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bluetooth communication data ok

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snow 2024-03-15 13:27:37 +08:00
parent 1c19c69c05
commit d7e84e433d
8 changed files with 204 additions and 801 deletions
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109
main/ble_gatts_server.c
View File

@ -282,7 +282,7 @@ static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param
/* /*
* [0]: 标识 F0--写多个modbus内存地址 * [0]: 标识 F0--写多个modbus内存地址
* [2:1]: 起始地址 * [2:1]: 寄存器起始地址，即寄存器下标
* [3]: 写的字节数 0-255 * [3]: 写的字节数 0-255
* ...： 数据内容 * ...： 数据内容
*/ */
@ -581,8 +581,8 @@ static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_
static uint16_t gatts_mtu_size = 23; static uint16_t gatts_mtu_size = 23;
void notify_data_fun(int id, uint8_t *data, uint32_t len) void notify_data_fun(int id, uint8_t *data, uint32_t len)
{ {
ESP_LOGI(GATTS_TABLE_TAG, "notify_data_fun:"); // ESP_LOGI(GATTS_TABLE_TAG, "notify_data_fun:");
esp_log_buffer_hex(GATTS_TABLE_TAG, data, len); // esp_log_buffer_hex(GATTS_TABLE_TAG, data, len);
if (len <= gatts_mtu_size - 3) /* 包数据可以一次完整发送 */ if (len <= gatts_mtu_size - 3) /* 包数据可以一次完整发送 */
{ {
esp_ble_gatts_send_indicate(ble_gatts_if, ble_gatts_conn_id, ble_gatts_handle_table[id], len, data, false); esp_ble_gatts_send_indicate(ble_gatts_if, ble_gatts_conn_id, ble_gatts_handle_table[id], len, data, false);
@ -595,7 +595,7 @@ void notify_data_fun(int id, uint8_t *data, uint32_t len)
total_num = len / (gatts_mtu_size - 7); total_num = len / (gatts_mtu_size - 7);
else else
total_num = len / (gatts_mtu_size - 7) + 1; total_num = len / (gatts_mtu_size - 7) + 1;
ESP_LOGI(GATTS_TABLE_TAG, "notify packet has %d", total_num); // ESP_LOGI(GATTS_TABLE_TAG, "notify packet has %d", total_num);
int i = 0; int i = 0;
buf[0] = '#'; buf[0] = '#';
@ -611,18 +611,34 @@ void notify_data_fun(int id, uint8_t *data, uint32_t len)
buf[3] = i; buf[3] = i;
memcpy(buf + 4, data + i * (gatts_mtu_size - 7), len % (gatts_mtu_size - 7)); memcpy(buf + 4, data + i * (gatts_mtu_size - 7), len % (gatts_mtu_size - 7));
esp_ble_gatts_send_indicate(ble_gatts_if, ble_gatts_conn_id, ble_gatts_handle_table[IDX_DATA_NOTIFY_VAL], (len % (gatts_mtu_size - 7)) + 4, buf, false); esp_ble_gatts_send_indicate(ble_gatts_if, ble_gatts_conn_id, ble_gatts_handle_table[IDX_DATA_NOTIFY_VAL], (len % (gatts_mtu_size - 7)) + 4, buf, false);
ESP_LOGI(GATTS_TABLE_TAG, "notify packet send end!"); // ESP_LOGI(GATTS_TABLE_TAG, "notify packet send end!");
} }
} }
extern flow_t *pflow; extern flow_t *pflow;
extern depth_t *depth_data; extern depth_t *depth_data;
extern record_t *record;
gps_message_t *gpsMessageP = (gps_message_t *)&gWordVar[REG_GPS_MESSAGE];
gps_write_data_t *gpsWriteDataP = (gps_write_data_t *)&gWordVar[REG_GPS_WRITE_DATA];
void notify_all_data(void) void notify_all_data(void)
{ {
// ESP_LOGI(GATTS_TABLE_TAG, "notify_all_data");
uint8_t buf[30]; uint8_t buf[30];
buf[0] = 1; /* tag:1号通道流量:瞬时，每10cm，总 */ buf[0] = 1; /* tag:深度：速度 时间 深度 桩号 */
buf[1] = depth_data->speed & 0xff;
buf[2] = (depth_data->speed >> 8) & 0xff;
buf[3] = depth_data->one_pile_work_time & 0xff;
buf[4] = (depth_data->one_pile_work_time >> 8) & 0xff;
buf[5] = depth_data->depth & 0xff;
buf[6] = (depth_data->depth >> 8) & 0xff;
buf[7] = gWordVar[LAST_PILE_ID_ADDR] & 0xff;
buf[8] = (gWordVar[LAST_PILE_ID_ADDR] >> 8) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 9);
buf[0] = 2; /* tag:1号通道流量:瞬时，每10cm，总 */
buf[1] = pflow[0].flow & 0xff; buf[1] = pflow[0].flow & 0xff;
buf[2] = (pflow[0].flow >> 8) & 0xff; buf[2] = (pflow[0].flow >> 8) & 0xff;
buf[3] = depth_data->depth_flow[0] & 0xff; buf[3] = depth_data->depth_flow[0] & 0xff;
@ -631,7 +647,7 @@ void notify_all_data(void)
buf[6] = (pflow[0].total_flow >> 8) & 0xff; buf[6] = (pflow[0].total_flow >> 8) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 7); notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 7);
buf[0] = 2; /* tag:2号通道流量:瞬时，每10cm，总 */ buf[0] = 3; /* tag:2号通道流量:瞬时，每10cm，总 */
buf[1] = pflow[1].flow & 0xff; buf[1] = pflow[1].flow & 0xff;
buf[2] = (pflow[1].flow >> 8) & 0xff; buf[2] = (pflow[1].flow >> 8) & 0xff;
buf[3] = depth_data->depth_flow[1] & 0xff; buf[3] = depth_data->depth_flow[1] & 0xff;
@ -640,26 +656,91 @@ void notify_all_data(void)
buf[6] = (pflow[1].total_flow >> 8) & 0xff; buf[6] = (pflow[1].total_flow >> 8) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 7); notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 7);
buf[0] = 3; /* tag:深度：速度 深度 */ buf[0] = 4; /* tag:电流:三个*/
buf[1] = depth_data->speed & 0xff; buf[1] = gWordVar[AC_CURRENT_REG_ADDR + 0] & 0xff;
buf[2] = (depth_data->speed >> 8) & 0xff; buf[2] = (gWordVar[AC_CURRENT_REG_ADDR + 0] >> 8) & 0xff;
buf[3] = depth_data->depth & 0xff; buf[3] = gWordVar[AC_CURRENT_REG_ADDR + 1] & 0xff;
buf[4] = (depth_data->depth >> 8) & 0xff; buf[4] = (gWordVar[AC_CURRENT_REG_ADDR + 1] >> 8) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 5); buf[5] = gWordVar[AC_CURRENT_REG_ADDR + 2] & 0xff;
buf[6] = (gWordVar[AC_CURRENT_REG_ADDR + 2] >> 8) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 7);
int64_t x = (int64_t)(gpsMessageP->x * 1000);
int64_t y = (int64_t)(gpsMessageP->y * 1000);
uint16_t dir = (uint16_t)(gpsMessageP->dir * 100);
uint16_t pitch = (uint16_t)(gpsMessageP->pitch * 100);
uint8_t gps_status = gpsMessageP->gps_status;
uint32_t utc_time = gpsMessageP->utc;
// ESP_LOGI(GATTS_TABLE_TAG, "x:%f, %f, %lld", gpsMessageP->x, gpsMessageP->x * 1000, (long long int)(gpsMessageP->x * 1000));
// ESP_LOGI(GATTS_TABLE_TAG, "gps message x:%lld, y:%lld, dir:%ud, pitch:%ud, gps_status:%d, utc_time:%ud", (long long)x, (long long)y, (unsigned int)dir, (unsigned int)pitch, (int)gps_status, (unsigned int)utc_time);
buf[0] = 5; /* tag:CPS信息1:x, y(int64)*/
buf[1] = x & 0xff;
buf[2] = (x >> 8) & 0xff;
buf[3] = (x >> 16) & 0xff;
buf[4] = (x >> 24) & 0xff;
buf[5] = (x >> 32) & 0xff;
buf[6] = (x >> 40) & 0xff;
buf[7] = (x >> 48) & 0xff;
buf[8] = (x >> 56) & 0xff;
buf[9] = y & 0xff;
buf[10] = (y >> 8) & 0xff;
buf[11] = (y >> 16) & 0xff;
buf[12] = (y >> 24) & 0xff;
buf[13] = (y >> 32) & 0xff;
buf[14] = (y >> 40) & 0xff;
buf[15] = (y >> 48) & 0xff;
buf[16] = (y >> 56) & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 17);
buf[0] = 6; /* tag:CPS信息2:方向，俯仰(uint16)， gps定位状态(uint8)， UTC时间(uint32)*/
buf[1] = dir & 0xff;
buf[2] = (dir >> 8) & 0xff;
buf[3] = pitch & 0xff;
buf[4] = (pitch >> 8) & 0xff;
buf[5] = utc_time & 0xff;
buf[6] = (utc_time >> 8) & 0xff;
buf[7] = (utc_time >> 16) & 0xff;
buf[8] = (utc_time >> 24) & 0xff;
buf[9] = gps_status & 0xff;
notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 10);
// // 有记录时上传记录
// static int pile_id = 0;
// static int pile_id_count = 0;
// if (record->pile_id > pile_id || record->count > pile_id_count)
// {
// pile_id = record->pile_id;
// pile_id_count = record->count;
// buf[0] = 5;
// buf[1] = record->pile_id & 0xff; // pile_id
// buf[2] = (record->pile_id >> 8) & 0xff;
// buf[3] = record->item[0].flow[0] & 0xff; // 10cm喷浆量1
// buf[4] = (record->item[0].flow[0] >> 8) & 0xff;
// buf[5] = record->item[0].flow[1] & 0xff; // 10cm喷浆量2
// buf[6] = (record->item[0].flow[1] >> 8) & 0xff;
// buf[7] = record->max_depth & 0xff; // 最大深度
// buf[8] = (record->max_depth >> 8) & 0xff;
// buf[9] = record->item[0].current1 & 0xff; // 采样的电流
// buf[10] = (record->item[0].current1 >> 8) & 0xff;
// notify_data_fun(IDX_DATA_NOTIFY_VAL, buf, 11);
// }
/* 需要上报什么数据在此处添加 */ /* 需要上报什么数据在此处添加 */
} }
void notify_task(void *pvParameters) void notify_task(void *pvParameters)
{ {
ESP_LOGI(GATTS_TABLE_TAG, "notify_task");
while (1) while (1)
{ {
if (data_notify_enable && is_connected) if (data_notify_enable && is_connected)
{ {
notify_all_data(); notify_all_data();
} }
vTaskDelay(pdMS_TO_TICKS(200)); vTaskDelay(pdMS_TO_TICKS(100));
} }
vTaskDelete(NULL); vTaskDelete(NULL);

6
main/stm32/ModbusS.c
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@ -347,9 +347,9 @@ int ModbusSlaveProcess(uint8_t *txbuf, uint8_t *rxbuf, uint16_t rxLen, int is_cr
pDat+=2; pDat+=2;
} }
} }
ESP_LOGI(TAG, "write gWordVar:"); // ESP_LOGI(TAG, "write gWordVar:");
for (i = 0; i < length; i++) // for (i = 0; i < length; i++)
ESP_LOGI(TAG, "gWordVar[%d]=0x%04x", add + i, gWordVar[add + i]); // ESP_LOGI(TAG, "gWordVar[%d]=0x%04x", add + i, gWordVar[add + i]);
// ESP_LOGI(TAG, "%d %d", depth_config->input_type, depth_config->port); // ESP_LOGI(TAG, "%d %d", depth_config->input_type, depth_config->port);
ModBusWordWriteHook(add,length); ModBusWordWriteHook(add,length);

2
main/stm32/ModbusS.h
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@ -20,7 +20,7 @@ void xorBit(uint16_t Add);
void WriteBit(uint16_t Add,uint8_t bit_value); void WriteBit(uint16_t Add,uint8_t bit_value);
#define gBIT_SIZE 128 #define gBIT_SIZE 128
#define gWORD_SIZE 512 #define gWORD_SIZE 1024
extern uint8_t gBitVar[(gBIT_SIZE+7)/8]; extern uint8_t gBitVar[(gBIT_SIZE+7)/8];
extern uint16_t gWordVar[gWORD_SIZE]; extern uint16_t gWordVar[gWORD_SIZE];
extern uint16_t modbus_addr; extern uint16_t modbus_addr;

74
main/stm32/config.h
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@ -18,6 +18,8 @@
#define TILT_SENSER_ADDR 30 #define TILT_SENSER_ADDR 30
#define RECORD_REG_ADDR 32 #define RECORD_REG_ADDR 32
#define TIME 264
#define CAL_4_20MA_ADDR 384 #define CAL_4_20MA_ADDR 384
#define FLOW_CONFIG_ADDR (CAL_4_20MA_ADDR + (sizeof(cal_4_20ma_t) + 15) / 16 * 8) #define FLOW_CONFIG_ADDR (CAL_4_20MA_ADDR + (sizeof(cal_4_20ma_t) + 15) / 16 * 8)
#define DEPTH_CONFIG_ADDR (FLOW_CONFIG_ADDR + (sizeof(flow_config_t) + 15) / 16 * 8) #define DEPTH_CONFIG_ADDR (FLOW_CONFIG_ADDR + (sizeof(flow_config_t) + 15) / 16 * 8)
@ -27,7 +29,58 @@
#define DEPTH_RESET_ADDR 510 #define DEPTH_RESET_ADDR 510
#define REBOOT_REW_ADDR 511 #define REBOOT_REW_ADDR 511
#define TIME 264 #define REG_GPS_MESSAGE (512 + 48)
#define REG_GPS_WRITE_DATA (REG_GPS_MESSAGE + sizeof(gps_message_t))
// GPS数据
typedef struct gps_message
{
uint8_t gps_status; // GPS定位状态
uint8_t gps_view; // GPS可视状态
uint8_t gps_use; // GPS使用状态
uint8_t reg[1]; // 保留
uint32_t utc; // utc时间
double x; // 大地平面坐标
double y;
double dir; // 方向
double pitch; // 俯仰角
} gps_message_t;
extern gps_message_t *gpsMessageP;
#define WRITE_DOWN_MAGIC 0x55BB // 控制gps采用参数进行运算
#define WRITE_SAVE_MAGIC 0x55AA // 控制gps将参数保存成json文件，开机的时候自动加载
typedef struct gps_write_data // addr 600
{
uint16_t magic; // 600 2
uint16_t ellipsoidal_datum; // 椭圆基准 601 2
uint8_t reg[4];
// 604 8
int16_t x0; // 卫星接收器点坐标（坐标系以基站为原点建立）
int16_t y0;
int16_t x1; // 待求点坐标
int16_t y1;
// 608 16
uint64_t central_meridian; // 中央子午线
uint64_t elevation; // 投影高程
// 616 16
int64_t dx; // x轴平移
int64_t ax; // x轴旋转
// 624 16
int64_t dy; // y轴平移
int64_t ay; // y轴旋转
// 632 16
int64_t dz; // z轴平移
int64_t az; // z轴旋转
// 640 8
int64_t k; // 缩放比例
} gps_write_data_t;
extern gps_write_data_t *gpsWriteDataP;
typedef struct typedef struct
{ {
uint16_t magic; uint16_t magic;
@ -109,6 +162,25 @@ typedef struct
} depth_t; } depth_t;
typedef struct
{
int16_t max_depth;
uint16_t pile_id;
uint16_t count;
// uint16_t work_time;
struct _item
{
int16_t speed;
int16_t depth;
int16_t flow[2];
uint32_t total_flow[2];
int16_t tilt_x;
int16_t tilt_y;
uint16_t current1;
uint16_t current2;
} item[10];
} record_t;
extern depth_config_t *depth_config; extern depth_config_t *depth_config;

61
main/stm32/depth.c
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@ -89,24 +89,24 @@ int32_t enc2_value;
extern rotary_encoder_t *encoder; extern rotary_encoder_t *encoder;
typedef struct // typedef struct
{ // {
int16_t max_depth; // int16_t max_depth;
uint16_t pile_id; // uint16_t pile_id;
uint16_t count; // uint16_t count;
// uint16_t work_time; // // uint16_t work_time;
struct _item // struct _item
{ // {
int16_t speed; // int16_t speed;
int16_t depth; // int16_t depth;
int16_t flow[2]; // int16_t flow[2];
uint32_t total_flow[2]; // uint32_t total_flow[2];
int16_t tilt_x; // int16_t tilt_x;
int16_t tilt_y; // int16_t tilt_y;
uint16_t current1; // uint16_t current1;
uint16_t current2; // uint16_t current2;
} item[10]; // } item[10];
} record_t; // } record_t;
// 18字节 // 18字节
#pragma pack(1) #pragma pack(1)
@ -449,17 +449,17 @@ void depth_task(void *arg)
while (1) while (1)
{ {
if (add_record_time++ > 10) // if (add_record_time++ > 10)
{ // {
add_record_time = 0; // add_record_time = 0;
depth_data->sample_count++; // depth_data->sample_count++;
if (depth_data->sample_count > 20) // if (depth_data->sample_count > 20)
{ // {
record->pile_id++; // record->pile_id++;
depth_data->sample_count = 0; // depth_data->sample_count = 0;
} // }
add_recod_item(); // add_recod_item();
} // }
if (_enc1_update_time != enc1_update_time) /* 深度数据更新 */ if (_enc1_update_time != enc1_update_time) /* 深度数据更新 */
{ {
@ -469,6 +469,7 @@ void depth_task(void *arg)
time_diff = abs_sub(enc_update_time, _enc1_update_time); time_diff = abs_sub(enc_update_time, _enc1_update_time);
_enc1_update_time = enc_update_time; _enc1_update_time = enc_update_time;
} }
//ESP_LOGI(TAG, "time_diff:%d", time_diff);
if (time_diff != 0) if (time_diff != 0)
{ {
@ -498,7 +499,7 @@ void depth_task(void *arg)
// send_to_bt1.max_depth = depth_data->depth; // send_to_bt1.max_depth = depth_data->depth;
} }
ESP_LOGI(TAG, "depth_data->depth:0x%x", (unsigned int)depth_data->depth); //ESP_LOGI(TAG, "depth_data->depth:0x%x", (unsigned int)depth_data->depth);
// 500ms计算一次速度 // 500ms计算一次速度
if (speed_calc_count++ > 50) if (speed_calc_count++ > 50)

2
main/stm32/uart0_modbus_slave.c
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@ -63,7 +63,7 @@ void uart0_init(void)
// Install UART driver (we don't need an event queue here) // Install UART driver (we don't need an event queue here)
// In this example we don't even use a buffer for sending data. // In this example we don't even use a buffer for sending data.
ESP_ERROR_CHECK(uart_driver_install(uart_num, BUF_SIZE * 2, 0, 0, NULL, 0)); ESP_ERROR_CHECK(uart_driver_install(uart_num, BUF_SIZE * 2, BUF_SIZE, 0, NULL, 0));
// Configure UART parameters // Configure UART parameters
ESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config)); ESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config));

714
main/tmp/ble_gatts_server.c
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@ -1,714 +0,0 @@
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
/****************************************************************************
*
* This demo showcases creating a GATT database using a predefined attribute table.
* It acts as a GATT server and can send adv data, be connected by client.
* Run the gatt_client demo, the client demo will automatically connect to the gatt_server_service_table demo.
* Client demo will enable GATT server's notify after connection. The two devices will then exchange
* data.
*
****************************************************************************/
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include "esp_bt.h"
#include "esp_gap_ble_api.h"
#include "esp_gatts_api.h"
#include "esp_bt_main.h"
#include "ble_gatts_server.h"
#include "esp_gatt_common_api.h"
#include "stm32/config.h"
#include "stm32/ModbusS.h"
#define GATTS_TABLE_TAG "GATTS_TABLE_DEMO"
#define PROFILE_NUM 1
#define PROFILE_APP_IDX 0
#define ESP_APP_ID 0x55
#define SAMPLE_DEVICE_NAME "ESP_GATTS_DEMO"
#define SVC_INST_ID 0
/* The max length of characteristic value. When the GATT client performs a write or prepare write operation,
* the data length must be less than GATTS_DEMO_CHAR_VAL_LEN_MAX.
*/
#define GATTS_DEMO_CHAR_VAL_LEN_MAX 500
#define PREPARE_BUF_MAX_SIZE 1024
#define CHAR_DECLARATION_SIZE (sizeof(uint8_t))
#define ADV_CONFIG_FLAG (1 << 0)
#define SCAN_RSP_CONFIG_FLAG (1 << 1)
static uint8_t adv_config_done = 0;
uint16_t heart_rate_handle_table[HRS_IDX_NB];
typedef struct {
uint8_t *prepare_buf;
int prepare_len;
} prepare_type_env_t;
static prepare_type_env_t prepare_write_env;
#define CONFIG_SET_RAW_ADV_DATA
#ifdef CONFIG_SET_RAW_ADV_DATA
static uint8_t raw_adv_data[] = {
/* flags */
0x02, 0x01, 0x06,
/* tx power*/
0x02, 0x0a, 0xeb,
/* service uuid */
0x03, 0x03, 0xFF, 0x00,
/* device name */
0x0f, 0x09, 'E', 'S', 'P', '_', 'G', 'A', 'T', 'T', 'S', '_', 'D','E', 'M', 'O'
};
static uint8_t raw_scan_rsp_data[] = {
/* flags */
0x02, 0x01, 0x06,
/* tx power */
0x02, 0x0a, 0xeb,
/* service uuid */
0x03, 0x03, 0xFF,0x00
};
#else
static uint8_t service_uuid[16] = {
/* LSB <--------------------------------------------------------------------------------> MSB */
//first uuid, 16bit, [12],[13] is the value
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
};
/* The length of adv data must be less than 31 bytes */
static esp_ble_adv_data_t adv_data = {
.set_scan_rsp = false,
.include_name = true,
.include_txpower = true,
.min_interval = 0x0006, //slave connection min interval, Time = min_interval * 1.25 msec
.max_interval = 0x0010, //slave connection max interval, Time = max_interval * 1.25 msec
.appearance = 0x00,
.manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
.p_manufacturer_data = NULL, //test_manufacturer,
.service_data_len = 0,
.p_service_data = NULL,
.service_uuid_len = sizeof(service_uuid),
.p_service_uuid = service_uuid,
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
};
// scan response data
static esp_ble_adv_data_t scan_rsp_data = {
.set_scan_rsp = true,
.include_name = true,
.include_txpower = true,
.min_interval = 0x0006,
.max_interval = 0x0010,
.appearance = 0x00,
.manufacturer_len = 0, //TEST_MANUFACTURER_DATA_LEN,
.p_manufacturer_data = NULL, //&test_manufacturer[0],
.service_data_len = 0,
.p_service_data = NULL,
.service_uuid_len = sizeof(service_uuid),
.p_service_uuid = service_uuid,
.flag = (ESP_BLE_ADV_FLAG_GEN_DISC | ESP_BLE_ADV_FLAG_BREDR_NOT_SPT),
};
#endif /* CONFIG_SET_RAW_ADV_DATA */
static esp_ble_adv_params_t adv_params = {
.adv_int_min = 0x20,
.adv_int_max = 0x40,
.adv_type = ADV_TYPE_IND,
.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
.channel_map = ADV_CHNL_ALL,
.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
};
struct gatts_profile_inst {
esp_gatts_cb_t gatts_cb;
uint16_t gatts_if;
uint16_t app_id;
uint16_t conn_id;
uint16_t service_handle;
esp_gatt_srvc_id_t service_id;
uint16_t char_handle;
esp_bt_uuid_t char_uuid;
esp_gatt_perm_t perm;
esp_gatt_char_prop_t property;
uint16_t descr_handle;
esp_bt_uuid_t descr_uuid;
};
static void gatts_profile_event_handler(esp_gatts_cb_event_t event,
esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
/* One gatt-based profile one app_id and one gatts_if, this array will store the gatts_if returned by ESP_GATTS_REG_EVT */
static struct gatts_profile_inst heart_rate_profile_tab[PROFILE_NUM] = {
[PROFILE_APP_IDX] = {
.gatts_cb = gatts_profile_event_handler,
.gatts_if = ESP_GATT_IF_NONE, /* Not get the gatt_if, so initial is ESP_GATT_IF_NONE */
},
};
/* Service */
static const uint16_t GATTS_SERVICE_UUID_TEST = 0x00FF;
static const uint16_t GATTS_CHAR_UUID_TEST_A = 0xFF01;
static const uint16_t ESP_GATT_UUID_SPP_DATA_NOTIFY = 0xFF02;
static const uint16_t primary_service_uuid = ESP_GATT_UUID_PRI_SERVICE;
static const uint16_t character_declaration_uuid = ESP_GATT_UUID_CHAR_DECLARE;
static const uint16_t character_client_config_uuid = ESP_GATT_UUID_CHAR_CLIENT_CONFIG;
static const uint8_t char_prop_read_notify = ESP_GATT_CHAR_PROP_BIT_READ|ESP_GATT_CHAR_PROP_BIT_NOTIFY;
static const uint8_t char_prop_read_write_notify = ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_READ | ESP_GATT_CHAR_PROP_BIT_NOTIFY;
static const uint8_t heart_measurement_ccc[2] = {0x00, 0x00};
static const uint8_t char_value[4] = {0x11, 0x22, 0x33, 0x44};
///SPP Service - data notify characteristic, notify&read
static const uint16_t spp_data_notify_uuid = ESP_GATT_UUID_SPP_DATA_NOTIFY;
static const uint8_t spp_data_notify_val[20] = {0x00};
static const uint8_t spp_data_notify_ccc[2] = {0x00, 0x00};
bool data_notify_enable = false; /* 是否允许数据上报 */
bool is_connected = false; /* 蓝牙是否连接 */
static uint16_t spp_conn_id = 0xffff;
static esp_gatt_if_t spp_gatts_if = 0xff;
/* Full Database Description - Used to add attributes into the database */
static const esp_gatts_attr_db_t gatt_db[HRS_IDX_NB] =
{
// Service Declaration
[IDX_SVC] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&primary_service_uuid, ESP_GATT_PERM_READ,
sizeof(uint16_t), sizeof(GATTS_SERVICE_UUID_TEST), (uint8_t *)&GATTS_SERVICE_UUID_TEST}},
/* Characteristic Declaration */
[IDX_CHAR_A] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
CHAR_DECLARATION_SIZE, CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_write_notify}},
/* Characteristic Value */
[IDX_CHAR_VAL_A] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&GATTS_CHAR_UUID_TEST_A, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
GATTS_DEMO_CHAR_VAL_LEN_MAX, sizeof(char_value), (uint8_t *)char_value}},
/* Client Characteristic Configuration Descriptor */
[IDX_CHAR_CFG_A] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE,
sizeof(uint16_t), sizeof(heart_measurement_ccc), (uint8_t *)heart_measurement_ccc}},
//SPP - data notify characteristic Declaration
[SPP_IDX_SPP_DATA_NOTIFY_CHAR] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&character_declaration_uuid, ESP_GATT_PERM_READ,
CHAR_DECLARATION_SIZE,CHAR_DECLARATION_SIZE, (uint8_t *)&char_prop_read_notify}},
//SPP - data notify characteristic Value
[SPP_IDX_SPP_DATA_NTY_VAL] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&spp_data_notify_uuid, ESP_GATT_PERM_READ,
SPP_DATA_MAX_LEN, sizeof(spp_data_notify_val), (uint8_t *)spp_data_notify_val}},
//SPP - data notify characteristic - Client Characteristic Configuration Descriptor
[SPP_IDX_SPP_DATA_NTF_CFG] =
{{ESP_GATT_RSP_BY_APP}, {ESP_UUID_LEN_16, (uint8_t *)&character_client_config_uuid, ESP_GATT_PERM_READ|ESP_GATT_PERM_WRITE,
sizeof(uint16_t),sizeof(spp_data_notify_ccc), (uint8_t *)spp_data_notify_ccc}},
};
static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
{
switch (event) {
#ifdef CONFIG_SET_RAW_ADV_DATA
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
adv_config_done &= (~ADV_CONFIG_FLAG);
if (adv_config_done == 0){
esp_ble_gap_start_advertising(&adv_params);
}
break;
case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
if (adv_config_done == 0){
esp_ble_gap_start_advertising(&adv_params);
}
break;
#else
case ESP_GAP_BLE_ADV_DATA_SET_COMPLETE_EVT:
adv_config_done &= (~ADV_CONFIG_FLAG);
if (adv_config_done == 0){
esp_ble_gap_start_advertising(&adv_params);
}
break;
case ESP_GAP_BLE_SCAN_RSP_DATA_SET_COMPLETE_EVT:
adv_config_done &= (~SCAN_RSP_CONFIG_FLAG);
if (adv_config_done == 0){
esp_ble_gap_start_advertising(&adv_params);
}
break;
#endif
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
/* advertising start complete event to indicate advertising start successfully or failed */
if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
ESP_LOGE(GATTS_TABLE_TAG, "advertising start failed");
}else{
ESP_LOGI(GATTS_TABLE_TAG, "advertising start successfully");
}
break;
case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS) {
ESP_LOGE(GATTS_TABLE_TAG, "Advertising stop failed");
}
else {
ESP_LOGI(GATTS_TABLE_TAG, "Stop adv successfully\n");
}
break;
case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "update connection params status = %d, min_int = %d, max_int = %d,conn_int = %d,latency = %d, timeout = %d",
param->update_conn_params.status,
param->update_conn_params.min_int,
param->update_conn_params.max_int,
param->update_conn_params.conn_int,
param->update_conn_params.latency,
param->update_conn_params.timeout);
break;
default:
break;
}
}
void notify_data_fun(int id, uint8_t *data, uint32_t len);
/*
* [0]: 标识 F0--写多个modbus内存地址
* [2:1]: 起始地址
* [3]: 写的字节数 0-255
* ...： 数据内容
*/
void gatts_write_data_cb(uint8_t *data, uint32_t len, esp_ble_gatts_cb_param_t *param)
{
ESP_LOGI(GATTS_TABLE_TAG, "gatts_write_data_cb");
if (len < 4) {
ESP_LOGI(GATTS_TABLE_TAG, "write format is fault, len less 4");
return;
}
else if (data[0] == 0xF0) /* 写gWordVar寄存器 */
{
uint16_t addr = data[1] + (data[2] << 8);
uint16_t addr_ = addr;
uint8_t cnt = data[3];
if (cnt > len - 4)
{
ESP_LOGI(GATTS_TABLE_TAG, "write format is fault, cnt > len - 4");
return;
}
ESP_LOGI(GATTS_TABLE_TAG, "write addr:%d cnt:%d", addr, cnt);
uint8_t i;
for (i = 0 + 4; i < cnt + 4; i+=2) /* 发送的数据要求两字节对齐 */
{
gWordVar[addr++] = data[i] + (data[i + 1] << 8);
ESP_LOGI(GATTS_TABLE_TAG, "gwordvar[%d]:0x%x", addr-1, gWordVar[addr-1]);
}
/* 还应该调用 ModBusWordWriteHook 来处理这些写动作带来的影响 */
ModBusWordWriteHook(addr, cnt);
}
else if (data[0] == 0xF1) /* 读gWordVar，通过notify上报回去 */
{
uint16_t addr = data[1] + (data[2] << 8);
uint8_t cnt = data[3];
ESP_LOGI(GATTS_TABLE_TAG, "!read addr:%d cnt:%d", addr, cnt);
uint8_t buf[500];
buf[0] = data[0];
buf[1] = data[1];
buf[2] = data[2];
buf[3] = data[3];
ESP_LOGI(GATTS_TABLE_TAG, "gWordVar[0]:0x%x gWordVar[1]:0x%x", gWordVar[0], gWordVar[1]);
memcpy(buf + 4, (uint8_t *)(gWordVar + addr), cnt);
notify_data_fun(IDX_CHAR_VAL_A, buf, cnt + 4);
}
}
void example_prepare_write_event_env(esp_gatt_if_t gatts_if, prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param)
{
ESP_LOGI(GATTS_TABLE_TAG, "prepare write, handle = %d, value len = %d", param->write.handle, param->write.len);
esp_gatt_status_t status = ESP_GATT_OK;
if (prepare_write_env->prepare_buf == NULL) {
prepare_write_env->prepare_buf = (uint8_t *)malloc(PREPARE_BUF_MAX_SIZE * sizeof(uint8_t));
prepare_write_env->prepare_len = 0;
if (prepare_write_env->prepare_buf == NULL) {
ESP_LOGE(GATTS_TABLE_TAG, "%s, Gatt_server prep no mem", __func__);
status = ESP_GATT_NO_RESOURCES;
}
} else {
if(param->write.offset > PREPARE_BUF_MAX_SIZE) {
status = ESP_GATT_INVALID_OFFSET;
} else if ((param->write.offset + param->write.len) > PREPARE_BUF_MAX_SIZE) {
status = ESP_GATT_INVALID_ATTR_LEN;
}
}
/*send response when param->write.need_rsp is true */
// if (param->write.need_rsp){
esp_gatt_rsp_t *gatt_rsp = (esp_gatt_rsp_t *)malloc(sizeof(esp_gatt_rsp_t));
if (gatt_rsp != NULL){
gatt_rsp->attr_value.len = param->write.len;
gatt_rsp->attr_value.handle = param->write.handle;
gatt_rsp->attr_value.offset = param->write.offset;
gatt_rsp->attr_value.auth_req = ESP_GATT_AUTH_REQ_NONE;
memcpy(gatt_rsp->attr_value.value, param->write.value, param->write.len);
esp_err_t response_err = esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, status, gatt_rsp);
if (response_err != ESP_OK){
ESP_LOGE(GATTS_TABLE_TAG, "Send response error");
}
free(gatt_rsp);
}else{
ESP_LOGE(GATTS_TABLE_TAG, "%s, malloc failed", __func__);
}
// }
if (status != ESP_GATT_OK){
return;
}
memcpy(prepare_write_env->prepare_buf + param->write.offset,
param->write.value,
param->write.len);
prepare_write_env->prepare_len += param->write.len;
}
void example_exec_write_event_env(prepare_type_env_t *prepare_write_env, esp_ble_gatts_cb_param_t *param){
if (param->exec_write.exec_write_flag == ESP_GATT_PREP_WRITE_EXEC && prepare_write_env->prepare_buf){
esp_log_buffer_hex(GATTS_TABLE_TAG, prepare_write_env->prepare_buf, prepare_write_env->prepare_len);
gatts_write_data_cb(prepare_write_env->prepare_buf, prepare_write_env->prepare_len, param); /* 此处有隐患，有可能不是data_write特征的数据 */
}else{
ESP_LOGI(GATTS_TABLE_TAG,"ESP_GATT_PREP_WRITE_CANCEL");
}
if (prepare_write_env->prepare_buf) {
free(prepare_write_env->prepare_buf);
prepare_write_env->prepare_buf = NULL;
}
prepare_write_env->prepare_len = 0;
}
static void gatts_profile_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
{
switch (event) {
case ESP_GATTS_REG_EVT:{
esp_err_t set_dev_name_ret = esp_ble_gap_set_device_name(SAMPLE_DEVICE_NAME);
if (set_dev_name_ret){
ESP_LOGE(GATTS_TABLE_TAG, "set device name failed, error code = %x", set_dev_name_ret);
}
#ifdef CONFIG_SET_RAW_ADV_DATA
esp_err_t raw_adv_ret = esp_ble_gap_config_adv_data_raw(raw_adv_data, sizeof(raw_adv_data));
if (raw_adv_ret){
ESP_LOGE(GATTS_TABLE_TAG, "config raw adv data failed, error code = %x ", raw_adv_ret);
}
adv_config_done |= ADV_CONFIG_FLAG;
esp_err_t raw_scan_ret = esp_ble_gap_config_scan_rsp_data_raw(raw_scan_rsp_data, sizeof(raw_scan_rsp_data));
if (raw_scan_ret){
ESP_LOGE(GATTS_TABLE_TAG, "config raw scan rsp data failed, error code = %x", raw_scan_ret);
}
adv_config_done |= SCAN_RSP_CONFIG_FLAG;
#else
//config adv data
esp_err_t ret = esp_ble_gap_config_adv_data(&adv_data);
if (ret){
ESP_LOGE(GATTS_TABLE_TAG, "config adv data failed, error code = %x", ret);
}
adv_config_done |= ADV_CONFIG_FLAG;
//config scan response data
ret = esp_ble_gap_config_adv_data(&scan_rsp_data);
if (ret){
ESP_LOGE(GATTS_TABLE_TAG, "config scan response data failed, error code = %x", ret);
}
adv_config_done |= SCAN_RSP_CONFIG_FLAG;
#endif
esp_err_t create_attr_ret = esp_ble_gatts_create_attr_tab(gatt_db, gatts_if, HRS_IDX_NB, SVC_INST_ID);
if (create_attr_ret){
ESP_LOGE(GATTS_TABLE_TAG, "create attr table failed, error code = %x", create_attr_ret);
}
}
break;
case ESP_GATTS_READ_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_READ_EVT");
// esp_gatt_rsp_t rsp;
// memset(&rsp, 0, sizeof(esp_gatt_rsp_t));
// rsp.attr_value.handle = param->read.handle;
// rsp.attr_value.len = 4;
// rsp.attr_value.value[0] = 0xde;
// rsp.attr_value.value[1] = 0xed;
// rsp.attr_value.value[2] = 0xbe;
// rsp.attr_value.value[3] = 0xef;
// esp_ble_gatts_send_response(gatts_if, param->read.conn_id, param->read.trans_id,
// ESP_GATT_OK, &rsp);
break;
case ESP_GATTS_WRITE_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_WRITE_EVT, need_rsp=%d", param->write.need_rsp);
if (!param->write.is_prep){
// the data length of gattc write must be less than GATTS_DEMO_CHAR_VAL_LEN_MAX.
ESP_LOGI(GATTS_TABLE_TAG, "GATT_WRITE_EVT, handle = %d, value len = %d, value :", param->write.handle, param->write.len);
esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
if (heart_rate_handle_table[IDX_CHAR_VAL_A] == param->write.handle)
gatts_write_data_cb(param->write.value, param->write.len, param);
if (heart_rate_handle_table[SPP_IDX_SPP_DATA_NTF_CFG] == param->write.handle && param->write.len == 2){
uint16_t descr_value = param->write.value[1]<<8 | param->write.value[0];
if (descr_value == 0x0001){
ESP_LOGI(GATTS_TABLE_TAG, "notify enable");
data_notify_enable = true;
// uint8_t notify_data[15];
// for (int i = 0; i < sizeof(notify_data); ++i)
// {
// notify_data[i] = i % 0xff;
// }
// //the size of notify_data[] need less than MTU size
// esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
// sizeof(notify_data), notify_data, false);
}//else if (descr_value == 0x0002){
// ESP_LOGI(GATTS_TABLE_TAG, "indicate enable");
// uint8_t indicate_data[15];
// for (int i = 0; i < sizeof(indicate_data); ++i)
// {
// indicate_data[i] = i % 0xff;
// }
// //the size of indicate_data[] need less than MTU size
// esp_ble_gatts_send_indicate(gatts_if, param->write.conn_id, heart_rate_handle_table[IDX_CHAR_VAL_A],
// sizeof(indicate_data), indicate_data, true);
// }
else if (descr_value == 0x0000){
ESP_LOGI(GATTS_TABLE_TAG, "notify/indicate disable ");
data_notify_enable = false;
}else{
ESP_LOGE(GATTS_TABLE_TAG, "unknown descr value");
esp_log_buffer_hex(GATTS_TABLE_TAG, param->write.value, param->write.len);
}
}
/* send response when param->write.need_rsp is true*/
if (param->write.need_rsp){
esp_ble_gatts_send_response(gatts_if, param->write.conn_id, param->write.trans_id, ESP_GATT_OK, NULL);
}
}else{
/* handle prepare write */
example_prepare_write_event_env(gatts_if, &prepare_write_env, param);
}
break;
case ESP_GATTS_EXEC_WRITE_EVT:
// the length of gattc prepare write data must be less than GATTS_DEMO_CHAR_VAL_LEN_MAX.
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_EXEC_WRITE_EVT");
example_exec_write_event_env(&prepare_write_env, param);
break;
case ESP_GATTS_MTU_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_MTU_EVT, MTU %d", param->mtu.mtu);
break;
case ESP_GATTS_CONF_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONF_EVT, status = %d, attr_handle %d", param->conf.status, param->conf.handle);
break;
case ESP_GATTS_START_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "SERVICE_START_EVT, status %d, service_handle %d", param->start.status, param->start.service_handle);
break;
case ESP_GATTS_CONNECT_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_CONNECT_EVT, conn_id = %d", param->connect.conn_id);
esp_log_buffer_hex(GATTS_TABLE_TAG, param->connect.remote_bda, 6);
esp_ble_conn_update_params_t conn_params = {0};
memcpy(conn_params.bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
/* For the iOS system, please refer to Apple official documents about the BLE connection parameters restrictions. */
conn_params.latency = 0;
conn_params.max_int = 0x20; // max_int = 0x20*1.25ms = 40ms
conn_params.min_int = 0x10; // min_int = 0x10*1.25ms = 20ms
conn_params.timeout = 400; // timeout = 400*10ms = 4000ms
//start sent the update connection parameters to the peer device.
esp_ble_gap_update_conn_params(&conn_params);
is_connected = true;
spp_conn_id = param->connect.conn_id;
spp_gatts_if = gatts_if;
break;
case ESP_GATTS_DISCONNECT_EVT:
ESP_LOGI(GATTS_TABLE_TAG, "ESP_GATTS_DISCONNECT_EVT, reason = 0x%x", param->disconnect.reason);
esp_ble_gap_start_advertising(&adv_params);
is_connected = false;
break;
case ESP_GATTS_CREAT_ATTR_TAB_EVT:{
if (param->add_attr_tab.status != ESP_GATT_OK){
ESP_LOGE(GATTS_TABLE_TAG, "create attribute table failed, error code=0x%x", param->add_attr_tab.status);
}
else if (param->add_attr_tab.num_handle != HRS_IDX_NB){
ESP_LOGE(GATTS_TABLE_TAG, "create attribute table abnormally, num_handle (%d) \
doesn't equal to HRS_IDX_NB(%d)", param->add_attr_tab.num_handle, HRS_IDX_NB);
}
else {
ESP_LOGI(GATTS_TABLE_TAG, "create attribute table successfully, the number handle = %d\n",param->add_attr_tab.num_handle);
memcpy(heart_rate_handle_table, param->add_attr_tab.handles, sizeof(heart_rate_handle_table));
esp_ble_gatts_start_service(heart_rate_handle_table[IDX_SVC]);
}
break;
}
case ESP_GATTS_STOP_EVT:
case ESP_GATTS_OPEN_EVT:
case ESP_GATTS_CANCEL_OPEN_EVT:
case ESP_GATTS_CLOSE_EVT:
case ESP_GATTS_LISTEN_EVT:
case ESP_GATTS_CONGEST_EVT:
case ESP_GATTS_UNREG_EVT:
case ESP_GATTS_DELETE_EVT:
default:
break;
}
}
static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
{
/* If event is register event, store the gatts_if for each profile */
if (event == ESP_GATTS_REG_EVT) {
if (param->reg.status == ESP_GATT_OK) {
heart_rate_profile_tab[PROFILE_APP_IDX].gatts_if = gatts_if;
} else {
ESP_LOGE(GATTS_TABLE_TAG, "reg app failed, app_id %04x, status %d",
param->reg.app_id,
param->reg.status);
return;
}
}
do {
int idx;
for (idx = 0; idx < PROFILE_NUM; idx++) {
/* ESP_GATT_IF_NONE, not specify a certain gatt_if, need to call every profile cb function */
if (gatts_if == ESP_GATT_IF_NONE || gatts_if == heart_rate_profile_tab[idx].gatts_if) {
if (heart_rate_profile_tab[idx].gatts_cb) {
heart_rate_profile_tab[idx].gatts_cb(event, gatts_if, param);
}
}
}
} while (0);
}
/*
* 上报长度过长，则分包，这里限制长度最大20，分包协议：
* [1:0] ‘#’， ‘#’，分包标识
* [2] 总包个数
* [3] 当前包号，从0开始
* ... 包数据
*/
static uint16_t spp_mtu_size = 23;
void notify_data_fun(int id, uint8_t *data, uint32_t len)
{
ESP_LOGI(GATTS_TABLE_TAG, "notify_data_fun:");
esp_log_buffer_hex(GATTS_TABLE_TAG, data, len);
ESP_LOGI(GATTS_TABLE_TAG, "hihi");
if (len <= spp_mtu_size - 3) /* 包数据可以一次完整发送 */
{
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, heart_rate_handle_table[id], len, data, false);
}
else /* 需要分包发送 */
{
int total_num = 0;
uint8_t buf[spp_mtu_size - 3];
if ((len % (spp_mtu_size - 7)) == 0)
total_num = len / (spp_mtu_size - 7);
else
total_num = len / (spp_mtu_size - 7) + 1;
ESP_LOGI(GATTS_TABLE_TAG, "notify packet has %d", total_num);
int i = 0;
buf[0] = '#';
buf[1] = '#';
buf[2] = total_num;
for (i = 0; i < total_num - 1; i++)
{
buf[3] = i;
memcpy(buf + 4, data + i * (spp_mtu_size - 7), spp_mtu_size - 7);
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, heart_rate_handle_table[SPP_IDX_SPP_DATA_NTY_VAL],spp_mtu_size - 3, buf, false);
}
/* 最后一个包 */
buf[3] = i;
memcpy(buf + 4, data + i * (spp_mtu_size - 7), len % (spp_mtu_size - 7));
esp_ble_gatts_send_indicate(spp_gatts_if, spp_conn_id, heart_rate_handle_table[SPP_IDX_SPP_DATA_NTY_VAL], (len % (spp_mtu_size - 7)) + 4, buf, false);
ESP_LOGI(GATTS_TABLE_TAG, "notify packet send end!");
}
}
uint8_t notify_data[500] = {0x11, 0x22, 0x33, 0x44, 0x55, 0x66}; /* 外部程序可以将需要上报的数据拷贝进来 */
uint32_t notify_len = 63;
void notify_task(void *pvParameters)
{
while (1)
{
if (data_notify_enable && is_connected)
{
notify_data_fun(SPP_IDX_SPP_DATA_NTY_VAL, notify_data, notify_len);
}
int i;
for (i = 0; i < notify_len; i++) notify_data[i]++;
vTaskDelay(pdMS_TO_TICKS(1000));
vTaskDelay(pdMS_TO_TICKS(1000));
}
vTaskDelete(NULL);
}
void ble_gatts_server_init(void)
{
esp_err_t ret;
ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
ret = esp_bt_controller_init(&bt_cfg);
if (ret) {
ESP_LOGE(GATTS_TABLE_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
if (ret) {
ESP_LOGE(GATTS_TABLE_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bluedroid_init();
if (ret) {
ESP_LOGE(GATTS_TABLE_TAG, "%s init bluetooth failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bluedroid_enable();
if (ret) {
ESP_LOGE(GATTS_TABLE_TAG, "%s enable bluetooth failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_ble_gatts_register_callback(gatts_event_handler);
if (ret){
ESP_LOGE(GATTS_TABLE_TAG, "gatts register error, error code = %x", ret);
return;
}
ret = esp_ble_gap_register_callback(gap_event_handler);
if (ret){
ESP_LOGE(GATTS_TABLE_TAG, "gap register error, error code = %x", ret);
return;
}
ret = esp_ble_gatts_app_register(ESP_APP_ID);
if (ret){
ESP_LOGE(GATTS_TABLE_TAG, "gatts app register error, error code = %x", ret);
return;
}
esp_err_t local_mtu_ret = esp_ble_gatt_set_local_mtu(500);
if (local_mtu_ret){
ESP_LOGE(GATTS_TABLE_TAG, "set local MTU failed, error code = %x", local_mtu_ret);
}
/* 创建任务用于定期的数据上报notify */
xTaskCreate(notify_task, "notify_Task", 4096, NULL, 8, NULL);
}

37
main/tmp/ble_gatts_server.h
View File

@ -1,37 +0,0 @@
#ifndef __BLE_GATTS_SERVER_H
#define __BLE_GATTS_SERVER_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define SPP_DATA_MAX_LEN (512)
/* Attributes State Machine */
enum
{
IDX_SVC,
/* gWordVar data write */
IDX_CHAR_A,
IDX_CHAR_VAL_A,
IDX_CHAR_CFG_A,
/* gWordVar data notify */
SPP_IDX_SPP_DATA_NOTIFY_CHAR,
SPP_IDX_SPP_DATA_NTY_VAL,
SPP_IDX_SPP_DATA_NTF_CFG,
HRS_IDX_NB,
};
/* 定时上报的数据内容 */
extern uint8_t notify_data[500];
extern uint32_t notify_len;
void ble_gatts_server_init(void);
#endif