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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/888247/ds90ub954-q1-ds90ub954
器件型号:DS90UB954-Q1您好、peiyq、
AEQ 可能会发生变化、因为链路中存在不稳定的锁定或奇偶校验错误。 我建议运行裕度分析工具来检查系统的眼图裕度并设置最佳 EQ 范围。 请查看此应用手册 :http://www.ti.com/lit/an/snla301/snla301.pdf
最棒的
Jiashow
您好!
您将 EQ 等级设置为14。
从 AEQ_STATUS 寄存器中、EQ STage1是位5:3、EQ STage2是位2:0。
请参阅应用手册 http://www.ti.com/lit/an/snla301/snla301.pdf 中的表4
Jiashow
你好,Jiasho
>从 AEQ_STATUS 寄存器中、EQ STage1是位5:3、EQ STage2是位2:0。
>请参阅应用手册中的表4: http://www.ti.com/lit/an/snla301/snla301.pdf
我看到了 snla301文档。
我认为您提到的情况正好相反。
对于 AEQ_STATUS 寄存器、EQ stage2是位5:3、EQ stage1是位2:0、这是对的吗?
我找不到有关这方面的文档规格。
你可以告诉我吗?
根据我们的客户问题,您能帮助回答?
很少发生无法解释的图像破裂。 此时的日志如附件所示(请附上#5的日志)。 AEQ_STATUS 会因通信错误而递增、
然后再次发生通信错误、AEQ_STATUS 进一步递增。 这种行为使得 AEQ_STATUS 似乎越来越远地偏离最佳状态。
请回答以下问题。
1。从日志中、如果错误寄存器设置为即使在 PowerOn 状态也是如此、AEQ_STATUS 似乎正在转换到 Figure 5中的 Increment Inner Loop。
尽管流程图中未描述此路线、但实际上是否有路线、此状态转换是否正确?
目前、根据 TI (中国台湾)的建议、环路范围设置为0至 F 的全范围、但0至5是 TI 工具中的适当范围。
将其设置为0-5似乎是明智的,以避免这种现象,这是正确的吗?
如下所示的 logcat:
Kernel_1970-01-01-09_00_35_356.log
01-01 09:00:54.232 0 I CAM_INFO:凸轮传感器:CAM_SENSOR_DRIVER_cmd:1155 CAM_START_DEV SUCCESS、SENSOR_ID:0x4688、SENSOR_SLAVE_ADDR:0x6c
01-01 09:00:54.288 0 0 I CAM_INFO:凸轮传感器:CAM_SENSOR_DRIVER_cmd:1155 CAM_START_DEV SUCCESS、SENSOR_ID:0x2770、SENSOR_SLAVE_ADDR:0x6c
01-01 09:00:56.958 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:00:56.959 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x2
01-01 09:00:56.959 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:56.959 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:00:56.991 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01 09:00:57.018 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xE 0x4E=0xE5
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x4
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:57.021 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、 RX_PAR_ERR_LO = 0x1A
01-01 09:00:58.338 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:00:58.339 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x4
01-01 09:00:58.339 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:58.348 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:00:58.372 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01:00:58.397 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 UNQ界 帧
01-01 09:00:58.409 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x25
01-01 09:00:58.410 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x5
01-01 09:00:58.410 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:58.411 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、 RX_PAR_ERR_LO = 0x3C
01-01 09:00:59.618 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:00:59.619 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x5
01-01 09:00:59.620 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:59.621 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:00:59.656 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01 09:00:59.678 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0x4 0x4E=0x4
01-01 09:00:59.678 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x7
01-01 09:00:59.678 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:59.679 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、 RX_PAR_ERR_LO = 0x8
01-01 09:00:59.858 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:00:59.858 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x7
01-01 09:00:59.858 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:59.859 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:00:59.863 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01:00:59.878 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01 09:00:59.918 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x65
01-01 09:00:59.919 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0xF
01-01 09:00:59.919 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x7、STS2=0x4
01-01 09:00:59.920 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x1、RX_PAR_ERR_LO = 0x3B
01-01 09:01:01.989 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:01:01.990 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0xF
01-01 09:01:01.990 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:01:01.992 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:02.0450 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01:02.0520 E CAM_ERR:CAM-ISP:CAM_Fif_CSID_IRQ:2871 CSID:1 ERROR_ECC
01-01:02.059 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01 09:01:02.062 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x24
01-01 09:01:02.063 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x17
01-01 09:01:02.063 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x13、STS2=0x4
01-01 09:01:02.063 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:02.066 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01:02.02.1000 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01:01:02.107 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2871 CSID:1 ERROR_ECC
01-01:01:02.114 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01 09:01:02.118 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x65
01-01 09:01:02.118 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x1F
01-01 09:01:02.119 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x27、STS2=0x4
01-01 09:01:02.119 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x9、RX_PAR_ERR_LO = 0xFC
01-01:01:02.136 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01:01:02.151 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2871 CSID:1 ERROR_ECC
01-01:02.02.02.158 0 E CAM_ERR:CAM-ISP:CAM_FIFE_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01:01:02.173 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 UNUNQ界 帧
01-01 09:01:02.178 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x25
01-01 09:01:02.178 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x0
01-01 09:01:02.179 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x13、STS2=0x4
01-01 09:01:02.181 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01 09:03:56.028 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取0x7A=0x0 0x4E=0x4
01-01 09:03:56.029 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x0
01-01 09:03:56.029 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:03:56.029 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、RX_PAR_ERR_LO = 0x0
01-01:03:56.036 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2866 CSID:1 ERROR_CRC
01-01 09:03:56.088 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xF 0x4E=0x2
01-01 09:03:56.576 0 I CAM_INFO:凸轮传感器:CAM_SENSOR_DRIVER_cmd:1189 CAM_STOP_DEV 成功、SENSOR_ID:0x4688、SENSOR_SLAVE_ADDR:0x6c
01-01 09:03:56.743 0 I CAM_INFO:凸轮传感器:CAM_SENSOR_DRIVER_cmd:1189 CAM_STOP_DEV 成功、SENSOR_ID:0x2770、SENSOR_SLAVE_ADDR:0x6c
更新此地图结果。
Jiasho、您好!
请帮助更新 流程图。
此外、您能否告诉我以下原因的根本原因:
01-01:00:56.991 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01 09:00:57.018 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xE 0x4E=0xE5
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x4
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1=0x3、STS2=0x4
01-01 09:00:57.021 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI = 0x0、 RX_PAR_ERR_LO = 0x1A
该误差的原理是什么? 如果 MAP 值良好、为什么仍然存在此问题? 这种问题是否不可避免?
你好,Jiasho
> SER 错误寄存器上没有错误?
我没有读取 SER 错误寄存器(0x5C-0x60)。
我使用示波器检查了 MIPI 波形。
>您在 DES 端看到了哪些错误? 您是否读取了寄存器0x4D、0x4E、0x55、0x56?
是的、我读取这些寄存器。 以下是日志。
01-01:00:56.991 0 E CAM_ERR:CAM-ISP:CAM_FEI_CSID_IRQ:2884 CSID:1 unbounded_frame
01-01 09:00:57.018 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:738 ov2718:RET=0、读取 0x7A=0xE 0x4E=0xE5
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:763 ov2718:读取 DEVICE_STS=0xDF、 AEQ_STATUS=0x4
01-01 09:00:57.019 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:767 ov2718:读取 STS1 (0x4D)=0x3、STS2 (0x4E)=0x4
01-01 09:00:57.021 0 0 I CAM_INFO:凸轮传感器:CHECK_ds953_STATUS:771 ov2718:读取 RX_PAR_ERR_HI (0x55)=0x0、 RX_PAR_ERR_LO (0x56)=0x1A