Revision 0:b06425bd412a, committed 2013-03-09

Comitter:

COX

Date:

Sat Mar 09 21:07:54 2013 +0000

Child:

1:0dee51d54fd6

Commit message:

functional version

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD4884.lib	Sat Mar 09 21:07:54 2013 +0000
@@ -0,0 +1,1 @@
+LCD4884#28f3c9274ea7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA8451Q.lib	Sat Mar 09 21:07:54 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/emilmont/code/MMA8451Q/#c4d879a39775

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Mar 09 21:07:54 2013 +0000
@@ -0,0 +1,475 @@
+#include "mbed.h"
+#include "LCD4884.h"
+#include "MMA8451Q.h"
+
+#define MMA8451_I2C_ADDRESS (0x1d<<1)
+#define SERIAL_FREQ 10
+    
+//keypad debounce parameter
+#define DEBOUNCE_MAX 10
+//#define DEBOUNCE_ON  10
+//#define DEBOUNCE_OFF 3 
+ 
+#define NUM_KEYS 5
+ 
+#define NUM_MENU_ITEM   6
+ 
+// 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  4      // 0-83
+#define MENU_Y  0       // 0-5
+
+/*------------------------------------------------------------------------------
+; DFrobot bitmap - size 48x24 pixels, black/white image
+------------------------------------------------------------------------------*/
+unsigned char demo_bmp[]=
+
+{
+0x00,0x00,0x10,0x20,0x20,0x60,0xE0,0xC0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xC0,0xC0,0xF0,0xF0,0xF8,0xF8,0xFC,0xFC,0x3E,0x3E,0x32,0x61,0x00,0x00,
+0x00,0x00,0x61,0x32,0x3E,0x3E,0xFC,0xFC,0xF8,0xF8,0xF0,0xF0,0xC0,0xC0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0xC0,0xE0,0x60,0x20,0x20,0x10,0x00,0x00,
+
+0x00,0x00,0x00,0x00,0x00,0x08,0x78,0xF3,0xFB,0xF3,0x1B,0x18,0xE8,0xEC,0xC0,0xC4,0xC0,0xF0,0xE0,0x70,0x73,0xE7,0xFE,0xFE,0xF8,0xFE,0xDE,0x0F,0x0F,0xBF,0xFF,0xEB,0x83,0x06,0x06,0x0F,0x0F,0x1C,0x18,0x20,0x00,0x00,
+0x00,0x00,0x20,0x18,0x1C,0x0F,0x0F,0x06,0x06,0x83,0xEB,0xFF,0xBF,0x0F,0x0F,0xDE,0xFE,0xF8,0xFE,0xFE,0xE7,0x73,0x70,0xE0,0xF0,0xC0,0xC4,0xC0,0xEC,0xE8,0x18,0x1B,0xF3,0xFB,0xF3,0x78,0x08,0x00,0x00,0x00,0x00,0x00,
+
+0x00,0x00,0x02,0x03,0x03,0x03,0x03,0x06,0x06,0x0F,0x1F,0x2E,0x68,0xF3,0xE7,0xEF,0xDF,0x9D,0xBC,0xB8,0xB8,0x9C,0xD8,0xE3,0x7F,0x7F,0xFE,0xF0,0xC7,0x87,0x07,0x07,0xFF,0x7E,0x1C,0xFC,0xFC,0xFC,0xFC,0xFE,0xE0,0xF8,
+0xF8,0xE0,0xFE,0xFC,0xFC,0xFC,0xFC,0x1C,0x7E,0xFF,0x07,0x07,0x87,0xC7,0xF0,0xFE,0x7F,0x7F,0xE3,0xD8,0x9C,0xB8,0xB8,0xBC,0x9D,0xDF,0xEF,0xE7,0xF3,0x68,0x2E,0x1F,0x0F,0x06,0x06,0x03,0x03,0x03,0x03,0x02,0x00,0x00,
+
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x21,0x39,0x1F,0x0F,0x0F,0x0F,0x0F,0x0F,0x0E,0x0E,0x1E,0x1F,0x3F,0x7F,0xFE,0xFC,0xF9,0xF2,0xFE,0xF8,0xE3,0x8F,0xE7,0xCF,0xC7,
+0xC7,0xCF,0xE7,0x8F,0xE3,0xF8,0xFE,0xF2,0xF9,0xFC,0xFE,0x7F,0x3F,0x1F,0x1E,0x0E,0x0E,0x0F,0x0F,0x0F,0x0F,0x0F,0x1F,0x39,0x21,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xDF,0x3F,0x01,0x03,0x07,0x0F,0x1F,0x3F,0xFF,0xFF,
+0xFF,0xFF,0x3F,0x1F,0x0F,0x07,0x03,0x01,0x3F,0xDF,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};
+/******************************************************************************/
+ 
+ 
+/*------------------------------------------------------------------------------
+; DFrobot chinese - size 12x12  
+------------------------------------------------------------------------------*/
+/*unsigned char DFrobot_chinese[]=
+{
+  0x84,0x64,0xFF,0x24,0x44,0xFE,0x02,0x02,0xFF,0x02,0x00,0x00,0x01,0x00,0x07,0x04,0x02,0x01,0x00,0x00,0x07,0x04,0x07,0x00,
+  0xA0,0xAF,0xA9,0xE9,0xAF,0x30,0xAF,0xA9,0xF9,0xAF,0xA0,0x00,0x00,0x07,0x04,0x04,0x07,0x00,0x07,0x04,0x04,0x07,0x00,0x00,
+  0x00,0x00,0x00,0x80,0x60,0x1F,0x60,0x80,0x00,0x00,0x00,0x00,0x04,0x04,0x02,0x01,0x00,0x00,0x00,0x01,0x02,0x04,0x04,0x00,
+  0x22,0x12,0x0A,0xBF,0x6A,0x52,0x4A,0x7F,0xCA,0x12,0x22,0x00,0x04,0x05,0x05,0x04,0x05,0x02,0x02,0x01,0x00,0x00,0x00,0x00,
+  0x00,0x02,0x02,0x02,0x02,0xFE,0x02,0x02,0x03,0x02,0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x07,0x04,0x04,0x04,0x04,0x04,0x00,
+  0x00,0xFF,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,0x06,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
+};*/
+
+
+LCD4884 lcd;
+AnalogIn JStick(PTB0);
+Timeout readJStick;
+MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
+
+//DigitalOut TestPin1(PTA13);
+//DigitalOut TestPin2(PTD5);
+PwmOut r (LED_RED);
+PwmOut g (LED_GREEN);
+PwmOut b (LED_BLUE);
+
+PwmOut rgb[3] = {PwmOut(LED_RED), PwmOut(LED_GREEN), PwmOut(LED_BLUE)};
+
+//LEFT_KEY, CENTER_KEY, DOWN_KEY, RIGHT_KEY, UP_KEY
+float adc_key_val[5] ={
+  0.10, 0.20, 0.40, 0.60, 0.90 };
+
+float lcdBrightness = 1;
+float JStickReadSpeed = 0.015;
+float x, y, z;
+
+// debounce counters
+char button_count[NUM_KEYS];
+// button status - pressed/released
+char button_status[NUM_KEYS];
+ 
+// menu definition
+char menu_items[NUM_MENU_ITEM][14]={
+  "BRIGHTNESS",
+  "RGB",
+  "CHAR MAP",
+  "BITMAP",
+  "ACCELEROMETER",
+  "ABOUT"  
+};
+
+void brightness();
+void rgb_led_ctrl();
+void charmap();
+void bitmap();
+void accelerometer();
+void about();
+void init_MENU(void);
+void update_adc_key();
+void waitfor_OKkey();
+
+void (*menu_funcs[NUM_MENU_ITEM])(void) = {
+  brightness,
+  rgb_led_ctrl,
+  charmap,
+  bitmap,
+  accelerometer,
+  about
+};
+ 
+char current_menu_item = 0;
+char rgb_menu_item = 0;
+
+void setup()
+{
+ 
+  /* reset button arrays */
+  for(char i=0; i<NUM_KEYS; i++){
+    button_count[i]=0;
+    button_status[i]=0;
+  }
+ 
+  lcd.LCD_init();
+  lcd.LCD_clear();
+
+  /*Setup RGB LED*/
+  rgb[0].period_us(100);
+  for(char i=0; i<3; i++){
+    rgb[i] = 1;
+  }
+
+  /*Menu initialization*/
+  init_MENU();
+  current_menu_item = 0;    
+ 
+  lcd.backlight(ON);//Turn on the backlight
+  
+  readJStick.attach(&update_adc_key, JStickReadSpeed);
+}
+ 
+unsigned long buttonFlasher = 0;
+ 
+/* loop */
+ 
+void loop()
+{
+  for(char i=0; i<NUM_KEYS; i++){
+    if(button_status[i] != 0){
+        button_status[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 );
+                if(current_menu_item == 0)
+                    current_menu_item = NUM_MENU_ITEM -1;
+                else
+                    current_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:
+            case RIGHT_KEY:
+                init_MENU();
+                current_menu_item = 0;
+                break;*/
+
+            case CENTER_KEY:
+                lcd.LCD_clear();
+                lcd.LCD_write_string(36, 5, "OK", MENU_HIGHLIGHT );
+                (*menu_funcs[current_menu_item])();
+                init_MENU();
+                break;  
+            }
+        }
+    }
+}
+ 
+/* menu functions */
+ 
+void init_MENU(void)
+{
+  lcd.LCD_clear();
+
+  for (char i=0; i<NUM_MENU_ITEM; i++){
+    if(i==current_menu_item)
+        lcd.LCD_write_string(MENU_X, MENU_Y+i, menu_items[i], MENU_HIGHLIGHT);
+    else
+        lcd.LCD_write_string(MENU_X, MENU_Y+i, menu_items[i], MENU_NORMAL);
+  }
+}
+ 
+// waiting for center key press
+void waitfor_OKkey()
+{
+    char stay = 1;
+    
+    while(stay)
+    {
+        for(char i=0; i<NUM_KEYS; i++)
+        {
+            if(button_status[i] != 0){
+                if(CENTER_KEY == i)
+                {
+                    stay = 0;
+                    button_status[i] = 0;
+                }
+            }
+        }
+    }
+}
+ 
+void brightness()
+{
+  char redraw = 1;
+  
+  lcd.LCD_write_string(14, 1, "LCD", MENU_NORMAL);
+
+  while(1)
+  {
+    if(redraw)
+    {
+        lcd.LCD_set_XY(12,2);
+        for(char i=0; i<10; i++)
+        {
+            if(i < lcdBrightness * 10)
+                lcd.LCD_write_char(92, MENU_NORMAL);
+            else
+                lcd.LCD_write_char(95, MENU_NORMAL);
+        }
+        redraw = 0;
+    }
+    
+    if (button_status[RIGHT_KEY])
+    {
+        button_status[RIGHT_KEY] = 0;
+        redraw = 1;
+        if(lcdBrightness < 1)
+        {
+            lcdBrightness += 0.1;
+            lcd.backlight(lcdBrightness);
+        }
+    }
+    if (button_status[LEFT_KEY])
+    {
+        button_status[LEFT_KEY] = 0;
+        redraw = 1;
+        if(lcdBrightness > 0)
+        {
+            lcdBrightness -= 0.1;
+            lcd.backlight(lcdBrightness);
+        }
+    }
+    
+    if (button_status[CENTER_KEY])
+    {
+        button_status[CENTER_KEY] = 0;
+        break;
+    }
+  }
+}
+
+void rgb_led_ctrl()
+{
+  char redraw = 1;
+  float temp;
+  
+  lcd.LCD_write_string(14, 0, "RGB", MENU_NORMAL);
+
+  while(1)
+  {
+    if(redraw)
+    {
+      lcd.LCD_write_string(5, 2, "R:", (rgb_menu_item == 0)?MENU_HIGHLIGHT:MENU_NORMAL);
+      lcd.LCD_write_string(5, 3, "G:", (rgb_menu_item == 1)?MENU_HIGHLIGHT:MENU_NORMAL);
+      lcd.LCD_write_string(5, 4, "B:", (rgb_menu_item == 2)?MENU_HIGHLIGHT:MENU_NORMAL);
+
+        for(char j=0; j<3; j++)
+        {
+            lcd.LCD_set_XY(17,2+j);
+            temp = rgb[j];
+            for(char i=0; i<10; i++)
+            {
+                if(i < (1-temp)*10)
+                    lcd.LCD_write_char(92, MENU_NORMAL);
+                else
+                    lcd.LCD_write_char(32, MENU_NORMAL);
+            }
+        }
+        redraw = 0;
+    }
+    
+    if (button_status[RIGHT_KEY])
+    {
+        button_status[RIGHT_KEY] = 0;
+        redraw = 1;
+        temp = rgb[rgb_menu_item];
+        if(temp > 0){
+            rgb[rgb_menu_item] = temp - 0.1;
+        }
+    }
+    if (button_status[LEFT_KEY])
+    {
+        button_status[LEFT_KEY] = 0;
+        redraw = 1;
+        temp = rgb[rgb_menu_item];
+        if(temp < 1){
+            rgb[rgb_menu_item] = temp + 0.1;
+        }
+    }
+    if (button_status[UP_KEY])
+    {
+        button_status[UP_KEY] = 0;
+        redraw = 1;
+        if(rgb_menu_item == 0)
+            rgb_menu_item = 2;
+        else
+            rgb_menu_item--;
+    }
+    if (button_status[DOWN_KEY])
+    {
+        button_status[DOWN_KEY] = 0;
+        redraw = 1;
+        if(rgb_menu_item == 2)
+            rgb_menu_item = 0;
+        else
+            rgb_menu_item++;
+    }
+    
+    if (button_status[CENTER_KEY])
+    {
+        button_status[CENTER_KEY] = 0;
+        break;
+    }
+  }
+}
+ 
+void charmap(){
+  char i,j;
+  for(i=0; i<5; i++){
+    for(j=0; j<14; j++){
+      lcd.LCD_set_XY(j*6,i);
+      lcd.LCD_write_char(i*14+j+32, MENU_NORMAL);
+    }
+  }
+  waitfor_OKkey();   
+}
+ 
+void bitmap(){
+  lcd.LCD_draw_bmp_pixel(0,0, demo_bmp, 84,40);
+  //lcd.LCD_write_chinese(6,3, DFrobot_chinese,12,6,0,0);
+  waitfor_OKkey();
+}
+ 
+void accelerometer(){
+    while(1)
+    {
+        x = abs(acc.getAccX());
+        y = abs(acc.getAccY());
+        z = abs(acc.getAccZ());
+        wait(0.1);
+        lcd.LCD_set_XY(5,2);
+        lcd.LCD_write_char(48+int(x),MENU_NORMAL);
+        lcd.LCD_write_char('.',MENU_NORMAL);
+        lcd.LCD_write_char(48+int((x-int(x))*10),MENU_NORMAL);
+        lcd.LCD_set_XY(32,2);
+        lcd.LCD_write_char(48+int(y),MENU_NORMAL);
+        lcd.LCD_write_char('.',MENU_NORMAL);
+        lcd.LCD_write_char(48+int((y-int(y))*10),MENU_NORMAL);
+        lcd.LCD_set_XY(59,2);
+        lcd.LCD_write_char(48+int(z),MENU_NORMAL);
+        lcd.LCD_write_char('.',MENU_NORMAL);
+        lcd.LCD_write_char(48+int((z-int(z))*10),MENU_NORMAL);
+        if (button_status[CENTER_KEY])
+        {
+            button_status[CENTER_KEY] = 0;
+            break;
+        }
+    }
+}
+void about(){
+  lcd.LCD_write_string( 0, 1, "LCD4884 Shield", MENU_NORMAL);
+  lcd.LCD_write_string( 0, 3, "sainsmart.com", MENU_NORMAL);
+  waitfor_OKkey();
+}
+ 
+// which includes DEBOUNCE ON/OFF mechanism, and continuous pressing detection
+// Convert ADC value to key number
+ 
+char get_key(float input)
+{
+  char k;
+ 
+  for (k = 0; k < NUM_KEYS; k++)
+  {
+    if (input < adc_key_val[k])
+    {
+      return k;
+    }
+  }
+  if (k >= NUM_KEYS)
+    k = NUM_KEYS;     // No valid key pressed
+ 
+  return k;
+}
+
+//poor attempt at a debounce mechanism. 
+void update_adc_key(){
+  float adc_key_in;
+  char key_in;
+  char i;
+
+//TestPin2 = HIGH;
+
+  adc_key_in = JStick.read();
+
+  key_in = get_key(adc_key_in);
+  for(i=0; i<NUM_KEYS; i++)
+  {
+    if(key_in == i)  //one key is pressed 
+    {
+        if(button_count[i] < DEBOUNCE_MAX) button_count[i]++;
+        if(button_count[i] == DEBOUNCE_MAX){
+            button_status[i] = 1;
+            button_count[i] = 1;
+            JStickReadSpeed = 0.200;
+        }
+    }
+    else // no button pressed
+    {
+        if(button_count[i] > 0) button_count[i]--;
+        if(button_count[i] == 0){
+            button_status[i] = 0;
+            JStickReadSpeed = 0.015;
+        }
+    }
+  }
+
+  readJStick.attach(&update_adc_key, JStickReadSpeed);
+
+//TestPin2 = LOW;
+
+}
+
+int main(void)
+{
+    lcd = LCD4884();
+    setup();
+    while(1) {
+        //TestPin1 = HIGH;
+        loop();
+        //TestPin1 = LOW;
+    };
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat Mar 09 21:07:54 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b
\ No newline at end of file