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-rwxr-xr-xmeta-audio-4a-framework/recipes-multimedia/agl-service-audio-4a/files/4a_wait_bt.sh83
1 files changed, 83 insertions, 0 deletions
diff --git a/meta-audio-4a-framework/recipes-multimedia/agl-service-audio-4a/files/4a_wait_bt.sh b/meta-audio-4a-framework/recipes-multimedia/agl-service-audio-4a/files/4a_wait_bt.sh
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+++ b/meta-audio-4a-framework/recipes-multimedia/agl-service-audio-4a/files/4a_wait_bt.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+###############################################################
+# This is a workaround for SPEC-1762/SPEC-1763
+#
+# THIS SCRIPT MUST BE REMOVED ONCE THE ABOVE ISSUES ARE SOLVED
+#
+# Source recipe is:
+#
+# meta-audio-4a-framework/
+# recipes-multimedia/
+# agl-service-audio-4a/
+# agl-service-audio-4a_git.bb
+#
+# Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
+###############################################################
+
+# time from script startup
+LIMIT=20
+ts0=0
+function ts() { echo $(( $(date +%s) - ts0 )); }
+ts0=$(ts)
+function havetime() { [[ $(ts) -le ${1:-$LIMIT} ]] || return 1; }
+
+function waitloop() {
+ # ensure bt modules are loaded (delay: 5s)
+ while havetime 4; do
+ [[ -d /sys/module/bluetooth ]] && {
+ echo "bluetooth kernel module detected"
+ break
+ }
+ echo "waiting for bluetooth kernel module to be up"
+ sleep 0.2
+ done
+ havetime 4 || { echo "TIMEOUT REACHED"; return 1; }
+
+ # check that we have at least one controller
+ HCIDEV=
+ while havetime 8; do
+ echo "detecting hci devices..."
+ for x in $(ls /sys/class/bluetooth/hci* 2>/dev/null); do
+ [[ -z "$HCIDEV" ]] && HCIDEV=$(basename $x)
+ done
+ [[ -n "$HCIDEV" ]] && {
+ echo "found HCI controller: $HCIDEV"
+ break
+ }
+ sleep 0.2
+ done
+ havetime 8 || { echo "TIMEOUT REACHED"; return 1; }
+
+ # wait for controller to be up and running
+ while havetime 15; do
+ state=$(hciconfig $HCIDEV | grep -A 2 ^hci0 | tail -1)
+ [[ $state =~ UP ]] && [[ $state =~ RUNNING ]] && {
+ echo "HCI controller $HCIDEV state: $state"
+ break
+ }
+ echo "HCI controller $HCIDEV state: $state ... waiting for UP RUNNING"
+ sleep 0.2
+ done
+ havetime 15 || { echo "TIMEOUT REACHED"; return 1; }
+ echo "HCI device up and running after $(ts) seconds"
+
+ # wait for bluetooth-service to return something
+ while havetime; do
+ res=$(afb-client-demo -d unix:/run/user/$UID/apis/ws/Bluetooth-Manager power true)
+ [[ "$res" =~ \"response\":(.*)}$ ]] && res=${BASH_REMATCH[1]}
+ [[ "$res" == '{"power":"on"}' ]] && {
+ echo "Bluetooth-Manager/power: $res"
+ break
+ }
+ echo "Bluetooth-Manager/power: not ready yet ($res)"
+ sleep 0.2
+ done
+ echo "Bluetooth-Manager ready after $(ts) seconds"
+
+ echo "4A now starting..."
+}
+
+waitloop 2>&1 | sed 's/^/4AWAITBT /' >&2
+exec "$@"
+