I2C_1.c

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/// \file 
#include "tutti_gli_header.h"
 
// DOCUMENTAZIONE DOXYGEN
 
 
/*! \page I2C_1_page I2C_1
*\brief  <span style="color:red;"> <b> This is the hw for the I2C_1 fw  </b> </span>
 
*\section I22C_1_section User use of the I2C_1
<hr width="75%" size="10" align="left">
 
\n I2C_1 is similar to I2C_0. Refer to it at \ref I2C_0 "I2C_0". 
 
\n The codes for I2C_1 is at: 
- \ref I2C_1.c
- \ref I2C_1.h
 
<!-- pappa -->  
*/
 
 
extern ARM_DRIVER_I2C Driver_I2C1;                                                  // Viene inclusa la Periferica I2C1
ARM_DRIVER_I2C * I2CAdrv = &Driver_I2C1;                            // Viene creato un puntatore a Driver_I2C1
 
/*****************************************************************************
  Callback della Periferica I2C_A
 ******************************************************************************/
/*! \brief The I2C_1 interrupt function
 
*\return No Parameters
 \showrefby
*\snippet{lineno} I2C_1.c fun_I2C_1_SignalEvent_t
 */
//! <!-- [fun_I2C_1_SignalEvent_t] --> 
void I2C_1_SignalEvent_t (uint32_t event)
{
//      if(event==ARM_I2C_EVENT_TRANSFER_DONE)              // Ricezione e trasmissione finita sia del master che dello slave
//      {
//          __NOP();
//      }
//      if(event==ARM_I2C_EVENT_SLAVE_TRANSMIT)
//      {
//          __NOP();
//      }
//      if(event==ARM_I2C_EVENT_SLAVE_RECEIVE)
//      {
//          __NOP();    
//      }
//      if(event==ARM_I2C_EVENT_ADDRESS_NACK)
//      {
//          __NOP();    
//      }           
        evento_I2C=event;
        if(event==ARM_I2C_EVENT_TRANSFER_DONE)              // Ricezione e trasmissione finita sia del master che dello slave
        {
            __NOP();
            Error_bad_operation = 0; // Non registriamo errori
        }
        if( event & ARM_I2C_EVENT_TRANSFER_INCOMPLETE)
        {
            Error_bad_operation |= 1;
        }       
        if(event==ARM_I2C_EVENT_SLAVE_TRANSMIT)
        {
            __NOP();
            Error_bad_operation |= 2;
        }
        if(event==ARM_I2C_EVENT_SLAVE_RECEIVE)
        {
            __NOP();
                Error_bad_operation |= 3;           
        }       
        if (event & ARM_I2C_EVENT_ADDRESS_NACK){
            Error_bad_operation = 4;
        }
        if (event & ARM_I2C_EVENT_ARBITRATION_LOST){
            Error_bad_operation |= 6;
        }
        if( event & ARM_I2C_EVENT_BUS_ERROR){
            Error_bad_operation |= 7;
        }
        if( event & ARM_I2C_EVENT_BUS_CLEAR){
            Error_bad_operation |= 8;
        }
}
//! <!-- [fun_I2C_1_SignalEvent_t] --> 
 
 
 
/*****************************************************************************
  I2C_A INIZIALIZE
 *****************************************************************************/
 
 /*! \brief The I2C_1 initialize
 
 *\return No Parameters
 \showrefby
\showrefs
\callgraph  
 *\snippet{lineno} I2C_1.c fun_I2C_1_Initialize
 */
 
//! <!-- [fun_I2C_1_Initialize] -->
void I2C_1_Initialize (void) {
 
    I2CAdrv->PowerControl (ARM_POWER_OFF);     // Terminate any pending transfers, reset IRQ/DMA, power off peripheral
    I2CAdrv->Uninitialize ();
    
  I2CAdrv->Initialize   (I2C_1_SignalEvent_t);                                                  // Viene inizializzata la periferica I2C
  I2CAdrv->PowerControl (ARM_POWER_FULL);                                                               // Viene accesa la periferica
  I2CAdrv->Control      (ARM_I2C_BUS_SPEED, ARM_I2C_BUS_SPEED_STANDARD);        // Viene impostata la velocit\'a del Bus
  I2CAdrv->Control      (ARM_I2C_BUS_CLEAR, 0);                                          
}
//! <!-- [fun_I2C_1_Initialize] -->