void interrupt iic0_Service (void)
{
IIC_FLG_CLEAR();
// Deteccion de eot
if (iic_data.currCB == iic_data.eotCB)
{
#ifdef IIC_DEBUG_EOT
putchar('e');putchar('o');putchar('t');putchar('\n');
#endif
IIC_STOP();
if (IIC0_IBCR_TX_RX == 0)
iic_commData.dataPtr[iic_data.dataIdx] = IIC_RECEIVE();
}
// Deteccion de errores
if (((IIC0_IBSR_RXAK == 1) && (IIC0_IBCR_TX_RX == 1)) || (IIC0_IBSR_IBAL == IIC_ARBITRATION_LOST))
{
IIC_STOP();
iic_data.currCB = iic_data.commFailedCB;
}
if (iic_data.currCB != NULL)
(*iic_data.currCB)();
return;
}
void interrupt iic0_srv (void)
{
IIC_FLG_CLEAR();
// Deteccion de eot
if (iic_data.currCB == iic_data.eotCB)
{
IIC_STOP();
if (IIC0_IBCR_TX_RX == 0)
iic_commData.data[iic_data.dataIdx] = IIC_RECEIVE();
}
// Deteccion de errores
if (((IIC0_IBSR_RXAK == 1) && (IIC0_IBCR_TX_RX == 1)) || (IIC0_IBSR_IBAL == IIC_ARBITRATION_LOST))
{
IIC_STOP();
iic_data.currCB = iic_data.commFailedCB;
}
if (iic_data.currCB != NULL)
(*iic_data.currCB)();
return;
}
void IIC_DataEvent(void)
{
uint8_t data;
uint8_t send = 0;
if((IIC_Status.sw == IIC_Switch_Pause) || (IIC_Status.i2cstat == IIC_I2CStat_Free))
{
//dummy read
IIC_MCU_DUMMYREAD(&data);
IIC_STOP();
}else
{
if(IIC_Status.step == IIC_Step_Sub)
//restart
{
if(IIC_Status.stat == IIC_Stat_Write)
{
IIC_Status.step = IIC_Step_RW;
IIC_QueuePointer = 0;
//start register Write
send = 1;
data = IIC_Queue[IIC_QueuePointer];
}else
{
IIC_MCU_RESTART;
}
}else
{
if(IIC_Status.stat == IIC_Stat_Write)
//send Write queue
{
IIC_QueuePointer ++;
if(IIC_QueuePointer == IIC_Status.queuelength)
//one unit Write done
{
IIC_STOP();
//dummy read
IIC_MCU_DUMMYREAD(&data);
//auto pause
//IIC_Status.sw = IIC_Switch_Pause;
IIC_Status.stat = IIC_Stat_Done;
}else
{
send = 1;
data = IIC_Queue[IIC_QueuePointer];
}
}else
{
if((IIC_QueuePointer + 2) == IIC_Status.queuelength)
{
IIC_MCU_STOP1;
}
else if((IIC_QueuePointer + 1) == IIC_Status.queuelength)
{
IIC_MCU_STOP2;
}
if(IIC_QueuePointer < IIC_Status.queuelength)
IIC_MCU_RECEIVEDATA(&IIC_Queue[IIC_QueuePointer]);
IIC_QueuePointer ++;
if(IIC_QueuePointer == IIC_Status.queuelength)
{
IIC_MCU_STOP3;
IIC_MCU_DUMMYREAD(&data);
IIC_Status.stat = IIC_Stat_Done;
IIC_UserProcedureAfterScanOnce;
}
}
}
if(send)IIC_MCU_SENDDATA(data);
}
}
