ", pin + 14) ;
printf ("| %-4s ", alts [getAlt (pin + 14)]) ;
printf ("| %s ", digitalRead (pin + 14) == HIGH ? "High" : "Low ") ;
printf ("|\n") ;
}
printf ("+-----+------+-------+ +-----+------+-------+\n") ;
}
/*
* abReadall:
* Read all the pins on the model A or B.
*********************************************************************************
*/
void abReadall (int model, int rev)
{
int pin ;
char *type ;
if (model == PI_MODEL_A)
type = " A" ;
else
if (rev == PI_VERSION_2)
type = "B2" ;
else
type = "B1" ;
printf (" +-----+-----+---------+------+---+-Model %s-+---+------+---------+-----+-----+\n", type) ;
printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ;
printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ;
for (pin = 1 ; pin <= 26 ; pin += 2)
readallPhys (pin) ;
if (rev == PI_VERSION_2) // B version 2
{
printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ;
for (pin = 51 ; pin <= 54 ; pin += 2)
readallPhys (pin) ;
}
printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ;
printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ;
printf (" +-----+-----+---------+------+---+-Model %s-+---+------+---------+-----+-----+\n", type) ;
}
/*
* piPlusReadall:
* Read all the pins on the model A+ or the B+ or actually, all 40-pin Pi's
*********************************************************************************
*/
static void plus2header (int model)
{
/**/ if (model == PI_MODEL_AP)
printf (" +-----+-----+---------+------+---+---Pi A+--+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_BP)
printf (" +-----+-----+---------+------+---+---Pi B+--+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_ZERO)
printf (" +-----+-----+---------+------+---+-Pi Zero--+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_ZERO_W)
printf (" +-----+-----+---------+------+---+-Pi ZeroW-+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_2)
printf (" +-----+-----+---------+------+---+---Pi 2---+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_3)
printf (" +-----+-----+---------+------+---+---Pi 3---+---+------+---------+-----+-----+\n") ;
else if (model == PI_MODEL_3P)
printf (" +-----+-----+---------+------+---+---Pi 3+--+---+------+---------+-----+-----+\n") ;
else
printf (" +-----+-----+---------+------+---+---Pi ?---+---+------+---------+-----+-----+\n") ;
}
static void piPlusReadall (int model)
{
int pin ;
plus2header (model) ;
printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ;
printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ;
for (pin = 1 ; pin <= 40 ; pin += 2)
readallPhys (pin) ;
printf (" +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+\n") ;
printf (" | BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |\n") ;
plus2header (model) ;
}
/*
* doReadall:
* Generic read all pins called from main program. Works out the Pi type
* and calls the appropriate function.
*********************************************************************************
*/
void doReadall (void)
{
int model, rev, mem, maker, overVolted ;
if (wiringPiNodes != NULL) // External readall
{
doReadallExternal () ;
return ;
}
piBoardId (&model, &rev, &mem, &maker, &overVolted) ;
if ((model == PI_MODEL_A) || (model == PI_MODEL_B))
abReadall (model, rev) ;
else if ((model == PI_MODEL_BP) || (model == PI_MODEL_AP) ||
(model == PI_MODEL_2) ||
(model == PI_MODEL_3) || (model == PI_MODEL_3P) ||
(model == PI_MODEL_ZERO) || (model == PI_MODEL_ZERO_W))
piPlusReadall (model) ;
else if ((model == PI_MODEL_CM) || (model == PI_MODEL_CM3))
allReadall () ;
else if ( model == PI_MODEL_ORANGEPI)
OrangePiReadAll();
else
printf ("Oops - unable to determine board type... model: %d\n", model) ;
}
/*
* doAllReadall:
* Force reading of all pins regardless of Pi model
*********************************************************************************
*/
void doAllReadall (void)
{
allReadall () ;
}
/*
* doQmode:
* Query mode on a pin
*********************************************************************************
*/
void doQmode (int argc, char *argv [])
{
int pin ;
if (argc != 3)
{
fprintf (stderr, "Usage: %s qmode pin\n", argv [0]) ;
exit (EXIT_FAILURE) ;
}
pin = atoi (argv [2]) ;
printf ("%s\n", alts [getAlt (pin)]) ;
}

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gpio/test.sh Normal file
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#!/bin/bash
#
# test.sh:
# Simple test: Assumes LEDs on Pins 0-7 and lights them
# in-turn.
#################################################################################
# This file is part of wiringPi:
# A "wiring" library for the Raspberry Pi
#
# wiringPi is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# wiringPi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
#################################################################################
# Simple test - assumes LEDs on Pins 0-7.
for i in `seq 0 7`;
do
gpio mode $i out
done
while true;
do
for i in `seq 0 7`;
do
gpio write $i 1
sleep 0.1
done
for i in `seq 0 7`;
do
gpio write $i 0
sleep 0.1
done
done