Rdzleo da64d3e930 feat: 启用 BLE 5.0 2M PHY 图传加速 + BLE 断连内存泄漏修复 + 滑动跳过无效图片
1、ble.c 新增 BLE 5.0 2M PHY 请求(连接时自动协商,不支持则回退 1M);
2、ble.c 新增 PHY 更新事件日志(tx_phy/rx_phy: 1=1M, 2=2M, 3=Coded);
3、ble.c 断连时清理未完成的图片传输状态,释放 img_data/filepath/file_img 防止内存泄漏;
4、sdkconfig 启用 BLE 5.0 全部子特性 + 保留 BLE 4.2 兼容;
5、update_ui_ImgBle 返回类型 void → bool,滑动时自动跳过解码失败的无效图片;

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-24 18:23:15 +08:00

424 lines
18 KiB
C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_log.h"
#include "esp_bt.h"
#include "esp_gap_ble_api.h"
#include "esp_gatts_api.h"
#include "esp_bt_main.h"
#include "esp_bt_device.h"
#include "esp_gatt_common_api.h"
#include "esp_mac.h"
#include "fatfs.h"
#include "pages.h"
#define APP_ID_PLACEHOLDER 0
#define IMAGE_SERVICE_INSTID 0x0B
#define IMAGE_SERVICE_UUID 0x0B00
#define IMAGE_WRITE_UUID 0x0B01
#define IMAGE_EDIT_UUID 0x0B02
static uint16_t image_service_handle = 0;
static uint16_t image_write_handle = 0;
static uint16_t image_edit_handle = 0;
static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param);
static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
static const char *CONN_TAG = "CONN_BLE";
static char ble_device_name[32];
static uint8_t adv_raw_len = 0;
static uint16_t conn_id;
static char *filepath;
typedef struct
{
uint8_t type;
char filename[23];
uint32_t len;
} Megtype;
typedef struct{
bool isSend;
uint32_t port;
} MegStatus;
Megtype firstMeg;
MegStatus SendStatus = {false,0};
uint8_t *img_data = 0;
FILE *file_img;
// BLE 图片处理任务NVS 写入 + 导航显示在独立任务中执行,避免 BTC_TASK 栈溢出)
static TaskHandle_t ble_process_task_handle = NULL;
static char ble_pending_filename[24];
static uint8_t *ble_pending_data = NULL; // 传输完成的图片数据(直通显示,跳过 SPIFFS 重读)
static size_t ble_pending_data_size = 0;
static void ble_process_task(void *arg) {
while (1) {
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
nvs_change_img(ble_pending_filename);
ble_image_navigate_with_data(ble_pending_filename, ble_pending_data, ble_pending_data_size);
ble_pending_data = NULL; // 所有权已转移,不再释放
ble_pending_data_size = 0;
}
}
static uint8_t attr_value_write[512] = {0};
static uint8_t attr_value_edit[20] = {0};
static esp_attr_value_t char_val_image_write = {
.attr_max_len = 512,
.attr_len = 512,
.attr_value = attr_value_write
} ;
static esp_attr_value_t char_val_image_edit = {
.attr_max_len = 20,
.attr_len = 20,
.attr_value = attr_value_edit
} ;
static esp_attr_control_t control_image_write = {
.auto_rsp = ESP_GATT_AUTO_RSP
};
static esp_attr_control_t control_image_edit = {
.auto_rsp = ESP_GATT_AUTO_RSP
};
// 图片传输服务
static esp_gatt_srvc_id_t server_id_image = {
.id.uuid.len = ESP_UUID_LEN_16,
.id.uuid.uuid.uuid16 = IMAGE_SERVICE_UUID,
.id.inst_id = IMAGE_SERVICE_INSTID,
.is_primary = true,
};
static esp_bt_uuid_t image_write_uuid = {
.len = ESP_UUID_LEN_16,
.uuid.uuid16 = IMAGE_WRITE_UUID,
};
static esp_bt_uuid_t image_edit_uuid = {
.len = ESP_UUID_LEN_16,
.uuid.uuid16 = IMAGE_EDIT_UUID,
};
static esp_ble_adv_params_t adv_params = {
.adv_int_min = 0x20,
.adv_int_max = 0x20,
.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,
};
static uint8_t adv_raw_data[31];
// Scan Response 数据:厂商标识 + 服务UUID
static uint8_t scan_rsp_data[] = {
0x07, ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE, 0x4C, 0x44, 0x64, 0x7A, 0x62, 0x6A, // "LDdzbj"
0x03, ESP_BLE_AD_TYPE_16SRV_CMPL, 0x00, 0x0B, // 服务UUID 0x0B00
};
void ble_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(CONN_TAG, "%s initialize controller failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
if (ret) {
ESP_LOGE(CONN_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bluedroid_init();
if (ret) {
ESP_LOGE(CONN_TAG, "%s init bluetooth failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_bluedroid_enable();
if (ret) {
ESP_LOGE(CONN_TAG, "%s enable bluetooth failed: %s", __func__, esp_err_to_name(ret));
return;
}
ret = esp_ble_gap_register_callback(esp_gap_cb);
if (ret) {
ESP_LOGE(CONN_TAG, "%s gap register failed, error code = %x", __func__, ret);
return;
}
ret = esp_ble_gatts_register_callback(gatts_event_handler);
if (ret) {
ESP_LOGE(CONN_TAG, "%s gatts register failed, error code = %x", __func__, ret);
return;
}
ret = esp_ble_gatts_app_register(APP_ID_PLACEHOLDER);
if (ret) {
ESP_LOGE(CONN_TAG, "%s gatts app register failed, error code = %x", __func__, ret);
return;
}
ret = esp_ble_gatt_set_local_mtu(512);
if (ret) {
ESP_LOGE(CONN_TAG, "set local MTU failed, error code = %x", ret);
return;
}
// 获取 BLE MAC 地址并构建设备名称: Airhub_xx:xx:xx:xx:xx:xx
const uint8_t *ble_addr = esp_bt_dev_get_address();
if (ble_addr) {
snprintf(ble_device_name, sizeof(ble_device_name),
"Airhub_%02x:%02x:%02x:%02x:%02x:%02x",
ble_addr[0], ble_addr[1], ble_addr[2],
ble_addr[3], ble_addr[4], ble_addr[5]);
ESP_LOGI(CONN_TAG, "BLE MAC: %02x:%02x:%02x:%02x:%02x:%02x",
ble_addr[0], ble_addr[1], ble_addr[2],
ble_addr[3], ble_addr[4], ble_addr[5]);
} else {
strcpy(ble_device_name, "Airhub_BLE");
ESP_LOGW(CONN_TAG, "获取BLE MAC失败使用默认名称: %s", ble_device_name);
}
ret = esp_ble_gap_set_device_name(ble_device_name);
if (ret) {
ESP_LOGE(CONN_TAG, "set device name failed, error code = %x", ret);
return;
}
ESP_LOGI(CONN_TAG, "蓝牙设备名称: %s", ble_device_name);
// 构建广播数据: Flags + Complete Local Name
uint8_t name_len = strlen(ble_device_name);
int offset = 0;
adv_raw_data[offset++] = 0x02;
adv_raw_data[offset++] = ESP_BLE_AD_TYPE_FLAG;
adv_raw_data[offset++] = 0x06;
adv_raw_data[offset++] = name_len + 1;
adv_raw_data[offset++] = ESP_BLE_AD_TYPE_NAME_CMPL;
memcpy(&adv_raw_data[offset], ble_device_name, name_len);
offset += name_len;
adv_raw_len = offset;
ret = esp_ble_gap_config_adv_data_raw(adv_raw_data, adv_raw_len);
if (ret) {
ESP_LOGE(CONN_TAG, "config adv data failed, error code = %x", ret);
}
// 配置 Scan Response 数据(厂商标识 "dzbj" + 服务UUID
ret = esp_ble_gap_config_scan_rsp_data_raw(scan_rsp_data, sizeof(scan_rsp_data));
if (ret) {
ESP_LOGE(CONN_TAG, "config scan response data failed, error code = %x", ret);
}
// 创建图片处理任务8KB 栈,足够 SPIFFS 扫描 + LVGL + GIF 解码)
xTaskCreate(ble_process_task, "ble_img", 8192, NULL, 5, &ble_process_task_handle);
}
static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
{
switch (event) {
case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
ESP_LOGI(CONN_TAG, "Advertising data set, status %d", param->adv_data_raw_cmpl.status);
// ADV 数据设置完成,等待 Scan Response 也设置完成后再开始广播
break;
case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
ESP_LOGI(CONN_TAG, "Scan response data set, status %d", param->scan_rsp_data_raw_cmpl.status);
esp_ble_gap_start_advertising(&adv_params);
break;
case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
ESP_LOGE(CONN_TAG, "Advertising start failed, status %d", param->adv_start_cmpl.status);
break;
}
ESP_LOGI(CONN_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(CONN_TAG, "Advertising stop failed, status %d", param->adv_stop_cmpl.status);
}
ESP_LOGI(CONN_TAG, "Advertising stop successfully");
break;
case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
ESP_LOGI(CONN_TAG, "Connection params update, status %d, conn_int %d, latency %d, timeout %d",
param->update_conn_params.status,
param->update_conn_params.conn_int,
param->update_conn_params.latency,
param->update_conn_params.timeout);
break;
case ESP_GAP_BLE_PHY_UPDATE_COMPLETE_EVT:
ESP_LOGI(CONN_TAG, "PHY update, status %d, tx_phy %d, rx_phy %d",
param->phy_update.status,
param->phy_update.tx_phy,
param->phy_update.rx_phy);
// tx_phy/rx_phy: 1=1M, 2=2M, 3=Coded
break;
default:
break;
}
}
// GATT服务器事件处理函数
static void gatts_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_LOGI(CONN_TAG, "GATT server register, status %d, app_id %d",param->reg.status, param->reg.app_id);
// 创建图片传输服务
esp_ble_gatts_create_service(gatts_if,&server_id_image,10);
break;
case ESP_GATTS_CREATE_EVT:
if (param->create.status == ESP_GATT_OK) {
image_service_handle = param->create.service_handle;
esp_ble_gatts_add_char(
image_service_handle,
&image_write_uuid,
ESP_GATT_PERM_WRITE,
ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_WRITE_NR,
&char_val_image_write,
&control_image_write
);
esp_ble_gatts_add_char(
image_service_handle,
&image_edit_uuid,
ESP_GATT_PERM_WRITE,
ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_WRITE_NR,
&char_val_image_edit,
&control_image_edit
);
ESP_LOGI(CONN_TAG, "图片传输服务创建成功,句柄: %x", image_service_handle);
} else {
ESP_LOGE(CONN_TAG, "服务创建失败,状态: %d", param->create.status);
}
break;
case ESP_GATTS_ADD_CHAR_EVT:
if (param->add_char.status == ESP_GATT_OK) {
if (param->add_char.char_uuid.uuid.uuid16 == (uint16_t)IMAGE_WRITE_UUID) {
image_write_handle = param->add_char.attr_handle;
ESP_LOGI(CONN_TAG, "图片写入特征创建成功,句柄: %d", image_write_handle);
} else if (param->add_char.char_uuid.uuid.uuid16 == (uint16_t)IMAGE_EDIT_UUID) {
image_edit_handle = param->add_char.attr_handle;
ESP_LOGI(CONN_TAG, "图片编辑特征创建成功,句柄: %d", image_edit_handle);
esp_ble_gatts_start_service(image_service_handle);
}
} else {
ESP_LOGE(CONN_TAG, "特征创建失败,状态: %d", param->add_char.status);
}
break;
case ESP_GATTS_WRITE_EVT:
if(param->write.handle == image_write_handle){
uint8_t *value = param->write.value;
if(!SendStatus.isSend){
ESP_LOGI(CONN_TAG, "处理前序数据");
firstMeg.type = value[0];
memcpy(firstMeg.filename, value + 1, 22);
firstMeg.filename[22] = '\0';
firstMeg.len = (value[23] << 16) | (value[24] << 8) | value[25];
ESP_LOGI(CONN_TAG, "图片数据长度:%d",(int)firstMeg.len);
if(firstMeg.type == 0xfd){
SendStatus.isSend = true;
img_data = malloc((int)firstMeg.len);
filepath = malloc(sizeof(char) * 33);
sprintf(filepath,"/spiflash/%s",firstMeg.filename);
file_img = fopen(filepath,"wb");
ESP_LOGI(CONN_TAG,"传输通道建立成功,数据指针:%p,文件名称:%s,文件大小:%d",img_data,firstMeg.filename,(int)firstMeg.len);
}
}else if(SendStatus.isSend){
uint8_t pkt_no = *value;
uint8_t isEnd = *(value + 1);
// 每 100 包或最后一包打印日志(减少串口输出提升传输速度)
if (pkt_no % 100 == 0 || isEnd) {
ESP_LOGI(CONN_TAG, "获取到数据:第:%d包,长度:%d,是否结束:%d", pkt_no+1, (int)param->write.len, isEnd);
}
uint8_t *data = value + 2;
memcpy(img_data + SendStatus.port,data,(int)param->write.len-2);
SendStatus.port += param->write.len-2;
if(isEnd){
ESP_LOGI(CONN_TAG,"数据接收完毕,累计:%d字节预期:%d字节首字节:%02X %02X",
(int)SendStatus.port,(int)firstMeg.len,img_data[0],img_data[1]);
fwrite(img_data,sizeof(uint8_t),firstMeg.len,file_img);
fclose(file_img);
SendStatus.isSend = false;
SendStatus.port = 0;
// img_data 不释放,传给显示任务直通显示(跳过 SPIFFS 重读)
ble_pending_data = img_data;
ble_pending_data_size = firstMeg.len;
img_data = NULL; // 转移所有权
free(filepath);
ESP_LOGI(CONN_TAG,"图片接收成功,数据直通显示(%d字节)", (int)ble_pending_data_size);
strncpy(ble_pending_filename, firstMeg.filename, sizeof(ble_pending_filename) - 1);
ble_pending_filename[sizeof(ble_pending_filename) - 1] = '\0';
xTaskNotifyGive(ble_process_task_handle);
}
}
}// 图片编辑特征写入事件
else if(param->write.handle == image_edit_handle){
uint8_t *value = param->write.value;
char imgName[23];
uint8_t type = *(value + param->write.len - 1);
memcpy(imgName, value, 23);
if(type == 0xff){
// 耗时操作转移到独立任务执行
strncpy(ble_pending_filename, imgName, sizeof(ble_pending_filename) - 1);
ble_pending_filename[sizeof(ble_pending_filename) - 1] = '\0';
xTaskNotifyGive(ble_process_task_handle);
}else if(type == 0xF1){
remove(filepath);
SendStatus.isSend = false;
SendStatus.port = 0;
free(img_data);
free(filepath);
}
}
break;
case ESP_GATTS_CONNECT_EVT:
esp_ble_conn_update_params_t conn_params = {0};
memcpy(conn_params.bda, param->connect.remote_bda, sizeof(esp_bd_addr_t));
conn_params.latency = 0;
conn_params.max_int = 16; // 16 × 1.25ms = 20ms缩短连接间隔提升传输吞吐量
conn_params.min_int = 6; // 6 × 1.25ms = 7.5ms
conn_params.timeout = 400;
conn_id = param->connect.conn_id;
ESP_LOGI(CONN_TAG, "Connected, conn_id %u, remote "ESP_BD_ADDR_STR"",
param->connect.conn_id, ESP_BD_ADDR_HEX(param->connect.remote_bda));
esp_ble_gap_update_conn_params(&conn_params);
// 请求 2M PHY 提升传输速度(对端不支持时自动回退 1M不影响兼容性
esp_ble_gap_set_preferred_phy(param->connect.remote_bda,
ESP_BLE_GAP_NO_PREFER_TRANSMIT_PHY | ESP_BLE_GAP_NO_PREFER_RECEIVE_PHY,
ESP_BLE_GAP_PHY_2M_PREF_MASK,
ESP_BLE_GAP_PHY_2M_PREF_MASK,
ESP_BLE_GAP_PHY_OPTIONS_NO_PREF);
break;
case ESP_GATTS_DISCONNECT_EVT:
ESP_LOGI(CONN_TAG, "Disconnected, remote "ESP_BD_ADDR_STR", reason 0x%02x",
ESP_BD_ADDR_HEX(param->disconnect.remote_bda), param->disconnect.reason);
// 清理未完成的传输,防止内存泄漏
if (SendStatus.isSend) {
ESP_LOGW(CONN_TAG, "传输中断,已接收 %d/%d 字节",
(int)SendStatus.port, (int)firstMeg.len);
SendStatus.isSend = false;
SendStatus.port = 0;
if (img_data) { free(img_data); img_data = NULL; }
if (filepath) { free(filepath); filepath = NULL; }
if (file_img) { fclose(file_img); file_img = NULL; }
}
esp_ble_gap_start_advertising(&adv_params);
break;
default:
break;
}
}