ezradio_plugin_manager.c

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/***************************************************************************/
#include <stddef.h>
#include <stdio.h>
#include <stdbool.h>

#include "em_gpio.h"
#include "gpiointerrupt.h"
#include "ustimer.h"

#include "ezradio_cmd.h"
#include "ezradio_prop.h"
#include "ezradio_hal.h"
#include "ezradio_api_lib.h"
#include "ezradio_api_lib_add.h"
#include "ezradio_plugin_manager.h"


/* Radio configuration data array. */
static const uint8_t Radio_Configuration_Data_Array[]  = \
                        RADIO_CONFIGURATION_DATA_ARRAY;

/* Radio interrupt receive flag */
static bool    ezradioIrqReceived = false;

#if defined( EZRADIO_PLUGIN_TRANSMIT )
Ecode_t ezradioHandleTransmitPlugin( EZRADIODRV_Handle_t radioHandle, EZRADIODRV_ReplyHandle_t radioReplyHandle );
#endif

#if defined( EZRADIO_PLUGIN_RECEIVE )
Ecode_t ezradioHandleReceivePlugin( EZRADIODRV_Handle_t radioHandle, EZRADIODRV_ReplyHandle_t radioReplyHandle );
#endif

#if defined( EZRADIO_PLUGIN_CRC_ERROR )
Ecode_t ezradioHandleCrcErrorPlugin( EZRADIODRV_Handle_t radioHandle, EZRADIODRV_ReplyHandle_t radioReplyHandle );
#endif

static void ezradioPowerUp(void);

static void GPIO_EZRadio_INT_IRQHandler( uint8_t pin );


/**************************************************************************/
void ezradioInit( EZRADIODRV_Handle_t handle )
{
  (void)handle;

  /* Initialize radio GPIOs and SPI port */
#if defined( EZRADIO_PLUGIN_PTI )
  ezradio_hal_GpioInit( GPIO_EZRadio_INT_IRQHandler, true );
#else
  ezradio_hal_GpioInit( GPIO_EZRadio_INT_IRQHandler, false );
#endif
  ezradio_hal_SpiInit();

  /* Power Up the radio chip */
  ezradioPowerUp();

  /* Load radio configuration */
  while (EZRADIO_CONFIG_SUCCESS != ezradio_configuration_init(Radio_Configuration_Data_Array))
  {
    /* Error hook */
#ifdef ERROR_HOOK
    ERROR_HOOK;
#else
    printf("ERROR: Radio configuration failed!\n");
#endif

    USTIMER_Init();
    /* Delay for 10ms time */
    USTIMER_Delay( 10000u );
    /* Deinit ustimer */
    USTIMER_DeInit();

    /* Power Up the radio chip */
    ezradioPowerUp();
  }

  /* Read ITs, clear pending ones */
  ezradio_get_int_status(0u, 0u, 0u, NULL);

}

/**************************************************************************/
Ecode_t ezradioPluginManager( EZRADIODRV_Handle_t radioHandle )
{
  /* EZRadio response structure union */
  ezradio_cmd_reply_t radioReplyData;
  EZRADIODRV_ReplyHandle_t radioReplyHandle = &radioReplyData;

  if ( radioHandle == NULL )
  {
    return ECODE_EMDRV_EZRADIODRV_ILLEGAL_HANDLE;
  }

  /* Check is radio interrupt is received. */
  if (ezradioIrqReceived)
  {
    /* Accept interrupt before clearing IT in the radio, so prevent race conditions. */
    ezradioIrqReceived = false;

    /* Read ITs, clear all pending ones */
    ezradio_get_int_status(0x0, 0x0, 0x0, radioReplyHandle);

#if defined( EZRADIO_PLUGIN_TRANSMIT )
    ezradioHandleTransmitPlugin( radioHandle, radioReplyHandle );
#endif

#if defined( EZRADIO_PLUGIN_RECEIVE )
    ezradioHandleReceivePlugin( radioHandle, radioReplyHandle );
#endif

#if defined( EZRADIO_PLUGIN_CRC_ERROR )
    ezradioHandleCrcErrorPlugin( radioHandle, radioReplyHandle );
#endif

  }

  return ECODE_EMDRV_EZRADIODRV_OK;
}

/**************************************************************************/
void ezradioResetTRxFifo(void)
{
#if defined( EZRADIO_PLUGIN_RECEIVE )
  ezradio_fifo_info(EZRADIO_CMD_FIFO_INFO_ARG_FIFO_RX_BIT, NULL);
#endif //#if defined( EZRADIO_PLUGIN_RECEIVE )

#if defined( EZRADIO_PLUGIN_TRANSMIT )
  ezradio_fifo_info(EZRADIO_CMD_FIFO_INFO_ARG_FIFO_TX_BIT, NULL);
#endif //#if defined( EZRADIO_PLUGIN_TRANSMIT )
}


/**************************************************************************/
static void ezradioPowerUp(void)
{
  /* Hardware reset the chip */
  ezradio_reset();

  /* Initialize ustimer */
  USTIMER_Init();
  /* Delay for preconfigured time */
  USTIMER_Delay( RADIO_CONFIG_DATA_RADIO_DELAY_AFTER_RESET_US );
  /* Deinit ustimer */
  USTIMER_DeInit();
}

/**************************************************************************/
static void GPIO_EZRadio_INT_IRQHandler( uint8_t pin )
{
  (void)pin;

  /* Sign radio interrupt received */
  ezradioIrqReceived = true;
}


/******** THE REST OF THE FILE IS DOCUMENTATION ONLY !**********************/