初始化 I2S 总线,使能 I2S_IN_DONE_INT 中断:当前 DMA 接收链表描述符被处理时即触发此中断 3. 初始化 DMA 相关变量(链表描述符、DMA 使用的数据缓冲区链表等),DMA 单次最多 4KB 、每行 DMA 采集几次 初始化存储图像的数据缓冲区(添加到一个链表中)并清空 初始化相关信号量:DMA 数据采集完成、一帧图像...
// 设置获取格式(jpeg),分辨率,一帧图像的字节,创建cam_task任务(从摄像头dma搬数据) err =cam_config(config, frame_size, s_state->sensor.id.PID); // cam_hal.c if (err != ESP_OK) { ESP_LOGE(TAG, "Camera config failed with error 0x%x", err); ...
< Timestamp since boot of the first DMA buffer of the frame */}camera_fb_t;#defineESP_ERR_CAMERA_BASE 0x20000#defineESP_ERR_CAMERA_NOT_DETECTED (ESP_ERR_CAMERA_BASE + 1)#defineESP_ERR_CAMERA_FAILED_TO_SET_FRAME_SIZE (ESP_ERR_CAMERA_BASE + 2)#defineESP_ERR_CAMERA_FAILED_TO_SET_OU...
< Timestamp since boot of the first DMA buffer of the frame */}camera_fb_t;#defineESP_ERR_CAMERA_BASE0x20000#defineESP_ERR_CAMERA_NOT_DETECTED(ESP_ERR_CAMERA_BASE+1)#defineESP_ERR_CAMERA_FAILED_TO_SET_FRAME_SIZE(ESP_ERR_CAMERA_BASE+2)#defineESP_ERR_CAMERA_FAILED_TO_SET_OUT_FORMAT(E...
主界面是摄像头画面实时显示在tft上,使用了双核解码传输处理逻辑,加之spi的dma传输数据,还有更优的解码库,让帧数达到最大。 电池电压的读取,与4个adc按键的读取,共用一个adc引脚,巧妙电路和代码逻辑来区分,极大节省引脚。 tft屏与sd卡引脚重合(引脚实在不够用),导致拍照写入sd卡后,得重启才能正常使用,否则tft异常...
360*240缩放dma显示 70ms左右。 整体刷新间隔: 差不多70ms //6 整理代码、增加adc功能按键及处理函数 电池电压,按键存sd //7 增加长按短按的判断、关闭tft及背光函数、长按key3切换功能、条件让core0休眠 //8 整理代码函数、尝试将局域网图传代码移植进来,优化2个功能切换运行、熄屏...
struct timeval timestamp; /*!< Timestamp since boot of the first DMA buffer of the frame */ } camera_fb_t; #define ESP_ERR_CAMERA_BASE 0x20000 #define ESP_ERR_CAMERA_NOT_DETECTED (ESP_ERR_CAMERA_BASE + 1) #define ESP_ERR_CAMERA_FAILED_TO_SET_FRAME_SIZE (ESP_ERR_CAMERA_BASE + ...
Joined:Wed Dec 06, 2023 2:46 pm Re: ESP32-Cam Postbyliaifat85»Sat May 18, 2024 10:40 am You can check this github thread regarding this "E (543) camera: Camera probe failed with error 0x105(ESP_ERR_NOT_FOUND) Camera init failed with error 0x105" error. Somebody said that the...
但是,当循环函数第二次运行时,我得到以下错误: E (8526) sdmmc_cmd: sdmmc_read_sectors_dma: sdmmc_send_cmd returned 0xffffffff 浏览206提问于2021-04-14得票数 0 1回答 将图像从ESP32-CAM保存到SD卡 、、、 我试图保存一个图像从ESP32-CAM到SD卡。上传代码后,我以115200的波特率打开了串行监视器...
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