/**
******************************************************************************
* @file    main.c
* @author  System LAB
* @version V1.0.0
* @date    17-June-2015
* @brief   Source file for SPIRIT1
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*   1. Redistributions of source code must retain the above copyright notice,
*      this list of conditions and the following disclaimer.
*   2. Redistributions in binary form must reproduce the above copyright notice,
*      this list of conditions and the following disclaimer in the documentation
*      and/or other materials provided with the distribution.
*   3. Neither the name of STMicroelectronics nor the names of its contributors
*      may be used to endorse or promote products derived from this software
*      without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx.h"
#include "spirit1-arch.h"
#include "spirit1.h"

extern void spirit1_interrupt_callback(void);
SpiritBool spiritdk_timer_expired = S_FALSE;
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
/* use the SPI-port to acquire the status bytes from the radio. */
#define CS_TO_SCLK_DELAY  0x0100
extern SPI_HandleTypeDef pSpiHandle;
uint16_t
spirit1_arch_refresh_status(void)
{

  volatile uint16_t mcstate = 0x0000;
  uint8_t header[2];
  header[0]=0x01;
  header[1]=MC_STATE1_BASE;
  uint32_t SpiTimeout = ((uint32_t)1000);                         /*<! Value of Timeout when SPI communication fails */    
  
  IRQ_DISABLE();
  
  /* Puts the SPI chip select low to start the transaction */
  RadioSpiCSLow();
  
  for (volatile uint16_t Index = 0; Index < CS_TO_SCLK_DELAY; Index++);

  /* Write the aHeader bytes and read the SPIRIT1 status bytes */
  HAL_SPI_TransmitReceive(&pSpiHandle, (uint8_t *)&header[0], (uint8_t *)&mcstate, 1, SpiTimeout);
  mcstate = mcstate<<8;  

  /* Write the aHeader bytes and read the SPIRIT1 status bytes */
  HAL_SPI_TransmitReceive(&pSpiHandle, (uint8_t *)&header[1], (uint8_t *)&mcstate, 1, SpiTimeout);

  /* To be sure to don't rise the Chip Select before the end of last sending */
  while (__HAL_SPI_GET_FLAG(&pSpiHandle, SPI_FLAG_TXE) == RESET);

  /* Puts the SPI chip select high to end the transaction */
  RadioSpiCSHigh();
  
  IRQ_ENABLE();
  
  return mcstate;

}