Alert Notification Service

[中文]

The Alert Notification service exposes alert information in a device. This information includes the following:

1. Type of alert occurring in a device

2. Additional text information such as caller ID or sender ID

3. Count of new alerts

4. Count of unread alert items.

Examples

bluetooth/ble_services/ble_ans.

API Reference

Header File

• components/bluetooth/ble_services/ans/include/esp_ans.h

Functions

esp_err_t esp_ble_ans_get_new_alert(uint8_t cat_id, uint8_t *cat_val)

Read the value of or check supported new alert category.

Attention

1. When cat_id is 0xFF, read the value of supported new alert category.

Attention

2. When cat_id isn’t 0xFF, check supported new alert category is enable or disable.

Parameters

• cat_id – [in] The ID of the category to read or check

• cat_val – [out] The value of read or check supported new alert category

Returns

• ESP_OK on successful

• ESP_ERR_INVALID_ARG on wrong category of the new alert

esp_err_t esp_ble_ans_set_new_alert(uint8_t cat_id, const char *cat_info)

Send a new alert notification to the given category with the given info string.

Parameters

• cat_id – The ID of the category to send the notification to

• cat_info – The info string to send with the notification

Returns

• ESP_OK on successful

• ESP_ERR_INVALID_ARG on wrong category of the new alert

esp_err_t esp_ble_ans_get_unread_alert(uint8_t cat_id, uint8_t *cat_val)

Read the value of or check supported unread alert status category.

Attention

1. When cat_id is 0xFF, read the value of supported unread alert status category.

Attention

2. When cat_id isn’t 0xFF, check supported unread alert status category is enable or disable.

Parameters

• cat_id – [in] The ID of the category to read or check

• cat_val – [out] The value of read or check supported unread alert status category

Returns

• ESP_OK on successful

• ESP_ERR_INVALID_ARG on wrong category of the unread alert

esp_err_t esp_ble_ans_set_unread_alert(uint8_t cat_id)

Send an unread alert to the given category then notifies the client if the given category is valid and enabled.

Parameters

cat_id – The ID of the category which should be incremented and notified

Returns

• ESP_OK on successful

• ESP_ERR_INVALID_ARG on wrong category of the unread alert

esp_err_t esp_ble_ans_init(void)

Initialization GATT Alert Notification Service.

Returns

• ESP_OK on successful

• ESP_ERR_INVALID_ARG on wrong initialization

• ESP_FAIL on error

Macros

BLE_ANS_UUID16

BLE_ANS_CHR_UUID16_SUP_NEW_ALERT_CAT

BLE_ANS_CHR_UUID16_NEW_ALERT

BLE_ANS_CHR_UUID16_SUP_UNR_ALERT_CAT

BLE_ANS_CHR_UUID16_UNR_ALERT_STAT

BLE_ANS_CHR_UUID16_ALERT_NOT_CTRL_PT

BLE_ANS_CAT_BM_NONE

BLE_ANS_CAT_BM_SIMPLE_ALERT

BLE_ANS_CAT_BM_EMAIL

BLE_ANS_CAT_BM_NEWS

BLE_ANS_CAT_BM_CALL

BLE_ANS_CAT_BM_MISSED_CALL

BLE_ANS_CAT_BM_SMS

BLE_ANS_CAT_BM_VOICE_MAIL

BLE_ANS_CAT_BM_SCHEDULE

BLE_ANS_CAT_ID_SIMPLE_ALERT

BLE_ANS_CAT_ID_EMAIL

BLE_ANS_CAT_ID_NEWS

BLE_ANS_CAT_ID_CALL

BLE_ANS_CAT_ID_MISSED_CALL

BLE_ANS_CAT_ID_SMS

BLE_ANS_CAT_ID_VOICE_MAIL

BLE_ANS_CAT_ID_SCHEDULE

BLE_ANS_CAT_NUM

BLE_ANS_CMD_EN_NEW_ALERT_CAT

BLE_ANS_CMD_EN_UNR_ALERT_CAT

BLE_ANS_CMD_DIS_NEW_ALERT_CAT

BLE_ANS_CMD_DIS_UNR_ALERT_CAT

BLE_ANS_CMD_NOT_NEW_ALERT_IMMEDIATE

BLE_ANS_CMD_NOT_UNR_ALERT_IMMEDIATE

BLE_ANS_INFO_STR_MAX_LEN

BLE_ANS_NEW_ALERT_MAX_LEN

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