义隆单片机PT2262无线解码程序

            Beep(2);
            break;
        case CODE_UNLOCK:
            Beep(2);
            break;
        case CODE_SOUND:
            Beep(2);
            break;
        case CODE_BACK:
            Beep(2);
            break;
        case CODE_FIND:
            Beep(2);
            break;
        default:
            break;        
    }
}

u8 CheckIR(void)
{
    u8 temp;
    
    temp = ir_flag ^ 0xff;
    temp&= 0x01;
     
    if (temp)             // if ir_pass == 0
    {
        ir_flag &= 0xfe;  // clear pass flag
        return 0;
    }
        
    if ((ir_addr_hig==0xf6) && (ir_addr_low == 0x7c))
    {
        return 1;         // success
    }else{    
        ir_flag = 0;  // clear pass flag
        return 0;         // fail
    }
}





//==================================
void _iNTCall interrupt_l(void) @ 0x08:low_int 0
{
    _asm{
         MOV     0x1f,a
        swap   0x1f
        swapa  0x03
         MOV     0x1e,a  
    }      
}
void _intcall interrupt(void) @ int 0
{
    ///////////////////////////////////////
    // intrrupt counter increase
    IntrCnt++;    
    
    ///////////////////////////////////////
    // RF receive

    _asm{    
    
        int_ir:
               jbc             %ir_flag,ir_pass
               jmp             int_ir_end
               
               jbc             %ir_flag,ir_receive
               jmp             code_receive
               
               jbc             %ir_flag,ir_lead
               jmp             code_lead
               
               jbc             ir_port,ir_pin           // if detect low level
               jmp             int_ir_end
               bs              %ir_flag,ir_lead
               clr             %ir_reg_code
        /***********************************************/       
        code_lead:       
               jbc             ir_port,ir_pin                      
               jmp             detect_hig    

        detect_low:                      
               jz              %ir_reg_code
               jmp             int_ir_end      
        detect_error:       
               clr             %ir_reg_code            // time overflow error

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本文关键字：单片机  无线  程序  义隆单片机，单片机-工控设备 - 义隆单片机