/*********************************************************************************************/
本文档使用 TAB = 4 对齐,使用keil5默认配置打开阅读比较方便。
【*】程序简介
-工程名称:液晶显示中英文(任意大小)
-实验平台: 野火STM32 MINI 开发板
-MDK版本:5.16
-ST固件库版本:3.5
【 !】功能简介:
增加字模缩放函数,它可利用汉字16*16及英文16*24的字模源数据缩放,
使得可显示24*24、32*32、48*48、64*64等大小的字符
【 !】实验操作:
连接好配套的3.2_2.8寸液晶屏,下载程序后复位开发板即可,屏幕会绘制文字及图形。
若汉字不正常显示,需要重新往外部FLASH烧录字模!!!
【*】注意事项:
本程序液晶显示的汉字字模是存储在外部FLASH的。
字模:GB2312汉字库,16*16,宋体,支持中文标点。字模位置见FLASH空间表。
!!!若汉字显示不正常,可使用配套例程中的“刷外部FLASH程序”给FLASH恢复出厂数据
/***************************************************************************************************************/
【 !】外部Flash使用情况说明(W25Q64)
|-------------------------------------------------------------------------------------------------------------------|
|序号 |文件名/工程 |功能 |起始地址 |长度(BYTE) |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|1 |外部flash读写例程 |预留给裸机Flash测试 |0 |1024 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|2 |新宋体16.xbf |XBF字库文件(emWin使用) |1*4096 |399*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|3 |拼音候选表.txt |综合例程键盘拼音输入法 |400*4096 |6*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|4 |GB2312_H1616.FON |GB2312裸机中文字库 |406*4096 |64*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|5 |UNIGBK.BIN |文件系统中文支持编码库 |470*4096 |43*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|6 |触摸校准默认数据.BIN |电阻屏触摸校准参数(emWin使用) |513*4096 |1*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
|7 |FATFS文件系统 |此处的空间用于把FLASH格式化成文件系统使用 |514*4096 |1534*4096 |
|-------|---------------------------|-------------------------------------------|---------------|-------------------|
*FLASH芯片的第一个扇区(0-4096字节)是专门预留给本实验及裸机触摸做测试的,
若用户修改本实验,写入数据到其它扇区,会导致FLASH芯片其它数据毁坏,
做其它用到这些数据的实验时需要重新给FLASH写入这些数据。
可使用配套例程中的“刷外部FLASH程序”给FLASH恢复出厂数据。
/***************************************************************************************************************/
【*】 引脚分配
液晶屏:
使用模拟时序产生8080时序与液晶屏驱动芯片ILI9341通讯.
/*液晶控制信号线*/
ILI9341_CS <---> PC4 //片选
ILI9341_DC <---> PC7 //选择输出命令还是数据
ILI9341_WR <---> PC6 //写使能
ILI9341_RD <---> PC5 //读使能
ILI9341_RST <---> NRST //STM32的复位引脚,上电同时复位液晶
ILI9341_BK <---> PD2 //背光引脚
ILI9341_D0~D15 <---> PB0~PB15
本实验没有驱动触摸屏,详看触摸画板实验。
FLASH(W25Q64):
FLASH芯片的SPI接口与STM32的SPI3相连。
SCK <--->PA5
MISO<--->PA6
MOSI<--->PA7
CS <--->PA4
串口(TTL-USB TO USART):
CH340的收发引脚与STM32的发收引脚相连。
RX<--->PA9
TX<--->PA10
/*********************************************************************************************/
【*】 版本
-程序版本:1.0
-发布日期:2013-10
/*********************************************************************************************/
【*】 联系我们
-野火论坛 :http://www.firebbs.cn
-淘宝店铺 :https://fire-stm32.taobao.com
/*********************************************************************************************/
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液晶显示汉字实验(任意大小)
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