| // ZT018 Driver
// 引入相关芯片的头文件
#include
#include "types.h"
#define BIT(x) (1 << x)
#define I2C_EN BIT(6)
#define I2C_STA BIT(5)
#define I2C_STO BIT(4)
#define I2C_SI BIT(3)
#define I2C_AA BIT(2)
#define LCD_WRITE 0x50
#define LCD_READ 0x51
void LCD_I2C0Init(void) {
PINSEL0 |= 0x00000050;
I2C0SCLH = (60000000/400000 + 1) / 2;
I2C0SCLL = (60000000/400000) / 2;
I2C0CONCLR = I2C_STA | I2C_STO | I2C_SI | I2C_AA;
I2C0CONSET = I2C_EN;
}//I2C0Init
void I2CwriteByte( U8 data ) {
I2C0DAT = data; //load x0
I2C0CONCLR = I2C_SI; //send data
while (~I2C0CONSET & I2C_SI); //wait
}
void I2CwriteWord( U16 data ) {
I2C0DAT = data>>8; //load x0
I2C0CONCLR = I2C_SI; //send data
while (~I2C0CONSET & I2C_SI); //wait
I2C0DAT = data; //load x0
I2C0CONCLR = I2C_SI; //send data
while (~I2C0CONSET & I2C_SI); //wait
}
void I2Cstop(void) {
I2C1CONSET = I2C_STO; //setup stop condition
I2C1CONCLR = I2C_SI; //start sending stop
while (I2C1CONSET & I2C_STO); //wait for stop to be sent
}
void LCD_WriteCmd( U8 Cmd ) {
volatile unsigned int s;
do {
I2C0CONSET = I2C_STA | I2C_SI; //setup start condition
I2C0CONCLR = I2C_SI; //send start condition
s = I2C0CONSET;
while (~I2C0CONSET & I2C_SI)
s=I2C0CONSET; //wait for start to be sent
I2C0DAT = LCD_WRITE; //load the LCD address
I2C0CONCLR = I2C_STA | I2C_SI; //send EEPROM address
while (~I2C0CONSET & I2C_SI); //wait for address to be sent
s=I2C0STAT;
}while (I2C0STAT != 0x18); //repeat if no ACK received
I2CwriteByte( Cmd );
}
unsigned char I2CReadByte (U8 Cmd) {
volatile unsigned int s;
unsigned char Data;
LCD_WriteCmd( Cmd );
do {
I2C0CONSET = I2C_STA | I2C_SI; //setup start condition
I2C0CONCLR = I2C_SI; //send start condition
while (~I2C0CONSET & I2C_SI); //wait for start to be sent
I2C0DAT = LCD_READ; //load address of eeprom
I2C0CONCLR = I2C_STA | I2C_SI; //start sending address
while (~I2C0CONSET & I2C_SI); //wait for address to be sent
} while (I2C0STAT != 0x40); //repeat if no ack received
I2C0CONCLR = I2C_SI; //start reading data
while (~I2C0CONSET & I2C_SI); //wait for data to be received
Data = I2C0DAT;
I2C0CONSET = I2C_STO; //setup stop condition
I2C0CONCLR = I2C_SI; //send stop condition
while (I2C0CONSET & I2C_STO); //wait for stop to be sent
return Data; //return the data
}//ReadEEPROM
U8 LCD_Status_Read( void ) {
return I2CReadByte(0);
}
void LCD_Write1coor( U8 Cmd, U8 x0, U8 y0 ) {
LCD_WriteCmd( Cmd );
I2CwriteByte( x0 );
I2CwriteByte( y0 );
}
void LCD_Write2coor( U8 Cmd, U8 x0, U8 y0, U8 x1, U8 y1 ) {
LCD_WriteCmd( Cmd );
I2CwriteByte( x0 );
I2CwriteByte( y0 );
I2CwriteByte( x1 );
I2CwriteByte( y1 );
}
void LCD_BMP( U8 x0, U8 y0, U8 x1, U8 y1 , U8 * Bmp ) {
S16 i,j;
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x10, x0,y0,x1,y1 );
for( i = y1 - y0 + 1; i >= 0; i-- )
for( j = 0; j <= x1 - x0; j++ ) {
U16* PixP = (U16*)(Bmp+0x46+i*(x1-x0+1)*2);
U16 Pix = *(PixP+j);
I2C0DAT = Pix>>8; //load high
I2C0CONCLR = I2C_SI; //send data
while (~I2C0CONSET & I2C_SI); //wait
I2C0DAT = Pix; //load high
I2C0CONCLR = I2C_SI; //send data
while (~I2C0CONSET & I2C_SI); //wait
}
I2Cstop();
}
void LCD_Pixel( U8 x, U8 y, U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write1coor( 0x11, x, y );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_Line( U8 x0, U8 y0, U8 x1, U8 y1 , U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x12, x0,y0,x1,y1 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_Rectangle( U8 x0, U8 y0, U8 x1, U8 y1 , U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x13, x0,y0,x1,y1 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_RectangleFill( U8 x0, U8 y0, U8 x1, U8 y1 , U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x14, x0,y0,x1,y1 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_Circle( U8 x0, U8 y0, U8 r, U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write1coor( 0x15, x0,y0 );
I2CwriteByte( r );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_CircleFill( U8 x0, U8 y0, U8 r, U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write1coor( 0x16, x0,y0 );
I2CwriteByte( r );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_Ellipse( U8 x0, U8 y0, U8 x1, U8 y1 , U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x17, x0,y0,x1,y1 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_EllipseFill( U8 x0, U8 y0, U8 x1, U8 y1 , U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write2coor( 0x18, x0,y0,x1,y1 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_Pieslice( U8 x0, U8 y0, U8 r, U16 start, U16 end, U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write1coor( 0x19, x0,y0 );
I2CwriteByte( r );
I2CwriteWord( start );
I2CwriteWord( end );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_MoveTo( U8 x, U8 y ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_Write1coor( 0x30, x, y );
I2Cstop();
}
void LCD_PrintU8( U8 data ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x61 );
I2CwriteByte( data );
I2Cstop();
}
void LCD_PrintX8( U8 data ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x63 );
I2CwriteByte( data );
I2Cstop();
}
void LCD_SetFcolor( U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x31 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_SetBcolor( U16 Color ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x32 );
I2CwriteWord( Color );
I2Cstop();
}
void LCD_SetFont( U8 data ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x80 );
I2CwriteByte( data );
I2Cstop();
}
void LCD_PutString( char *s ) {
while( *s ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x60 );
I2CwriteByte( *s );
++s;
I2Cstop();
}
}
void putch( char c ) {
while( LCD_Status_Read()&0x80 ); // wait while lcd busy
LCD_WriteCmd( 0x81 );
I2CwriteByte( c );
I2Cstop();
}
void PutString( U8 x, U8 y, char *s, U16 F, U16 B ) {
LCD_MoveTo( x, y );
LCD_SetFcolor( F );
LCD_SetBcolor( B );
LCD_PutString( s );
}
void LCD_Clear_Screen( U16 B ) {
LCD_RectangleFill( 0, 0, 159, 127, B );
}
void printStr( char *s ) {
while( *s ) {
putch( *s++ );
}
} |
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