Files
Horldsence 4f893ce140 ESP32-S3 摄像头图传:固件 + Slint 客户端 + 共享协议
两块 ESP32-S3-WROOM-1-N16R8 图传板(DVP 接口接 OV2640/OV3660/OV5640),
向队伍客户端与裁判终端推 UDP 图传。固件是跑在 ESP-IDF 上的 Rust,用官方
esp32-camera 组件采集;客户端是 Rust + Slint 桌面程序。

三个 crate 各自独立构建:
  .            firmware,交叉编译到 Xtensa
  protocol/    线路格式与帧重组,两端共用,无 ESP-IDF 依赖,有单元测试
  client/      Slint 桌面客户端

视频走 UDP 而非 TCP:实测传感器产出 22 fps,TCP MJPEG 只送出 1.9 fps,
且只占用链路能力的 1%——链路是空的,帧堵在队头阻塞后面等一个实时画面
等不起的重传计时器。改为独立数据报、不重传、缺片丢整帧后达到 20.8 fps。

发现是双向的:板子每 2 秒广播 Hello,客户端广播 Subscribe,板子据此定向
推流。板子身份由 MAC 派生,重启不变,所以客户端可以把绑定存进配置。

裁判端同时收两块板子(每个发送方一个重组器),队伍端绑定其中一块并只显示
自己那一边的血量。装甲板接口已预留(ArmorSource trait + ARMOR_PORT),
当前无数据源,界面显示占位符。

vendor 了 esp32-camera 2.1.7:组件注册表的版本求解器找不到它,且需要打一处
补丁(见 components/esp32-camera/target/esp32s3/ll_cam.c)。

.gitignore 三条 target/ 都锚定在根目录,因为 protocol/ 与 client/ 各自也是
独立 crate;而 components/esp32-camera/target/ 是上游的按芯片分目录,里面是
源码,必须保留。
2026-10-05 18:22:19 +08:00

111 lines
2.5 KiB
CMake

# get IDF version for comparison
set(idf_version "${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}")
set(priv_requires "")
# set conversion sources
set(srcs
conversions/yuv.c
conversions/to_jpg.cpp
conversions/to_bmp.c
conversions/jpge.cpp
)
set(priv_include_dirs
conversions/private_include
)
set(include_dirs
driver/include
conversions/include
)
# set driver sources only for supported platforms
if(IDF_TARGET STREQUAL "esp32" OR IDF_TARGET STREQUAL "esp32s2" OR IDF_TARGET STREQUAL "esp32s3")
list(APPEND srcs
driver/esp_camera.c
driver/esp_camera_af.c
driver/cam_hal.c
driver/sensor.c
sensors/ov2640.c
sensors/ov3660.c
sensors/ov5640.c
sensors/ov5640_af.c
sensors/ov7725.c
sensors/ov7670.c
sensors/nt99141.c
sensors/gc0308.c
sensors/gc2145.c
sensors/gc032a.c
sensors/bf3005.c
sensors/bf20a6.c
sensors/sc101iot.c
sensors/sc030iot.c
sensors/sc031gs.c
sensors/mega_ccm.c
sensors/hm1055.c
sensors/hm0360.c
)
list(APPEND priv_include_dirs
driver/private_include
sensors/private_include
target/private_include
)
if(IDF_TARGET STREQUAL "esp32")
list(APPEND srcs
target/xclk.c
target/esp32/ll_cam.c
)
endif()
if(IDF_TARGET STREQUAL "esp32s2")
list(APPEND srcs
target/xclk.c
target/esp32s2/ll_cam.c
)
list(APPEND priv_include_dirs
target/esp32s2/private_include
)
endif()
if(IDF_TARGET STREQUAL "esp32s3")
list(APPEND srcs
target/esp32s3/ll_cam.c
)
endif()
list(APPEND priv_requires freertos nvs_flash esp_mm)
set(min_version_for_esp_timer "4.2")
if (idf_version VERSION_GREATER_EQUAL min_version_for_esp_timer)
list(APPEND priv_requires esp_timer)
endif()
# include the SCCB I2C driver
# this uses either the legacy I2C API or the newer version from IDF v5.4
# as this features a method to obtain the I2C driver from a port number
if (idf_version VERSION_GREATER_EQUAL "5.4" AND NOT CONFIG_SCCB_HARDWARE_I2C_DRIVER_LEGACY)
list(APPEND srcs driver/sccb-ng.c)
else()
list(APPEND srcs driver/sccb.c)
endif()
endif()
set(req driver)
if (idf_version VERSION_GREATER_EQUAL "6.0")
list(APPEND priv_requires esp_driver_gpio esp_driver_spi esp_driver_i2c)
list(APPEND req esp_driver_ledc esp_hal_clock)
endif()
idf_component_register(
SRCS ${srcs}
INCLUDE_DIRS ${include_dirs}
PRIV_INCLUDE_DIRS ${priv_include_dirs}
REQUIRES ${req}
PRIV_REQUIRES ${priv_requires}
)