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);
}
}
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;
}
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;
}
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;
}