app_mcxw.c

/* app_mcxa.c
 *
 * Test bare-metal boot-led-on application
 *
 * Copyright (C) 2024 wolfSSL Inc.
 *
 * This file is part of wolfBoot.
 *
 * wolfBoot is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * wolfBoot is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
 */


#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include "fsl_common.h"
#include "fsl_port.h"
#include "fsl_gpio.h"
#include "fsl_clock.h"

#include "wolfboot/wolfboot.h"
#include "target.h"

extern void hal_init(void);

/* init gpio for port 3 */
void gpio_portA_init(int pin)
{
    const port_pin_config_t GPIO_OUT_LED = {
        (uint16_t)kPORT_PullDisable,
        (uint16_t)kPORT_LowPullResistor,
        (uint16_t)kPORT_FastSlewRate,
        (uint16_t)kPORT_PassiveFilterDisable,
        (uint16_t)kPORT_OpenDrainDisable,
        (uint16_t)kPORT_LowDriveStrength,
        (uint16_t)kPORT_NormalDriveStrength,
        (uint16_t)kPORT_MuxAsGpio,
        (uint16_t)kPORT_UnlockRegister
    };

    const gpio_pin_config_t GPIO_OUT_LED_config = {
        .pinDirection = kGPIO_DigitalOutput,
        .outputLogic = 0U
    };


    /* Initialize GPIO functionality on pin */
    GPIO_PinInit(GPIOA, pin, &GPIO_OUT_LED_config);
    PORT_SetPinConfig(PORTA, pin, &GPIO_OUT_LED);
    GPIO_PinWrite(GPIOA, pin, 1);
}

void main(void)
{
    int i = 0;
    uint8_t* bootPart = (uint8_t*)WOLFBOOT_PARTITION_BOOT_ADDRESS;
    uint32_t bootVer = wolfBoot_get_blob_version(bootPart);
    /* Enable GPIO port clocks */
    CLOCK_EnableClock(kCLOCK_GpioA);
    CLOCK_EnableClock(kCLOCK_PortA);
    CLOCK_EnableClock(kCLOCK_PortC);
    gpio_portA_init(18);
    gpio_portA_init(19);
    gpio_portA_init(20);

    hal_init();
    if (bootVer == 1) {
        /* Blue LED ON, GPIOA port A pin 20 */
        GPIO_PinWrite(GPIOA, 20, 0);
        wolfBoot_update_trigger();
    }
    else {
        /* Green LED ON, GPIOA port A pin 19 */
        GPIO_PinWrite(GPIOA, 19, 0);
        /* mark boot successful */
        wolfBoot_success();
    }

    /* busy wait */
    while (1) {
        __WFI();
    }
}