/**
* @brief Initializes the LCD.
* @param None
* @retval None
*/
void STM32072B_LCD_Init(void)
{
/* Configure the LCD Control pins ------------------------------------------*/
LCD_CtrlLinesConfig();
/* Configure the LCD_SPI interface -----------------------------------------*/
LCD_SPIConfig();
LCD_Setup();
LCD_SetFont(&LCD_DEFAULT_FONT);
}
/**
* @brief Setups the LCD.
* @param None
* @retval None
*/
void LCD_Setup(void)
{
/* Configure the LCD Control pins --------------------------------------------*/
LCD_CtrlLinesConfig();
/* Configure the LCD_SPI interface ----------------------------------------------*/
LCD_SPIConfig();
if(LCDType == LCD_ILI9320)
{
_delay_(5); /* Delay 50 ms */
/* Start Initial Sequence ------------------------------------------------*/
LCD_WriteReg(LCD_REG_229, 0x8000); /* Set the internal vcore voltage */
LCD_WriteReg(LCD_REG_0, 0x0001); /* Start internal OSC. */
LCD_WriteReg(LCD_REG_1, 0x0100); /* set SS and SM bit */
LCD_WriteReg(LCD_REG_2, 0x0700); /* set 1 line inversion */
LCD_WriteReg(LCD_REG_3, 0x1030); /* set GRAM write direction and BGR=1. */
LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */
LCD_WriteReg(LCD_REG_8, 0x0202); /* set the back porch and front porch */
LCD_WriteReg(LCD_REG_9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
/* Power On sequence -----------------------------------------------------*/
LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
/* Adjust the Gamma Curve ------------------------------------------------*/
LCD_WriteReg(LCD_REG_48, 0x0006);
LCD_WriteReg(LCD_REG_49, 0x0101);
LCD_WriteReg(LCD_REG_50, 0x0003);
LCD_WriteReg(LCD_REG_53, 0x0106);
LCD_WriteReg(LCD_REG_54, 0x0b02);
LCD_WriteReg(LCD_REG_55, 0x0302);
LCD_WriteReg(LCD_REG_56, 0x0707);
LCD_WriteReg(LCD_REG_57, 0x0007);
LCD_WriteReg(LCD_REG_60, 0x0600);
LCD_WriteReg(LCD_REG_61, 0x020b);
/* Set GRAM area ---------------------------------------------------------*/
LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(LCD_REG_96, 0x2700); /* Gate Scan Line */
LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
/* Partial Display Control -----------------------------------------------*/
LCD_WriteReg(LCD_REG_128, 0x0000);
LCD_WriteReg(LCD_REG_129, 0x0000);
LCD_WriteReg(LCD_REG_130, 0x0000);
LCD_WriteReg(LCD_REG_131, 0x0000);
LCD_WriteReg(LCD_REG_132, 0x0000);
LCD_WriteReg(LCD_REG_133, 0x0000);
/* Panel Control ---------------------------------------------------------*/
LCD_WriteReg(LCD_REG_144, 0x0010);
LCD_WriteReg(LCD_REG_146, 0x0000);
LCD_WriteReg(LCD_REG_147, 0x0003);
LCD_WriteReg(LCD_REG_149, 0x0110);
LCD_WriteReg(LCD_REG_151, 0x0000);
LCD_WriteReg(LCD_REG_152, 0x0000);
/* Set GRAM write direction and BGR = 1 */
/* I/D=01 (Horizontal : increment, Vertical : decrement) */
/* AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(LCD_REG_3, 0x1018);
LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
}
else if(LCDType == LCD_SPFD5408)
{
/* Start Initial Sequence --------------------------------------------------*/
LCD_WriteReg(LCD_REG_227, 0x3008); /* Set internal timing */
LCD_WriteReg(LCD_REG_231, 0x0012); /* Set internal timing */
LCD_WriteReg(LCD_REG_239, 0x1231); /* Set internal timing */
LCD_WriteReg(LCD_REG_1, 0x0100); /* Set SS and SM bit */
LCD_WriteReg(LCD_REG_2, 0x0700); /* Set 1 line inversion */
LCD_WriteReg(LCD_REG_3, 0x1030); /* Set GRAM write direction and BGR=1. */
LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */
LCD_WriteReg(LCD_REG_8, 0x0202); /* Set the back porch and front porch */
LCD_WriteReg(LCD_REG_9, 0x0000); /* Set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
/* Power On sequence -------------------------------------------------------*/
LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(LCD_REG_17, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_16, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_18, 0x01BD); /* External reference voltage= Vci */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_19, 0x1400); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(LCD_REG_41, 0x000E); /* VCM[4:0] for VCOMH */
_delay_(5); /* Delay 50 ms */
LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(LCD_REG_33, 0x013F); /* GRAM Vertical Address */
/* Adjust the Gamma Curve --------------------------------------------------*/
LCD_WriteReg(LCD_REG_48, 0x0007);
LCD_WriteReg(LCD_REG_49, 0x0302);
LCD_WriteReg(LCD_REG_50, 0x0105);
LCD_WriteReg(LCD_REG_53, 0x0206);
LCD_WriteReg(LCD_REG_54, 0x0808);
LCD_WriteReg(LCD_REG_55, 0x0206);
LCD_WriteReg(LCD_REG_56, 0x0504);
LCD_WriteReg(LCD_REG_57, 0x0007);
LCD_WriteReg(LCD_REG_60, 0x0105);
LCD_WriteReg(LCD_REG_61, 0x0808);
/* Set GRAM area -----------------------------------------------------------*/
LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(LCD_REG_96, 0xA700); /* Gate Scan Line */
LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(LCD_REG_106, 0x0000); /* Set scrolling line */
/* Partial Display Control -------------------------------------------------*/
LCD_WriteReg(LCD_REG_128, 0x0000);
LCD_WriteReg(LCD_REG_129, 0x0000);
LCD_WriteReg(LCD_REG_130, 0x0000);
LCD_WriteReg(LCD_REG_131, 0x0000);
LCD_WriteReg(LCD_REG_132, 0x0000);
LCD_WriteReg(LCD_REG_133, 0x0000);
/* Panel Control -----------------------------------------------------------*/
LCD_WriteReg(LCD_REG_144, 0x0010);
LCD_WriteReg(LCD_REG_146, 0x0000);
LCD_WriteReg(LCD_REG_147, 0x0003);
LCD_WriteReg(LCD_REG_149, 0x0110);
LCD_WriteReg(LCD_REG_151, 0x0000);
LCD_WriteReg(LCD_REG_152, 0x0000);
/* Set GRAM write direction and BGR = 1
I/D=01 (Horizontal : increment, Vertical : decrement)
AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(LCD_REG_3, 0x1018);
LCD_WriteReg(LCD_REG_7, 0x0112); /* 262K color and display ON */
}
else if(LCDType == LCD_HX8347D)
{
/* Driving ability setting */
LCD_WriteReg(LCD_REG_234, 0x00);
LCD_WriteReg(LCD_REG_235, 0x20);
LCD_WriteReg(LCD_REG_236, 0x0C);
LCD_WriteReg(LCD_REG_237, 0xC4);
LCD_WriteReg(LCD_REG_232, 0x40);
LCD_WriteReg(LCD_REG_233, 0x38);
LCD_WriteReg(LCD_REG_241, 0x01);
LCD_WriteReg(LCD_REG_242, 0x10);
LCD_WriteReg(LCD_REG_39, 0xA3);
/* Adjust the Gamma Curve */
LCD_WriteReg(LCD_REG_64, 0x01);
LCD_WriteReg(LCD_REG_65, 0x00);
LCD_WriteReg(LCD_REG_66, 0x00);
LCD_WriteReg(LCD_REG_67, 0x10);
LCD_WriteReg(LCD_REG_68, 0x0E);
LCD_WriteReg(LCD_REG_69, 0x24);
LCD_WriteReg(LCD_REG_70, 0x04);
LCD_WriteReg(LCD_REG_71, 0x50);
LCD_WriteReg(LCD_REG_72, 0x02);
LCD_WriteReg(LCD_REG_73, 0x13);
LCD_WriteReg(LCD_REG_74, 0x19);
LCD_WriteReg(LCD_REG_75, 0x19);
LCD_WriteReg(LCD_REG_76, 0x16);
LCD_WriteReg(LCD_REG_80, 0x1B);
LCD_WriteReg(LCD_REG_81, 0x31);
LCD_WriteReg(LCD_REG_82, 0x2F);
LCD_WriteReg(LCD_REG_83, 0x3F);
LCD_WriteReg(LCD_REG_84, 0x3F);
LCD_WriteReg(LCD_REG_85, 0x3E);
LCD_WriteReg(LCD_REG_86, 0x2F);
LCD_WriteReg(LCD_REG_87, 0x7B);
LCD_WriteReg(LCD_REG_88, 0x09);
LCD_WriteReg(LCD_REG_89, 0x06);
LCD_WriteReg(LCD_REG_90, 0x06);
LCD_WriteReg(LCD_REG_91, 0x0C);
LCD_WriteReg(LCD_REG_92, 0x1D);
LCD_WriteReg(LCD_REG_93, 0xCC);
/* Power voltage setting */
LCD_WriteReg(LCD_REG_27, 0x1B);
LCD_WriteReg(LCD_REG_26, 0x01);
LCD_WriteReg(LCD_REG_36, 0x2F);
LCD_WriteReg(LCD_REG_37, 0x57);
/*****VCOM offset ****/
LCD_WriteReg(LCD_REG_35, 0x86);
/* Power on setting up flow */
LCD_WriteReg(LCD_REG_24, 0x36); /* Display frame rate = 70Hz RADJ = '0110' */
LCD_WriteReg(LCD_REG_25, 0x01); /* OSC_EN = 1 */
LCD_WriteReg(LCD_REG_28, 0x06); /* AP[2:0] = 111 */
LCD_WriteReg(LCD_REG_29, 0x06); /* AP[2:0] = 111 */
LCD_WriteReg(LCD_REG_31,0x90); /* GAS=1, VOMG=00, PON=1, DK=0, XDK=0, DVDH_TRI=0, STB=0*/
LCD_WriteReg(LCD_REG_39, 1); /* REF = 1 */
_delay_(10);
/* 262k/65k color selection */
LCD_WriteReg(LCD_REG_23, 0x05); /* default 0x06 262k color, 0x05 65k color */
/* SET PANEL */
LCD_WriteReg(LCD_REG_54, 0x09); /* SS_PANEL = 1, GS_PANEL = 0,REV_PANEL = 0, BGR_PANEL = 1 */
/* Display ON flow */
LCD_WriteReg(LCD_REG_40, 0x38); /* GON=1, DTE=1, D=10 */
_delay_(60);
LCD_WriteReg(LCD_REG_40, 0x3C); /* GON=1, DTE=1, D=11 */
/* Set GRAM Area - Partial Display Control */
LCD_WriteReg(LCD_REG_1, 0x00); /* DP_STB = 0, DP_STB_S = 0, SCROLL = 0, */
LCD_WriteReg(LCD_REG_2, 0x00); /* Column address start 2 */
LCD_WriteReg(LCD_REG_3, 0x00); /* Column address start 1 */
LCD_WriteReg(LCD_REG_4, 0x01); /* Column address end 2 */
LCD_WriteReg(LCD_REG_5, 0x3F); /* Column address end 1 */
LCD_WriteReg(LCD_REG_6, 0x00); /* Row address start 2 */
LCD_WriteReg(LCD_REG_7, 0x00); /* Row address start 2 */
LCD_WriteReg(LCD_REG_8, 0x00); /* Row address end 2 */
LCD_WriteReg(LCD_REG_9, 0xEF); /* Row address end 1 */
LCD_WriteReg(LCD_REG_22, 0xE0); /* Memory access control: MY = 1, MX = 0, MV = 1, ML = 0 */
}
/* Set default font */
LCD_SetFont(&LCD_DEFAULT_FONT);
}
/*******************************************************************************
* Function Name : LCD_Setup
* Description : Setups the LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_Setup(void)
{
/* Configure the LCD Control pins --------------------------------------------*/
LCD_CtrlLinesConfig();
/* Configure the SPI3 interface ----------------------------------------------*/
LCD_SPIConfig();
timerDly(5); /* Delay 50 ms */
/* Start Initial Sequence ------------------------------------------------*/
LCD_WriteReg(R229, 0x8000); /* Set the internal vcore voltage */
LCD_WriteReg(R0, 0x0001); /* Start internal OSC. */
LCD_WriteReg(R1, 0x0100); /* set SS and SM bit */
LCD_WriteReg(R2, 0x0700); /* set 1 line inversion */
LCD_WriteReg(R3, 0x1030); /* set GRAM write direction and BGR=1. */
LCD_WriteReg(R4, 0x0000); /* Resize register */
LCD_WriteReg(R8, 0x0202); /* set the back porch and front porch */
LCD_WriteReg(R9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(R10, 0x0000); /* FMARK function */
LCD_WriteReg(R12, 0x0000); /* RGB interface setting */
LCD_WriteReg(R13, 0x0000); /* Frame marker Position */
LCD_WriteReg(R15, 0x0000); /* RGB interface polarity */
/* Power On sequence -----------------------------------------------------*/
LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
timerDly(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(R16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
timerDly(5); /* Delay 50 ms */
LCD_WriteReg(R18, 0x0139); /* VREG1OUT voltage */
timerDly(5); /* Delay 50 ms */
LCD_WriteReg(R19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(R41, 0x0013); /* VCM[4:0] for VCOMH */
timerDly(5); /* Delay 50 ms */
LCD_WriteReg(R32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(R33, 0x0000); /* GRAM Vertical Address */
/* Adjust the Gamma Curve ------------------------------------------------*/
LCD_WriteReg(R48, 0x0006);
LCD_WriteReg(R49, 0x0101);
LCD_WriteReg(R50, 0x0003);
LCD_WriteReg(R53, 0x0106);
LCD_WriteReg(R54, 0x0b02);
LCD_WriteReg(R55, 0x0302);
LCD_WriteReg(R56, 0x0707);
LCD_WriteReg(R57, 0x0007);
LCD_WriteReg(R60, 0x0600);
LCD_WriteReg(R61, 0x020b);
/* Set GRAM area ---------------------------------------------------------*/
LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(R81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(R83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(R96, 0x2700); /* Gate Scan Line */
LCD_WriteReg(R97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(R106, 0x0000); /* set scrolling line */
/* Partial Display Control -----------------------------------------------*/
LCD_WriteReg(R128, 0x0000);
LCD_WriteReg(R129, 0x0000);
LCD_WriteReg(R130, 0x0000);
LCD_WriteReg(R131, 0x0000);
LCD_WriteReg(R132, 0x0000);
LCD_WriteReg(R133, 0x0000);
/* Panel Control ---------------------------------------------------------*/
LCD_WriteReg(R144, 0x0010);
LCD_WriteReg(R146, 0x0000);
LCD_WriteReg(R147, 0x0003);
LCD_WriteReg(R149, 0x0110);
LCD_WriteReg(R151, 0x0000);
LCD_WriteReg(R152, 0x0000);
/* Set GRAM write direction and BGR = 1 */
/* I/D=01 (Horizontal : increment, Vertical : decrement) */
/* AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1018);
LCD_WriteReg(R7, 0x0173); /* 262K color and display ON */
}
/*******************************************************************************
* Function Name : LCD_Setup
* Description : Setups the LCD.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void LCD_Setup(void)
{
/* Configure the LCD Control pins --------------------------------------------*/
LCD_CtrlLinesConfig();
/* Configure the SPI2 interface ----------------------------------------------*/
LCD_SPIConfig();
if(LCDType == LCD_ILI9320)
{
Delay(5); /* Delay 50 ms */
/* Start Initial Sequence ------------------------------------------------*/
LCD_WriteReg(R229, 0x8000); /* Set the internal vcore voltage */
LCD_WriteReg(R0, 0x0001); /* Start internal OSC. */
LCD_WriteReg(R1, 0x0100); /* set SS and SM bit */
LCD_WriteReg(R2, 0x0700); /* set 1 line inversion */
LCD_WriteReg(R3, 0x1030); /* set GRAM write direction and BGR=1. */
LCD_WriteReg(R4, 0x0000); /* Resize register */
LCD_WriteReg(R8, 0x0202); /* set the back porch and front porch */
LCD_WriteReg(R9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(R10, 0x0000); /* FMARK function */
LCD_WriteReg(R12, 0x0000); /* RGB interface setting */
LCD_WriteReg(R13, 0x0000); /* Frame marker Position */
LCD_WriteReg(R15, 0x0000); /* RGB interface polarity */
/* Power On sequence -----------------------------------------------------*/
LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
Delay(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(R16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R18, 0x0139); /* VREG1OUT voltage */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(R41, 0x0013); /* VCM[4:0] for VCOMH */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(R33, 0x0000); /* GRAM Vertical Address */
/* Adjust the Gamma Curve ------------------------------------------------*/
LCD_WriteReg(R48, 0x0006);
LCD_WriteReg(R49, 0x0101);
LCD_WriteReg(R50, 0x0003);
LCD_WriteReg(R53, 0x0106);
LCD_WriteReg(R54, 0x0b02);
LCD_WriteReg(R55, 0x0302);
LCD_WriteReg(R56, 0x0707);
LCD_WriteReg(R57, 0x0007);
LCD_WriteReg(R60, 0x0600);
LCD_WriteReg(R61, 0x020b);
/* Set GRAM area ---------------------------------------------------------*/
LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(R81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(R83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(R96, 0x2700); /* Gate Scan Line */
LCD_WriteReg(R97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(R106, 0x0000); /* set scrolling line */
/* Partial Display Control -----------------------------------------------*/
LCD_WriteReg(R128, 0x0000);
LCD_WriteReg(R129, 0x0000);
LCD_WriteReg(R130, 0x0000);
LCD_WriteReg(R131, 0x0000);
LCD_WriteReg(R132, 0x0000);
LCD_WriteReg(R133, 0x0000);
/* Panel Control ---------------------------------------------------------*/
LCD_WriteReg(R144, 0x0010);
LCD_WriteReg(R146, 0x0000);
LCD_WriteReg(R147, 0x0003);
LCD_WriteReg(R149, 0x0110);
LCD_WriteReg(R151, 0x0000);
LCD_WriteReg(R152, 0x0000);
/* Set GRAM write direction and BGR = 1 */
/* I/D=01 (Horizontal : increment, Vertical : decrement) */
/* AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1018);
LCD_WriteReg(R7, 0x0173); /* 262K color and display ON */
}
else if(LCDType == LCD_SPFD5408)
{
/* Start Initial Sequence --------------------------------------------------*/
LCD_WriteReg(R227, 0x3008); /* Set internal timing */
LCD_WriteReg(R231, 0x0012); /* Set internal timing */
LCD_WriteReg(R239, 0x1231); /* Set internal timing */
LCD_WriteReg(R1, 0x0100); /* Set SS and SM bit */
LCD_WriteReg(R2, 0x0700); /* Set 1 line inversion */
LCD_WriteReg(R3, 0x1030); /* Set GRAM write direction and BGR=1. */
LCD_WriteReg(R4, 0x0000); /* Resize register */
LCD_WriteReg(R8, 0x0202); /* Set the back porch and front porch */
LCD_WriteReg(R9, 0x0000); /* Set non-display area refresh cycle ISC[3:0] */
LCD_WriteReg(R10, 0x0000); /* FMARK function */
LCD_WriteReg(R12, 0x0000); /* RGB interface setting */
LCD_WriteReg(R13, 0x0000); /* Frame marker Position */
LCD_WriteReg(R15, 0x0000); /* RGB interface polarity */
/* Power On sequence -------------------------------------------------------*/
LCD_WriteReg(R16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
LCD_WriteReg(R17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
LCD_WriteReg(R18, 0x0000); /* VREG1OUT voltage */
LCD_WriteReg(R19, 0x0000); /* VDV[4:0] for VCOM amplitude */
Delay(20); /* Dis-charge capacitor power voltage (200ms) */
LCD_WriteReg(R17, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R16, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R18, 0x01BD); /* External reference voltage= Vci */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R19, 0x1400); /* VDV[4:0] for VCOM amplitude */
LCD_WriteReg(R41, 0x000E); /* VCM[4:0] for VCOMH */
Delay(5); /* Delay 50 ms */
LCD_WriteReg(R32, 0x0000); /* GRAM horizontal Address */
LCD_WriteReg(R33, 0x013F); /* GRAM Vertical Address */
/* Adjust the Gamma Curve --------------------------------------------------*/
LCD_WriteReg(R48, 0x0007);
LCD_WriteReg(R49, 0x0302);
LCD_WriteReg(R50, 0x0105);
LCD_WriteReg(R53, 0x0206);
LCD_WriteReg(R54, 0x0808);
LCD_WriteReg(R55, 0x0206);
LCD_WriteReg(R56, 0x0504);
LCD_WriteReg(R57, 0x0007);
LCD_WriteReg(R60, 0x0105);
LCD_WriteReg(R61, 0x0808);
/* Set GRAM area -----------------------------------------------------------*/
LCD_WriteReg(R80, 0x0000); /* Horizontal GRAM Start Address */
LCD_WriteReg(R81, 0x00EF); /* Horizontal GRAM End Address */
LCD_WriteReg(R82, 0x0000); /* Vertical GRAM Start Address */
LCD_WriteReg(R83, 0x013F); /* Vertical GRAM End Address */
LCD_WriteReg(R96, 0xA700); /* Gate Scan Line */
LCD_WriteReg(R97, 0x0001); /* NDL,VLE, REV */
LCD_WriteReg(R106, 0x0000); /* Set scrolling line */
/* Partial Display Control -------------------------------------------------*/
LCD_WriteReg(R128, 0x0000);
LCD_WriteReg(R129, 0x0000);
LCD_WriteReg(R130, 0x0000);
LCD_WriteReg(R131, 0x0000);
LCD_WriteReg(R132, 0x0000);
LCD_WriteReg(R133, 0x0000);
/* Panel Control -----------------------------------------------------------*/
LCD_WriteReg(R144, 0x0010);
LCD_WriteReg(R146, 0x0000);
LCD_WriteReg(R147, 0x0003);
LCD_WriteReg(R149, 0x0110);
LCD_WriteReg(R151, 0x0000);
LCD_WriteReg(R152, 0x0000);
/* Set GRAM write direction and BGR = 1
I/D=01 (Horizontal : increment, Vertical : decrement)
AM=1 (address is updated in vertical writing direction) */
LCD_WriteReg(R3, 0x1018);
LCD_WriteReg(R7, 0x0112); /* 262K color and display ON */
}
else if(LCDType == LCD_HX8312)
{
/* Enable the LCD Oscillator ---------------------------------------------*/
LCD_WriteReg(R1, 0x10);
LCD_WriteReg(R0, 0xA0);
LCD_WriteReg(R3, 0x01);
Delay(1); /* Delay 10 ms */
LCD_WriteReg(R3, 0x00);
LCD_WriteReg(R43, 0x04);
LCD_WriteReg(R40, 0x18);
LCD_WriteReg(R26, 0x05);
LCD_WriteReg(R37, 0x05);
LCD_WriteReg(R25, 0x00);
/* LCD Power On ----------------------------------------------------------*/
LCD_WriteReg(R28, 0x73);
LCD_WriteReg(R36, 0x74);
LCD_WriteReg(R30, 0x01);
LCD_WriteReg(R24, 0xC1);
Delay(1); /* Delay 10 ms */
LCD_WriteReg(R24, 0xE1);
LCD_WriteReg(R24, 0xF1);
Delay(6); /* Delay 60 ms */
LCD_WriteReg(R24, 0xF5);
Delay(6); /* Delay 60 ms */
LCD_WriteReg(R27, 0x09);
Delay(1); /* Delay 10 ms */
LCD_WriteReg(R31, 0x11);
LCD_WriteReg(R32, 0x0E);
LCD_WriteReg(R30, 0x81);
Delay(1); /* Delay 10 ms */
/* Chip Set --------------------------------------------------------------*/
LCD_WriteReg(R157, 0x00);
LCD_WriteReg(R192, 0x00);
LCD_WriteReg(R14, 0x00);
LCD_WriteReg(R15, 0x00);
LCD_WriteReg(R16, 0x00);
LCD_WriteReg(R17, 0x00);
LCD_WriteReg(R18, 0x00);
LCD_WriteReg(R19, 0x00);
LCD_WriteReg(R20, 0x00);
LCD_WriteReg(R21, 0x00);
LCD_WriteReg(R22, 0x00);
LCD_WriteReg(R23, 0x00);
LCD_WriteReg(R52, 0x01);
LCD_WriteReg(R53, 0x00);
LCD_WriteReg(R75, 0x00);
LCD_WriteReg(R76, 0x00);
LCD_WriteReg(R78, 0x00);
LCD_WriteReg(R79, 0x00);
LCD_WriteReg(R80, 0x00);
LCD_WriteReg(R60, 0x00);
LCD_WriteReg(R61, 0x00);
LCD_WriteReg(R62, 0x01);
LCD_WriteReg(R63, 0x3F);
LCD_WriteReg(R64, 0x02);
LCD_WriteReg(R65, 0x02);
LCD_WriteReg(R66, 0x00);
LCD_WriteReg(R67, 0x00);
LCD_WriteReg(R68, 0x00);
LCD_WriteReg(R69, 0x00);
LCD_WriteReg(R70, 0xEF);
LCD_WriteReg(R71, 0x00);
LCD_WriteReg(R72, 0x00);
LCD_WriteReg(R73, 0x01);
LCD_WriteReg(R74, 0x3F);
LCD_WriteReg(R29, 0x08); /* R29:Gate scan direction setting */
LCD_WriteReg(R134, 0x00);
LCD_WriteReg(R135, 0x30);
LCD_WriteReg(R136, 0x02);
LCD_WriteReg(R137, 0x05);
LCD_WriteReg(R141, 0x01); /* R141:Register set-up mode for one line clock */
LCD_WriteReg(R139, 0x20); /* R139:One line SYSCLK number in one-line */
LCD_WriteReg(R51, 0x01); /* R51:N line inversion setting */
LCD_WriteReg(R55, 0x01); /* R55:Scanning method setting */
LCD_WriteReg(R118, 0x00);
/* Gamma Set -------------------------------------------------------------*/
LCD_WriteReg(R143, 0x10);
LCD_WriteReg(R144, 0x67);
LCD_WriteReg(R145, 0x07);
LCD_WriteReg(R146, 0x65);
LCD_WriteReg(R147, 0x07);
LCD_WriteReg(R148, 0x01);
LCD_WriteReg(R149, 0x76);
LCD_WriteReg(R150, 0x56);
LCD_WriteReg(R151, 0x00);
LCD_WriteReg(R152, 0x06);
LCD_WriteReg(R153, 0x03);
LCD_WriteReg(R154, 0x00);
/* Display On ------------------------------------------------------------*/
LCD_WriteReg(R1, 0x50);
LCD_WriteReg(R5, 0x04);
LCD_WriteReg(R0, 0x80);
LCD_WriteReg(R59, 0x01);
Delay(4); /* Delay 40 ms */
LCD_WriteReg(R0, 0x20);
}
}
LCDTFTConf::LCDTFTConf()
{
CurrentFrameBuffer = LCD_FRAME_BUFFER;
CurrentLayer = LCD_BACKGROUND_LAYER;
LTDC_InitTypeDef LTDC_InitStruct;
/* Configure the LCD Control pins ------------------------------------------*/
LCD_CtrlLinesConfig();
LCD_ChipSelect(DISABLE);
LCD_ChipSelect(ENABLE);
/* Configure the LCD_SPI interface -----------------------------------------*/
LCD_SPIConfig();
/* Power on the LCD --------------------------------------------------------*/
LCD_PowerOn();
/* Enable the LTDC Clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_LTDC, ENABLE);
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* Configure the LCD Control pins */
LCD_AF_GPIOConfig();
/* Configure the FMC Parallel interface : SDRAM is used as Frame Buffer for LCD */
SDRAM_Init();
/* LTDC Configuration *********************************************************/
/* Polarity configuration */
/* Initialize the horizontal synchronization polarity as active low */
LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;
/* Initialize the vertical synchronization polarity as active low */
LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;
/* Initialize the data enable polarity as active low */
LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LTDC_InitStruct.LTDC_PCPolarity = LTDC_PCPolarity_IPC;
/* Configure R,G,B component values for LCD background color */
LTDC_InitStruct.LTDC_BackgroundRedValue = 0;
LTDC_InitStruct.LTDC_BackgroundGreenValue = 0;
LTDC_InitStruct.LTDC_BackgroundBlueValue = 0;
/* Configure PLLSAI prescalers for LCD */
/* Enable Pixel Clock */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAI_N = 192 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAI_R = 192/4 = 48 Mhz */
/* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 48/8 = 6 Mhz */
RCC_PLLSAIConfig(192, 7, 4);
RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div8);
/* Enable PLLSAI Clock */
RCC_PLLSAICmd(ENABLE);
/* Wait for PLLSAI activation */
while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET);
/* Timing configuration */
/* Configure horizontal synchronization width */
LTDC_InitStruct.LTDC_HorizontalSync = 9;
/* Configure vertical synchronization height */
LTDC_InitStruct.LTDC_VerticalSync = 1;
/* Configure accumulated horizontal back porch */
LTDC_InitStruct.LTDC_AccumulatedHBP = 29;
/* Configure accumulated vertical back porch */
LTDC_InitStruct.LTDC_AccumulatedVBP = 3;
/* Configure accumulated active width */
LTDC_InitStruct.LTDC_AccumulatedActiveW = 269;
/* Configure accumulated active height */
LTDC_InitStruct.LTDC_AccumulatedActiveH = 323;
/* Configure total width */
LTDC_InitStruct.LTDC_TotalWidth = 279;
/* Configure total height */
LTDC_InitStruct.LTDC_TotalHeigh = 327;
LTDC_Init(<DC_InitStruct);
LCD_LayerInit();
/* LTDC reload configuration */
LTDC_ReloadConfig(LTDC_IMReload);
/* Enable the LTDC */
LTDC_Cmd(ENABLE);
}
static void LCD_Config(void)
{
LTDC_InitTypeDef LTDC_InitStruct;
LTDC_Layer_InitTypeDef LTDC_Layer_InitStruct;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
/* Configure NCS in Output Push-Pull mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* Configure the LCD Control pins ------------------------------------------*/
LCD_CtrlLinesConfig();
LCD_ChipSelect(DISABLE);
LCD_ChipSelect(ENABLE);
/* Configure the LCD_SPI interface -----------------------------------------*/
LCD_SPIConfig();
/* Power on the LCD --------------------------------------------------------*/
LCD_PowerOn();
/* Enable the LTDC Clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_LTDC, ENABLE);
/* Enable the DMA2D Clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
/* Configure the LCD Control pins */
LCD_AF_GPIOConfig();
/* Configure the FMC Parallel interface : SDRAM is used as Frame Buffer for LCD */
SDRAM_Init();
/* Enable Pixel Clock --------------------------------------------------------*/
/* Configure PLLSAI prescalers for LCD */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAI_N = 192 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAI_R = 192/3 = 64 Mhz */
/* LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 64/8 = 8 Mhz */
RCC_PLLSAIConfig(192, 7, 3);
RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div8);
/* Enable PLLSAI Clock */
RCC_PLLSAICmd(ENABLE);
/* Wait for PLLSAI activation */
while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET)
{
}
/* LTDC Initialization -------------------------------------------------------*/
/* Initialize the horizontal synchronization polarity as active low*/
LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;
/* Initialize the vertical synchronization polarity as active low */
LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;
/* Initialize the data enable polarity as active low */
LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;
/* Initialize the pixel clock polarity as input pixel clock */
LTDC_InitStruct.LTDC_PCPolarity = LTDC_PCPolarity_IPC;
/* Timing configuration */
/* Configure horizontal synchronization width */
LTDC_InitStruct.LTDC_HorizontalSync = 9;
/* Configure vertical synchronization height */
LTDC_InitStruct.LTDC_VerticalSync = 1;
/* Configure accumulated horizontal back porch */
LTDC_InitStruct.LTDC_AccumulatedHBP = 29;
/* Configure accumulated vertical back porch */
LTDC_InitStruct.LTDC_AccumulatedVBP = 3;
/* Configure accumulated active width */
LTDC_InitStruct.LTDC_AccumulatedActiveW = 269;
/* Configure accumulated active height */
LTDC_InitStruct.LTDC_AccumulatedActiveH = 323;
/* Configure total width */
LTDC_InitStruct.LTDC_TotalWidth = 279;
/* Configure total height */
LTDC_InitStruct.LTDC_TotalHeigh = 327;
LTDC_Init(<DC_InitStruct);
/* Configure R,G,B component values for LCD background color */
LTDC_InitStruct.LTDC_BackgroundRedValue = 0;
LTDC_InitStruct.LTDC_BackgroundGreenValue = 0;
LTDC_InitStruct.LTDC_BackgroundBlueValue = 0;
LTDC_Init(<DC_InitStruct);
/* LTDC initialization end ---------------------------------------------------*/
/* Layer1 Configuration ------------------------------------------------------*/
/* Windowing configuration */
/* In this case all the active display area is used to display a picture then :
Horizontal start = horizontal synchronization + Horizontal back porch = 30
Horizontal stop = Horizontal start + window width -1 = 30 + 240 -1
Vertical start = vertical synchronization + vertical back porch = 4
Vertical stop = Vertical start + window height -1 = 4 + 320 -1 */
LTDC_Layer_InitStruct.LTDC_HorizontalStart = 30;
LTDC_Layer_InitStruct.LTDC_HorizontalStop = (240 + 30 - 1);
LTDC_Layer_InitStruct.LTDC_VerticalStart = 4;
LTDC_Layer_InitStruct.LTDC_VerticalStop = (320 + 4 - 1);
/* Pixel Format configuration*/
LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_RGB565;
/* Alpha constant (255 totally opaque) */
LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255;
/* Configure blending factors */
LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_CA;
LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_CA;
/* Default Color configuration (configure A,R,G,B component values) */
LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorGreen = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorRed = 0;
LTDC_Layer_InitStruct.LTDC_DefaultColorAlpha = 0;
/* Input Address configuration */
LTDC_Layer_InitStruct.LTDC_CFBStartAdress = (uint32_t)&RGB565_240x320;
/* the length of one line of pixels in bytes + 3 then :
Line Lenth = Active high width x number of bytes per pixel + 3
Active high width = 240
number of bytes per pixel = 2 (pixel_format : RGB565)
*/
LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((240 * 2) + 3);
/* the pitch is the increment from the start of one line of pixels to the
start of the next line in bytes, then :
Pitch = Active high width x number of bytes per pixel
*/
LTDC_Layer_InitStruct.LTDC_CFBPitch = (240 * 2);
/* configure the number of lines */
LTDC_Layer_InitStruct.LTDC_CFBLineNumber = 320;
LTDC_LayerInit(LTDC_Layer1, <DC_Layer_InitStruct);
LTDC_DitherCmd(ENABLE);
}
