MT6252 11BW1132 配置串口屏,开不了机
0赞
发表于 12/11/2018 9:57:11 AM
阅读(890)
[DESCRIPTION]
MT6252 11BW1132 配置串口屏,开不了机
[SOLUTION]
MT6252 11B的codebase中,没有包__SERIAL_LCM__option来打开104Mhz的clock,导致lcd interface一直刷不出去数据
。
修改方法如下:
void lcd_power_ctrl__enable(kal_uint32 module)
{
……
#if defined(__SERIAL_LCM__) && defined(MT6252)
mm_enable_power(MMPWRMGR_LCD104M);
#endif
……
}
void lcd_power_ctrl__disable(kal_uint32 module)
{
……
// Turn off power
if (lcd_power_ctrl__get_module_handle() == 0)
{
mm_disable_power(MMPWRMGR_LCD);
#if defined(__SERIAL_LCM__) && defined(MT6252)
mm_disable_power(MMPWRMGR_LCD104M);
#endif
lcd_enter_sleep_mode = KAL_TRUE; //LCD Power is off, can enter sleep mode now
}
……
}
或者请patch MAUI_03009843