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component/bt: add esp_ibeacon_api file

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This commit is contained in:
island
2017-09-04 21:17:09 +08:00
parent 941001959e
commit 9e27c24e54
3 changed files with 169 additions and 88 deletions
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78
examples/bluetooth/ble_ibeacon/main/esp_ibeacon_api.c Normal file
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@@ -0,0 +1,78 @@
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/****************************************************************************
*
* This file is for iBeacon APIs. It supports both iBeacon encode and decode.
*
* iBeacon is a trademark of Apple Inc. Before building devices which use iBeacon technology,
* visit https://developer.apple.com/ibeacon/ to obtain a license.
*
****************************************************************************/
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include "esp_gap_ble_api.h"
#include "esp_ibeacon_api.h"
const uint8_t uuid_zeros[ESP_UUID_LEN_128] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
/* For iBeacon packet format, please refer to Apple "Proximity Beacon Specification" doc */
/* Constant part of iBeacon data */
esp_ble_ibeacon_head_t ibeacon_common_head = {
.flags = {0x02, 0x01, 0x06},
.length = 0x1A,
.type = 0xFF,
.company_id = 0x004C,
.beacon_type = 0x1502
};
/* Vendor part of iBeacon data*/
esp_ble_ibeacon_vendor_t vendor_config = {
.proximity_uuid = ESP_UUID,
.major = ENDIAN_CHANGE_U16(ESP_MAJOR), //Major=ESP_MAJOR
.minor = ENDIAN_CHANGE_U16(ESP_MINOR), //Minor=ESP_MINOR
.measured_power = 0xC5
};
BOOLEAN esp_ble_is_ibeacon_packet (uint8_t *adv_data, uint8_t adv_data_len){
BOOLEAN result = FALSE;
if ((adv_data != NULL) && (adv_data_len == 0x1E)){
if (!memcmp(adv_data, (uint8_t*)&ibeacon_common_head, sizeof(ibeacon_common_head))){
result = TRUE;
}
}
return result;
}
esp_err_t esp_ble_config_ibeacon_data (esp_ble_ibeacon_vendor_t *vendor_config, esp_ble_ibeacon_t *ibeacon_adv_data){
if ((vendor_config == NULL) || (ibeacon_adv_data == NULL) || (!memcmp(vendor_config->proximity_uuid, uuid_zeros, sizeof(uuid_zeros)))){
return ESP_ERR_INVALID_ARG;
}
memcpy(&ibeacon_adv_data->ibeacon_head, &ibeacon_common_head, sizeof(esp_ble_ibeacon_head_t));
memcpy(&ibeacon_adv_data->ibeacon_vendor, vendor_config, sizeof(esp_ble_ibeacon_vendor_t));
return ESP_OK;
}

84
examples/bluetooth/ble_ibeacon/main/esp_ibeacon_api.h Normal file
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@@ -0,0 +1,84 @@
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/****************************************************************************
*
* This file is for iBeacon definitions. It supports both iBeacon sender and receiver
* which is distinguished by macros IBEACON_SENDER and IBEACON_RECEIVER,
*
* iBeacon is a trademark of Apple Inc. Before building devices which use iBeacon technology,
* visit https://developer.apple.com/ibeacon/ to obtain a license.
*
****************************************************************************/
#include <stdint.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include "controller.h"
#include "esp_gap_ble_api.h"
#include "esp_gattc_api.h"
/* Because current ESP IDF version doesn't support scan and adv simultaneously,
* so iBeacon sender and receiver should not run simultaneously */
#define IBEACON_SENDER 0
#define IBEACON_RECEIVER 1
#define IBEACON_MODE IBEACON_SENDER
/* Major and Minor part are stored in big endian mode in iBeacon packet,
* need to use this macro to transfer while creating or processing
* iBeacon data */
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00)>>8) + (((x)&0xFF)<<8))
/* Espressif WeChat official account can be found using WeChat "Yao Yi Yao Zhou Bian",
* if device advertises using ESP defined UUID.
* Please refer to http://zb.weixin.qq.com for further information. */
#define ESP_UUID {0xFD, 0xA5, 0x06, 0x93, 0xA4, 0xE2, 0x4F, 0xB1, 0xAF, 0xCF, 0xC6, 0xEB, 0x07, 0x64, 0x78, 0x25}
#define ESP_MAJOR 10167
#define ESP_MINOR 61958
typedef struct {
uint8_t flags[3];
uint8_t length;
uint8_t type;
uint16_t company_id;
uint16_t beacon_type;
}__attribute__((packed)) esp_ble_ibeacon_head_t;
typedef struct {
uint8_t proximity_uuid[16];
uint16_t major;
uint16_t minor;
int8_t measured_power;
}__attribute__((packed)) esp_ble_ibeacon_vendor_t;
typedef struct {
esp_ble_ibeacon_head_t ibeacon_head;
esp_ble_ibeacon_vendor_t ibeacon_vendor;
}__attribute__((packed)) esp_ble_ibeacon_t;
/* For iBeacon packet format, please refer to Apple "Proximity Beacon Specification" doc */
/* Constant part of iBeacon data */
extern esp_ble_ibeacon_head_t ibeacon_common_head;
BOOLEAN esp_ble_is_ibeacon_packet (uint8_t *adv_data, uint8_t adv_data_len);
esp_err_t esp_ble_config_ibeacon_data (esp_ble_ibeacon_vendor_t *vendor_config, esp_ble_ibeacon_t *ibeacon_adv_data);

95
examples/bluetooth/ble_ibeacon/main/ibeacon_demo.c
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@@ -1,12 +1,4 @@
// Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD // Copyright 2015-2017 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, // distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and // See the License for the specific language governing permissions and
@@ -36,20 +28,11 @@
#include "esp_gattc_api.h" #include "esp_gattc_api.h"
#include "esp_gatt_defs.h" #include "esp_gatt_defs.h"
#include "esp_bt_main.h" #include "esp_bt_main.h"
#include "esp_ibeacon_api.h"
/* Because current ESP IDF version doesn't support scan and adv simultaneously,
* so iBeacon sender and receiver should not run simultaneously */
#define IBEACON_SENDER 0
#define IBEACON_RECEIVER 1
#define IBEACON_MODE IBEACON_RECEIVER
static const char* DEMO_TAG = "IBEACON_DEMO"; static const char* DEMO_TAG = "IBEACON_DEMO";
extern esp_ble_ibeacon_vendor_t vendor_config;
/* Major and Minor part are stored in big endian mode in iBeacon packet,
* need to use this macro to transfer while creating or processing
* iBeacon data */
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00)>>8) + (((x)&0xFF)<<8))
///Declare static functions ///Declare static functions
static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param); static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param);
@@ -75,72 +58,6 @@ static esp_ble_adv_params_t ble_adv_params = {
#endif #endif
typedef struct {
uint8_t flags[3];
uint8_t length;
uint8_t type;
uint16_t company_id;
uint16_t beacon_type;
}__attribute__((packed)) esp_ble_ibeacon_head_t;
typedef struct {
uint8_t proximity_uuid[16];
uint16_t major;
uint16_t minor;
int8_t measured_power;
}__attribute__((packed)) esp_ble_ibeacon_vendor_t;
typedef struct {
esp_ble_ibeacon_head_t ibeacon_head;
esp_ble_ibeacon_vendor_t ibeacon_vendor;
}__attribute__((packed)) esp_ble_ibeacon_t;
const uint8_t uuid_zeros[ESP_UUID_LEN_128] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
/* For iBeacon packet format, please refer to Apple "Proximity Beacon Specification" doc */
/* Constant part of iBeacon data */
const esp_ble_ibeacon_head_t ibeacon_common_head = {
.flags = {0x02, 0x01, 0x06},
.length = 0x1A,
.type = 0xFF,
.company_id = 0x004C,
.beacon_type = 0x1502
};
/* Vendor part of iBeacon data*/
esp_ble_ibeacon_vendor_t vendor_config = {
.proximity_uuid = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0XFF},
.major = ENDIAN_CHANGE_U16(0x0001), //Major=0x0001
.minor = ENDIAN_CHANGE_U16(0x0010), //Minor=0x0010
.measured_power = 0xC5
};
BOOLEAN esp_ble_is_ibeacon_packet (uint8_t *adv_data, uint8_t adv_data_len){
BOOLEAN result = FALSE;
false;
if ((adv_data != NULL) && (adv_data_len == 0x1E)){
if (!memcmp(adv_data, (uint8_t*)&ibeacon_common_head, sizeof(ibeacon_common_head))){
result = TRUE;
}
}
return result;
}
esp_err_t esp_ble_config_ibeacon_data (esp_ble_ibeacon_vendor_t *vendor_config, esp_ble_ibeacon_t *ibeacon_adv_data){
if ((vendor_config == NULL) || (ibeacon_adv_data == NULL) || (!memcmp(vendor_config->proximity_uuid, uuid_zeros, sizeof(uuid_zeros)))){
return ESP_ERR_INVALID_ARG;
}
memcpy(&ibeacon_adv_data->ibeacon_head, &ibeacon_common_head, sizeof(esp_ble_ibeacon_head_t));
memcpy(&ibeacon_adv_data->ibeacon_vendor, vendor_config, sizeof(esp_ble_ibeacon_vendor_t));
return ESP_OK;
}
static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param) static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
{ {
switch (event) { switch (event) {
@@ -181,8 +98,10 @@ static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *par
esp_log_buffer_hex("IBEACON_DEMO: Device address:", scan_result->scan_rst.bda, BD_ADDR_LEN ); esp_log_buffer_hex("IBEACON_DEMO: Device address:", scan_result->scan_rst.bda, BD_ADDR_LEN );
esp_log_buffer_hex("IBEACON_DEMO: Proximity UUID:", ibeacon_data->ibeacon_vendor.proximity_uuid, ESP_UUID_LEN_128); esp_log_buffer_hex("IBEACON_DEMO: Proximity UUID:", ibeacon_data->ibeacon_vendor.proximity_uuid, ESP_UUID_LEN_128);
ESP_LOGI(DEMO_TAG, "Major: 0x%04x", ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.major)); uint16_t major = ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.major);
ESP_LOGI(DEMO_TAG, "Minor: 0x%04x", ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.minor)); uint16_t minor = ENDIAN_CHANGE_U16(ibeacon_data->ibeacon_vendor.minor);
ESP_LOGI(DEMO_TAG, "Major: 0x%04x (%d)", major, major);
ESP_LOGI(DEMO_TAG, "Minor: 0x%04x (%d)", minor, minor);
ESP_LOGI(DEMO_TAG, "Measured power (RSSI at a 1m distance):%d dbm", ibeacon_data->ibeacon_vendor.measured_power); ESP_LOGI(DEMO_TAG, "Measured power (RSSI at a 1m distance):%d dbm", ibeacon_data->ibeacon_vendor.measured_power);
ESP_LOGI(DEMO_TAG, "RSSI of packet:%d dbm", scan_result->scan_rst.rssi); ESP_LOGI(DEMO_TAG, "RSSI of packet:%d dbm", scan_result->scan_rst.rssi);
} }