STM32f4————TFTLCD显示实验代码（04）
/*******************************************************/
//③ 引脚复用映射设置
GPIO_PinAFConfig(GPIOD,GPIO_PinSource0,GPIO_AF_FSMC);//PD0,AF12
GPIO_PinAFConfig(GPIOD,GPIO_PinSource1,GPIO_AF_FSMC);//PD1,AF12
GPIO_PinAFConfig(GPIOD,GPIO_PinSource4,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource5,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource8,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource9,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource10,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource14,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource15,GPIO_AF_FSMC);//PD15,AF12
GPIO_PinAFConfig(GPIOE,GPIO_PinSource7,GPIO_AF_FSMC);//PE7,AF12
GPIO_PinAFConfig(GPIOE,GPIO_PinSource8,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource9,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource10,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource11,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource12,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource13,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource14,GPIO_AF_FSMC);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource15,GPIO_AF_FSMC);//PE15,AF12
GPIO_PinAFConfig(GPIOF,GPIO_PinSource12,GPIO_AF_FSMC);//PF12,AF12
GPIO_PinAFConfig(GPIOG,GPIO_PinSource12,GPIO_AF_FSMC);
//④FSMC 初始化
readWriteTiming.FSMC_AddressSetupTime = 0XF; //地址建立时间为16个HCLK
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间模式A 未用到
readWriteTiming.FSMC_DataSetupTime = 24;//数据保存时间为25个HCLK
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A; //模式 A
writeTiming.FSMC_AddressSetupTime =8; //地址建立时间（ADDSET）为 8个 HCLK
writeTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间
writeTiming.FSMC_DataSetupTime = 8; //数据保存时间为6ns*9 个 HCLK=54ns
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_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;
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
//⑤使能 FSMC
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE); // 使能BANK1
delay_ms(50); // delay 50 ms
lcddev.id = LCD_ReadReg(0x0000);
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