tft账号服务器错误,TFTLCD无法显示的问题

这个问题已经困扰我好几个星期了，恳请大佬能够抽空助我一臂之力。小弟近来打算用stm32f103VET6,通过FSMC总线去驱动2.8寸TFTLCD. LCD的CS,WR,RS,RD等配置如下图所示(具体原理图请下载文件)

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2018-12-30 20:52 上传

现在的情况是代码烧进去，LCD的背光都无法点亮，整个显示屏一片漆黑。背光的引脚LCD_BL在代码LCD_Init()里面，应该是LCD根本就没有初始化成功吧？？？还是说FSMC配置错误也会影响到LCD背光的工作？？？以下我给出了FSMC配置的部分代码，具体代码请下载文件

GPIO_InitTypeDef GPIO_InitStructure;

FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;

FSMC_NORSRAMTimingInitTypeDef readWriteTiming;

FSMC_NORSRAMTimingInitTypeDef writeTiming;

RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC,ENABLE); //使能FSMC时钟

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE|RCC_APB2Periph_GPIOD ,ENABLE);//使能PORTE，PORTD

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; //PE1 推挽输出背光

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOE, &GPIO_InitStructure);

//PORTD复用推挽输出

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOD, &GPIO_InitStructure);

//PORTE复用推挽输出

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOE, &GPIO_InitStructure);

//PORTD12复用推挽输出 A16

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_11; // //PORTD复用推挽输出

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOD, &GPIO_InitStructure);

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。

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_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

我把LCD_BL拿出LCD_Init()函数去重新配置就可以点亮LCD的背光。我现在已经开始怀疑是不是硬件有问题了。。。。