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Use leds to indicate state #4

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27 changes: 27 additions & 0 deletions app/src/broadcast_assistant.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#include <zephyr/bluetooth/audio/bap.h>
#include <zephyr/logging/log.h>
#include <zephyr/sys/byteorder.h>
#include <zephyr/drivers/gpio.h>

#include "webusb.h"
#include "message_handler.h"
Expand Down Expand Up @@ -80,6 +81,9 @@ static uint32_t ba_source_broadcast_id;
static uint8_t ba_source_id; /* Source ID of the receive state */
static struct bt_bap_scan_delegator_recv_state recv_state = {0};

const struct gpio_dt_spec sinkLed = GPIO_DT_SPEC_GET(DT_ALIAS(led0), gpios);
const struct gpio_dt_spec sourceLed = GPIO_DT_SPEC_GET(DT_ALIAS(led1), gpios);

/*
* Private functions
*/
Expand Down Expand Up @@ -250,6 +254,8 @@ static void broadcast_assistant_add_src_cb(struct bt_conn *conn, int err)
net_buf_add_le32(evt_msg, err);

send_net_buf_event(MESSAGE_SUBTYPE_SOURCE_ADDED, evt_msg);

gpio_pin_set(sourceLed.port, sourceLed.pin, 1);
}

static void broadcast_assistant_mod_src_cb(struct bt_conn *conn, int err)
Expand All @@ -271,6 +277,8 @@ static void broadcast_assistant_rem_src_cb(struct bt_conn *conn, int err)
{
LOG_INF("BASS remove source (err: %d)", err);
ba_source_id = 0;

gpio_pin_set(sourceLed.port, sourceLed.pin, 0);
}

static void connected(struct bt_conn *conn, uint8_t err)
Expand Down Expand Up @@ -311,6 +319,7 @@ static void connected(struct bt_conn *conn, uint8_t err)
LOG_ERR("Setting security failed (err %d)", err);
}

gpio_pin_set(sinkLed.port, sinkLed.pin, 1);
}

static void disconnected(struct bt_conn *conn, uint8_t reason)
Expand Down Expand Up @@ -340,6 +349,8 @@ static void disconnected(struct bt_conn *conn, uint8_t reason)
ba_sink_conn = NULL;

send_net_buf_event(MESSAGE_SUBTYPE_SINK_DISCONNECTED, evt_msg);

gpio_pin_set(sinkLed.port, sinkLed.pin, 0);
}

static void security_changed_cb(struct bt_conn *conn, bt_security_t level, enum bt_security_err err)
Expand Down Expand Up @@ -879,6 +890,22 @@ int broadcast_assistant_init(void)
bt_bap_broadcast_assistant_register_cb(&broadcast_assistant_callbacks);
LOG_INF("Bluetooth scan callback registered");

if (!device_is_ready(sinkLed.port) ||
!device_is_ready(sourceLed.port)) {
return -1;
}
err = gpio_pin_configure_dt(&sinkLed, GPIO_OUTPUT_INACTIVE);
if (err < 0) {
return err;
}
err = gpio_pin_configure_dt(&sourceLed, GPIO_OUTPUT_INACTIVE);
if (err < 0) {
return err;
}
gpio_pin_set(sinkLed.port, sinkLed.pin, 0);
gpio_pin_set(sourceLed.port, sourceLed.pin, 0);
LOG_INF("LED's initialzed");

ba_scan_target = 0;

return 0;
Expand Down