Buildroot: Initial start of the respeaker package

- Download latest code from github
- Compile and install kernel modules
- Init script to load the modules
- Copy over all overlays and configuration files
- Init script to start seeed-voicecard bash script

< ... This now needs testing ... >

buildroot-external/Config.in

@@ -1,4 +1,4 @@
-menu "Additional libraries and applications"
+menu "Additional drivers, libraries and/or applications"
 	source "$BR2_EXTERNAL_MYCROFTOS_PATH/package/fann/Config.in"
 	source "$BR2_EXTERNAL_MYCROFTOS_PATH/package/respeaker/Config.in"
 endmenu

buildroot-external/board/raspberrypi/config.txt

@@ -24,3 +24,8 @@ dtparam=audio=on
 
 # Disable rainbow color splash
 disable_splash=1
+
+# Enable some optional hardware interfaces
+dtparam=i2c_arm=on
+dtoverlay=i2s-mmap
+dtparam=i2s=on

buildroot-external/package/respeaker/Config.in

@@ -0,0 +1,14 @@
+config BR2_PACKAGE_RESPEAKER
+	bool "respeaker"
+	help
+	  The ReSpeaker series is a family of 
+	  development boards designed to enable 
+	  a future where voice interface is part 
+	  of everyday human-device interaction. 
+	  Designed to be easily integrated (and 
+	  customized) into products, but also to 
+	  allow other services and products to be 
+	  easily integrated into it.
+
+	  https://respeaker.io/
+

buildroot-external/package/respeaker/S16respeaker_modules

@@ -0,0 +1,3 @@
+snd-soc-seeed-voicecard
+snd-soc-ac108
+snd-soc-wm8960

buildroot-external/package/respeaker/S60seeed_voicecard

@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# seeed-voicecard	Starts seeed-voicecard.
+#
+
+umask 077
+
+start() {
+	printf "Starting seeed-voicecard: "
+	/usr/bin/seeed-voicecard
+	touch /var/lock/seeed-voicecard
+	echo "OK"
+}
+stop() {
+	printf "Stopping seeed-voicecard: "
+	killall seeed-voicecard
+	rm -f /var/lock/seeed-voicecard
+	echo "OK"
+}
+restart() {
+	stop
+	start
+}
+
+case "$1" in
+  start)
+	start
+	;;
+  stop)
+	stop
+	;;
+  restart|reload)
+	restart
+	;;
+  *)
+	echo "Usage: $0 {start|stop|restart}"
+	exit 1
+esac
+
+exit $?
+

buildroot-external/package/respeaker/respeaker.hash

@@ -0,0 +1,2 @@
+# Locally computed
+sha256	9f38d832acbfc7f07a58f15222d2fdcc0a9215ede488ccafb5c89a3e8223883d  respeaker-be0812c70be29b0666a89f22a9d403cfb4c48fca.tar.gz

buildroot-external/package/respeaker/respeaker.mk

@@ -0,0 +1,31 @@
+################################################################################
+#
+# respeaker
+#
+################################################################################
+
+RESPEAKER_VERSION = be0812c70be29b0666a89f22a9d403cfb4c48fca
+RESPEAKER_SITE = $(call github,respeaker,seeed-voicecard,$(RESPEAKER_VERSION))
+RESPEAKER_LICENSE = GNU General Public License v3.0
+RESPEAKER_DEPENDENCIES = rpi-firmware
+
+$(eval $(kernel-module))
+
+define RESPEAKER_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(BR2_EXTERNAL_MYCROFTOS_PATH)/package/respeaker/S16respeaker_modules \
+		$(TARGET_DIR)/etc/init.d/S16respeaker_modules
+	$(INSTALL) -D -m 0755 $(BR2_EXTERNAL_MYCROFTOS_PATH)/package/respeaker/S60seeed_voicecard \
+                $(TARGET_DIR)/etc/init.d/S60seeed_voicecard
+
+	mkdir -p $(TARGET_DIR)/etc/voicecard
+	rm $(@D)/dkms.conf
+	$(INSTALL) -D -m 0644 $(@D)/*.conf $(TARGET_DIR)/etc/voicecard
+	$(INSTALL) -D -m 0644 $(@D)/*.state $(TARGET_DIR)/etc/voicecard
+	$(INSTALL) -D -m 0755 $(@D)/seeed-voicecard $(TARGET_DIR)/usr/bin
+
+	$(INSTALL) -D -m 0644 $(@D)/seeed-2mic-voicecard.dtbo $(BINARIES_DIR)/rpi-firmware/overlays/
+        $(INSTALL) -D -m 0644 $(@D)/seeed-4mic-voicecard.dtbo $(BINARIES_DIR)/rpi-firmware/overlays/
+        $(INSTALL) -D -m 0644 $(@D)/seeed-8mic-voicecard.dtbo $(BINARIES_DIR)/rpi-firmware/overlays/
+endef
+
+$(eval $(generic-package))