859 lines
17 KiB
C
859 lines
17 KiB
C
#include "sys.h"
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#include "lcd.h"
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#include "font.h"
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#include "spi3.h"
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#include "alientek_log.h"
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/*********************************************************************************
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___ _ _____ _____ _ _ _____ _____ _ __
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/ _ \ | | |_ _|| ___|| \ | ||_ _|| ___|| | / /
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/ /_\ \| | | | | |__ | \| | | | | |__ | |/ /
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| _ || | | | | __| | . ` | | | | __| | \
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| | | || |_____| |_ | |___ | |\ | | | | |___ | |\ \
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\_| |_/\_____/\___/ \____/ \_| \_/ \_/ \____/ \_| \_/
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* ******************************************************************************
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* 本程序只供学习使用，未经作者许可，不得用于其它任何用途
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* ALIENTEK Pandora STM32L475 IOT开发板
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* LCD TFT驱动代码
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* 正点原子@ALIENTEK
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* 技术论坛:www.openedv.com
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* 创建日期:2018/10/27
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* 版本：V1.0
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* 版权所有，盗版必究。
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* Copyright(C) 广州市星翼电子科技有限公司 2014-2024
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* All rights reserved
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* ******************************************************************************
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* 初始版本
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* ******************************************************************************/
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//LCD缓存大小设置，修改此值时请注意！！！！修改这两个值时可能会影响以下函数 LCD_Clear/LCD_Fill/LCD_DrawLine
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#define LCD_TOTAL_BUF_SIZE (240*240*2)
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#define LCD_Buf_Size 1152
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static u8 lcd_buf[LCD_Buf_Size];
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u16 POINT_COLOR = BLACK; //画笔颜色 默认为黑色
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u16 BACK_COLOR = WHITE; //背景颜色 默认为白色
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/**
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* @brief LCD控制接口初始化
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*
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* @param void
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*
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* @return void
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*/
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static void LCD_Gpio_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*
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LCD_PWR: PB7
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LCD_RST: PB6
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LCD_DC: PB4
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LCD_CS: PD7
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_7;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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HAL_GPIO_WritePin(GPIOB, GPIO_PIN_4 | GPIO_PIN_6 | GPIO_PIN_7, GPIO_PIN_RESET);
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GPIO_InitStruct.Pin = GPIO_PIN_7;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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HAL_GPIO_WritePin(GPIOD, GPIO_PIN_7, GPIO_PIN_RESET);
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LCD_CS(0);
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LCD_PWR(0);
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LCD_RST(0);
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HAL_Delay(120);
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LCD_RST(1);
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SPI3_Init(); //初始化SPI3接口
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}
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/**
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* @brief LCD底层SPI发送数据函数
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*
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* @param data 数据的起始地址
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* @param size 发送数据大小
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*
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* @return void
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*/
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static void LCD_SPI_Send(u8 *data, u32 size)
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{
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u32 i;
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u32 delta;
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delta = size/0xFFFF;
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for(i = 0; i<=delta; i++)
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{
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if( i==delta ) /* 发送最后一帧数据 */
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SPI3_WriteByte(&data[i*0xFFFF], size%0xFFFF);
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else /* 超长数据一次发送0xFFFF字节数据 */
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SPI3_WriteByte(&data[i*0xFFFF], 0xFFFF);
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}
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}
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/**
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* @brief 写命令到LCD
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*
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* @param cmd 需要发送的命令
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*
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* @return void
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*/
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static void LCD_Write_Cmd(u8 cmd)
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{
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LCD_DC(0);
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LCD_SPI_Send(&cmd, 1);
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}
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/**
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* @brief 写数据到LCD
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*
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* @param cmd 需要发送的数据
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*
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* @return void
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*/
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static void LCD_Write_Data(u8 data)
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{
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LCD_DC(1);
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LCD_SPI_Send(&data, 1);
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}
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/**
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* @brief 写半个字的数据到LCD
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*
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* @param cmd 需要发送的数据
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*
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* @return void
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*/
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void LCD_Write_HalfWord(const u16 da)
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{
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u8 data[2] = {0};
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data[0] = da >> 8;
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data[1] = da;
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LCD_DC(1);
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LCD_SPI_Send(data, 2);
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}
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/**
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* 设置数据写入LCD缓存区域
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*
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* @param x1,y1 起点坐标
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* @param x2,y2 终点坐标
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*
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* @return void
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*/
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void LCD_Address_Set(u16 x1, u16 y1, u16 x2, u16 y2)
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{
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LCD_Write_Cmd(0x2a);
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LCD_Write_Data(x1 >> 8);
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LCD_Write_Data(x1);
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LCD_Write_Data(x2 >> 8);
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LCD_Write_Data(x2);
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LCD_Write_Cmd(0x2b);
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LCD_Write_Data(y1 >> 8);
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LCD_Write_Data(y1);
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LCD_Write_Data(y2 >> 8);
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LCD_Write_Data(y2);
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LCD_Write_Cmd(0x2C);
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}
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/**
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* 打开LCD显示
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*
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* @param void
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*
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* @return void
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*/
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void LCD_DisplayOn(void)
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{
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LCD_PWR(1);
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}
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/**
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* 关闭LCD显示
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*
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* @param void
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*
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* @return void
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*/
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void LCD_DisplayOff(void)
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{
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LCD_PWR(0);
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}
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/**
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* 以一种颜色清空LCD屏
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*
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* @param color 清屏颜色
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*
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* @return void
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*/
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void LCD_Clear(u16 color)
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{
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u16 i, j;
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u8 data[2] = {0};
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data[0] = color >> 8;
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data[1] = color;
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LCD_Address_Set(0, 0, LCD_Width - 1, LCD_Height - 1);
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for(j = 0; j < LCD_Buf_Size / 2; j++)
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{
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lcd_buf[j * 2] = data[0];
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lcd_buf[j * 2 + 1] = data[1];
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}
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LCD_DC(1);
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for(i = 0; i < (LCD_TOTAL_BUF_SIZE / LCD_Buf_Size); i++)
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{
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LCD_SPI_Send(lcd_buf, LCD_Buf_Size);
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}
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}
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/**
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* 用一个颜色填充整个区域
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*
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* @param x_start,y_start 起点坐标
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* @param x_end,y_end 终点坐标
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* @param color 填充颜色
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*
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* @return void
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*/
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void LCD_Fill(u16 x_start, u16 y_start, u16 x_end, u16 y_end, u16 color)
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{
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u16 i = 0;
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u32 size = 0, size_remain = 0;
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size = (x_end - x_start + 1) * (y_end - y_start + 1) * 2;
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if(size > LCD_Buf_Size)
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{
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size_remain = size - LCD_Buf_Size;
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size = LCD_Buf_Size;
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}
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LCD_Address_Set(x_start, y_start, x_end, y_end);
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while(1)
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{
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for(i = 0; i < size / 2; i++)
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{
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lcd_buf[2 * i] = color >> 8;
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lcd_buf[2 * i + 1] = color;
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}
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LCD_DC(1);
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LCD_SPI_Send(lcd_buf, size);
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if(size_remain == 0)
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break;
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if(size_remain > LCD_Buf_Size)
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{
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size_remain = size_remain - LCD_Buf_Size;
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}
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else
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{
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size = size_remain;
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size_remain = 0;
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}
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}
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}
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/**
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* 用颜色缓冲区填充区域
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*
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* @param x_start,y_start 起点坐标
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* @param x_end,y_end 终点坐标
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* @param clr_buf 颜色缓冲区
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*
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* @return void
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*/
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void LCD_Fill_Buf(u16 x_start, u16 y_start, u16 x_end, u16 y_end, u16* clr_buf)
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{
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u16 i = 0;
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u32 size = 0, size_remain = 0;
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size = (x_end - x_start + 1) * (y_end - y_start + 1) * 2;
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if(size > LCD_Buf_Size)
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{
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size_remain = size - LCD_Buf_Size;
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size = LCD_Buf_Size;
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}
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LCD_Address_Set(x_start, y_start, x_end, y_end);
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while(1)
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{
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for(i = 0; i < size / 2; i++)
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{
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lcd_buf[2 * i] = clr_buf[i] >> 8;
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lcd_buf[2 * i + 1] = clr_buf[i];
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}
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LCD_DC(1);
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LCD_SPI_Send(lcd_buf, size);
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if(size_remain == 0)
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break;
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if(size_remain > LCD_Buf_Size)
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{
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size_remain = size_remain - LCD_Buf_Size;
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}
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else
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{
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size = size_remain;
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size_remain = 0;
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}
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}
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}
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/**
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* 画点函数
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*
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* @param x,y 画点坐标
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*
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* @return void
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*/
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void LCD_Draw_Point(u16 x, u16 y)
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{
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LCD_Address_Set(x, y, x, y);
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LCD_Write_HalfWord(POINT_COLOR);
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}
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/**
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* 画点带颜色函数
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*
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* @param x,y 画点坐标
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*
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* @return void
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*/
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void LCD_Draw_ColorPoint(u16 x, u16 y,u16 color)
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{
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LCD_Address_Set(x, y, x, y);
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LCD_Write_HalfWord(color);
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}
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/**
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* @brief 画线函数(直线、斜线)
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*
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* @param x1,y1 起点坐标
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* @param x2,y2 终点坐标
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*
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* @return void
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*/
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void LCD_DrawLine(u16 x1, u16 y1, u16 x2, u16 y2)
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{
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u16 t;
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int xerr = 0, yerr = 0, delta_x, delta_y, distance;
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int incx, incy, row, col;
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u32 i = 0;
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if(y1 == y2)
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{
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/*快速画水平线*/
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LCD_Address_Set(x1, y1, x2, y2);
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for(i = 0; i < x2 - x1; i++)
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{
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lcd_buf[2 * i] = POINT_COLOR >> 8;
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lcd_buf[2 * i + 1] = POINT_COLOR;
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}
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LCD_DC(1);
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LCD_SPI_Send(lcd_buf, (x2 - x1) * 2);
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return;
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}
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delta_x = x2 - x1;
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delta_y = y2 - y1;
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row = x1;
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col = y1;
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if(delta_x > 0)incx = 1;
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else if(delta_x == 0)incx = 0;
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else
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{
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incx = -1;
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delta_x = -delta_x;
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}
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if(delta_y > 0)incy = 1;
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else if(delta_y == 0)incy = 0;
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else
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{
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incy = -1;
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delta_y = -delta_y;
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}
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if(delta_x > delta_y)distance = delta_x;
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else distance = delta_y;
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for(t = 0; t <= distance + 1; t++)
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{
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LCD_Draw_Point(row, col);
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xerr += delta_x ;
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yerr += delta_y ;
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if(xerr > distance)
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{
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xerr -= distance;
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row += incx;
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}
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if(yerr > distance)
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{
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yerr -= distance;
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col += incy;
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}
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}
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}
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/**
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* @brief 画一个矩形
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*
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* @param x1,y1 起点坐标
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* @param x2,y2 终点坐标
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*
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* @return void
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*/
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void LCD_DrawRectangle(u16 x1, u16 y1, u16 x2, u16 y2)
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{
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LCD_DrawLine(x1, y1, x2, y1);
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LCD_DrawLine(x1, y1, x1, y2);
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LCD_DrawLine(x1, y2, x2, y2);
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LCD_DrawLine(x2, y1, x2, y2);
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}
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/**
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* @brief 画一个圆
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*
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* @param x0,y0 圆心坐标
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* @param r 圆半径
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*
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* @return void
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*/
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void LCD_Draw_Circle(u16 x0, u16 y0, u8 r)
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{
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int a, b;
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int di;
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a = 0;
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b = r;
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di = 3 - (r << 1);
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while(a <= b)
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{
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LCD_Draw_Point(x0 - b, y0 - a);
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LCD_Draw_Point(x0 + b, y0 - a);
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LCD_Draw_Point(x0 - a, y0 + b);
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LCD_Draw_Point(x0 - b, y0 - a);
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LCD_Draw_Point(x0 - a, y0 - b);
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LCD_Draw_Point(x0 + b, y0 + a);
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LCD_Draw_Point(x0 + a, y0 - b);
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LCD_Draw_Point(x0 + a, y0 + b);
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LCD_Draw_Point(x0 - b, y0 + a);
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a++;
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if(di < 0)di += 4 * a + 6;
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else
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{
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di += 10 + 4 * (a - b);
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b--;
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}
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LCD_Draw_Point(x0 + a, y0 + b);
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}
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}
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/**
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* @brief 显示一个ASCII码字符
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*
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* @param x,y 显示起始坐标
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* @param chr 需要显示的字符
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* @param size 字体大小(支持16/24/32号字体)
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*
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* @return void
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*/
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void LCD_ShowChar(u16 x, u16 y, char chr, u8 size)
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{
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u8 temp, t1, t;
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u8 csize; //得到字体一个字符对应点阵集所占的字节数
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u16 colortemp;
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u8 sta;
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chr = chr - ' '; //得到偏移后的值（ASCII字库是从空格开始取模，所以-' '就是对应字符的字库）
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if((x > (LCD_Width - size / 2)) || (y > (LCD_Height - size))) return;
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LCD_Address_Set(x, y, x + size / 2 - 1, y + size - 1);//(x,y,x+8-1,y+16-1)
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if((size == 16) || (size == 32) ) //16和32号字体
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{
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csize = (size / 8 + ((size % 8) ? 1 : 0)) * (size / 2);
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for(t = 0; t < csize; t++)
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{
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if(size == 16)temp = asc2_1608[chr][t]; //调用1608字体
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else if(size == 32)temp = asc2_3216[chr][t]; //调用3216字体
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else return; //没有的字库
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for(t1 = 0; t1 < 8; t1++)
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{
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if(temp & 0x80) colortemp = POINT_COLOR;
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else colortemp = BACK_COLOR;
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LCD_Write_HalfWord(colortemp);
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temp <<= 1;
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}
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}
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}
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else if (size == 12) //12号字体
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{
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csize = (size / 8 + ((size % 8) ? 1 : 0)) * (size / 2);
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for(t = 0; t < csize; t++)
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{
|
||
temp = asc2_1206[chr][t];
|
||
|
||
for(t1 = 0; t1 < 6; t1++)
|
||
{
|
||
if(temp & 0x80) colortemp = POINT_COLOR;
|
||
else colortemp = BACK_COLOR;
|
||
|
||
LCD_Write_HalfWord(colortemp);
|
||
temp <<= 1;
|
||
}
|
||
}
|
||
}
|
||
|
||
else if(size == 24) //24号字体
|
||
{
|
||
csize = (size * 16) / 8;
|
||
|
||
for(t = 0; t < csize; t++)
|
||
{
|
||
temp = asc2_2412[chr][t];
|
||
|
||
if(t % 2 == 0)sta = 8;
|
||
else sta = 4;
|
||
|
||
for(t1 = 0; t1 < sta; t1++)
|
||
{
|
||
if(temp & 0x80) colortemp = POINT_COLOR;
|
||
else colortemp = BACK_COLOR;
|
||
|
||
LCD_Write_HalfWord(colortemp);
|
||
temp <<= 1;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief m^n函数
|
||
*
|
||
* @param m,n 输入参数
|
||
*
|
||
* @return m^n次方
|
||
*/
|
||
static u32 LCD_Pow(u8 m, u8 n)
|
||
{
|
||
u32 result = 1;
|
||
|
||
while(n--)result *= m;
|
||
|
||
return result;
|
||
}
|
||
|
||
/**
|
||
* @brief 显示数字,高位为0不显示
|
||
*
|
||
* @param x,y 起点坐标
|
||
* @param num 需要显示的数字,数字范围(0~4294967295)
|
||
* @param len 需要显示的位数
|
||
* @param size 字体大小
|
||
*
|
||
* @return void
|
||
*/
|
||
void LCD_ShowNum(u16 x, u16 y, u32 num, u8 len, u8 size)
|
||
{
|
||
u8 t, temp;
|
||
u8 enshow = 0;
|
||
|
||
for(t = 0; t < len; t++)
|
||
{
|
||
temp = (num / LCD_Pow(10, len - t - 1)) % 10;
|
||
|
||
if(enshow == 0 && t < (len - 1))
|
||
{
|
||
if(temp == 0)
|
||
{
|
||
LCD_ShowChar(x + (size / 2)*t, y, ' ', size);
|
||
continue;
|
||
}
|
||
|
||
else enshow = 1;
|
||
}
|
||
|
||
LCD_ShowChar(x + (size / 2)*t, y, temp + '0', size);
|
||
}
|
||
}
|
||
|
||
|
||
|
||
/**
|
||
* @brief 显示数字,高位为0,可以控制显示为0还是不显示
|
||
*
|
||
* @param x,y 起点坐标
|
||
* @param num 需要显示的数字,数字范围(0~999999999)
|
||
* @param len 需要显示的位数
|
||
* @param size 字体大小
|
||
* @param mode 1:高位显示0 0:高位不显示
|
||
*
|
||
* @return void
|
||
*/
|
||
void LCD_ShowxNum(u16 x, u16 y, u32 num, u8 len, u8 size, u8 mode)
|
||
{
|
||
u8 t, temp;
|
||
u8 enshow = 0;
|
||
|
||
for(t = 0; t < len; t++)
|
||
{
|
||
temp = (num / LCD_Pow(10, len - t - 1)) % 10;
|
||
|
||
if(enshow == 0 && t < (len - 1))
|
||
{
|
||
if(temp == 0)
|
||
{
|
||
if(mode)LCD_ShowChar(x + (size / 2)*t, y, '0', size);
|
||
else
|
||
LCD_ShowChar(x + (size / 2)*t, y, ' ', size);
|
||
|
||
continue;
|
||
}
|
||
|
||
else enshow = 1;
|
||
}
|
||
|
||
LCD_ShowChar(x + (size / 2)*t, y, temp + '0', size);
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 显示字符串
|
||
*
|
||
* @param x,y 起点坐标
|
||
* @param width 字符显示区域宽度
|
||
* @param height 字符显示区域高度
|
||
* @param size 字体大小
|
||
* @param p 字符串起始地址
|
||
*
|
||
* @return void
|
||
*/
|
||
void LCD_ShowString(u16 x, u16 y, u16 width, u16 height, u8 size, char *p)
|
||
{
|
||
u8 x0 = x;
|
||
width += x;
|
||
height += y;
|
||
|
||
while((*p <= '~') && (*p >= ' ')) //判断是不是非法字符!
|
||
{
|
||
if(x >= width)
|
||
{
|
||
x = x0;
|
||
y += size;
|
||
}
|
||
|
||
if(y >= height)break; //退出
|
||
|
||
LCD_ShowChar(x, y, *p, size);
|
||
x += size / 2;
|
||
p++;
|
||
}
|
||
}
|
||
|
||
|
||
/**
|
||
* @brief 显示图片
|
||
*
|
||
* @remark Image2Lcd取模方式： C语言数据/水平扫描/16位真彩色(RGB565)/高位在前 其他的不要选
|
||
*
|
||
* @param x,y 起点坐标
|
||
* @param width 图片宽度
|
||
* @param height 图片高度
|
||
* @param p 图片缓存数据起始地址
|
||
*
|
||
* @return void
|
||
*/
|
||
void LCD_Show_Image(u16 x, u16 y, u16 width, u16 height, const u8 *p)
|
||
{
|
||
if(x + width > LCD_Width || y + height > LCD_Height)
|
||
{
|
||
return;
|
||
}
|
||
|
||
LCD_Address_Set(x, y, x + width - 1, y + height - 1);
|
||
|
||
LCD_DC(1);
|
||
|
||
LCD_SPI_Send((u8 *)p, width * height * 2);
|
||
}
|
||
|
||
/**
|
||
* @brief LCD初始化
|
||
*
|
||
* @param x,y 显示坐标
|
||
*
|
||
* @return void
|
||
*/
|
||
void Display_ALIENTEK_LOGO(u16 x, u16 y)
|
||
{
|
||
LCD_Show_Image(x, y, 240, 82, ALIENTEK_LOGO);
|
||
}
|
||
|
||
/**
|
||
* @brief LCD初始化
|
||
*
|
||
* @param void
|
||
*
|
||
* @return void
|
||
*/
|
||
void LCD_Init(void)
|
||
{
|
||
LCD_Gpio_Init(); //硬件接口初始化
|
||
|
||
HAL_Delay(120);
|
||
/* Sleep Out */
|
||
LCD_Write_Cmd(0x11);
|
||
/* wait for power stability */
|
||
HAL_Delay(120);
|
||
|
||
/* Memory Data Access Control */
|
||
LCD_Write_Cmd(0x36);
|
||
LCD_Write_Data(0x00);
|
||
|
||
/* RGB 5-6-5-bit */
|
||
LCD_Write_Cmd(0x3A);
|
||
LCD_Write_Data(0x65);
|
||
|
||
/* Porch Setting */
|
||
LCD_Write_Cmd(0xB2);
|
||
LCD_Write_Data(0x0C);
|
||
LCD_Write_Data(0x0C);
|
||
LCD_Write_Data(0x00);
|
||
LCD_Write_Data(0x33);
|
||
LCD_Write_Data(0x33);
|
||
|
||
/* Gate Control */
|
||
LCD_Write_Cmd(0xB7);
|
||
LCD_Write_Data(0x72);
|
||
|
||
/* VCOM Setting */
|
||
LCD_Write_Cmd(0xBB);
|
||
LCD_Write_Data(0x3D); //Vcom=1.625V
|
||
|
||
/* LCM Control */
|
||
LCD_Write_Cmd(0xC0);
|
||
LCD_Write_Data(0x2C);
|
||
|
||
/* VDV and VRH Command Enable */
|
||
LCD_Write_Cmd(0xC2);
|
||
LCD_Write_Data(0x01);
|
||
|
||
/* VRH Set */
|
||
LCD_Write_Cmd(0xC3);
|
||
LCD_Write_Data(0x19);
|
||
|
||
/* VDV Set */
|
||
LCD_Write_Cmd(0xC4);
|
||
LCD_Write_Data(0x20);
|
||
|
||
/* Frame Rate Control in Normal Mode */
|
||
LCD_Write_Cmd(0xC6);
|
||
LCD_Write_Data(0x0F); //60MHZ
|
||
|
||
/* Power Control 1 */
|
||
LCD_Write_Cmd(0xD0);
|
||
LCD_Write_Data(0xA4);
|
||
LCD_Write_Data(0xA1);
|
||
|
||
/* Positive Voltage Gamma Control */
|
||
LCD_Write_Cmd(0xE0);
|
||
LCD_Write_Data(0xD0);
|
||
LCD_Write_Data(0x04);
|
||
LCD_Write_Data(0x0D);
|
||
LCD_Write_Data(0x11);
|
||
LCD_Write_Data(0x13);
|
||
LCD_Write_Data(0x2B);
|
||
LCD_Write_Data(0x3F);
|
||
LCD_Write_Data(0x54);
|
||
LCD_Write_Data(0x4C);
|
||
LCD_Write_Data(0x18);
|
||
LCD_Write_Data(0x0D);
|
||
LCD_Write_Data(0x0B);
|
||
LCD_Write_Data(0x1F);
|
||
LCD_Write_Data(0x23);
|
||
|
||
/* Negative Voltage Gamma Control */
|
||
LCD_Write_Cmd(0xE1);
|
||
LCD_Write_Data(0xD0);
|
||
LCD_Write_Data(0x04);
|
||
LCD_Write_Data(0x0C);
|
||
LCD_Write_Data(0x11);
|
||
LCD_Write_Data(0x13);
|
||
LCD_Write_Data(0x2C);
|
||
LCD_Write_Data(0x3F);
|
||
LCD_Write_Data(0x44);
|
||
LCD_Write_Data(0x51);
|
||
LCD_Write_Data(0x2F);
|
||
LCD_Write_Data(0x1F);
|
||
LCD_Write_Data(0x1F);
|
||
LCD_Write_Data(0x20);
|
||
LCD_Write_Data(0x23);
|
||
|
||
/* Display Inversion On */
|
||
LCD_Write_Cmd(0x21);
|
||
|
||
LCD_Write_Cmd(0x29);
|
||
|
||
LCD_Address_Set(0, 0, LCD_Width - 1, LCD_Height - 1);
|
||
|
||
LCD_Clear(WHITE);
|
||
|
||
/*打开显示*/
|
||
LCD_PWR(1);
|
||
}
|
||
|
||
|