M0直接驱动OV7725,出现图像问题
时间：10-02
整理：3721RD
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用M0配置OV7725 ,然后sensor数据直接给TFT显示！图像只看到发光的物体，而且偏绿~~~弄了三天找不出原因，发上来请大家帮帮忙！
下面是OV7725配置
const char change_reg[CHANGE_REG_NUM][2]=
{
/*òÔÏÂÎaOV7725QVGA RGB5652Îêy*/
{0x32,0x00},
{0x2a,0x00},
{0x11,0x01},
{0x12,0x46},//QVGA RGB565
{0x12,0x46},
{0x42,0x7f},
{0x4d,0x00},//0x09
{0x63,0xf0},
{0x64,0xff},
{0x65,0x20},
{0x66,0x00},
{0x67,0x00},
{0x69,0x5d},
{0x13,0xff},
{0x0d,0x41},//PLL
{0x0f,0xc5},
{0x14,0x11},
{0x22,0xff},//7f
{0x23,0x03},
{0x24,0x34},
{0x25,0x3c},
{0x26,0xa1},
{0x2b,0x00},
{0x6b,0xaa},
{0x13,0xff},
{0x90,0x0a},//
{0x91,0x01},//
{0x92,0x01},//
{0x93,0x01},
{0x94,0x5f},
{0x95,0x53},
{0x96,0x11},
{0x97,0x1a},
{0x98,0x3d},
{0x99,0x5a},
{0x9a,0x1e},
{0x9b,0x28},//set luma
{0x9c,0x25},//set contrast
{0xa7,0x65},//set saturation
{0xa8,0x65},//set saturation
{0xa9,0x80},//set hue
{0xaa,0x80},//set hue
{0xab,0x06},//set luma
{0x9e,0x81},
{0xa6,0x06},
{0x7e,0x0c},
{0x7f,0x16},
{0x80,0x2a},
{0x81,0x4e},
{0x82,0x61},
{0x83,0x6f},
{0x84,0x7b},
{0x85,0x86},
{0x86,0x8e},
{0x87,0x97},
{0x88,0xa4},
{0x89,0xaf},
{0x8a,0xc5},
{0x8b,0xd7},
{0x8c,0xe8},
{0x8d,0x20},
{0x33,0x00},
{0x22,0x99},
{0x23,0x03},
{0x4a,0x00},
{0x49,0x13},
{0x47,0x08},
{0x4b,0x14},
{0x4c,0x17},
{0x46,0x05},
{0x0e,0x75},
{0x0c,0x50},
{0x00,0xf0},
{0x29,0x50},
{0x2C,0x78},
};
这是TFT的配置
void LCD_WR_DATA16(uint16_t data)//D′»y′æÆ÷êy¾Y
{
LCD_RD_H();
LCD_RS_H();
LCD_CS_L();
GPIOA->ODR=(GPIOA->ODR&0XFF00)| (uint8_t )(data>>8);
LCD_WR_L();
LCD_WR_H();
GPIOA->ODR=(GPIOA->ODR&0XFF00)|(uint8_t )data;
LCD_WR_L();
LCD_WR_H();
LCD_CS_H();
}
void LCD_WR_REG16(uint16_t index)//D′»y′æÆ÷Ãüáî
{
LCD_RD_H();
LCD_RS_L();
LCD_CS_L();
GPIOA->ODR=(GPIOA->ODR&0XFF00)| (uint8_t )(index>>8);
LCD_WR_L();
LCD_WR_H();
GPIOA->ODR=(GPIOA->ODR&0XFF00)|(uint8_t )index;
LCD_WR_L();
LCD_WR_H();
LCD_CS_H();
}
uint16_t LCD_RD_DATA16(void)//¶á»y′æÆ÷êy¾Y
{
uint16_t data;
LCD_WR_H();
LCD_RS_H();
LCD_GPIO_INPUT();
LCD_CS_L();
LCD_RD_L();
LCD_RD_H();
data=(0x00ff&DATA_LCD_PIN);
data=data<<8;
LCD_RD_L();
LCD_RD_H();
data|=(0x00ff&DATA_LCD_PIN);
LCD_CS_H();
LCD_GPIO_OUTPUT();
return data;
}
void LCD_WR_REG(uint16_t index,uint16_t data)
{
LCD_WR_REG16(index);
LCD_WR_DATA16(data);
}
void LCD_Init(void)
{
LCD_GPIO_OUTPUT();
LCD_Set_GPIO_Config();
// LCD_BL_L();
LCD_RST_H();
delay_ms(500);
CMOS_CS_H();
PCLK_ON_L();
LCD_RST_L();
delay_ms(1000);
LCD_RST_H();
// LCD_WR_REG(0x00E3,0x3008);
// LCD_WR_REG(0x00E7,0x0012);
// LCD_WR_REG(0x00Ef,0x1231); // Set the internal timing;
LCD_WR_REG(0x00E5,0x8000);
//initializing funciton 1
LCD_WR_REG(0x00,0x0001);
LCD_WR_REG(0x01, 0x0000); // set SS and SM bit
LCD_WR_REG(0x02, 0x0700); // set 1 line inversion
// LCD_WR_REG(0x03, 0x10B0); // set GRAM write direction and BGR=1.
#if ID_AM==000
LCD_WR_REG(0x0003,0x1000);//ÆáÄ»Dy×a¿ØÖÆ TFM=0,TRI=0,SWAP=1,16 bits system interface swap RGB to BRG￡¬′Ë′|ORGoíHWM Îa0
#elif ID_AM==001
LCD_WR_REG(0x0003,0x1008);
#elif ID_AM==010
LCD_WR_REG(0x0003,0x1010);
#elif ID_AM==011
LCD_WR_REG(0x0003,0x1018);
#elif ID_AM==100
LCD_WR_REG(0x0003,0x1020);
#elif ID_AM==101
LCD_WR_REG(0x0003,0x1028);
#elif ID_AM==110
LCD_WR_REG(0x0003,0x1030);
#elif ID_AM==111
LCD_WR_REG(0x0003,0x1038);
#endif
LCD_WR_REG(0x04, 0x0000); // Resize register
LCD_WR_REG(0x08, 0x0404); // set the back porch and front porch
LCD_WR_REG(0x09, 0x0000); // set non-display area refresh cycle ISC[3:0]
LCD_WR_REG(0x0A, 0x0000); // FMARK function
// LCD_WR_REG(0x0C, 0x0000); // RGB interface setting
// LCD_WR_REG(0x0D, 0x0000); // Frame marker Position
// LCD_WR_REG(0x0F, 0x0000); // RGB interface polarity
//Power On sequence //
LCD_WR_REG(0x10, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_WR_REG(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
LCD_WR_REG(0x12, 0x0000); // VREG1OUT voltage
LCD_WR_REG(0x13, 0x0000); // VDV[4:0] for VCOM amplitude
// LCD_WR_REG(0x07, 0x0001); //
delay_ms(1000); // Dis-charge capacitor power voltage
LCD_WR_REG(0x10, 0x17B0); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_WR_REG(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
delay_ms(1000); // Delay 50ms
LCD_WR_REG(0x12, 0x013a); // Internal reference voltage= Vci;
delay_ms(1000); // Delay 50ms
LCD_WR_REG(0x13, 0x1a00); // Set VDV[4:0] for VCOM amplitude
LCD_WR_REG(0x29, 0x000C); // Set VCM[5:0] for VCOMH
// LCD_WR_REG(0x2B, 0x000f); // Set Frame Rate
delay_ms(1000); // Delay 50ms
#if ID_AM==000
LCD_WR_REG(0x0020,0x00ef);//GRAMˮƽÆeê¼Î»ÖÃ
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==001
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==010
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==011
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==100
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==101
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==110
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==111
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#endif
// ----------- Adjust the Gamma Curve ----------//
LCD_WR_REG(0x0030,0x0000);
LCD_WR_REG(0x0031,0x0505);
LCD_WR_REG(0x0032,0x0004);
LCD_WR_REG(0x0035,0x0006);
LCD_WR_REG(0x0036,0x0707);
LCD_WR_REG(0x0037,0x0105);
LCD_WR_REG(0x0038,0x0002);
LCD_WR_REG(0x0039,0x0707);
LCD_WR_REG(0x003C,0x0704);
LCD_WR_REG(0x003D,0x0807);
//------------------ Set GRAM area ---------------//
LCD_WR_REG(0x0050, 0x0000); // Horizontal GRAM Start Address
LCD_WR_REG(0x0051, 0x00EF); // Horizontal GRAM End Address
LCD_WR_REG(0x0052, 0x0000); // Vertical GRAM Start Address
LCD_WR_REG(0x0053, 0x013F); // Vertical GRAM Start Address
LCD_WR_REG(0x0060, 0x2700); // Gate Scan Line
LCD_WR_REG(0x0061, 0x0001); // NDL,VLE, REV
LCD_WR_REG(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
LCD_WR_REG(0x80, 0x0000);
LCD_WR_REG(0x81, 0x0000);
LCD_WR_REG(0x82, 0x0000);
LCD_WR_REG(0x83, 0x0000);
LCD_WR_REG(0x84, 0x0000);
LCD_WR_REG(0x85, 0x0000);
//-------------- Panel Control -------------------//
LCD_WR_REG(0x90, 0x0010);
LCD_WR_REG(0x92, 0x0000);
LCD_WR_REG(0x93, 0x0003);
LCD_WR_REG(0x95, 0x0110);
LCD_WR_REG(0x97, 0x0000);
LCD_WR_REG(0x98, 0x0000);
LCD_WR_REG(0x07, 0x0173); // 262K color and display ON 0133
LCD_Clear(0x0000);
delay_ms(1000); // Delay 5ms
// LCD_Clear(0x001f);
// CMOS_CS_L();
// PCLK_ON_H();
}
下面是OV7725配置
const char change_reg[CHANGE_REG_NUM][2]=
{
/*òÔÏÂÎaOV7725QVGA RGB5652Îêy*/
{0x32,0x00},
{0x2a,0x00},
{0x11,0x01},
{0x12,0x46},//QVGA RGB565
{0x12,0x46},
{0x42,0x7f},
{0x4d,0x00},//0x09
{0x63,0xf0},
{0x64,0xff},
{0x65,0x20},
{0x66,0x00},
{0x67,0x00},
{0x69,0x5d},
{0x13,0xff},
{0x0d,0x41},//PLL
{0x0f,0xc5},
{0x14,0x11},
{0x22,0xff},//7f
{0x23,0x03},
{0x24,0x34},
{0x25,0x3c},
{0x26,0xa1},
{0x2b,0x00},
{0x6b,0xaa},
{0x13,0xff},
{0x90,0x0a},//
{0x91,0x01},//
{0x92,0x01},//
{0x93,0x01},
{0x94,0x5f},
{0x95,0x53},
{0x96,0x11},
{0x97,0x1a},
{0x98,0x3d},
{0x99,0x5a},
{0x9a,0x1e},
{0x9b,0x28},//set luma
{0x9c,0x25},//set contrast
{0xa7,0x65},//set saturation
{0xa8,0x65},//set saturation
{0xa9,0x80},//set hue
{0xaa,0x80},//set hue
{0xab,0x06},//set luma
{0x9e,0x81},
{0xa6,0x06},
{0x7e,0x0c},
{0x7f,0x16},
{0x80,0x2a},
{0x81,0x4e},
{0x82,0x61},
{0x83,0x6f},
{0x84,0x7b},
{0x85,0x86},
{0x86,0x8e},
{0x87,0x97},
{0x88,0xa4},
{0x89,0xaf},
{0x8a,0xc5},
{0x8b,0xd7},
{0x8c,0xe8},
{0x8d,0x20},
{0x33,0x00},
{0x22,0x99},
{0x23,0x03},
{0x4a,0x00},
{0x49,0x13},
{0x47,0x08},
{0x4b,0x14},
{0x4c,0x17},
{0x46,0x05},
{0x0e,0x75},
{0x0c,0x50},
{0x00,0xf0},
{0x29,0x50},
{0x2C,0x78},
};
这是TFT的配置
void LCD_WR_DATA16(uint16_t data)//D′»y′æÆ÷êy¾Y
{
LCD_RD_H();
LCD_RS_H();
LCD_CS_L();
GPIOA->ODR=(GPIOA->ODR&0XFF00)| (uint8_t )(data>>8);
LCD_WR_L();
LCD_WR_H();
GPIOA->ODR=(GPIOA->ODR&0XFF00)|(uint8_t )data;
LCD_WR_L();
LCD_WR_H();
LCD_CS_H();
}
void LCD_WR_REG16(uint16_t index)//D′»y′æÆ÷Ãüáî
{
LCD_RD_H();
LCD_RS_L();
LCD_CS_L();
GPIOA->ODR=(GPIOA->ODR&0XFF00)| (uint8_t )(index>>8);
LCD_WR_L();
LCD_WR_H();
GPIOA->ODR=(GPIOA->ODR&0XFF00)|(uint8_t )index;
LCD_WR_L();
LCD_WR_H();
LCD_CS_H();
}
uint16_t LCD_RD_DATA16(void)//¶á»y′æÆ÷êy¾Y
{
uint16_t data;
LCD_WR_H();
LCD_RS_H();
LCD_GPIO_INPUT();
LCD_CS_L();
LCD_RD_L();
LCD_RD_H();
data=(0x00ff&DATA_LCD_PIN);
data=data<<8;
LCD_RD_L();
LCD_RD_H();
data|=(0x00ff&DATA_LCD_PIN);
LCD_CS_H();
LCD_GPIO_OUTPUT();
return data;
}
void LCD_WR_REG(uint16_t index,uint16_t data)
{
LCD_WR_REG16(index);
LCD_WR_DATA16(data);
}
void LCD_Init(void)
{
LCD_GPIO_OUTPUT();
LCD_Set_GPIO_Config();
// LCD_BL_L();
LCD_RST_H();
delay_ms(500);
CMOS_CS_H();
PCLK_ON_L();
LCD_RST_L();
delay_ms(1000);
LCD_RST_H();
// LCD_WR_REG(0x00E3,0x3008);
// LCD_WR_REG(0x00E7,0x0012);
// LCD_WR_REG(0x00Ef,0x1231); // Set the internal timing;
LCD_WR_REG(0x00E5,0x8000);
//initializing funciton 1
LCD_WR_REG(0x00,0x0001);
LCD_WR_REG(0x01, 0x0000); // set SS and SM bit
LCD_WR_REG(0x02, 0x0700); // set 1 line inversion
// LCD_WR_REG(0x03, 0x10B0); // set GRAM write direction and BGR=1.
#if ID_AM==000
LCD_WR_REG(0x0003,0x1000);//ÆáÄ»Dy×a¿ØÖÆ TFM=0,TRI=0,SWAP=1,16 bits system interface swap RGB to BRG￡¬′Ë′|ORGoíHWM Îa0
#elif ID_AM==001
LCD_WR_REG(0x0003,0x1008);
#elif ID_AM==010
LCD_WR_REG(0x0003,0x1010);
#elif ID_AM==011
LCD_WR_REG(0x0003,0x1018);
#elif ID_AM==100
LCD_WR_REG(0x0003,0x1020);
#elif ID_AM==101
LCD_WR_REG(0x0003,0x1028);
#elif ID_AM==110
LCD_WR_REG(0x0003,0x1030);
#elif ID_AM==111
LCD_WR_REG(0x0003,0x1038);
#endif
LCD_WR_REG(0x04, 0x0000); // Resize register
LCD_WR_REG(0x08, 0x0404); // set the back porch and front porch
LCD_WR_REG(0x09, 0x0000); // set non-display area refresh cycle ISC[3:0]
LCD_WR_REG(0x0A, 0x0000); // FMARK function
// LCD_WR_REG(0x0C, 0x0000); // RGB interface setting
// LCD_WR_REG(0x0D, 0x0000); // Frame marker Position
// LCD_WR_REG(0x0F, 0x0000); // RGB interface polarity
//Power On sequence //
LCD_WR_REG(0x10, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_WR_REG(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
LCD_WR_REG(0x12, 0x0000); // VREG1OUT voltage
LCD_WR_REG(0x13, 0x0000); // VDV[4:0] for VCOM amplitude
// LCD_WR_REG(0x07, 0x0001); //
delay_ms(1000); // Dis-charge capacitor power voltage
LCD_WR_REG(0x10, 0x17B0); // SAP, BT[3:0], AP, DSTB, SLP, STB
LCD_WR_REG(0x11, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
delay_ms(1000); // Delay 50ms
LCD_WR_REG(0x12, 0x013a); // Internal reference voltage= Vci;
delay_ms(1000); // Delay 50ms
LCD_WR_REG(0x13, 0x1a00); // Set VDV[4:0] for VCOM amplitude
LCD_WR_REG(0x29, 0x000C); // Set VCM[5:0] for VCOMH
// LCD_WR_REG(0x2B, 0x000f); // Set Frame Rate
delay_ms(1000); // Delay 50ms
#if ID_AM==000
LCD_WR_REG(0x0020,0x00ef);//GRAMˮƽÆeê¼Î»ÖÃ
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==001
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==010
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==011
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==100
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==101
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==110
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==111
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#endif
// ----------- Adjust the Gamma Curve ----------//
LCD_WR_REG(0x0030,0x0000);
LCD_WR_REG(0x0031,0x0505);
LCD_WR_REG(0x0032,0x0004);
LCD_WR_REG(0x0035,0x0006);
LCD_WR_REG(0x0036,0x0707);
LCD_WR_REG(0x0037,0x0105);
LCD_WR_REG(0x0038,0x0002);
LCD_WR_REG(0x0039,0x0707);
LCD_WR_REG(0x003C,0x0704);
LCD_WR_REG(0x003D,0x0807);
//------------------ Set GRAM area ---------------//
LCD_WR_REG(0x0050, 0x0000); // Horizontal GRAM Start Address
LCD_WR_REG(0x0051, 0x00EF); // Horizontal GRAM End Address
LCD_WR_REG(0x0052, 0x0000); // Vertical GRAM Start Address
LCD_WR_REG(0x0053, 0x013F); // Vertical GRAM Start Address
LCD_WR_REG(0x0060, 0x2700); // Gate Scan Line
LCD_WR_REG(0x0061, 0x0001); // NDL,VLE, REV
LCD_WR_REG(0x006A, 0x0000); // set scrolling line
//-------------- Partial Display Control ---------//
LCD_WR_REG(0x80, 0x0000);
LCD_WR_REG(0x81, 0x0000);
LCD_WR_REG(0x82, 0x0000);
LCD_WR_REG(0x83, 0x0000);
LCD_WR_REG(0x84, 0x0000);
LCD_WR_REG(0x85, 0x0000);
//-------------- Panel Control -------------------//
LCD_WR_REG(0x90, 0x0010);
LCD_WR_REG(0x92, 0x0000);
LCD_WR_REG(0x93, 0x0003);
LCD_WR_REG(0x95, 0x0110);
LCD_WR_REG(0x97, 0x0000);
LCD_WR_REG(0x98, 0x0000);
LCD_WR_REG(0x07, 0x0173); // 262K color and display ON 0133
LCD_Clear(0x0000);
delay_ms(1000); // Delay 5ms
// LCD_Clear(0x001f);
// CMOS_CS_L();
// PCLK_ON_H();
}
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