showhanzi.c

sparc硬件平台下的lcd驱动

#include <stdio.h>
#include "hz.h"
/* *******************************
   p:    表示汉字库的首地址
   code: 表示汉字的内码
   color:表示汉字的颜色 
*/
void charshow (unsigned16 row, unsigned16 col, unsigned char *p, 
               unsigned short code, unsigned int color)
{
    int i, j;
    int offset;            /* 相对于字库的偏移量 */
    unsigned char tmp[2];  /* 输入汉字的内码必须转换，保存在临时数组中 */
    unsigned short hz[32];  /* 保存相应汉字的点阵数据*/
    tmp[0] = code / 256;
    tmp[1] = code % 256;
    offset = ((tmp[0] - 161) * 94 + (tmp[1] - 161)) * 32;
    for ( i = 0, j = 0; i < 16; i++, j += 2)
    {
/**************** x 86平台 **********************/
        hz[i] = ((unsigned short) (*(p + offset + j + 1))) << 8 
              | (unsigned short) (*(p + offset + j ));

/***************** sparc平台 ********************/
/*        hz[i] = ((unsigned short) (*(p + offset + j ))) << 8
              | (unsigned short) (*(p + offset + j + 1));
*/
    }
    for ( i = 0; i < 16; i++)
        for ( j = 0; j < 16; j++)
        {
            if ((hz[i] << j) & 0x8000)
                drv_lcd_pixel ( i, 8 + j, 0xf8);
                printf ("hz[%d] = %d \n", i, j);
        }
    return;
}
int main()
{
    charshow ( hz, 0xa1a1, 0x0);
    charshow ( hz, 0xb0a1, 0x0);	
    return 0;
}