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jeremybenn |
/**
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******************************************************************************
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* @file stm32l152_eval_lcd.c
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* @author MCD Application Team
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* @version V4.4.0RC1
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* @date 07/02/2010
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* @brief This file includes the LCD driver for AM-240320L8TNQW00H (LCD_ILI9320),
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* AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal Display Module
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* of STM32L152-EVAL board.
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******************************************************************************
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* @copy
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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 2010 STMicroelectronics</center></h2>
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32l152_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 STM32L152_EVAL
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* @{
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*/
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/** @defgroup STM32L152_EVAL_LCD
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* @brief This file includes the LCD driver for AM-240320L8TNQW00H (LCD_ILI9320),
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* AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal Display Module
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* of STM32L152-EVAL board.
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* @{
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*/
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/** @defgroup STM32L152_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 STM32L152_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_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 STM32L152_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 STM32L152_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_SPFD5408;
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/**
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* @}
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*/
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/** @defgroup STM32L152_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(__IO uint32_t nCount);
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#endif /* USE_Delay*/
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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 STM32L152_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 STM32L152_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_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;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(LCD_NCS_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_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_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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259 |
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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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268 |
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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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273 |
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274 |
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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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277 |
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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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279 |
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LCD_WriteReg(LCD_REG_96, 0x2700); /* Gate Scan Line */
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280 |
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LCD_WriteReg(LCD_REG_97, 0x0001); /* NDL,VLE, REV */
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281 |
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LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
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282 |
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/* Partial Display Control -----------------------------------------------*/
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283 |
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LCD_WriteReg(LCD_REG_128, 0x0000);
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284 |
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LCD_WriteReg(LCD_REG_129, 0x0000);
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285 |
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LCD_WriteReg(LCD_REG_130, 0x0000);
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286 |
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LCD_WriteReg(LCD_REG_131, 0x0000);
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287 |
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LCD_WriteReg(LCD_REG_132, 0x0000);
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LCD_WriteReg(LCD_REG_133, 0x0000);
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289 |
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/* Panel Control ---------------------------------------------------------*/
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290 |
|
|
LCD_WriteReg(LCD_REG_144, 0x0010);
|
291 |
|
|
LCD_WriteReg(LCD_REG_146, 0x0000);
|
292 |
|
|
LCD_WriteReg(LCD_REG_147, 0x0003);
|
293 |
|
|
LCD_WriteReg(LCD_REG_149, 0x0110);
|
294 |
|
|
LCD_WriteReg(LCD_REG_151, 0x0000);
|
295 |
|
|
LCD_WriteReg(LCD_REG_152, 0x0000);
|
296 |
|
|
/* Set GRAM write direction and BGR = 1 */
|
297 |
|
|
/* I/D=01 (Horizontal : increment, Vertical : decrement) */
|
298 |
|
|
/* AM=1 (address is updated in vertical writing direction) */
|
299 |
|
|
LCD_WriteReg(LCD_REG_3, 0x1018);
|
300 |
|
|
LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
|
301 |
|
|
}
|
302 |
|
|
}
|
303 |
|
|
|
304 |
|
|
|
305 |
|
|
/**
|
306 |
|
|
* @brief Initializes the LCD.
|
307 |
|
|
* @param None
|
308 |
|
|
* @retval None
|
309 |
|
|
*/
|
310 |
|
|
void STM32L152_LCD_Init(void)
|
311 |
|
|
{
|
312 |
|
|
/* Setups the LCD */
|
313 |
|
|
LCD_Setup();
|
314 |
|
|
|
315 |
|
|
/* Try to read new LCD controller ID 0x5408 */
|
316 |
|
|
if (LCD_ReadReg(LCD_REG_0) == LCD_SPFD5408)
|
317 |
|
|
{
|
318 |
|
|
LCDType = LCD_SPFD5408;
|
319 |
|
|
}
|
320 |
|
|
else
|
321 |
|
|
{
|
322 |
|
|
LCDType = LCD_ILI9320;
|
323 |
|
|
/* Setups the LCD */
|
324 |
|
|
LCD_Setup();
|
325 |
|
|
}
|
326 |
|
|
|
327 |
|
|
LCD_SetFont(&LCD_DEFAULT_FONT);
|
328 |
|
|
}
|
329 |
|
|
|
330 |
|
|
/**
|
331 |
|
|
* @brief Sets the LCD Text and Background colors.
|
332 |
|
|
* @param _TextColor: specifies the Text Color.
|
333 |
|
|
* @param _BackColor: specifies the Background Color.
|
334 |
|
|
* @retval None
|
335 |
|
|
*/
|
336 |
|
|
void LCD_SetColors(__IO uint16_t _TextColor, __IO uint16_t _BackColor)
|
337 |
|
|
{
|
338 |
|
|
TextColor = _TextColor;
|
339 |
|
|
BackColor = _BackColor;
|
340 |
|
|
}
|
341 |
|
|
|
342 |
|
|
/**
|
343 |
|
|
* @brief Gets the LCD Text and Background colors.
|
344 |
|
|
* @param _TextColor: pointer to the variable that will contain the Text
|
345 |
|
|
Color.
|
346 |
|
|
* @param _BackColor: pointer to the variable that will contain the Background
|
347 |
|
|
Color.
|
348 |
|
|
* @retval None
|
349 |
|
|
*/
|
350 |
|
|
void LCD_GetColors(__IO uint16_t *_TextColor, __IO uint16_t *_BackColor)
|
351 |
|
|
{
|
352 |
|
|
*_TextColor = TextColor; *_BackColor = BackColor;
|
353 |
|
|
}
|
354 |
|
|
|
355 |
|
|
/**
|
356 |
|
|
* @brief Sets the Text color.
|
357 |
|
|
* @param Color: specifies the Text color code RGB(5-6-5).
|
358 |
|
|
* @retval None
|
359 |
|
|
*/
|
360 |
|
|
void LCD_SetTextColor(__IO uint16_t Color)
|
361 |
|
|
{
|
362 |
|
|
TextColor = Color;
|
363 |
|
|
}
|
364 |
|
|
|
365 |
|
|
|
366 |
|
|
/**
|
367 |
|
|
* @brief Sets the Background color.
|
368 |
|
|
* @param Color: specifies the Background color code RGB(5-6-5).
|
369 |
|
|
* @retval None
|
370 |
|
|
*/
|
371 |
|
|
void LCD_SetBackColor(__IO uint16_t Color)
|
372 |
|
|
{
|
373 |
|
|
BackColor = Color;
|
374 |
|
|
}
|
375 |
|
|
|
376 |
|
|
/**
|
377 |
|
|
* @brief Sets the Text Font.
|
378 |
|
|
* @param fonts: specifies the font to be used.
|
379 |
|
|
* @retval None
|
380 |
|
|
*/
|
381 |
|
|
void LCD_SetFont(sFONT *fonts)
|
382 |
|
|
{
|
383 |
|
|
LCD_Currentfonts = fonts;
|
384 |
|
|
}
|
385 |
|
|
|
386 |
|
|
/**
|
387 |
|
|
* @brief Gets the Text Font.
|
388 |
|
|
* @param None.
|
389 |
|
|
* @retval the used font.
|
390 |
|
|
*/
|
391 |
|
|
sFONT *LCD_GetFont(void)
|
392 |
|
|
{
|
393 |
|
|
return LCD_Currentfonts;
|
394 |
|
|
}
|
395 |
|
|
|
396 |
|
|
/**
|
397 |
|
|
* @brief Clears the selected line.
|
398 |
|
|
* @param Line: the Line to be cleared.
|
399 |
|
|
* This parameter can be one of the following values:
|
400 |
|
|
* @arg Linex: where x can be 0..n
|
401 |
|
|
* @retval None
|
402 |
|
|
*/
|
403 |
|
|
void LCD_ClearLine(uint8_t Line)
|
404 |
|
|
{
|
405 |
|
|
uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
|
406 |
|
|
|
407 |
|
|
/* Send the string character by character on lCD */
|
408 |
|
|
while (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width)
|
409 |
|
|
{
|
410 |
|
|
/* Display one character on LCD */
|
411 |
|
|
LCD_DisplayChar(Line, refcolumn, ' ');
|
412 |
|
|
/* Decrement the column position by 16 */
|
413 |
|
|
refcolumn -= LCD_Currentfonts->Width;
|
414 |
|
|
}
|
415 |
|
|
}
|
416 |
|
|
|
417 |
|
|
|
418 |
|
|
/**
|
419 |
|
|
* @brief Clears the hole LCD.
|
420 |
|
|
* @param Color: the color of the background.
|
421 |
|
|
* @retval None
|
422 |
|
|
*/
|
423 |
|
|
void LCD_Clear(uint16_t Color)
|
424 |
|
|
{
|
425 |
|
|
uint32_t index = 0;
|
426 |
|
|
|
427 |
|
|
LCD_SetCursor(0x00, 0x013F);
|
428 |
|
|
|
429 |
|
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
430 |
|
|
|
431 |
|
|
for(index = 0; index < 76800; index++)
|
432 |
|
|
{
|
433 |
|
|
LCD_WriteRAM(Color);
|
434 |
|
|
}
|
435 |
|
|
|
436 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
437 |
|
|
|
438 |
|
|
}
|
439 |
|
|
|
440 |
|
|
|
441 |
|
|
/**
|
442 |
|
|
* @brief Sets the cursor position.
|
443 |
|
|
* @param Xpos: specifies the X position.
|
444 |
|
|
* @param Ypos: specifies the Y position.
|
445 |
|
|
* @retval None
|
446 |
|
|
*/
|
447 |
|
|
void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos)
|
448 |
|
|
{
|
449 |
|
|
LCD_WriteReg(LCD_REG_32, Xpos);
|
450 |
|
|
LCD_WriteReg(LCD_REG_33, Ypos);
|
451 |
|
|
}
|
452 |
|
|
|
453 |
|
|
|
454 |
|
|
/**
|
455 |
|
|
* @brief Draws a character on LCD.
|
456 |
|
|
* @param Xpos: the Line where to display the character shape.
|
457 |
|
|
* @param Ypos: start column address.
|
458 |
|
|
* @param c: pointer to the character data.
|
459 |
|
|
* @retval None
|
460 |
|
|
*/
|
461 |
|
|
void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
|
462 |
|
|
{
|
463 |
|
|
uint32_t index = 0, i = 0;
|
464 |
|
|
uint8_t Xaddress = 0;
|
465 |
|
|
|
466 |
|
|
Xaddress = Xpos;
|
467 |
|
|
|
468 |
|
|
LCD_SetCursor(Xaddress, Ypos);
|
469 |
|
|
|
470 |
|
|
for(index = 0; index < LCD_Currentfonts->Height; index++)
|
471 |
|
|
{
|
472 |
|
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
473 |
|
|
|
474 |
|
|
for(i = 0; i < LCD_Currentfonts->Width; i++)
|
475 |
|
|
{
|
476 |
|
|
if((((c[index] & ((0x80 << ((LCD_Currentfonts->Width / 12 ) * 8 ) ) >> i)) == 0x00) &&(LCD_Currentfonts->Width <= 12))||
|
477 |
|
|
(((c[index] & (0x1 << i)) == 0x00)&&(LCD_Currentfonts->Width > 12 )))
|
478 |
|
|
|
479 |
|
|
{
|
480 |
|
|
LCD_WriteRAM(BackColor);
|
481 |
|
|
}
|
482 |
|
|
else
|
483 |
|
|
{
|
484 |
|
|
LCD_WriteRAM(TextColor);
|
485 |
|
|
}
|
486 |
|
|
}
|
487 |
|
|
|
488 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
489 |
|
|
Xaddress++;
|
490 |
|
|
LCD_SetCursor(Xaddress, Ypos);
|
491 |
|
|
}
|
492 |
|
|
}
|
493 |
|
|
|
494 |
|
|
|
495 |
|
|
/**
|
496 |
|
|
* @brief Displays one character (16dots width, 24dots height).
|
497 |
|
|
* @param Line: the Line where to display the character shape .
|
498 |
|
|
* This parameter can be one of the following values:
|
499 |
|
|
* @arg Linex: where x can be 0..9
|
500 |
|
|
* @param Column: start column address.
|
501 |
|
|
* @param Ascii: character ascii code, must be between 0x20 and 0x7E.
|
502 |
|
|
* @retval None
|
503 |
|
|
*/
|
504 |
|
|
void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii)
|
505 |
|
|
{
|
506 |
|
|
Ascii -= 32;
|
507 |
|
|
LCD_DrawChar(Line, Column, &LCD_Currentfonts->table[Ascii * LCD_Currentfonts->Height]);
|
508 |
|
|
}
|
509 |
|
|
|
510 |
|
|
|
511 |
|
|
/**
|
512 |
|
|
* @brief Displays a maximum of 20 char on the LCD.
|
513 |
|
|
* @param Line: the Line where to display the character shape .
|
514 |
|
|
* This parameter can be one of the following values:
|
515 |
|
|
* @arg Linex: where x can be 0..9
|
516 |
|
|
* @param *ptr: pointer to string to display on LCD.
|
517 |
|
|
* @retval None
|
518 |
|
|
*/
|
519 |
|
|
void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr)
|
520 |
|
|
{
|
521 |
|
|
uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
|
522 |
|
|
|
523 |
|
|
/* Send the string character by character on lCD */
|
524 |
|
|
while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width))
|
525 |
|
|
{
|
526 |
|
|
/* Display one character on LCD */
|
527 |
|
|
LCD_DisplayChar(Line, refcolumn, *ptr);
|
528 |
|
|
/* Decrement the column position by 16 */
|
529 |
|
|
refcolumn -= LCD_Currentfonts->Width;
|
530 |
|
|
/* Point on the next character */
|
531 |
|
|
ptr++;
|
532 |
|
|
}
|
533 |
|
|
}
|
534 |
|
|
|
535 |
|
|
|
536 |
|
|
/**
|
537 |
|
|
* @brief Sets a display window
|
538 |
|
|
* @param Xpos: specifies the X buttom left position.
|
539 |
|
|
* @param Ypos: specifies the Y buttom left position.
|
540 |
|
|
* @param Height: display window height.
|
541 |
|
|
* @param Width: display window width.
|
542 |
|
|
* @retval None
|
543 |
|
|
*/
|
544 |
|
|
void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
|
545 |
|
|
{
|
546 |
|
|
/* Horizontal GRAM Start Address */
|
547 |
|
|
if(Xpos >= Height)
|
548 |
|
|
{
|
549 |
|
|
LCD_WriteReg(LCD_REG_80, (Xpos - Height + 1));
|
550 |
|
|
}
|
551 |
|
|
else
|
552 |
|
|
{
|
553 |
|
|
LCD_WriteReg(LCD_REG_80, 0);
|
554 |
|
|
}
|
555 |
|
|
/* Horizontal GRAM End Address */
|
556 |
|
|
LCD_WriteReg(LCD_REG_81, Xpos);
|
557 |
|
|
/* Vertical GRAM Start Address */
|
558 |
|
|
if(Ypos >= Width)
|
559 |
|
|
{
|
560 |
|
|
LCD_WriteReg(LCD_REG_82, (Ypos - Width + 1));
|
561 |
|
|
}
|
562 |
|
|
else
|
563 |
|
|
{
|
564 |
|
|
LCD_WriteReg(LCD_REG_82, 0);
|
565 |
|
|
}
|
566 |
|
|
/* Vertical GRAM End Address */
|
567 |
|
|
LCD_WriteReg(LCD_REG_83, Ypos);
|
568 |
|
|
|
569 |
|
|
LCD_SetCursor(Xpos, Ypos);
|
570 |
|
|
}
|
571 |
|
|
|
572 |
|
|
|
573 |
|
|
/**
|
574 |
|
|
* @brief Disables LCD Window mode.
|
575 |
|
|
* @param None
|
576 |
|
|
* @retval None
|
577 |
|
|
*/
|
578 |
|
|
void LCD_WindowModeDisable(void)
|
579 |
|
|
{
|
580 |
|
|
LCD_SetDisplayWindow(239, 0x13F, 240, 320);
|
581 |
|
|
LCD_WriteReg(LCD_REG_3, 0x1018);
|
582 |
|
|
}
|
583 |
|
|
|
584 |
|
|
/**
|
585 |
|
|
* @brief Displays a line.
|
586 |
|
|
* @param Xpos: specifies the X position.
|
587 |
|
|
* @param Ypos: specifies the Y position.
|
588 |
|
|
* @param Length: line length.
|
589 |
|
|
* @param Direction: line direction.
|
590 |
|
|
* This parameter can be one of the following values: Vertical or Horizontal.
|
591 |
|
|
* @retval None
|
592 |
|
|
*/
|
593 |
|
|
void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction)
|
594 |
|
|
{
|
595 |
|
|
uint32_t i = 0;
|
596 |
|
|
|
597 |
|
|
LCD_SetCursor(Xpos, Ypos);
|
598 |
|
|
|
599 |
|
|
if(Direction == LCD_DIR_HORIZONTAL)
|
600 |
|
|
{
|
601 |
|
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
602 |
|
|
|
603 |
|
|
for(i = 0; i < Length; i++)
|
604 |
|
|
{
|
605 |
|
|
LCD_WriteRAM(TextColor);
|
606 |
|
|
}
|
607 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
608 |
|
|
}
|
609 |
|
|
else
|
610 |
|
|
{
|
611 |
|
|
for(i = 0; i < Length; i++)
|
612 |
|
|
{
|
613 |
|
|
LCD_WriteRAMWord(TextColor);
|
614 |
|
|
Xpos++;
|
615 |
|
|
LCD_SetCursor(Xpos, Ypos);
|
616 |
|
|
}
|
617 |
|
|
}
|
618 |
|
|
}
|
619 |
|
|
|
620 |
|
|
|
621 |
|
|
/**
|
622 |
|
|
* @brief Displays a rectangle.
|
623 |
|
|
* @param Xpos: specifies the X position.
|
624 |
|
|
* @param Ypos: specifies the Y position.
|
625 |
|
|
* @param Height: display rectangle height.
|
626 |
|
|
* @param Width: display rectangle width.
|
627 |
|
|
* @retval None
|
628 |
|
|
*/
|
629 |
|
|
void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
|
630 |
|
|
{
|
631 |
|
|
LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
632 |
|
|
LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
|
633 |
|
|
|
634 |
|
|
LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
|
635 |
|
|
LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
|
636 |
|
|
}
|
637 |
|
|
|
638 |
|
|
|
639 |
|
|
/**
|
640 |
|
|
* @brief Displays a circle.
|
641 |
|
|
* @param Xpos: specifies the X position.
|
642 |
|
|
* @param Ypos: specifies the Y position.
|
643 |
|
|
* @param Radius
|
644 |
|
|
* @retval None
|
645 |
|
|
*/
|
646 |
|
|
void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius)
|
647 |
|
|
{
|
648 |
|
|
int32_t D;/* Decision Variable */
|
649 |
|
|
uint32_t CurX;/* Current X Value */
|
650 |
|
|
uint32_t CurY;/* Current Y Value */
|
651 |
|
|
|
652 |
|
|
D = 3 - (Radius << 1);
|
653 |
|
|
CurX = 0;
|
654 |
|
|
CurY = Radius;
|
655 |
|
|
|
656 |
|
|
while (CurX <= CurY)
|
657 |
|
|
{
|
658 |
|
|
LCD_SetCursor(Xpos + CurX, Ypos + CurY);
|
659 |
|
|
LCD_WriteRAMWord(TextColor);
|
660 |
|
|
LCD_SetCursor(Xpos + CurX, Ypos - CurY);
|
661 |
|
|
LCD_WriteRAMWord(TextColor);
|
662 |
|
|
|
663 |
|
|
LCD_SetCursor(Xpos - CurX, Ypos + CurY);
|
664 |
|
|
LCD_WriteRAMWord(TextColor);
|
665 |
|
|
|
666 |
|
|
LCD_SetCursor(Xpos - CurX, Ypos - CurY);
|
667 |
|
|
LCD_WriteRAMWord(TextColor);
|
668 |
|
|
|
669 |
|
|
LCD_SetCursor(Xpos + CurY, Ypos + CurX);
|
670 |
|
|
LCD_WriteRAMWord(TextColor);
|
671 |
|
|
|
672 |
|
|
LCD_SetCursor(Xpos + CurY, Ypos - CurX);
|
673 |
|
|
LCD_WriteRAMWord(TextColor);
|
674 |
|
|
|
675 |
|
|
LCD_SetCursor(Xpos - CurY, Ypos + CurX);
|
676 |
|
|
LCD_WriteRAMWord(TextColor);
|
677 |
|
|
|
678 |
|
|
LCD_SetCursor(Xpos - CurY, Ypos - CurX);
|
679 |
|
|
LCD_WriteRAMWord(TextColor);
|
680 |
|
|
|
681 |
|
|
if (D < 0)
|
682 |
|
|
{
|
683 |
|
|
D += (CurX << 2) + 6;
|
684 |
|
|
}
|
685 |
|
|
else
|
686 |
|
|
{
|
687 |
|
|
D += ((CurX - CurY) << 2) + 10;
|
688 |
|
|
CurY--;
|
689 |
|
|
}
|
690 |
|
|
CurX++;
|
691 |
|
|
}
|
692 |
|
|
}
|
693 |
|
|
|
694 |
|
|
|
695 |
|
|
/**
|
696 |
|
|
* @brief Displays a monocolor picture.
|
697 |
|
|
* @param Pict: pointer to the picture array.
|
698 |
|
|
* @retval None
|
699 |
|
|
*/
|
700 |
|
|
void LCD_DrawMonoPict(const uint32_t *Pict)
|
701 |
|
|
{
|
702 |
|
|
uint32_t index = 0, i = 0;
|
703 |
|
|
LCD_SetCursor(0, (LCD_PIXEL_WIDTH - 1));
|
704 |
|
|
|
705 |
|
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
706 |
|
|
|
707 |
|
|
for(index = 0; index < 2400; index++)
|
708 |
|
|
{
|
709 |
|
|
for(i = 0; i < 32; i++)
|
710 |
|
|
{
|
711 |
|
|
if((Pict[index] & (1 << i)) == 0x00)
|
712 |
|
|
{
|
713 |
|
|
LCD_WriteRAM(BackColor);
|
714 |
|
|
}
|
715 |
|
|
else
|
716 |
|
|
{
|
717 |
|
|
LCD_WriteRAM(TextColor);
|
718 |
|
|
}
|
719 |
|
|
}
|
720 |
|
|
}
|
721 |
|
|
|
722 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
723 |
|
|
}
|
724 |
|
|
|
725 |
|
|
#ifdef USE_LCD_DrawBMP
|
726 |
|
|
/**
|
727 |
|
|
* @brief Displays a bitmap picture loaded in the SPI Flash.
|
728 |
|
|
* @param BmpAddress: Bmp picture address in the SPI Flash.
|
729 |
|
|
* @retval None
|
730 |
|
|
*/
|
731 |
|
|
void LCD_DrawBMP(uint32_t BmpAddress)
|
732 |
|
|
{
|
733 |
|
|
uint32_t i = 0, size = 0;
|
734 |
|
|
/* Read bitmap size */
|
735 |
|
|
SPI_FLASH_BufferRead((uint8_t*)&size, BmpAddress + 2, 4);
|
736 |
|
|
/* get bitmap data address offset */
|
737 |
|
|
SPI_FLASH_BufferRead((uint8_t*)&i, BmpAddress + 10, 4);
|
738 |
|
|
|
739 |
|
|
size = (size - i)/2;
|
740 |
|
|
SPI_FLASH_StartReadSequence(BmpAddress + i);
|
741 |
|
|
/* Disable SPI1 */
|
742 |
|
|
SPI_Cmd(SPI1, DISABLE);
|
743 |
|
|
/* SPI in 16-bit mode */
|
744 |
|
|
SPI_DataSizeConfig(SPI1, SPI_DataSize_16b);
|
745 |
|
|
/* Enable SPI1 */
|
746 |
|
|
SPI_Cmd(SPI1, ENABLE);
|
747 |
|
|
|
748 |
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
749 |
|
|
{
|
750 |
|
|
/* Set GRAM write direction and BGR = 1 */
|
751 |
|
|
/* I/D=00 (Horizontal : decrement, Vertical : decrement) */
|
752 |
|
|
/* AM=1 (address is updated in vertical writing direction) */
|
753 |
|
|
LCD_WriteReg(LCD_REG_3, 0x1008);
|
754 |
|
|
LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
|
755 |
|
|
}
|
756 |
|
|
|
757 |
|
|
/* Read bitmap data from SPI Flash and send them to LCD */
|
758 |
|
|
for(i = 0; i < size; i++)
|
759 |
|
|
{
|
760 |
|
|
LCD_WriteRAM(__REV16(SPI_FLASH_SendHalfWord(0xA5A5)));
|
761 |
|
|
}
|
762 |
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
763 |
|
|
{
|
764 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
765 |
|
|
}
|
766 |
|
|
|
767 |
|
|
/* Deselect the FLASH: Chip Select high */
|
768 |
|
|
SPI_FLASH_CS_HIGH();
|
769 |
|
|
/* Disable SPI1 */
|
770 |
|
|
SPI_Cmd(SPI1, DISABLE);
|
771 |
|
|
/* SPI in 8-bit mode */
|
772 |
|
|
SPI_DataSizeConfig(SPI1, SPI_DataSize_8b);
|
773 |
|
|
/* Enable SPI1 */
|
774 |
|
|
SPI_Cmd(SPI1, ENABLE);
|
775 |
|
|
|
776 |
|
|
if((LCDType == LCD_ILI9320) || (LCDType == LCD_SPFD5408))
|
777 |
|
|
{
|
778 |
|
|
/* Set GRAM write direction and BGR = 1 */
|
779 |
|
|
/* I/D = 01 (Horizontal : increment, Vertical : decrement) */
|
780 |
|
|
/* AM = 1 (address is updated in vertical writing direction) */
|
781 |
|
|
LCD_WriteReg(LCD_REG_3, 0x1018);
|
782 |
|
|
}
|
783 |
|
|
}
|
784 |
|
|
#endif /* USE_LCD_DrawBMP */
|
785 |
|
|
|
786 |
|
|
/**
|
787 |
|
|
* @brief Displays a full rectangle.
|
788 |
|
|
* @param Xpos: specifies the X position.
|
789 |
|
|
* @param Ypos: specifies the Y position.
|
790 |
|
|
* @param Height: rectangle height.
|
791 |
|
|
* @param Width: rectangle width.
|
792 |
|
|
* @retval None
|
793 |
|
|
*/
|
794 |
|
|
void LCD_DrawFullRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
|
795 |
|
|
{
|
796 |
|
|
LCD_SetTextColor(TextColor);
|
797 |
|
|
|
798 |
|
|
LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
799 |
|
|
LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
|
800 |
|
|
|
801 |
|
|
LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
|
802 |
|
|
LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
|
803 |
|
|
|
804 |
|
|
Width -= 2;
|
805 |
|
|
Height--;
|
806 |
|
|
Ypos--;
|
807 |
|
|
|
808 |
|
|
LCD_SetTextColor(BackColor);
|
809 |
|
|
|
810 |
|
|
while(Height--)
|
811 |
|
|
{
|
812 |
|
|
LCD_DrawLine(++Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
|
813 |
|
|
}
|
814 |
|
|
|
815 |
|
|
LCD_SetTextColor(TextColor);
|
816 |
|
|
}
|
817 |
|
|
|
818 |
|
|
/**
|
819 |
|
|
* @brief Displays a full circle.
|
820 |
|
|
* @param Xpos: specifies the X position.
|
821 |
|
|
* @param Ypos: specifies the Y position.
|
822 |
|
|
* @param Radius
|
823 |
|
|
* @retval None
|
824 |
|
|
*/
|
825 |
|
|
void LCD_DrawFullCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
|
826 |
|
|
{
|
827 |
|
|
int32_t D; /* Decision Variable */
|
828 |
|
|
uint32_t CurX;/* Current X Value */
|
829 |
|
|
uint32_t CurY;/* Current Y Value */
|
830 |
|
|
|
831 |
|
|
D = 3 - (Radius << 1);
|
832 |
|
|
|
833 |
|
|
CurX = 0;
|
834 |
|
|
CurY = Radius;
|
835 |
|
|
|
836 |
|
|
LCD_SetTextColor(BackColor);
|
837 |
|
|
|
838 |
|
|
while (CurX <= CurY)
|
839 |
|
|
{
|
840 |
|
|
if(CurY > 0)
|
841 |
|
|
{
|
842 |
|
|
LCD_DrawLine(Xpos - CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
|
843 |
|
|
LCD_DrawLine(Xpos + CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
|
844 |
|
|
}
|
845 |
|
|
|
846 |
|
|
if(CurX > 0)
|
847 |
|
|
{
|
848 |
|
|
LCD_DrawLine(Xpos - CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
|
849 |
|
|
LCD_DrawLine(Xpos + CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
|
850 |
|
|
}
|
851 |
|
|
if (D < 0)
|
852 |
|
|
{
|
853 |
|
|
D += (CurX << 2) + 6;
|
854 |
|
|
}
|
855 |
|
|
else
|
856 |
|
|
{
|
857 |
|
|
D += ((CurX - CurY) << 2) + 10;
|
858 |
|
|
CurY--;
|
859 |
|
|
}
|
860 |
|
|
CurX++;
|
861 |
|
|
}
|
862 |
|
|
|
863 |
|
|
LCD_SetTextColor(TextColor);
|
864 |
|
|
LCD_DrawCircle(Xpos, Ypos, Radius);
|
865 |
|
|
}
|
866 |
|
|
|
867 |
|
|
/**
|
868 |
|
|
* @brief Displays an uni line (between two points).
|
869 |
|
|
* @param x1: specifies the point 1 x position.
|
870 |
|
|
* @param y1: specifies the point 1 y position.
|
871 |
|
|
* @param x2: specifies the point 2 x position.
|
872 |
|
|
* @param y2: specifies the point 2 y position.
|
873 |
|
|
* @retval None
|
874 |
|
|
*/
|
875 |
|
|
void LCD_DrawUniLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
|
876 |
|
|
{
|
877 |
|
|
int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0,
|
878 |
|
|
yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0,
|
879 |
|
|
curpixel = 0;
|
880 |
|
|
|
881 |
|
|
deltax = ABS(x2 - x1); /* The difference between the x's */
|
882 |
|
|
deltay = ABS(y2 - y1); /* The difference between the y's */
|
883 |
|
|
x = x1; /* Start x off at the first pixel */
|
884 |
|
|
y = y1; /* Start y off at the first pixel */
|
885 |
|
|
|
886 |
|
|
if (x2 >= x1) /* The x-values are increasing */
|
887 |
|
|
{
|
888 |
|
|
xinc1 = 1;
|
889 |
|
|
xinc2 = 1;
|
890 |
|
|
}
|
891 |
|
|
else /* The x-values are decreasing */
|
892 |
|
|
{
|
893 |
|
|
xinc1 = -1;
|
894 |
|
|
xinc2 = -1;
|
895 |
|
|
}
|
896 |
|
|
|
897 |
|
|
if (y2 >= y1) /* The y-values are increasing */
|
898 |
|
|
{
|
899 |
|
|
yinc1 = 1;
|
900 |
|
|
yinc2 = 1;
|
901 |
|
|
}
|
902 |
|
|
else /* The y-values are decreasing */
|
903 |
|
|
{
|
904 |
|
|
yinc1 = -1;
|
905 |
|
|
yinc2 = -1;
|
906 |
|
|
}
|
907 |
|
|
|
908 |
|
|
if (deltax >= deltay) /* There is at least one x-value for every y-value */
|
909 |
|
|
{
|
910 |
|
|
xinc1 = 0; /* Don't change the x when numerator >= denominator */
|
911 |
|
|
yinc2 = 0; /* Don't change the y for every iteration */
|
912 |
|
|
den = deltax;
|
913 |
|
|
num = deltax / 2;
|
914 |
|
|
numadd = deltay;
|
915 |
|
|
numpixels = deltax; /* There are more x-values than y-values */
|
916 |
|
|
}
|
917 |
|
|
else /* There is at least one y-value for every x-value */
|
918 |
|
|
{
|
919 |
|
|
xinc2 = 0; /* Don't change the x for every iteration */
|
920 |
|
|
yinc1 = 0; /* Don't change the y when numerator >= denominator */
|
921 |
|
|
den = deltay;
|
922 |
|
|
num = deltay / 2;
|
923 |
|
|
numadd = deltax;
|
924 |
|
|
numpixels = deltay; /* There are more y-values than x-values */
|
925 |
|
|
}
|
926 |
|
|
|
927 |
|
|
for (curpixel = 0; curpixel <= numpixels; curpixel++)
|
928 |
|
|
{
|
929 |
|
|
PutPixel(x, y); /* Draw the current pixel */
|
930 |
|
|
num += numadd; /* Increase the numerator by the top of the fraction */
|
931 |
|
|
if (num >= den) /* Check if numerator >= denominator */
|
932 |
|
|
{
|
933 |
|
|
num -= den; /* Calculate the new numerator value */
|
934 |
|
|
x += xinc1; /* Change the x as appropriate */
|
935 |
|
|
y += yinc1; /* Change the y as appropriate */
|
936 |
|
|
}
|
937 |
|
|
x += xinc2; /* Change the x as appropriate */
|
938 |
|
|
y += yinc2; /* Change the y as appropriate */
|
939 |
|
|
}
|
940 |
|
|
}
|
941 |
|
|
|
942 |
|
|
/**
|
943 |
|
|
* @brief Displays an polyline (between many points).
|
944 |
|
|
* @param Points: pointer to the points array.
|
945 |
|
|
* @param PointCount: Number of points.
|
946 |
|
|
* @retval None
|
947 |
|
|
*/
|
948 |
|
|
void LCD_PolyLine(pPoint Points, uint16_t PointCount)
|
949 |
|
|
{
|
950 |
|
|
int16_t X = 0, Y = 0;
|
951 |
|
|
|
952 |
|
|
if(PointCount < 2)
|
953 |
|
|
{
|
954 |
|
|
return;
|
955 |
|
|
}
|
956 |
|
|
|
957 |
|
|
while(--PointCount)
|
958 |
|
|
{
|
959 |
|
|
X = Points->X;
|
960 |
|
|
Y = Points->Y;
|
961 |
|
|
Points++;
|
962 |
|
|
LCD_DrawUniLine(X, Y, Points->X, Points->Y);
|
963 |
|
|
}
|
964 |
|
|
}
|
965 |
|
|
|
966 |
|
|
/**
|
967 |
|
|
* @brief Displays an relative polyline (between many points).
|
968 |
|
|
* @param Points: pointer to the points array.
|
969 |
|
|
* @param PointCount: Number of points.
|
970 |
|
|
* @param Closed: specifies if the draw is closed or not.
|
971 |
|
|
* 1: closed, 0 : not closed.
|
972 |
|
|
* @retval None
|
973 |
|
|
*/
|
974 |
|
|
static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed)
|
975 |
|
|
{
|
976 |
|
|
int16_t X = 0, Y = 0;
|
977 |
|
|
pPoint First = Points;
|
978 |
|
|
|
979 |
|
|
if(PointCount < 2)
|
980 |
|
|
{
|
981 |
|
|
return;
|
982 |
|
|
}
|
983 |
|
|
X = Points->X;
|
984 |
|
|
Y = Points->Y;
|
985 |
|
|
while(--PointCount)
|
986 |
|
|
{
|
987 |
|
|
Points++;
|
988 |
|
|
LCD_DrawUniLine(X, Y, X + Points->X, Y + Points->Y);
|
989 |
|
|
X = X + Points->X;
|
990 |
|
|
Y = Y + Points->Y;
|
991 |
|
|
}
|
992 |
|
|
if(Closed)
|
993 |
|
|
{
|
994 |
|
|
LCD_DrawUniLine(First->X, First->Y, X, Y);
|
995 |
|
|
}
|
996 |
|
|
}
|
997 |
|
|
|
998 |
|
|
/**
|
999 |
|
|
* @brief Displays a closed polyline (between many points).
|
1000 |
|
|
* @param Points: pointer to the points array.
|
1001 |
|
|
* @param PointCount: Number of points.
|
1002 |
|
|
* @retval None
|
1003 |
|
|
*/
|
1004 |
|
|
void LCD_ClosedPolyLine(pPoint Points, uint16_t PointCount)
|
1005 |
|
|
{
|
1006 |
|
|
LCD_PolyLine(Points, PointCount);
|
1007 |
|
|
LCD_DrawUniLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y);
|
1008 |
|
|
}
|
1009 |
|
|
|
1010 |
|
|
/**
|
1011 |
|
|
* @brief Displays a relative polyline (between many points).
|
1012 |
|
|
* @param Points: pointer to the points array.
|
1013 |
|
|
* @param PointCount: Number of points.
|
1014 |
|
|
* @retval None
|
1015 |
|
|
*/
|
1016 |
|
|
void LCD_PolyLineRelative(pPoint Points, uint16_t PointCount)
|
1017 |
|
|
{
|
1018 |
|
|
LCD_PolyLineRelativeClosed(Points, PointCount, 0);
|
1019 |
|
|
}
|
1020 |
|
|
|
1021 |
|
|
/**
|
1022 |
|
|
* @brief Displays a closed relative polyline (between many points).
|
1023 |
|
|
* @param Points: pointer to the points array.
|
1024 |
|
|
* @param PointCount: Number of points.
|
1025 |
|
|
* @retval None
|
1026 |
|
|
*/
|
1027 |
|
|
void LCD_ClosedPolyLineRelative(pPoint Points, uint16_t PointCount)
|
1028 |
|
|
{
|
1029 |
|
|
LCD_PolyLineRelativeClosed(Points, PointCount, 1);
|
1030 |
|
|
}
|
1031 |
|
|
|
1032 |
|
|
|
1033 |
|
|
/**
|
1034 |
|
|
* @brief Displays a full polyline (between many points).
|
1035 |
|
|
* @param Points: pointer to the points array.
|
1036 |
|
|
* @param PointCount: Number of points.
|
1037 |
|
|
* @retval None
|
1038 |
|
|
*/
|
1039 |
|
|
void LCD_FillPolyLine(pPoint Points, uint16_t PointCount)
|
1040 |
|
|
{
|
1041 |
|
|
/* public-domain code by Darel Rex Finley, 2007 */
|
1042 |
|
|
uint16_t nodes = 0, nodeX[MAX_POLY_CORNERS], pixelX = 0, pixelY = 0, i = 0,
|
1043 |
|
|
j = 0, swap = 0;
|
1044 |
|
|
uint16_t IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0;
|
1045 |
|
|
|
1046 |
|
|
IMAGE_LEFT = IMAGE_RIGHT = Points->X;
|
1047 |
|
|
IMAGE_TOP= IMAGE_BOTTOM = Points->Y;
|
1048 |
|
|
|
1049 |
|
|
for(i = 1; i < PointCount; i++)
|
1050 |
|
|
{
|
1051 |
|
|
pixelX = POLY_X(i);
|
1052 |
|
|
if(pixelX < IMAGE_LEFT)
|
1053 |
|
|
{
|
1054 |
|
|
IMAGE_LEFT = pixelX;
|
1055 |
|
|
}
|
1056 |
|
|
if(pixelX > IMAGE_RIGHT)
|
1057 |
|
|
{
|
1058 |
|
|
IMAGE_RIGHT = pixelX;
|
1059 |
|
|
}
|
1060 |
|
|
|
1061 |
|
|
pixelY = POLY_Y(i);
|
1062 |
|
|
if(pixelY < IMAGE_TOP)
|
1063 |
|
|
{
|
1064 |
|
|
IMAGE_TOP = pixelY;
|
1065 |
|
|
}
|
1066 |
|
|
if(pixelY > IMAGE_BOTTOM)
|
1067 |
|
|
{
|
1068 |
|
|
IMAGE_BOTTOM = pixelY;
|
1069 |
|
|
}
|
1070 |
|
|
}
|
1071 |
|
|
|
1072 |
|
|
LCD_SetTextColor(BackColor);
|
1073 |
|
|
|
1074 |
|
|
/* Loop through the rows of the image. */
|
1075 |
|
|
for (pixelY = IMAGE_TOP; pixelY < IMAGE_BOTTOM; pixelY++)
|
1076 |
|
|
{
|
1077 |
|
|
/* Build a list of nodes. */
|
1078 |
|
|
nodes = 0; j = PointCount-1;
|
1079 |
|
|
|
1080 |
|
|
for (i = 0; i < PointCount; i++)
|
1081 |
|
|
{
|
1082 |
|
|
if (POLY_Y(i)<(double) pixelY && POLY_Y(j)>=(double) pixelY || POLY_Y(j)<(double) pixelY && POLY_Y(i)>=(double) pixelY)
|
1083 |
|
|
{
|
1084 |
|
|
nodeX[nodes++]=(int) (POLY_X(i)+((pixelY-POLY_Y(i))*(POLY_X(j)-POLY_X(i)))/(POLY_Y(j)-POLY_Y(i)));
|
1085 |
|
|
}
|
1086 |
|
|
j = i;
|
1087 |
|
|
}
|
1088 |
|
|
|
1089 |
|
|
/* Sort the nodes, via a simple “Bubble” sort. */
|
1090 |
|
|
i = 0;
|
1091 |
|
|
while (i < nodes-1)
|
1092 |
|
|
{
|
1093 |
|
|
if (nodeX[i]>nodeX[i+1])
|
1094 |
|
|
{
|
1095 |
|
|
swap = nodeX[i];
|
1096 |
|
|
nodeX[i] = nodeX[i+1];
|
1097 |
|
|
nodeX[i+1] = swap;
|
1098 |
|
|
if(i)
|
1099 |
|
|
{
|
1100 |
|
|
i--;
|
1101 |
|
|
}
|
1102 |
|
|
}
|
1103 |
|
|
else
|
1104 |
|
|
{
|
1105 |
|
|
i++;
|
1106 |
|
|
}
|
1107 |
|
|
}
|
1108 |
|
|
|
1109 |
|
|
/* Fill the pixels between node pairs. */
|
1110 |
|
|
for (i = 0; i < nodes; i+=2)
|
1111 |
|
|
{
|
1112 |
|
|
if(nodeX[i] >= IMAGE_RIGHT)
|
1113 |
|
|
{
|
1114 |
|
|
break;
|
1115 |
|
|
}
|
1116 |
|
|
if(nodeX[i+1] > IMAGE_LEFT)
|
1117 |
|
|
{
|
1118 |
|
|
if (nodeX[i] < IMAGE_LEFT)
|
1119 |
|
|
{
|
1120 |
|
|
nodeX[i]=IMAGE_LEFT;
|
1121 |
|
|
}
|
1122 |
|
|
if(nodeX[i+1] > IMAGE_RIGHT)
|
1123 |
|
|
{
|
1124 |
|
|
nodeX[i+1] = IMAGE_RIGHT;
|
1125 |
|
|
}
|
1126 |
|
|
LCD_SetTextColor(BackColor);
|
1127 |
|
|
LCD_DrawLine(pixelY, nodeX[i+1], nodeX[i+1] - nodeX[i], LCD_DIR_HORIZONTAL);
|
1128 |
|
|
LCD_SetTextColor(TextColor);
|
1129 |
|
|
PutPixel(pixelY, nodeX[i+1]);
|
1130 |
|
|
PutPixel(pixelY, nodeX[i]);
|
1131 |
|
|
/* for (j=nodeX[i]; j<nodeX[i+1]; j++) PutPixel(j,pixelY); */
|
1132 |
|
|
}
|
1133 |
|
|
}
|
1134 |
|
|
}
|
1135 |
|
|
|
1136 |
|
|
/* draw the edges */
|
1137 |
|
|
LCD_SetTextColor(TextColor);
|
1138 |
|
|
}
|
1139 |
|
|
|
1140 |
|
|
/**
|
1141 |
|
|
* @brief Reset LCD control line(/CS) and Send Start-Byte
|
1142 |
|
|
* @param Start_Byte: the Start-Byte to be sent
|
1143 |
|
|
* @retval None
|
1144 |
|
|
*/
|
1145 |
|
|
void LCD_nCS_StartByte(uint8_t Start_Byte)
|
1146 |
|
|
{
|
1147 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_RESET);
|
1148 |
|
|
|
1149 |
|
|
SPI_SendData(LCD_SPI, Start_Byte);
|
1150 |
|
|
|
1151 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1152 |
|
|
{
|
1153 |
|
|
}
|
1154 |
|
|
}
|
1155 |
|
|
|
1156 |
|
|
|
1157 |
|
|
/**
|
1158 |
|
|
* @brief Writes index to select the LCD register.
|
1159 |
|
|
* @param LCD_Reg: address of the selected register.
|
1160 |
|
|
* @retval None
|
1161 |
|
|
*/
|
1162 |
|
|
void LCD_WriteRegIndex(uint8_t LCD_Reg)
|
1163 |
|
|
{
|
1164 |
|
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
1165 |
|
|
LCD_nCS_StartByte(START_BYTE | SET_INDEX);
|
1166 |
|
|
|
1167 |
|
|
/* Write 16-bit Reg Index (High Byte is 0) */
|
1168 |
|
|
SPI_SendData(LCD_SPI, 0x00);
|
1169 |
|
|
|
1170 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1171 |
|
|
{
|
1172 |
|
|
}
|
1173 |
|
|
|
1174 |
|
|
SPI_SendData(LCD_SPI, LCD_Reg);
|
1175 |
|
|
|
1176 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1177 |
|
|
{
|
1178 |
|
|
}
|
1179 |
|
|
|
1180 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
1181 |
|
|
}
|
1182 |
|
|
|
1183 |
|
|
|
1184 |
|
|
/**
|
1185 |
|
|
* @brief Writes to the selected LCD ILI9320 register.
|
1186 |
|
|
* @param LCD_Reg: address of the selected register.
|
1187 |
|
|
* @param LCD_RegValue: value to write to the selected register.
|
1188 |
|
|
* @retval None
|
1189 |
|
|
*/
|
1190 |
|
|
void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
|
1191 |
|
|
{
|
1192 |
|
|
/* Write 16-bit Index (then Write Reg) */
|
1193 |
|
|
LCD_WriteRegIndex(LCD_Reg);
|
1194 |
|
|
|
1195 |
|
|
/* Write 16-bit Reg */
|
1196 |
|
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
1197 |
|
|
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
|
1198 |
|
|
|
1199 |
|
|
SPI_SendData(LCD_SPI, LCD_RegValue >> 8);
|
1200 |
|
|
|
1201 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1202 |
|
|
{
|
1203 |
|
|
}
|
1204 |
|
|
|
1205 |
|
|
SPI_SendData(LCD_SPI, (LCD_RegValue & 0xFF));
|
1206 |
|
|
|
1207 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1208 |
|
|
{
|
1209 |
|
|
}
|
1210 |
|
|
|
1211 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
1212 |
|
|
}
|
1213 |
|
|
|
1214 |
|
|
|
1215 |
|
|
/**
|
1216 |
|
|
* @brief Reads the selected LCD Register.
|
1217 |
|
|
* @param LCD_Reg: address of the selected register.
|
1218 |
|
|
* @retval LCD Register Value.
|
1219 |
|
|
*/
|
1220 |
|
|
uint16_t LCD_ReadReg(uint8_t LCD_Reg)
|
1221 |
|
|
{
|
1222 |
|
|
uint16_t tmp = 0;
|
1223 |
|
|
uint8_t i = 0;
|
1224 |
|
|
|
1225 |
|
|
/* LCD_SPI prescaler: 4 */
|
1226 |
|
|
LCD_SPI->CR1 &= 0xFFC7;
|
1227 |
|
|
LCD_SPI->CR1 |= 0x0008;
|
1228 |
|
|
/* Write 16-bit Index (then Read Reg) */
|
1229 |
|
|
LCD_WriteRegIndex(LCD_Reg);
|
1230 |
|
|
/* Read 16-bit Reg */
|
1231 |
|
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
1232 |
|
|
LCD_nCS_StartByte(START_BYTE | LCD_READ_REG);
|
1233 |
|
|
|
1234 |
|
|
for(i = 0; i < 5; i++)
|
1235 |
|
|
{
|
1236 |
|
|
SPI_SendData(LCD_SPI, 0xFF);
|
1237 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1238 |
|
|
{
|
1239 |
|
|
}
|
1240 |
|
|
/* One byte of invalid dummy data read after the start byte */
|
1241 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET)
|
1242 |
|
|
{
|
1243 |
|
|
}
|
1244 |
|
|
SPI_ReceiveData(LCD_SPI);
|
1245 |
|
|
}
|
1246 |
|
|
|
1247 |
|
|
SPI_SendData(LCD_SPI, 0xFF);
|
1248 |
|
|
|
1249 |
|
|
/* Read upper byte */
|
1250 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1251 |
|
|
{
|
1252 |
|
|
}
|
1253 |
|
|
|
1254 |
|
|
/* Read lower byte */
|
1255 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET)
|
1256 |
|
|
{
|
1257 |
|
|
}
|
1258 |
|
|
tmp = SPI_ReceiveData(LCD_SPI);
|
1259 |
|
|
|
1260 |
|
|
|
1261 |
|
|
SPI_SendData(LCD_SPI, 0xFF);
|
1262 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1263 |
|
|
{
|
1264 |
|
|
}
|
1265 |
|
|
|
1266 |
|
|
/* Read lower byte */
|
1267 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_RXNE) == RESET)
|
1268 |
|
|
{
|
1269 |
|
|
}
|
1270 |
|
|
|
1271 |
|
|
tmp = ((tmp & 0xFF) << 8) | SPI_ReceiveData(LCD_SPI);
|
1272 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
1273 |
|
|
|
1274 |
|
|
/* LCD_SPI prescaler: 2 */
|
1275 |
|
|
LCD_SPI->CR1 &= 0xFFC7;
|
1276 |
|
|
|
1277 |
|
|
return tmp;
|
1278 |
|
|
}
|
1279 |
|
|
|
1280 |
|
|
|
1281 |
|
|
/**
|
1282 |
|
|
* @brief Prepare to write to the LCD RAM.
|
1283 |
|
|
* @param None
|
1284 |
|
|
* @retval None
|
1285 |
|
|
*/
|
1286 |
|
|
void LCD_WriteRAM_Prepare(void)
|
1287 |
|
|
{
|
1288 |
|
|
LCD_WriteRegIndex(LCD_REG_34); /* Select GRAM Reg */
|
1289 |
|
|
|
1290 |
|
|
/* Reset LCD control line(/CS) and Send Start-Byte */
|
1291 |
|
|
LCD_nCS_StartByte(START_BYTE | LCD_WRITE_REG);
|
1292 |
|
|
}
|
1293 |
|
|
|
1294 |
|
|
|
1295 |
|
|
/**
|
1296 |
|
|
* @brief Writes 1 word to the LCD RAM.
|
1297 |
|
|
* @param RGB_Code: the pixel color in RGB mode (5-6-5).
|
1298 |
|
|
* @retval None
|
1299 |
|
|
*/
|
1300 |
|
|
void LCD_WriteRAMWord(uint16_t RGB_Code)
|
1301 |
|
|
{
|
1302 |
|
|
LCD_WriteRAM_Prepare();
|
1303 |
|
|
|
1304 |
|
|
LCD_WriteRAM(RGB_Code);
|
1305 |
|
|
|
1306 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
1307 |
|
|
}
|
1308 |
|
|
|
1309 |
|
|
/**
|
1310 |
|
|
* @brief Writes to the LCD RAM.
|
1311 |
|
|
* @param RGB_Code: the pixel color in RGB mode (5-6-5).
|
1312 |
|
|
* @retval None
|
1313 |
|
|
*/
|
1314 |
|
|
void LCD_WriteRAM(uint16_t RGB_Code)
|
1315 |
|
|
{
|
1316 |
|
|
SPI_SendData(LCD_SPI, RGB_Code >> 8);
|
1317 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1318 |
|
|
{
|
1319 |
|
|
}
|
1320 |
|
|
SPI_SendData(LCD_SPI, RGB_Code & 0xFF);
|
1321 |
|
|
while(SPI_GetFlagStatus(LCD_SPI, SPI_FLAG_BSY) != RESET)
|
1322 |
|
|
{
|
1323 |
|
|
}
|
1324 |
|
|
}
|
1325 |
|
|
|
1326 |
|
|
|
1327 |
|
|
/**
|
1328 |
|
|
* @brief Power on the LCD.
|
1329 |
|
|
* @param None
|
1330 |
|
|
* @retval None
|
1331 |
|
|
*/
|
1332 |
|
|
void LCD_PowerOn(void)
|
1333 |
|
|
{
|
1334 |
|
|
/* Power On sequence ---------------------------------------------------------*/
|
1335 |
|
|
LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
|
1336 |
|
|
LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
|
1337 |
|
|
LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
|
1338 |
|
|
LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
|
1339 |
|
|
_delay_(20); /* Dis-charge capacitor power voltage (200ms) */
|
1340 |
|
|
LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
|
1341 |
|
|
LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
|
1342 |
|
|
_delay_(5); /* Delay 50 ms */
|
1343 |
|
|
LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
|
1344 |
|
|
_delay_(5); /* delay 50 ms */
|
1345 |
|
|
LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
|
1346 |
|
|
LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
|
1347 |
|
|
_delay_(5); /* delay 50 ms */
|
1348 |
|
|
LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
|
1349 |
|
|
}
|
1350 |
|
|
|
1351 |
|
|
|
1352 |
|
|
/**
|
1353 |
|
|
* @brief Enables the Display.
|
1354 |
|
|
* @param None
|
1355 |
|
|
* @retval None
|
1356 |
|
|
*/
|
1357 |
|
|
void LCD_DisplayOn(void)
|
1358 |
|
|
{
|
1359 |
|
|
/* Display On */
|
1360 |
|
|
LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
|
1361 |
|
|
}
|
1362 |
|
|
|
1363 |
|
|
|
1364 |
|
|
/**
|
1365 |
|
|
* @brief Disables the Display.
|
1366 |
|
|
* @param None
|
1367 |
|
|
* @retval None
|
1368 |
|
|
*/
|
1369 |
|
|
void LCD_DisplayOff(void)
|
1370 |
|
|
{
|
1371 |
|
|
/* Display Off */
|
1372 |
|
|
LCD_WriteReg(LCD_REG_7, 0x0);
|
1373 |
|
|
}
|
1374 |
|
|
|
1375 |
|
|
|
1376 |
|
|
/**
|
1377 |
|
|
* @brief Configures LCD control lines in Output Push-Pull mode.
|
1378 |
|
|
* @param None
|
1379 |
|
|
* @retval None
|
1380 |
|
|
*/
|
1381 |
|
|
void LCD_CtrlLinesConfig(void)
|
1382 |
|
|
{
|
1383 |
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
1384 |
|
|
|
1385 |
|
|
RCC_AHBPeriphClockCmd(LCD_NCS_GPIO_CLK, ENABLE);
|
1386 |
|
|
|
1387 |
|
|
/* Configure NCS (PF.02) in Output Push-Pull mode */
|
1388 |
|
|
GPIO_InitStructure.GPIO_Pin = LCD_NCS_PIN;
|
1389 |
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
|
1390 |
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
|
1391 |
|
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
1392 |
|
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
|
1393 |
|
|
GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
|
1394 |
|
|
|
1395 |
|
|
LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
|
1396 |
|
|
}
|
1397 |
|
|
|
1398 |
|
|
|
1399 |
|
|
/**
|
1400 |
|
|
* @brief Sets or reset LCD control lines.
|
1401 |
|
|
* @param GPIOx: where x can be B or D to select the GPIO peripheral.
|
1402 |
|
|
* @param CtrlPins: the Control line.
|
1403 |
|
|
* This parameter can be:
|
1404 |
|
|
* @arg LCD_NCS_PIN: Chip Select pin
|
1405 |
|
|
* @arg LCD_NWR_PIN: Read/Write Selection pin
|
1406 |
|
|
* @arg LCD_RS_PIN: Register/RAM Selection pin
|
1407 |
|
|
* @param BitVal: specifies the value to be written to the selected bit.
|
1408 |
|
|
* This parameter can be:
|
1409 |
|
|
* @arg Bit_RESET: to clear the port pin
|
1410 |
|
|
* @arg Bit_SET: to set the port pin
|
1411 |
|
|
* @retval None
|
1412 |
|
|
*/
|
1413 |
|
|
void LCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, BitAction BitVal)
|
1414 |
|
|
{
|
1415 |
|
|
/* Set or Reset the control line */
|
1416 |
|
|
GPIO_WriteBit(GPIOx, CtrlPins, BitVal);
|
1417 |
|
|
}
|
1418 |
|
|
|
1419 |
|
|
|
1420 |
|
|
/**
|
1421 |
|
|
* @brief Configures the LCD_SPI interface.
|
1422 |
|
|
* @param None
|
1423 |
|
|
* @retval None
|
1424 |
|
|
*/
|
1425 |
|
|
void LCD_SPIConfig(void)
|
1426 |
|
|
{
|
1427 |
|
|
SPI_InitTypeDef SPI_InitStructure;
|
1428 |
|
|
GPIO_InitTypeDef GPIO_InitStructure;
|
1429 |
|
|
|
1430 |
|
|
/* Enable LCD_SPI_SCK_GPIO_CLK, LCD_SPI_MISO_GPIO_CLK and LCD_SPI_MOSI_GPIO_CLK clock */
|
1431 |
|
|
RCC_AHBPeriphClockCmd(LCD_SPI_SCK_GPIO_CLK | LCD_SPI_MISO_GPIO_CLK | LCD_SPI_MOSI_GPIO_CLK, ENABLE);
|
1432 |
|
|
|
1433 |
|
|
/* Enable LCD_SPI and SYSCFG clock */
|
1434 |
|
|
RCC_APB2PeriphClockCmd(LCD_SPI_CLK | RCC_APB2Periph_SYSCFG, ENABLE);
|
1435 |
|
|
|
1436 |
|
|
/* Configure LCD_SPI SCK pin */
|
1437 |
|
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_SCK_PIN;
|
1438 |
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
|
1439 |
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
|
1440 |
|
|
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
|
1441 |
|
|
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
|
1442 |
|
|
GPIO_Init(LCD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
|
1443 |
|
|
|
1444 |
|
|
/* Configure LCD_SPI MISO pin */
|
1445 |
|
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_MISO_PIN;
|
1446 |
|
|
GPIO_Init(LCD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
|
1447 |
|
|
|
1448 |
|
|
/* Configure LCD_SPI MOSI pin */
|
1449 |
|
|
GPIO_InitStructure.GPIO_Pin = LCD_SPI_MOSI_PIN;
|
1450 |
|
|
GPIO_Init(LCD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
|
1451 |
|
|
|
1452 |
|
|
/* Connect PE.13 to SPI SCK */
|
1453 |
|
|
GPIO_PinAFConfig(LCD_SPI_SCK_GPIO_PORT, LCD_SPI_SCK_SOURCE, LCD_SPI_SCK_AF);
|
1454 |
|
|
|
1455 |
|
|
/* Connect PE.14 to SPI MISO */
|
1456 |
|
|
GPIO_PinAFConfig(LCD_SPI_MISO_GPIO_PORT, LCD_SPI_MISO_SOURCE, LCD_SPI_MISO_AF);
|
1457 |
|
|
|
1458 |
|
|
/* Connect PE.15 to SPI MOSI */
|
1459 |
|
|
GPIO_PinAFConfig(LCD_SPI_MOSI_GPIO_PORT, LCD_SPI_MOSI_SOURCE, LCD_SPI_MOSI_AF);
|
1460 |
|
|
|
1461 |
|
|
SPI_DeInit(LCD_SPI);
|
1462 |
|
|
|
1463 |
|
|
/* SPI Config */
|
1464 |
|
|
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
|
1465 |
|
|
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
|
1466 |
|
|
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
|
1467 |
|
|
SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
|
1468 |
|
|
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
|
1469 |
|
|
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
|
1470 |
|
|
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
|
1471 |
|
|
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
|
1472 |
|
|
SPI_InitStructure.SPI_CRCPolynomial = 7;
|
1473 |
|
|
SPI_Init(LCD_SPI, &SPI_InitStructure);
|
1474 |
|
|
|
1475 |
|
|
/* SPI enable */
|
1476 |
|
|
SPI_Cmd(LCD_SPI, ENABLE);
|
1477 |
|
|
}
|
1478 |
|
|
|
1479 |
|
|
/**
|
1480 |
|
|
* @brief Displays a pixel.
|
1481 |
|
|
* @param x: pixel x.
|
1482 |
|
|
* @param y: pixel y.
|
1483 |
|
|
* @retval None
|
1484 |
|
|
*/
|
1485 |
|
|
static void PutPixel(int16_t x, int16_t y)
|
1486 |
|
|
{
|
1487 |
|
|
if(x < 0 || x > 239 || y < 0 || y > 319)
|
1488 |
|
|
{
|
1489 |
|
|
return;
|
1490 |
|
|
}
|
1491 |
|
|
LCD_DrawLine(x, y, 1, LCD_DIR_HORIZONTAL);
|
1492 |
|
|
}
|
1493 |
|
|
|
1494 |
|
|
#ifndef USE_Delay
|
1495 |
|
|
/**
|
1496 |
|
|
* @brief Inserts a delay time.
|
1497 |
|
|
* @param nCount: specifies the delay time length.
|
1498 |
|
|
* @retval None
|
1499 |
|
|
*/
|
1500 |
|
|
static void delay(__IO uint32_t nCount)
|
1501 |
|
|
{
|
1502 |
|
|
__IO uint32_t index = 0;
|
1503 |
|
|
for(index = (34000 * nCount); index != 0; index--)
|
1504 |
|
|
{
|
1505 |
|
|
}
|
1506 |
|
|
}
|
1507 |
|
|
#endif /* USE_Delay*/
|
1508 |
|
|
/**
|
1509 |
|
|
* @}
|
1510 |
|
|
*/
|
1511 |
|
|
|
1512 |
|
|
/**
|
1513 |
|
|
* @}
|
1514 |
|
|
*/
|
1515 |
|
|
|
1516 |
|
|
/**
|
1517 |
|
|
* @}
|
1518 |
|
|
*/
|
1519 |
|
|
|
1520 |
|
|
/**
|
1521 |
|
|
* @}
|
1522 |
|
|
*/
|
1523 |
|
|
|
1524 |
|
|
/**
|
1525 |
|
|
* @}
|
1526 |
|
|
*/
|
1527 |
|
|
|
1528 |
|
|
/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
|