/* Copyright Statement:
 *
 * This software/firmware and related documentation ("AutoChips Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to AutoChips Inc. and/or its licensors. Without
 * the prior written permission of AutoChips inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of AutoChips Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * AutoChips Inc. (C) 2023. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
 * RECEIVED FROM AUTOCHIPS AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
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 */

/******************************************************************************
* @version: V1.0.0 demo
******************************************************************************/

/*!
 *Routine Description:
 *
 *1. Boot demo
 *
 */

/*!
 * @file main.c
 *
 * @brief This file is main.c.
 *
 */

/* ===========================================  Includes  =========================================== */
#include "gpio.h"
#include "ac7803x_debugout.h"


/* ============================================  Define  ============================================ */
#define     AppStartAddress     (0x0803F800U)

/* ===========================================  Typedef  ============================================ */
typedef void (*pFunction)(void);

/* ==========================================  Variables  =========================================== */
static pFunction s_jumpToApplication;

/* ====================================  Functions declaration  ===================================== */


/* ======================================  Functions define  ======================================== */
/*!
 * @brief   main function
 *
 * @param   none
 * @return  int
 */
int main(void)
{
    uint32_t JumpAddress = 0;
    
    InitDebug();
    InitDelay();
    GPIO_LedInit();
    GPIO_KeyInit();

    printf("\r\nThe boot process is currently running, and it is currently in the Pflash.\r\n");
    printf("\r\nPressing K3 will jump to the APP...\r\n");
    while (1)
    {
        /* Pressing K3 will jump to the APP. */
        if (Get_Key3Value())
        {
            if(((*(__IO uint32_t *)AppStartAddress) >= (0x20000000U)) && ((*(__IO uint32_t *)AppStartAddress) <= (0x2000FFFFU)))
            {
                printf("\r\nStart Jump to APP...\r\n");
                __ASM("CPSID I");                                       /* Disable nterrupts */
                JumpAddress = *(__IO uint32_t *)(AppStartAddress + 4U); /* Set Jump Address */
                s_jumpToApplication = (pFunction)JumpAddress;
                __set_MSP(*(__IO uint32_t*)AppStartAddress);            /* Initialize user application's Stack Pointer */
                s_jumpToApplication();                                  /* Jump to APP */
            }
            else
            {
                printf("\r\n APP is NULL , Please reload APP...  \r\n");
            }
        }
        RGB_Toggle();
    }
}

/* =============================================  EOF  ============================================== */


