From 6c333d061e6f2d3bee5758d5e7fc6de14de4c53c Mon Sep 17 00:00:00 2001
From: Milanka Ringwald <mila@ringwald.ch>
Date: Fri, 27 Oct 2017 10:21:06 +0200
Subject: [PATCH] a2dp sink demo: warning on avrcp cmds called
beforeestablishing AVRCP connection
---
example/a2dp_sink_demo.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)
diff --git a/example/a2dp_sink_demo.c b/example/a2dp_sink_demo.c
index 5b5f241a8..a186347ce 100644
--- a/example/a2dp_sink_demo.c
+++ b/example/a2dp_sink_demo.c
@@ -184,7 +184,8 @@ static bd_addr_t device_addr;
#endif
static uint16_t avrcp_cid = 0;
-static uint8_t sdp_avrcp_controller_service_buffer[200];
+static uint8_t avrcp_connected = 0;
+static uint8_t sdp_avrcp_controller_service_buffer[200];
#ifdef HAVE_PORTAUDIO
static int patestCallback( const void *inputBuffer, void *outputBuffer,
@@ -585,17 +586,21 @@ static void avrcp_controller_packet_handler(uint8_t packet_type, uint16_t channe
}
avrcp_cid = local_cid;
+ avrcp_connected = 1;
avrcp_subevent_connection_established_get_bd_addr(packet, adress);
printf("Channel successfully opened: %s, avrcp_cid 0x%02x\n", bd_addr_to_str(adress), avrcp_cid);
// automatically enable notifications
avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_PLAYBACK_STATUS_CHANGED);
avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_NOW_PLAYING_CONTENT_CHANGED);
+ avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_VOLUME_CHANGED);
+ avrcp_controller_enable_notification(avrcp_cid, AVRCP_NOTIFICATION_EVENT_TRACK_CHANGED);
return;
}
case AVRCP_SUBEVENT_CONNECTION_RELEASED:
printf("Channel released: avrcp_cid 0x%02x\n", avrcp_subevent_connection_released_get_avrcp_cid(packet));
avrcp_cid = 0;
+ avrcp_connected = 0;
return;
default:
break;
@@ -862,6 +867,20 @@ static uint8_t media_sbc_codec_configuration[] = {
#ifdef HAVE_BTSTACK_STDIN
static void stdin_process(char cmd){
uint8_t status = ERROR_CODE_SUCCESS;
+ printf("stdin_process \n");
+ if (!avrcp_connected){
+ switch (cmd){
+ case 'b':
+ case 'B':
+ case 'c':
+ break;
+ default:
+ printf("Command '%c' cannot be performed - please use 'c' to establish an AVRCP connection with device (addr %s).\n", cmd, bd_addr_to_str(device_addr));
+ return;
+ }
+
+ }
+
switch (cmd){
case 'b':
status = a2dp_sink_establish_stream(device_addr, local_seid, &a2dp_cid);