Initial commit

OpenZero/Lcd/Lcd.c

@@ -0,0 +1,184 @@
+#ifndef F_CPU
+	#define F_CPU		1000000UL
+#endif
+
+#define TICKERSPEED		250		// msec
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+#include "Lcd.h"
+#include "ZeroLcd.h"
+#include "../Time/Rtc.h"
+
+volatile uint16_t ticker = 0;
+
+ISR(TIMER0_OVF_vect) 
+{ 
+	ticker++;
+}
+
+void LCD_Init(void)
+{
+	/* Use 32 kHz crystal oscillator */
+	/* 1/3 Bias and 1/4 duty, SEG0:SEG24 is used as port pins, COM0:COM3 as common pins */
+	LCDCRB = (1<<LCDCS) | (1<<LCDMUX1) |(1<<LCDMUX0) | (1<<LCDPM2) | (1<<LCDPM1)|(1<<LCDPM0);
+	/* Using 16 as prescaler selection and 7 as LCD Clock Divide */
+	/* gives a frame rate of 49 Hz */
+	LCDFRR = (1<<LCDCD2) | (1<<LCDCD1);
+	/* Set segment drive time to 125 us and output voltage to 3.3 V*/
+	LCDCCR = (1<<LCDDC1) | (1<<LCDCC3) | (1<<LCDCC2) | (1<<LCDCC1);
+	/* Enable LCD, default waveform and interrupt enabled */
+	LCDCRA = (1<<LCDEN) | (1<<LCDIE);
+
+	// timer0 is being used a timer for the ticker tape	
+	TCCR0A = (1<<CS02)|(1<<CS00);	// timer clock = system clock / 1024
+	TIFR0 = (1<<TOV0);				// clear pending interrupts
+	TIMSK0 = (1<<TOIE0);			// enable timer0 overflow Interrupt
+}
+
+void LCD_tickertape( unsigned char *text, unsigned char len )
+{
+	for( int chars = 0; chars<=len-LCD_MAX_CHARS; chars++ )
+	{
+		for( int i = 0; i<LCD_MAX_CHARS; i++ )
+		{
+			Lcd_Map(i,*(text+i+chars));
+		}		
+
+		_delay_ms( TICKERSPEED );
+	}	
+}	
+
+void LCD_blinkYears( void )
+{
+	if( ticker % 2 )
+	{
+		Lcd_Map(0,' ');
+		Lcd_Map(1,' ');
+		Lcd_Map(2,' ');
+		Lcd_Map(3,' ');
+	}
+	else
+	{
+		Lcd_Map(0,'0'+(rtc.year/1000)%10);
+		Lcd_Map(1,'0'+(rtc.year/100)%10);
+		Lcd_Map(2,'0'+(rtc.year/10)%10);
+		Lcd_Map(3,'0'+rtc.year%10);
+	}		
+}
+
+void LCD_blinkMonths( void )
+{
+	if( ticker % 2 )
+	{
+		Lcd_Map(0,' ');
+		Lcd_Map(1,' ');
+	}
+	else
+	{
+		Lcd_Map(0,'0'+(rtc.month/10)%10);
+		Lcd_Map(1,'0'+rtc.month%10);
+	}		
+	Lcd_Map(2,'0'+(rtc.date/10)%10);
+	Lcd_Map(3,'0'+rtc.date%10);
+}
+
+void LCD_blinkDate( void )
+{
+	Lcd_Map(0,'0'+(rtc.month/10)%10);
+	Lcd_Map(1,'0'+rtc.month%10);
+	if( ticker % 2 )
+	{
+		Lcd_Map(2,' ');
+		Lcd_Map(3,' ');
+	}
+	else
+	{
+		Lcd_Map(2,'0'+(rtc.date/10)%10);
+		Lcd_Map(3,'0'+rtc.date%10);
+	}		
+}
+
+void LCD_blinkHours( void )
+{
+	if( ticker % 2 )
+	{
+		Lcd_Map(0,' ');
+		Lcd_Map(1,' ');
+	}
+	else
+	{
+		Lcd_Map(0,'0'+(rtc.hour/10)%10);
+		Lcd_Map(1,'0'+rtc.hour%10);
+	}		
+	Lcd_Map(2,'0'+(rtc.minute/10)%10);
+	Lcd_Map(3,'0'+rtc.minute%10);
+}
+
+void LCD_blinkMinutes( void )
+{
+	Lcd_Map(0,'0'+(rtc.hour/10)%10);
+	Lcd_Map(1,'0'+rtc.hour%10);
+	if( ticker % 2 )
+	{
+		Lcd_Map(2,' ');
+		Lcd_Map(3,' ');
+	}
+	else
+	{
+		Lcd_Map(2,'0'+(rtc.minute/10)%10);
+		Lcd_Map(3,'0'+rtc.minute%10);
+	}		
+}
+
+void LCD_showTime( void )
+{
+	Lcd_Map(0,'0'+(rtc.hour/10)%10);
+	Lcd_Map(1,'0'+rtc.hour%10);
+	Lcd_Map(2,'0'+(rtc.minute/10)%10);
+	Lcd_Map(3,'0'+rtc.minute%10);
+
+	// or use itoa() function
+}
+
+void LCD_writeText( unsigned char *text )
+{
+	for( int i = 0; i<LCD_MAX_CHARS; i++ )
+	{
+		Lcd_Map(i,*(text+i));
+	}		
+}
+
+void LCD_writeNum( uint16_t num )
+{
+	if( num>=1000 )
+		Lcd_Map(0,'0'+(num/1000)%10);
+	else
+		Lcd_Map(0,' ');
+	if(num>=100)
+		Lcd_Map(1,'0'+(num/100)%10);
+	else
+		Lcd_Map(1,' ');
+	if(num>=10)
+		Lcd_Map(2,'0'+(num/10)%10);
+	else
+		Lcd_Map(2,' ');
+	Lcd_Map(3,'0'+num%10);
+}
+
+void LCD_progressbar(uint16_t value, uint16_t max)
+{
+	uint32_t numbars = value;
+	numbars *= MAXBARS;
+	numbars /= max;
+
+	for(uint8_t i = 0; i<MAXBARS; i++ )
+	{
+		if( i<numbars )
+			Lcd_Bar( i, 1 );
+		else
+			Lcd_Bar( i, 0 );
+	}	
+}	

OpenZero/Lcd.h → OpenZero/Lcd/Lcd.h

@@ -1,15 +1,18 @@
 #ifndef _LCD_H
 #define _LCD_H
 
+#define LCD_MAX_CHARS	4
+
 void LCD_Init(void);
-void LCD_ticker( unsigned char *text );
 void LCD_blinkYears( void );
 void LCD_blinkMonths( void );
 void LCD_blinkDate( void );
 void LCD_blinkHours( void );
 void LCD_blinkMinutes( void );
 void LCD_showTime( void );
+void LCD_tickertape( unsigned char *text, unsigned char len );
 void LCD_writeText( unsigned char *text );
 void LCD_writeNum( unsigned int num );
+void LCD_progressbar(uint16_t value, uint16_t max);
 
 #endif

OpenZero/14Segment.c → OpenZero/Lcd/Stk504.c

@@ -7,7 +7,7 @@
 
 #include <avr/io.h>
 
-#include "14Segment.h"
+#include "Stk504.h"
 
 int lcdmap_stk504[] = 
 {