| GPIO_InitTypeDef GPIO_InitStructure; FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMTimingInitTypeDef readWriteTiming; FSMC_NORSRAMTimingInitTypeDef writeTiming; //使能FSMC时钟 RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC,ENABLE); //使能PORTB,D,E,时钟 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB|RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOE, ENABLE); //LCD使能I/O设置 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; 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_UP; GPIO_Init(GPIOB, &GPIO_InitStructure); /*FSMC * data lines,FSMC-D0~D15: PD 0 1 8 9 10 14 15,PE 7 8 9 10 11 12 13 14 15 * PD4-FSMC_NOE  CD-RD PD4* PD5-FSMC_NWE CD-WR PD5* PD7-FSMC_NE1 CD-CS PD7* PD11-FSMC_A18 CD-DC PD13*/ 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_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_Init(GPIOD,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; GPIO_Init(GPIOE,&GPIO_InitStructure); //复用映射 GPIO_PinAFConfig(GPIOD,GPIO_PinSource0,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource1,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource4,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource5,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource7,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_PinSource13,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource14,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOD,GPIO_PinSource15,GPIO_AF_FSMC); GPIO_PinAFConfig(GPIOE,GPIO_PinSource7,GPIO_AF_FSMC); 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); //地址建立时间（ADDSET）为16个HCLK 1/168M=96ns readWriteTiming.FSMC_AddressSetupTime = 0xf; //地址保持时间（ADDHLD）模式A未用到 readWriteTiming.FSMC_AddressHoldTime = 0x00; //数据保存时间为60个HCLK,因为液晶驱动IC的读数据的时候，速度不能太快 readWriteTiming.FSMC_DataSetupTime = 60; readWriteTiming.FSMC_BusTurnAroundDuration = 0x00; readWriteTiming.FSMC_CLKDivision = 0x00; readWriteTiming.FSMC_DataLatency = 0x00; //模式A readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A; //地址建立时间（ADDSET）为9个HCLK writeTiming.FSMC_AddressSetupTime = 9; //地址保持时间（ADDHLD）模式A未用到 writeTiming.FSMC_AddressHoldTime = 0x00; //数据保存时间为8个HCLK writeTiming.FSMC_DataSetupTime = 8; writeTiming.FSMC_BusTurnAroundDuration = 0x00; writeTiming.FSMC_CLKDivision = 0x00; writeTiming.FSMC_DataLatency = 0x00; //模式A writeTiming.FSMC_AccessMode = FSMC_AccessMode_A; //使用NE1 FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; //不复用数据地址 FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; //FSMC_MemoryType_SRAM; //SRAM FSMC_NORSRAMInitStructure.FSMC_MemoryType =FSMC_MemoryType_SRAM; //存储器数据宽度为16bit FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; //FSMC_BurstAccessMode_Disable FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode =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; //存储器写使能 FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; //读写使用不同的时序 FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; //读写时序 FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &readWriteTiming; //写时序 FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &writeTiming; //初始化FSMC配置 FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); //使能BANK1 FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE); Delay_ms(50); printf("5555555555555\r\n"); LCD_Write(0x0000,0x0001);/*程序卡死在这*/ printf("6666666666666\r\n"); Delay_ms(50); //ID 9325 LCD_infor.ID = LCD_Read(0x0000); printf("ID:%x\r\n",LCD_infor.ID); |
ILI9325屏比较经典，在开发板STM3210E上用的就是这个屏，在其它开发板中也见到用这个屏的。
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typedef struct
{
__IO uint16_t LCD_REG;
__IO uint16_t LCD_RAM;
} LCD_TypeDef;
#define LCD_BASE ((uint32_t)(0x60000000 | 0x0C000000))
#define LCD ((LCD_TypeDef *) LCD_BASE)
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