a2a7b776cb
Add API for accessing Electrically Erasable Programmable Read-Only Memory (EEPROM) devices. EEPROMs have an erase block size of 1 byte, a long lifetime, and allows overwriting data on byte-by-byte access. Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
36 lines
1,021 B
C
36 lines
1,021 B
C
/*
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* Copyright (c) 2019 Vestas Wind Systems A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <syscall_handler.h>
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#include <drivers/eeprom.h>
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static inline int z_vrfy_eeprom_read(struct device *dev, off_t offset,
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void *data, size_t len)
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{
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Z_OOPS(Z_SYSCALL_DRIVER_EEPROM(dev, read));
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Z_OOPS(Z_SYSCALL_MEMORY_WRITE(data, len));
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return z_impl_eeprom_read((struct device *)dev, offset, (void *)data,
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len);
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}
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#include <syscalls/eeprom_read_mrsh.c>
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static inline int z_vrfy_eeprom_write(struct device *dev, off_t offset,
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const void *data, size_t len)
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{
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Z_OOPS(Z_SYSCALL_DRIVER_EEPROM(dev, write));
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Z_OOPS(Z_SYSCALL_MEMORY_READ(data, len));
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return z_impl_eeprom_write((struct device *)dev, offset,
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(const void *)data, len);
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}
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#include <syscalls/eeprom_write_mrsh.c>
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static inline size_t z_vrfy_eeprom_get_size(struct device *dev)
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{
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Z_OOPS(Z_SYSCALL_DRIVER_EEPROM(dev, size));
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return z_impl_eeprom_get_size((struct device *)dev);
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}
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#include <syscalls/eeprom_get_size_mrsh.c>
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