xref: /btstack/port/renesas-ek-ra6m4a-da14531/e2-project/src/hal_entry.c (revision c30869498fb8e98c1408c9db0e7624f02f483b73)

/***********************************************************************************************************************
 * Copyright [2020-2022] Renesas Electronics Corporation and/or its affiliates.  All Rights Reserved.
 *
 * This software and documentation are supplied by Renesas Electronics America Inc. and may only be used with products
 * of Renesas Electronics Corp. and its affiliates ("Renesas").  No other uses are authorized.  Renesas products are
 * sold pursuant to Renesas terms and conditions of sale.  Purchasers are solely responsible for the selection and use
 * of Renesas products and Renesas assumes no liability.  No license, express or implied, to any intellectual property
 * right is granted by Renesas. This software is protected under all applicable laws, including copyright laws. Renesas
 * reserves the right to change or discontinue this software and/or this documentation. THE SOFTWARE AND DOCUMENTATION
 * IS DELIVERED TO YOU "AS IS," AND RENESAS MAKES NO REPRESENTATIONS OR WARRANTIES, AND TO THE FULLEST EXTENT
 * PERMISSIBLE UNDER APPLICABLE LAW, DISCLAIMS ALL WARRANTIES, WHETHER EXPLICITLY OR IMPLICITLY, INCLUDING WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT, WITH RESPECT TO THE SOFTWARE OR
 * DOCUMENTATION.  RENESAS SHALL HAVE NO LIABILITY ARISING OUT OF ANY SECURITY VULNERABILITY OR BREACH.  TO THE MAXIMUM
 * EXTENT PERMITTED BY LAW, IN NO EVENT WILL RENESAS BE LIABLE TO YOU IN CONNECTION WITH THE SOFTWARE OR DOCUMENTATION
 * (OR ANY PERSON OR ENTITY CLAIMING RIGHTS DERIVED FROM YOU) FOR ANY LOSS, DAMAGES, OR CLAIMS WHATSOEVER, INCLUDING,
 * WITHOUT LIMITATION, ANY DIRECT, CONSEQUENTIAL, SPECIAL, INDIRECT, PUNITIVE, OR INCIDENTAL DAMAGES; ANY LOST PROFITS,
 * OTHER ECONOMIC DAMAGE, PROPERTY DAMAGE, OR PERSONAL INJURY; AND EVEN IF RENESAS HAS BEEN ADVISED OF THE POSSIBILITY
 * OF SUCH LOSS, DAMAGES, CLAIMS OR COSTS.
 **********************************************************************************************************************/

#include "hal_data.h"

void R_BSP_WarmStart(bsp_warm_start_event_t event);

extern bsp_leds_t g_bsp_leds;

/*******************************************************************************************************************//**
 * @brief  Blinky example application
 *
 * Blinks all leds at a rate of 1 second using the software delay function provided by the BSP.
 *
 **********************************************************************************************************************/
void hal_entry (void)
{
#if BSP_TZ_SECURE_BUILD

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

    // this is a test

    /* Define the units to be used with the software delay function */
    const bsp_delay_units_t bsp_delay_units = BSP_DELAY_UNITS_MILLISECONDS;

    /* Set the blink frequency (must be <= bsp_delay_units */
    const uint32_t freq_in_hz = 2;

    /* Calculate the delay in terms of bsp_delay_units */
    const uint32_t delay = bsp_delay_units / freq_in_hz;

    /* LED type structure */
    bsp_leds_t leds = g_bsp_leds;

    /* If this board has no LEDs then trap here */
    if (0 == leds.led_count)
    {
        while (1)
        {
            ;                          // There are no LEDs on this board
        }
    }

    /* Holds level to set for pins */
    bsp_io_level_t pin_level = BSP_IO_LEVEL_LOW;

    while (1)
    {
        /* Enable access to the PFS registers. If using r_ioport module then register protection is automatically
         * handled. This code uses BSP IO functions to show how it is used.
         */
        R_BSP_PinAccessEnable();

        /* Update all board LEDs */
        for (uint32_t i = 0; i < leds.led_count; i++)
        {
            /* Get pin to toggle */
            uint32_t pin = leds.p_leds[i];

            /* Write to this pin */
            R_BSP_PinWrite((bsp_io_port_pin_t) pin, pin_level);

            // RESET
            R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_01_PIN_15, pin_level);

            // RTS
            R_IOPORT_PinWrite(&g_ioport_ctrl, BSP_IO_PORT_02_PIN_05, pin_level);

        }

        /* Protect PFS registers */
        R_BSP_PinAccessDisable();

        /* Toggle level for next write */
        if (BSP_IO_LEVEL_LOW == pin_level)
        {
            pin_level = BSP_IO_LEVEL_HIGH;
        }
        else
        {
            pin_level = BSP_IO_LEVEL_LOW;
        }

        /* Delay */
        R_BSP_SoftwareDelay(delay, bsp_delay_units);
    }
}

/*******************************************************************************************************************//**
 * 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(&g_ioport_ctrl, g_ioport.p_cfg);
    }
}