NT35510为什么屏幕显示3个字符就乱码

licaiyue

//绘制矩形 RGB565   
void LCD_Window(uint16_t x_start,uint16_t x_end,uint16_t y_start,uint16_t y_end)
{
    NT35510_Write_Cmd(0x2A00);
    NT35510_Write_Date((uint8_t)(x_start >> 8) & 0xFF);
    NT35510_Write_Cmd(0x2A01);
    NT35510_Write_Date((uint8_t)x_start & 0xFF);
    NT35510_Write_Cmd(0x2A02);
    NT35510_Write_Date((uint8_t)((x_start + x_end - 1) >> 8) & 0xFF);
    NT35510_Write_Cmd(0x2A03);
    NT35510_Write_Date((uint8_t)(x_start + x_end - 1)  & 0xFF);

    NT35510_Write_Cmd(0x2B00);
    NT35510_Write_Date((uint8_t)(y_start >> 8) & 0xFF);
    NT35510_Write_Cmd(0x2B01);
    NT35510_Write_Date((uint8_t)y_start & 0xFF);
    NT35510_Write_Cmd(0x2B02);
    NT35510_Write_Date((uint8_t)((y_start + y_end - 1)  >> 8) & 0xFF);
    NT35510_Write_Cmd(0x2B03);
    NT35510_Write_Date((uint8_t)(y_start + y_end- 1)  & 0xFF);
}


//显示一个字符
void NT35510_DisChar(uint16_t X, uint16_t Y,const char cChar)
{
    uint16_t  i, j, fontLength = 0;
    uint16_t ucRelativePositon = 0;
    uint8_t *Pfont = NULL;
    //字体偏移量
    ucRelativePositon = cChar - ' ';
    //每个字模的字节数
    fontLength = (LCD_Currentfonts->FONT_HIGHT * LCD_Currentfonts->FONT_WIDTH) / 8;
    //字模首地址
    Pfont = (uint8_t *)&LCD_Currentfonts->table[ucRelativePositon * fontLength];
    LCD_Window(X, LCD_Currentfonts->FONT_WIDTH, Y, LCD_Currentfonts->FONT_HIGHT);

    NT35510_Write_Cmd(0x2C00); //写入像素命令

    for (i = 0; i < fontLength; i++)
    {
        for ( j = 0; j < 8; j++ )
        {
            if ( Pfont[i & (0x80>>j) )
                NT35510_Write_Date(SET_FONT_COLOR_POINT);
            else
                NT35510_Write_Date(SET_FONT_COLOR_BACK);
        }   
    }
}

//显示字符串
void NT35510_DisString(uint16_t X, uint16_t Y, char *str)
{
    while (*str != '\0')
    {
        if ((X + LCD_Currentfonts->FONT_WIDTH) > LCD_X_LENGTH)   //LCD_Currentfonts->FONT_WIDTH  == 16
        {
            X = NT35510_X_Star;
            Y = Y + 1 + LCD_Currentfonts->FONT_HIGHT;
        }
        if ((Y + LCD_Currentfonts->FONT_HIGHT) > LCD_Y_LENGTH)   //LCD_Currentfonts->FONT_HIGHT == 32
        {
            Y = NT35510_Y_Star;  // NT35510_Y_Star == 0
            X = NT35510_X_Star;
        }
        NT35510_DisChar(X, Y, *str);
        str++;
        X = X + LCD_Currentfonts->FONT_WIDTH;
    }
    DEBUG_DELAY();
}

licaiyue

不是字模问题，换成其他字模也一样