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97fc2f2af1
This adds a driver for the ST M95xxx series SPI EEPROMs. The driver has been tested with the M95M01 EEPROM, but should work with other chips from that family. SPI-EEPROMs from other vendors from the families AT25xxx, 25AAxxx, 25LCxxx, CAT25xxx & BR25Sxxx should also in the same way.
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
/*
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* Copyright (C) 2019 ML!PA Consulting GmbH
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup drivers_at25xxx
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* @{
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*
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* @file
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* @brief Default configuration for the M95M01 EEPROM
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*
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* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
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* @}
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*/
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#ifndef AT25XXX_PARAMS_H
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#define AT25XXX_PARAMS_H
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#include "board.h"
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#include "at25xxx.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Set default configuration parameters for the AT25XXX driver
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* @{
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*/
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#ifndef AT25XXX_PARAM_SPI
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#define AT25XXX_PARAM_SPI (SPI_DEV(0))
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#endif
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#ifndef AT25XXX_PARAM_SPI_CLK
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#define AT25XXX_PARAM_SPI_CLK (SPI_CLK_5MHZ)
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#endif
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#ifndef AT25XXX_PARAM_CS
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#define AT25XXX_PARAM_CS (GPIO_PIN(0, 0))
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#endif
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#ifndef AT25XXX_PARAM_WP
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#define AT25XXX_PARAM_WP (GPIO_UNDEF)
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#endif
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#ifndef AT25XXX_PARAM_HOLD
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#define AT25XXX_PARAM_HOLD (GPIO_UNDEF)
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#endif
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#ifndef AT25XXX_PARAM_SIZE
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#define AT25XXX_PARAM_SIZE (128 * 1024UL) /* EEPROM size, in bytes */
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#endif
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#ifndef AT25XXX_PARAM_ADDR_LEN
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#define AT25XXX_PARAM_ADDR_LEN (24) /* Address length, in bits */
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#endif
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#ifndef AT25XXX_PARAM_PAGE_SIZE
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#define AT25XXX_PARAM_PAGE_SIZE (256) /* Page size, in bytes */
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#endif
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#ifndef AT25XXX_PARAMS
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#define AT25XXX_PARAMS { .spi = AT25XXX_PARAM_SPI, \
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.spi_clk = AT25XXX_PARAM_SPI_CLK, \
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.cs_pin = AT25XXX_PARAM_CS, \
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.wp_pin = AT25XXX_PARAM_WP, \
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.hold_pin = AT25XXX_PARAM_HOLD, \
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.size = AT25XXX_PARAM_SIZE, \
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.page_size = AT25XXX_PARAM_PAGE_SIZE }
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#endif
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/**
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* @brief AT25XXX configuration
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*/
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static const at25xxx_params_t at25xxx_params[] =
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{
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AT25XXX_PARAMS
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* AT25XXX_PARAMS_H */
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