--- /dev/null
+/*
+ * Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * 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 debugconsole
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @brief Definition to select sdk or toolchain printf, scanf. */
+#ifndef SDK_DEBUGCONSOLE
+#define SDK_DEBUGCONSOLE 1U
+#endif
+
+#if defined(SDK_DEBUGCONSOLE) && !(SDK_DEBUGCONSOLE)
+#include <stdio.h>
+#endif
+
+#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 Initializes 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, and base address at the specified baud rate.
+ * After this function has returned, stdout and stdin are connected to the selected peripheral.
+ *
+ * @param baseAddr Indicates the address of the peripheral 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, can be one of the following.
+ * @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 Indicates 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-initializes 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 Indicates whether de-initialization was successful or not.
+ */
+status_t DbgConsole_Deinit(void);
+
+/*!
+ * @brief Debug console flush log.
+ *
+ * Call this function to wait the buffer empty and io idle before.
+ * If interrupt transfer is using, make sure the global IRQ is enable before call this function
+ * This function should be called when
+ * 1, before enter power down mode
+ * 2, log is required to print to terminal immediately
+ * @return Indicates whether wait idle was successful or not.
+ */
+status_t DbgConsole_Flush(void);
+
+#if SDK_DEBUGCONSOLE
+/*!
+ * @brief Writes formatted output to the standard output stream.
+ *
+ * Call this function to write a 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(const 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_ */
projects / freertos / blobdiff