adi_sense_log.cpp

00001 /*!
00002  ******************************************************************************
00003  * @file:   adi_sense_log.c
00004  * @brief:  ADI Sense OS-dependent wrapper layer for log functions
00005  *-----------------------------------------------------------------------------
00006  */
00007 
00008 /******************************************************************************
00009 Copyright 2017 (c) Analog Devices, Inc.
00010 
00011 All rights reserved.
00012 
00013 Redistribution and use in source and binary forms, with or without
00014 modification, are permitted provided that the following conditions are met:
00015   - Redistributions of source code must retain the above copyright
00016     notice, this list of conditions and the following disclaimer.
00017   - Redistributions in binary form must reproduce the above copyright
00018     notice, this list of conditions and the following disclaimer in
00019     the documentation and/or other materials provided with the
00020     distribution.
00021   - Neither the name of Analog Devices, Inc. nor the names of its
00022     contributors may be used to endorse or promote products derived
00023     from this software without specific prior written permission.
00024   - The use of this software may or may not infringe the patent rights
00025     of one or more patent holders. This license does not release you
00026     from the requirement that you obtain separate licenses from these
00027     patent holders to use this software.
00028   - Use of the software either in source or binary form, must be run
00029     on or directly connected to an Analog Devices Inc. component.
00030 
00031 THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
00032 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
00033 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
00034 IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
00035 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00036 LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
00037 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00038 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00039 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00040 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00041  *
00042  *****************************************************************************/
00043 
00044 #include <mbed.h>
00045 #include "inc/adi_sense_log.h"
00046 
00047 #define ADI_SENSE_LOG_UART_BAUDRATE (115200)
00048 
00049 #ifdef TARGET_STM32F411xE
00050 #define ADI_SENSE_LOG_UART_TX_PIN   (PA_11)
00051 #define ADI_SENSE_LOG_UART_RX_PIN   (PA_12)
00052 #else
00053 #error "unsupported target platform"
00054 #endif
00055 
00056 static Serial *gpUartDevice;
00057 
00058 #ifdef __cplusplus
00059 extern "C" {
00060 #endif
00061 
00062 /*
00063  * Open the Log interface and allocate resources
00064  */
00065 ADI_SENSE_RESULT  adi_sense_LogOpen(void)
00066 {
00067     gpUartDevice = new Serial(ADI_SENSE_LOG_UART_TX_PIN,
00068                               ADI_SENSE_LOG_UART_RX_PIN,
00069                               ADI_SENSE_LOG_UART_BAUDRATE);
00070     if (!gpUartDevice)
00071     {
00072         ADI_SENSE_LOG_ERROR("Failed to allocate memory for Log UART context");
00073         return ADI_SENSE_NO_MEM ;
00074     }
00075 
00076     return ADI_SENSE_SUCCESS ;
00077 }
00078 
00079 /*
00080  * Close the Log interface and free resources
00081  */
00082 void adi_sense_LogClose(void)
00083 {
00084     if (gpUartDevice)
00085     {
00086         delete gpUartDevice;
00087         gpUartDevice = 0;
00088     }
00089 }
00090 
00091 /*
00092  * Print a log message to the platform log interface
00093  */
00094 void adi_sense_Log(ADI_SENSE_LOG_LEVEL  level, const char* format, ...)
00095 {
00096     char buffer[256];
00097     va_list va_args;
00098 
00099     if (!gpUartDevice)
00100         return;
00101 
00102     va_start(va_args, format);
00103     vsnprintf(buffer, sizeof(buffer), format, va_args);
00104     va_end(va_args);
00105 
00106     gpUartDevice->printf("%s\r\n", buffer);
00107 }
00108 
00109 #ifdef __cplusplus
00110 }
00111 #endif
00112