50 lines
887 B
C
50 lines
887 B
C
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/*
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* Copyright (c) 2022 Thomas Stranger
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <device.h>
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#include <sys/crc.h>
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#include <zephyr/types.h>
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#include <drivers/w1.h>
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int z_impl_w1_read_block(const struct device *dev, uint8_t *buffer, size_t len)
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{
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const struct w1_driver_api *api = dev->api;
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int ret;
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if (api->read_block != NULL) {
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return api->read_block(dev, buffer, len);
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}
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for (int i = 0; i < len; ++i) {
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ret = w1_read_byte(dev);
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if (ret < 0) {
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return ret;
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}
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buffer[i] = ret;
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}
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return 0;
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}
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int z_impl_w1_write_block(const struct device *dev, const uint8_t *buffer,
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size_t len)
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{
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const struct w1_driver_api *api = dev->api;
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int ret;
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if (api->write_block != NULL) {
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return api->write_block(dev, buffer, len);
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}
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for (int i = 0; i < len; ++i) {
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ret = w1_write_byte(dev, buffer[i]);
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if (ret < 0) {
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return ret;
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}
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}
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return 0;
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}
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