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/* Copyright (c) 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.
*/
/* Debug console for Chrome EC */
#ifndef __CROS_EC_CONSOLE_H
#define __CROS_EC_CONSOLE_H
#include "common.h"
/* Console command; used by DECLARE_CONSOLE_COMMAND macro. */
struct console_command {
/* Command name. Case-insensitive. */
const char *name;
/* Handler for the command. argv[0] will be the command name. */
int (*handler)(int argc, char **argv);
};
/* Console channels */
enum console_channel {
CC_COMMAND = 0, /* Console command (interactive I/O). Use this only
* inside a console command routine. */
CC_CHARGER,
CC_HOSTCMD,
CC_I8042,
CC_KEYBOARD,
CC_KEYSCAN,
CC_LIGHTBAR,
CC_LPC,
CC_PORT80,
CC_POWERBTN,
CC_SYSTEM,
CC_TASK,
CC_USBCHARGE,
CC_X86POWER,
/* Channel count; not itself a channel */
CC_CHANNEL_COUNT
};
/* Put a string to the console channel. */
int cputs(enum console_channel channel, const char *outstr);
/* Print formatted output to the console channel. See uart_vprintf() for
* valid format codes. */
int cprintf(enum console_channel channel, const char *format, ...);
/* Flush the console output for all channels. */
void cflush(void);
/* Convenience macros for printing to the command channel.
*
* Modules may define similar macros in their .c files for their own use; it is
* recommended those module-specific macros be named CPUTS and CPRINTF. */
#define ccputs(outstr) cputs(CC_COMMAND, outstr)
/* gcc allows variable arg lists in macros; see
* http://gcc.gnu.org/onlinedocs/gcc/Variadic-Macros.html */
#define ccprintf(format, args...) cprintf(CC_COMMAND, format, ## args)
/* Called by UART when a line of input is pending. */
void console_has_input(void);
/* Register a console command handler */
#define DECLARE_CONSOLE_COMMAND(name, routine) \
static const char __con_cmd_label_##name[] = #name; \
const struct console_command __con_cmd_##name \
__attribute__((section(".rodata.cmds"))) \
= {__con_cmd_label_##name, routine}
#endif /* __CROS_EC_CONSOLE_H */
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