MSP430F149程序——12864液晶
一、引脚说明
1.1 接口定义
| 12864引脚 | 引脚说明 |
|---|---|
| RS(LCDCS) | 片选 |
| SID(LCDSIMO) | 从输入主输出 |
| SCLK(LCD CLK) | 时钟 |
| RST(LCD RES) | 复位 |
1.2 硬件连接
| 12864引脚 | 430引脚 |
|---|---|
| RS(LCDCS) | P4.2 |
| SID(LCDSIMO) | P4.1 |
| SCLK(LCD CLK) | P4.3 |
| RST(LCD RES) | P4.5 |
1.3 总线协议
IO口软件模拟SPI
1.4 软件控制流程
①IO初始化。
②根据时序初始化LCD。
③显示。
二、移植文件
将 LCD.c 、 LCD.h文件加入到工程文件夹下
2.1 LCD.c
#define mLCD_GLOBALS
#include 2.2 LCD.h
/*
LCD SIMO-P4.1
LCD CS -P4.2
LCD CLK-P4.3
LCD RES-P4.5
*/
#ifdef mLCD_GLOBALS
#define mLCD_EXT
#else
#define mLCD_EXT extern
#endif
#define BOOLEAN unsigned char
#define INT8U unsigned char
#define INT8S signed char
#define INT16U unsigned int
#define INT16S signed int
#define INT32U unsigned long
#define INT32S signed long
#define FP32 float
#define CONTROL_ON Manual_CTL_Key=2;
#define CONTROL_OFF Manual_CTL_Key=1;
#define CONTROL_STOP Manual_CTL_Key=3;
#define PARA_READ yn_Read_Fm_to_Disp();
#define PARA_SAVE yn_SetParaDeal();
#define LCDSI P4DIR |= BIT1
#define LCDCS P4DIR |= BIT2
#define LCDCK P4DIR |= BIT3
#define LCDRE P4DIR |= BIT5
#define LCDCKL P4OUT &=~BIT3
#define LCDCKH P4OUT |=BIT3
#define LCDSIH P4OUT |= BIT1
#define LCDSIL P4OUT &=~BIT1
#define LCDCSH P4OUT |=BIT2
#define LCDCSL P4OUT &=~BIT2
#define LCDREH P4OUT |= BIT5
#define LCDREL P4OUT &=~BIT5
#define ST7920_COM_CLR 0X01//清除显示1.6MS
#define ST7920_COM_ADDR_RETURN 0X02//地址归位(光标回首位)
#define ST7920_COM_CURSOR_SHIFT_R_1 0X06//光标右移72US
#define ST7920_COM_DISPLAY_MODEL_D 0X04//0X04-整体显示ON;0x00-整体显示OFF
#define ST7920_COM_DISPLAY_MODEL_C_OFF 0X00//0X02-光标显示ON;0x00-光标显示OFF
#define ST7920_COM_DISPLAY_MODEL_B_OFF 0X00//0X01-光标反显ON;0X00-光标反显OFF
#define ST7920_COM_DISPLAY_MODEL ST7920_COM_DISPLAY_MODEL_D|ST7920_COM_DISPLAY_MODEL_C_OFF|ST7920_COM_DISPLAY_MODEL_B_OFF|0x08
#define ST7920_COM_DISPLAY_FUNCTION_DL 0X10//0X10-8位控制;0X00-4位控制
#define ST7920_COM_DISPLAY_FUNCTION_RE_OFF 0X00//0X00-基本指令;0X04-扩展指令
#define ST7920_COM_DISPLAY_FUNCTION 0X20|ST7920_COM_DISPLAY_FUNCTION_DL|ST7920_COM_DISPLAY_FUNCTION_RE_OFF
/**************************************************/
//---------------LCM常用命令定义------------------//
/**************************************************/
//该液晶为两个显示层，第一显示层为字符显示层，第二层为图形显示层，两个显示层的逻辑关系为异或（XOR）。
//正常指令：字符显示 扩展指令：图形显示
//字符模式下想显示反白体，需要在图形模式下完全点亮所有点：因为字符显示页与图形显示页是异或逻辑关系
#define Graphic_INI_LCM_PRECURSOR_BYTE 0x3E//液晶图形显示：初始化先导字
#define Graphic_STANDBY_MODE 0x01//液晶图形显示：进入开始图形显示模式
#define Graphic_START_ROW_ENABLE 0x02//液晶图形显示：关掉显示ROM转换
#define Graphic_SLEEP_MODE_AND_SET_GRAM_PAGR 0x0F//液晶图形显示：唤醒睡眠模式，单页显示图形
#define Graphic_DISPLAY_SHIFT_BY_DOT_0 0x17//液晶图形显示：所有线显示使能，点BY点左移转换
#define Graphic_DISPLAY_SHIFT_BY_DOT_1 0x10//液晶图形显示：所有线显示使能，点BY点右移转换
#define Graphic_FUNCTION_SET 0x3E//液晶图形显示：选择每图形16线显示，四行模式，图形显示打开，扩展指令
/*******************************液晶图形函数**********************************/
//display 128DOT X 64DOT Graphic
//点阵取膜：横向取膜
//每线16个字节数据，且第1线与第33线共用一个线地址，即对应线地址0x80写入32个正好写满第1、33两线，
//前16个字节数据从左自右顺序写入第1线，前16个字节数据从左自右顺序写入第33线。以下线依次对应，同上。
//注：也可以通过行、列地址对某一16DOT X 16DOT直接改写
#define Graphic_base_line_address 0x80//someoneline address numberbytes<=32,if it>32 then must separate line display
#define Graphic_display_base_column_1 0x80
#define Graphic_display_base_column_2 0x90
#define Graphic_display_base_column_3 0x88
#define Graphic_display_base_column_4 0x98
/*******************************************************************/
#define ALL_EN_NUM 95 //英文ASCII码长度
#define ALL_CN_NUM 188// 188 中文ASCII码长度
#define NUMBER_NUM 10 //输入支持数字数
#define MENUNAME_ALL_NUM 10 //菜单总长度
#define COMMAND_POWER 0x45
#define COMMAND_MENU 0x47
#define COMMAND_TEST 0x44
#define COMMAND_PLUS 0x40
#define COMMAND_EXIT 0x43
#define COMMAND_PREVIOUS 0x07
#define COMMAND_ENTER 0x15
#define COMMAND_NEXT 0x09
#define COMMAND_0 0x16
#define COMMAND_MINUS 0x19
#define COMMAND_C 0x0D
#define COMMAND_1 0x0C
#define COMMAND_2 0x18
#define COMMAND_3 0x5E
#define COMMAND_4 0x08
#define COMMAND_5 0x1C
#define COMMAND_6 0x5A
#define COMMAND_7 0x42
#define COMMAND_8 0x52
#define COMMAND_9 0x4A
typedef struct
{
INT8U para_1[5];//控制流量设定
INT8U para_2[4];//调节步幅
INT8U para_3;//控制方式
INT8U para_4[5];//慢调范围
INT8U para_5[4];//控制迟滞
INT8U para_6[5];//控制超时
INT8U para_7;//超时选择
INT8U para_8[4];//控制精度
INT8U para_9[4];//快调范围
INT8U para_10[3];//通讯地址
} _para_data_temp;
typedef enum
{
type_none,
type_auto,
type_over,
type_list1,
}_para_type;
typedef struct
{
INT8U *para_src;
INT8U para_len;
INT8U para_ptr;
INT8U para_mark[5];
INT8U para_buffer[5];
_para_type para_type[5];
INT8U para_ponit;
INT8U *para_end;
}_para_set;
typedef struct
{
INT16U now_flow;
INT8U now_flow_p;
INT8U now_flow_u;
INT16U set_flow;
INT8U set_flow_p;
INT8U set_flow_u;
INT8U r_state;
INT8U c_state;
INT8U total_p;
INT8U total_u;
}_disp_v;
typedef struct
{
INT16U c_flow;//控制流量设定
INT16U c_flow_p;//控制流量设定小数点
INT16U adj_setp;//调节步幅
INT16U c_type;//控制方式
INT16U sl_adjust;//慢调范围
INT16U sl_adjust_p;//慢调范围小数点
INT16U c_delay;//控制迟滞
INT16U c_over;//控制超时
INT16U over_select;//超时选择
INT16U c_accuracy;//控制精度
INT16U fast_adjust;//快调范围
INT16U com_address;//通讯地址
}_disp_p;
mLCD_EXT INT8U mLCD_Code_Buffer[5];
mLCD_EXT INT8U mLCD_Code_Num;
__no_init mLCD_EXT INT8U mLCD_DISP_Buffer[1024];
__no_init mLCD_EXT INT8U mLCD_DISP_Buffer_back[128];
mLCD_EXT _para_data_temp para_data_temp;
mLCD_EXT _disp_v disp_v;
mLCD_EXT _disp_p disp_p;
mLCD_EXT INT8U mLCD_Disp_Step;
mLCD_EXT INT8U mLCD_HostMenu_Num;
mLCD_EXT INT8U mLCD_RunInterface_Num;
mLCD_EXT INT8U Manual_CTL_Status;
mLCD_EXT INT8U mLCD_NumberCommand_Uncode(INT8U command);
mLCD_EXT void mLCD_InstructionWrite(INT8U WriteData);
mLCD_EXT void mLCD_DataWrite(INT8U WriteData);
mLCD_EXT void mLCD_Initiate(void);
mLCD_EXT void mLCD_Closed(void);
mLCD_EXT void mLCD_LCDDISP(void);
mLCD_EXT void mLCD_ClearLCD(void);
mLCD_EXT void mLCD_WriteString(INT8U x,INT8U y,const INT8U *DataBuf,INT8U DataBufLong);
mLCD_EXT void mLCD_WriteStrings(INT8U x,INT8U y,char *S1,INT8U Len);
mLCD_EXT void mLCD_WritePoint(INT8U x,INT8U y);
mLCD_EXT void mLCD_WritePoints(INT8U x,INT8U y);
mLCD_EXT void mLCD_WriteLine(INT8U x,INT8U y,INT8U linelong,INT8U lineflag);// 0横线 1竖线
mLCD_EXT void mLCD_WriteOpposition(INT8U x);
mLCD_EXT void mLCD_WriteMnu(INT8U x,INT8U y,INT8U AD,INT8U LA);
mLCD_EXT void mLCD_WriteMnu_ALL(INT8U now,INT8U end,INT8U LA);
mLCD_EXT void mLCD_Write_Run_Interface(void);
mLCD_EXT void mLCD_Write_Hand_Interface(INT8U step);
mLCD_EXT void mLCD_Write_Hand_Interface_Flow(void);
mLCD_EXT void mLCD_Write_Code_Interface(void);
mLCD_EXT void mLCD_Write_Set(INT8U *data,INT8U len,INT8U cursor,_para_type *type,INT8U point,INT8U *end);
mLCD_EXT void mLCD_WriteMnu_Set_Interface(INT8U mnu_num);
mLCD_EXT void mLCD_Data_Read(INT8U mnu_num);
mLCD_EXT void mLCD_Data_Save(INT8U mnu_num);
mLCD_EXT INT8U mLCD_LCD_Response_Key(void);
mLCD_EXT void mLCD_WriteLineNum(INT8U x,INT8U y,INT8U len,INT32U num);
mLCD_EXT void mLCD_Demo_Display(void);
mLCD_EXT void mLCD_ClearScreen(void);
由 LiangJian 写于 2019 年 10 月 15 日