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/********************************************************************************
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* 文件名称 ：lcd.c
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* 作 者：物联网俱乐部
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* 版 本：V1.0
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* 编写日期 ：2018-4-1
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* 功 能：LCD屏幕驱动
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*********************************************************************************
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* 说 明 ：本例程配套物联网俱乐部BearPi开发板使用
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*
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* 淘 宝：https://shop128001708.taobao.com/
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* 论 坛：bbs.iot-club.cn
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*********************************************************************************/
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#include "lcd.h"
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#include "font.h"
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#include "spi.h"
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#include "gpio.h"
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#include "Hzlib.h"
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#include "stm32l4xx_hal.h"
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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 uint8_t lcd_buf[LCD_Buf_Size];
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uint16_t POINT_COLOR = WHITE; //画笔颜色 默认为黑色
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uint16_t BACK_COLOR = BLACK; //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_GPIOC_CLK_ENABLE();
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/*
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LCD_PWR: PB15
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LCD_RST: PC7
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LCD_DC: PC6
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_15;
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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_15, GPIO_PIN_RESET);
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GPIO_InitStruct.Pin = 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(GPIOC, &GPIO_InitStruct);
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HAL_GPIO_WritePin(GPIOC ,GPIO_PIN_6 | GPIO_PIN_7, GPIO_PIN_RESET);
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LCD_PWR(0);
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LCD_RST(0);
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HAL_Delay(12);
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LCD_RST(1);
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//MX_SPI2_Init(); //初始化SPI2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(uint8_t *data, uint16_t size)
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{
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SPI2_WriteByte(data, size);
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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(uint8_t 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(uint8_t 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 uint16_t da)
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{
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uint8_t 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(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t 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(uint16_t color)
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{
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uint16_t i, j;
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uint8_t 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(uint16_t x_start, uint16_t y_start, uint16_t x_end, uint16_t y_end, uint16_t color)
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{
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uint16_t i = 0;
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uint32_t 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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* 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(uint16_t x, uint16_t 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(uint16_t x, uint16_t y,uint16_t 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(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
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{
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uint16_t 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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uint32_t 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(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t 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(uint16_t x0, uint16_t y0, uint8_t 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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//Bresenham
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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(uint16_t x, uint16_t y, char chr, uint8_t size)
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{
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uint8_t temp, t1, t;
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uint8_t csize; //得到字体一个字符对应点阵集所占的字节数
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uint16_t colortemp;
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uint8_t 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
|
|
|
|
|
|
else return; //没有的字库
|
|
|
|
|
|
for(t1 = 0; t1 < 8; t1++)
|
|
|
{
|
|
|
if(temp & 0x80) colortemp = POINT_COLOR;
|
|
|
|
|
|
else colortemp = BACK_COLOR;
|
|
|
|
|
|
LCD_Write_HalfWord(colortemp);
|
|
|
temp <<= 1;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
else if (size == 12) //12号字体
|
|
|
{
|
|
|
csize = (size / 8 + ((size % 8) ? 1 : 0)) * (size / 2);
|
|
|
|
|
|
for(t = 0; t < csize; t++)
|
|
|
{
|
|
|
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 uint32_t LCD_Pow(uint8_t m, uint8_t n)
|
|
|
{
|
|
|
uint32_t 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(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size)
|
|
|
{
|
|
|
uint8_t t, temp;
|
|
|
uint8_t 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(uint16_t x, uint16_t y, uint32_t num, uint8_t len, uint8_t size, uint8_t mode)
|
|
|
{
|
|
|
uint8_t t, temp;
|
|
|
uint8_t 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(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint8_t size, char *p)
|
|
|
{
|
|
|
uint8_t 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(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t *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);
|
|
|
|
|
|
if(width * height*2>65535)
|
|
|
{
|
|
|
LCD_SPI_Send((uint8_t *)p, 65535);
|
|
|
LCD_SPI_Send((uint8_t *)(p+65535), width*height*2-65535);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
LCD_SPI_Send((uint8_t *)p, width * height * 2);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* @brief LCD初始化
|
|
|
*
|
|
|
* @param void
|
|
|
*
|
|
|
* @return void
|
|
|
*/
|
|
|
void LCD_Init(void)
|
|
|
{
|
|
|
//LCD_Gpio_Init(); //硬件接口初始化
|
|
|
LCD_PWR(0);
|
|
|
LCD_RST(0);
|
|
|
HAL_Delay(12);
|
|
|
LCD_RST(1);
|
|
|
|
|
|
HAL_Delay(12);
|
|
|
/* Sleep Out */
|
|
|
LCD_Write_Cmd(0x11);
|
|
|
/* wait for power stability */
|
|
|
HAL_Delay(12);
|
|
|
|
|
|
/* 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);
|
|
|
|
|
|
/* Display on */
|
|
|
LCD_PWR(1);
|
|
|
}
|
|
|
|
|
|
/******************************************************
|
|
|
* 函数名：PutChinese21
|
|
|
* 描述 ：显示单个汉字字符串
|
|
|
* 输入 : pos: 0~(319-16)
|
|
|
* Ypos: 0~(239-16)
|
|
|
* str: 中文字符串首址
|
|
|
* Color: 字符颜色
|
|
|
* mode: 0--文字背景色为白色
|
|
|
* 1--文字悬浮
|
|
|
* 输出 ：无
|
|
|
* 举例 ：PutChinese21(200,100,"好",0,0);
|
|
|
* 注意 ：如果输入大于1的汉字字符串，显示将会截断，只显示最前面一个汉字
|
|
|
*********************************************************/
|
|
|
void PutChinese(uint16_t Xpos,uint16_t Ypos,uint8_t *str,uint8_t mode)
|
|
|
{
|
|
|
uint8_t i,j;
|
|
|
uint8_t buffer[32];
|
|
|
uint16_t tmp_char=0;
|
|
|
#ifdef SONG_TYPEFACE
|
|
|
GetGBKCode(buffer,str); /* 取字模数据 */
|
|
|
#endif
|
|
|
for (i=0;i<16;i++)
|
|
|
{
|
|
|
tmp_char=buffer[i*2];
|
|
|
tmp_char=(tmp_char<<8);
|
|
|
tmp_char|=buffer[2*i+1];
|
|
|
for (j=0;j<16;j++)
|
|
|
{
|
|
|
|
|
|
if ( (tmp_char >> 15-j) & 0x01 == 0x01)
|
|
|
{
|
|
|
LCD_Draw_Point(Ypos+j,Xpos+i);
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
if ( mode == 0 )
|
|
|
LCD_Draw_ColorPoint(Ypos+j,Xpos+i,BACK_COLOR);//指定字体背景颜色
|
|
|
else if ( mode == 1 )
|
|
|
{
|
|
|
//不写入
|
|
|
}
|
|
|
|
|
|
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
/******************************************************
|
|
|
* 函数名：PutChinese_strings21
|
|
|
* 描述 ：显示汉字字符串
|
|
|
* 输入 : pos: 0~(319-16)
|
|
|
* Ypos: 0~(239-16)
|
|
|
* str: 中文字符串首址
|
|
|
* Color: 字符颜色
|
|
|
* mode: 0--文字背景色为白色
|
|
|
* 1--文字悬浮
|
|
|
* 输出 ：无
|
|
|
* 举例 ：PutChinese_strings2(200,100,"好人",0,0);
|
|
|
* 注意 ：无
|
|
|
*********************************************************/
|
|
|
void PutChinese_strings(uint16_t Xpos,uint16_t Ypos,uint8_t *str,uint8_t mode)
|
|
|
{
|
|
|
|
|
|
uint16_t Tmp_x, Tmp_y;
|
|
|
uint8_t *tmp_str=str;
|
|
|
Tmp_x = Ypos;
|
|
|
Tmp_y = Xpos;
|
|
|
|
|
|
while(*tmp_str != '\0')
|
|
|
{
|
|
|
PutChinese(Tmp_x,Tmp_y,tmp_str,mode);
|
|
|
|
|
|
tmp_str += 2 ;
|
|
|
Tmp_y += 16 ;
|
|
|
}
|
|
|
}
|
|
|
|
