static void lcd_data_bus_test(void)
{
unsigned short temp1;
unsigned short temp2;
/* wirte */
lcd_SetCursor(0,0);
rw_data_prepare();
write_data(0x5555);
lcd_SetCursor(1,0);
rw_data_prepare();
write_data(0xAAAA);
/* read */
lcd_SetCursor(0,0);
temp1 = lcd_read_gram(0,0);
temp2 = lcd_read_gram(1,0);
if( (temp1 == 0x5555) && (temp2 == 0xAAAA) )
{
//printf(" data bus test pass!\r\n");
}
else
{
//printf(" data bus test error: %04X %04X\r\n",temp1,temp2);
}
}
static void lcd_data_bus_test(void)
{
unsigned short temp1;
unsigned short temp2;
// /* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
// write_reg(0x0003,(1<<12)|(1<<5)|(1<<4) | (0<<3) );
/* wirte */
lcd_SetCursor(0,0);
rw_data_prepare();
write_data(0x5555);
lcd_SetCursor(1,0);
rw_data_prepare();
write_data(0xAAAA);
/* read */
lcd_SetCursor(0,0);
temp1 = lcd_read_gram(0,0);
temp2 = lcd_read_gram(1,0);
if( (temp1 == 0x5555) && (temp2 == 0xAAAA) )
{
printf(" data bus test pass!\r\n");
}
else
{
printf(" data bus test error: %04X %04X\r\n",temp1,temp2);
}
}
/* 设置像素点 颜色,X,Y */
void ssd1289_lcd_set_pixel(const char* pixel, int x, int y)
{
lcd_SetCursor(x,y);
rw_data_prepare();
write_data(*(rt_uint16_t*)pixel);
}
/* 读取指定地址的GRAM */
static unsigned short lcd_read_gram(unsigned int x,unsigned int y)
{
unsigned short temp;
lcd_SetCursor(x,y);
rw_data_prepare();
/* dummy read */
temp = read_data();
temp = read_data();
return temp;
}
void lcd_clear(unsigned short Color)
{
unsigned int index=0;
lcd_SetCursor(0,0);
rw_data_prepare(); /* Prepare to write GRAM */
for (index=0; index<(LCD_WIDTH*LCD_HEIGHT); index++)
{
write_data(Color);
}
}
/* 垂直线 */
void ssd1289_lcd_draw_vline(const char* pixel, int x, int y1, int y2)
{
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0011,0x6070 | (1<<3)); // AM=0 vline
lcd_SetCursor(x, y1);
rw_data_prepare(); /* Prepare to write GRAM */
while (y1 < y2)
{
write_data(*(rt_uint16_t*)pixel);
y1++;
}
}
/* 画水平线 */
void ssd1289_lcd_draw_hline(const char* pixel, int x1, int x2, int y)
{
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0011,0x6030 | (0<<3)); // AM=0 hline
lcd_SetCursor(x1, y);
rw_data_prepare(); /* Prepare to write GRAM */
while (x1 < x2)
{
write_data(*(rt_uint16_t*)pixel);
x1++;
}
}
/* blit a line */
void ssd1289_lcd_blit_line(const char* pixels, int x, int y, rt_size_t size)
{
rt_uint16_t *ptr;
ptr = (rt_uint16_t*)pixels;
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0011,0x6070 | (0<<3)); // AM=0 hline
lcd_SetCursor(x, y);
rw_data_prepare(); /* Prepare to write GRAM */
while (size)
{
write_data(*ptr ++);
size --;
}
}
void LCD_write_english(uint16_t x,uint16_t y,uint8_t str,unsigned int color,unsigned int xcolor)//д×Ö·û
{
uint16_t xpos = x;
uint16_t ypos = y;
unsigned char avl,i,n;
for(i=0; i<16; i++) //16ÐÐ
{
avl= (english[str-32][i]);
lcd_SetCursor(xpos,ypos);
ypos++;
rw_data_prepare();
for(n=0; n<8; n++) //8ÁÐ
{
if(avl&0x80) write_data(color);
else write_data(xcolor);
avl<<=1;
}
}
}
