STM32F2 FSMC LCD驱动问题

zyttea · 发表于 2016-9-5 10:08:49

改了原子的驱动，用模拟IO可以驱动LCD，但是FSMC不受控，D0~15、RD、WR都是高电平。
怎么才能用FSMC正确驱动LCD屏呢？

使用地址线A16 PD11RD PD4

WR  PD5
CS PD7 NE1
backlight PA1

#define LCD_BASE       ((uint32)(0x6001FFFE))
#define LCD          ((LCD_TypeDef *) LCD_BASE)

/***************************************************************************************/
  GPIO_InitTypeDef  GPIO_InitStructure;
FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
  FSMC_NORSRAMTimingInitTypeDef  readWriteTiming;
FSMC_NORSRAMTimingInitTypeDef  writeTiming;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA|RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOE, ENABLE);//使能PD,PE,PF,PG时钟

RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC,ENABLE);//使能FSMC时钟

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;//PB15 推挽输出,控制背光
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//普通输出模式
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//100MHz
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  //GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
  GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化 //PA1 推挽输出,控制背光
  LCD_LED_0;

  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 |
                              GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15;//(3<<0)|(3<<4)|(7<<8)|(3<<14);//PD0,1,4,5,8,9,10,14,15 AF OUT
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//100MHz
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
  GPIO_Init(GPIOD, &GPIO_InitStructure);//初始化

  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;//(0X1FF<<7);//PE7~15,AF OUT
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//100MHz
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
  GPIO_Init(GPIOE, &GPIO_InitStructure);//初始化

GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_4 | GPIO_Pin_5;//PD4 PD5
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//复用输出
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//上拉
GPIO_Init(GPIOD, &GPIO_InitStructure);//初始化

   /* NE1 configuration */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;

  GPIO_Init(GPIOD, &GPIO_InitStructure);

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(GPIOD, GPIO_PinSource7, GPIO_AF_FSMC);
  GPIO_PinAFConfig(GPIOD, GPIO_PinSource11, GPIO_AF_FSMC);
//  GPIO_PinAFConfig(GPIOF,GPIO_PinSource12,GPIO_AF_FSMC);//PF12,AF12
//  GPIO_PinAFConfig(GPIOG,GPIO_PinSource12,GPIO_AF_FSMC);

  readWriteTiming.FSMC_AddressSetupTime = 0XF;    //地址建立时间（ADDSET）为16个HCLK 1/168M=6ns*16=96ns
  readWriteTiming.FSMC_AddressHoldTime = 0x00;    //地址保持时间（ADDHLD）模式A未用到
  readWriteTiming.FSMC_DataSetupTime = 60; //数据保存时间为60个HCLK =6*60=360ns
  readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
  readWriteTiming.FSMC_CLKDivision = 0x00;
  readWriteTiming.FSMC_DataLatency = 0x00;
  readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_A;    //模式A

/*
readWriteTiming.FSMC_AddressSetupTime = 0X8; //地址建立时间（ADDSET）为16个HCLK 1/168M=6ns*16=96ns
readWriteTiming.FSMC_AddressHoldTime = 0x00; //地址保持时间（ADDHLD）模式A未用到
readWriteTiming.FSMC_DataSetupTime = 0X8;    //数据保存时间为60个HCLK    =6*60=360ns
readWriteTiming.FSMC_BusTurnAroundDuration = 0x00;
readWriteTiming.FSMC_CLKDivision = 0x00;
readWriteTiming.FSMC_DataLatency = 0x00;
readWriteTiming.FSMC_AccessMode = FSMC_AccessMode_B; //模式A
  */

  writeTiming.FSMC_AddressSetupTime =9;       //地址建立时间（ADDSET）为9个HCLK =54ns
  writeTiming.FSMC_AddressHoldTime = 0x00;    //地址保持时间（A
  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
/*
writeTiming.FSMC_AddressSetupTime =0x1;    //地址建立时间（ADDSET）为9个HCLK =54ns
writeTiming.FSMC_AddressHoldTime = 0x00;    //地址保持时间（A
writeTiming.FSMC_DataSetupTime = 0x2;    //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_B;    //模式A
  */

  FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1;//  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;  //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