52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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* File : drv_spi_flash.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006-2013, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2018-04-02 Liuguang the first version.
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*/
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#include "drv_spi_flash.h"
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#include "spi_flash.h"
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#include "spi_flash_sfud.h"
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#ifndef SPI_FLASH_USING_SPIBUS_NAME
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#define SPI_FLASH_USING_SPIBUS_NAME "spi4"
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#endif
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#ifndef SPI_FLASH_NAME
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#define SPI_FLASH_NAME "flash0"
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#endif
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#ifndef SPI_FLASH_USING_CS_PIN
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#define SPI_FLASH_USING_CS_PIN (79)
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#endif
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int rt_hw_spi_flash_init(void)
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{
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rt_err_t ret;
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extern rt_err_t rt1050_spi_bus_attach_device(const char *bus_name,
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const char *device_name, rt_uint32_t pin);
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ret = rt1050_spi_bus_attach_device(SPI_FLASH_USING_SPIBUS_NAME,
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SPI_FLASH_USING_SPIBUS_NAME "0", SPI_FLASH_USING_CS_PIN);
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if(ret != RT_EOK)
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{
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return ret;
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}
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if(rt_sfud_flash_probe(SPI_FLASH_NAME, SPI_FLASH_USING_SPIBUS_NAME "0") == RT_NULL)
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{
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return RT_ERROR;
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}
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_spi_flash_init);
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