/**
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******************************************************************************
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* @file stm32100b_eval_lcd.c
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* @author MCD Application Team
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* @version V4.5.0
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* @date 07-March-2011
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* @brief This file includes the LCD driver for AM-240320LTNQW00H (LCD_HX8312),
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* AM-240320L8TNQW00H (LCD_ILI9320), AM-240320LDTNQW00H (LCD_SPFD5408B)
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* Liquid Crystal Display Module of STM32100B-EVAL board.
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******************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32100b_eval_lcd.h"
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#include "../Common/fonts.c"
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/** @addtogroup Utilities
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* @{
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*/
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/** @addtogroup STM32_EVAL
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* @{
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*/
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/** @addtogroup STM32100B_EVAL
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* @{
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*/
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/** @defgroup STM32100B_EVAL_LCD
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* @brief This file includes the LCD driver for AM-240320LTNQW00H (LCD_HX8312),
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* AM-240320L8TNQW00H (LCD_ILI9320), AM-240320LDTNQW00H (LCD_SPFD5408B)
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* Liquid Crystal Display Module of STM32100B-EVAL board.
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* @{
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Types
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Defines
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* @{
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*/
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#define LCD_ILI9320 0x9320
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#define LCD_HX8312 0x8312
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#define LCD_SPFD5408 0x5408
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#define START_BYTE 0x70
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#define SET_INDEX 0x00
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#define READ_STATUS 0x01
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#define LCD_WRITE_REG 0x02
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#define LCD_READ_REG 0x03
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#define MAX_POLY_CORNERS 200
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#define POLY_Y(Z) ((int32_t)((Points + Z)->X))
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#define POLY_X(Z) ((int32_t)((Points + Z)->Y))
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/**
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* @}
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Macros
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* @{
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*/
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#define ABS(X) ((X) > 0 ? (X) : -(X))
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/**
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* @}
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Variables
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* @{
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*/
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static sFONT *LCD_Currentfonts;
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/* Global variables to set the written text color */
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static __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF;
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static __IO uint32_t LCDType = LCD_ILI9320;
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/**
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* @}
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Function_Prototypes
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* @{
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*/
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#ifndef USE_Delay
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static void delay(vu32 nCount);
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#endif /* USE_Delay*/
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static void LCD_WriteRegHX8312(uint8_t LCD_Reg, uint8_t LCD_RegValue);
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static void LCD_WriteRegILI9320(uint8_t LCD_Reg, uint16_t LCD_RegValue);
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static void PutPixel(int16_t x, int16_t y);
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static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed);
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/**
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* @}
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*/
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/** @defgroup STM32100B_EVAL_LCD_Private_Functions
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* @{
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*/
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/**
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* @brief DeInitializes the LCD.
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* @param None
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* @retval None
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*/
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void LCD_DeInit(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/*!< LCD Display Off */
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LCD_DisplayOff();
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/*!< LCD_SPI disable */
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SPI_Cmd(LCD_SPI, DISABLE);
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/*!< LCD_SPI DeInit */
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SPI_I2S_DeInit(LCD_SPI);
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/*!< Disable SPI clock */
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RCC_APB1PeriphClockCmd(LCD_SPI_CLK, DISABLE);
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/* Configure NCS in Output Push-Pull mode */
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GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
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/* Configure NWR(RNW), RS in Output Push-Pull mode */
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GPIO_InitStructure.GPIO_Pin = LCD_RS_PIN;
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GPIO_Init(LCD_RS_GPIO_PORT, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = LCD_NWR_PIN;
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GPIO_Init(LCD_NWR_GPIO_PORT, &GPIO_InitStructure);
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/* Configure SPI pins: SCK, MISO and MOSI */
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GPIO_InitStructure.GPIO_Pin = LCD_SPI_SCK_PIN;
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GPIO_Init(LCD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = LCD_SPI_MISO_PIN;
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GPIO_Init(LCD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = LCD_SPI_MOSI_PIN;
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GPIO_Init(LCD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
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}
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/**
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* @brief Setups the LCD.
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* @param None
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* @retval None
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*/
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void LCD_Setup(void)
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{
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/* Configure the LCD Control pins --------------------------------------------*/
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LCD_CtrlLinesConfig();
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/* Configure the LCD_SPI interface ----------------------------------------------*/
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LCD_SPIConfig();
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if(LCDType == LCD_ILI9320)
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{
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_delay_(5); /* Delay 50 ms */
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/* Start Initial Sequence ------------------------------------------------*/
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LCD_WriteReg(LCD_REG_229, 0x8000); /* Set the internal vcore voltage */
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LCD_WriteReg(LCD_REG_0, 0x0001); /* Start internal OSC. */
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LCD_WriteReg(LCD_REG_1, 0x0100); /* set SS and SM bit */
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LCD_WriteReg(LCD_REG_2, 0x0700); /* set 1 line inversion */
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LCD_WriteReg(LCD_REG_3, 0x1030); /* set GRAM write direction and BGR=1. */
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LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */
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LCD_WriteReg(LCD_REG_8, 0x0202); /* set the back porch and front porch */
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LCD_WriteReg(LCD_REG_9, 0x0000); /* set non-display area refresh cycle ISC[3:0] */
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LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
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LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
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LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
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LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
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/* Power On sequence -----------------------------------------------------*/
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LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
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_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
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LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
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LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
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LCD_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
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/* Adjust the Gamma Curve ------------------------------------------------*/
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LCD_WriteReg(LCD_REG_48, 0x0006);
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LCD_WriteReg(LCD_REG_49, 0x0101);
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LCD_WriteReg(LCD_REG_50, 0x0003);
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LCD_WriteReg(LCD_REG_53, 0x0106);
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LCD_WriteReg(LCD_REG_54, 0x0b02);
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LCD_WriteReg(LCD_REG_55, 0x0302);
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LCD_WriteReg(LCD_REG_56, 0x0707);
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LCD_WriteReg(LCD_REG_57, 0x0007);
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LCD_WriteReg(LCD_REG_60, 0x0600);
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LCD_WriteReg(LCD_REG_61, 0x020b);
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/* Set GRAM area ---------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
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LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
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LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
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LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
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LCD_WriteReg(LCD_REG_96, 0x2700); /* Gate Scan Line */
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LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
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LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
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/* Partial Display Control -----------------------------------------------*/
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LCD_WriteReg(LCD_REG_128, 0x0000);
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LCD_WriteReg(LCD_REG_129, 0x0000);
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LCD_WriteReg(LCD_REG_130, 0x0000);
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LCD_WriteReg(LCD_REG_131, 0x0000);
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LCD_WriteReg(LCD_REG_132, 0x0000);
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LCD_WriteReg(LCD_REG_133, 0x0000);
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/* Panel Control ---------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_144, 0x0010);
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LCD_WriteReg(LCD_REG_146, 0x0000);
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LCD_WriteReg(LCD_REG_147, 0x0003);
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LCD_WriteReg(LCD_REG_149, 0x0110);
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LCD_WriteReg(LCD_REG_151, 0x0000);
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LCD_WriteReg(LCD_REG_152, 0x0000);
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/* Set GRAM write direction and BGR = 1 */
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/* I/D=01 (Horizontal : increment, Vertical : decrement) */
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/* AM=1 (address is updated in vertical writing direction) */
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LCD_WriteReg(LCD_REG_3, 0x1018);
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LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
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}
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else if(LCDType == LCD_SPFD5408)
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{
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/* Start Initial Sequence --------------------------------------------------*/
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LCD_WriteReg(LCD_REG_227, 0x3008); /* Set internal timing */
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LCD_WriteReg(LCD_REG_231, 0x0012); /* Set internal timing */
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LCD_WriteReg(LCD_REG_239, 0x1231); /* Set internal timing */
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LCD_WriteReg(LCD_REG_1, 0x0100); /* Set SS and SM bit */
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LCD_WriteReg(LCD_REG_2, 0x0700); /* Set 1 line inversion */
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LCD_WriteReg(LCD_REG_3, 0x1030); /* Set GRAM write direction and BGR=1. */
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LCD_WriteReg(LCD_REG_4, 0x0000); /* Resize register */
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LCD_WriteReg(LCD_REG_8, 0x0202); /* Set the back porch and front porch */
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LCD_WriteReg(LCD_REG_9, 0x0000); /* Set non-display area refresh cycle ISC[3:0] */
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LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
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LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
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LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
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LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
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/* Power On sequence -------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
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LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
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_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
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LCD_WriteReg(LCD_REG_17, 0x0007); /* DC1[2:0], DC0[2:0], VC[2:0] */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_16, 0x12B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_18, 0x01BD); /* External reference voltage= Vci */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_19, 0x1400); /* VDV[4:0] for VCOM amplitude */
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LCD_WriteReg(LCD_REG_41, 0x000E); /* VCM[4:0] for VCOMH */
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_delay_(5); /* Delay 50 ms */
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LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
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LCD_WriteReg(LCD_REG_33, 0x013F); /* GRAM Vertical Address */
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/* Adjust the Gamma Curve --------------------------------------------------*/
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LCD_WriteReg(LCD_REG_48, 0x0007);
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LCD_WriteReg(LCD_REG_49, 0x0302);
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LCD_WriteReg(LCD_REG_50, 0x0105);
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LCD_WriteReg(LCD_REG_53, 0x0206);
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LCD_WriteReg(LCD_REG_54, 0x0808);
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LCD_WriteReg(LCD_REG_55, 0x0206);
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LCD_WriteReg(LCD_REG_56, 0x0504);
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LCD_WriteReg(LCD_REG_57, 0x0007);
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LCD_WriteReg(LCD_REG_60, 0x0105);
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LCD_WriteReg(LCD_REG_61, 0x0808);
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/* Set GRAM area -----------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
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LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
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LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
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LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
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LCD_WriteReg(LCD_REG_96, 0xA700); /* Gate Scan Line */
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LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
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LCD_WriteReg(LCD_REG_106, 0x0000); /* Set scrolling line */
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/* Partial Display Control -------------------------------------------------*/
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LCD_WriteReg(LCD_REG_128, 0x0000);
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LCD_WriteReg(LCD_REG_129, 0x0000);
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LCD_WriteReg(LCD_REG_130, 0x0000);
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LCD_WriteReg(LCD_REG_131, 0x0000);
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LCD_WriteReg(LCD_REG_132, 0x0000);
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LCD_WriteReg(LCD_REG_133, 0x0000);
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/* Panel Control -----------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_144, 0x0010);
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LCD_WriteReg(LCD_REG_146, 0x0000);
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LCD_WriteReg(LCD_REG_147, 0x0003);
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LCD_WriteReg(LCD_REG_149, 0x0110);
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LCD_WriteReg(LCD_REG_151, 0x0000);
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LCD_WriteReg(LCD_REG_152, 0x0000);
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/* Set GRAM write direction and BGR = 1
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I/D=01 (Horizontal : increment, Vertical : decrement)
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AM=1 (address is updated in vertical writing direction) */
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LCD_WriteReg(LCD_REG_3, 0x1018);
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LCD_WriteReg(LCD_REG_7, 0x0112); /* 262K color and display ON */
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}
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else if(LCDType == LCD_HX8312)
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{
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/* Enable the LCD Oscillator ---------------------------------------------*/
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LCD_WriteReg(LCD_REG_1, 0x10);
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LCD_WriteReg(LCD_REG_0, 0xA0);
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LCD_WriteReg(LCD_REG_3, 0x01);
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_delay_(1); /* Delay 10 ms */
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LCD_WriteReg(LCD_REG_3, 0x00);
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LCD_WriteReg(LCD_REG_43, 0x04);
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LCD_WriteReg(LCD_REG_40, 0x18);
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LCD_WriteReg(LCD_REG_26, 0x05);
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LCD_WriteReg(LCD_REG_37, 0x05);
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LCD_WriteReg(LCD_REG_25, 0x00);
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/* LCD Power On ----------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_28, 0x73);
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LCD_WriteReg(LCD_REG_36, 0x74);
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LCD_WriteReg(LCD_REG_30, 0x01);
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LCD_WriteReg(LCD_REG_24, 0xC1);
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_delay_(1); /* Delay 10 ms */
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LCD_WriteReg(LCD_REG_24, 0xE1);
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LCD_WriteReg(LCD_REG_24, 0xF1);
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_delay_(6); /* Delay 60 ms */
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LCD_WriteReg(LCD_REG_24, 0xF5);
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_delay_(6); /* Delay 60 ms */
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LCD_WriteReg(LCD_REG_27, 0x09);
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_delay_(1); /* Delay 10 ms */
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LCD_WriteReg(LCD_REG_31, 0x11);
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LCD_WriteReg(LCD_REG_32, 0x0E);
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LCD_WriteReg(LCD_REG_30, 0x81);
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_delay_(1); /* Delay 10 ms */
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/* Chip Set --------------------------------------------------------------*/
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LCD_WriteReg(LCD_REG_157, 0x00);
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LCD_WriteReg(LCD_REG_192, 0x00);
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LCD_WriteReg(LCD_REG_14, 0x00);
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LCD_WriteReg(LCD_REG_15, 0x00);
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LCD_WriteReg(LCD_REG_16, 0x00);
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LCD_WriteReg(LCD_REG_17, 0x00);
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LCD_WriteReg(LCD_REG_18, 0x00);
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LCD_WriteReg(LCD_REG_19, 0x00);
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LCD_WriteReg(LCD_REG_20, 0x00);
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LCD_WriteReg(LCD_REG_21, 0x00);
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LCD_WriteReg(LCD_REG_22, 0x00);
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LCD_WriteReg(LCD_REG_23, 0x00);
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LCD_WriteReg(LCD_REG_52, 0x01);
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LCD_WriteReg(LCD_REG_53, 0x00);
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LCD_WriteReg(LCD_REG_75, 0x00);
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LCD_WriteReg(LCD_REG_76, 0x00);
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LCD_WriteReg(LCD_REG_78, 0x00);
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LCD_WriteReg(LCD_REG_79, 0x00);
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LCD_WriteReg(LCD_REG_80, 0x00);
|
|
LCD_WriteReg(LCD_REG_60, 0x00);
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LCD_WriteReg(LCD_REG_61, 0x00);
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LCD_WriteReg(LCD_REG_62, 0x01);
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LCD_WriteReg(LCD_REG_63, 0x3F);
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LCD_WriteReg(LCD_REG_64, 0x02);
|
LCD_WriteReg(LCD_REG_65, 0x02);
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LCD_WriteReg(LCD_REG_66, 0x00);
|
LCD_WriteReg(LCD_REG_67, 0x00);
|
LCD_WriteReg(LCD_REG_68, 0x00);
|
LCD_WriteReg(LCD_REG_69, 0x00);
|
LCD_WriteReg(LCD_REG_70, 0xEF);
|
LCD_WriteReg(LCD_REG_71, 0x00);
|
LCD_WriteReg(LCD_REG_72, 0x00);
|
LCD_WriteReg(LCD_REG_73, 0x01);
|
LCD_WriteReg(LCD_REG_74, 0x3F);
|
|
LCD_WriteReg(LCD_REG_29, 0x08); /* R29:Gate scan direction setting */
|
|
LCD_WriteReg(LCD_REG_134, 0x00);
|
LCD_WriteReg(LCD_REG_135, 0x30);
|
LCD_WriteReg(LCD_REG_136, 0x02);
|
LCD_WriteReg(LCD_REG_137, 0x05);
|
|
LCD_WriteReg(LCD_REG_141, 0x01); /* R141:Register set-up mode for one line clock */
|
LCD_WriteReg(LCD_REG_139, 0x20); /* R139:One line SYSCLK number in one-line */
|
LCD_WriteReg(LCD_REG_51, 0x01); /* R51:N line inversion setting */
|
LCD_WriteReg(LCD_REG_55, 0x01); /* R55:Scanning method setting */
|
LCD_WriteReg(LCD_REG_118, 0x00);
|
|
/* Gamma Set -------------------------------------------------------------*/
|
LCD_WriteReg(LCD_REG_143, 0x10);
|
LCD_WriteReg(LCD_REG_144, 0x67);
|
LCD_WriteReg(LCD_REG_145, 0x07);
|
LCD_WriteReg(LCD_REG_146, 0x65);
|
LCD_WriteReg(LCD_REG_147, 0x07);
|
LCD_WriteReg(LCD_REG_148, 0x01);
|
LCD_WriteReg(LCD_REG_149, 0x76);
|
LCD_WriteReg(LCD_REG_150, 0x56);
|
LCD_WriteReg(LCD_REG_151, 0x00);
|
LCD_WriteReg(LCD_REG_152, 0x06);
|
LCD_WriteReg(LCD_REG_153, 0x03);
|
LCD_WriteReg(LCD_REG_154, 0x00);
|
|
/* Display On ------------------------------------------------------------*/
|
LCD_WriteReg(LCD_REG_1, 0x50);
|
LCD_WriteReg(LCD_REG_5, 0x04);
|
LCD_WriteReg(LCD_REG_0, 0x80);
|
LCD_WriteReg(LCD_REG_59, 0x01);
|
_delay_(4); /* Delay 40 ms */
|
LCD_WriteReg(LCD_REG_0, 0x20);
|
}
|
}
|
|
|
/**
|
* @brief Initializes the LCD.
|
* @param None
|
* @retval None
|
*/
|
void STM32100B_LCD_Init(void)
|
{
|
/* Setups the LCD */
|
LCD_Setup();
|
/* Try to read new LCD controller ID 0x9320 */
|
if (LCD_ReadReg(LCD_REG_0) == LCD_ILI9320)
|
{
|
LCDType = LCD_ILI9320;
|
}
|
else
|
{
|
LCDType = LCD_SPFD5408;
|
/* Setups the LCD */
|
LCD_Setup();
|
/* Try to read new LCD controller ID 0x5408 */
|
if (LCD_ReadReg(LCD_REG_0) != LCD_SPFD5408)
|
{
|
LCDType = LCD_HX8312;
|
/* Setups the LCD */
|
LCD_Setup();
|
}
|
}
|
LCD_SetFont(&LCD_DEFAULT_FONT);
|
}
|
|
/**
|
* @brief Sets the LCD Text and Background colors.
|
* @param _TextColor: specifies the Text Color.
|
* @param _BackColor: specifies the Background Color.
|
* @retval None
|
*/
|
void LCD_SetColors(__IO uint16_t _TextColor, __IO uint16_t _BackColor)
|
{
|
TextColor = _TextColor;
|
BackColor = _BackColor;
|
}
|
|
/**
|
* @brief Gets the LCD Text and Background colors.
|
* @param _TextColor: pointer to the variable that will contain the Text
|
Color.
|
* @param _BackColor: pointer to the variable that will contain the Background
|
Color.
|
* @retval None
|
*/
|
void LCD_GetColors(__IO uint16_t *_TextColor, __IO uint16_t *_BackColor)
|
{
|
*_TextColor = TextColor; *_BackColor = BackColor;
|
}
|
|
/**
|
* @brief Sets the Text color.
|
* @param Color: specifies the Text color code RGB(5-6-5).
|
* @retval None
|
*/
|
void LCD_SetTextColor(__IO uint16_t Color)
|
{
|
TextColor = Color;
|
}
|
|
|
/**
|
* @brief Sets the Background color.
|
* @param Color: specifies the Background color code RGB(5-6-5).
|
* @retval None
|
*/
|
void LCD_SetBackColor(__IO uint16_t Color)
|
{
|
BackColor = Color;
|
}
|
|
/**
|
* @brief Sets the Text Font.
|
* @param fonts: specifies the font to be used.
|
* @retval None
|
*/
|
void LCD_SetFont(sFONT *fonts)
|
{
|
LCD_Currentfonts = fonts;
|
}
|
|
/**
|
* @brief Gets the Text Font.
|
* @param None.
|
* @retval the used font.
|
*/
|
sFONT *LCD_GetFont(void)
|
{
|
return LCD_Currentfonts;
|
}
|
|
/**
|
* @brief Clears the selected line.
|
* @param Line: the Line to be cleared.
|
* This parameter can be one of the following values:
|
* @arg Linex: where x can be 0..n
|
* @retval None
|
*/
|
void LCD_ClearLine(uint8_t Line)
|
{
|
uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
|
/* Send the string character by character on lCD */
|
while (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width)
|
{
|
/* Display one character on LCD */
|
LCD_DisplayChar(Line, refcolumn, ' ');
|
/* Decrement the column position by 16 */
|
refcolumn -= LCD_Currentfonts->Width;
|
}
|
}
|
|
|
/**
|
* @brief Clears the hole LCD.
|
* @param Color: the color of the background.
|
* @retval None
|
*/
|
void LCD_Clear(uint16_t Color)
|
{
|
uint32_t index = 0;
|
|
LCD_SetCursor(0x00, 0x013F);
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
}
|
for(index = 0; index < 76800; index++)
|
{
|
LCD_WriteRAM(Color);
|
}
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
}
|
|
|
/**
|
* @brief Sets the cursor position.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @retval None
|
*/
|
void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteReg(LCD_REG_32, Xpos);
|
LCD_WriteReg(LCD_REG_33, Ypos);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteReg(LCD_REG_66, Xpos);
|
LCD_WriteReg(LCD_REG_67, ((Ypos & 0x100)>> 8));
|
LCD_WriteReg(LCD_REG_68, (Ypos & 0xFF));
|
}
|
}
|
|
|
/**
|
* @brief Draws a character on LCD.
|
* @param Xpos: the Line where to display the character shape.
|
* @param Ypos: start column address.
|
* @param c: pointer to the character data.
|
* @retval None
|
*/
|
void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
|
{
|
uint32_t index = 0, i = 0;
|
uint8_t Xaddress = 0;
|
|
Xaddress = Xpos;
|
|
LCD_SetCursor(Xaddress, Ypos);
|
|
for(index = 0; index < LCD_Currentfonts->Height; index++)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
}
|
for(i = 0; i < LCD_Currentfonts->Width; i++)
|
{
|
if((((c[index] & ((0x80 << ((LCD_Currentfonts->Width / 12 ) * 8 ) ) >> i)) == 0x00) &&(LCD_Currentfonts->Width <= 12))||
|
(((c[index] & (0x1 << i)) == 0x00)&&(LCD_Currentfonts->Width > 12 )))
|
|
{
|
LCD_WriteRAM(BackColor);
|
}
|
else
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
}
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
Xaddress++;
|
LCD_SetCursor(Xaddress, Ypos);
|
}
|
}
|
|
|
/**
|
* @brief Displays one character (16dots width, 24dots height).
|
* @param Line: the Line where to display the character shape .
|
* This parameter can be one of the following values:
|
* @arg Linex: where x can be 0..9
|
* @param Column: start column address.
|
* @param Ascii: character ascii code, must be between 0x20 and 0x7E.
|
* @retval None
|
*/
|
void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii)
|
{
|
Ascii -= 32;
|
LCD_DrawChar(Line, Column, &LCD_Currentfonts->table[Ascii * LCD_Currentfonts->Height]);
|
}
|
|
|
/**
|
* @brief Displays a maximum of 20 char on the LCD.
|
* @param Line: the Line where to display the character shape .
|
* This parameter can be one of the following values:
|
* @arg Linex: where x can be 0..9
|
* @param *ptr: pointer to string to display on LCD.
|
* @retval None
|
*/
|
void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr)
|
{
|
uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
|
|
/* Send the string character by character on lCD */
|
while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width))
|
{
|
/* Display one character on LCD */
|
LCD_DisplayChar(Line, refcolumn, *ptr);
|
/* Decrement the column position by 16 */
|
refcolumn -= LCD_Currentfonts->Width;
|
/* Point on the next character */
|
ptr++;
|
}
|
}
|
|
|
/**
|
* @brief Sets a display window
|
* @param Xpos: specifies the X buttom left position.
|
* @param Ypos: specifies the Y buttom left position.
|
* @param Height: display window height.
|
* @param Width: display window width.
|
* @retval None
|
*/
|
void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* Horizontal GRAM Start Address */
|
if(Xpos >= Height)
|
{
|
LCD_WriteReg(LCD_REG_80, (Xpos - Height + 1));
|
}
|
else
|
{
|
LCD_WriteReg(LCD_REG_80, 0);
|
}
|
/* Horizontal GRAM End Address */
|
LCD_WriteReg(LCD_REG_81, Xpos);
|
/* Vertical GRAM Start Address */
|
if(Ypos >= Width)
|
{
|
LCD_WriteReg(LCD_REG_82, (Ypos - Width + 1));
|
}
|
else
|
{
|
LCD_WriteReg(LCD_REG_82, 0);
|
}
|
/* Vertical GRAM End Address */
|
LCD_WriteReg(LCD_REG_83, Ypos);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteReg(LCD_REG_1, 0xD0);
|
LCD_WriteReg(LCD_REG_5, 0x14);
|
|
LCD_WriteReg(LCD_REG_69, (Xpos - Height + 1));
|
LCD_WriteReg(LCD_REG_70, Xpos);
|
|
LCD_WriteReg(LCD_REG_71, (((Ypos - Width + 1) & 0x100)>> 8));
|
LCD_WriteReg(LCD_REG_72, ((Ypos - Width + 1) & 0xFF));
|
LCD_WriteReg(LCD_REG_73, ((Ypos & 0x100)>> 8));
|
LCD_WriteReg(LCD_REG_74, (Ypos & 0xFF));
|
}
|
LCD_SetCursor(Xpos, Ypos);
|
}
|
|
|
/**
|
* @brief Disables LCD Window mode.
|
* @param None
|
* @retval None
|
*/
|
void LCD_WindowModeDisable(void)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_SetDisplayWindow(239, 0x13F, 240, 320);
|
LCD_WriteReg(LCD_REG_3, 0x1018);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteReg(LCD_REG_1, 0x50);
|
LCD_WriteReg(LCD_REG_5, 0x04);
|
}
|
|
}
|
|
/**
|
* @brief Displays a line.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @param Length: line length.
|
* @param Direction: line direction.
|
* This parameter can be one of the following values: Vertical or Horizontal.
|
* @retval None
|
*/
|
void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction)
|
{
|
uint32_t i = 0;
|
|
LCD_SetCursor(Xpos, Ypos);
|
if(Direction == LCD_DIR_HORIZONTAL)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
}
|
for(i = 0; i < Length; i++)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
}
|
else
|
{
|
for(i = 0; i < Length; i++)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
Xpos++;
|
LCD_SetCursor(Xpos, Ypos);
|
}
|
}
|
}
|
|
|
/**
|
* @brief Displays a rectangle.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @param Height: display rectangle height.
|
* @param Width: display rectangle width.
|
* @retval None
|
*/
|
void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
|
{
|
LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
|
|
LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
|
LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
|
}
|
|
|
/**
|
* @brief Displays a circle.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @param Radius
|
* @retval None
|
*/
|
void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius)
|
{
|
int32_t D;/* Decision Variable */
|
uint32_t CurX;/* Current X Value */
|
uint32_t CurY;/* Current Y Value */
|
|
D = 3 - (Radius << 1);
|
CurX = 0;
|
CurY = Radius;
|
|
while (CurX <= CurY)
|
{
|
LCD_SetCursor(Xpos + CurX, Ypos + CurY);
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos + CurX, Ypos - CurY);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos - CurX, Ypos + CurY);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos - CurX, Ypos - CurY);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos + CurY, Ypos + CurX);
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos + CurY, Ypos - CurX);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos - CurY, Ypos + CurX);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
LCD_SetCursor(Xpos - CurY, Ypos - CurX);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAMWord(TextColor);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
if (D < 0)
|
{
|
D += (CurX << 2) + 6;
|
}
|
else
|
{
|
D += ((CurX - CurY) << 2) + 10;
|
CurY--;
|
}
|
CurX++;
|
}
|
}
|
|
|
/**
|
* @brief Displays a monocolor picture.
|
* @param Pict: pointer to the picture array.
|
* @retval None
|
*/
|
void LCD_DrawMonoPict(const uint32_t *Pict)
|
{
|
uint32_t index = 0, i = 0;
|
LCD_SetCursor(0, (LCD_PIXEL_WIDTH - 1));
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
}
|
|
for(index = 0; index < 2400; index++)
|
{
|
for(i = 0; i < 32; i++)
|
{
|
if((Pict[index] & (1 << i)) == 0x00)
|
{
|
LCD_WriteRAM(BackColor);
|
}
|
else
|
{
|
LCD_WriteRAM(TextColor);
|
}
|
}
|
}
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
}
|
|
#ifdef USE_LCD_DrawBMP
|
/**
|
* @brief Displays a bitmap picture loaded in the SPI Flash.
|
* @param BmpAddress: Bmp picture address in the SPI Flash.
|
* @retval None
|
*/
|
void LCD_DrawBMP(uint32_t BmpAddress)
|
{
|
uint32_t i = 0, size = 0;
|
/* Read bitmap size */
|
sFLASH_ReadBuffer((uint8_t*)&size, BmpAddress + 2, 4);
|
/* get bitmap data address offset */
|
sFLASH_ReadBuffer((uint8_t*)&i, BmpAddress + 10, 4);
|
|
size = (size - i)/2;
|
sFLASH_StartReadSequence(BmpAddress + i);
|
/* Disable LCD_SPI */
|
SPI_Cmd(LCD_SPI, DISABLE);
|
/* SPI in 16-bit mode */
|
SPI_DataSizeConfig(LCD_SPI, SPI_DataSize_16b);
|
/* Enable LCD_SPI */
|
SPI_Cmd(LCD_SPI, ENABLE);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* Set GRAM write direction and BGR = 1 */
|
/* I/D=00 (Horizontal : decrement, Vertical : decrement) */
|
/* AM=1 (address is updated in vertical writing direction) */
|
LCD_WriteReg(LCD_REG_3, 0x1008);
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
}
|
|
/* Read bitmap data from SPI Flash and send them to LCD */
|
for(i = 0; i < size; i++)
|
{
|
LCD_WriteRAM(__REV16(sFLASH_SendHalfWord(0xA5A5)));
|
}
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
|
/* Deselect the FLASH: Chip Select high */
|
sFLASH_CS_HIGH();
|
/* Disable LCD_SPI */
|
SPI_Cmd(LCD_SPI, DISABLE);
|
/* SPI in 8-bit mode */
|
SPI_DataSizeConfig(LCD_SPI, SPI_DataSize_8b);
|
/* Enable LCD_SPI */
|
SPI_Cmd(LCD_SPI, ENABLE);
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* 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);
|
}
|
}
|
#endif /* USE_LCD_DrawBMP */
|
|
/**
|
* @brief Displays a full rectangle.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @param Height: rectangle height.
|
* @param Width: rectangle width.
|
* @retval None
|
*/
|
void LCD_DrawFullRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
|
{
|
LCD_SetTextColor(TextColor);
|
|
LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
|
|
LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
|
LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
|
|
Width -= 2;
|
Height--;
|
Ypos--;
|
|
LCD_SetTextColor(BackColor);
|
|
while(Height--)
|
{
|
LCD_DrawLine(++Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
}
|
|
LCD_SetTextColor(TextColor);
|
}
|
|
/**
|
* @brief Displays a full circle.
|
* @param Xpos: specifies the X position.
|
* @param Ypos: specifies the Y position.
|
* @param Radius
|
* @retval None
|
*/
|
void LCD_DrawFullCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
|
{
|
int32_t D; /* Decision Variable */
|
uint32_t CurX;/* Current X Value */
|
uint32_t CurY;/* Current Y Value */
|
|
D = 3 - (Radius << 1);
|
|
CurX = 0;
|
CurY = Radius;
|
|
LCD_SetTextColor(BackColor);
|
|
while (CurX <= CurY)
|
{
|
if(CurY > 0)
|
{
|
LCD_DrawLine(Xpos - CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
|
LCD_DrawLine(Xpos + CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
|
}
|
|
if(CurX > 0)
|
{
|
LCD_DrawLine(Xpos - CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
|
LCD_DrawLine(Xpos + CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
|
}
|
if (D < 0)
|
{
|
D += (CurX << 2) + 6;
|
}
|
else
|
{
|
D += ((CurX - CurY) << 2) + 10;
|
CurY--;
|
}
|
CurX++;
|
}
|
|
LCD_SetTextColor(TextColor);
|
LCD_DrawCircle(Xpos, Ypos, Radius);
|
}
|
|
/**
|
* @brief Displays an uni line (between two points).
|
* @param x1: specifies the point 1 x position.
|
* @param y1: specifies the point 1 y position.
|
* @param x2: specifies the point 2 x position.
|
* @param y2: specifies the point 2 y position.
|
* @retval None
|
*/
|
void LCD_DrawUniLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
|
{
|
int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0,
|
yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0,
|
curpixel = 0;
|
|
deltax = ABS(x2 - x1); /* The difference between the x's */
|
deltay = ABS(y2 - y1); /* The difference between the y's */
|
x = x1; /* Start x off at the first pixel */
|
y = y1; /* Start y off at the first pixel */
|
|
if (x2 >= x1) /* The x-values are increasing */
|
{
|
xinc1 = 1;
|
xinc2 = 1;
|
}
|
else /* The x-values are decreasing */
|
{
|
xinc1 = -1;
|
xinc2 = -1;
|
}
|
|
if (y2 >= y1) /* The y-values are increasing */
|
{
|
yinc1 = 1;
|
yinc2 = 1;
|
}
|
else /* The y-values are decreasing */
|
{
|
yinc1 = -1;
|
yinc2 = -1;
|
}
|
|
if (deltax >= deltay) /* There is at least one x-value for every y-value */
|
{
|
xinc1 = 0; /* Don't change the x when numerator >= denominator */
|
yinc2 = 0; /* Don't change the y for every iteration */
|
den = deltax;
|
num = deltax / 2;
|
numadd = deltay;
|
numpixels = deltax; /* There are more x-values than y-values */
|
}
|
else /* There is at least one y-value for every x-value */
|
{
|
xinc2 = 0; /* Don't change the x for every iteration */
|
yinc1 = 0; /* Don't change the y when numerator >= denominator */
|
den = deltay;
|
num = deltay / 2;
|
numadd = deltax;
|
numpixels = deltay; /* There are more y-values than x-values */
|
}
|
|
for (curpixel = 0; curpixel <= numpixels; curpixel++)
|
{
|
PutPixel(x, y); /* Draw the current pixel */
|
num += numadd; /* Increase the numerator by the top of the fraction */
|
if (num >= den) /* Check if numerator >= denominator */
|
{
|
num -= den; /* Calculate the new numerator value */
|
x += xinc1; /* Change the x as appropriate */
|
y += yinc1; /* Change the y as appropriate */
|
}
|
x += xinc2; /* Change the x as appropriate */
|
y += yinc2; /* Change the y as appropriate */
|
}
|
}
|
|
/**
|
* @brief Displays an polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @retval None
|
*/
|
void LCD_PolyLine(pPoint Points, uint16_t PointCount)
|
{
|
int16_t X = 0, Y = 0;
|
|
if(PointCount < 2)
|
{
|
return;
|
}
|
|
while(--PointCount)
|
{
|
X = Points->X;
|
Y = Points->Y;
|
Points++;
|
LCD_DrawUniLine(X, Y, Points->X, Points->Y);
|
}
|
}
|
|
/**
|
* @brief Displays an relative polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @param Closed: specifies if the draw is closed or not.
|
* 1: closed, 0 : not closed.
|
* @retval None
|
*/
|
static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed)
|
{
|
int16_t X = 0, Y = 0;
|
pPoint First = Points;
|
|
if(PointCount < 2)
|
{
|
return;
|
}
|
X = Points->X;
|
Y = Points->Y;
|
while(--PointCount)
|
{
|
Points++;
|
LCD_DrawUniLine(X, Y, X + Points->X, Y + Points->Y);
|
X = X + Points->X;
|
Y = Y + Points->Y;
|
}
|
if(Closed)
|
{
|
LCD_DrawUniLine(First->X, First->Y, X, Y);
|
}
|
}
|
|
/**
|
* @brief Displays a closed polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @retval None
|
*/
|
void LCD_ClosedPolyLine(pPoint Points, uint16_t PointCount)
|
{
|
LCD_PolyLine(Points, PointCount);
|
LCD_DrawUniLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y);
|
}
|
|
/**
|
* @brief Displays a relative polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @retval None
|
*/
|
void LCD_PolyLineRelative(pPoint Points, uint16_t PointCount)
|
{
|
LCD_PolyLineRelativeClosed(Points, PointCount, 0);
|
}
|
|
/**
|
* @brief Displays a closed relative polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @retval None
|
*/
|
void LCD_ClosedPolyLineRelative(pPoint Points, uint16_t PointCount)
|
{
|
LCD_PolyLineRelativeClosed(Points, PointCount, 1);
|
}
|
|
|
/**
|
* @brief Displays a full polyline (between many points).
|
* @param Points: pointer to the points array.
|
* @param PointCount: Number of points.
|
* @retval None
|
*/
|
void LCD_FillPolyLine(pPoint Points, uint16_t PointCount)
|
{
|
/* public-domain code by Darel Rex Finley, 2007 */
|
uint16_t nodes = 0, nodeX[MAX_POLY_CORNERS], pixelX = 0, pixelY = 0, i = 0,
|
j = 0, swap = 0;
|
uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0;
|
|
IMAGE_LEFT = IMAGE_RIGHT = Points->X;
|
IMAGE_TOP= IMAGE_BOTTOM = Points->Y;
|
|
for(i = 1; i < PointCount; i++)
|
{
|
pixelX = POLY_X(i);
|
if(pixelX < IMAGE_LEFT)
|
{
|
IMAGE_LEFT = pixelX;
|
}
|
if(pixelX > IMAGE_RIGHT)
|
{
|
IMAGE_RIGHT = pixelX;
|
}
|
|
pixelY = POLY_Y(i);
|
if(pixelY < IMAGE_TOP)
|
{
|
IMAGE_TOP = pixelY;
|
}
|
if(pixelY > IMAGE_BOTTOM)
|
{
|
IMAGE_BOTTOM = pixelY;
|
}
|
}
|
|
LCD_SetTextColor(BackColor);
|
|
/* Loop through the rows of the image. */
|
for (pixelY = IMAGE_TOP; pixelY < IMAGE_BOTTOM; pixelY++)
|
{
|
/* Build a list of nodes. */
|
nodes = 0; j = PointCount-1;
|
|
for (i = 0; i < PointCount; i++)
|
{
|
if (POLY_Y(i)<(double) pixelY && POLY_Y(j)>=(double) pixelY || POLY_Y(j)<(double) pixelY && POLY_Y(i)>=(double) pixelY)
|
{
|
nodeX[nodes++]=(int) (POLY_X(i)+((pixelY-POLY_Y(i))*(POLY_X(j)-POLY_X(i)))/(POLY_Y(j)-POLY_Y(i)));
|
}
|
j = i;
|
}
|
|
/* Sort the nodes, via a simple "Bubble" sort. */
|
i = 0;
|
while (i < nodes-1)
|
{
|
if (nodeX[i]>nodeX[i+1])
|
{
|
swap = nodeX[i];
|
nodeX[i] = nodeX[i+1];
|
nodeX[i+1] = swap;
|
if(i)
|
{
|
i--;
|
}
|
}
|
else
|
{
|
i++;
|
}
|
}
|
|
/* Fill the pixels between node pairs. */
|
for (i = 0; i < nodes; i+=2)
|
{
|
if(nodeX[i] >= IMAGE_RIGHT)
|
{
|
break;
|
}
|
if(nodeX[i+1] > IMAGE_LEFT)
|
{
|
if (nodeX[i] < IMAGE_LEFT)
|
{
|
nodeX[i]=IMAGE_LEFT;
|
}
|
if(nodeX[i+1] > IMAGE_RIGHT)
|
{
|
nodeX[i+1] = IMAGE_RIGHT;
|
}
|
LCD_SetTextColor(BackColor);
|
LCD_DrawLine(pixelY, nodeX[i+1], nodeX[i+1] - nodeX[i], LCD_DIR_HORIZONTAL);
|
LCD_SetTextColor(TextColor);
|
PutPixel(pixelY, nodeX[i+1]);
|
PutPixel(pixelY, nodeX[i]);
|
/* for (j=nodeX[i]; j<nodeX[i+1]; j++) PutPixel(j,pixelY); */
|
}
|
}
|
}
|
|
/* draw the edges */
|
LCD_SetTextColor(TextColor);
|
}
|
|
/**
|
* @brief Reset LCD control line(/CS) and Send Start-Byte
|
* @param Start_Byte: the Start-Byte to be sent
|
* @retval None
|
*/
|
void LCD_nCS_StartByte(uint8_t Start_Byte)
|
{
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET);
|
|
SPI_I2S_SendData(LCD_SPI, Start_Byte);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
}
|
|
|
/**
|
* @brief Writes index to select the LCD register.
|
* @param LCD_Reg: address of the selected register.
|
* @retval None
|
*/
|
void LCD_WriteRegIndex(uint8_t LCD_Reg)
|
{
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
LCD_nCS_StartByte(START_BYTE | SET_INDEX);
|
|
/* Write 16-bit Reg Index (High Byte is 0) */
|
SPI_I2S_SendData(LCD_SPI, 0x00);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
SPI_I2S_SendData(LCD_SPI, LCD_Reg);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
|
|
/**
|
* @brief Writes to the selected LCD ILI9320 register.
|
* @param LCD_Reg: address of the selected register.
|
* @param LCD_RegValue: value to write to the selected register.
|
* @retval None
|
*/
|
static void LCD_WriteRegILI9320(uint8_t LCD_Reg, uint16_t LCD_RegValue)
|
{
|
/* Write 16-bit Index (then Write Reg) */
|
LCD_WriteRegIndex(LCD_Reg);
|
|
/* Write 16-bit Reg */
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
|
|
SPI_I2S_SendData(LCD_SPI, LCD_RegValue>>8);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
SPI_I2S_SendData(LCD_SPI, (LCD_RegValue & 0xFF));
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
|
|
/**
|
* @brief Reads the selected LCD Register.
|
* @param LCD_Reg: address of the selected register.
|
* @retval LCD Register Value.
|
*/
|
uint16_t LCD_ReadReg(uint8_t LCD_Reg)
|
{
|
uint16_t tmp = 0;
|
uint8_t i = 0;
|
|
/* LCD_SPI prescaler: 4 */
|
LCD_SPI->CR1 &= 0xFFC7;
|
LCD_SPI->CR1 |= 0x0008;
|
/* Write 16-bit Index (then Read Reg) */
|
LCD_WriteRegIndex(LCD_Reg);
|
/* Read 16-bit Reg */
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
LCD_nCS_StartByte(START_BYTE | LCD_READ_REG);
|
|
for(i = 0; i < 5; i++)
|
{
|
SPI_I2S_SendData(LCD_SPI, 0xFF);
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
/* One byte of invalid dummy data read after the start byte */
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
|
{
|
}
|
SPI_I2S_ReceiveData(LCD_SPI);
|
}
|
|
SPI_I2S_SendData(LCD_SPI, 0xFF);
|
|
/* Read upper byte */
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
/* Read lower byte */
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
|
{
|
}
|
tmp = SPI_I2S_ReceiveData(LCD_SPI);
|
|
|
SPI_I2S_SendData(LCD_SPI, 0xFF);
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
/* Read lower byte */
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_RXNE) == RESET)
|
{
|
}
|
|
tmp = ((tmp & 0xFF) << 8) | SPI_I2S_ReceiveData(LCD_SPI);
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
|
/* LCD_SPI prescaler: 2 */
|
LCD_SPI->CR1 &= 0xFFC7;
|
|
return tmp;
|
}
|
|
|
/**
|
* @brief Prepare to write to the LCD RAM.
|
* @param None
|
* @retval None
|
*/
|
void LCD_WriteRAM_Prepare(void)
|
{
|
LCD_WriteRegIndex(LCD_REG_34); /* Select GRAM Reg */
|
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
|
}
|
|
|
/**
|
* @brief Writes 1 word to the LCD RAM.
|
* @param RGB_Code: the pixel color in RGB mode (5-6-5).
|
* @retval None
|
*/
|
void LCD_WriteRAMWord(uint16_t RGB_Code)
|
{
|
|
LCD_WriteRAM_Prepare();
|
|
LCD_WriteRAM(RGB_Code);
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
|
|
/**
|
* @brief Writes to the selected LCD HX8312 register.
|
* @param LCD_Reg: address of the selected register.
|
* @param LCD_RegValue: value to write to the selected register.
|
* @retval None
|
*/
|
static void LCD_WriteRegHX8312(uint8_t LCD_Reg, uint8_t LCD_RegValue)
|
{
|
uint16_t tmp = 0;
|
|
LCD_CtrlLinesWrite(LCD_NWR_GPIO_PORT, LCD_NWR_PIN, Bit_RESET);
|
LCD_CtrlLinesWrite(LCD_RS_GPIO_PORT, LCD_RS_PIN, Bit_RESET);
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET);
|
|
tmp = LCD_Reg << 8;
|
tmp |= LCD_RegValue;
|
|
SPI_I2S_SendData(LCD_SPI, tmp);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
|
|
/**
|
* @brief Writes to the selected LCD register.
|
* @param LCD_Reg: address of the selected register.
|
* @param LCD_RegValue: value to write to the selected register.
|
* @retval None
|
*/
|
void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
LCD_WriteRegILI9320(LCD_Reg, LCD_RegValue);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteRegHX8312(LCD_Reg, ((uint8_t)LCD_RegValue));
|
}
|
}
|
|
|
/**
|
* @brief Writes to the LCD RAM.
|
* @param RGB_Code: the pixel color in RGB mode (5-6-5).
|
* @retval None
|
*/
|
void LCD_WriteRAM(uint16_t RGB_Code)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
SPI_I2S_SendData(LCD_SPI, RGB_Code >> 8);
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
SPI_I2S_SendData(LCD_SPI, RGB_Code & 0xFF);
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
}
|
|
if(LCDType == LCD_HX8312)
|
{
|
LCD_CtrlLinesWrite(LCD_NWR_GPIO_PORT, LCD_NWR_PIN, Bit_RESET);
|
LCD_CtrlLinesWrite(LCD_RS_GPIO_PORT, LCD_RS_PIN, Bit_SET);
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET);
|
SPI_I2S_SendData(LCD_SPI, RGB_Code);
|
|
while(SPI_I2S_GetFlagStatus(LCD_SPI, SPI_I2S_FLAG_BSY) != RESET)
|
{
|
}
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
}
|
}
|
|
|
/**
|
* @brief Power on the LCD.
|
* @param None
|
* @retval None
|
*/
|
void LCD_PowerOn(void)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* 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_7, 0x0173); /* 262K color and display ON */
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
/* Power On Set */
|
LCD_WriteReg(LCD_REG_28, 0x73);
|
LCD_WriteReg(LCD_REG_36, 0x74);
|
LCD_WriteReg(LCD_REG_30, 0x01);
|
LCD_WriteReg(LCD_REG_24, 0xC1);
|
_delay_(1); /* Delay 10 ms */
|
LCD_WriteReg(LCD_REG_24, 0xE1);
|
LCD_WriteReg(LCD_REG_24, 0xF1);
|
_delay_(6); /* Delay 60 ms */
|
LCD_WriteReg(LCD_REG_24, 0xF5);
|
_delay_(6); /* Delay 60 ms */
|
LCD_WriteReg(LCD_REG_27, 0x09);
|
_delay_(1); /* Delay 10 ms */
|
LCD_WriteReg(LCD_REG_31, 0x11);
|
LCD_WriteReg(LCD_REG_32, 0x0E);
|
LCD_WriteReg(LCD_REG_30, 0x81);
|
_delay_(1); /* Delay 10 ms */
|
}
|
}
|
|
|
/**
|
* @brief Enables the Display.
|
* @param None
|
* @retval None
|
*/
|
void LCD_DisplayOn(void)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* Display On */
|
LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
LCD_WriteReg(LCD_REG_1, 0x50);
|
LCD_WriteReg(LCD_REG_5, 0x04);
|
/* Display On */
|
LCD_WriteReg(LCD_REG_0, 0x80);
|
LCD_WriteReg(LCD_REG_59, 0x01);
|
_delay_(4); /* Delay 40 ms */
|
LCD_WriteReg(LCD_REG_0, 0x20);
|
}
|
}
|
|
|
/**
|
* @brief Disables the Display.
|
* @param None
|
* @retval None
|
*/
|
void LCD_DisplayOff(void)
|
{
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
/* Display Off */
|
LCD_WriteReg(LCD_REG_7, 0x0);
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
/* Display Off */
|
LCD_WriteReg(LCD_REG_0, 0xA0);
|
_delay_(4); /* Delay 40 ms */
|
LCD_WriteReg(LCD_REG_59, 0x00);
|
}
|
}
|
|
|
/**
|
* @brief Configures LCD control lines in Output Push-Pull mode.
|
* @param None
|
* @retval None
|
*/
|
void LCD_CtrlLinesConfig(void)
|
{
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
/* Enable GPIO clock */
|
RCC_APB2PeriphClockCmd(LCD_NCS_GPIO_CLK | LCD_NWR_GPIO_CLK | LCD_RS_GPIO_CLK, ENABLE);
|
|
/* Configure NCS in Output Push-Pull mode */
|
GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN;
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
|
GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
|
|
/* Configure NWR(RNW), RS in Output Push-Pull mode */
|
GPIO_InitStructure.GPIO_Pin = LCD_RS_PIN;
|
GPIO_Init(LCD_RS_GPIO_PORT, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = LCD_NWR_PIN;
|
GPIO_Init(LCD_NWR_GPIO_PORT, &GPIO_InitStructure);
|
|
LCD_CtrlLinesWrite(LCD_NWR_GPIO_PORT, LCD_NWR_PIN, Bit_SET);
|
LCD_CtrlLinesWrite(LCD_RS_GPIO_PORT, LCD_RS_PIN, Bit_SET);
|
}
|
|
|
/**
|
* @brief Sets or reset LCD control lines.
|
* @param GPIOx: where x can be B or D to select the GPIO peripheral.
|
* @param CtrlPins: the Control line.
|
* This parameter can be:
|
* @arg LCD_NCS_PIN: Chip Select pin
|
* @arg LCD_NWR_PIN: Read/Write Selection pin
|
* @arg LCD_RS_PIN: Register/RAM Selection pin
|
* @param BitVal: specifies the value to be written to the selected bit.
|
* This parameter can be:
|
* @arg Bit_RESET: to clear the port pin
|
* @arg Bit_SET: to set the port pin
|
* @retval None
|
*/
|
void LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, BitAction BitVal)
|
{
|
/* Set or Reset the control line */
|
GPIO_WriteBit(GPIOx, CtrlPins, BitVal);
|
}
|
|
|
/**
|
* @brief Configures the LCD_SPI interface.
|
* @param None
|
* @retval None
|
*/
|
void LCD_SPIConfig(void)
|
{
|
SPI_InitTypeDef SPI_InitStructure;
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
/* Enable GPIO clock */
|
RCC_APB2PeriphClockCmd(LCD_SPI_SCK_GPIO_CLK | LCD_SPI_MISO_GPIO_CLK | LCD_SPI_MOSI_GPIO_CLK, ENABLE);
|
|
/* Enable SPI clock */
|
RCC_APB1PeriphClockCmd(LCD_SPI_CLK, ENABLE);
|
|
/* Configure SPI pins: SCK, MISO and MOSI */
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_SCK_PIN;
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
GPIO_Init(LCD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_MISO_PIN;
|
GPIO_Init(LCD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
|
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_MOSI_PIN;
|
GPIO_Init(LCD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
|
|
SPI_I2S_DeInit(LCD_SPI);
|
|
/* SPI Config */
|
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
|
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
{
|
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
|
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
|
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
|
}
|
else if(LCDType == LCD_HX8312)
|
{
|
SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
|
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
|
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
|
}
|
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
|
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
|
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
|
|
SPI_Init(LCD_SPI, &SPI_InitStructure);
|
|
/* SPI enable */
|
SPI_Cmd(LCD_SPI, ENABLE);
|
}
|
|
/**
|
* @brief Displays a pixel.
|
* @param x: pixel x.
|
* @param y: pixel y.
|
* @retval None
|
*/
|
static void PutPixel(int16_t x, int16_t y)
|
{
|
if(x < 0 || x > 239 || y < 0 || y > 319)
|
{
|
return;
|
}
|
LCD_DrawLine(x, y, 1, LCD_DIR_HORIZONTAL);
|
}
|
|
#ifndef USE_Delay
|
/**
|
* @brief Inserts a delay time.
|
* @param nCount: specifies the delay time length.
|
* @retval None
|
*/
|
static void delay(vu32 nCount)
|
{
|
vu32 index = 0;
|
for(index = (34000 * nCount); index != 0; index--)
|
{
|
}
|
}
|
#endif /* USE_Delay*/
|
/**
|
* @}
|
*/
|
|
/**
|
* @}
|
*/
|
|
/**
|
* @}
|
*/
|
|
/**
|
* @}
|
*/
|
|
/**
|
* @}
|
*/
|
|
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
|
