isr_timer1.c

12键 触摸按键的应用 C格式 应用在手机 触摸屏上。

//************************timer1 interrupt subroutine************************
void isr_timer1()
{
	push;
	m_Flag0=m_Flag0|0x02;		//SET  F_IsrTimer1  _4f_1
	switch (m_mode)
	{	
		case 0:
		{		
			m_buf1=_tmrbh;
			m_buf0=_tmrbl;
			g_RfRef[m_cx]=m_buf1*0x100+m_buf0;
			m_cx++;
			_ascr++;
			if(m_cx<12)
			{
				_tmrbl=0;
				_tmrbh=0;
				_tmral=(c_Tmra20ms%0x100);
				_tmrah=(c_Tmra20ms/0x100);
				_rcoccr=_rcoccr|0x10;
				break;
			}
			else
			{
				m_Flag0=m_Flag0|0x01;		//set F_ErcocIni  _4f_0
				m_cx=0;
				break;
			}
		}
		case 1:
		{	
			m_buf1=_tmrbh;
			m_buf0=_tmrbl;
			g_RfSs[m_cx]=(m_buf1*0x100+m_buf0)*4;
			break;
		}
		default:
			break;
	}
	pop;
}