“(SKU:RB-05L007)LCD4884液晶摇杆扩展板”的版本间的差异

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* USB数据通信线×1
 
* USB数据通信线×1
 
===例子程序===
 
===例子程序===
−
程序上传前需要先[http://pan.baidu.com/s/1gdg4omv 点此下载]LCD4884 程序使用到的库文件，将它放到Arduino安装目录下的libraries文件夹下.<br/>
+
程序上传前需要先[http://pan.baidu.com/s/1geAGlG3 点此下载]LCD4884 程序使用到的库文件，将它放到Arduino安装目录下的libraries文件夹下<br/>
−
<big><big>'''注意：LCD4884液晶显示模块不能与1.6以上版本的IDE兼容，需要使用老版本的IDE进行编译，例如：1.0.4、1.0.5<br/>
+
−
老版本IDE下载地址：http://www.arduino.cc/en/Main/OldSoftwareReleases'''</big></big>
+
 
<pre style='color:blue'>
 
<pre style='color:blue'>
−
#include "LCD4884.h"
+
/* YourDuinoStarter Example: LCD SHIELD with 'Joystick' button
−
#include "Robotbase_bmp.h"
+
- WHAT IT DOES Displays on LCD4884, reads button
−
#include "Robotbase.h"
+
- SEE the comments after "//" on each line below
−
//keypad debounce parameter
+
  - CONNECTIONS:
−
#define DEBOUNCE_MAX 15
+
  - LCD 4884 Shield has all connections
−
#define DEBOUNCE_ON 10
+
  -
−
#define DEBOUNCE_OFF 3
+
  NOTE: Start Serial Monitor to see switch voltage values
−
#define NUM_KEYS 5
+
  - V1.00 02/08/2016
−
#define NUM_MENU_ITEM 4
+
  Questions: terry@yourduino.com */
−
// joystick number
+
−
#define LEFT_KEY 0
+
−
#define CENTER_KEY 1
+
−
#define DOWN_KEY 2
+
−
#define RIGHT_KEY 3
+
−
#define UP_KEY 4
+
−
// menu starting points
+
−
#define MENU_X 10 // 0-83
+
−
#define MENU_Y 1 // 0-5
+
−
int analogPin = 1;
+
−
int ADC_result = 0;
+
−
char qian = 0,bai = 0,shi = 0,ge = 0;
+
−
int adc_key_val[5] ={ 50, 200, 400, 600, 800 };
+
−
// debounce counters
+
−
byte button_count[NUM_KEYS];
+
−
// button status - pressed/released
+
−
byte button_status[NUM_KEYS];
+
−
// button on flags for user program
+
−
byte button_flag[NUM_KEYS];
+
  
−
// menu definition
+
/*-----( Import needed libraries )-----*/
−
char menu_items[NUM_MENU_ITEM][12]={
+
#include <LCD4884.h>  // UPDATED version 2/16 Yourduino
−
  "Temperature",
+
/*-----( Declare Constants and Pin Numbers )-----*/
−
  " Char Map ",
+
#define LCD_BACKLIGHT_PIN 7
−
  "  Picture  ",
+
 
−
  "  About  "
+
/*-----( Declare objects )-----*/
−
};
+
//None: Included in library
−
void (*menu_funcs[NUM_MENU_ITEM])(void) = {
+
/*-----( Declare Variables )-----*/
−
  temperature,
+
int displayDelay = 1000;
−
  charmap,
+
int switchDelay  = 100; // Switch scanning delay
−
  bitmap,
+
int switchVoltage ;   // From Analog read of the button resistors
−
  about
+
 
−
};
+
void setup()   /****** SETUP: RUNS ONCE ******/
−
char current_menu_item;
+
−
void setup()
+
 
{
 
{
−
   // setup interrupt-driven keypad arrays 
+
   Serial.begin(115200);
−
   // reset button arrays
+
  pinMode(LCD_BACKLIGHT_PIN, OUTPUT);
−
   for(byte i=0; i<NUM_KEYS; i++){
+
  lcd.LCD_init(); // creates instance of LCD
−
     button_count[i]=0;
+
   lcd.LCD_clear(); // blanks the display
−
     button_status[i]=0;
+
   for (int a = 0; a < 5; a++)
−
     button_flag[i]=0;
+
  {
 +
     digitalWrite(LCD_BACKLIGHT_PIN, LOW);
 +
     delay(300);
 +
     digitalWrite(LCD_BACKLIGHT_PIN, HIGH);
 +
    delay(300);
 
   }
 
   }
−
   // Setup timer2 -- Prescaler/256
+
   for (int a = 0; a < 6; a++)
−
  TCCR2A &= ~((1<<WGM21) | (1<<WGM20));
+
   {
−
  TCCR2B &= ~(1<<WGM22);
+
     lcd.LCD_write_string(0, a, "01234567980123", MENU_NORMAL); // ignore MENU_NORMAL for now
−
  TCCR2B = (1<<CS22)|(1<<CS21);     
+
    delay(displayDelay);
−
  ASSR |=(0<<AS2);
+
−
  // Use normal mode 
+
−
  TCCR2A =0;   
+
−
  //Timer2 Overflow Interrupt Enable 
+
−
  TIMSK2 |= (0<<OCIE2A);
+
−
  TCNT2=0x6;  // counting starts from 6;
+
−
  TIMSK2 = (1<<TOIE2);   
+
−
   SREG|=1<<SREG_I;
+
−
  lcd.LCD_init();
+
−
  lcd.LCD_clear();
+
−
  //menu initialization
+
−
  init_MENU();
+
−
  current_menu_item = 0;
+
−
  lcd.backlight(ON);//Turn on the backlight
+
−
  //lcd.backlight(OFF); // Turn off the backlight 
+
−
}
+
−
/* loop */
+
−
void loop()
+
−
{
+
−
  byte i;
+
−
  for(i=0; i<NUM_KEYS; i++){
+
−
     if(button_flag[i] !=0){
+
−
      button_flag[i]=0;  // reset button flag
+
−
      switch(i){
+
−
      case UP_KEY:
+
−
        // current item to normal display
+
−
        lcd.LCD_write_string(MENU_X, MENU_Y + current_menu_item, menu_items[current_menu_item], MENU_NORMAL );
+
−
        current_menu_item -=1;
+
−
        if(current_menu_item <0)  current_menu_item = NUM_MENU_ITEM -1;
+
−
        // next item to highlight display
+
−
        lcd.LCD_write_string(MENU_X, MENU_Y + current_menu_item, menu_items[current_menu_item], MENU_HIGHLIGHT );
+
−
        break;
+
−
      case DOWN_KEY:
+
−
        // current item to normal display
+
−
        lcd.LCD_write_string(MENU_X, MENU_Y + current_menu_item, menu_items[current_menu_item], MENU_NORMAL );
+
−
        current_menu_item +=1;
+
−
        if(current_menu_item >(NUM_MENU_ITEM-1))  current_menu_item = 0;
+
−
        // next item to highlight display
+
−
        lcd.LCD_write_string(MENU_X, MENU_Y + current_menu_item, menu_items[current_menu_item], MENU_HIGHLIGHT );
+
−
        break;
+
−
      case LEFT_KEY:
+
−
        init_MENU();
+
−
        current_menu_item = 0;
+
−
        break; 
+
−
      case CENTER_KEY:
+
−
        lcd.LCD_clear();
+
−
        (*menu_funcs[current_menu_item])();
+
−
        lcd.LCD_clear();
+
−
        init_MENU();
+
−
        current_menu_item = 0;         
+
−
        break;
+
−
      }
+
−
    }
+
 
   }
 
   }
−
}
+
  delay(displayDelay);
−
/* menu functions */
+
   lcd.LCD_clear();   // blanks the display
−
void init_MENU(void){
+
   delay(500);
−
  byte i;
+
   // Show the BIG characters (0..9, + - only)
−
   lcd.LCD_clear();
+
  lcd.LCD_write_string_big(0, 0, "012345", MENU_NORMAL);
−
   lcd.LCD_write_string(MENU_X, MENU_Y, menu_items[0], MENU_HIGHLIGHT );
+
   lcd.LCD_write_string_big(0, 3, "-+-+-+", MENU_NORMAL);
−
   for (i=1; i<NUM_MENU_ITEM; i++){
+
   delay(1000);
−
    lcd.LCD_write_string(MENU_X, MENU_Y+i, menu_items[i], MENU_NORMAL);
+
  lcd.LCD_clear();  // now  read the joystick using analogRead(0
−
   }
+
 
−
}
+
}//--(end setup )---
−
// waiting for center key press
+
 
−
void waitfor_OKkey(){
+
 
−
  byte i;
+
void loop()   /****** LOOP: RUNS CONSTANTLY ******/
−
   byte key = 0xFF;
+
−
  while (key!= CENTER_KEY){
+
−
    for(i=0; i<NUM_KEYS; i++){
+
−
      if(button_flag[i] !=0){
+
−
        button_flag[i]=0;  // reset button flag
+
−
        if(i== CENTER_KEY) key=CENTER_KEY;
+
−
      }
+
−
    }
+
−
  }
+
−
}
+
−
void temperature()
+
 
{
 
{
−
   byte i;
+
   lcd.LCD_write_string(1, 1, "PUSH A BUTTON", MENU_NORMAL);
−
  byte key = 0xFF;
+
  switchVoltage = analogRead(0);
−
  while (key!= CENTER_KEY){
+
  Serial.print("Switch analog value = ");
−
    ADC_result = analogRead(analogPin);
+
  Serial.println(switchDelay);
−
    qian = ADC_result / 1000;
+
 
−
    bai = ADC_result % 1000 / 100;
+
  if (switchVoltage == 0)
−
    shi = ADC_result % 1000 % 100 / 10;
+
  {
−
    ge = ADC_result % 10;
+
     lcd.LCD_write_string(2, 2, "LEFT ", MENU_NORMAL);
−
    lcd.LCD_write_char_big(10, 1, '+', MENU_NORMAL);
+
−
    lcd.LCD_write_char_big(22, 1, qian-48, MENU_NORMAL);
+
−
    lcd.LCD_write_char_big(35, 1, bai-48, MENU_NORMAL);
+
−
    lcd.LCD_write_char_big(48, 1, '.', MENU_NORMAL);
+
−
    lcd.LCD_write_char_big(51, 1, shi-48, MENU_NORMAL);
+
−
    lcd.LCD_write_char_big(64, 1, ge-48, MENU_NORMAL);
+
−
     lcd.LCD_write_string(78, 2, "C", MENU_NORMAL);
+
−
    lcd.LCD_write_string(36, 5, "OK", MENU_HIGHLIGHT );
+
−
    for(i=0; i<NUM_KEYS; i++){
+
−
      if(button_flag[i] !=0){
+
−
        button_flag[i]=0;  // reset button flag
+
−
        if(i== CENTER_KEY) key=CENTER_KEY;
+
−
      }
+
−
    }
+
 
   }
 
   }
−
}
+
   else if (switchVoltage > 0 && switchVoltage < 180)
−
void charmap(){
+
  {
−
  char i,j;
+
     lcd.LCD_write_string(2, 2, "PUSH IN", MENU_NORMAL);
−
   for(i=0; i<5; i++){
+
    delay(switchDelay);
−
     for(j=0; j<14; j++){
+
−
      lcd.LCD_set_XY(j*6,i);
+
−
      lcd.LCD_write_char(i*14+j+32, MENU_NORMAL);
+
−
    }
+
 
   }
 
   }
−
   lcd.LCD_write_string(36, 5, "OK", MENU_HIGHLIGHT );
+
   else if (switchVoltage > 180 && switchVoltage < 400)
−
  waitfor_OKkey(); 
+
−
}
+
−
void bitmap(){
+
−
  lcd.LCD_draw_bmp_pixel(0,0, Robotbase_bmp, 84,24);
+
−
  lcd.LCD_write_chinese(12,3, Robotbase_chinese,12,5,0,0);
+
−
  lcd.LCD_write_string(36, 5, "OK", MENU_HIGHLIGHT );
+
−
  waitfor_OKkey();
+
−
}
+
−
void about(){
+
−
  lcd.LCD_write_string( 0, 0, "LCD4884 Shield", MENU_NORMAL);
+
−
  lcd.LCD_write_string( 32, 1, "www", MENU_NORMAL);
+
−
  lcd.LCD_write_string( 10, 2, ".robotbase.", MENU_NORMAL);
+
−
  lcd.LCD_write_string( 35, 3, "cn", MENU_NORMAL);
+
−
  lcd.LCD_write_string(36, 5, "OK", MENU_HIGHLIGHT );
+
−
  waitfor_OKkey();
+
−
}
+
−
// The followinging are interrupt-driven keypad reading functions
+
−
// which includes DEBOUNCE ON/OFF mechanism, and continuous pressing detection
+
−
// Convert ADC value to key number
+
−
char get_key(unsigned int input)
+
−
{
+
−
  char k;
+
−
  for (k = 0; k < NUM_KEYS; k++)
+
 
   {
 
   {
−
     if (input < adc_key_val[k])
+
     lcd.LCD_write_string(2, 2, "DOWN ", MENU_NORMAL);
−
    {
+
     delay(switchDelay);
−
      return k;
+
−
     }
+
 
   }
 
   }
−
   if (k >= NUM_KEYS)
+
   else if (switchVoltage > 400 && switchVoltage < 600)
−
    k = -1;    // No valid key pressed
+
−
  return k;
+
−
}
+
−
void update_adc_key(){
+
−
  int adc_key_in;
+
−
  char key_in;
+
−
  byte i;
+
−
  adc_key_in = analogRead(0);
+
−
  key_in = get_key(adc_key_in);
+
−
  for(i=0; i<NUM_KEYS; i++)
+
 
   {
 
   {
−
     if(key_in==i) //one key is pressed
+
     lcd.LCD_write_string(2, 2, "RIGHT", MENU_NORMAL);
−
    {
+
     delay(switchDelay);
−
      if(button_count[i]<DEBOUNCE_MAX)
+
−
      {
+
−
        button_count[i]++;
+
−
        if(button_count[i]>DEBOUNCE_ON)
+
−
        {
+
−
          if(button_status[i] == 0)
+
−
          {
+
−
            button_flag[i] = 1;
+
−
            button_status[i] = 1; //button debounced to 'pressed' status
+
−
          }
+
−
        }
+
−
      }
+
−
     }
+
−
    else // no button pressed
+
−
    {
+
−
      if (button_count[i] >0)
+
−
      { 
+
−
        button_flag[i] = 0;
+
−
        button_count[i]--;
+
−
        if(button_count[i]<DEBOUNCE_OFF){
+
−
          button_status[i]=0;  //button debounced to 'released' status
+
−
        }
+
−
      }
+
−
    }
+
 
   }
 
   }
−
}
+
  else if (switchVoltage > 600 && switchVoltage < 800)
−
// Timer2 interrupt routine -
+
  {
−
// 1/(160000000/256/(256-6)) = 4ms interval
+
    lcd.LCD_write_string(2, 2, "UP  ", MENU_NORMAL);
 +
    delay(switchDelay);
 +
  }
 +
  else if (switchVoltage > 800)              {
 +
    lcd.LCD_write_string(2, 2, "NONE    ", MENU_NORMAL);
 +
    delay(switchDelay);
 +
  }
 +
 
 +
}  //--(end main loop )---
 +
 
 +
/*-----( Declare User-written Functions )-----*/
 +
//NONE
  
−
ISR(TIMER2_OVF_vect) { 
+
//*********( THE END )***********
−
  TCNT2  = 6;
+
−
  update_adc_key();
+
−
}
+
 
</pre>
 
</pre>
  

2016年4月29日 (五) 13:26的版本


Faef1.jpg

目录

产品概述

最新推出的LCD4884 LCD Joystick Shield v2.0 LCD4884液晶屏扩展板是哈尔滨奥松机器人科技有限公司研发的一款黑白屏液晶扩展板。此扩展板采用Nokia 5110液晶屏为显示器件。SPI接口，最大限度的节省I/O资源。特别添加五向摇杆，方便实现搭建人机互动接口，剩余的模拟与数字接口全部用插针引出，便于安装其它传感器与模块。本品适用于各种开发板和控制器，例如：Arduino控制器、STC单片机、AVR单片机等。

规格参数

  1. 产品名称：LCD4884液晶摇杆扩展板
  2. 产品货号：RB-05L007
  3. 工作电压：DC5V
  4. 产品类型：Arduino扩展板
  5. 制作工艺：FR4双面喷锡
  6. 人性化设计：具有可人机互动接口“五项摇杆”
  7. 工作温度：10℃-30℃
  8. 重量：28g
  9. 产品尺寸：69.47mm x 53.34mm x 18mm
  10. 发货清单：LCD4884液晶摇杆扩展板×1
  11. 包装方式：静电袋密封
  12. 选配配件：3PIN传感器连接线、Arduino 328控制器等
  13. 板载资源：
  • 数字接口：8个
  • 模拟输入借口：5个
  • 48×84液晶：1个
  • 无向摇杆按键：1个
  • 系统复位按键：1个

使用方法

使用硬件

  • Carduino UNO 控制器 * 1个
  • LCD4884 Joystick Shield ×1
  • USB数据通信线×1

例子程序

程序上传前需要先点此下载LCD4884 程序使用到的库文件，将它放到Arduino安装目录下的libraries文件夹下

/* YourDuinoStarter Example: LCD SHIELD with 'Joystick' button
 - WHAT IT DOES Displays on LCD4884, reads button
 - SEE the comments after "//" on each line below
 - CONNECTIONS:
   - LCD 4884 Shield has all connections
   -
   NOTE: Start Serial Monitor to see switch voltage values
 - V1.00 02/08/2016
   Questions: terry@yourduino.com */

/*-----( Import needed libraries )-----*/
#include <LCD4884.h>  // UPDATED version 2/16 Yourduino
/*-----( Declare Constants and Pin Numbers )-----*/
#define LCD_BACKLIGHT_PIN  7

/*-----( Declare objects )-----*/
//None: Included in library
/*-----( Declare Variables )-----*/
int displayDelay = 1000;
int switchDelay  = 100;  // Switch scanning delay
int switchVoltage ;   // From Analog read of the button resistors

void setup()   /****** SETUP: RUNS ONCE ******/
{
  Serial.begin(115200);
  pinMode(LCD_BACKLIGHT_PIN, OUTPUT);
  lcd.LCD_init(); // creates instance of LCD
  lcd.LCD_clear(); // blanks the display
  for (int a = 0; a < 5; a++)
  {
    digitalWrite(LCD_BACKLIGHT_PIN, LOW);
    delay(300);
    digitalWrite(LCD_BACKLIGHT_PIN, HIGH);
    delay(300);
  }
  for (int a = 0; a < 6; a++)
  {
    lcd.LCD_write_string(0, a, "01234567980123", MENU_NORMAL); // ignore MENU_NORMAL for now
    delay(displayDelay);
  }
  delay(displayDelay);
  lcd.LCD_clear();   // blanks the display
  delay(500);
  // Show the BIG characters (0..9, + - only)
  lcd.LCD_write_string_big(0, 0, "012345", MENU_NORMAL);
  lcd.LCD_write_string_big(0, 3, "-+-+-+", MENU_NORMAL);
  delay(1000);
  lcd.LCD_clear();  // now  read the joystick using analogRead(0

}//--(end setup )---


void loop()   /****** LOOP: RUNS CONSTANTLY ******/
{
  lcd.LCD_write_string(1, 1, "PUSH A BUTTON", MENU_NORMAL);
  switchVoltage = analogRead(0);
  Serial.print("Switch analog value = ");
  Serial.println(switchDelay);

  if (switchVoltage == 0)
  {
    lcd.LCD_write_string(2, 2, "LEFT ", MENU_NORMAL);
  }
  else if (switchVoltage > 0 && switchVoltage < 180)
  {
    lcd.LCD_write_string(2, 2, "PUSH IN", MENU_NORMAL);
    delay(switchDelay);
  }
  else if (switchVoltage > 180 && switchVoltage < 400)
  {
    lcd.LCD_write_string(2, 2, "DOWN ", MENU_NORMAL);
    delay(switchDelay);
  }
  else if (switchVoltage > 400 && switchVoltage < 600)
  {
    lcd.LCD_write_string(2, 2, "RIGHT", MENU_NORMAL);
    delay(switchDelay);
  }
  else if (switchVoltage > 600 && switchVoltage < 800)
  {
    lcd.LCD_write_string(2, 2, "UP   ", MENU_NORMAL);
    delay(switchDelay);
  }
  else if (switchVoltage > 800)              {
    lcd.LCD_write_string(2, 2, "NONE    ", MENU_NORMAL);
    delay(switchDelay);
  }

}  //--(end main loop )---

/*-----( Declare User-written Functions )-----*/
//NONE

//*********( THE END )***********

程序效果

Faef2.jpg
Faef3.jpg
Faef4.jpg
Faef5.jpg

视频演示

LCD4884 01.png


















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