Rdzleo
9223fd5a7d
一、BLE 蓝牙优化 - 设备名称改为动态名称 Airhub_MAC（基于BLE MAC地址） - 广播数据拆分为 ADV + Scan Response 两包 - 图片接收完成后数据直通显示（跳过SPIFFS重读，减少200-500ms延迟） - BLE耗时操作（NVS写入+导航显示）转移到独立FreeRTOS任务，避免BTC_TASK栈溢出 - 缩短BLE连接间隔（min=7.5ms, max=20ms），提升传输吞吐量 - 减少传输日志输出（每100包打印一次），提升传输速度 二、显示性能优化 - LVGL绘制缓冲区从DMA 30行改为PSRAM 120行大缓冲，减少flush次数 - CPU最大频率从160MHz提升到240MHz，提升解码性能 三、GIF动图支持（条件编译，当前默认关闭） - 实现自定义GIF播放器：Palette LUT查表 + TRUE_COLOR无Alpha + 后台线程解码流水线 - 使用 #if LV_USE_GIF 条件编译包裹所有GIF代码，sdkconfig中CONFIG_LV_USE_GIF=n时零开销 - 启用GIF时需设置 CONFIG_LV_USE_GIF=y 即可 四、图片管理优化 - BLE接收新图片后直接追加到列表（避免重扫SPIFFS目录） - SPIFFS图片扫描支持.gif扩展名（条件编译控制） 五、文档更新 - 设备运行日志：GIF性能瓶颈分析与优化方案 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
401 lines
16 KiB
C
401 lines
16 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "esp_bt.h"
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#include "esp_gap_ble_api.h"
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#include "esp_gatts_api.h"
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#include "esp_bt_main.h"
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#include "esp_bt_device.h"
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#include "esp_gatt_common_api.h"
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#include "esp_mac.h"
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#include "fatfs.h"
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#include "pages.h"
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#define APP_ID_PLACEHOLDER 0
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#define IMAGE_SERVICE_INSTID 0x0B
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#define IMAGE_SERVICE_UUID 0x0B00
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#define IMAGE_WRITE_UUID 0x0B01
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#define IMAGE_EDIT_UUID 0x0B02
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static uint16_t image_service_handle = 0;
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static uint16_t image_write_handle = 0;
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static uint16_t image_edit_handle = 0;
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static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param);
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static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param);
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static const char *CONN_TAG = "CONN_BLE";
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static char ble_device_name[32];
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static uint8_t adv_raw_len = 0;
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static uint16_t conn_id;
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static char *filepath;
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typedef struct
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{
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uint8_t type;
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char filename[23];
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uint32_t len;
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} Megtype;
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typedef struct{
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bool isSend;
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uint32_t port;
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} MegStatus;
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Megtype firstMeg;
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MegStatus SendStatus = {false,0};
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uint8_t *img_data = 0;
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FILE *file_img;
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// 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）
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static TaskHandle_t ble_process_task_handle = NULL;
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static char ble_pending_filename[24];
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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）
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static size_t ble_pending_data_size = 0;
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static void ble_process_task(void *arg) {
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while (1) {
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ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
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nvs_change_img(ble_pending_filename);
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ble_image_navigate_with_data(ble_pending_filename, ble_pending_data, ble_pending_data_size);
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ble_pending_data = NULL; // 所有权已转移，不再释放
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ble_pending_data_size = 0;
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}
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}
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static uint8_t attr_value_write[512] = {0};
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static uint8_t attr_value_edit[20] = {0};
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static esp_attr_value_t char_val_image_write = {
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.attr_max_len = 512,
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.attr_len = 512,
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.attr_value = attr_value_write
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} ;
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static esp_attr_value_t char_val_image_edit = {
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.attr_max_len = 20,
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.attr_len = 20,
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.attr_value = attr_value_edit
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} ;
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static esp_attr_control_t control_image_write = {
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.auto_rsp = ESP_GATT_AUTO_RSP
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};
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static esp_attr_control_t control_image_edit = {
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.auto_rsp = ESP_GATT_AUTO_RSP
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};
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// 图片传输服务
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static esp_gatt_srvc_id_t server_id_image = {
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.id.uuid.len = ESP_UUID_LEN_16,
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.id.uuid.uuid.uuid16 = IMAGE_SERVICE_UUID,
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.id.inst_id = IMAGE_SERVICE_INSTID,
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.is_primary = true,
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};
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static esp_bt_uuid_t image_write_uuid = {
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.len = ESP_UUID_LEN_16,
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.uuid.uuid16 = IMAGE_WRITE_UUID,
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};
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static esp_bt_uuid_t image_edit_uuid = {
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.len = ESP_UUID_LEN_16,
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.uuid.uuid16 = IMAGE_EDIT_UUID,
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};
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static esp_ble_adv_params_t adv_params = {
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.adv_int_min = 0x20,
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.adv_int_max = 0x20,
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.adv_type = ADV_TYPE_IND,
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.own_addr_type = BLE_ADDR_TYPE_PUBLIC,
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.channel_map = ADV_CHNL_ALL,
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.adv_filter_policy = ADV_FILTER_ALLOW_SCAN_ANY_CON_ANY,
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};
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static uint8_t adv_raw_data[31];
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// Scan Response 数据：厂商标识 + 服务UUID
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static uint8_t scan_rsp_data[] = {
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0x07, ESP_BLE_AD_MANUFACTURER_SPECIFIC_TYPE, 0x4C, 0x44, 0x64, 0x7A, 0x62, 0x6A, // "LDdzbj"
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0x03, ESP_BLE_AD_TYPE_16SRV_CMPL, 0x00, 0x0B, // 服务UUID 0x0B00
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};
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void ble_init(void)
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{
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esp_err_t ret;
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ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT));
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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ret = esp_bt_controller_init(&bt_cfg);
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s initialize controller failed: %s", __func__, esp_err_to_name(ret));
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return;
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}
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ret = esp_bt_controller_enable(ESP_BT_MODE_BLE);
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s enable controller failed: %s", __func__, esp_err_to_name(ret));
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return;
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}
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ret = esp_bluedroid_init();
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s init bluetooth failed: %s", __func__, esp_err_to_name(ret));
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return;
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}
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ret = esp_bluedroid_enable();
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s enable bluetooth failed: %s", __func__, esp_err_to_name(ret));
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return;
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}
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ret = esp_ble_gap_register_callback(esp_gap_cb);
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s gap register failed, error code = %x", __func__, ret);
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return;
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}
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ret = esp_ble_gatts_register_callback(gatts_event_handler);
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s gatts register failed, error code = %x", __func__, ret);
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return;
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}
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ret = esp_ble_gatts_app_register(APP_ID_PLACEHOLDER);
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if (ret) {
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ESP_LOGE(CONN_TAG, "%s gatts app register failed, error code = %x", __func__, ret);
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return;
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}
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ret = esp_ble_gatt_set_local_mtu(512);
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if (ret) {
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ESP_LOGE(CONN_TAG, "set local MTU failed, error code = %x", ret);
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return;
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}
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// 获取 BLE MAC 地址并构建设备名称: Airhub_xx:xx:xx:xx:xx:xx
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const uint8_t *ble_addr = esp_bt_dev_get_address();
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if (ble_addr) {
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snprintf(ble_device_name, sizeof(ble_device_name),
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"Airhub_%02x:%02x:%02x:%02x:%02x:%02x",
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ble_addr[0], ble_addr[1], ble_addr[2],
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ble_addr[3], ble_addr[4], ble_addr[5]);
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ESP_LOGI(CONN_TAG, "BLE MAC: %02x:%02x:%02x:%02x:%02x:%02x",
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ble_addr[0], ble_addr[1], ble_addr[2],
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ble_addr[3], ble_addr[4], ble_addr[5]);
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} else {
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strcpy(ble_device_name, "Airhub_BLE");
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ESP_LOGW(CONN_TAG, "获取BLE MAC失败，使用默认名称: %s", ble_device_name);
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}
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ret = esp_ble_gap_set_device_name(ble_device_name);
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if (ret) {
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ESP_LOGE(CONN_TAG, "set device name failed, error code = %x", ret);
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return;
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}
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ESP_LOGI(CONN_TAG, "蓝牙设备名称: %s", ble_device_name);
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// 构建广播数据: Flags + Complete Local Name
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uint8_t name_len = strlen(ble_device_name);
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int offset = 0;
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adv_raw_data[offset++] = 0x02;
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adv_raw_data[offset++] = ESP_BLE_AD_TYPE_FLAG;
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adv_raw_data[offset++] = 0x06;
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adv_raw_data[offset++] = name_len + 1;
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adv_raw_data[offset++] = ESP_BLE_AD_TYPE_NAME_CMPL;
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memcpy(&adv_raw_data[offset], ble_device_name, name_len);
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offset += name_len;
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adv_raw_len = offset;
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ret = esp_ble_gap_config_adv_data_raw(adv_raw_data, adv_raw_len);
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if (ret) {
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ESP_LOGE(CONN_TAG, "config adv data failed, error code = %x", ret);
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}
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// 配置 Scan Response 数据（厂商标识 "dzbj" + 服务UUID）
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ret = esp_ble_gap_config_scan_rsp_data_raw(scan_rsp_data, sizeof(scan_rsp_data));
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if (ret) {
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ESP_LOGE(CONN_TAG, "config scan response data failed, error code = %x", ret);
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}
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// 创建图片处理任务（8KB 栈，足够 SPIFFS 扫描 + LVGL + GIF 解码）
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xTaskCreate(ble_process_task, "ble_img", 8192, NULL, 5, &ble_process_task_handle);
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}
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static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *param)
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{
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switch (event) {
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case ESP_GAP_BLE_ADV_DATA_RAW_SET_COMPLETE_EVT:
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ESP_LOGI(CONN_TAG, "Advertising data set, status %d", param->adv_data_raw_cmpl.status);
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// ADV 数据设置完成，等待 Scan Response 也设置完成后再开始广播
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break;
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case ESP_GAP_BLE_SCAN_RSP_DATA_RAW_SET_COMPLETE_EVT:
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ESP_LOGI(CONN_TAG, "Scan response data set, status %d", param->scan_rsp_data_raw_cmpl.status);
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esp_ble_gap_start_advertising(&adv_params);
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break;
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case ESP_GAP_BLE_ADV_START_COMPLETE_EVT:
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if (param->adv_start_cmpl.status != ESP_BT_STATUS_SUCCESS) {
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ESP_LOGE(CONN_TAG, "Advertising start failed, status %d", param->adv_start_cmpl.status);
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break;
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}
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ESP_LOGI(CONN_TAG, "Advertising start successfully");
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break;
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case ESP_GAP_BLE_ADV_STOP_COMPLETE_EVT:
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if (param->adv_stop_cmpl.status != ESP_BT_STATUS_SUCCESS) {
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ESP_LOGE(CONN_TAG, "Advertising stop failed, status %d", param->adv_stop_cmpl.status);
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}
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ESP_LOGI(CONN_TAG, "Advertising stop successfully");
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break;
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case ESP_GAP_BLE_UPDATE_CONN_PARAMS_EVT:
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ESP_LOGI(CONN_TAG, "Connection params update, status %d, conn_int %d, latency %d, timeout %d",
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param->update_conn_params.status,
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param->update_conn_params.conn_int,
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param->update_conn_params.latency,
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param->update_conn_params.timeout);
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break;
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default:
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break;
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}
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}
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// GATT服务器事件处理函数
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static void gatts_event_handler(esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
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{
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switch (event) {
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case ESP_GATTS_REG_EVT:
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ESP_LOGI(CONN_TAG, "GATT server register, status %d, app_id %d",param->reg.status, param->reg.app_id);
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// 创建图片传输服务
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esp_ble_gatts_create_service(gatts_if,&server_id_image,10);
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break;
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case ESP_GATTS_CREATE_EVT:
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if (param->create.status == ESP_GATT_OK) {
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image_service_handle = param->create.service_handle;
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esp_ble_gatts_add_char(
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image_service_handle,
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&image_write_uuid,
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ESP_GATT_PERM_WRITE,
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ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_WRITE_NR,
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&char_val_image_write,
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&control_image_write
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);
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esp_ble_gatts_add_char(
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image_service_handle,
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&image_edit_uuid,
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ESP_GATT_PERM_WRITE,
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ESP_GATT_CHAR_PROP_BIT_WRITE | ESP_GATT_CHAR_PROP_BIT_WRITE_NR,
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&char_val_image_edit,
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&control_image_edit
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);
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ESP_LOGI(CONN_TAG, "图片传输服务创建成功，句柄: %x", image_service_handle);
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} else {
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ESP_LOGE(CONN_TAG, "服务创建失败，状态: %d", param->create.status);
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}
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break;
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case ESP_GATTS_ADD_CHAR_EVT:
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if (param->add_char.status == ESP_GATT_OK) {
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if (param->add_char.char_uuid.uuid.uuid16 == (uint16_t)IMAGE_WRITE_UUID) {
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image_write_handle = param->add_char.attr_handle;
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ESP_LOGI(CONN_TAG, "图片写入特征创建成功,句柄: %d", image_write_handle);
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} else if (param->add_char.char_uuid.uuid.uuid16 == (uint16_t)IMAGE_EDIT_UUID) {
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image_edit_handle = param->add_char.attr_handle;
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ESP_LOGI(CONN_TAG, "图片编辑特征创建成功,句柄: %d", image_edit_handle);
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esp_ble_gatts_start_service(image_service_handle);
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}
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} else {
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ESP_LOGE(CONN_TAG, "特征创建失败，状态: %d", param->add_char.status);
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}
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break;
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case ESP_GATTS_WRITE_EVT:
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if(param->write.handle == image_write_handle){
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uint8_t *value = param->write.value;
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if(!SendStatus.isSend){
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ESP_LOGI(CONN_TAG, "处理前序数据");
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firstMeg.type = value[0];
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memcpy(firstMeg.filename, value + 1, 22);
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firstMeg.filename[22] = '\0';
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firstMeg.len = (value[23] << 16) | (value[24] << 8) | value[25];
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ESP_LOGI(CONN_TAG, "图片数据长度：%d",(int)firstMeg.len);
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if(firstMeg.type == 0xfd){
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SendStatus.isSend = true;
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img_data = malloc((int)firstMeg.len);
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filepath = malloc(sizeof(char) * 33);
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sprintf(filepath,"/spiflash/%s",firstMeg.filename);
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file_img = fopen(filepath,"wb");
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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);
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}
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}else if(SendStatus.isSend){
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uint8_t pkt_no = *value;
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uint8_t isEnd = *(value + 1);
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// 每 100 包或最后一包打印日志（减少串口输出提升传输速度）
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if (pkt_no % 100 == 0 || isEnd) {
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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);
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}
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uint8_t *data = value + 2;
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memcpy(img_data + SendStatus.port,data,(int)param->write.len-2);
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SendStatus.port += param->write.len-2;
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if(isEnd){
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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",
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(int)SendStatus.port,(int)firstMeg.len,img_data[0],img_data[1]);
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fwrite(img_data,sizeof(uint8_t),firstMeg.len,file_img);
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fclose(file_img);
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SendStatus.isSend = false;
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SendStatus.port = 0;
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// img_data 不释放，传给显示任务直通显示（跳过 SPIFFS 重读）
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ble_pending_data = img_data;
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ble_pending_data_size = firstMeg.len;
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img_data = NULL; // 转移所有权
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free(filepath);
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ESP_LOGI(CONN_TAG,"图片接收成功，数据直通显示(%d字节)", (int)ble_pending_data_size);
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strncpy(ble_pending_filename, firstMeg.filename, sizeof(ble_pending_filename) - 1);
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ble_pending_filename[sizeof(ble_pending_filename) - 1] = '\0';
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xTaskNotifyGive(ble_process_task_handle);
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}
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}
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}// 图片编辑特征写入事件
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else if(param->write.handle == image_edit_handle){
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uint8_t *value = param->write.value;
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char imgName[23];
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uint8_t type = *(value + param->write.len - 1);
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memcpy(imgName, value, 23);
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if(type == 0xff){
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// 耗时操作转移到独立任务执行
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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);
|
||
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);
|
||
esp_ble_gap_start_advertising(&adv_params);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|