LCOM1920-T7G03.old1

#include "mouse.h"

extern uint8_t byte;

  int r, ipc_status;

  uint8_t mouse_irq, size=0; //size of mouse packet is 3 byte long

  message msg;

  uint32_t counter_copy=cnt;

  struct packet pp;

  if(mouse_enable_data_reporting()!=0){     //check if disabling stream mode worked

    printf("Error disabling stream mode\n");

  }

  if(mouse_subscribe_int(&kmouse_irq)!=0){    //check if subscription worked

    printf("Error subscribing int\n");

    return 1;

  }

  while(counter_copy>0){            //looping until counter>0

    if ((r = driver_receive(ANY, &msg, &ipc_status))==1){ 

      printf("driver_receive failed with: %d",r);

      continue;

    }

    if (is_ipc_notify(ipc_status)){                                //received notification

      switch (_ENDPOINT_P(msg.m_source)){

        case HARDWARE:                                             //hardware interrupt notification

                if (msg.m_notify.interrupts &mouse_irq){        // subscribed interrupt

                  mouse_ih();

                  if((size==0 && ((byte&0x08)==0x08)) || size==1 ||size==2){      //0x08 is the mask to check if the 3rd bit of the first byte is set

                    pp.bytes[size]=byte;

                    size++;

                  }

                  if(size==3){

                    size=0;

                    parse_packet(&pp);

                    mouse_print_packet(&pp);

                    counter_copy--;

                  }

                }

               break;

        default:

              break;                             //no other notifications expected: do nothing	

        }

    } 

    else {                                       //received a standard message, not a notification

      //no standard messages expected: do nothing

    }

  }

   if (mouse_unsubscribe_int() != 0) {            //check if unsubscription worked

		printf("Error unsubscribing int \n");

		return 1;

	}

  scan_code=0;

  return 0;