94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* Copyright 2016-2021 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef _MX25R_FLASH_H_
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#define _MX25R_FLASH_H_
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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typedef enum mx25r_err
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{
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mx25r_err_ok = 0,
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mx25r_err_out_of_range,
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mx25r_err_alignement,
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} mx25r_err_t;
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typedef void (*transfer_cb_t)(void *transfer_prv, uint8_t *tx_data, uint8_t *rx_data, size_t dataSize, bool eof);
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struct mx25r_instance
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{
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void *prv;
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transfer_cb_t callback;
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uint8_t cmd[5];
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};
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#if defined(__GNUC__)
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#else
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__packed
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#endif
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struct mx25r_rdid_result
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{
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char manufacturer;
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char device[2];
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#if defined(__GNUC__)
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} __attribute__((packed));
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#else
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};
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#endif
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#if defined(__GNUC__)
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#else
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__packed
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#endif
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struct mx25r_rdsr_result
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{
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char sr0;
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char sr1;
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#if defined(__GNUC__)
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} __attribute__((packed));
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#else
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};
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#endif
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#if defined(__GNUC__)
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#else
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__packed
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#endif
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struct mx25r_read_result
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{
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uint32_t word[4];
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#if defined(__GNUC__)
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} __attribute__((packed));
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#else
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};
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#endif
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union mx25r_result
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{
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struct mx25r_rdid_result rdid;
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struct mx25r_rdsr_result rdsr;
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struct mx25r_read_result read;
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};
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mx25r_err_t mx25r_init(struct mx25r_instance *instance, transfer_cb_t callback, void *callback_prv);
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mx25r_err_t mx25r_cmd_rdid(struct mx25r_instance *instance, struct mx25r_rdid_result *result);
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mx25r_err_t mx25r_cmd_read(struct mx25r_instance *instance, uint32_t address, uint8_t *buffer, uint32_t size);
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mx25r_err_t mx25r_cmd_nop(struct mx25r_instance *instance);
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mx25r_err_t mx25r_cmd_rdsr(struct mx25r_instance *instance, struct mx25r_rdsr_result *result);
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mx25r_err_t mx25r_cmd_wrdi(struct mx25r_instance *instance);
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mx25r_err_t mx25r_cmd_wren(struct mx25r_instance *instance);
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mx25r_err_t mx25r_cmd_write(struct mx25r_instance *instance,
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uint32_t address_256_align,
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uint8_t *buffer,
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uint32_t size_256_max);
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mx25r_err_t mx25r_cmd_sector_erase(struct mx25r_instance *instance, uint32_t address);
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#endif
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