定时器开启，跑测试代码，关闭，两次时间差
// /*-- FSMC Configuration ------------------------------------------------------*/
// /*----------------------- SRAM Bank x ----------------------------------------*/
// /* FSMC_Bank1_NORSRAMx configuration */
// /* ÉãÏñÍ·DMAÂéµã£¬ÐèÉèÖà 4 0 5 2 0 0 */
// timingWrite.FSMC_AddressSetupTime = 4;
// timingWrite.FSMC_AddressHoldTime = 0;
// timingWrite.FSMC_DataSetupTime = 6;
// timingWrite.FSMC_BusTurnAroundDuration = 1;
// timingWrite.FSMC_CLKDivision = 0;
// timingWrite.FSMC_DataLatency = 0;
// timingWrite.FSMC_AccessMode = FSMC_AccessMode_A;
// timingRead.FSMC_AddressSetupTime = 4;
// timingRead.FSMC_AddressHoldTime = 0;
// timingRead.FSMC_DataSetupTime = 8;
// timingRead.FSMC_BusTurnAroundDuration = 1;
// timingRead.FSMC_CLKDivision = 0;
// timingRead.FSMC_DataLatency = 0;
// timingRead.FSMC_AccessMode = FSMC_AccessMode_A;
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