50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
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/*
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* Copyright (C) 2020, Huada Semiconductor Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-10-30 CDT first version
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* 2021-01-18 CDT MOdify SRAM_SIZE
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*/
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#ifndef __BOARD_H__
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#define __BOARD_H__
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#include <rtthread.h>
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#include "ddl.h"
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#include "gpio.h"
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#include "drv_gpio.h"
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/* board configuration */
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#define SRAM_BASE 0x20000000
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#define SRAM_SIZE 0x2000
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#define SRAM_END (SRAM_BASE + SRAM_SIZE)
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/* High speed sram. */
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#ifdef __CC_ARM
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#define HEAP_BEGIN (&Image$$RW_IRAM1$$ZI$$Limit)
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#elif __ICCARM__
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#pragma section="CSTACK"
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#define HEAP_BEGIN (__segment_end("CSTACK"))
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#else
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extern int __bss_end;
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#define HEAP_BEGIN (&__bss_end)
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#endif
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#ifdef __ICCARM__
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// Use *.icf ram symbal, to avoid hardcode.
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#define HEAP_END SRAM_END
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#else
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#define HEAP_END SRAM_END
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#endif
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void rt_hw_board_init(void);
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void rt_hw_us_delay(rt_uint32_t us);
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#endif
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// <<< Use Configuration Wizard in Context Menu >>>
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