I2C_TwoBoards/stm32f0xx_i2c_cpal_usercallback.c

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/**
  ******************************************************************************
  * @file    I2C/I2C_TwoBoards/stm32f0xx_i2c_cpal_usercallback.c
  * @author  MCD Application Team
  * @version V1.4.0
  * @date    24-July-2014
  * @brief   This file provides all the CPAL UserCallback functions.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"

/* Private typedef -----------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
extern const uint8_t tStateSignal[];
extern const uint8_t tSignal1[];
extern const uint8_t tSignal2[];
extern CPAL_TransferTypeDef  sRxStructure, sTxStructure;
extern uint8_t tRxBuffer[];
extern uint32_t BufferSize;
extern __IO uint32_t ActionState;
extern __IO uint32_t RecieverMode;

/* Private macro -------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
extern void Switch_Color(void); 
extern void Switch_ErrorColor(void);
extern uint8_t Buffer_Check(uint8_t* pBuffer, uint8_t* pBuffer1, uint8_t* pBuffer2,  uint8_t* pBuffer3, uint16_t BufferLength);

/* Private functions ---------------------------------------------------------*/



/*------------------------------------------------------------------------------
                     CPAL User Callbacks implementations 
------------------------------------------------------------------------------*/


/*=========== Timeout UserCallback ===========*/


/**
  * @brief  User callback that manages the Timeout error
  * @param  pDevInitStruct
  * @retval None.
  */
uint32_t CPAL_TIMEOUT_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{
  /* Update CPAL states */
  pDevInitStruct->CPAL_State = CPAL_STATE_READY;
  pDevInitStruct->wCPAL_DevError = CPAL_I2C_ERR_NONE ;
  pDevInitStruct->wCPAL_Timeout  = CPAL_I2C_TIMEOUT_DEFAULT;
  
  /* DeInitialize CPAL device */
  CPAL_I2C_DeInit(pDevInitStruct);  
  
  /* Initialize CPAL device with the selected parameters */
  CPAL_I2C_Init(pDevInitStruct);    
    
  /* Switch the LCD write color */
  Switch_ErrorColor();
  
  LCD_DisplayStringLine(Line9, (uint8_t*)"  Timeout Recovered ");
  
  ActionState = ACTION_NONE; 
  
  return CPAL_PASS;  
}


/*=========== Transfer UserCallback ===========*/


/**
  * @brief  Manages the End of Tx transfer event.
  * @param  pDevInitStruct 
  * @retval None
  */
void CPAL_I2C_TXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{
  STM_EVAL_LEDOff(LED3);  
  STM_EVAL_LEDToggle(LED2);
     
  /* Switch the LCD write color */
  Switch_Color(); 
  
  LCD_DisplayStringLine(Line3, (uint8_t*)"TRANSMIT MODE ACTIVE");
  LCD_DisplayStringLine(Line5, (uint8_t*)"   Signal Sent OK   ");
  LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY);
  
  ActionState  = ACTION_NONE;
}


/**
  * @brief  Manages the End of Rx transfer event.
  * @param  pDevInitStruct 
  * @retval None
  */  
void CPAL_I2C_RXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{
  uint8_t result = 0xFF, i = 0;
  
  /* Activate the mode receiver only */
  RecieverMode = 1;
  
  /* Switch the LCD write color */
  Switch_Color(); 
  
  LCD_DisplayStringLine(Line3, (uint8_t*)"RECEIVER MODE ACTIVE");
  LCD_DisplayStringLine(Line5, MEASSAGE_EMPTY);
  LCD_DisplayStringLine(Line9, MEASSAGE_EMPTY);
  
  STM_EVAL_LEDOff(LED2);  
  STM_EVAL_LEDToggle(LED3);
    
  /* Initialize local Reception structures */
  sRxStructure.wNumData = BufferSize;       /* Maximum Number of data to be received */
  sRxStructure.pbBuffer = tRxBuffer;        /* Common Rx buffer for all received data */
      
  /* Check the Received Buffer */
  result = Buffer_Check(tRxBuffer, (uint8_t*)tStateSignal, (uint8_t*)tSignal1,(uint8_t*)tSignal2, (uint16_t)BufferSize);
    
  switch(result)
  {
    case 0: 
      LCD_DisplayStringLine(Line7, (uint8_t*)"  State message OK  ");
      break;
      
    case 1: 
      /* Display Reception Complete */
      LCD_DisplayStringLine(Line5, (uint8_t*)" Signal1 message OK ");
      break;
    
    case 2:
      /* Display Reception Complete */
      LCD_DisplayStringLine(Line5, (uint8_t*)" Signal2 message OK ");
      break;
    
    default:  
      LCD_DisplayStringLine(Line7, (uint8_t*)"       Failure     ");
      break;
  }
  
  /* Reinitialize RXBuffer */
  for(i = 0; i < MAX_BUFF_SIZE; i++)
  {
    tRxBuffer[i]=0;
  }
}


/**
  * @brief  Manages Tx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_TX_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages Rx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_RX_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages the End of DMA Tx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMATXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages the Half of DMA Tx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMATXHT_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages Error of DMA Tx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMATXTE_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages the End of DMA Rx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMARXTC_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages the Half of DMA Rx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMARXHT_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  Manages Error of DMA Rx transfer event
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DMARXTE_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/*=========== Error UserCallback ===========*/


/**
  * @brief  User callback that manages the I2C device errors.
  * @note   Make sure that the define USE_SINGLE_ERROR_CALLBACK is uncommented in
  *         the cpal_conf.h file, otherwise this callback will not be functional.
  * @param  pDevInitStruct. 
  * @param  DeviceError.
  * @retval None
  */ 
void CPAL_I2C_ERR_UserCallback(CPAL_DevTypeDef pDevInstance, uint32_t DeviceError)
{
  /* if an Acknowledge failure error occurred */
  if (DeviceError == CPAL_I2C_ERR_AF )
  {
    LCD_DisplayStringLine(Line9, (uint8_t*)" Slave Not yet Ready");
  } 
  else
  {
    LCD_DisplayStringLine(Line9, (uint8_t*)" Device Err occurred ");
  }
  
  /* Update CPAL states */
  I2C_DevStructures[pDevInstance]->CPAL_State = CPAL_STATE_READY;
  I2C_DevStructures[pDevInstance]->wCPAL_DevError = CPAL_I2C_ERR_NONE;
  
  /* Deinitialize CPAL device */
  CPAL_I2C_DeInit(I2C_DevStructures[pDevInstance]);
  
  /* Initialize CPAL device with the selected parameters */
  CPAL_I2C_Init(I2C_DevStructures[pDevInstance]);    
  
  /* Switch the LCD write color */
  Switch_ErrorColor();
  
  ActionState = ACTION_NONE;
}


/**
  * @brief  User callback that manages BERR I2C device errors
  * @note   Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in
  *         the cpal_conf.h file, otherwise this callback will not be functional
  * @param  pDevInstance
  * @retval None
  */
/*void CPAL_I2C_BERR_UserCallback(CPAL_DevTypeDef pDevInstance)
{

}*/


/**
  * @brief  User callback that manages ARLO I2C device errors
  * @note   Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in
  *         the cpal_conf.h file, otherwise this callback will not be functional
  * @param  pDevInstance
  * @retval None
  */
/*void CPAL_I2C_ARLO_UserCallback(CPAL_DevTypeDef pDevInstance)
{

}*/


/**
  * @brief  User callback that manages OVR I2C device errors
  * @note   Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in
  *         the cpal_conf.h file, otherwise this callback will not be functional
  * @param  pDevInstance
  * @retval None
  */
/*void CPAL_I2C_OVR_UserCallback(CPAL_DevTypeDef pDevInstance)
{

}*/


/**
  * @brief  User callback that manages AF I2C device errors.
  * @note   Make sure that the define USE_MULTIPLE_ERROR_CALLBACK is uncommented in
  *         the cpal_conf.h file, otherwise this callback will not be functional
  * @param  pDevInstance
  * @retval None
  */
/*void CPAL_I2C_AF_UserCallback(CPAL_DevTypeDef pDevInstance)
{

}*/


/*=========== Addressing Mode UserCallback ===========*/


/**
  * @brief  User callback that manage General Call Addressing mode
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_GENCALL_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/**
  * @brief  User callback that manage Dual Address Addressing mode
  * @param  pDevInitStruct
  * @retval None
  */
/*void CPAL_I2C_DUALF_UserCallback(CPAL_InitTypeDef* pDevInitStruct)
{

}*/


/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/