mirror of https://github.com/wolfSSL/wolfBoot.git
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* same51.c
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*
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* Copyright (C) 2024 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include "hal.h"
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#include "wolfboot/wolfboot.h"
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#define PORT_BASE 0x41008000
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#define GPIOA_BASE PORT_BASE
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#define GPIOA_DIR *((volatile uint32_t *)(GPIOA_BASE + 0x00))
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#define GPIOA_OUT *((volatile uint32_t *)(GPIOA_BASE + 0x10))
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#define GPIOA_WRCONFIG *((volatile uint32_t *)(GPIOA_BASE + 0x28))
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#define WRCONFIG_INEN (1 << 1)
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#define WRCONFIG_PULLEN (1 << 2)
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void main(void) {
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GPIOA_WRCONFIG &= ~(WRCONFIG_PULLEN | WRCONFIG_INEN);
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GPIOA_DIR |= (1 << 2);
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GPIOA_OUT |= (1 << 2);
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asm volatile ("cpsie i");
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while(1)
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asm volatile("WFI");
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}
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