void LCDFill (unsigned char xs,unsigned char ys,unsigned char width,unsigned char height, unsigned char color)
{
unsigned char i,j;
for (i=0;i < height;i++) // Number of horizontal lines
{
LCDSetXY(xs,ys+i); // Goto start of fill area (Top Left)
LCDSend(PRAMWR); // Write to display
for (j=0;j < width;j++) // pixels per line
LCDSend(color);
}
}
void LCDInit(void)
{
int i;
LCDReset();
LCDSend(PSWRESET); // software reset
SpinDelay(100);
LCDSend(PSLEEPOUT); // exit sleep mode
LCDSend(PBSTRON); // booster on
LCDSend(PDISPON); // display on
LCDSend(PNORON); // normal on
LCDSend(PMADCTL); // rotate display 180 deg
LCDSend(0xC0);
LCDSend(PCOLMOD); // color mode
LCDSend(0x02); // 8bpp color mode
LCDSend(PSETCON); // set contrast
LCDSend(0xDC);
// clear display
LCDSetXY(0,0);
LCDSend(PRAMWR); // Write to display
i=LCD_XRES*LCD_YRES;
while(i--) LCDSend(WHITE);
// test text on different colored backgrounds
LCDString(" The quick brown fox ", (char *)&FONT6x8,1,1+8*0,WHITE ,BLACK );
LCDString(" jumped over the ", (char *)&FONT6x8,1,1+8*1,BLACK ,WHITE );
LCDString(" lazy dog. ", (char *)&FONT6x8,1,1+8*2,YELLOW ,RED );
LCDString(" AaBbCcDdEeFfGgHhIiJj ", (char *)&FONT6x8,1,1+8*3,RED ,GREEN );
LCDString(" KkLlMmNnOoPpQqRrSsTt ", (char *)&FONT6x8,1,1+8*4,MAGENTA,BLUE );
LCDString("UuVvWwXxYyZz0123456789", (char *)&FONT6x8,1,1+8*5,BLUE ,YELLOW);
LCDString("`-=[]_;',./~!@#$%^&*()", (char *)&FONT6x8,1,1+8*6,BLACK ,CYAN );
LCDString(" _+{}|:\\\"<>? ",(char *)&FONT6x8,1,1+8*7,BLUE ,MAGENTA);
// color bands
LCDFill(0, 1+8* 8, 132, 8, BLACK);
LCDFill(0, 1+8* 9, 132, 8, WHITE);
LCDFill(0, 1+8*10, 132, 8, RED);
LCDFill(0, 1+8*11, 132, 8, GREEN);
LCDFill(0, 1+8*12, 132, 8, BLUE);
LCDFill(0, 1+8*13, 132, 8, YELLOW);
LCDFill(0, 1+8*14, 132, 8, CYAN);
LCDFill(0, 1+8*15, 132, 8, MAGENTA);
}
void LCDSetPixel(unsigned char x, unsigned char y, unsigned char color)
{
LCDSetXY(x,y); // Set position
LCDSend(PRAMWR); // Now write the pixel to the display
LCDSend(color); // Write the data in the specified Color
}
int LCDClearData(BYTE add1)
{
#ifdef _WINDOWS
UNUSED(add1);
#else
BYTE i;
BYTE j;
BYTE data;
BYTE status;
for(j=0;j<7;j++){
LCDSetXY(add1,0,j);
RestartI2C();
IdleI2C();
//****write the address of the device for communication***
data = SSPBUF; //read any previous stored content in buffer to clear buffer full status
do
{
status = WriteI2C( add1 | 0x00 ); //write the address of slave
if(status == -1) //check if bus collision happened
{
data = SSPBUF; //upon bus collision detection clear the buffer,
SSPCON1bits.WCOL=0; // clear the bus collision status bit
//LATAbits.LATA1 =1;
}
}
while(status!=0); //write untill successful communication
//R/W BIT IS '0' FOR FURTHER WRITE TO SLAVE
do
{
status = WriteI2C(modeLCD_DATA_TILL_STOP); //write the address of slave
if(status == -1) //check if bus collision happened
{
data = SSPBUF; //upon bus collision detection clear the buffer,
SSPCON1bits.WCOL=0; // clear the bus collision status bit
//LATAbits.LATA1 =1;
}
}
while(status!=0); //write untill successful communication
//***WRITE THE THE DATA TO BE SENT FOR SLAVE***
//write string of data to be transmitted to slave
for (i=0;i<128;i++ ) // transmit data
{
if ( SSP1CON1bits.SSPM3 ) // if Master transmitter then execute the following
{
//temp = putcI2C1 ( *wrptr );
//if (temp ) return ( temp );
if ( WriteI2C1( 0 ) ) // write 1 byte
{
return ( -3 ); // return with write collision error
}
IdleI2C1(); // test for idle condition
if ( SSP1CON2bits.ACKSTAT ) // test received ack bit state
{
return ( -2 ); // bus device responded with NOT ACK
} // terminate putsI2C1() function
}
}
//---TERMINATE COMMUNICATION FROM MASTER SIDE---
IdleI2C();
}
#endif
return 0;
}
