RA6E1 イーサネット送信　RA Serial Bootインターフェース接続とは?

#include "hal_data.h"

#define ETHER_EXAMPLE_MAXIMUM_ETHERNET_FRAME_SIZE     (1514)
#define ETHER_EXAMPLE_TRANSMIT_ETHERNET_FRAME_SIZE    (60)
#define ETHER_EXAMPLE_SOURCE_MAC_ADDRESS              0x74, 0x90, 0x50, 0x00, 0x79, 0x01
#define ETHER_EXAMPLE_DESTINATION_MAC_ADDRESS         0x74, 0x90, 0x50, 0x00, 0x79, 0x02
#define ETHER_EXAMPLE_FRAME_TYPE                      0x00, 0x2E
#define ETHER_EXAMPLE_PAYLOAD                         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,                                                   \
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,                                                   \
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,                                                   \

/* Receive data buffer */
static uint8_t gp_read_buffer[ETHER_EXAMPLE_MAXIMUM_ETHERNET_FRAME_SIZE] = {0};
/* Transmit data buffer */
static uint8_t gp_send_data[ETHER_EXAMPLE_TRANSMIT_ETHERNET_FRAME_SIZE] =
{
    ETHER_EXAMPLE_DESTINATION_MAC_ADDRESS, /* Destination MAC address */
    ETHER_EXAMPLE_SOURCE_MAC_ADDRESS,      /* Source MAC address */
    ETHER_EXAMPLE_FRAME_TYPE,              /* Type field */
    ETHER_EXAMPLE_PAYLOAD                  /* Payload value (46byte) */
};

FSP_CPP_HEADER
void R_BSP_WarmStart(bsp_warm_start_event_t event);
FSP_CPP_FOOTER

/*******************************************************************************************************************//**
 * main() is generated by the RA Configuration editor and is used to generate threads if an RTOS is used.  This function
 * is called by main() when no RTOS is used.
 **********************************************************************************************************************/
void hal_entry(void)
{
    /* TODO: add your own code here */

    fsp_err_t err = FSP_SUCCESS;

    //PHY chip RESET
    R_PORT4->PODR_b.PODR5 = 0;
    R_PORT4->PDR_b.PDR5 = 1;
    R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);
    R_PORT4->PODR_b.PODR5 = 1;
    R_BSP_SoftwareDelay(1, BSP_DELAY_UNITS_MILLISECONDS);

    /* Source MAC Address */
    static uint8_t mac_address_source[6] = {ETHER_EXAMPLE_SOURCE_MAC_ADDRESS};
    uint32_t read_data_size = 0;
    //g_ether0_cfg.p_mac_address = mac_address_source;
    /* Open the ether instance with initial configuration. */
    err = R_ETHER_Open(&g_ether0_ctrl, &g_ether0_cfg);
    /* Handle any errors. This function should be defined by the user. */
    assert(FSP_SUCCESS == err);
    do
    {
        /* When the Ethernet link status read from the PHY-LSI Basic Status register is link-up,
         * Initializes the module and make auto negotiation. */
        err = R_ETHER_LinkProcess(&g_ether0_ctrl);
    } while (FSP_SUCCESS != err);
    /* Transmission is non-blocking. */
    /* User data copy to internal buffer and is transferred by DMA in the background. */
    err = R_ETHER_Write(&g_ether0_ctrl, (void *) gp_send_data, sizeof(gp_send_data));
    assert(FSP_SUCCESS == err);
    /* received data copy to user buffer from internal buffer. */
    err = R_ETHER_Read(&g_ether0_ctrl, (void *) gp_read_buffer, &read_data_size);
    assert(FSP_SUCCESS == err);
    /* Disable transmission and receive function and close the ether instance. */
    R_ETHER_Close(&g_ether0_ctrl);

    while(1)
    {
        __NOP();
    }

#if BSP_TZ_SECURE_BUILD
    /* Enter non-secure code */
    R_BSP_NonSecureEnter();
#endif
}

/*******************************************************************************************************************//**
 * This function is called at various points during the startup process.  This implementation uses the event that is
 * called right before main() to set up the pins.
 *
 * @param[in]  event    Where at in the start up process the code is currently at
 **********************************************************************************************************************/
void R_BSP_WarmStart(bsp_warm_start_event_t event)
{
    if (BSP_WARM_START_RESET == event)
    {
#if BSP_FEATURE_FLASH_LP_VERSION != 0

        /* Enable reading from data flash. */
        R_FACI_LP->DFLCTL = 1U;

        /* Would normally have to wait tDSTOP(6us) for data flash recovery. Placing the enable here, before clock and
         * C runtime initialization, should negate the need for a delay since the initialization will typically take more than 6us. */
#endif
    }

    if (BSP_WARM_START_POST_C == event)
    {
        /* C runtime environment and system clocks are setup. */

        /* Configure pins. */
        R_IOPORT_Open (&IOPORT_CFG_CTRL, &IOPORT_CFG_NAME);

#if BSP_CFG_SDRAM_ENABLED

        /* Setup SDRAM and initialize it. Must configure pins first. */
        R_BSP_SdramInit(true);
#endif
    }
}

#if BSP_TZ_SECURE_BUILD

FSP_CPP_HEADER
BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ();

/* Trustzone Secure Projects require at least one nonsecure callable function in order to build (Remove this if it is not required to build). */
BSP_CMSE_NONSECURE_ENTRY void template_nonsecure_callable ()
{

}
FSP_CPP_FOOTER

#endif

void ether_callback(ether_callback_args_t * p)
{
    __NOP();
}