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104f811e67
This unifies all the EC header files to use __CROS_EC_FILENAME_H as the include guard. Well, except for test/ util/ and extra/ which use __TEST_ __UTIL_ and __EXTRA_ prefixes respectively. BUG=chromium:496895 BRANCH=none TEST=make buildall -j Signed-off-by: Bill Richardson <wfrichar@chromium.org> Change-Id: Iea71b3a08bdec94a11239de810a2b2e152b15029 Reviewed-on: https://chromium-review.googlesource.com/278121 Reviewed-by: Randall Spangler <rspangler@chromium.org>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* USB serial console module */
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#ifndef __CROS_EC_USB_CONSOLE_H
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#define __CROS_EC_USB_CONSOLE_H
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#ifdef CONFIG_USB_CONSOLE
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#include <stdarg.h>
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/**
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* Put a null-terminated string to the USB console, like fputs().
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*
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* @return EC_SUCCESS, or non-zero if output was truncated.
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*/
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int usb_puts(const char *outstr);
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/**
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* Print formatted output to the USB console, like vprintf().
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*
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* See printf.h for valid formatting codes.
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*
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* @return EC_SUCCESS, or non-zero if output was truncated.
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*/
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int usb_vprintf(const char *format, va_list args);
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/**
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* Put a single character to the USB console, like putchar().
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*
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* @param c Character to put
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* @return EC_SUCCESS, or non-zero if output was truncated.
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*/
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int usb_putc(int c);
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/**
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* Read a single character of input, similar to fgetc().
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*
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* @return the character, or -1 if no input waiting.
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*/
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int usb_getc(void);
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/**
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* Enable and Disable the USB console.
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*
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* By default the console is enabled, this should not be a problem since it
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* is not accessible until the USB peripheral is also initialized, which can
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* be delayed.
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*/
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void usb_console_enable(int enabled);
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#define usb_va_start va_start
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#define usb_va_end va_end
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#else
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#define usb_puts(x) EC_SUCCESS
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#define usb_vprintf(x, y) EC_SUCCESS
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#define usb_putc(x) EC_SUCCESS
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#define usb_getc(x) (-1)
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#define usb_va_start(x, y)
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#define usb_va_end(x)
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#endif
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#endif /* __CROS_EC_USB_CONSOLE_H */
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