RT1064 FlexIO Camera Problem

15219661324 — Thu, 02 Jul 2020 16:40:00 GMT

Hello,

I am trying to use flexio to connect a camera and using the following configuration. It can enter the CAMERA_VSYNC_IRQHandler, but can't enter the callback function, it seems that it can't receive the image data. I wonder what the problem is. The attachment is the project.

Thanks!

/* FlexIO管脚初始化 */

FlexIO_Camera_PinInit();

/* 配置FlexIO Camera设备 */

#if (CAMERA_FLEXIO_INST == 1U)

g_FlexioCameraDevice.flexioBase = FLEXIO1; /* 使用FlexIO1 */

#elif (CAMERA_FLEXIO_INST == 2U)

g_FlexioCameraDevice.flexioBase = FLEXIO2; /* 使用FlexIO1 */

#endif

g_FlexioCameraDevice.datPinStartIdx = CAMERA_FLEXIO_DATA_PIN_START_INDEX; /* 图像数据起始FlexIO引脚号 */

g_FlexioCameraDevice.pclkPinIdx = CAMERA_FLEXIO_PCLK_PIN_INDEX; /* 像素时钟信号FlexIO引脚 */

g_FlexioCameraDevice.hrefPinIdx = CAMERA_FLEXIO_HREF_PIN_INDEX; /* 行同步信号FlexIO引脚 */

g_FlexioCameraDevice.shifterStartIdx = 3U; /* FlexIO缓冲区起始编号4 (RT10xx只有四个缓冲区) - 缓冲区数量 */

g_FlexioCameraDevice.shifterCount = 1U; /* FlexIO缓冲区数量 */

g_FlexioCameraDevice.timerIdx = 0U; /* 用于FlexIO Camera定时器编号 */

/* 初始化FlexIO Camera. */

flexio_camera_config_t cameraConfig;

FLEXIO_CAMERA_GetDefaultConfig(&cameraConfig);

FLEXIO_CAMERA_Init(&g_FlexioCameraDevice, &cameraConfig);

/* 清除所有标志 */

FLEXIO_CAMERA_ClearStatusFlags(&g_FlexioCameraDevice,

kFLEXIO_CAMERA_RxDataRegFullFlag | kFLEXIO_CAMERA_RxErrorFlag);

FLEXIO_CAMERA_Enable(&g_FlexioCameraDevice, true);

/* 配置 DMA */

DMAMUX_Init(DMAMUX);

#if (CAMERA_FLEXIO_INST == 1U)

DMAMUX_SetSource(DMAMUX, DMA_CHN_FLEXIO_TO_FRAMEBUFF, kDmaRequestMuxFlexIO1Request2Request3);

#elif (CAMERA_FLEXIO_INST == 2U)

DMAMUX_SetSource(DMAMUX, DMA_CHN_FLEXIO_TO_FRAMEBUFF, kDmaRequestMuxFlexIO2Request2Request3);

#endif

DMAMUX_EnableChannel(DMAMUX, DMA_CHN_FLEXIO_TO_FRAMEBUFF);

/* 初始化 EDMA 模块 */

edma_config_t edmaConfig;

EDMA_GetDefaultConfig(&edmaConfig);

edmaConfig.enableDebugMode = true;

EDMA_Init(DMA0, &edmaConfig);

EDMA_CreateHandle(&g_edmaHandle, DMA0, DMA_CHN_FLEXIO_TO_FRAMEBUFF);

/* 创建相机句柄 */

FLEXIO_CAMERA_TransferCreateHandleEDMA(&g_FlexioCameraDevice, &g_cameraEdmaHandle, FlexIO_Camera_UserCallback, NULL,

&g_edmaHandle);

/* 配置FlexIO Camera传输数据结构体 */

g_cameraTransfer.dataAddress = (uint32_t)g_FlexioCameraFrameBuffer; /* 图像缓冲区地址 */

g_cameraTransfer.dataNum = FLEXIO_FRAME_HEIGHT * FLEXIO_FRAME_WIDTH; /* 缓冲区大小 */

/* 开启dma接收图像数据 */

FLEXIO_CAMERA_TransferReceiveEDMA(&g_FlexioCameraDevice, &g_cameraEdmaHandle, &g_cameraTransfer);

/* 初始化场中断 */

FlexIO_Camera_VsynPinInit();

Re: RT1064 FlexIO Camera Problem

kerryzhou — Fri, 03 Jul 2020 02:39:39 GMT

Hi 陈文龙

About the flexIO with CSI, please refer to the RT1020 flexIO CSI code, which is shared in the nxp eefocus forum:

FlexIO模块模拟CSI （CMOS Sensor Interface）操作摄像头 - i.MX - 恩智浦技术社区 - 手机版 - Powered by Discuz!

Please refer to that code at first.

Wish it helps you!

If you still have questions about it, please kindly let me know.

Best Regards,

Kerry

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