Subversion Repositories HomeAutomation

/**
 * CanSimpleCLCD. Simple version.
 * For HD44780- and KS0073-based LCD displays
 *
 * Contains no intelligence. It just prints what it is told to.
 *
 * @date    2006-12-11
 * @author  Erik Larsson
 *
 */

/*-----------------------------------------------------------------------------
 * Includes
 *---------------------------------------------------------------------------*/
/* system files */
#include <avr/io.h>
#include <inttypes.h>
#include <avr/interrupt.h>
#include <stdio.h>
/* lib files */
#include <bios.h>
#include <config.h>
#include <drivers/lcd/clcd/lcd_HD44780.h>

#include <string.h> //for memcpy


/* funcdefs */
//#include <funcdefs/funcdefs.h>


//a lot of crap from previous funcdefs
/* ACT LCD 12 bits <ACTION><SIZE> 0xFFFL
 *
 * <ACTION>, 4 bits = Type och action.
 * <SIZE>, 8 bits = Size of display.
 */
#define LCD_ACTION_MASK 0xF00L /* bit[12..8] */
#define LCD_SIZE_MASK 0x0FFL /* bit[7..0] */

#define LCD_ACTION_BITS 8
#define LCD_SIZE_BITS 0


/* <ACTION> 4 bits 0xFL */

#define LCD_ACTION_CLR          0x0L
#define LCD_ACTION_CURS         0x1L
#define LCD_ACTION_TEXT         0x2L
#define LCD_ACTION_GET_SIZE     0x3L
#define LCD_ACTION_SET_CONT     0x4L
#define LCD_ACTION_SET_BLIGHT   0x5L
#define LCD_ACTION_GET_CONT     0x6L
#define LCD_ACTION_GET_BLIGHT   0x7L

#define LCD_ACTION_SEND_CONT    0x8L
#define LCD_ACTION_SEND_BLIGHT  0x9L



/* <SIZE> 8 bits 0xFFL */
#define LCD_SIZE_ALL    0x00L
#define LCD_SIZE_16x2   0x02L
#define LCD_SIZE_20x4   0x10L



/*-----------------------------------------------------------------------------
 * Defines
 *---------------------------------------------------------------------------*/
#define SIZE_X  20
#define SIZE_Y  4
#define SIZE_LCD LCD_SIZE_20x4

#define BUFFER_SIZE SIZE_X
#define TRUE 1
#define FALSE 0

#define LEFT    0x01
#define RIGHT   0x02

volatile Can_Message_t rxMsg;

char incoming_text[ BUFFER_SIZE ];
uint8_t rxMsgFull;


char buffer[ BUFFER_SIZE ];

void send_dimensions(void);
void rotenc(void);

// CAN message reception callback
// This function runs with interrupts disabled, keep it as short as possible
void can_receive(Can_Message_t *msg){
    if(!rxMsgFull){
        memcpy((void*)&rxMsg, msg, sizeof(rxMsg));
        rxMsgFull = 1;
    }
}

ISR( PCINT2_vect ){
// For ROTENC_A and ROTENC_B FIXME är inte riktigt rätt
    rotenc();
}

ISR( PCINT0_vect ){
// For ROTENC_BTN
rotenc();
}

/*-----------------------------------------------------------------------------
 * Main Program
 *---------------------------------------------------------------------------*/
int main(void) {
    uint32_t act;
    uint8_t m, act_type, lcd_action, lcd_size;

    sei();

    /*
     * Initialize rotaryencoders and buttons
     */
    // Set as input
    DDRD &= ~(1<<DDD2);
    DDRB &= ~((1<<DDB7)|(1<<DDB0));
    // Enable pull-up
    PORTD |= (1<<PD2);
    PORTB |= (1<<PB7)|(1<<PB0);
    // Enable IO-pin interrupt
    PCICR |= (1<<PCIE2)|(1<<PCIE0);
    // Unmask PB7, PB0 and PD2
    PCMSK2 |= (1<<PCINT18);
    PCMSK0 |= (1<<PCINT7)|(1<<PCINT0);

    // Contrast
    TCCR0A |= (1<<COM0B1)|(1<<WGM01)|(1<<WGM00);
    TCCR0B |= (1<<CS00);
    OCR0B = 0x10;
    DDRD |= (1<<DDD5);

    // Backlight
    TCCR1A |= (1<<COM1A1)|(1<<WGM11);
    TCCR1B |= (1<<WGM13)|(1<<WGM12)|(1<<CS10);
    ICR1 = 0xFF; // Make it 8 bits
    OCR1A = 0x80;
    DDRB |= (1<<DDB1);

    Can_Message_t txMsg;
    txMsg.ExtendedFlag=1;
    txMsg.RemoteFlag=0;
// FIXME skicka app startad
    BIOS_CanCallback = &can_receive;

    lcd_init( LCD_DISP_ON );
    lcd_clrscr();
    lcd_puts("HomeAutomation\n");

    send_dimensions();
    lcd_puts("Very nice!\n");

    /* main loop */
    while(1){
        /* check if any messages have been received */
        if(rxMsgFull){
/* FIXME noddan kommenterar bort allt
            if( ((rxMsg.Id & CLASS_MASK)>> CLASS_MASK_BITS) == CLASS_ACT ){ // FIXME ett jäkla herk, städa upp
                act = (rxMsg.Id & TYPE_MASK) >> TYPE_MASK_BITS;
                act_type = (act & ACT_TYPE_MASK) >> ACT_TYPE_BITS;
                lcd_action = (act & LCD_ACTION_MASK) >> LCD_ACTION_BITS;
                lcd_size = (act & LCD_SIZE_MASK) >> LCD_SIZE_BITS;

                if( act_type == ACT_TYPE_LCD && (lcd_size == SIZE_LCD || lcd_size == LCD_SIZE_ALL)){
                    switch( lcd_action ){
                    case LCD_ACTION_CLR:
                        // Clear LCD
                        lcd_clrscr();
                    break;
                    case LCD_ACTION_CURS:
                        // Move cursor
                        lcd_gotoxy( rxMsg.Data.bytes[0],rxMsg.Data.bytes[1] );
                    break;
                    case LCD_ACTION_GET_SIZE:
                        // Request LCD dimension
                        send_dimensions();
                    break;
                    case LCD_ACTION_TEXT:
                        // Print text to LCD
                        for(m=0;m<rxMsg.DataLength;m++){
                            lcd_putc( (char)rxMsg.Data.bytes[m] );
                        }
                    break;
                    case LCD_ACTION_SET_CONT:
                        // Set contrast
                        if(rxMsg.DataLength == 1){
                            OCR0B = rxMsg.Data.bytes[0];
                        }
                    break;
                    case LCD_ACTION_SET_BLIGHT:
                        // Set backlight
                        if(rxMsg.DataLength == 1){
                            OCR1AL = rxMsg.Data.bytes[0];
                        }
                    break;
                    case LCD_ACTION_GET_CONT:
                        // Get contrast
                        txMsg.DataLength = 1;
                        txMsg.Id = ( CLASS_ACT<<CLASS_MASK_BITS )|( ACT_TYPE_LCD<<ACT_TYPE_BITS )|( LCD_ACTION_SEND_CONT<<LCD_ACTION_BITS )|NODE_ID;
                        txMsg.Data.bytes[0] = OCR0B;
                        BIOS_CanSend(&txMsg);
                    break;
                    case LCD_ACTION_GET_BLIGHT:
                        // Get backlight
                        txMsg.DataLength = 1;
                        txMsg.Id = ( CLASS_ACT<<CLASS_MASK_BITS )|( ACT_TYPE_LCD<<ACT_TYPE_BITS )|( LCD_ACTION_SEND_BLIGHT<<LCD_ACTION_BITS )|NODE_ID;
                        txMsg.Data.bytes[0] = OCR1AL;
                        BIOS_CanSend(&txMsg);
                    break;
                    default:
                    // Take over the world
                    break;
                    }
                }
            }
            rxMsgFull = 0;
        */}
    }
}

void send_dimensions(){
    Can_Message_t txMsg;

    txMsg.ExtendedFlag=1;
    txMsg.RemoteFlag=0;
    txMsg.Id=0xA000001;
    txMsg.Data.bytes[0] = SIZE_X;
    txMsg.Data.bytes[1] = SIZE_Y;
    txMsg.DataLength = 2;

    BIOS_CanSend(&txMsg);
}

void rotenc(){
    uint8_t rot_data = 0;
    static uint8_t rot_lastdir = 0, rot_laststate = 0; // FIXME måste flyttas ut igen?

    Can_Message_t txMsg;
    txMsg.ExtendedFlag=1;
    txMsg.RemoteFlag=0;
    //txMsg.Id = ( CLASS_SNS<<CLASS_MASK_BITS )|( SNS_ACT_BUTTON<<SNS_TYPE_BITS )|( 0x01<<SNS_ID_BITS )| NODE_ID;//FIXME: borttaget
    txMsg.DataLength=2;

    if(PINB&(1<<PB0)){
        rot_data |= 0x01;
    }
    if(PIND&(1<<PD2)){
        rot_data |= 0x02;
    }

    if( rot_data==0 || rot_data==3 ){
        if( rot_data==0 && rot_laststate!=rot_data ){
            if( rot_lastdir&0x01 ){
                // Moving right
                txMsg.Data.bytes[0]=RIGHT;
                txMsg.Data.bytes[1] = (PINB&(1<<PB7))?0:1;
                txMsg.DataLength=2;
                BIOS_CanSend(&txMsg);
                // For testing TODO remove
                if(OCR1A<0xFF){
                    OCR1A++;
                }
                if(OCR0B>0){
                    OCR0B--;
                }
            }else{
                // Moving left
                txMsg.Data.bytes[0]=LEFT;
                txMsg.Data.bytes[1] = (PINB&(1<<PB7))?0:1;
                txMsg.DataLength=2;
                BIOS_CanSend(&txMsg);
                // For testing TODO remove
                if(OCR1A>0){
                    OCR1A--;
                }
                if(OCR0B<0xFF){
                    OCR0B++;
                }
            }
        }
        rot_laststate = rot_data;
    }else{
        rot_lastdir = rot_data;
    }
}