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- #include "nokia_5110.h"
- #include "english_6x8_pixel.h"
- #include "write_chinese_string_pixel.h"
- #include "stdio.h"
- #include "stdlib.h"
- #include "delay.h"
- #include "SPI-SD/Lcd/font.h"
- #include "SPI-SD/Fatfs/ff.h"
- char n5110_string[6][14]; //6行,每行13byte
- /*-----------------------------------------------------------------------
- LCD_init : 3310LCD初始化
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-10
- -----------------------------------------------------------------------*/
- void LCD_init ( void )
- {
- #if LCD_def
- // 产生一个让LCD复位的低电平脉冲
- LCD_RST = 0;
- delay_us ( 1 );
- LCD_RST = 1;
- // 关闭LCD
- LCD_CE = 0;
- delay_us ( 1 );
- // 使能LCD
- LCD_CE = 1;
- delay_us ( 1 );
- LCD_write_byte ( 0x21, 0 ); // 使用扩展命令设置LCD模式
- LCD_write_byte ( 0xc8, 0 ); // 设置偏置电压
- LCD_write_byte ( 0x06, 0 ); // 温度校正
- LCD_write_byte ( 0x13, 0 ); // 1:48
- LCD_write_byte ( 0x20, 0 ); // 使用基本命令
- LCD_clear(); // 清屏
- LCD_write_byte ( 0x0c, 0 ); // 设定显示模式,正常显示
- // 关闭LCD
- LCD_CE = 0;
- //开启背光灯
- BACKLIGHT = 1;
- #endif
- }
- /*-----------------------------------------------------------------------
- LCD_clear : LCD清屏函数
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-10
- -----------------------------------------------------------------------*/
- void LCD_clear ( void )
- {
- unsigned int i;
- LCD_write_byte ( 0x0c, 0 );
- LCD_write_byte ( 0x80, 0 );
- for ( i = 0; i < 504; i++ )
- LCD_write_byte ( 0, 1 );
- }
- /*-----------------------------------------------------------------------
- LCD_set_XY : 设置LCD坐标函数
- 输入参数:X :0-83
- Y :0-5
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-10
- -----------------------------------------------------------------------*/
- void LCD_set_XY ( unsigned char X, unsigned char Y )
- {
- LCD_write_byte ( 0x40 | Y, 0 ); // column
- LCD_write_byte ( 0x80 | X, 0 ); // row
- }
- /*-----------------------------------------------------------------------
- LCD_write_char : 显示英文字符
- 输入参数:c :显示的字符;
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-10
- -----------------------------------------------------------------------*/
- void LCD_write_char ( unsigned char c )
- {
- unsigned char line;
- c -= 32;
- for ( line = 0; line < 6; line++ )
- LCD_write_byte ( font6x8[c][line], 1 );
- }
- /*-----------------------------------------------------------------------
- LCD_write_english_String : 英文字符串显示函数
- 输入参数:*s :英文字符串指针;
- X、Y : 显示字符串的位置,x 0-83 ,y 0-5
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-10
- -----------------------------------------------------------------------*/
- void LCD_write_english_string ( unsigned char X, unsigned char Y, char *s )
- {
- #if LCD_def
- LCD_set_XY ( X, Y );
- while ( *s )
- {
- LCD_write_char ( *s );
- s++;
- }
- #endif
- }
- /*-----------------------------------------------------------------------
- LCD_write_chinese_string: 在LCD上显示汉字
- 输入参数:X、Y :显示汉字的起始X、Y坐标;
- ch_with :汉字点阵的宽度
- num :显示汉字的个数;
- line :汉字点阵数组中的起始行数
- row :汉字显示的行间距
- 编写日期 :2004-8-11
- 最后修改日期 :2004-8-12
- 测试:
- LCD_write_chi(0,0,12,7,0,0);
- LCD_write_chi(0,2,12,7,0,0);
- LCD_write_chi(0,4,12,7,0,0);
- -----------------------------------------------------------------------*/
- void LCD_write_chinese_string ( unsigned char X, unsigned char Y,
- unsigned char ch_with, unsigned char num,
- unsigned char line, unsigned char row )
- {
- unsigned char i, n;
- LCD_set_XY ( X, Y ); //设置初始位置
- for ( i = 0; i < num; )
- {
- for ( n = 0; n < ch_with * 2; n++ ) //写一个汉字
- {
- if ( n == ch_with ) //写汉字的下半部分
- {
- if ( i == 0 ) LCD_set_XY ( X, Y + 1 );
- else
- LCD_set_XY ( ( X + ( ch_with + row ) *i ), Y + 1 );
- }
- LCD_write_byte ( write_chinese[line + i][n], 1 );
- }
- i++;
- LCD_set_XY ( ( X + ( ch_with + row ) *i ), Y );
- }
- }
- /*-----------------------------------------------------------------------
- LCD_draw_map : 位图绘制函数
- 输入参数:X、Y :位图绘制的起始X、Y坐标;
- *map :位图点阵数据;
- Pix_x :位图像素(长)
- Pix_y :位图像素(宽)
- 编写日期 :2004-8-13
- 最后修改日期 :2004-8-13
- -----------------------------------------------------------------------*/
- void LCD_draw_bmp_pixel ( unsigned char X, unsigned char Y, unsigned char *map,
- unsigned char Pix_x, unsigned char Pix_y )
- {
- unsigned int i, n;
- unsigned char row;
- if ( Pix_y % 8 == 0 ) row = Pix_y / 8; //计算位图所占行数
- else
- row = Pix_y / 8 + 1;
- for ( n = 0; n < row; n++ )
- {
- LCD_set_XY ( X, Y );
- for ( i = 0; i < Pix_x; i++ )
- {
- LCD_write_byte ( map[i + n * Pix_x], 1 );
- }
- Y++; //换行
- }
- }
- /*-----------------------------------------------------------------------
- LCD_write_byte : 使用SPI接口写数据到LCD
- 输入参数:data :写入的数据;
- command :写数据/命令选择;
- 编写日期 :2004-8-10
- 最后修改日期 :2004-8-13
- -----------------------------------------------------------------------*/
- void LCD_write_byte ( unsigned char dat, unsigned char command )
- {
- unsigned char i;
- //PORTB &= ~LCD_CE ; // 使能LCD
- LCD_CE = 0;
- if ( command == 0 )
- // PORTB &= ~LCD_DC ; // 传送命令
- LCD_DC = 0;
- else
- // PORTB |= LCD_DC ; // 传送数据
- LCD_DC = 1;
- for ( i = 0; i < 8; i++ )
- {
- if ( dat & 0x80 )
- SDIN = 1;
- else
- SDIN = 0;
- SCLK = 0;
- dat = dat << 1;
- SCLK = 1;
- }
- // SPDR = data; // 传送数据到SPI寄存器
- //while ((SPSR & 0x80) == 0); // 等待数据传送完毕
- //PORTB |= LCD_CE ; // 关闭LCD
- LCD_CE = 1;
- }
- void RefreshLCD ( void )
- {
- #if LCD_def
- u8 i;
- for ( i = 0; i < 6; i++ )
- {
- LCD_write_english_string ( 0, i, n5110_string[i] );
- }
- #endif
- }
- #define LCD_Clear(c) LCD_clear()
- /*********************************************************************************
- 名称:void LCD_ShowCharString(uint16_t x, uint16_t y, const uint8_t *p, uint16_t PenColor, uint16_t BackColor)
- 参数:x,y 起始坐标
- p 指向字符串起始地址
- PenColor 字符颜色
- BackColor 背景颜色
- 功能:
- 备注:用16字体,可以调节 此函数不能单独调用
- *********************************************************************************/
- void LCD_ShowCharString(uint16_t x, uint16_t y, const uint8_t *p, uint16_t PenColor, uint16_t BackColor)
- {
- uint8_t size = 16; /*---字符大小默认16*8---*/
-
- if(x>MAX_CHAR_POSX){x=0;y+=size;} /*超出X轴字体最小单位,换行*/
- if(y>MAX_CHAR_POSY){y=x=0;LCD_Clear(WHITE);} /*超出Y轴字体最小单位,回到原点,并且清屏*/
- //LCD_ShowChar(x, y, *p, size, PenColor, BackColor); /*0表示非叠加方式*/
- LCD_set_XY ( x, y );
- LCD_write_char(*p);
- }
- /*********************************************************************************
- *名称: u16 findHzIndex(u8 *hz)
- *参数:hz
- *功能:索引汉字存储的内存地址
- *备注:
- *********************************************************************************/
- u16 findHzIndex(u8 *hz) /* 在自定义汉字库在查找所要显示 */
- /* 的汉字的位置 */
- {
- u16 i=0;
- FNT_GB16 *ptGb16 = (FNT_GB16 *)GBHZ_16; /*ptGb16指向GBHZ_16*/
- while(ptGb16[i].Index[0] > 0x80)
- {
- if ((*hz == ptGb16[i].Index[0]) && (*(hz+1) == ptGb16[i].Index[1])) /*汉字用两位来表示地址码*/
- {
- return i;
- }
- i++;
- if(i > (sizeof((FNT_GB16 *)GBHZ_16) / sizeof(FNT_GB16) - 1)) /* 搜索下标约束 */
- {
- break;
- }
- }
- return 0;
- }
- #if 0
- /*********************************************************************************
- *名称:void WriteOneHz(uint16_t x0, uint16_t y0, uint8_t *pucMsk, uint16_t PenColor, uint16_t BackColor)
- *参数:x0,y0 起始坐标
- *pucMsk 指向
- PenColor 字符颜色
- BackColor 背景颜色
- *功能:
- *备注:此函数不能单独作为汉字字符显示
- *********************************************************************************/
- void WriteOneHz(u16 x0, u16 y0, u8 *pucMsk, u16 PenColor, u16 BackColor)
- {
- u16 i,j;
- u16 mod[16]; /* 当前字模 16*16 */
- u16 *pusMsk; /* 当前字库地址 */
- u16 y;
- u16 size = 16; /*汉字默认大小16*16*/
- pusMsk = (u16 *)pucMsk;
- for(i=0; i<16; i++) /* 保存当前汉字点阵式字模 */
- {
- mod[i] = *pusMsk; /* 取得当前字模,半字对齐访问 */
- mod[i] = ((mod[i] & 0xff00) >> 8) | ((mod[i] & 0x00ff) << 8);/* 字模交换高低字节*/
- pusMsk = pusMsk+1;
- }
- y = y0;
- LCD_WindowMax(x0,y0,x0+size,y0+size); /*设置窗口*/
- LCD_SetCursor(x0,y0); /*设置光标位置 */
- LCD_WriteRAM_Prepare(); /*开始写入GRAM*/
- for(i=0; i<16; i++) /* 16行 */
- {
- for(j=0; j<16; j++) /* 16列 */
- {
- if((mod[i] << j) & 0x8000) /* 显示第i行 共16个点 */
- {
- LCD_WriteRAM(PenColor);
- }
- else
- {
- LCD_WriteRAM(BackColor); /* 用读方式跳过写空白点的像素*/
- }
- }
- y++;
- }
- LCD_WindowMax(0x0000,0x0000,240,320); /*恢复窗体大小*/
- }
- #endif
- /*********************************************************************************
- *名称:void LCD_ShowHzString(u16 x0, u16 y0, u8 *pcStr, u16 PenColor, u16 BackColor)
- *参数:x0,y0 起始坐标
- pcStr 指向
- PenColor 字体颜色
- BackColor 字体背景
- *功能:显示汉字字符串
- *备注:这个函数不能单独调用
- *********************************************************************************/
- void LCD_ShowHzString(u16 x0, u16 y0, u8 *pcStr, u16 PenColor, u16 BackColor)
- {
-
- u16 usIndex;
- u8 size = 16;
- FNT_GB16 *ptGb16 = 0;
- ptGb16 = (FNT_GB16 *)GBHZ_16;
- if(x0>MAX_HZ_POSX){x0=0;y0+=size;} /*超出X轴字体最小单位,换行*/
- if(y0>MAX_HZ_POSY){y0=x0=0;LCD_Clear(WHITE);} /*超出Y轴字体最小单位,回到原点,并且清屏*/
- usIndex = findHzIndex(pcStr);
- //WriteOneHz(x0, y0, (u8 *)&(ptGb16[usIndex].Msk[0]), PenColor, BackColor); /* 显示字符 */
- LCD_draw_bmp_pixel(x0, y0, (u8 *)&(ptGb16[usIndex].Msk[0]),16, 16 );
- }
- /*********************************************************************************
- *名称:void LCD_ShowString(u16 x0, u16 y0, u8 *pcstr, u16 PenColor, u16 BackColor)
- *参数:x0 y0 起始坐标
- pcstr 字符串指针
- PenColor 字体颜色
- BackColor 字体背景色
- *功能:调用字符和汉字显示函数,实现字符串显示
- *备注:
- *********************************************************************************/
- void LCD_ShowString(u16 x0, u16 y0, u8 *pcStr, u16 PenColor, u16 BackColor)
- {
- while(*pcStr!='\0')
- {
- if (x0>MAX_HZ_POSX) /*保证剩余的空间能放下一个16*16的字,否则换行 */
- {
- y0+=16;
- x0=0;
- }
- if (y0>MAX_HZ_POSY) /*保证剩余的空间能放下一个16*16的字,否则换行 */
- {
- y0=0;
- }
- if(*pcStr>0x80) /*显示汉字*/
- {
- LCD_ShowHzString(x0, y0, pcStr, PenColor, BackColor);
- pcStr += 2;
- x0 += 16;
- }
- else /*显示字符*/
- {
- LCD_ShowCharString(x0, y0, pcStr, PenColor, BackColor);
- pcStr +=1;
- x0+= 8;
- }
- }
- }
- /*--------------下面三个函数 实现字库的调用及显示-------------------*/
- FATFS fs;
- FIL fsrc; /* file objects */
- UINT br; // File R/W count
- static uint8_t Find_Chinese(uint8_t* str, uint8_t* p)
- {
- uint8_t High8bit,Low8bit;
- FRESULT res;
- uint8_t error[]="Please put the sys folder which include the font file HZK16.bin into the SD card root directory. ";
- High8bit=*str; /* 高8位数据 */
- Low8bit=*(str+1); /* 低8位数据 */
-
- f_mount(0, &fs);
- /* Infinite loop */
- res = f_open(&fsrc, "/sys/HZK16.bin", FA_OPEN_EXISTING | FA_READ); /* 在SD卡里搜索HZK16.bin*/
- if(res != 0)
- {
- LCD_ShowString(32,100,error,RED ,BLACK );
- return 1;
- }
-
- f_lseek(&fsrc,32*((High8bit-0xa0-1)*94+(Low8bit-0xa0-1)));
- f_read(&fsrc, p, 32, &br);
-
- f_close(&fsrc);
- f_mount(0, NULL);
- return 0;
- }
- /*********************************************************************************
- * 名 称:void PutChinese(u16 x, u16 y, u8 *c, u32 PenColor, u32 BackColor)
- * 入口参数:u16 x,u16 y 字符坐标位置
- u8 *c 汉字的指针
- u32 PenColor画笔颜色
- u32 BackColor背景颜色
- * 出口参数:无
- * 功 能:从SPI_FLASH里查找汉字基地址,
- 并将32字节的点阵数据送到LCD显示
- * 说 明:只能被GUI_Put调用
- *********************************************************************************/
- u8 buffer_r[32];
- u8 *c_r;
- void PutChinese(u16 x, u16 y, u8 *c, u32 PenColor, u32 BackColor)
- {
- u16 i=0;
- u16 j=0;
- u8 buffer[32];
- u16 tmp_char=0;
- if(!Find_Chinese(c,buffer))
- {
- c_r = c;
- memcpy(buffer_r,buffer,32);
- LCD_draw_bmp_pixel(x,y,(u8 *)buffer,16,16);
- #if 0
- LCD_WindowMax(x,y,x+16,y+16); /*设置窗口*/
- LCD_SetCursor(x,y); /*设置光标位置 */
- LCD_WriteRAM_Prepare();
- /* 16*16汉字点阵,共有16行 每行16个点,存储的时候是以字节为单位
- 需合并成字*/
- for (i=0;i<16;i++)
- {
- tmp_char=buffer[i*2];
- tmp_char=(tmp_char<<8);
- tmp_char|=buffer[2*i+1]; /*现在tmp_char存储着一行的点阵数据*/
- for (j=0;j<16;j++)
- {
- if((tmp_char<<j) & 0x8000)
- LCD_WriteRAM(PenColor);
- else
- LCD_WriteRAM(BackColor);
- }
- }
- LCD_WindowMax(0x00,0x00,240,320); /*恢复窗体大小*/
- #endif
- }
- }
- /*********************************************************************************
- * 名 称:void GUI_Put(u16 x, u16 y, u8 *str,u32 PenColor, u32 BackColor)
- * 入口参数:u16 x,u16 y 字符坐标位置
- u8 *c 汉字的指针
- u32 PenColor画笔颜色
- u32 BackColor背景颜色
- * 出口参数:无
- * 功 能:计算汉字显示坐标
- * 说 明:
- *********************************************************************************/
- void GUI_Put(u16 x, u16 y, u8 *str,u32 PenColor, u32 BackColor)
- {
- do
- {
- if (x>MAX_HZ_POSX) /*保证剩余的空间能放下一个16*16的字,否则换行 */
- {
- y+=16;
- x=0;
- }
- if (y>MAX_HZ_POSY) /*保证剩余的空间能放下一个16*16的字,否则换行 */
- {
- y=0;
- }
- if ( *str < 0x80) /* 显示字符,字符点阵直接从font.h里调用,大小为16*8 */
- {
- LCD_ShowCharString(x, y, str, PenColor, BackColor);
- x+= 8;
- str++;
- }
- else /*大于等于0x80判断为汉字字符*/
- {
- PutChinese(x, y, str++, PenColor, BackColor);
- str++;
- x+=16;
- }
- }while(*str!=0);
- }
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