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component/bt: fix the format and add more content to A2DP source example document and source code

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This commit is contained in:
wangmengyang
2018-08-16 20:08:00 +08:00
parent 638581d872
commit 0465e930d5
3 changed files with 139 additions and 72 deletions
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96
examples/bluetooth/a2dp_source/main/main.c
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@@ -74,15 +74,15 @@ static void bt_app_av_state_connecting(uint16_t event, void *param);
static void bt_app_av_state_connected(uint16_t event, void *param);
static void bt_app_av_state_disconnecting(uint16_t event, void *param);
static esp_bd_addr_t peer_bda = {0};
static uint8_t peer_bdname[ESP_BT_GAP_MAX_BDNAME_LEN + 1];
static int m_a2d_state = APP_AV_STATE_IDLE;
static int m_media_state = APP_AV_MEDIA_STATE_IDLE;
static int m_intv_cnt = 0;
static int m_connecting_intv = 0;
static uint32_t m_pkt_cnt = 0;
static esp_bd_addr_t s_peer_bda = {0};
static uint8_t s_peer_bdname[ESP_BT_GAP_MAX_BDNAME_LEN + 1];
static int s_a2d_state = APP_AV_STATE_IDLE;
static int s_media_state = APP_AV_MEDIA_STATE_IDLE;
static int s_intv_cnt = 0;
static int s_connecting_intv = 0;
static uint32_t s_pkt_cnt = 0;
TimerHandle_t tmr;
static TimerHandle_t s_tmr;
static char *bda2str(esp_bd_addr_t bda, char *str, size_t size)
{
@@ -210,14 +210,14 @@ static void filter_inquiry_scan_result(esp_bt_gap_cb_param_t *param)
/* search for device named "ESP_SPEAKER" in its extended inqury response */
if (eir) {
get_name_from_eir(eir, peer_bdname, NULL);
if (strcmp((char *)peer_bdname, "ESP_SPEAKER") != 0) {
get_name_from_eir(eir, s_peer_bdname, NULL);
if (strcmp((char *)s_peer_bdname, "ESP_SPEAKER") != 0) {
return;
}
ESP_LOGI(BT_AV_TAG, "Found a target device, address %s, name %s", bda_str, peer_bdname);
m_a2d_state = APP_AV_STATE_DISCOVERED;
memcpy(peer_bda, param->disc_res.bda, ESP_BD_ADDR_LEN);
ESP_LOGI(BT_AV_TAG, "Found a target device, address %s, name %s", bda_str, s_peer_bdname);
s_a2d_state = APP_AV_STATE_DISCOVERED;
memcpy(s_peer_bda, param->disc_res.bda, ESP_BD_ADDR_LEN);
ESP_LOGI(BT_AV_TAG, "Cancel device discovery ...");
esp_bt_gap_cancel_discovery();
}
@@ -233,11 +233,11 @@ void bt_app_gap_cb(esp_bt_gap_cb_event_t event, esp_bt_gap_cb_param_t *param)
}
case ESP_BT_GAP_DISC_STATE_CHANGED_EVT: {
if (param->disc_st_chg.state == ESP_BT_GAP_DISCOVERY_STOPPED) {
if (m_a2d_state == APP_AV_STATE_DISCOVERED) {
m_a2d_state = APP_AV_STATE_CONNECTING;
if (s_a2d_state == APP_AV_STATE_DISCOVERED) {
s_a2d_state = APP_AV_STATE_CONNECTING;
ESP_LOGI(BT_AV_TAG, "Device discovery stopped.");
ESP_LOGI(BT_AV_TAG, "a2dp connecting to peer: %s", peer_bdname);
esp_a2d_source_connect(peer_bda);
ESP_LOGI(BT_AV_TAG, "a2dp connecting to peer: %s", s_peer_bdname);
esp_a2d_source_connect(s_peer_bda);
} else {
// not discovered, continue to discover
ESP_LOGI(BT_AV_TAG, "Device discovery failed, continue to discover...");
@@ -252,7 +252,7 @@ void bt_app_gap_cb(esp_bt_gap_cb_event_t event, esp_bt_gap_cb_param_t *param)
case ESP_BT_GAP_RMT_SRVC_REC_EVT:
break;
#ifdef CONFIG_BT_SSP_ENABLE
case ESP_BT_GAP_AUTH_CMPL_EVT:{
case ESP_BT_GAP_AUTH_CMPL_EVT: {
if (param->auth_cmpl.stat == ESP_BT_STATUS_SUCCESS) {
ESP_LOGI(BT_AV_TAG, "authentication success: %s", param->auth_cmpl.device_name);
esp_log_buffer_hex(BT_AV_TAG, param->auth_cmpl.bda, ESP_BD_ADDR_LEN);
@@ -302,15 +302,15 @@ static void bt_av_hdl_stack_evt(uint16_t event, void *p_param)
/* start device discovery */
ESP_LOGI(BT_AV_TAG, "Starting device discovery...");
m_a2d_state = APP_AV_STATE_DISCOVERING;
s_a2d_state = APP_AV_STATE_DISCOVERING;
esp_bt_gap_start_discovery(ESP_BT_INQ_MODE_GENERAL_INQUIRY, 10, 0);
/* create and start heart beat timer */
do {
int tmr_id = 0;
tmr = xTimerCreate("connTmr", (10000 / portTICK_RATE_MS),
s_tmr = xTimerCreate("connTmr", (10000 / portTICK_RATE_MS),
pdTRUE, (void *)tmr_id, a2d_app_heart_beat);
xTimerStart(tmr, portMAX_DELAY);
xTimerStart(s_tmr, portMAX_DELAY);
} while (0);
break;
}
@@ -348,8 +348,8 @@ static void a2d_app_heart_beat(void *arg)
static void bt_app_av_sm_hdlr(uint16_t event, void *param)
{
ESP_LOGI(BT_AV_TAG, "%s state %d, evt 0x%x", __func__, m_a2d_state, event);
switch (m_a2d_state) {
ESP_LOGI(BT_AV_TAG, "%s state %d, evt 0x%x", __func__, s_a2d_state, event);
switch (s_a2d_state) {
case APP_AV_STATE_DISCOVERING:
case APP_AV_STATE_DISCOVERED:
break;
@@ -366,7 +366,7 @@ static void bt_app_av_sm_hdlr(uint16_t event, void *param)
bt_app_av_state_disconnecting(event, param);
break;
default:
ESP_LOGE(BT_AV_TAG, "%s invalid state %d", __func__, m_a2d_state);
ESP_LOGE(BT_AV_TAG, "%s invalid state %d", __func__, s_a2d_state);
break;
}
}
@@ -380,12 +380,12 @@ static void bt_app_av_state_unconnected(uint16_t event, void *param)
case ESP_A2D_MEDIA_CTRL_ACK_EVT:
break;
case BT_APP_HEART_BEAT_EVT: {
uint8_t *p = peer_bda;
uint8_t *p = s_peer_bda;
ESP_LOGI(BT_AV_TAG, "a2dp connecting to peer: %02x:%02x:%02x:%02x:%02x:%02x",
p[0], p[1], p[2], p[3], p[4], p[5]);
esp_a2d_source_connect(peer_bda);
m_a2d_state = APP_AV_STATE_CONNECTING;
m_connecting_intv = 0;
esp_a2d_source_connect(s_peer_bda);
s_a2d_state = APP_AV_STATE_CONNECTING;
s_connecting_intv = 0;
break;
}
default:
@@ -402,11 +402,11 @@ static void bt_app_av_state_connecting(uint16_t event, void *param)
a2d = (esp_a2d_cb_param_t *)(param);
if (a2d->conn_stat.state == ESP_A2D_CONNECTION_STATE_CONNECTED) {
ESP_LOGI(BT_AV_TAG, "a2dp connected");
m_a2d_state = APP_AV_STATE_CONNECTED;
m_media_state = APP_AV_MEDIA_STATE_IDLE;
s_a2d_state = APP_AV_STATE_CONNECTED;
s_media_state = APP_AV_MEDIA_STATE_IDLE;
esp_bt_gap_set_scan_mode(ESP_BT_SCAN_MODE_NONE);
} else if (a2d->conn_stat.state == ESP_A2D_CONNECTION_STATE_DISCONNECTED) {
m_a2d_state = APP_AV_STATE_UNCONNECTED;
s_a2d_state = APP_AV_STATE_UNCONNECTED;
}
break;
}
@@ -415,9 +415,9 @@ static void bt_app_av_state_connecting(uint16_t event, void *param)
case ESP_A2D_MEDIA_CTRL_ACK_EVT:
break;
case BT_APP_HEART_BEAT_EVT:
if (++m_connecting_intv >= 2) {
m_a2d_state = APP_AV_STATE_UNCONNECTED;
m_connecting_intv = 0;
if (++s_connecting_intv >= 2) {
s_a2d_state = APP_AV_STATE_UNCONNECTED;
s_connecting_intv = 0;
}
break;
default:
@@ -429,7 +429,7 @@ static void bt_app_av_state_connecting(uint16_t event, void *param)
static void bt_app_av_media_proc(uint16_t event, void *param)
{
esp_a2d_cb_param_t *a2d = NULL;
switch (m_media_state) {
switch (s_media_state) {
case APP_AV_MEDIA_STATE_IDLE: {
if (event == BT_APP_HEART_BEAT_EVT) {
ESP_LOGI(BT_AV_TAG, "a2dp media ready checking ...");
@@ -440,7 +440,7 @@ static void bt_app_av_media_proc(uint16_t event, void *param)
a2d->media_ctrl_stat.status == ESP_A2D_MEDIA_CTRL_ACK_SUCCESS) {
ESP_LOGI(BT_AV_TAG, "a2dp media ready, starting ...");
esp_a2d_media_ctrl(ESP_A2D_MEDIA_CTRL_START);
m_media_state = APP_AV_MEDIA_STATE_STARTING;
s_media_state = APP_AV_MEDIA_STATE_STARTING;
}
}
break;
@@ -451,23 +451,23 @@ static void bt_app_av_media_proc(uint16_t event, void *param)
if (a2d->media_ctrl_stat.cmd == ESP_A2D_MEDIA_CTRL_START &&
a2d->media_ctrl_stat.status == ESP_A2D_MEDIA_CTRL_ACK_SUCCESS) {
ESP_LOGI(BT_AV_TAG, "a2dp media start successfully.");
m_intv_cnt = 0;
m_media_state = APP_AV_MEDIA_STATE_STARTED;
s_intv_cnt = 0;
s_media_state = APP_AV_MEDIA_STATE_STARTED;
} else {
// not started succesfully, transfer to idle state
ESP_LOGI(BT_AV_TAG, "a2dp media start failed.");
m_media_state = APP_AV_MEDIA_STATE_IDLE;
s_media_state = APP_AV_MEDIA_STATE_IDLE;
}
}
break;
}
case APP_AV_MEDIA_STATE_STARTED: {
if (event == BT_APP_HEART_BEAT_EVT) {
if (++m_intv_cnt >= 10) {
if (++s_intv_cnt >= 10) {
ESP_LOGI(BT_AV_TAG, "a2dp media stopping...");
esp_a2d_media_ctrl(ESP_A2D_MEDIA_CTRL_STOP);
m_media_state = APP_AV_MEDIA_STATE_STOPPING;
m_intv_cnt = 0;
s_media_state = APP_AV_MEDIA_STATE_STOPPING;
s_intv_cnt = 0;
}
}
break;
@@ -478,9 +478,9 @@ static void bt_app_av_media_proc(uint16_t event, void *param)
if (a2d->media_ctrl_stat.cmd == ESP_A2D_MEDIA_CTRL_STOP &&
a2d->media_ctrl_stat.status == ESP_A2D_MEDIA_CTRL_ACK_SUCCESS) {
ESP_LOGI(BT_AV_TAG, "a2dp media stopped successfully, disconnecting...");
m_media_state = APP_AV_MEDIA_STATE_IDLE;
esp_a2d_source_disconnect(peer_bda);
m_a2d_state = APP_AV_STATE_DISCONNECTING;
s_media_state = APP_AV_MEDIA_STATE_IDLE;
esp_a2d_source_disconnect(s_peer_bda);
s_a2d_state = APP_AV_STATE_DISCONNECTING;
} else {
ESP_LOGI(BT_AV_TAG, "a2dp media stopping...");
esp_a2d_media_ctrl(ESP_A2D_MEDIA_CTRL_STOP);
@@ -499,7 +499,7 @@ static void bt_app_av_state_connected(uint16_t event, void *param)
a2d = (esp_a2d_cb_param_t *)(param);
if (a2d->conn_stat.state == ESP_A2D_CONNECTION_STATE_DISCONNECTED) {
ESP_LOGI(BT_AV_TAG, "a2dp disconnected");
m_a2d_state = APP_AV_STATE_UNCONNECTED;
s_a2d_state = APP_AV_STATE_UNCONNECTED;
esp_bt_gap_set_scan_mode(ESP_BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
}
break;
@@ -507,7 +507,7 @@ static void bt_app_av_state_connected(uint16_t event, void *param)
case ESP_A2D_AUDIO_STATE_EVT: {
a2d = (esp_a2d_cb_param_t *)(param);
if (ESP_A2D_AUDIO_STATE_STARTED == a2d->audio_stat.state) {
m_pkt_cnt = 0;
s_pkt_cnt = 0;
}
break;
}
@@ -533,7 +533,7 @@ static void bt_app_av_state_disconnecting(uint16_t event, void *param)
a2d = (esp_a2d_cb_param_t *)(param);
if (a2d->conn_stat.state == ESP_A2D_CONNECTION_STATE_DISCONNECTED) {
ESP_LOGI(BT_AV_TAG, "a2dp disconnected");
m_a2d_state = APP_AV_STATE_UNCONNECTED;
s_a2d_state = APP_AV_STATE_UNCONNECTED;
esp_bt_gap_set_scan_mode(ESP_BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
}
break;