📄 lcd.c
字号:
}
void LCD_Write_Char2(unsigned char *mat){
unsigned char i;
switch(D_x){
case 0: //写入第一行(1-12)
for(i=0;i<12;i++){
DispBuff[0][D_y+i]=mat[i];
}
for(i=0;i<12;i++){
DispBuff[1][D_y+i]&=0xf0;
DispBuff[1][D_y+i]|=(mat[i+12]&0x0f);
}
break;
case 1: //写入第二行(13-24)
for(i=0;i<12;i++){
DispBuff[1][D_y+i]&=0x0f;
DispBuff[1][D_y+i]|=(mat[i]<<4);
}
for(i=0;i<12;i++){
DispBuff[2][D_y+i]= ((mat[i]>>4))|(mat[12+i]<<4);
}
break;
case 2: //写第三行(25-36)同第一行
for(i=0;i<12;i++){
DispBuff[3][D_y+i]=mat[i];
}
for(i=0;i<12;i++){
DispBuff[4][D_y+i]&=0xf0;
DispBuff[4][D_y+i]|=(mat[i+12]&0x0f);
}
break;
case 3: //写第四行(37-48) 同第二行
for(i=0;i<12;i++){
DispBuff[4][D_y+i]&=0x0f;
DispBuff[4][D_y+i]|=(mat[i]<<4);
}
for(i=0;i<12;i++){
DispBuff[5][D_y+i]= (mat[i]>>4)|(mat[12+i]<<4);
}
break;
};
}
//从字库中查找出字模
void Get_HzMat(unsigned char *code,unsigned char *mat)
{
unsigned char qh,wh;
unsigned char i,j;
unsigned int sector,clusor,secoff;
unsigned long foffset;
qh=(*code++)-0xa1;
wh=(*code)-0xa1;
foffset=(unsigned long)(94*qh+wh)*24; //得到字库中的字节偏移量
sector=foffset/BytesPerSector; //得到总的完整的扇区数(不要写成(unsigned int ) foffset/512
secoff= (unsigned int) foffset%BytesPerSector; //扇区内的字节数偏移
wh=(unsigned char)sector%SectorsPerCluster;
clusor=(unsigned int)sector/SectorsPerCluster; //得到总的簇数
eeprom_read_block(&foffset,(void*)(clusor*4),4); //为节省时间不从FAT中读取簇号
foffset=(unsigned long) (foffset+wh)*BytesPerSector+secoff;
i=0; reading = 0;
SD_Write_Command(16,8); //设置一次读写BLOCK的长度为8个字节
while(1){
reading=1;
SD_Write_Command(17,foffset);
while (Read_Byte_SPI()!= 0xfe) ;
for(j=0; j<8; j++){
mat[i++]=Read_Byte_SPI();
}
Read_Byte_SPI();//CRC - Byte
Read_Byte_SPI();//CRC - Byte
reading=0;
MMC_PORT|=MMC_CS_PIN; //关闭SD卡
if(i>=24) break;
foffset+=8;
secoff+=8;
if(secoff>=(BytesPerSector-1)){
secoff=0;
if(++wh>=SectorsPerCluster){ wh=0; clusor++;
eeprom_read_block(&foffset,(void*)(clusor*4),4);
foffset=foffset*512;
foffset=0;
}
}
}
SD_Write_Command(16,512); //设置一次读写BLOCK的长度为512个字节
}
/*-----------------------------------------------------------------------
LCD_draw_map: 位图绘制函数
输入参数：X、Y：位图绘制的起始X、Y坐标；
*map：位图点阵数据；
Pix_x：位图像素（长）
Pix_y：位图像素（宽）
-----------------------------------------------------------------------*/
void LCD_draw_map(unsigned char X,unsigned char Y,PGM_P map, //unsigned char *map,
unsigned char Pix_x,unsigned char Pix_y)
{
unsigned int i,n;
unsigned char row;
if (Pix_y%8==0)
row=Pix_y/8;//计算位图所占行数
else
row=Pix_y/8+1;
for (n=0;n<row;n++)
{
LCD_set_XY(X,Y);
for(i=0; i<Pix_x; i++)
{
// LCD_write_byte(map[i+n*Pix_x], 1);
LCD_write_byte(pgm_read_byte(map+i+n*Pix_x));
}
Y++;//换行
}
}
void DispNumber(uchar x,uchar y,unsigned long number)
{
unsigned int kmm;
unsigned char t1,t2,t3,t4;
if(x>3) return;
// t0=number/10000;
// number=number%10000;
t1=number/1000;
kmm=number%1000;
t2=kmm/100;
kmm=kmm%100;
t3=kmm/10;
t4=kmm%10;
D_x=x;
D_y=y;
// LCD_write_char(t0+0x30);
LCD_write_char(t1+0x30);
LCD_write_char(t2+0x30);
LCD_write_char(t3+0x30);
LCD_write_char(t4+0x30);
TimeFlag|=bLcdUpdate;
}
void DispDecodeTime(uchar x,uchar y,unsigned int second)
{
unsigned int kmm;
unsigned char t1,t2,t3,t4;
if(x>3) return;
t1= second%60; kmm=second/60;
t3=t1/10; t4=t1%10;
t1=kmm/10; t2=kmm%10;
D_x=x; D_y=y;
LCD_write_char(t1+0x30);
LCD_write_char(t2+0x30); //
LCD_write_char(':');
LCD_write_char(t3+0x30);
LCD_write_char(t4+0x30);
TimeFlag|=bLcdUpdate;
}
void LcdWrite(void)
{
uchar t1,t2;
uchar *p;
uchar line;
if(LcdFlag==0){
if(TimeFlag&bLcdUpdate)
{
TimeFlag&=~bLcdUpdate;
p=(uchar *) &DispBuff[0][0];
for(t1=0;t1<6;t1++){
LCD_set_XY(0,t1);
switch(t1){
case 0:
if(InverseLine&0x01) {
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}
break;
case 1:
line=(InverseLine&0x03);
if(line==0){
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}else if(line==1){
for(t2=0;t2<84;t2++) LCD_write_byte((*p++)^0x0f);
}else if(line==2){
for(t2=0;t2<84;t2++) LCD_write_byte((*p++)^0xf0);
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}
break;
case 2:
if(InverseLine&0x02) {
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}
break;
case 3:
if(InverseLine&0x04) {
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}
break;
case 4:
line=(InverseLine>>2)&0x03;
if(line==0){
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}else if(line==1){
for(t2=0;t2<84;t2++) LCD_write_byte((*p++)^0x0f);
}else if(line==2){
for(t2=0;t2<84;t2++) LCD_write_byte((*p++)^0xf0);
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}
break;
case 5:
if(InverseLine&0x08) {
for(t2=0;t2<84;t2++) LCD_write_byte(~(*p++));
}else{
for(t2=0;t2<84;t2++) LCD_write_byte(*p++);
}
break;
}
}
}
return;
}
if(LcdFlag&bUpdate1){
LCD_write_String(0,lcd[0].y,lcd[0].pStr);
LcdFlag&=~bUpdate1; TimeFlag|=bLcdUpdate;
}else if(LcdFlag&bUpdate2){
LCD_write_String(1,lcd[1].y,lcd[1].pStr);
LcdFlag&=~bUpdate2; TimeFlag|=bLcdUpdate;
}else if(LcdFlag&bUpdate3){
LCD_write_String(2,lcd[2].y,lcd[2].pStr);
LcdFlag&=~bUpdate3; TimeFlag|=bLcdUpdate;
}else if(LcdFlag&bUpdate4){
LCD_write_String(3,lcd[3].y,lcd[3].pStr);
LcdFlag&=~bUpdate4; TimeFlag|=bLcdUpdate;
}
}
void DispVolume(void)
{
unsigned char t1,t2;
D_x=3; D_y=63;
t1=(vol+1)/10;
t2=(vol+1)%10;
LCD_write_icon(0);
D_y+=2;
if(t1==0){
LCD_write_char(' ');
}else{
LCD_write_char(t1+0x30);
}
LCD_write_char(t2+0x30); //
TimeFlag|=bLcdUpdate;
}
void PrintString(uchar x,uchar y,uchar *str)
{
if(x>3) return;
LcdFlag|=(1<<x);
/* if(x==0){
LcdFlag|=bUpdate1;
}else if(x==1){
LcdFlag|=bUpdate2;
}else if(x==2){
LcdFlag|=bUpdate3;
}else if(x==3){
LcdFlag|=bUpdate4;
}
*/
lcd[x].y=y;
lcd[x].pStr=str;
}
void ClrLyricScreen(void)
{ unsigned char i;
for(i=0;i<84;i++){
DispBuff[1][i]&=0x0f;
}
for(i=0;i<84;i++){
DispBuff[2][i]=0;
DispBuff[3][i]=0;
}
for(i=0;i<84;i++){
DispBuff[4][i]&=0xf0;
}
}
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