http://www.amescon.com/products/raspicomm/
Kernel module for RS-485 Port and OpenRC services to set up RTC, Joystick and
LEDs of Amescon's RasPiComm module
*fixed Patch
---
testing/raspicomm-module/APKBUILD | 83 ++++++++++++++++++++++testing/raspicomm-module/raspicomm-joystick | 46 ++++++++++++testing/raspicomm-module/raspicomm-leds | 40 +++++++++++testing/raspicomm-module/raspicomm-module.8 | 45 ++++++++++++
.../raspicomm-module/raspicomm-module.pre-install | 2 +
testing/raspicomm-module/raspicomm-rtc | 14 ++++
6 files changed, 230 insertions(+)
create mode 100644 testing/raspicomm-module/APKBUILD
create mode 100644 testing/raspicomm-module/raspicomm-joystick
create mode 100644 testing/raspicomm-module/raspicomm-leds
create mode 100644 testing/raspicomm-module/raspicomm-module.8
create mode 100644 testing/raspicomm-module/raspicomm-module.pre-install
create mode 100644 testing/raspicomm-module/raspicomm-rtc
diff --git a/testing/raspicomm-module/APKBUILD b/testing/raspicomm-module/APKBUILD
new file mode 100644
index 0000000..bf3dd99
--- /dev/null+++ b/testing/raspicomm-module/APKBUILD
@@ -0,0 +1,83 @@
+# Contributor: Marian Buschsieweke <mari.hahn@wwu.de>++_flavor=rpi+_kpkg=linux-$_flavor+_kver=3.18.12+_kpkgrel=0+_mypkgrel=0+_realname=raspicomm-module++# verify the kernel version before entering chroot+if [ -f ../../main/linux-${_flavor}/APKBUILD ]; then+ . ../../main/linux-${_flavor}/APKBUILD+ [ "$_kver" != "$pkgver" ] && die "${_realname}: please update _kver to $pkgver"+ [ "$_kpkgrel" != "$pkgrel" ] && die "${_realname}: please update _kpkgrel to $pkgrel"+fi++_kpkgver="$_kver-r$_kpkgrel"+_abi_release=${_kver}-${_kpkgrel}-${_flavor}++pkgname=${_realname} # This package is only useful on the Raspberry Pi, so no need to tag pkgname with kernel flavor+pkgver=$_kver+# when chaning _raspicommver we *must* bump _mypkgrel+_raspicommver=1.12+pkgrel=$(( $_kpkgrel + $_mypkgrel ))++pkgdesc="Kernel module for RS-485 Port and OpenRC services to set up RTC, Joystick and LEDs of Amescon's RasPiComm module"+url="http://www.amescon.com/products/raspicomm/"+arch="all"+license="GPL2" # See module.h line 7+depends="linux-${_flavor}=${_kpkgver}"+depends_dev="linux-${_flavor}-dev=${_kpkgver}"+makedepends="$depends_dev"+install="${pkgname}.pre-install"+subpackages="$pkgname-doc"+source="saveas-http://github.com/amescon/${_realname}/archive/v${_raspicommver}.tar.gz/raspicomm-module-v${_raspicommver}.tar.gz+ raspicomm-rtc+ raspicomm-joystick+ raspicomm-leds+ ${pkgname}.8"+pkggroups="gpio"++_builddir="${srcdir}/${_realname}-${_raspicommver}"+_module_name="raspicommrs485"++prepare() {+ local i+ cd "$_builddir"+ for i in $source; do+ case $i in+ *.patch) msg $i; patch -p1 -i "$srcdir"/$i || return 1;;+ esac+ done+}++build() {+ cd "$_builddir"+ export GCC_SPECS=hardenednopie.specs+ make -f Makefile_rpi+}++package() {+ cd "$_builddir"+ install -Dm644 ${_module_name}.ko "${pkgdir}/lib/modules/${_abi_release}/kernel/custom/${_module_name}.ko"+ install -Dm755 ../raspicomm-rtc "${pkgdir}/etc/init.d/raspicomm-rtc"+ install -Dm755 ../raspicomm-joystick "${pkgdir}/etc/init.d/raspicomm-joystick"+ install -Dm755 ../raspicomm-leds "${pkgdir}/etc/init.d/raspicomm-leds"+ install -Dm644 "../${pkgname}.8" "${pkgdir}/usr/share/man/man8/${pkgname}.8"+}+md5sums="8d42142190e5e2794e74a244322bf8b2 raspicomm-module-v1.12.tar.gz+31897ade3059f4835711f5e7239977bf raspicomm-rtc+6bb85ad9e849f5774688be96166dd1d4 raspicomm-joystick+afcda01e94f534e807255ffd2806782b raspicomm-leds+4d4dc6caa33c81f8a0fb5ce94bf8b814 raspicomm-module.8"+sha256sums="b55de7e3a0304a6868a5bed6f15cea0f62cb99bc2f07474b563d413ea5787ebb raspicomm-module-v1.12.tar.gz+964e7a9c459cfcb6f46c92e8a20bd35409b271d680f62734342803df94a61557 raspicomm-rtc+c1c78ee6e759fb64c190a6227607e997f8f5889af4507c70046de2805cc2f7e9 raspicomm-joystick+9c9226439e7ca3ae3a7f144488df56e13de07537ca4b0473807d5919f377d2e7 raspicomm-leds+e722858a4d440192bf20d5665a18299f94d1f95f909fc10639d98a846ad4e81f raspicomm-module.8"+sha512sums="d088d62536690b9abfcdf73b2ff2fb45a8fdbfa03a50108bafa66fde07cea221cb882f999cb88e28f8c51538b515dbd13ae33f435267018d6458a2dca5fc38fa raspicomm-module-v1.12.tar.gz+445759da30783a1aeb32f88b0fc3241417028fbd2b2ff510817bdbff49be653839f8d7cb460805999e1c943dea7b66ad1dfe37c43f47cf5736690ed5e239b467 raspicomm-rtc+5d76fd8121574993ef6710a80d54ce2dcd8a7a55609c00f3394322f90ac58b72f311ee0b02251679758ac7f6bd9ac9db226676dc55bafc3857df6f64550d409d raspicomm-joystick+12c791a27f38db94bc7e2222d5a517d79f6ee495122d50c3687e94a29dc0126291fb0f17327b704d0be4549e2b85b5d5ac9be1f7cb3e96e5e497c7ac91f40a41 raspicomm-leds+25ae7b0356f866c3e74b4f447f5121c868bfaa154266752d29658ef3640866037fa08607833364c463566b46e61281e02212dc02f70779fc00561d81b30e37f6 raspicomm-module.8"
diff --git a/testing/raspicomm-module/raspicomm-joystick b/testing/raspicomm-module/raspicomm-joystick
new file mode 100644
index 0000000..f7d342c
--- /dev/null+++ b/testing/raspicomm-module/raspicomm-joystick
@@ -0,0 +1,46 @@
+#!/sbin/openrc-run+# Enable the joystick on Amescon's RasPiComm module++gpio_up() {+ if [ ! -e "/sys/class/gpio/gpio$1" ]; then+ echo $1 > /sys/class/gpio/export+ fi+ echo $2 > "/sys/class/gpio/gpio$1/direction"++ chmod 664 "/sys/class/gpio/gpio$1/value"+ chown root:gpio "/sys/class/gpio/gpio$1/value"+ ln -s "/sys/class/gpio/gpio$1/value" "/dev/raspicomm/$3"+}++gpio_down() {+ if [ -e "/sys/class/gpio/gpio$1" ]; then+ echo $1 > /sys/class/gpio/unexport+ fi++ rm -f "/dev/raspicomm/$2"+}++prepare_folder() {+ mkdir -p "/dev/raspicomm"+}++start() {+ ebegin "Exporting RasPiComm's joystick"+ prepare_folder+ gpio_up "4" "in" "js_right"+ gpio_up "22" "in" "js_push"+ gpio_up "23" "in" "js_down"+ gpio_up "24" "in" "js_left"+ gpio_up "25" "in" "js_up"+ eend $?+}++stop() {+ ebegin "Unexporting RasPiComm's joystick"+ gpio_down "4" "js_right"+ gpio_down "22" "js_push"+ gpio_down "23" "js_down"+ gpio_down "24" "js_left"+ gpio_down "25" "js_up"+ eend $?+}
diff --git a/testing/raspicomm-module/raspicomm-leds b/testing/raspicomm-module/raspicomm-leds
new file mode 100644
index 0000000..ecbd003
--- /dev/null+++ b/testing/raspicomm-module/raspicomm-leds
@@ -0,0 +1,40 @@
+#!/sbin/openrc-run+# Enable the joystick on Amescon's RasPiComm module++gpio_up() {+ if [ ! -e "/sys/class/gpio/gpio$1" ]; then+ echo $1 > /sys/class/gpio/export+ fi+ echo $2 > "/sys/class/gpio/gpio$1/direction"++ chmod 664 "/sys/class/gpio/gpio$1/value"+ chown root:gpio "/sys/class/gpio/gpio$1/value"+ ln -s "/sys/class/gpio/gpio$1/value" "/dev/raspicomm/$3"+}++gpio_down() {+ if [ -e "/sys/class/gpio/gpio$1" ]; then+ echo $1 > /sys/class/gpio/unexport+ fi++ rm -f "/dev/raspicomm/$2"+}++prepare_folder() {+ mkdir -p "/dev/raspicomm"+}++start() {+ ebegin "Exporting RasPiComm's LEDs"+ prepare_folder+ gpio_up "18" "out" "led_1"+ gpio_up "27" "out" "led_2"+ eend $?+}++stop() {+ ebegin "Unexporting RasPiComm's LEDs"+ gpio_down "18" "led_1"+ gpio_down "27" "led_2"+ eend $?+}
diff --git a/testing/raspicomm-module/raspicomm-module.8 b/testing/raspicomm-module/raspicomm-module.8
new file mode 100644
index 0000000..d1fe242
--- /dev/null+++ b/testing/raspicomm-module/raspicomm-module.8
@@ -0,0 +1,45 @@
+.TH "raspicomm-module" "8" "May 06, 2015"+.SH+NAME+.PP+raspicomm\-module \- A alpine package containing a kernel module and OpenRC+services to access Ameson's RasPiComm module+.SH+DESCRIPTION+.PP+With this packet all features of the RaspiComm Module are available.+.SS+RS\-232 port+.PP+The RS\-232 port is supported out of the box by Alpine Linux's kernel. The+device is found at \f[C]/dev/ttyAMA0\f[]\&.+.SS+i2c connector+.PP+The i2c connector is supported out of the box \- it just connects a fancy plug+to the Raspberry Pis i2c pins.+.SS+RS\-485 port+.PP+The RS\-485 port is supported by the kernel module \f[C]raspicommrs485\f[] included+in this package. The device is found at \f[C]/dev/ttyRPC0\f[]\&.+.SS+Real time clock+.PP+The real time clock can be set up with the OpenRC service \f[C]raspicomm\-rtc\f[]\&. You+can "unexport" the clock by stopping the service.+.SS+Joystick+.PP+The joysticks GPIO pins can be set up with the OpenRC service+\f[C]raspicomm\-joystick\f[]\&. For convenience the GPIOs can be accessed by users in+the group \f[C]gpio\f[] and symlinks to the GPIO's value will be stored at+\f[C]/dev/raspicomm\f[] with human readable names. By stopping the service the GPIOs+will be unexported.+.SS+LEDs+.PP+The LEDs GPIO pins can be set up with the OpenRC service \f[C]raspicomm\-leds\f[]\&. For+convenience the GPIOs can be accessed by users in the group \f[C]gpio\f[] and symlinks+to the GPIO's value will be stored at \f[C]/dev/raspicomm\f[] with human readable+names. By stopping the service the GPIOs will be unexported.
diff --git a/testing/raspicomm-module/raspicomm-module.pre-install b/testing/raspicomm-module/raspicomm-module.pre-install
new file mode 100644
index 0000000..5f42b5b
--- /dev/null+++ b/testing/raspicomm-module/raspicomm-module.pre-install
@@ -0,0 +1,2 @@
+#!/bin/sh+adduser -S gpio 2>/dev/null
diff --git a/testing/raspicomm-module/raspicomm-rtc b/testing/raspicomm-module/raspicomm-rtc
new file mode 100644
index 0000000..fbcf45c
--- /dev/null+++ b/testing/raspicomm-module/raspicomm-rtc
@@ -0,0 +1,14 @@
+#!/sbin/openrc-run+# Enable the real time clock on Amescon's RasPiComm module++start() {+ ebegin "Setting up RaspiComm's real time clock"+ echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device+ eend $?+}++stop() {+ ebegin "Disabling RaspiComm's real time clock"+ echo 0x68 > /sys/class/i2c-adapter/i2c-1/delete_device+ eend $?+}
--
2.4.0
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Hi,
Sorry for the very late reply. Few additional notes based on attempt
to apply it. Also few spots that maybe @ncopa can comment also?
On Thu, 7 May 2015 09:31:11 +0200
Marian Buschsieweke <mari.hahn@wwu.de> wrote:
> http://www.amescon.com/products/raspicomm/> > Kernel module for RS-485 Port and OpenRC services to set up RTC,> Joystick and LEDs of Amescon's RasPiComm module> > diff --git a/testing/raspicomm-module/APKBUILD> b/testing/raspicomm-module/APKBUILD new file mode 100644> index 0000000..bf3dd99> --- /dev/null> +++ b/testing/raspicomm-module/APKBUILD> @@ -0,0 +1,83 @@> +# Contributor: Marian Buschsieweke <mari.hahn@wwu.de>> +> +_flavor=rpi> +_kpkg=linux-$_flavor> +_kver=3.18.12> +_kpkgrel=0> +_mypkgrel=0> +_realname=raspicomm-module> +> +# verify the kernel version before entering chroot> +if [ -f ../../main/linux-${_flavor}/APKBUILD ]; then> + . ../../main/linux-${_flavor}/APKBUILD> + [ "$_kver" != "$pkgver" ] && die "${_realname}: please> update _kver to $pkgver"> + [ "$_kpkgrel" != "$pkgrel" ] && die "${_realname}: please> update _kpkgrel to $pkgrel" +fi> +
main/linux-rpi now ships linux-rpi and linux-rpi2 flavors. Both are
included in the 3.2.0 rpi tarball, and correct version is automatically
used based on bootloader's hardware detection.
I wonder if this should be made somehow to build for both flavors too?
> +build() {> + cd "$_builddir"> + export GCC_SPECS=hardenednopie.specs
@ncopa, Could we drop GCC_SPECS here, and infact all of the aports
tree? The gcc pie-patches have longtime disabled esp support if
__KERNEL__ is defined.
> + make -f Makefile_rpi
This failed with:
raspicomm-module:
Unpacking /var/cache/distfiles/raspicomm-module-v1.12.tar.gz...
raspicomm-module: Creating group gpio
make -C /lib/modules/3.18.12-1-grsec/build
M=/home/tteras/aports/testing/raspicomm-module/src/raspicomm-module-1.12
modules make[1]: *** /lib/modules/3.18.12-1-grsec/build: No such file
or directory. Stop. Makefile_rpi:6: recipe for target 'all' failed
I suspect you need to explicitly specify the kernel source tree to use.
So it'll use /lib/modules/$_kpkg-$_kver-$_kpkgrel-$_flavor. The reason
is that raspberry pi stuff is complied on wandboard, and the running
kernel will not match what we want to build.
Otherwise it's starting to look good.
Thanks,
Timo
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On Thu, 4 Jun 2015 08:43:45 +0300
Timo Teras <timo.teras@iki.fi> wrote:
> Hi,> > Sorry for the very late reply.
+1
> Few additional notes based on attempt to apply it. Also few spots> that maybe @ncopa can comment also?> > On Thu, 7 May 2015 09:31:11 +0200> Marian Buschsieweke <mari.hahn@wwu.de> wrote:> > > http://www.amescon.com/products/raspicomm/> > > > Kernel module for RS-485 Port and OpenRC services to set up RTC,> > Joystick and LEDs of Amescon's RasPiComm module> > > > diff --git a/testing/raspicomm-module/APKBUILD> > b/testing/raspicomm-module/APKBUILD new file mode 100644> > index 0000000..bf3dd99> > --- /dev/null> > +++ b/testing/raspicomm-module/APKBUILD> > @@ -0,0 +1,83 @@> > +# Contributor: Marian Buschsieweke <mari.hahn@wwu.de>> > +> > +_flavor=rpi> > +_kpkg=linux-$_flavor> > +_kver=3.18.12> > +_kpkgrel=0> > +_mypkgrel=0> > +_realname=raspicomm-module> > +> > +# verify the kernel version before entering chroot> > +if [ -f ../../main/linux-${_flavor}/APKBUILD ]; then> > + . ../../main/linux-${_flavor}/APKBUILD> > + [ "$_kver" != "$pkgver" ] && die "${_realname}: please> > update _kver to $pkgver"> > + [ "$_kpkgrel" != "$pkgrel" ] && die "${_realname}: please> > update _kpkgrel to $pkgrel" +fi> > +> > main/linux-rpi now ships linux-rpi and linux-rpi2 flavors. Both are> included in the 3.2.0 rpi tarball, and correct version is> automatically used based on bootloader's hardware detection.> > I wonder if this should be made somehow to build for both flavors too?
It would be nice. But I don't know how. We would need linux-rpi-dev and
linux-rpi2-dev then.
> > +build() {> > + cd "$_builddir"> > + export GCC_SPECS=hardenednopie.specs> > @ncopa, Could we drop GCC_SPECS here, and infact all of the aports> tree? The gcc pie-patches have longtime disabled esp support if> __KERNEL__ is defined.
Yes. I think we can drop this.
> > > + make -f Makefile_rpi> > This failed with:> > raspicomm-module:> Unpacking /var/cache/distfiles/raspicomm-module-v1.12.tar.gz...> raspicomm-module: Creating group gpio> make -C /lib/modules/3.18.12-1-grsec/build> M=/home/tteras/aports/testing/raspicomm-module/src/raspicomm-module-1.12> modules make[1]: *** /lib/modules/3.18.12-1-grsec/build: No such file> or directory. Stop. Makefile_rpi:6: recipe for target 'all' failed> > I suspect you need to explicitly specify the kernel source tree to> use. So it'll use /lib/modules/$_kpkg-$_kver-$_kpkgrel-$_flavor. The> reason is that raspberry pi stuff is complied on wandboard, and the> running kernel will not match what we want to build.> > Otherwise it's starting to look good.> > Thanks,> Timo
-nc
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