现在正在用FSMC驱动ILI9341 2.8寸的液晶屏，但是一直白屏，也无法读取ID配置如下
PD7-FSMC_NE1--LCD_CS
PD11-FSMC_A16_LCD_RS
片子是100脚的VET6
还请大神指导下
void LCD_GPIO_Cfg( void )
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE, ENABLE);
//GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
//GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
//GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
//GPIO_Init(GPIOD, &GPIO_InitStructure);
// GPIO_SetBits(GPIOD, GPIO_Pin_12);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 |GPIO_Pin_4 | GPIO_Pin_5|
GPIO_Pin_9 | GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7|GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_SetBits(GPIOD, GPIO_Pin_7);////GPIO_SetBits
GPIO_ResetBits(GPIOB, GPIO_Pin_8);
GPIO_SetBits(GPIOD, GPIO_Pin_4);
GPIO_SetBits(GPIOD, GPIO_Pin_5);
}
//******************************************************************************
void LCD_FSMC_Cfg(void)
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef p;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
p.FSMC_AddressSetupTime = 0x02;//地址建立时间
p.FSMC_AddressHoldTime = 0x00;//地址保持时间
p.FSMC_DataSetupTime = 0x05;//数据建立时间
p.FSMC_BusTurnAroundDuration = 0x00;//总线反转时间
p.FSMC_CLKDivision = 0x00;//时钟分频
p.FSMC_DataLatency = 0x00;//数据保持时间
p.FSMC_AccessMode = FSMC_AccessMode_B;//访问模式
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1;//NOR/SRAM的存储块，4个选项
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;//都选择地址和数据复用数据线
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR;//连接到相应存储块的外部存储类型
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//存储器数据总线宽度
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;//使能或关闭同步NOR闪存存储器的突发访问模式
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;//设置WAIT信号的有效电平
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;//设置是否使用环回模式
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;//设置WAIT信号的有效时机
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;//设置能否写操作
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;//设置是否使用WAIT信号
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;//使能或关闭扩展功能
//FSMC_NORSRAMInitStructure.FSMC_AsyncWait = FSMC_AsyncWait_Disable;//设定是否使用异步等待信号
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;//设定是否使用迸发写模式
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p;//设定读写时序
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p;//
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE);
}
//*****************************LCD初始化*************************************
void Lcd_Init(void)
{
u32 i;
LCD_GPIO_Cfg();
LCD_FSMC_Cfg();
LCD_Reset();
Delay_375ms();
LCD_WR_REG(0XD3);
LCD_ID=LCD_RD_DATA();
LCD_ID=LCD_RD_DATA();
LCD_ID=LCD_RD_DATA();
LCD_ID<<=8;
LCD_ID|=LCD_RD_DATA();
printf(" LCD ID:%x
",LCD_ID);
LCD_WR_REG(0xCF);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0xC1);
LCD_WR_DATA(0X30);
LCD_WR_REG(0xED);
LCD_WR_DATA(0x64);
LCD_WR_DATA(0x03);
LCD_WR_DATA(0X12);
LCD_WR_DATA(0X81);
LCD_WR_REG(0xE8);
LCD_WR_DATA(0x85);
LCD_WR_DATA(0x10); //***
LCD_WR_DATA(0x7A); //***
LCD_WR_REG(0xCB);
LCD_WR_DATA(0x39);
LCD_WR_DATA(0x2C);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x34);
LCD_WR_DATA(0x02);
LCD_WR_REG(0xF7);
LCD_WR_DATA(0x20);
LCD_WR_REG(0xEA);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_REG(0xC0); //Power control
LCD_WR_DATA(0x1B); //VRH[5:0] ***
LCD_WR_REG(0xC1); //Power control
LCD_WR_DATA(0x01); //SAP[2:0];BT[3:0] ***
LCD_WR_REG(0xC5); //VCM control
LCD_WR_DATA(0x30); //3F ***
LCD_WR_DATA(0x30); //3C ***
LCD_WR_REG(0xC7); //VCM control2
LCD_WR_DATA(0XB7); //***
LCD_WR_REG(0x36); // Memory Access Control
LCD_WR_DATA(0x08); //***
LCD_WR_REG(0x3A);
LCD_WR_DATA(0x55);
LCD_WR_REG(0xB1);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x1A); //***
LCD_WR_REG(0xB6); // Display Function Control
LCD_WR_DATA(0x0A);
LCD_WR_DATA(0xA2);
LCD_WR_REG(0xF6); //****
LCD_WR_DATA(0x01); //***
LCD_WR_DATA(0x30); //***
LCD_WR_REG(0xF2); // 3Gamma Function Disable
LCD_WR_DATA(0x00);
LCD_WR_REG(0x26); //Gamma curve selected
LCD_WR_DATA(0x01); //***
LCD_WR_REG(0xE0); //Set Gamma
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x2A);
LCD_WR_DATA(0x28);
LCD_WR_DATA(0x08);
LCD_WR_DATA(0x0E);
LCD_WR_DATA(0x08);
LCD_WR_DATA(0x54);
LCD_WR_DATA(0XA9);
LCD_WR_DATA(0x43);
LCD_WR_DATA(0x0A);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_REG(0XE1); //Set Gamma
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x15);
LCD_WR_DATA(0x17);
LCD_WR_DATA(0x07);
LCD_WR_DATA(0x11);
LCD_WR_DATA(0x06);
LCD_WR_DATA(0x2B);
LCD_WR_DATA(0x56);
LCD_WR_DATA(0x3C);
LCD_WR_DATA(0x05);
LCD_WR_DATA(0x10);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x3F);
LCD_WR_DATA(0x3F);
LCD_WR_DATA(0x0F);
//----------------------------------------
/*LCD_WR_REG(0x2B);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x01);
LCD_WR_DATA(0x3f);
LCD_WR_REG(0x2A);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0xef); */
LCD_WR_REG(0x11); //Exit Sleep
Delay_375ms();
LCD_WR_REG(0x29); //Display on
// for(i=0;i<76800;i++)
// {
// LCD_WR_DATA(0x001F);
// }
LCD_Clear(BLACK);
}
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