LCD_LOG 移植在原子的STM32F7板子上,支持printf到屏幕.

cl17726 · 发表于 2017-3-24 13:12:17

本帖最后由 cl17726 于 2017-3-24 16:56 编辑

刚板子拿到手,第一次买这么全功能板子,先移植个ST官方的LCD_Log.上图~ 比较喜欢printf到屏幕,还带滚屏啊什么的,欢迎体验,实验环境是STM32F767+4.3 TFT.LL库.打印速度应该是快过UART的.

微信图片_20170324130751.jpg

[mw_shl_code=c,true]LCD_LOG_PUTCHAR
{

  sFONT *cFont = DrawProp.pFont;
  uint32_t idx;

  if(LCD_Lock == DISABLE)
  {
if(LCD_ScrollActive == ENABLE)
{
   LCD_CacheBuffer_yptr_bottom = LCD_CacheBuffer_yptr_bottom_bak;
   LCD_CacheBuffer_yptr_top = LCD_CacheBuffer_yptr_top_bak;
   LCD_ScrollActive = DISABLE;
   LCD_Scrolled = DISABLE;
   LCD_ScrollBackStep = 0;

}

if(( LCD_CacheBuffer_xptr < (480) /cFont->Width ) &&  ( ch != '\n')) /* XSIZE = 480 */
{
   LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = (uint16_t)ch;
}
else
{
   if(LCD_CacheBuffer_yptr_top >= LCD_CacheBuffer_yptr_bottom)
   {

      if(LCD_CacheBuffer_yptr_invert == DISABLE)
      {
      LCD_CacheBuffer_yptr_top++;

      if(LCD_CacheBuffer_yptr_top == LCD_CACHE_DEPTH)
      {
         LCD_CacheBuffer_yptr_top = 0;
      }
      }
      else
      {
      LCD_CacheBuffer_yptr_invert= DISABLE;
      }
   }

   for(idx = LCD_CacheBuffer_xptr ; idx < (BSP_LCD_GetXSize()) /cFont->Width; idx++)
   {
      LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = ' ';
   }
   LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].color = LCD_LineColor;

   LCD_CacheBuffer_xptr = 0;

   LCD_LOG_UpdateDisplay ();

   LCD_CacheBuffer_yptr_bottom ++;

   if (LCD_CacheBuffer_yptr_bottom == LCD_CACHE_DEPTH)
   {
      LCD_CacheBuffer_yptr_bottom = 0;
      LCD_CacheBuffer_yptr_top = 1;
      LCD_CacheBuffer_yptr_invert = ENABLE;
   }

   if( ch != '\n')
   {
      LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = (uint16_t)ch;
   }

}
  }
  return ch;
}[/mw_shl_code]

TFT_Log.zip (618.51 KB, 下载次数: 449)