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Diffstat (limited to 'include/onewire.h')
-rw-r--r-- | include/onewire.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/include/onewire.h b/include/onewire.h deleted file mode 100644 index 58899360a4..0000000000 --- a/include/onewire.h +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright 2012 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* 1-wire interface for Chrome EC */ - -/* - * Note that 1-wire communication is VERY latency-sensitive. If these - * functions are run at low priority, communication may be garbled. However, - * these functions are also slow enough (~1ms per call) that it's really not - * desirable to put them at high priority. So make sure you check the - * confirmation code from the peripheral for any communication, and retry a few - * times in case of failure. - */ - -#ifndef __CROS_EC_ONEWIRE_H -#define __CROS_EC_ONEWIRE_H - -#include "common.h" - -/** - * Reset the 1-wire bus. - * - * @return EC_SUCCESS, or non-zero if presence detect fails. - */ -int onewire_reset(void); - -/** - * Read a byte from the 1-wire bus. - * - * @return The byte value read. - */ -int onewire_read(void); - -/** - * Write a byte to the 1-wire bus. - * - * @param data Byte to write - */ -void onewire_write(int data); - -#endif /* __CROS_EC_ONEWIRE_H */ |