ccHDtv-01

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ccHDtv測試

更新記錄

item note
2015 第一版

目錄

Return Channel

  • NVR由RS232發出rc command經由同軸線到達camera端
  • Camera端經由RF訊號回傳RC Response
    • 注意當NVR RX收到時，遇到CRC Fail將會drop，此機制(當回傳Response有問題，遇到再送一次command)不確定是否有作

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Return Channel Packet Format

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  • 實際uart送出訊息如下

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  • 檢測到RX板會產生
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 # ls /dev/usb-it930x*
/dev/usb-it930x0  /dev/usb-it930x1  /dev/usb-it930x2  /dev/usb-it930x3
  • test kit 送出 Device Management Device / Device Info / Get

Cmd為 0x8101
TXID為 0x38ee
RXID為 0xffb0

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===========User Define Get Reply CallBack===========
    Command = 0x8101      TxID = 0x38ee      RxID = 0xffb0!!!
===========User Define Get Reply CallBack===========
=== Cmd=0x8101: User_getDeviceInformationReply ===

    manufactureName.stringLength	= 20
    manufactureName.stringData		= Cam
    modelName.stringLength		= 20
    modelName.stringData		= HDTV_720
    firmwareVersion.stringLength	= 15
    firmwareVersion.stringData		=  15/06/18 09:06
    serialNumber.stringLength		= 64
    serialNumber.stringData		= NONE
    hardwareId.stringLength		= 64
    hardwareId.stringData		= NONE
=== Cmd=0x8101: User_getDeviceInformationReply ===

Rcv Command OK!!

其它問題

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