使用的是F407ZGT 的FSMC调试B505时使用LCD_CLEAR（WHITE）时显示不正常，表现：1较少几率出现为黑白相间条 2.黑白相间的刷几行就没有了
而是用其他颜色均可正常显示，B505在ministm32上正常工作，现象很诡异，也可能很低级，相关代码如下，请帮忙看看
RS接A16 使用NE4
FSMC初始化：
LCD_EXT void LCD_GPIOInit(void)
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef p;
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIOs clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG|RCC_AHB1Periph_GPIOA|RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable FSMC clock */
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE);
/* GPIOD configuration */
GPIO_PinAFConfig(GPIOD, GPIO_PinSource0, GPIO_AF_FSMC);//FSMC_D2
GPIO_PinAFConfig(GPIOD, GPIO_PinSource1, GPIO_AF_FSMC);//FSMC_D3
GPIO_PinAFConfig(GPIOD, GPIO_PinSource4, GPIO_AF_FSMC);//FSMC_NOE
GPIO_PinAFConfig(GPIOD, GPIO_PinSource5, GPIO_AF_FSMC);//FSMC_NWE
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_PinSource11, GPIO_AF_FSMC);//FSMC_A16
GPIO_PinAFConfig(GPIOD, GPIO_PinSource14, GPIO_AF_FSMC);//FSMC_D0
GPIO_PinAFConfig(GPIOD, GPIO_PinSource15, GPIO_AF_FSMC);//FSMC_D1
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_11 |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);
/* GPIOE configuration */
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_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_Init(GPIOE, &GPIO_InitStructure);
/* LCD_CS Pin config as GPIOG_PIN_12 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_Init(GPIOG, &GPIO_InitStructure);
/* LCD_BL Pin config as GPIOA_PIN_0*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
}
/*******************************************************************************
* Function Name : LCD_FSMCConfig
* Description : Configures the Parallel interface (FSMC) for LCD(Parallel mode)
* Input : None
* Output : None
* Return : None
*******************************************************************************/
LCD_EXT void LCD_FSMCConfig(void)
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef p;
/*-- FSMC Configuration ------------------------------------------------------*/
/* FSMC_Bank1_NORSRAM4 timing configuration */
p.FSMC_AddressSetupTime =0;//1
p.FSMC_AddressHoldTime = 0;
p.FSMC_DataSetupTime =2;
p.FSMC_BusTurnAroundDuration = 0;//0
p.FSMC_CLKDivision = 0;
p.FSMC_DataLatency = 0;
p.FSMC_AccessMode = FSMC_AccessMode_B;//FSMC_AccessMode_B;
/* FSMC_Bank1_NORSRAM4 configured as follows:
- Data/Address MUX = Disable
- Memory Type = SRAM
- Data Width = 16bit
- Write Operation = Enable
- Extended Mode = Disable
- Asynchronous Wait = Disable */
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM;
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;//16bit
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p;
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p;
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);
/* Enable FSMC_Bank1_NORSRAM4 */
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);
}
=================================================
B505驱动 读写
LCD_EXT void LCD_Init(void)
{
LCD_WriteReg(0x0000,0x0000);
LCD_WriteReg(0x0000,0x0000);
LCD_WriteReg(0x0000,0x0000);
LCD_WriteReg(0x0000,0x0000);
LCD_WriteReg(0x00a4,0x0001);
delay(20);
LCD_WriteReg(0x0060,0x2700);
LCD_WriteReg(0x0008,0x0202);
LCD_WriteReg(0x0030,0x0214);
LCD_WriteReg(0x0031,0x3715);
LCD_WriteReg(0x0032,0x0604);
LCD_WriteReg(0x0033,0x0e16);
LCD_WriteReg(0x0034,0x2211);
LCD_WriteReg(0x0035,0x1500);
LCD_WriteReg(0x0036,0x8507);
LCD_WriteReg(0x0037,0x1407);
LCD_WriteReg(0x0038,0x1403);
LCD_WriteReg(0x0039,0x0020);
LCD_WriteReg(0x0090,0x001a);
LCD_WriteReg(0x0010,0x0000);
LCD_WriteReg(0x0011,0x0007);
LCD_WriteReg(0x0012,0x0000);
LCD_WriteReg(0x0013,0x0000);
delay(20);
LCD_WriteReg(0x0010,0x0730);
LCD_WriteReg(0x0011,0x0137);
delay(20);
LCD_WriteReg(0x0012,0x01b8);
delay(20);
LCD_WriteReg(0x0013,0x0f00);
LCD_WriteReg(0x002a,0x0080);
LCD_WriteReg(0x0029,0x0048);
delay(20);
LCD_WriteReg(0x0001,0x0100);
LCD_WriteReg(0x0002,0x0700);
LCD_WriteReg(0x0003,0x1230);
LCD_WriteReg(0x0008,0x0202);
LCD_WriteReg(0x000a,0x0000);
LCD_WriteReg(0x000c,0x0000);
LCD_WriteReg(0x000d,0x0000);
LCD_WriteReg(0x000e,0x0030);
LCD_WriteReg(0x0050,0x0000);
LCD_WriteReg(0x0051,0x00ef);
LCD_WriteReg(0x0052,0x0000);
LCD_WriteReg(0x0053,0x013f);
LCD_WriteReg(0x0060,0x2700);
LCD_WriteReg(0x0061,0x0001);
LCD_WriteReg(0x006a,0x0000);
//LCD_WriteReg(0x0080,0x0000);
//LCD_WriteReg(0x0081,0x0000);
LCD_WriteReg(0x0090,0X0011);
LCD_WriteReg(0x0092,0x0600);
LCD_WriteReg(0x0093,0x0402);
LCD_WriteReg(0x0094,0x0002);
delay(20);
LCD_WriteReg(0x0007,0x0001);
delay(20);
LCD_WriteReg(0x0007,0x0061);
LCD_WriteReg(0x0007,0x0173);
LCD_WriteReg(0x0020,0x0000);
LCD_WriteReg(0x0021,0x0000);
LCD_WriteReg(0x00,0x22);
}
=========================
LCD读写如下
LCD_EXT void LCD_WriteReg(u8 LCD_Reg, u16 LCD_RegValue)
{
*(volatile u16 *) (LCD_CMD)= LCD_Reg;
*(volatile u16 *) (LCD_DATA)= LCD_RegValue;
}
LCD_EXT void LCD_WriteData(u16 data)
{
*(volatile u16 *) (LCD_DATA)= data;
}
//读寄存器
LCD_EXT u16 LCD_ReadReg(u8 LCD_Reg)
{
*(volatile u16 *) (LCD_CMD)= LCD_Reg;;//写入要读的寄存器序号
delay(5);
return (*(volatile u16 *) (LCD_DATA));//返回读到的值
}
//开始写GRAM
LCD_EXT void LCD_WriteRAM_Prepare(void)
{
//LCD->LCD_REG = R34;
*(volatile u16 *) (LCD_CMD)= R34;
}
//LCD写GRAM
LCD_EXT void LCD_WriteRAM(u16 RGB_Code)
{
// LCD->LCD_RAM = RGB_Code;//写十六位GRAM
*(volatile u16 *) (LCD_DATA)= RGB_Code;
}
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( 粤ICP备12000418号-1 )
发表于 2012-5-30 14:04:50
发表于 2012-5-30 16:38:26
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