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952 lines
26 KiB
952 lines
26 KiB
/**
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******************************************************************************
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* 文件名程: bsp_lcd.c
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* 作 者: 硬石嵌入式开发团队
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* 版 本: V1.0
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* 编写日期: 2015-10-04
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* 功 能: 液晶底层驱动函数实现
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******************************************************************************
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* 说明：
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* 本例程配套硬石stm32开发板YS-F1Pro使用。
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*
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* 淘宝：
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* 论坛：http://www.ing10bbs.com
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* 版权归硬石嵌入式开发团队所有，请勿商用。
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******************************************************************************
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*/
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/* 包含头文件 ----------------------------------------------------------------*/
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#include "bsp_lcd.h"
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#include "ascii.h"
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#include "bsp_touch.h"
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/* 私有类型定义 --------------------------------------------------------------*/
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/* 私有宏定义 ----------------------------------------------------------------*/
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/* 私有变量 ------------------------------------------------------------------*/
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// 保存当前检查到的液晶模块ID
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volatile u32 lcd_id=0;
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u16 TextColor=BLACK,BackColor=BACKGROUND;
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/* 扩展变量 ------------------------------------------------------------------*/
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/* 私有函数原形 --------------------------------------------------------------*/
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/* 函数体 --------------------------------------------------------------------*/
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/**
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* 函数功能: 用于 LCD 简单延时函数
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* 输入参数: nCount ：延时计数值
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* 返 回 值: 无
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* 说 明：无
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*/
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static void LCD_DELAY( volatile u32 nCount )
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{
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for ( ; nCount != 0; nCount -- );
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}
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/**
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* 函数功能: 初始化LCD的IO引脚
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* 输入参数: 无
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* 返 回 值: 无
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* 说 明：无
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*/
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static void LCD_GPIO_Config ( void )
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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/* 使能复用IO时钟：复用为fsmc功能 */
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RCC_APB2PeriphClockCmd ( RCC_APB2Periph_AFIO, ENABLE );
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/* 使能FSMC对应相应管脚时钟 */
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RCC_APB2PeriphClockCmd ( RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE, ENABLE );
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FSMC_LCD_CS_APBxClock_FUN ( FSMC_LCD_CS_CLK, ENABLE );
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FSMC_LCD_DC_APBxClock_FUN ( FSMC_LCD_DC_CLK, ENABLE );
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FSMC_LCD_BK_APBxClock_FUN ( FSMC_LCD_BK_CLK, ENABLE );
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/* 配置FSMC相对应的数据线,FSMC-D0~D15: PD 14 15 0 1,PE 7 8 9 10 11 12 13 14 15,PD 8 9 10 */
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 |
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GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15;
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GPIO_Init ( GPIOD, & GPIO_InitStructure );
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 |
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GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 |
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GPIO_Pin_15;
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GPIO_Init ( GPIOE, & GPIO_InitStructure );
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/* 配置FSMC相对应的控制线
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* PD4-FSMC_NOE :LCD-RD
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* PD5-FSMC_NWE :LCD-WR
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* PG12-FSMC_NE4 :LCD-CS
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* PF0-FSMC_A0 :LCD-DC
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*/
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_Init (GPIOD, & GPIO_InitStructure );
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
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GPIO_Init (GPIOD, & GPIO_InitStructure );
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GPIO_InitStructure.GPIO_Pin = FSMC_LCD_CS_PIN;
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GPIO_Init ( FSMC_LCD_CS_PORT, & GPIO_InitStructure );
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GPIO_InitStructure.GPIO_Pin = FSMC_LCD_DC_PIN;
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GPIO_Init ( FSMC_LCD_DC_PORT, & GPIO_InitStructure );
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/* 配置LCD背光控制管脚BK*/
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Pin = FSMC_LCD_BK_PIN;
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GPIO_Init ( FSMC_LCD_BK_PORT, & GPIO_InitStructure );
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/* 初始化时先不开背光 */
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GPIO_ResetBits(FSMC_LCD_BK_PORT,FSMC_LCD_BK_PIN);
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}
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/**
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* 函数功能: LCD FSMC 模式配置
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* 输入参数: 无
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* 返 回 值: 无
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* 说 明：读写使用相同时间配置
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*/
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static void LCD_FSMC_Config ( void )
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{
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FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
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FSMC_NORSRAMTimingInitTypeDef fsmc_lcd;
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/* 使能FSMC时钟*/
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RCC_AHBPeriphClockCmd ( RCC_AHBPeriph_FSMC, ENABLE );
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fsmc_lcd.FSMC_AddressSetupTime = 0x02; //地址建立时间
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fsmc_lcd.FSMC_AddressHoldTime = 0x00; //地址保持时间
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fsmc_lcd.FSMC_DataSetupTime = 0x05; //数据建立时间
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fsmc_lcd.FSMC_BusTurnAroundDuration = 0x00;
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fsmc_lcd.FSMC_CLKDivision = 0x00;
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fsmc_lcd.FSMC_DataLatency = 0x00;
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fsmc_lcd.FSMC_AccessMode = FSMC_AccessMode_B; //模式B比较适用于LCD
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FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_LCD_BACKx;
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FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
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FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR;
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FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
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FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
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FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
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FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
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FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
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FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
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FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
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FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
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FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
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FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = & fsmc_lcd;
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FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = & fsmc_lcd;
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FSMC_NORSRAMInit ( & FSMC_NORSRAMInitStructure );
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/* 使能 FSMC_Bank1_NORSRAM4 */
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FSMC_NORSRAMCmd ( FSMC_LCD_BACKx, ENABLE );
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}
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/**
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* 函数功能: 初始化LCD寄存器
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* 输入参数: 无
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* 返 回 值: 无
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* 说 明：需要配置哪些寄存器，需要设置什么值与液晶厂家生产环境密切相关，
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* 所以这些参数由厂家提供，不同厂家可能不同。也可以根据ILI9488芯片
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* 手册内容参考修改。
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*/
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static void ILI9488_REG_Config ( void )
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{
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//************* Start Initial Sequence **********//
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/* PGAMCTRL (Positive Gamma Control) (E0h) */
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LCD_WRITE_CMD(0xE0);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x07);
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LCD_WRITE_DATA(0x10);
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LCD_WRITE_DATA(0x09);
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LCD_WRITE_DATA(0x17);
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LCD_WRITE_DATA(0x0B);
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LCD_WRITE_DATA(0x41);
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LCD_WRITE_DATA(0x89);
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LCD_WRITE_DATA(0x4B);
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LCD_WRITE_DATA(0x0A);
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LCD_WRITE_DATA(0x0C);
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LCD_WRITE_DATA(0x0E);
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LCD_WRITE_DATA(0x18);
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LCD_WRITE_DATA(0x1B);
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LCD_WRITE_DATA(0x0F);
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/* NGAMCTRL (Negative Gamma Control) (E1h) */
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LCD_WRITE_CMD(0XE1);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x17);
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LCD_WRITE_DATA(0x1A);
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LCD_WRITE_DATA(0x04);
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LCD_WRITE_DATA(0x0E);
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LCD_WRITE_DATA(0x06);
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LCD_WRITE_DATA(0x2F);
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LCD_WRITE_DATA(0x45);
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LCD_WRITE_DATA(0x43);
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LCD_WRITE_DATA(0x02);
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LCD_WRITE_DATA(0x0A);
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LCD_WRITE_DATA(0x09);
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LCD_WRITE_DATA(0x32);
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LCD_WRITE_DATA(0x36);
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LCD_WRITE_DATA(0x0F);
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/* Adjust Control 3 (F7h) */
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LCD_WRITE_CMD(0XF7);
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LCD_WRITE_DATA(0xA9);
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LCD_WRITE_DATA(0x51);
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LCD_WRITE_DATA(0x2C);
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LCD_WRITE_DATA(0x82);/* DSI write DCS command, use loose packet RGB 666 */
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/* Power Control 1 (C0h) */
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LCD_WRITE_CMD(0xC0);
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LCD_WRITE_DATA(0x11);
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LCD_WRITE_DATA(0x09);
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/* Power Control 2 (C1h) */
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LCD_WRITE_CMD(0xC1);
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LCD_WRITE_DATA(0x41);
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/* VCOM Control (C5h) */
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LCD_WRITE_CMD(0XC5);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x0A);
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LCD_WRITE_DATA(0x80);
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/* Frame Rate Control (In Normal Mode/Full Colors) (B1h) */
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LCD_WRITE_CMD(0xB1);
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LCD_WRITE_DATA(0xB0);
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LCD_WRITE_DATA(0x11);
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/* Display Inversion Control (B4h) */
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LCD_WRITE_CMD(0xB4);
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LCD_WRITE_DATA(0x02);
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/* Display Function Control (B6h) */
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LCD_WRITE_CMD(0xB6);
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LCD_WRITE_DATA(0x02);
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LCD_WRITE_DATA(0x22);
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/* Entry Mode Set (B7h) */
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LCD_WRITE_CMD(0xB7);
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LCD_WRITE_DATA(0xc6);
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/* HS Lanes Control (BEh) */
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LCD_WRITE_CMD(0xBE);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x04);
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/* Set Image Function (E9h) */
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LCD_WRITE_CMD(0xE9);
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LCD_WRITE_DATA(0x00);
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/* 设置屏幕方向和尺寸 */
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LCD_SetDirection(LCD_DIRECTION);
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/* Interface Pixel Format (3Ah) */
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LCD_WRITE_CMD(0x3A);
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LCD_WRITE_DATA(0x55);/* 0x55 : 16 bits/pixel */
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/* Sleep Out (11h) */
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LCD_WRITE_CMD(0x11);
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LCD_DELAY(120*2000);
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/* Display On */
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LCD_WRITE_CMD(0x29);
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}
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/**
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* 函数功能: 读取液晶模组ID
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* 输入参数: 无
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* 返 回 值: 液晶模组的ID
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* 说 明：这是通过读取04H寄存器获取得到液晶模组ID，该ID值有液晶厂家编程，不同液晶
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* 厂家的液晶模组得到的ID值可能不同。这也可以分辨不同型号的液晶模组。
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*/
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static u32 LCD_ReadID(void)
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{
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u16 buf[4];
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LCD_WRITE_CMD(0x04);
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buf[0] = LCD_READ_DATA(); // 第一个读取数据无效
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buf[1] = LCD_READ_DATA()&0x00ff; // 只有低8位数据有效
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buf[2] = LCD_READ_DATA()&0x00ff; // 只有低8位数据有效
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buf[3] = LCD_READ_DATA()&0x00ff; // 只有低8位数据有效
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return (buf[1] << 16) + (buf[2] << 8) + buf[3];
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}
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/**
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* 函数功能: 画板初始化，用于取色用
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* 输入参数: 无
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* 返 回 值: 无
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* 说 明: 无
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*/
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void Palette_Init(void)
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{
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/* 整屏清为白色 */
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LCD_Clear( 0, 0,480, 320,BACKGROUND);
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LCD_Clear( 0,280, 68, 40, LIGHTBLUE);
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LCD_DispString_EN(16,285,"SEL",LIGHTBLUE,BLACK,FONT_24);
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LCD_Clear( 68,280, 68, 40, RED );
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LCD_DispString_EN(93,285,"UP",RED,BLACK,FONT_24);
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LCD_Clear(136,280, 68, 40, GREEN );
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LCD_DispString_EN(145,285,"DOWN",GREEN,BLACK,FONT_24);
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LCD_Clear(204,280, 68, 40, ORANGE);
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LCD_DispString_EN(214,285,"LEFT",ORANGE,BLACK,FONT_24);
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LCD_Clear(272,280, 68, 40, CYAN);
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LCD_DispString_EN(275,285,"RIGHT",CYAN,BLACK,FONT_24);
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LCD_Clear(340,280, 68, 40, YELLOW);
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LCD_DispString_EN(356,285,"KEY1",YELLOW,BLACK,FONT_24);
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LCD_Clear(408,280, 72, 40, MAGENTA);
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LCD_DispString_EN(424,285,"KEY2",MAGENTA,BLACK,FONT_24);
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}
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/**
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* 函数功能: 液晶模组初始化
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* 输入参数: 无
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* 返 回 值: 无
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* 说 明：无
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*/
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u32 BSP_LCD_Init(void)
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{
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LCD_GPIO_Config();
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LCD_FSMC_Config();
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lcd_id=LCD_ReadID();
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if(lcd_id==0x548066 || lcd_id==0x8066)
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{
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ILI9488_REG_Config();
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}
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/* 触摸屏IO初始化 */
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Touch_Init_GPIO();
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Palette_Init();
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/* 开背光 */
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LCD_BK_ON();
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return lcd_id;
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}
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/**
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* 函数功能: 设置LCD的GRAM的扫描方向
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* 输入参数: ucOption ：选择GRAM的扫描方向
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* 可选值：1 :原点在屏幕左上角 X*Y=320*480
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* 2 :原点在屏幕右上角 X*Y=480*320
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* 3 :原点在屏幕右下角 X*Y=320*480
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* 4 :原点在屏幕左下角 X*Y=480*320
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* 返 回 值: 无
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* 说 明：无
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*/
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void LCD_SetDirection( u8 ucOption )
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{
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/**
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* Memory Access Control (36h)
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* This command defines read/write scanning direction of the frame memory.
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*
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* These 3 bits control the direction from the MPU to memory write/read.
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*
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* Bit Symbol Name Description
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* D7 MY Row Address Order -- 以X轴镜像
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* D6 MX Column Address Order -- 以Y轴镜像
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* D5 MV Row/Column Exchange -- X轴与Y轴交换
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* D4 ML Vertical Refresh Order LCD vertical refresh direction control.
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*
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* D3 BGR RGB-BGR Order Color selector switch control
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* (0 = RGB color filter panel, 1 = BGR color filter panel )
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* D2 MH Horizontal Refresh ORDER LCD horizontal refreshing direction control.
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* D1 X Reserved Reserved
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* D0 X Reserved Reserved
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*/
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switch ( ucOption )
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{
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case 1:
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// 左上角->右下角
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// (0,0) ___ x(320)
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// |
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// |
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// | y(480)
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LCD_WRITE_CMD(0x36);
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LCD_WRITE_DATA(0x08);
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LCD_WRITE_CMD(0x2A);
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LCD_WRITE_DATA(0x00); /* x start */
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x01); /* x end */
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LCD_WRITE_DATA(0x3F);
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LCD_WRITE_CMD(0x2B);
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LCD_WRITE_DATA(0x00); /* y start */
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x01); /* y end */
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LCD_WRITE_DATA(0xDF);
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break;
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case 2:
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// 右上角-> 左下角
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// y(320)___ (0,0)
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// |
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// |
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// |x(480)
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LCD_WRITE_CMD(0x36);
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LCD_WRITE_DATA(0x68);
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LCD_WRITE_CMD(0x2A);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x01);
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LCD_WRITE_DATA(0xDF);
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LCD_WRITE_CMD(0x2B);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x01);
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LCD_WRITE_DATA(0x3F);
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break;
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case 3:
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// 右下角->左上角
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// |y(480)
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// |
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// x(320) ___|(0,0)
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LCD_WRITE_CMD(0x36);
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LCD_WRITE_DATA(0xC8);
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LCD_WRITE_CMD(0x2A);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x00);
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LCD_WRITE_DATA(0x01);
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LCD_WRITE_DATA(0x3F);
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LCD_WRITE_CMD(0x2B);
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LCD_WRITE_DATA(0x00);
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|
LCD_WRITE_DATA(0x00);
|
|
LCD_WRITE_DATA(0x01);
|
|
LCD_WRITE_DATA(0x3F);
|
|
break;
|
|
|
|
case 4:
|
|
// 左下角->右上角
|
|
// |x(480)
|
|
// |
|
|
// |___ y(320)
|
|
LCD_WRITE_CMD(0x36);
|
|
LCD_WRITE_DATA(0xA8);
|
|
|
|
LCD_WRITE_CMD(0x2A);
|
|
LCD_WRITE_DATA(0x00);
|
|
LCD_WRITE_DATA(0x00);
|
|
LCD_WRITE_DATA(0x01);
|
|
LCD_WRITE_DATA(0xDF);
|
|
|
|
LCD_WRITE_CMD(0x2B);
|
|
LCD_WRITE_DATA(0x00);
|
|
LCD_WRITE_DATA(0x00);
|
|
LCD_WRITE_DATA(0x01);
|
|
LCD_WRITE_DATA(0x3F);
|
|
break;
|
|
}
|
|
/* 开始向GRAM写入数据 */
|
|
LCD_WRITE_CMD (0x2C);
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在LCD显示器上开辟一个窗口
|
|
* 输入参数: usX ：在特定扫描方向下窗口的起点X坐标
|
|
* usY ：在特定扫描方向下窗口的起点Y坐标
|
|
* usWidth ：窗口的宽度
|
|
* usHeight ：窗口的高度
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_OpenWindow(u16 usX, u16 usY, u16 usWidth, u16 usHeight)
|
|
{
|
|
LCD_WRITE_CMD(0x2A ); /* 设置X坐标 */
|
|
LCD_WRITE_DATA(usX>>8); /* 设置起始点：先高8位 */
|
|
LCD_WRITE_DATA(usX&0xff); /* 然后低8位 */
|
|
LCD_WRITE_DATA((usX+usWidth-1)>>8); /* 设置结束点：先高8位 */
|
|
LCD_WRITE_DATA((usX+usWidth-1)&0xff);/* 然后低8位 */
|
|
|
|
LCD_WRITE_CMD(0x2B); /* 设置Y坐标*/
|
|
LCD_WRITE_DATA(usY>>8); /* 设置起始点：先高8位 */
|
|
LCD_WRITE_DATA(usY&0xff); /* 然后低8位 */
|
|
LCD_WRITE_DATA((usY+usHeight-1)>>8); /* 设置结束点：先高8位 */
|
|
LCD_WRITE_DATA((usY+usHeight-1)&0xff);/* 然后低8位 */
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 设定LCD的光标坐标
|
|
* 输入参数: usX ：在特定扫描方向下窗口的起点X坐标
|
|
* usY ：在特定扫描方向下窗口的起点Y坐标
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
static void LCD_SetCursor ( u16 usX, u16 usY )
|
|
{
|
|
LCD_OpenWindow ( usX, usY, 1, 1 );
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在LCD显示器上以某一颜色填充像素点
|
|
* 输入参数: ulAmout_Point ：要填充颜色的像素点的总数目
|
|
* usColor ：颜色
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
#if defined ( __CC_ARM ) // 使用Keil编译环境
|
|
static __inline void LCD_FillColor ( u32 ulAmout_Point, u16 usColor )
|
|
{
|
|
u32 i = 0;
|
|
|
|
/* 开始向GRAM写入数据 */
|
|
LCD_WRITE_CMD ( 0x2C );
|
|
|
|
for ( i = 0; i < ulAmout_Point; i ++ )
|
|
LCD_WRITE_DATA ( usColor );
|
|
}
|
|
#elif defined ( __ICCARM__ ) // 使用IAR编译环境
|
|
#pragma inline
|
|
static void LCD_FillColor ( u32 ulAmout_Point, u16 usColor )
|
|
{
|
|
u32 i = 0;
|
|
|
|
/* 开始向GRAM写入数据 */
|
|
LCD_WRITE_CMD ( 0x2C );
|
|
|
|
for ( i = 0; i < ulAmout_Point; i ++ )
|
|
LCD_WRITE_DATA ( usColor );
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* 函数功能: 对LCD显示器的某一窗口以某种颜色进行清屏
|
|
* 输入参数: usX ：在特定扫描方向下窗口的起点X坐标
|
|
* usY ：在特定扫描方向下窗口的起点Y坐标
|
|
* usWidth ：窗口的宽度
|
|
* usHeight ：窗口的高度
|
|
* usColor ：颜色
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_Clear(u16 usX,u16 usY,u16 usWidth,u16 usHeight,u16 usColor)
|
|
{
|
|
#if 0 /* 优化代码执行速度 */
|
|
u32 i;
|
|
u32 n,m;
|
|
/* 在LCD显示器上开辟一个窗口 */
|
|
LCD_OpenWindow(usX,usY,usWidth,usHeight);
|
|
/* 开始向GRAM写入数据 */
|
|
LCD_WRITE_CMD(0x2C);
|
|
|
|
m=usWidth * usHeight;
|
|
n=m/8;
|
|
m=m-8*n;
|
|
for(i=0;i<n;i++)
|
|
{
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
LCD_WRITE_DATA(usColor);
|
|
}
|
|
for(i=0;i<m;i++)
|
|
{
|
|
LCD_WRITE_DATA(usColor);
|
|
}
|
|
#else
|
|
/* 在LCD显示器上开辟一个窗口 */
|
|
LCD_OpenWindow(usX,usY,usWidth,usHeight);
|
|
/* 在LCD显示器上以某一颜色填充像素点 */
|
|
LCD_FillColor(usWidth*usHeight,usColor);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 对LCD显示器的某一点以某种颜色进行填充
|
|
* 输入参数: usX ：在特定扫描方向下窗口的起点X坐标
|
|
* usY ：在特定扫描方向下窗口的起点Y坐标
|
|
* usColor ：颜色
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_SetPointPixel(u16 usX,u16 usY,u16 usColor)
|
|
{
|
|
if((usX<LCD_DEFAULT_WIDTH)&&(usY<LCD_DEFAULT_HEIGTH))
|
|
{
|
|
LCD_OpenWindow(usX,usY,1,1);
|
|
LCD_FillColor(1,usColor);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 对LCD显示器的某一点以某种颜色进行填充
|
|
* 输入参数: 无
|
|
* 返 回 值: u16:像素数据RGB565
|
|
* 说 明：无
|
|
*/
|
|
static u16 LCD_Read_PixelData ( void )
|
|
{
|
|
u16 usR=0, usG=0, usB=0 ;
|
|
|
|
LCD_WRITE_CMD ( 0x2E ); /* 读数据 */
|
|
usR = LCD_READ_DATA (); /*FIRST READ OUT DUMMY DATA*/
|
|
|
|
usR = LCD_READ_DATA (); /*READ OUT RED DATA */
|
|
usB = LCD_READ_DATA (); /*READ OUT BLUE DATA*/
|
|
usG = LCD_READ_DATA (); /*READ OUT GREEN DATA*/
|
|
|
|
return (((usR>>11)<<11) | ((usG>>10)<<5) | (usB>>11));
|
|
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 获取 LCD 显示器上某一个坐标点的像素数据
|
|
* 输入参数: usX ：在特定扫描方向下窗口的起点X坐标
|
|
* usY ：在特定扫描方向下窗口的起点Y坐标
|
|
* 返 回 值: u16:像素数据RGB565
|
|
* 说 明：无
|
|
*/
|
|
u16 LCD_GetPointPixel ( u16 usX, u16 usY )
|
|
{
|
|
u16 usPixelData;
|
|
|
|
LCD_SetCursor ( usX, usY );
|
|
|
|
usPixelData = LCD_Read_PixelData ();
|
|
|
|
return usPixelData;
|
|
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在 LCD 显示器上使用 Bresenham 算法画线段
|
|
* 输入参数: usX1 ：在特定扫描方向下窗口的起点X坐标
|
|
* usY1 ：在特定扫描方向下窗口的起点Y坐标
|
|
* usX2 ：在特定扫描方向下线段的另一个端点X坐标
|
|
* usY2 ：在特定扫描方向下线段的另一个端点Y坐标
|
|
* usColor ：线段的颜色
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_DrawLine(u16 usX1,u16 usY1,u16 usX2,u16 usY2,u16 usColor)
|
|
{
|
|
u16 us;
|
|
u16 usX_Current, usY_Current;
|
|
s32 lError_X=0,lError_Y=0,lDelta_X,lDelta_Y,lDistance;
|
|
s32 lIncrease_X, lIncrease_Y;
|
|
|
|
lDelta_X=usX2-usX1; //计算坐标增量
|
|
lDelta_Y=usY2-usY1;
|
|
usX_Current = usX1;
|
|
usY_Current = usY1;
|
|
|
|
if(lDelta_X>0)
|
|
{
|
|
lIncrease_X=1; //设置单步方向
|
|
}
|
|
else if(lDelta_X==0)
|
|
{
|
|
lIncrease_X=0;//垂直线
|
|
}
|
|
else
|
|
{
|
|
lIncrease_X=-1;
|
|
lDelta_X=-lDelta_X;
|
|
}
|
|
|
|
if(lDelta_Y>0)
|
|
{
|
|
lIncrease_Y=1;
|
|
}
|
|
else if(lDelta_Y==0)
|
|
{
|
|
lIncrease_Y=0;//水平线
|
|
}
|
|
else
|
|
{
|
|
lIncrease_Y=-1;
|
|
lDelta_Y=-lDelta_Y;
|
|
}
|
|
|
|
if(lDelta_X>lDelta_Y)
|
|
{
|
|
lDistance=lDelta_X; //选取基本增量坐标轴
|
|
}
|
|
else
|
|
{
|
|
lDistance=lDelta_Y;
|
|
}
|
|
|
|
for(us=0;us<=lDistance+1;us++)//画线输出
|
|
{
|
|
LCD_SetPointPixel(usX_Current,usY_Current,usColor);//画点
|
|
lError_X+=lDelta_X;
|
|
lError_Y+=lDelta_Y;
|
|
if(lError_X>lDistance)
|
|
{
|
|
lError_X-=lDistance;
|
|
usX_Current+=lIncrease_X;
|
|
}
|
|
if(lError_Y>lDistance)
|
|
{
|
|
lError_Y-=lDistance;
|
|
usY_Current+=lIncrease_Y;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在LCD显示器上画一个矩形
|
|
* 输入参数: usX_Start ：在特定扫描方向下窗口的起点X坐标
|
|
* usY_Start ：在特定扫描方向下窗口的起点Y坐标
|
|
* usWidth：矩形的宽度（单位：像素）
|
|
* usHeight：矩形的高度（单位：像素）
|
|
* usColor ：矩形的颜色
|
|
* ucFilled ：选择是否填充该矩形
|
|
* 可选值：0：空心矩形
|
|
* 1：实心矩形
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_DrawRectangle ( u16 usX_Start, u16 usY_Start, u16 usWidth, u16 usHeight, u16 usColor, u8 ucFilled )
|
|
{
|
|
if(ucFilled)
|
|
{
|
|
LCD_Clear ( usX_Start, usY_Start, usWidth, usHeight, usColor);
|
|
}
|
|
else
|
|
{
|
|
LCD_DrawLine ( usX_Start, usY_Start, usX_Start + usWidth - 1, usY_Start, usColor );
|
|
LCD_DrawLine ( usX_Start, usY_Start + usHeight - 1, usX_Start + usWidth - 1, usY_Start + usHeight - 1, usColor );
|
|
LCD_DrawLine ( usX_Start, usY_Start, usX_Start, usY_Start + usHeight - 1, usColor );
|
|
LCD_DrawLine ( usX_Start + usWidth - 1, usY_Start, usX_Start + usWidth - 1, usY_Start + usHeight - 1, usColor );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在 LCD 显示器上使用 Bresenham 算法画圆
|
|
* 输入参数: usX_Center ：在特定扫描方向下圆心的X坐标
|
|
* usY_Center ：在特定扫描方向下圆心的Y坐标
|
|
* usRadius：圆的半径（单位：像素）
|
|
* usColor ：圆的颜色
|
|
* ucFilled ：选择是否填充该圆
|
|
* 可选值：0：空心圆
|
|
* 1：实心圆
|
|
* 返 回 值: 无
|
|
* 说 明：无
|
|
*/
|
|
void LCD_DrawCircle(u16 usX_Center,u16 usY_Center,u16 usRadius,u16 usColor,u8 ucFilled)
|
|
{
|
|
s16 sCurrentX, sCurrentY;
|
|
s16 sError;
|
|
|
|
sCurrentX=0;
|
|
sCurrentY=usRadius;
|
|
sError=3-(usRadius<<1); //判断下个点位置的标志
|
|
|
|
while(sCurrentX<=sCurrentY)
|
|
{
|
|
s16 sCountY;
|
|
if(ucFilled)
|
|
{
|
|
for(sCountY=sCurrentX;sCountY<=sCurrentY;sCountY++)
|
|
{
|
|
LCD_SetPointPixel(usX_Center+sCurrentX,usY_Center+sCountY,usColor); //1，研究对象
|
|
LCD_SetPointPixel(usX_Center-sCurrentX,usY_Center+sCountY,usColor); //2
|
|
LCD_SetPointPixel(usX_Center-sCountY, usY_Center+sCurrentX,usColor); //3
|
|
LCD_SetPointPixel(usX_Center-sCountY, usY_Center-sCurrentX,usColor); //4
|
|
LCD_SetPointPixel(usX_Center-sCurrentX,usY_Center-sCountY,usColor); //5
|
|
LCD_SetPointPixel(usX_Center+sCurrentX,usY_Center-sCountY,usColor); //6
|
|
LCD_SetPointPixel(usX_Center+sCountY, usY_Center-sCurrentX,usColor); //7
|
|
LCD_SetPointPixel(usX_Center+sCountY, usY_Center+sCurrentX,usColor); //0
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LCD_SetPointPixel(usX_Center+sCurrentX,usY_Center+sCurrentY,usColor); //1，研究对象
|
|
LCD_SetPointPixel(usX_Center-sCurrentX,usY_Center+sCurrentY,usColor); //2
|
|
LCD_SetPointPixel(usX_Center-sCurrentY,usY_Center+sCurrentX,usColor); //3
|
|
LCD_SetPointPixel(usX_Center-sCurrentY,usY_Center-sCurrentX,usColor); //4
|
|
LCD_SetPointPixel(usX_Center-sCurrentX,usY_Center-sCurrentY,usColor); //5
|
|
LCD_SetPointPixel(usX_Center+sCurrentX,usY_Center-sCurrentY,usColor); //6
|
|
LCD_SetPointPixel(usX_Center+sCurrentY,usY_Center-sCurrentX,usColor); //7
|
|
LCD_SetPointPixel(usX_Center+sCurrentY,usY_Center+sCurrentX,usColor); //0
|
|
}
|
|
sCurrentX ++;
|
|
if(sError<0)
|
|
{
|
|
sError+=(4*sCurrentX+6);
|
|
}
|
|
else
|
|
{
|
|
sError +=(10+4*(sCurrentX-sCurrentY));
|
|
sCurrentY--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 函数功能: 在 LCD 显示器上显示一个英文字符
|
|
* 输入参数: usX：在特定扫描方向下字符的起始X坐标
|
|
* usY ：在特定扫描方向下该点的起始Y坐标
|
|
* cChar ：要显示的英文字符
|
|
* usColor_Background ：选择英文字符的背景色
|
|
* usColor_Foreground ：选择英文字符的前景色
|
|
* font：字体选择
|
|
* 可选值：FONT_16 ：16号字体
|
|
* FONT_24 ：24号字体
|
|
* 返 回 值: 无
|
|
* 说 明：该函数必须与ascii.h内容对应使用
|
|
*/
|
|
void LCD_DispChar_EN( u16 usX, u16 usY, const char cChar, u16 usColor_Background, u16 usColor_Foreground,FONT_Typdef font)
|
|
{
|
|
u8 ucTemp, ucRelativePositon, ucPage, ucColumn;
|
|
|
|
/* 检查输入参数是否合法 */
|
|
assert_param(IS_FONT(font));
|
|
|
|
ucRelativePositon = cChar - ' ';
|
|
|
|
if(font==FONT_16)
|
|
{
|
|
LCD_OpenWindow(usX,usY,8,16);
|
|
LCD_WRITE_CMD(0x2C);
|
|
|
|
for(ucPage=0;ucPage<16;ucPage++)
|
|
{
|
|
ucTemp=ucAscii_1608[ucRelativePositon][ucPage];
|
|
for(ucColumn=0;ucColumn<8;ucColumn++)
|
|
{
|
|
if(ucTemp&0x01)
|
|
LCD_WRITE_DATA(usColor_Foreground);
|
|
else
|
|
LCD_WRITE_DATA(usColor_Background);
|
|
ucTemp >>= 1;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LCD_OpenWindow(usX,usY,12,24);
|
|
LCD_WRITE_CMD(0x2C);
|
|
|
|
for(ucPage=0;ucPage<48;ucPage++)
|
|
{
|
|
ucTemp=ucAscii_2412[ucRelativePositon][ucPage];
|
|
for(ucColumn=0;ucColumn<8;ucColumn++)
|
|
{
|
|
if(ucTemp&0x01)
|
|
LCD_WRITE_DATA(usColor_Foreground);
|
|
else
|
|
LCD_WRITE_DATA(usColor_Background);
|
|
ucTemp >>= 1;
|
|
}
|
|
ucPage++;
|
|
ucTemp=ucAscii_2412[ucRelativePositon][ucPage];
|
|
/* 只显示前面4个位，与什么8位总共12位 */
|
|
for(ucColumn=0;ucColumn<4;ucColumn++)
|
|
{
|
|
if(ucTemp&0x01)
|
|
LCD_WRITE_DATA(usColor_Foreground);
|
|
else
|
|
LCD_WRITE_DATA(usColor_Background);
|
|
ucTemp >>= 1;
|
|
}
|
|
}
|
|
}
|
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}
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/**
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* 函数功能: 在 LCD 显示器上显示英文字符串
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* 输入参数: usX：在特定扫描方向下字符的起始X坐标
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* usY ：在特定扫描方向下该点的起始Y坐标
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* pStr ：要显示的英文字符串的首地址
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* usColor_Background ：选择英文字符的背景色
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* usColor_Foreground ：选择英文字符的前景色
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* font：字体选择
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* 可选值：FONT_16 ：16号字体
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* FONT_24 ：24号字体
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* 返 回 值: 无
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* 说 明：该函数必须与ascii.h内容对应使用
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*/
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void LCD_DispString_EN ( u16 usX, u16 usY, const char * pstr, u16 usColor_Background, u16 usColor_Foreground,FONT_Typdef font)
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{
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/* 检查输入参数是否合法 */
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assert_param(IS_FONT(font));
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while(*pstr != '\0')
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{
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if(font==FONT_16)
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{
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if((usX+8)>LCD_DEFAULT_WIDTH)
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{
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usX = 0;
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usY += 16;
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}
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if((usY+16)>LCD_DEFAULT_HEIGTH)
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{
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usX=0;
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usY=0;
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}
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LCD_DispChar_EN(usX,usY,*pstr,usColor_Background,usColor_Foreground,FONT_16);
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pstr++;
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usX+=8;
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}
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else
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{
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if((usX+12)>LCD_DEFAULT_WIDTH)
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{
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usX=0;
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usY+=24;
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}
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if((usY+24)>LCD_DEFAULT_HEIGTH)
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{
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usX=0;
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usY=0;
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}
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LCD_DispChar_EN(usX,usY,*pstr,usColor_Background,usColor_Foreground,FONT_24);
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pstr++;
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usX+=12;
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}
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}
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}
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void LCD_SetTextColor(volatile u16 Color)
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{
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TextColor = Color;
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}
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void LCD_SetBackColor(volatile u16 Color)
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{
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BackColor = Color;
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}
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#define SCREEN_OFFSET 100
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void LCD_DrawRect(u16 usX_Start,u16 usY_Start, u16 usWidth,u16 usHeight)
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{
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usX_Start +=SCREEN_OFFSET;
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LCD_DrawLine ( usX_Start, usY_Start, usX_Start + usWidth - 1, usY_Start, TextColor );
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LCD_DrawLine ( usX_Start, usY_Start + usHeight - 1, usX_Start + usWidth - 1, usY_Start + usHeight - 1, TextColor );
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LCD_DrawLine ( usX_Start, usY_Start, usX_Start, usY_Start + usHeight - 1, TextColor );
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LCD_DrawLine ( usX_Start + usWidth - 1, usY_Start, usX_Start + usWidth - 1, usY_Start + usHeight - 1, TextColor );
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|
}
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|
|
|
void LCD_ClearLine(volatile u8 Line)
|
|
{
|
|
LCD_Clear(SCREEN_OFFSET,Line, 480-SCREEN_OFFSET, 24, BackColor);
|
|
}
|
|
|
|
void LCD_DisplayChar(u8 Line, u16 Column, u8 Ascii)
|
|
{
|
|
LCD_DispChar_EN(Column+SCREEN_OFFSET,Line,Ascii,BackColor,TextColor,FONT_24);
|
|
}
|
|
|
|
void LCD_DisplayStringLine(volatile u16 Line, volatile u8 *pstr)
|
|
{
|
|
LCD_DispString_EN(SCREEN_OFFSET,Line,(const char *)pstr,BackColor,TextColor,FONT_24);
|
|
}
|
|
|
|
|
|
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|
/******************* (C) COPYRIGHT 2015-2020 硬石嵌入式开发团队 *****END OF FILE****/
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