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318 lines
12 KiB
C
318 lines
12 KiB
C
/*
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* Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
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* Copyright 2016-2018, 2020 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Debug console shall provide input and output functions to scan and print formatted data.
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* o Support a format specifier for PRINTF follows this prototype "%[flags][width][.precision][length]specifier"
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* - [flags] :'-', '+', '#', ' ', '0'
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* - [width]: number (0,1...)
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* - [.precision]: number (0,1...)
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* - [length]: do not support
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* - [specifier]: 'd', 'i', 'f', 'F', 'x', 'X', 'o', 'p', 'u', 'c', 's', 'n'
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* o Support a format specifier for SCANF follows this prototype " %[*][width][length]specifier"
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* - [*]: is supported.
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* - [width]: number (0,1...)
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* - [length]: 'h', 'hh', 'l','ll','L'. ignore ('j','z','t')
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* - [specifier]: 'd', 'i', 'u', 'f', 'F', 'e', 'E', 'g', 'G', 'a', 'A', 'o', 'c', 's'
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*/
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#ifndef _FSL_DEBUGCONSOLE_H_
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#define _FSL_DEBUGCONSOLE_H_
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#include "fsl_common.h"
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#include "fsl_component_serial_manager.h"
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/*!
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* @addtogroup debugconsole
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* @{
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*/
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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extern serial_handle_t g_serialHandle; /*!< serial manager handle */
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/*! @brief Definition select redirect toolchain printf, scanf to uart or not. */
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#define DEBUGCONSOLE_REDIRECT_TO_TOOLCHAIN 0U /*!< Select toolchain printf and scanf. */
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#define DEBUGCONSOLE_REDIRECT_TO_SDK 1U /*!< Select SDK version printf, scanf. */
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#define DEBUGCONSOLE_DISABLE 2U /*!< Disable debugconsole function. */
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/*! @brief Definition to select sdk or toolchain printf, scanf. The macro only support
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* to be redefined in project setting.
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*/
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#ifndef SDK_DEBUGCONSOLE
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#define SDK_DEBUGCONSOLE DEBUGCONSOLE_REDIRECT_TO_SDK
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#endif
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#if defined(SDK_DEBUGCONSOLE) && !(SDK_DEBUGCONSOLE)
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#include <stdio.h>
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#else
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#include <stdarg.h>
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#endif
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/*! @brief Definition to select redirect toolchain printf, scanf to uart or not.
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*
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* if SDK_DEBUGCONSOLE defined to 0,it represents select toolchain printf, scanf.
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* if SDK_DEBUGCONSOLE defined to 1,it represents select SDK version printf, scanf.
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* if SDK_DEBUGCONSOLE defined to 2,it represents disable debugconsole function.
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*/
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#if SDK_DEBUGCONSOLE == DEBUGCONSOLE_DISABLE /* Disable debug console */
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static inline int DbgConsole_Disabled(void)
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{
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return -1;
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}
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#define PRINTF(...) DbgConsole_Disabled()
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#define SCANF(...) DbgConsole_Disabled()
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#define PUTCHAR(...) DbgConsole_Disabled()
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#define GETCHAR() DbgConsole_Disabled()
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#elif SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_SDK /* Select printf, scanf, putchar, getchar of SDK version. */
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#define PRINTF DbgConsole_Printf
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#define SCANF DbgConsole_Scanf
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#define PUTCHAR DbgConsole_Putchar
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#define GETCHAR DbgConsole_Getchar
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#elif SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_TOOLCHAIN /* Select printf, scanf, putchar, getchar of toolchain. \ \
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*/
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#define PRINTF printf
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#define SCANF scanf
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#define PUTCHAR putchar
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#define GETCHAR getchar
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#endif /* SDK_DEBUGCONSOLE */
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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/*! @name Initialization*/
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/* @{ */
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#if ((SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_SDK) || defined(SDK_DEBUGCONSOLE_UART))
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/*!
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* @brief Initializes the peripheral used for debug messages.
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*
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* Call this function to enable debug log messages to be output via the specified peripheral
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* initialized by the serial manager module.
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* After this function has returned, stdout and stdin are connected to the selected peripheral.
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*
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* @param instance The instance of the module.If the device is kSerialPort_Uart,
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* the instance is UART peripheral instance. The UART hardware peripheral
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* type is determined by UART adapter. For example, if the instance is 1,
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* if the lpuart_adapter.c is added to the current project, the UART periheral
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* is LPUART1.
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* If the uart_adapter.c is added to the current project, the UART periheral
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* is UART1.
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* @param baudRate The desired baud rate in bits per second.
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* @param device Low level device type for the debug console, can be one of the following.
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* @arg kSerialPort_Uart,
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* @arg kSerialPort_UsbCdc
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* @param clkSrcFreq Frequency of peripheral source clock.
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*
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* @return Indicates whether initialization was successful or not.
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* @retval kStatus_Success Execution successfully
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*/
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status_t DbgConsole_Init(uint8_t instance, uint32_t baudRate, serial_port_type_t device, uint32_t clkSrcFreq);
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/*!
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* @brief De-initializes the peripheral used for debug messages.
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*
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* Call this function to disable debug log messages to be output via the specified peripheral
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* initialized by the serial manager module.
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*
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* @return Indicates whether de-initialization was successful or not.
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*/
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status_t DbgConsole_Deinit(void);
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/*!
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* @brief Prepares to enter low power consumption.
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*
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* This function is used to prepare to enter low power consumption.
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*
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* @return Indicates whether de-initialization was successful or not.
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*/
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status_t DbgConsole_EnterLowpower(void);
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/*!
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* @brief Restores from low power consumption.
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*
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* This function is used to restore from low power consumption.
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*
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* @return Indicates whether de-initialization was successful or not.
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*/
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status_t DbgConsole_ExitLowpower(void);
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#else
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/*!
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* Use an error to replace the DbgConsole_Init when SDK_DEBUGCONSOLE is not DEBUGCONSOLE_REDIRECT_TO_SDK and
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* SDK_DEBUGCONSOLE_UART is not defined.
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*/
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static inline status_t DbgConsole_Init(uint8_t instance,
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uint32_t baudRate,
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serial_port_type_t device,
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uint32_t clkSrcFreq)
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{
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(void)instance;
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(void)baudRate;
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(void)device;
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(void)clkSrcFreq;
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return (status_t)kStatus_Fail;
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}
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/*!
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* Use an error to replace the DbgConsole_Deinit when SDK_DEBUGCONSOLE is not DEBUGCONSOLE_REDIRECT_TO_SDK and
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* SDK_DEBUGCONSOLE_UART is not defined.
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*/
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static inline status_t DbgConsole_Deinit(void)
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{
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return (status_t)kStatus_Fail;
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}
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/*!
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* Use an error to replace the DbgConsole_EnterLowpower when SDK_DEBUGCONSOLE is not DEBUGCONSOLE_REDIRECT_TO_SDK and
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* SDK_DEBUGCONSOLE_UART is not defined.
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*/
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static inline status_t DbgConsole_EnterLowpower(void)
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{
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return (status_t)kStatus_Fail;
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}
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/*!
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* Use an error to replace the DbgConsole_ExitLowpower when SDK_DEBUGCONSOLE is not DEBUGCONSOLE_REDIRECT_TO_SDK and
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* SDK_DEBUGCONSOLE_UART is not defined.
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*/
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static inline status_t DbgConsole_ExitLowpower(void)
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{
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return (status_t)kStatus_Fail;
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}
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#endif /* ((SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_SDK) || defined(SDK_DEBUGCONSOLE_UART)) */
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#if (defined(SDK_DEBUGCONSOLE) && (SDK_DEBUGCONSOLE == DEBUGCONSOLE_REDIRECT_TO_SDK))
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/*!
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* @brief Writes formatted output to the standard output stream.
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*
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* Call this function to write a formatted output to the standard output stream.
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*
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* @param fmt_s Format control string.
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* @return Returns the number of characters printed or a negative value if an error occurs.
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*/
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int DbgConsole_Printf(const char *fmt_s, ...);
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/*!
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* @brief Writes formatted output to the standard output stream.
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*
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* Call this function to write a formatted output to the standard output stream.
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*
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* @param fmt_s Format control string.
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* @param formatStringArg Format arguments.
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* @return Returns the number of characters printed or a negative value if an error occurs.
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*/
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int DbgConsole_Vprintf(const char *fmt_s, va_list formatStringArg);
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/*!
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* @brief Writes a character to stdout.
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*
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* Call this function to write a character to stdout.
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*
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* @param ch Character to be written.
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* @return Returns the character written.
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*/
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int DbgConsole_Putchar(int ch);
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/*!
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* @brief Reads formatted data from the standard input stream.
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*
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* Call this function to read formatted data from the standard input stream.
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*
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* @note Due the limitation in the BM OSA environment (CPU is blocked in the function,
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* other tasks will not be scheduled), the function cannot be used when the
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* DEBUG_CONSOLE_TRANSFER_NON_BLOCKING is set in the BM OSA environment.
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* And an error is returned when the function called in this case. The suggestion
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* is that polling the non-blocking function DbgConsole_TryGetchar to get the input char.
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*
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* @param fmt_s Format control string.
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* @return Returns the number of fields successfully converted and assigned.
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*/
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int DbgConsole_Scanf(char *fmt_s, ...);
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/*!
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* @brief Reads a character from standard input.
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*
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* Call this function to read a character from standard input.
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*
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* @note Due the limitation in the BM OSA environment (CPU is blocked in the function,
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* other tasks will not be scheduled), the function cannot be used when the
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* DEBUG_CONSOLE_TRANSFER_NON_BLOCKING is set in the BM OSA environment.
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* And an error is returned when the function called in this case. The suggestion
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* is that polling the non-blocking function DbgConsole_TryGetchar to get the input char.
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*
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* @return Returns the character read.
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*/
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int DbgConsole_Getchar(void);
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/*!
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* @brief Writes formatted output to the standard output stream with the blocking mode.
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*
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* Call this function to write a formatted output to the standard output stream with the blocking mode.
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* The function will send data with blocking mode no matter the DEBUG_CONSOLE_TRANSFER_NON_BLOCKING set
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* or not.
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* The function could be used in system ISR mode with DEBUG_CONSOLE_TRANSFER_NON_BLOCKING set.
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*
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* @param fmt_s Format control string.
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* @return Returns the number of characters printed or a negative value if an error occurs.
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*/
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int DbgConsole_BlockingPrintf(const char *fmt_s, ...);
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/*!
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* @brief Writes formatted output to the standard output stream with the blocking mode.
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*
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* Call this function to write a formatted output to the standard output stream with the blocking mode.
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* The function will send data with blocking mode no matter the DEBUG_CONSOLE_TRANSFER_NON_BLOCKING set
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* or not.
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* The function could be used in system ISR mode with DEBUG_CONSOLE_TRANSFER_NON_BLOCKING set.
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*
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* @param fmt_s Format control string.
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* @param formatStringArg Format arguments.
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* @return Returns the number of characters printed or a negative value if an error occurs.
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*/
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int DbgConsole_BlockingVprintf(const char *fmt_s, va_list formatStringArg);
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/*!
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* @brief Debug console flush.
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*
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* Call this function to wait the tx buffer empty.
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* If interrupt transfer is using, make sure the global IRQ is enable before call this function
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* This function should be called when
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* 1, before enter power down mode
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* 2, log is required to print to terminal immediately
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* @return Indicates whether wait idle was successful or not.
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*/
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status_t DbgConsole_Flush(void);
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#ifdef DEBUG_CONSOLE_TRANSFER_NON_BLOCKING
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/*!
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* @brief Debug console try to get char
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* This function provides a API which will not block current task, if character is
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* available return it, otherwise return fail.
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* @param ch the address of char to receive
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* @return Indicates get char was successful or not.
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*/
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status_t DbgConsole_TryGetchar(char *ch);
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#endif
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#endif /* SDK_DEBUGCONSOLE */
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/*! @} */
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#if defined(__cplusplus)
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}
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#endif /* __cplusplus */
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/*! @} */
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#endif /* _FSL_DEBUGCONSOLE_H_ */
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