结构体参数设置资料去哪参考

hack906447 · 发表于 2014-12-17 16:13:59

readWriteTiming.FSMC_AddressSetupTime = 0x01;     //地址建立时间（ADDSET）为2个HCLK 1/36M=27ns
    readWriteTiming.FSMC_AddressHoldTime = 0x00;     //地址保持时间（ADDHLD）模式A未用到
    readWriteTiming.FSMC_DataSetupTime = 0x0f;         // 数据保存时间为16个HCLK,因为液晶驱动IC的读数据的时候，速度不能太快，尤其对1289这个IC。
    readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
    readWriteTiming.FSMC_CLKDivision = 0x00;
    readWriteTiming.FSMC_DataLatency = 0x00;
    readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A;     //模式A


    writeTiming.FSMC_AddressSetupTime = 0x00;     //地址建立时间（ADDSET）为1个HCLK
    writeTiming.FSMC_AddressHoldTime = 0x00;     //地址保持时间（A
    writeTiming.FSMC_DataSetupTime = 0x03;         ////数据保存时间为4个HCLK
    writeTiming.FSMC_BusTurnAroundDuration = 0x00;
    writeTiming.FSMC_CLKDivision = 0x00;
    writeTiming.FSMC_DataLatency = 0x00;
    writeTiming.FSMC_AccessMode = FSMC_AccessMode_A;     //模式A

    FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1;//这里我们使用NE1
        //◎FSMC_Bank1_NORSRAM4;这里我们使用NE4 ，也就对应BTCR[6],[7]。
    FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; // 不复用数据地址
    FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_SRAM;// FSMC_MemoryType_SRAM; //SRAM
    FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//存储器数据宽度为16bit
    FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =FSMC_BurstAccessMode_Disable;// FSMC_BurstAccessMode_Disable;
    FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
    FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait=FSMC_AsynchronousWait_Disable;
    FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
    FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
    FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;    // 存储器写使能
    FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
    FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; // 读写使用不同的时序
    FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
    FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming; //读写时序
    FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &writeTiming; //写时序

    FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); //初始化FSMC配置

       FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE);// 使能BANK1
        //◎(FSMC_Bank1_NORSRAM4, ENABLE);