A20B-2900-0380

A20B-2900-0380

經(jīng)過DIO的為可自定義的接口，因此若在資源分配中發(fā)現(xiàn)某一類型的接口不夠用，可以在Digital Input/Output之間相互轉(zhuǎn)換，以便對板卡進(jìn)行資源分配。

整車環(huán)境模型架構(gòu)

整車環(huán)境模型的搭建是一個龐大的工程，里面涉及到車上的各個模塊邏輯和相關(guān)功能，還需考慮到各模塊之間的通訊、信號觀測和自動化測試等諸多因素，因此在搭建模型是建議參照如下原則。

獨(dú)立性：將CAN信號、IO信號、控制ECU、硬件模型、環(huán)境模型劃分模塊搭建，混在一起會導(dǎo)致模塊混亂、通用性差；

可觀測性：提前了解操作平臺的可觀測屬性和可標(biāo)定屬性，在搭建模型時需要有意識的將重要模塊的輸入信號做Override，輸出信號做成可觀測量；

適用性：及時了解自動化測試所使用的工具和相關(guān)屬性，例如TPT只可控制Subsystem的外層接口，因此需要將集成后的模型再打包成子模型；

便捷性：模塊的輸出信號和輸入信號的順序，要按照DBC的順序進(jìn)行統(tǒng)一，方便后面的修改替換；

檢測順序：

模型搭完后需對模型的正確性、信號收發(fā)的正確性和面板控制的正確性等方面進(jìn)行檢測，此過程中的檢測步驟如下：

1. 總線檢測：通過萬用表測量VCU接插件端到機(jī)柜板卡端的通斷，確保總線的正確性；

2. 板卡功能定義檢測：檢測板卡的輸入信號解析和輸出信號發(fā)送是否符合板卡定義，例如數(shù)字信號定義、模擬信號定義、PWM波信號定義等；

3. 駕駛員控制面板的檢測：檢測駕駛員控制操作，如油門、踏板、KeyON/Start等；

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