我使用的是NE1,初始化配置如下,
void LCD_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef readWriteTiming;
FSMC_NORSRAMTimingInitTypeDef writeTiming;
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC,ENABLE); //使能FSMC时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF,ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG,ENABLE);//使能PORTA,B,C,D,E,F,G时钟
GPIO_PinAFConfig(GPIOD,GPIO_PinSource14,GPIO_AF_FSMC); //FSMC_D0
GPIO_PinAFConfig(GPIOD,GPIO_PinSource15,GPIO_AF_FSMC); //FSMC_D1
GPIO_PinAFConfig(GPIOD,GPIO_PinSource0,GPIO_AF_FSMC); //FSMC_D2
GPIO_PinAFConfig(GPIOD,GPIO_PinSource1,GPIO_AF_FSMC); //FSMC_D3
GPIO_PinAFConfig(GPIOE,GPIO_PinSource7,GPIO_AF_FSMC); //FSMC_D4
GPIO_PinAFConfig(GPIOE,GPIO_PinSource8,GPIO_AF_FSMC); //FSMC_D5
GPIO_PinAFConfig(GPIOE,GPIO_PinSource9,GPIO_AF_FSMC); //FSMC_D6
GPIO_PinAFConfig(GPIOE,GPIO_PinSource10,GPIO_AF_FSMC); //FSMC_D7
GPIO_PinAFConfig(GPIOE,GPIO_PinSource11,GPIO_AF_FSMC); //FSMC_D8
GPIO_PinAFConfig(GPIOE,GPIO_PinSource12,GPIO_AF_FSMC); //FSMC_D9
GPIO_PinAFConfig(GPIOE,GPIO_PinSource13,GPIO_AF_FSMC); //FSMC_D10
GPIO_PinAFConfig(GPIOE,GPIO_PinSource14,GPIO_AF_FSMC); //FSMC_D11
GPIO_PinAFConfig(GPIOE,GPIO_PinSource15,GPIO_AF_FSMC); //FSMC_D12
GPIO_PinAFConfig(GPIOD,GPIO_PinSource8,GPIO_AF_FSMC); //FSMC_D13
GPIO_PinAFConfig(GPIOD,GPIO_PinSource9,GPIO_AF_FSMC); //FSMC_D14
GPIO_PinAFConfig(GPIOD,GPIO_PinSource10,GPIO_AF_FSMC); //FSMC_D15
GPIO_PinAFConfig(GPIOD,GPIO_PinSource7,GPIO_AF_FSMC); //FSMC_NE1
GPIO_PinAFConfig(GPIOD,GPIO_PinSource13,GPIO_AF_FSMC); //FSMC_A18
GPIO_PinAFConfig(GPIOD,GPIO_PinSource5,GPIO_AF_FSMC); //FSMC_NWE
GPIO_PinAFConfig(GPIOD,GPIO_PinSource4,GPIO_AF_FSMC); //FSMC_NOE
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 |GPIO_Pin_1 |GPIO_Pin_4 |GPIO_Pin_5 |GPIO_Pin_7 |GPIO_Pin_8 |GPIO_Pin_9 |GPIO_Pin_10 |GPIO_Pin_13 |GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOD, &GPIO_InitStructure); //配置FSMC口
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 |GPIO_Pin_8 |GPIO_Pin_9 |GPIO_Pin_10 |GPIO_Pin_12 |GPIO_Pin_13 |GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOE, &GPIO_InitStructure); //配置FSMC口
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOC, &GPIO_InitStructure); //LCD_BL口(LCD背光控制)
readWriteTiming.FSMC_AddressSetupTime = 0x0f; //地址建立时间(ADDSET)
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间(ADDHLD)模式A未用到
readWriteTiming.FSMC_DataSetupTime = 0xff; //数据保存时间
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A; //模式A
writeTiming.FSMC_AddressSetupTime = 0x0f; //地址建立时间(ADDSET)
writeTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间
writeTiming.FSMC_DataSetupTime = 0x0f; //数据保存时间
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 ,也就对应BTCR[0],[1]。
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; // 使能扩展模式
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LCD_BASE定义如下
#define LCD_BASE ((u32)(0x60000000 | 0x0007FFFE))
因为用NE1,所以HADDR[27,26]=00,我用A18作为命令数据区分线
感觉我的初始化配置没什么问题,为了能成功读出DI,我把地址建立时间和数据保持时间都加大了不少,读ID和初始化命令都是移植原子的,发现初始化没成功
我用jtag跟踪了下,最后LCD_Clear(RED);这个指令执行了,可是屏幕没有变 {MOD}
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