屏幕和编码器OK
This commit is contained in:
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//***************************************************************************
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//连线表: CPU=89C52 *
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//RS=P3.0 RW=P3.1 E=P3.2 *
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//FOSC=12MHz D0-D7=P1.0-P1.7 *
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//***************************************************************************
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#include "drv_st7920.h"
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enum {
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LCD_CMD = 0x00,
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LCD_DAT = 0x01
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};
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#define LCD_CLEAR 0x01
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#define LCD_HOME 0x02
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#define LCD_CLR 0x01
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#define LCD_CLR 0x01
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#define LCD_CLR 0x01
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#define LCD_CLR 0x01
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#define LCD_CLR 0x01
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#define LCD_CLR 0x01
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/***************************************************************************************
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* 2020.11.20
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* LED12864模块
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* 管脚号 管脚名称 LEVER 管脚功能描述
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* 1 VSS 0 电源地
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* 2 VDD +5.0V 电源电压
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* 3 V0 - 液晶显示器驱动电压
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* 4 D/I(RS) H/L D/I=“H” 表示DB7∽DB0为显示数据
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* D/I=“L” 表示DB7∽DB0为显示指令数据
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* 5 R/W(SID) H/L R/W=“H”，E=“H”数据被读到DB7∽DB0
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* R/W=“L”，E=“H→L”数据被写到IR或DR
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* 6 E(CLK) H/L R/W=“L”，E信号下降沿锁存DB7∽DB0
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* R/W=“H”，E=“H”DDRAM数据读到DB7∽DB0
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* 7 DB0 H/L 数据线
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* 8 DB1 H/L 数据线
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* 9 DB2 H/L 数据线
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* 10 DB3 H/L 数据线
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* 11 DB4 H/L 数据线
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* 12 DB5 H/L 数据线
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* 13 DB6 H/L 数据线
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* 14 DB7 H/L 数据线
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* 15 PSB(CS1) H/L 并/串行接口选择：H-并行 L-串行
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* 16 NC(CS2) 空脚
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* 17 RST H/L 复位信号,低电平复位
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* 18 VOUT -10V LCD驱动负电压
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* 19 LED+ + LED背光板电源
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* 20 LED- - LED背光板电源
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*********************************************************************************************/
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/*****************************
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屏幕与DDRAM地址的对应关系
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第一字 第二字 ......... 第七字 第八字
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第一行 80H 81H ......... 82H 87H
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第二行 90H 91H ......... 92H 97H
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第三行 88H 89H ......... 8EH 8FH
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第四行 98H 99H ......... 9EH 9FH
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第n行
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*******************************/
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unsigned char GDRAM[] = { //横向取模，无字节倒序 16 * 64
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x30,0x10,0x18,0x08,0x08,0x08,0x08,
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0x18,0x10,0x30,0x60,0xC0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x01,0x00,0x00,0x80,0x80,
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0x40,0x20,0x00,0x20,0x10,0x10,0x10,0x10,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x01,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x02,0x01,0x00,0x00,0x00,
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0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x0E,0x70,0xC0,0x80,0x80,0x80,0x80,0xC0,
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0x40,0x40,0x20,0x20,0x10,0x0C,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF8,0x07,0x00,0x00,0x00,0x00,0x00,
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0x00,0x03,0x06,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x03,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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};
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void init_lcd (void);
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void cn_disp(unsigned char *cn);
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void txt_disp(unsigned char *cn,unsigned char adr);
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void gra_disp(unsigned char *img);
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void lat_disp(unsigned char data1,unsigned char data2);
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void con_disp(unsigned char data1,unsigned char x0,unsigned char y0,unsigned char xl,unsigned char yl);
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void lcd_txt_clr(void);
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void lcd_gra_clr(void);
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void LCD_CheckBusy(void)
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{
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//可能是模块有问题，这个函数没办法检测繁忙
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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//修改为输入
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GPIO_InitStruct.Pin = LCD_DB0_Pin|LCD_DB1_Pin|LCD_DB2_Pin|LCD_DB3_Pin
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|LCD_DB4_Pin|LCD_DB5_Pin|LCD_DB6_Pin|LCD_DB7_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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GPIO_PinState status;
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RS(0);
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RW(1); //读出数据，RW=1
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HAL_Delay(1);
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GPIOA->BSRR = 0x00ff;
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GPIOA->BRR = 0x0000;
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EN(0);
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EN(1);
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do
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{
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status = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_7);//接收BF位，判断是否忙
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}while(status);
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EN(0);
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//修改为输出
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GPIO_InitStruct.Pin = LCD_DB0_Pin|LCD_DB1_Pin|LCD_DB2_Pin|LCD_DB3_Pin
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|LCD_DB4_Pin|LCD_DB5_Pin|LCD_DB6_Pin|LCD_DB7_Pin;
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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(GPIOA, &GPIO_InitStruct);
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}
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void LCD_Write(unsigned char type,unsigned char data)
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{
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LCD_CheckBusy();
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RS(type);
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RW(0); //write
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EN(1);
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//HAL_Delay(1);//延迟是必须的
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//整个端口赋值
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GPIOA->BSRR = data & 0x00ff;
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GPIOA->BRR = ~data & 0x00ff;
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EN(0);
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}
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void LCD_Read(unsigned char type,unsigned char data)
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{
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}
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void LCD_init (void)
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{
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PS(0x01);//选择并口模式
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LCD_Write(LCD_CMD,0x30); /*30---功能设定,8-bit模式*/
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LCD_Write(LCD_CMD,0x30); /*30---功能设定,基本指令*/
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LCD_Write(LCD_CMD,0x08); /*设置显示、光标、闪烁全关*/
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LCD_Write(LCD_CMD,0x01); /*清屏，地址指针指向00H*/
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LCD_Write(LCD_CMD,0x06); /*光标的移动方向*/
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LCD_Write(LCD_CMD,0x0c); /*开显示，关游标*/
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}
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void LCD_flush(void)
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{
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//LCD全局刷新,每秒刷新20次。
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static int count = 0;
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count ++;
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if(count % 50)
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{
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}
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}
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void LCD_Clear(void)
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{
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LCD_Write(LCD_CMD,0x01); //写清屏指令0x01
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}
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void LCD_DDRAM(unsigned char x,unsigned char y,unsigned char *s)
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{
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switch(y)
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{
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case 0:
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LCD_Write(LCD_CMD,0x80+x); //第一行
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break;
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case 1:
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LCD_Write(LCD_CMD,0x90+x); //第二行
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break;
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case 2:
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LCD_Write(LCD_CMD,0x88+x); //第三行
|
||||
break;
|
||||
case 3:
|
||||
LCD_Write(LCD_CMD,0x98+x); //第四行
|
||||
break;
|
||||
}
|
||||
while(*s>0)
|
||||
{
|
||||
LCD_Write(LCD_DAT,*s++);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
/*************** 绘制的API *******************/
|
||||
void LCD_DrawText(unsigned char *str,unsigned char adr)
|
||||
{
|
||||
unsigned char i,j;
|
||||
LCD_Write(LCD_CMD,0x30);
|
||||
LCD_Write(LCD_CMD,adr); //第一到四行地址分别是0x80,0x90,0x88,0x98
|
||||
j=0;
|
||||
for(i=0;i<16;i++)
|
||||
LCD_Write(LCD_DAT,str[j*16+i]);
|
||||
}
|
||||
|
||||
void LCD_DrawPix(unsigned char *str,unsigned char adr)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
|
||||
void LCD_DEMO(void)
|
||||
{
|
||||
|
||||
unsigned char str[50];
|
||||
|
||||
LCD_init();
|
||||
|
||||
while(1)
|
||||
{
|
||||
HAL_Delay(50);
|
||||
LCD_Clear();
|
||||
|
||||
sprintf(str, "编码器数值： %d ", ec11_count);
|
||||
|
||||
|
||||
|
||||
LCD_DrawText(str,0x80);
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user