C++ (Cpp) platform_spi_init Exemples

Exemple #1

Fichier : platform_spi.c Projet : HargicStudio/SmartCup_MiCOKit_v2.4.0.0

void SPIDrvTest(void)
{
	platform_spi_config_t cfg;
	s_segs[0].length = 1024;
	s_segs[0].tx_buffer = (const void*) 0;
	s_segs[0].rx_buffer = s_spiTestbuf;

	s_segs[1].length = 1025;
	s_segs[1].tx_buffer = (const void*) 0x1000;
	s_segs[1].rx_buffer = s_spiTestbuf;

	s_segs[2].length = sizeof(s_spiTestbuf);
	s_segs[2].tx_buffer = (const void*) 0x4000;
	s_segs[2].rx_buffer = s_spiTestbuf;

	cfg.speed = mico_spi_flash.speed;
	cfg.chip_select = platform_gpio_pins + mico_spi_flash.chip_select;
	cfg.mode = mico_spi_flash.mode;
	cfg.bits = mico_spi_flash.bits;

	// >>>
	{

		platform_spi_driver_t *pDrv = &platform_spi_drivers[MICO_SPI_0];
		platform_spi_t const *pHw = pDrv->peripheral;
		platform_spi_init(pDrv, pHw, &cfg);
		platform_spi_deinit(pDrv);
		platform_spi_init(pDrv, pHw, &cfg);
		g_pSPI0->CFG |= 1UL << 7;
		platform_spi_transfer(pDrv, &cfg, s_segs + 0, 3);
	}
}

Exemple #2

Fichier : mico_platform_common.c Projet : robbie-cao/MiCO

OSStatus MicoSpiTransfer( const mico_spi_device_t* spi, const mico_spi_message_segment_t* segments, uint16_t number_of_segments )
{
  platform_spi_config_t config;
  OSStatus err = kNoErr;

  if ( spi->port >= MICO_SPI_NONE )
    return kUnsupportedErr;

#ifdef MICO_WIFI_SHARE_SPI_BUS
  if( platform_spi_peripherals[spi->port].port == wifi_spi.port )
  {
    return platform_wlan_spi_transfer( &platform_gpio_pins[spi->chip_select], segments, number_of_segments );
  }
#endif

  if( platform_spi_drivers[spi->port].spi_mutex == NULL)
    mico_rtos_init_mutex( &platform_spi_drivers[spi->port].spi_mutex );

  config.chip_select = &platform_gpio_pins[spi->chip_select];
  config.speed       = spi->speed;
  config.mode        = spi->mode;
  config.bits        = spi->bits;

  mico_rtos_lock_mutex( &platform_spi_drivers[spi->port].spi_mutex );
  err = platform_spi_init( &platform_spi_drivers[spi->port], &platform_spi_peripherals[spi->port], &config );
  err = platform_spi_transfer( &platform_spi_drivers[spi->port], &config, segments, number_of_segments );
  mico_rtos_unlock_mutex( &platform_spi_drivers[spi->port].spi_mutex );

  return err;
}

Exemple #3

Fichier : wwd_SPI.c Projet : fishbaoz/wiced-emw3165

wwd_result_t host_platform_spi_transfer( wwd_bus_transfer_direction_t direction, uint8_t* buffer, uint16_t buffer_length )
{
    const platform_spi_t*       wlan_spi_base = &platform_spi_peripherals[WWD_SPI];
    wiced_result_t              result   = WWD_SUCCESS;
    platform_spi_message_segment_t segment;

    platform_spi_init( wlan_spi_base, &wlan_spi_config );

    segment.length    = buffer_length;
    segment.tx_buffer = buffer;
    segment.rx_buffer = direction == BUS_WRITE  ? NULL : buffer;

    result = platform_spi_transfer( wlan_spi_base, &wlan_spi_config, &segment, 1);

    platform_spi_deinit( wlan_spi_base );

    return result;
}

Exemple #4

Fichier : mico_platform_common.c Projet : karlnet/mico

OSStatus MicoSpiInitialize( const mico_spi_device_t* spi )
{
  platform_spi_config_t config;
  OSStatus              err = kNoErr;

  if ( spi->port >= MICO_SPI_NONE )
    return kUnsupportedErr;

  if( platform_spi_drivers[spi->port].spi_mutex == NULL)
    mico_rtos_init_mutex( &platform_spi_drivers[spi->port].spi_mutex );
  
  config.chip_select = &platform_gpio_pins[spi->chip_select];
  config.speed       = spi->speed;
  config.mode        = spi->mode;
  config.bits        = spi->bits;
  
  mico_rtos_lock_mutex( &platform_spi_drivers[spi->port].spi_mutex );
  err = platform_spi_init( &platform_spi_drivers[spi->port], &platform_spi_peripherals[spi->port], &config );
  mico_rtos_unlock_mutex( &platform_spi_drivers[spi->port].spi_mutex );

  return err;
}