有大神ILI9486有的初始化函数吗？我写的ID也读取不了，就一直白屏。大神帮我看下我的函数有没有问题
void LCD_Init(void)
{
vu32 i=0;
GPIO_InitTypeDef GPIO_InitStructure;
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef readWriteTiming;
FSMC_NORSRAMTimingInitTypeDef writeTiming;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB|RCC_AHB1Periph_GPIOD|RCC_AHB1Periph_GPIOE|RCC_AHB1Periph_GPIOF|RCC_AHB1Periph_GPIOG, 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_15;//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_UP;//上拉
GPIO_Init(GPIOB, &GPIO_InitStructure);//初始化 //PB15 推挽输出,控制背光
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_14|GPIO_Pin_15;//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;//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_2; //LCD_RST
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//推挽输出
GPIO_Init(GPIOG, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;//RD,WR
GPIO_Init(GPIOD, &GPIO_InitStructure);//初始化
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;//CS
GPIO_Init(GPIOG, &GPIO_InitStructure);//初始化
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;//RS
GPIO_Init(GPIOF, &GPIO_InitStructure);//初始化
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_PinSource4,GPIO_AF_FSMC);//WR
GPIO_PinAFConfig(GPIOD,GPIO_PinSource5,GPIO_AF_FSMC);//RD
GPIO_PinAFConfig(GPIOF,GPIO_PinSource12,GPIO_AF_FSMC);//RS
GPIO_PinAFConfig(GPIOG,GPIO_PinSource12,GPIO_AF_FSMC);//CS
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
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
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; //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_NORSRAM4, ENABLE); // 使能BANK1
delay_ms(50); // delay 50 ms
LCD_WriteReg(0x0000,0x0001);
delay_ms(50); // delay 50 ms
lcddev.id = LCD_ReadReg(0x0000);
//读取ID
LCD_WR_REG(0XD3);
lcddev.id=LCD_RD_DATA(); //dummy read
lcddev.id=LCD_RD_DATA(); //读到0X00
lcddev.id=LCD_RD_DATA(); //读取94
lcddev.id<<=8;
lcddev.id|=LCD_RD_DATA(); //读取86
LCD_WR_REG(0x11);
delay_ms(120);
LCD_WR_REG(0x13);
delay_ms(120);
LCD_WR_REG(0XF9);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x08);
LCD_WR_REG(0xC0);
LCD_WR_DATA(0x19);//VREG1OUT POSITIVE
LCD_WR_DATA(0x1a);//VREG2OUT NEGATIVE
LCD_WR_REG(0xC1);
LCD_WR_DATA(0x45);//VGH,VGL VGH>=14V.
LCD_WR_DATA(0x00);
LCD_WR_REG(0xC2);
LCD_WR_DATA(0x33);
LCD_WR_REG(0XC5);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x28);//VCM_REG[7:0]. <=0X80.
LCD_WR_REG(0xB1);
LCD_WR_DATA(0xB0);//0XB0 =70HZ, <=0XB0.
LCD_WR_DATA(0x11);
LCD_WR_REG(0xB4);
LCD_WR_DATA(0x02); //2
LCD_WR_REG(0xB6);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x42);//0 GS SS SM ISC[3:0];
LCD_WR_DATA(0x3B);
LCD_WR_REG(0xB7);
LCD_WR_DATA(0x07);
LCD_WR_REG(0xE0);
LCD_WR_DATA(0x1F);
LCD_WR_DATA(0x25);
LCD_WR_DATA(0x22);
LCD_WR_DATA(0x0B);
LCD_WR_DATA(0x06);
LCD_WR_DATA(0x0A);
LCD_WR_DATA(0x4E);
LCD_WR_DATA(0xC6);
LCD_WR_DATA(0x39);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x00);
LCD_WR_REG(0XE1);
LCD_WR_DATA(0x1F);
LCD_WR_DATA(0x3F);
LCD_WR_DATA(0x3F);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x1F);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x46);
LCD_WR_DATA(0x49);
LCD_WR_DATA(0x31);
LCD_WR_DATA(0x05);
LCD_WR_DATA(0x09);
LCD_WR_DATA(0x03);
LCD_WR_DATA(0x1C);
LCD_WR_DATA(0x1A);
LCD_WR_DATA(0x00);
LCD_WR_REG(0XF1);
LCD_WR_DATA(0x36);
LCD_WR_DATA(0x04);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x3C);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0x0F);
LCD_WR_DATA(0xA4);
LCD_WR_DATA(0x02);
LCD_WR_REG(0XF2);
LCD_WR_DATA(0x18);
LCD_WR_DATA(0xA3);
LCD_WR_DATA(0x12);
LCD_WR_DATA(0x02);
LCD_WR_DATA(0x32);
LCD_WR_DATA(0x12);
LCD_WR_DATA(0xFF);
LCD_WR_DATA(0x32);
LCD_WR_DATA(0x00);
LCD_WR_REG(0XF4);
LCD_WR_DATA(0x40);
LCD_WR_DATA(0x00);
LCD_WR_DATA(0x08);
LCD_WR_DATA(0x91);
LCD_WR_DATA(0x04);
LCD_WR_REG(0XF8);
LCD_WR_DATA(0x21);
LCD_WR_DATA(0x04);
LCD_WR_REG(0x36);
LCD_WR_DATA(0x48);
LCD_WR_REG(0x3A);
LCD_WR_DATA(0x55);
LCD_WR_REG(0x11);
delay_ms(120);
LCD_WR_REG(0x29);
LCD_WR_REG(0x002C); //?aê?D′êy?Y*/
LCD_Display_Dir(0); //默认为竖屏
LCD_LED=1; //点亮背光
LCD_Clear(RED);
} |
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