| /* |
| * Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| * |
| * o Redistributions of source code must retain the above copyright notice, this list |
| * of conditions and the following disclaimer. |
| * |
| * o Redistributions in binary form must reproduce the above copyright notice, this |
| * list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| * |
| * o Neither the name of Freescale Semiconductor, Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Debug console shall provide input and output functions to scan and print formatted data. |
| * o Support a format specifier for PRINTF follows this prototype "%[flags][width][.precision][length]specifier" |
| * - [flags] :'-', '+', '#', ' ', '0' |
| * - [width]: number (0,1...) |
| * - [.precision]: number (0,1...) |
| * - [length]: do not support |
| * - [specifier]: 'd', 'i', 'f', 'F', 'x', 'X', 'o', 'p', 'u', 'c', 's', 'n' |
| * o Support a format specifier for SCANF follows this prototype " %[*][width][length]specifier" |
| * - [*]: is supported. |
| * - [width]: number (0,1...) |
| * - [length]: 'h', 'hh', 'l','ll','L'. ignore ('j','z','t') |
| * - [specifier]: 'd', 'i', 'u', 'f', 'F', 'e', 'E', 'g', 'G', 'a', 'A', 'o', 'c', 's' |
| */ |
| |
| #ifndef _FSL_DEBUGCONSOLE_H_ |
| #define _FSL_DEBUGCONSOLE_H_ |
| |
| #include "fsl_common.h" |
| |
| /* |
| * @addtogroup debug_console |
| * @{ |
| */ |
| |
| /******************************************************************************* |
| * Definitions |
| ******************************************************************************/ |
| |
| /*! @brief Definition to select sdk or toolchain printf, scanf. */ |
| #ifndef SDK_DEBUGCONSOLE |
| #define SDK_DEBUGCONSOLE 1U |
| #endif |
| |
| /*! @brief Definition to printf float number. */ |
| #ifndef PRINTF_FLOAT_ENABLE |
| #define PRINTF_FLOAT_ENABLE 1U |
| #endif /* PRINTF_FLOAT_ENABLE */ |
| |
| /*! @brief Definition to scanf float number. */ |
| #ifndef SCANF_FLOAT_ENABLE |
| #define SCANF_FLOAT_ENABLE 1U |
| #endif /* SCANF_FLOAT_ENABLE */ |
| |
| /*! @brief Definition to support advanced format specifier for printf. */ |
| #ifndef PRINTF_ADVANCED_ENABLE |
| #define PRINTF_ADVANCED_ENABLE 1U |
| #endif /* PRINTF_ADVANCED_ENABLE */ |
| |
| /*! @brief Definition to support advanced format specifier for scanf. */ |
| #ifndef SCANF_ADVANCED_ENABLE |
| #define SCANF_ADVANCED_ENABLE 1U |
| #endif /* SCANF_ADVANCED_ENABLE */ |
| |
| #if SDK_DEBUGCONSOLE /* Select printf, scanf, putchar, getchar of SDK version. */ |
| #define PRINTF DbgConsole_Printf |
| #define SCANF DbgConsole_Scanf |
| #define PUTCHAR DbgConsole_Putchar |
| #define GETCHAR DbgConsole_Getchar |
| #else /* Select printf, scanf, putchar, getchar of toolchain. */ |
| #define PRINTF printf |
| #define SCANF scanf |
| #define PUTCHAR putchar |
| #define GETCHAR getchar |
| #endif /* SDK_DEBUGCONSOLE */ |
| |
| /******************************************************************************* |
| * Prototypes |
| ******************************************************************************/ |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif /* __cplusplus */ |
| |
| /*! @name Initialization*/ |
| /* @{ */ |
| |
| /*! |
| * @brief Initialize the the peripheral used for debug messages. |
| * |
| * Call this function to enable debug log messages to be output via the specified peripheral, |
| * frequency of peripheral source clock, base address at the specified baud rate. |
| * After this function has returned, stdout and stdin will be connected to the selected peripheral. |
| * |
| * @param baseAddr Which address of peripheral is used to send debug messages. |
| * @param baudRate The desired baud rate in bits per second. |
| * @param device Low level device type for the debug console, could be one of: |
| * @arg DEBUG_CONSOLE_DEVICE_TYPE_UART, |
| * @arg DEBUG_CONSOLE_DEVICE_TYPE_LPUART, |
| * @arg DEBUG_CONSOLE_DEVICE_TYPE_LPSCI, |
| * @arg DEBUG_CONSOLE_DEVICE_TYPE_USBCDC. |
| * @param clkSrcFreq Frequency of peripheral source clock. |
| * |
| * @return Whether initialization was successful or not. |
| * @retval kStatus_Success Execution successfully |
| * @retval kStatus_Fail Execution failure |
| * @retval kStatus_InvalidArgument Invalid argument existed |
| */ |
| status_t DbgConsole_Init(uint32_t baseAddr, uint32_t baudRate, uint8_t device, uint32_t clkSrcFreq); |
| |
| /*! |
| * @brief De-initialize the peripheral used for debug messages. |
| * |
| * Call this function to disable debug log messages to be output via the specified peripheral |
| * base address and at the specified baud rate. |
| * |
| * @return Whether de-initialization was successful or not. |
| */ |
| status_t DbgConsole_Deinit(void); |
| |
| #if SDK_DEBUGCONSOLE |
| /*! |
| * @brief Writes formatted output to the standard output stream. |
| * |
| * Call this function to Writes formatted output to the standard output stream. |
| * |
| * @param fmt_s Format control string. |
| * @return Returns the number of characters printed, or a negative value if an error occurs. |
| */ |
| int DbgConsole_Printf(char *fmt_s, ...); |
| |
| /*! |
| * @brief Writes a character to stdout. |
| * |
| * Call this function to write a character to stdout. |
| * |
| * @param ch Character to be written. |
| * @return Returns the character written. |
| */ |
| int DbgConsole_Putchar(int ch); |
| |
| /*! |
| * @brief Reads formatted data from the standard input stream. |
| * |
| * Call this function to read formatted data from the standard input stream. |
| * |
| * @param fmt_ptr Format control string. |
| * @return Returns the number of fields successfully converted and assigned. |
| */ |
| int DbgConsole_Scanf(char *fmt_ptr, ...); |
| |
| /*! |
| * @brief Reads a character from standard input. |
| * |
| * Call this function to read a character from standard input. |
| * |
| * @return Returns the character read. |
| */ |
| int DbgConsole_Getchar(void); |
| |
| #endif /* SDK_DEBUGCONSOLE */ |
| |
| /*! @} */ |
| |
| #if defined(__cplusplus) |
| } |
| #endif /* __cplusplus */ |
| |
| /*! @} */ |
| |
| #endif /* _FSL_DEBUGCONSOLE_H_ */ |