有命令可以禁止控件:
#define BEGIN_CMD() TX_8(0XEE) //帧头
#define END_CMD() TX_32(0XFFFCFFFF) //帧尾
/*!
* \brief 禁止/使能控件
* \param screen_id 画面ID
* \param control_id 控件ID
* \param state 控件状态,0:禁止,1:使能
*/
void SetControState(uint16 screen_id,uint16 control_id,uchar state)
{
BEGIN_CMD();
TX_8(0xB1);
TX_8(0x04);
TX_16(screen_id);
TX_16(control_id);
TX_8(state);
END_CMD();
}