From 81e0f0879d2779b7367beba2efc9f769d728ef61 Mon Sep 17 00:00:00 2001
From: AIWintermuteAI <32562299+AIWintermuteAI@users.noreply.github.com>
Date: Wed, 21 Jul 2021 15:21:38 +0800
Subject: [PATCH 1/7] automation

---
 .github/workflows/stale.yml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 .github/workflows/stale.yml

diff --git a/.github/workflows/stale.yml b/.github/workflows/stale.yml
new file mode 100644
index 0000000..c2e15cd
--- /dev/null
+++ b/.github/workflows/stale.yml
@@ -0,0 +1,23 @@
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+  - cron: '20 0 * * *'
+
+jobs:
+  stale:
+
+    runs-on: ubuntu-latest
+    permissions:
+      issues: write
+      pull-requests: write
+
+    steps:
+    - uses: actions/stale@v4.0.0
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        stale-issue-message: 'Stale issue message'
+        stale-pr-message: 'Stale pull request message'
+        stale-issue-label: 'no-issue-activity'
+        stale-pr-label: 'no-pr-activity'
+        days-before-stale: 15

From 41a09a3b67dc476b9ae2111d319e6941c3d2f689 Mon Sep 17 00:00:00 2001
From: AIWintermuteAI <dmitrywat@gmail.com>
Date: Thu, 22 Jul 2021 17:52:05 +0800
Subject: [PATCH 2/7] added issue template

---
 .github/ISSUE_TEMPLATE/BUG_ISSUE.yml          | 54 ++++++++++++++++++
 .github/ISSUE_TEMPLATE/config.yml             |  5 ++
 .../workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml    | 55 +++++++++++++++++++
 3 files changed, 114 insertions(+)
 create mode 100644 .github/ISSUE_TEMPLATE/BUG_ISSUE.yml
 create mode 100644 .github/ISSUE_TEMPLATE/config.yml
 create mode 100644 .github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml

diff --git a/.github/ISSUE_TEMPLATE/BUG_ISSUE.yml b/.github/ISSUE_TEMPLATE/BUG_ISSUE.yml
new file mode 100644
index 0000000..add7e06
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/BUG_ISSUE.yml
@@ -0,0 +1,54 @@
+name: Bug Report
+description: File a bug report
+title: "[Bug]: "
+labels: [bug, triage]
+assignees:
+  - AIWintermuteAI
+  - Pillar1989
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+      value: |
+            **To Reproduce**
+            Steps to reproduce the behavior:
+            1. Go to '...'
+            2. Click on '....'
+            3. Scroll down to '....'
+            4. See error
+    validations:
+      required: true
+
+  - type: textarea
+    id: what-expected
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: platform
+    attributes:
+      label: Platform
+      description: What platform are you running the code on.
+      value: |
+            - Device: [e.g. Raspberry Pi 4]
+            - OS: [e.g. Raspbian OS 32bit kernel version ...]
+            - Version/commit number [e.g. d1816f5]
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
new file mode 100644
index 0000000..bc35e9c
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Seeed Tech Support Forum
+    url: https://forum.seeedstudio.com/
+    about: Please ask and answer general questions here.
\ No newline at end of file
diff --git a/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml b/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml
new file mode 100644
index 0000000..95524d5
--- /dev/null
+++ b/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml
@@ -0,0 +1,55 @@
+name: Bug Report
+description: File a bug report
+title: "[Bug]: "
+labels: [bug, triage]
+assignees:
+  - AIWintermuteAI
+  - Pillar1989
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: Describe the bug
+      description: A clear and concise description of what the bug is.
+      placeholder: |
+            **To Reproduce**
+            Steps to reproduce the behavior:
+            1. Go to '...'
+            2. Click on '....'
+            3. Scroll down to '....'
+            4. See error
+    validations:
+      required: true
+
+  - type: textarea
+    id: what-happened
+    attributes:
+      label: Expected behavior
+      description: A clear and concise description of what you expected to happen.
+      placeholder: ""
+    validations:
+      required: true
+
+  - type: textarea
+    id: platform
+    attributes:
+      label: Platform
+      description: What platform are you running the code on.
+      placeholder: |
+            - Device: [e.g. Raspberry Pi 4]
+            - OS: [e.g. Raspbian OS 32bit kernel version ...]
+            - Version/commit number [e.g. d1816f5]
+    validations:
+      required: true
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Relevant log output
+      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
+      render: shell

From b595b95b2184f52e752256cca17e9b92e1a19cd7 Mon Sep 17 00:00:00 2001
From: Hin-Tak Leung <htl10@users.sourceforge.net>
Date: Wed, 4 Aug 2021 12:04:46 +0100
Subject: [PATCH 3/7] Revert "libasound_module_pcm_ac108.so is no longer
 installed, so libasound2-plugins shouldn't be needed"

This reverts commit 8b2094fc23b7dbad5a263ea49fcd11c5970f2884.

See #304 regarding missing libasound2-plugins.
---
 install.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index 4c7b9bd..8c84be9 100755
--- a/install.sh
+++ b/install.sh
@@ -108,7 +108,7 @@ if [[ $? -eq 0 ]]; then
   apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
   # Ubuntu kernel packages
   apt-get -y install linux-raspi linux-headers-raspi linux-image-raspi
-  apt-get -y install dkms git i2c-tools
+  apt-get -y install dkms git i2c-tools libasound2-plugins
   # rpi-update checker
   check_kernel_headers
 fi

From 17e2875d4d6b47376861a1f936b9f5b365845a11 Mon Sep 17 00:00:00 2001
From: Baozhu Zuo <zuobaozhu@gmail.com>
Date: Mon, 16 Aug 2021 11:22:46 +0800
Subject: [PATCH 4/7] delete snd-soc-wm8960.ko first

see https://github.com/raspberrypi/linux/commit/14075fb3b561869c760a096a92ca0fab1f573174
---
 install.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/install.sh b/install.sh
index 8c84be9..3603ae3 100755
--- a/install.sh
+++ b/install.sh
@@ -52,6 +52,9 @@ if [ $errorFound = 1 ] ; then
   exit 1
 fi
 
+#because https://github.com/raspberrypi/linux/commit/14075fb3b561869c760a096a92ca0fab1f573174, remove snd-soc-wm8960.ko first
+find /lib/modules -name "snd-soc-wm8960.ko" -exec rm -rf {} \;
+
 ver="0.3"
 uname_r=$(uname -r)
 

From bd7623e9fb0a6a2e0604f19fac5f8f58a22496fb Mon Sep 17 00:00:00 2001
From: AIWintermuteAI <dmitrywat@gmail.com>
Date: Tue, 17 Aug 2021 03:27:17 +0100
Subject: [PATCH 5/7] added reboot warning if active kernel version doesn't
 match updated kernel version

---
 .../workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml    | 55 -------------------
 install.sh                                    | 19 ++++++-
 2 files changed, 17 insertions(+), 57 deletions(-)
 delete mode 100644 .github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml

diff --git a/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml b/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml
deleted file mode 100644
index 95524d5..0000000
--- a/.github/workflows/ISSUE_TEMPLATE/BUG_ISSUE.yml
+++ /dev/null
@@ -1,55 +0,0 @@
-name: Bug Report
-description: File a bug report
-title: "[Bug]: "
-labels: [bug, triage]
-assignees:
-  - AIWintermuteAI
-  - Pillar1989
-body:
-  - type: markdown
-    attributes:
-      value: |
-        Thanks for taking the time to fill out this bug report!
-
-  - type: textarea
-    id: what-happened
-    attributes:
-      label: Describe the bug
-      description: A clear and concise description of what the bug is.
-      placeholder: |
-            **To Reproduce**
-            Steps to reproduce the behavior:
-            1. Go to '...'
-            2. Click on '....'
-            3. Scroll down to '....'
-            4. See error
-    validations:
-      required: true
-
-  - type: textarea
-    id: what-happened
-    attributes:
-      label: Expected behavior
-      description: A clear and concise description of what you expected to happen.
-      placeholder: ""
-    validations:
-      required: true
-
-  - type: textarea
-    id: platform
-    attributes:
-      label: Platform
-      description: What platform are you running the code on.
-      placeholder: |
-            - Device: [e.g. Raspberry Pi 4]
-            - OS: [e.g. Raspbian OS 32bit kernel version ...]
-            - Version/commit number [e.g. d1816f5]
-    validations:
-      required: true
-
-  - type: textarea
-    id: logs
-    attributes:
-      label: Relevant log output
-      description: Please copy and paste any relevant log output. This will be automatically formatted into code, so no need for backticks.
-      render: shell
diff --git a/install.sh b/install.sh
index 3603ae3..2cc8a41 100755
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,9 @@
 #!/bin/bash
 
+# Color
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
 if [[ $EUID -ne 0 ]]; then
    echo "This script must be run as root (use sudo)" 1>&2
    exit 1
@@ -52,8 +56,6 @@ if [ $errorFound = 1 ] ; then
   exit 1
 fi
 
-#because https://github.com/raspberrypi/linux/commit/14075fb3b561869c760a096a92ca0fab1f573174, remove snd-soc-wm8960.ko first
-find /lib/modules -name "snd-soc-wm8960.ko" -exec rm -rf {} \;
 
 ver="0.3"
 uname_r=$(uname -r)
@@ -128,6 +130,16 @@ base_ver=$(get_kernel_version)
 base_ver=${base_ver%%[-+]*}
 #kernels="${base_ver}+ ${base_ver}-v7+ ${base_ver}-v7l+"
 kernels=$(uname -r)
+kernel_base_ver=${kernels%[-+]*}
+
+if [[ "$base_ver" != "$kernel_base_ver" ]] ; then
+  echo "------------------------------------------------------"
+  echo -e " ${RED}WARNING${NC} Your loaded kernel version is $kernel_base_ver"
+  echo " Not matching the updated version $base_ver."
+  echo " Kernel was updated, but new kernel was not loaded yet"
+  echo -e " Please ${RED}reboot${NC} your machine AND THEN run this script ${RED}again"
+  exit 1;
+fi
 
 function install_module {
   local _i
@@ -157,6 +169,9 @@ function install_module {
   mkdir -p /var/lib/dkms/$mod/$ver/$marker
 }
 
+#because https://github.com/raspberrypi/linux/commit/14075fb3b561869c760a096a92ca0fab1f573174, remove snd-soc-wm8960.ko first
+#find /lib/modules -name "snd-soc-wm8960.ko" -exec rm -rf {} \;
+
 install_module "./" "seeed-voicecard"
 
 

From d840f77541f9f1ff64097a2aec274d549d6e8a23 Mon Sep 17 00:00:00 2001
From: AIWintermuteAI <32562299+AIWintermuteAI@users.noreply.github.com>
Date: Thu, 19 Aug 2021 09:56:53 +0800
Subject: [PATCH 6/7] Update install.sh

---
 install.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/install.sh b/install.sh
index 2cc8a41..a8f3279 100755
--- a/install.sh
+++ b/install.sh
@@ -130,7 +130,7 @@ base_ver=$(get_kernel_version)
 base_ver=${base_ver%%[-+]*}
 #kernels="${base_ver}+ ${base_ver}-v7+ ${base_ver}-v7l+"
 kernels=$(uname -r)
-kernel_base_ver=${kernels%[-+]*}
+kernel_base_ver=${kernels%%[-+]*}
 
 if [[ "$base_ver" != "$kernel_base_ver" ]] ; then
   echo "------------------------------------------------------"
@@ -169,12 +169,8 @@ function install_module {
   mkdir -p /var/lib/dkms/$mod/$ver/$marker
 }
 
-#because https://github.com/raspberrypi/linux/commit/14075fb3b561869c760a096a92ca0fab1f573174, remove snd-soc-wm8960.ko first
-#find /lib/modules -name "snd-soc-wm8960.ko" -exec rm -rf {} \;
-
 install_module "./" "seeed-voicecard"
 
-
 # install dtbos
 cp seeed-2mic-voicecard.dtbo $OVERLAYS
 cp seeed-4mic-voicecard.dtbo $OVERLAYS

From dd9391fb78e6ec0ead495e5246e32a781d056ab2 Mon Sep 17 00:00:00 2001
From: AIWintermuteAI <dmitrywat@gmail.com>
Date: Fri, 20 Aug 2021 07:23:35 +0100
Subject: [PATCH 7/7] added 64-bit system installation script

---
 README.md        |   7 +-
 install_arm64.sh | 236 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 240 insertions(+), 3 deletions(-)
 create mode 100755 install_arm64.sh

diff --git a/README.md b/README.md
index 46d77cf..d6f5d0d 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,8 @@ cd seeed-voicecard
 sudo ./install.sh
 sudo reboot
 ```
-It may probably happen that the driver won't compile with the latest kernel when raspbian rolls out new patches to the kernel. If so, please try `sudo ./install.sh --compat-kernel` which uses an older kernel but ensures that the driver can work. 
+
+**Note** If you have 64-bit version of Rasperry Pi OS, use install_arm64.sh script for driver installation. 
 
 ## ReSpeaker Documentation
 
@@ -54,10 +55,10 @@ For hardware testing purposes we made a Rasperry Pi OS 5.10.17-v7l+ 32-bit image
 
 We provide official support for using reSpeaker with the following OS:
 - 32-bit Raspberry Pi OS
-- 64-bit Raspberry Pi OS
+- 64-bit Raspberry Pi OS (experimental support)
 
 And following hardware platforms:
-- Raspberry Pi 3 (all models), Raspberry Pi 4 (all models)
+- Raspberry Pi 3 (all models), Raspberry Pi 4 (all models), Raspberry Pi Zero and Zero W
 
 Anything beyond the scope of official support is considered to be community supported. Support for other OS/hardware platforms can be added, provided MOQ requirements can be met. 
 
diff --git a/install_arm64.sh b/install_arm64.sh
new file mode 100755
index 0000000..45597e9
--- /dev/null
+++ b/install_arm64.sh
@@ -0,0 +1,236 @@
+#!/bin/bash
+
+# Color
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+if [[ $EUID -ne 0 ]]; then
+   echo "This script must be run as root (use sudo)" 1>&2
+   exit 1
+fi
+
+# Check for enough space on /boot volume
+boot_line=$(df -h | grep /boot | head -n 1)
+if [ "x${boot_line}" = "x" ]; then
+  echo "Warning: /boot volume not found .."
+else
+  boot_space=$(echo $boot_line | awk '{print $4;}')
+  free_space=$(echo "${boot_space%?}")
+  unit="${boot_space: -1}"
+  if [[ "$unit" = "K" ]]; then
+    echo "Error: Not enough space left ($boot_space) on /boot"
+    exit 1
+  elif [[ "$unit" = "M" ]]; then
+    if [ "$free_space" -lt "25" ]; then
+      echo "Error: Not enough space left ($boot_space) on /boot"
+      exit 1
+    fi
+  fi
+fi
+
+#
+# make sure that we are on something ARM/Raspberry related
+# either a bare metal Raspberry or a qemu session with 
+# Raspberry stuff available
+# - check for /boot/overlays
+# - dtparam and dtoverlay is available
+errorFound=0
+OVERLAYS=/boot/overlays
+[ -d /boot/firmware/overlays ] && OVERLAYS=/boot/firmware/overlays
+
+if [ ! -d $OVERLAYS ] ; then
+  echo "$OVERLAYS not found or not a directory" 1>&2
+  errorFound=1
+fi
+# should we also check for alsactl and amixer used in seeed-voicecard?
+PATH=$PATH:/opt/vc/bin
+for cmd in dtparam dtoverlay ; do
+  if ! which $cmd &>/dev/null ; then
+    echo "$cmd not found" 1>&2
+    echo "You may need to run ./ubuntu-prerequisite.sh"
+    errorFound=1
+  fi
+done
+if [ $errorFound = 1 ] ; then
+  echo "Errors found, exiting." 1>&2
+  exit 1
+fi
+
+
+ver="0.3"
+uname_r=$(uname -r)
+
+# we create a dir with this version to ensure that 'dkms remove' won't delete
+# the sources during kernel updates
+marker="0.0.0"
+
+_VER_RUN=
+function get_kernel_version() {
+  local ZIMAGE IMG_OFFSET
+
+  _VER_RUN=""
+  [ -z "$_VER_RUN" ] && {
+    ZIMAGE=/boot/kernel8.img
+    [ -f /boot/firmware/vmlinuz ] && ZIMAGE=/boot/firmware/vmlinuz
+    IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
+    _VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) 2>/dev/null | zcat | grep -a -m1 "Linux version" | strings | awk '{ print $3; }')
+  }
+  echo "$_VER_RUN"
+  return 0
+}
+
+function check_kernel_headers() {
+  VER_RUN=$(get_kernel_version)
+  VER_HDR=$(dpkg -L raspberrypi-kernel-headers | egrep -m1 "/lib/modules/[[:print:]]+/build" | awk -F'/' '{ print $4; }')
+  echo $VER_RUN
+  echo $VER_HDR
+  [ "X$VER_RUN" == "X$VER_HDR" ] && {
+    return 0
+  }
+  VER_HDR=$(dpkg -L linux-headers-$VER_RUN | egrep -m1 "/lib/modules/[[:print:]]+/build" | awk -F'/' '{ print $4; }')
+  echo $VER_RUN
+  echo $VER_HDR
+  [ "X$VER_RUN" == "X$VER_HDR" ] && {
+    return 0
+  }
+
+  # echo RUN=$VER_RUN HDR=$VER_HDR
+  echo " !!! Your kernel version is $VER_RUN"
+  echo "     Not found *** corresponding *** kernel headers with apt-get."
+  echo "     This may occur if you have ran 'rpi-update'."
+  echo " Choose  *** y *** will revert the kernel to version $VER_HDR then continue."
+  echo " Choose  *** N *** will exit without this driver support, by default."
+  read -p "Would you like to proceed? (y/N)" -n 1 -r -s
+  echo
+  if ! [[ $REPLY =~ ^[Yy]$ ]]; then
+    exit 1;
+  fi
+
+  apt-get -y --reinstall install raspberrypi-kernel
+}
+
+# update and install required packages
+which apt &>/dev/null
+if [[ $? -eq 0 ]]; then
+  #apt update -y
+  # Raspbian kernel packages
+  apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel 
+  # Ubuntu kernel packages
+  apt-get -y install linux-raspi linux-headers-raspi linux-image-raspi
+  apt-get -y install dkms git i2c-tools libasound2-plugins
+  # rpi-update checker
+  check_kernel_headers
+fi
+
+# Arch Linux
+which pacman &>/dev/null
+if [[ $? -eq 0 ]]; then
+  pacman -Syu --needed git gcc automake make dkms linux-raspberrypi-headers i2c-tools
+fi
+
+# locate currently installed kernels (may be different to running kernel if
+# it's just been updated)
+base_ver=$(get_kernel_version)
+base_ver=${base_ver%%[-+]*}
+#kernels="${base_ver}+ ${base_ver}-v7+ ${base_ver}-v7l+"
+kernels=$(uname -r)
+kernel_base_ver=${kernels%%[-+]*}
+
+if [[ "$base_ver" != "$kernel_base_ver" ]] ; then
+  echo "------------------------------------------------------"
+  echo -e " ${RED}WARNING${NC} Your loaded kernel version is $kernel_base_ver"
+  echo " Not matching the updated version $base_ver."
+  echo " Kernel was updated, but new kernel was not loaded yet"
+  echo -e " Please ${RED}reboot${NC} your machine AND THEN run this script ${RED}again"
+  exit 1;
+fi
+
+function install_module {
+  local _i
+
+  src=$1
+  mod=$2
+
+  if [[ -d /var/lib/dkms/$mod/$ver/$marker ]]; then
+    rmdir /var/lib/dkms/$mod/$ver/$marker
+  fi
+
+  if [[ -e /usr/src/$mod-$ver || -e /var/lib/dkms/$mod/$ver ]]; then
+    dkms remove --force -m $mod -v $ver --all
+    rm -rf /usr/src/$mod-$ver
+  fi
+
+  mkdir -p /usr/src/$mod-$ver
+  cp -a $src/* /usr/src/$mod-$ver/
+
+  dkms add -m $mod -v $ver
+  for _i in $kernels; do
+    dkms build -k $_i -m $mod -v $ver && {
+      dkms install --force -k $_i -m $mod -v $ver
+    }
+  done
+
+  mkdir -p /var/lib/dkms/$mod/$ver/$marker
+}
+
+install_module "./" "seeed-voicecard"
+
+# install dtbos
+cp seeed-2mic-voicecard.dtbo $OVERLAYS
+cp seeed-4mic-voicecard.dtbo $OVERLAYS
+cp seeed-8mic-voicecard.dtbo $OVERLAYS
+
+#install alsa plugins
+# no need this plugin now
+# install -D ac108_plugin/libasound_module_pcm_ac108.so /usr/lib/arm-linux-gnueabihf/alsa-lib/
+rm -f /usr/lib/arm-linux-gnueabihf/alsa-lib/libasound_module_pcm_ac108.so
+
+#set kernel modules
+grep -q "^snd-soc-seeed-voicecard$" /etc/modules || \
+  echo "snd-soc-seeed-voicecard" >> /etc/modules
+grep -q "^snd-soc-ac108$" /etc/modules || \
+  echo "snd-soc-ac108" >> /etc/modules
+grep -q "^snd-soc-wm8960$" /etc/modules || \
+  echo "snd-soc-wm8960" >> /etc/modules  
+
+#set dtoverlays
+CONFIG=/boot/config.txt
+[ -f /boot/firmware/usercfg.txt ] && CONFIG=/boot/firmware/usercfg.txt
+
+sed -i -e 's:#dtparam=i2c_arm=on:dtparam=i2c_arm=on:g'  $CONFIG || true
+grep -q "^dtoverlay=i2s-mmap$" $CONFIG || \
+  echo "dtoverlay=i2s-mmap" >> $CONFIG
+
+
+grep -q "^dtparam=i2s=on$" $CONFIG || \
+  echo "dtparam=i2s=on" >> $CONFIG
+
+#install config files
+mkdir /etc/voicecard || true
+cp *.conf /etc/voicecard
+cp *.state /etc/voicecard
+
+#create git repo
+git_email=$(git config --global --get user.email)
+git_name=$(git config --global --get user.name)
+if [ "x${git_email}" == "x" ] || [ "x${git_name}" == "x" ] ; then
+    echo "setup git config"
+    git config --global user.email "respeaker@seeed.cc"
+    git config --global user.name "respeaker"
+fi
+echo "git init"
+git --git-dir=/etc/voicecard/.git init
+echo "git add --all"
+git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ add --all
+echo "git commit -m \"origin configures\""
+git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ commit  -m "origin configures"
+
+cp seeed-voicecard /usr/bin/
+cp seeed-voicecard.service /lib/systemd/system/
+systemctl enable  seeed-voicecard.service 
+systemctl start   seeed-voicecard
+
+echo "------------------------------------------------------"
+echo "Please reboot your raspberry pi to apply all settings"
+echo "Enjoy!"
+echo "------------------------------------------------------"