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amiro-os / core / src / aos_system.c @ 3e8094a0

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/*
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AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2020  Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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 * @file    aos_system.c
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 * @brief   System code.
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 * @details Contains system initialization and shutdown routines
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 *          and system shell commands.
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 *
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 * @addtogroup aos_system
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 * @{
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 */
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#include <amiroos.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdlib.h>
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#if (AMIROOS_CFG_TESTS_ENABLE == true)
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#include <ch_test.h>
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#include <rt_test_root.h>
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#endif /* (AMIROOS_CFG_TESTS_ENABLE == true) */
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/******************************************************************************/
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/* LOCAL DEFINITIONS                                                          */
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/******************************************************************************/
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/**
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 * @brief   Period of the system timer.
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 */
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#define SYSTIMER_PERIOD               (TIME_MAX_SYSTIME - CH_CFG_ST_TIMEDELTA)
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/**
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 * @brief   Width of the printable system info text.
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 */
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#define SYSTEM_INFO_WIDTH             80
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/**
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 * @brief   Width of the name column of the system info table.
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 */
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#define SYSTEM_INFO_NAMEWIDTH         20
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#if (AMIROOS_CFG_SHELL_ENABLE == true) || defined(__DOXYGEN__)
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/**
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 * @brief   Number of entries in the system shell input buffer.
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 */
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#define SYSTEM_SHELL_BUFFERENTRIES    (1 + AMIROOS_CFG_SHELL_HISTLENGTH)
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#endif /* (AMIROOS_CFG_SHELL_ENABLE == true) */
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/******************************************************************************/
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/* EXPORTED VARIABLES                                                         */
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/******************************************************************************/
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/**
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 * @brief   Global system object.
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 */
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aos_system_t aos;
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/******************************************************************************/
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/* LOCAL TYPES                                                                */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL VARIABLES                                                            */
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/******************************************************************************/
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/*
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 * forward declarations
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 */
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#if (AMIROOS_CFG_SHELL_ENABLE == true) || defined(__DOXYGEN__)
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static int _shellcmd_configcb(BaseSequentialStream* stream, int argc, char* argv[]);
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static int _shellcmd_infocb(BaseSequentialStream* stream, int argc, char* argv[]);
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static int _shellcmd_shutdowncb(BaseSequentialStream* stream, int argc, char* argv[]);
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#if ((CH_CFG_USE_REGISTRY == TRUE) && (CH_DBG_STATISTICS == TRUE)) || defined(__DOXYGEN__)
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static int _shellcmd_cpuloadcb(BaseSequentialStream* stream, int argc, char* argv[]);
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#endif /* (CH_CFG_USE_REGISTRY == TRUE) && (CH_DBG_STATISTICS == TRUE) */
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#if (AMIROOS_CFG_TESTS_ENABLE == true) || defined(__DOXYGEN__)
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static int _shellcmd_kerneltestcb(BaseSequentialStream* stream, int argc, char* argv[]);
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#endif /* (AMIROOS_CFG_TESTS_ENABLE == true) */
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#endif /* (AMIROOS_CFG_SHELL_ENABLE == true) */
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/**
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 * @brief   Timer to accumulate system uptime.
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 */
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static virtual_timer_t _systimer;
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/**
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 * @brief   Accumulated system uptime.
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 */
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static aos_timestamp_t _uptime;
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/**
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 * @brief   Timer register value of last accumulation.
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 */
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static systime_t _synctime;
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#if (AMIROOS_CFG_SHELL_ENABLE == true) || defined(__DOXYGEN__)
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/**
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 * @brief   System shell name.
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 */
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static const char _shell_name[] = "system shell";
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/**
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 * @brief   Shell thread working area.
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 */
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static THD_WORKING_AREA(_shell_wa, AMIROOS_CFG_SHELL_STACKSIZE);
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/**
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 * @brief   Shell input buffer.
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 */
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static char _shell_buffer[SYSTEM_SHELL_BUFFERENTRIES * AMIROOS_CFG_SHELL_LINEWIDTH];
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/**
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 * @brief   Shell command to retrieve system information.
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 */
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static AOS_SHELL_COMMAND(_shellcmd_info, "module:info", _shellcmd_infocb);
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/**
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 * @brief   Shell command to set or retrieve system configuration.
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 */
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static AOS_SHELL_COMMAND(_shellcmd_config, "module:config", _shellcmd_configcb);
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/**
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 * @brief   Shell command to shutdown the system.
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 */
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#if (AMIROOS_CFG_SSSP_ENABLE == true) || defined(__DOXYGEN__)
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static AOS_SHELL_COMMAND(_shellcmd_shutdown, "system:shutdown", _shellcmd_shutdowncb);
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#else /* (AMIROOS_CFG_SSSP_ENABLE == true) */
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static AOS_SHELL_COMMAND(_shellcmd_shutdown, "module:shutdown", _shellcmd_shutdowncb);
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#endif /* (AMIROOS_CFG_SSSP_ENABLE == true) */
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#if ((CH_CFG_USE_REGISTRY == TRUE) && (CH_DBG_STATISTICS == TRUE)) || defined(__DOXYGEN__)
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/**
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 * @brief   Shell command to read out CPU load.
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 */
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static AOS_SHELL_COMMAND(_shellcmd_cpuload, "module:cpuload", _shellcmd_cpuloadcb);
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#endif /* (CH_CFG_USE_REGISTRY == TRUE) && (CH_DBG_STATISTICS == TRUE) */
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#if (AMIROOS_CFG_TESTS_ENABLE == true) || defined(__DOXYGEN__)
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/**
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 * @brief   Shell command to run a test of the ChibiOS/RT kernel.
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 */
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static AOS_SHELL_COMMAND(_shellcmd_kerneltest, "kernel:test", _shellcmd_kerneltestcb);
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#endif /* (AMIROOS_CFG_TESTS_ENABLE == true) */
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#endif /* (AMIROOS_CFG_SHELL_ENABLE == true) */
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/******************************************************************************/
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/* LOCAL FUNCTIONS                                                            */
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/******************************************************************************/
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/**
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 * @brief   Print a separator line.
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 *
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 * @param[in] stream    Stream to print to or NULL to print to all system streams.
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 * @param[in] c         Character to use.
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 * @param[in] n         Length of the separator line.
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 *
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 * @return  Number of characters printed.
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 */
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static unsigned int _printSystemInfoSeparator(BaseSequentialStream* stream, const char c, const unsigned int n)
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{
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  aosDbgCheck(stream != NULL);
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  // print the specified character n times
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  for (unsigned int i = 0; i < n; ++i) {
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    streamPut(stream, (uint8_t)c);
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  }
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  streamPut(stream, '\n');
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  return n+1;
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}
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/**
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 * @brief   Print a system information line.
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 * @details Prints a system information line with the following format:
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 *            "<name>[spaces]fmt"
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 *          The combined width of "<name>[spaces]" can be specified in order to align <fmt> on multiple lines.
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 *          Note that there is not trailing newline added implicitely.
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 *
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 * @param[in] stream      Stream to print to or NULL to print to all system streams.
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 * @param[in] name        Name of the entry/line.
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 * @param[in] namewidth   Minimum width of the name column.
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 * @param[in] fmt         Formatted string of information content.
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 *
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 * @return  Number of characters printed.
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 */
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static unsigned int _printSystemInfoLine(BaseSequentialStream* stream, const char* name, const unsigned int namewidth, const char* fmt, ...)
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{
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  aosDbgCheck(stream != NULL);
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  aosDbgCheck(name != NULL);
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  unsigned int n = 0;
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  va_list ap;
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  va_start(ap, fmt);
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  n += (unsigned int)chprintf(stream, name);
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  // print at least a single space character
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  do {
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    streamPut(stream, ' ');
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    ++n;
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  } while (n < namewidth);
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  n += (unsigned int)chvprintf(stream, fmt, ap);
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  va_end(ap);
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  streamPut(stream, '\n');
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  ++n;
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  return n;
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}
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/**
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 * @brief   Prints information about the system.
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 *
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 * @param[in] stream    Stream to print to.
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 */
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static void _printSystemInfo(BaseSequentialStream* stream)
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{
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  aosDbgCheck(stream != NULL);
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  // local variables
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#if (HAL_USE_RTC == TRUE)
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  struct tm dt;
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  aosSysGetDateTime(&dt);
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#endif /* (HAL_USE_RTC == TRUE) */
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  // print static information about module and operating system
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  _printSystemInfoSeparator(stream, '=', SYSTEM_INFO_WIDTH);
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  _printSystemInfoLine(stream, "Module", SYSTEM_INFO_NAMEWIDTH, "%s", BOARD_NAME);
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#if defined(PLATFORM_NAME)
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  _printSystemInfoLine(stream, "Platform", SYSTEM_INFO_NAMEWIDTH, "%s", PLATFORM_NAME);
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#endif /* defined(PLATFORM_NAME) */
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#if defined(PORT_CORE_VARIANT_NAME)
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  _printSystemInfoLine(stream, "Core Variant", SYSTEM_INFO_NAMEWIDTH, "%s", PORT_CORE_VARIANT_NAME);
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#endif /* defined(PORT_CORE_VARIANT_NAME) */
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  _printSystemInfoLine(stream, "Architecture", SYSTEM_INFO_NAMEWIDTH, "%s", PORT_ARCHITECTURE_NAME);
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  _printSystemInfoLine(stream, "Core Frequency", SYSTEM_INFO_NAMEWIDTH, "%u MHz", SystemCoreClock / 1000000);
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  _printSystemInfoSeparator(stream, '-', SYSTEM_INFO_WIDTH);
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#if (AMIROOS_CFG_SSSP_ENABLE == true)
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  _printSystemInfoLine(stream, "AMiRo-OS" , SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s (SSSP %u.%u)", AMIROOS_VERSION_MAJOR, AMIROOS_VERSION_MINOR, AMIROOS_VERSION_PATCH, AMIROOS_RELEASE_TYPE, AOS_SSSP_VERSION_MAJOR, AOS_SSSP_VERSION_MINOR);
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#else /* (AMIROOS_CFG_SSSP_ENABLE == true) */
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  _printSystemInfoLine(stream, "AMiRo-OS" , SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s", AMIROOS_VERSION_MAJOR, AMIROOS_VERSION_MINOR, AMIROOS_VERSION_PATCH, AMIROOS_RELEASE_TYPE);
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#endif /* (AMIROOS_CFG_SSSP_ENABLE == true) */
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  _printSystemInfoLine(stream, "AMiRo-LLD" , SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s (periphAL %u.%u)", AMIROLLD_VERSION_MAJOR, AMIROLLD_VERSION_MINOR, AMIROLLD_VERSION_PATCH, AMIROLLD_RELEASE_TYPE, PERIPHAL_VERSION_MAJOR, PERIPHAL_VERSION_MINOR);
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  _printSystemInfoLine(stream, "ChibiOS/RT" , SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s", CH_KERNEL_MAJOR, CH_KERNEL_MINOR, CH_KERNEL_PATCH, (CH_KERNEL_STABLE == 1) ? "stable" : "non-stable");
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  _printSystemInfoLine(stream, "ChibiOS/HAL", SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s", CH_HAL_MAJOR, CH_HAL_MINOR, CH_HAL_PATCH, (CH_HAL_STABLE == 1) ? "stable" : "non-stable");
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  _printSystemInfoLine(stream, "build type", SYSTEM_INFO_NAMEWIDTH,"%s", (AMIROOS_CFG_DBG == true) ? "debug" : "release");
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  _printSystemInfoLine(stream, "Compiler" , SYSTEM_INFO_NAMEWIDTH, "%s %u.%u.%u", "GCC", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__); // TODO: support other compilers than GCC
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  _printSystemInfoLine(stream, "Compiled" , SYSTEM_INFO_NAMEWIDTH, "%s - %s", __DATE__, __TIME__);
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  // print static information about the bootloader
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#if (AMIROOS_CFG_BOOTLOADER != AOS_BOOTLOADER_NONE)
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  _printSystemInfoSeparator(stream, '-', SYSTEM_INFO_WIDTH);
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#endif /* (AMIROOS_CFG_BOOTLOADER != AOS_BOOTLOADER_NONE) */
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#if (AMIROOS_CFG_BOOTLOADER == AOS_BOOTLOADER_AMiRoBLT)
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  if (BL_CALLBACK_TABLE_ADDRESS->magicNumber == BL_MAGIC_NUMBER) {
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    _printSystemInfoLine(stream, "AMiRo-BLT", SYSTEM_INFO_NAMEWIDTH, "%u.%u.%u %s (SSSP %u.%u)", BL_CALLBACK_TABLE_ADDRESS->vBootloader.major, BL_CALLBACK_TABLE_ADDRESS->vBootloader.minor, BL_CALLBACK_TABLE_ADDRESS->vBootloader.patch,
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                         (BL_CALLBACK_TABLE_ADDRESS->vBootloader.identifier == BL_VERSION_ID_AMiRoBLT_Release) ? "stable" :
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                         (BL_CALLBACK_TABLE_ADDRESS->vBootloader.identifier == BL_VERSION_ID_AMiRoBLT_ReleaseCandidate) ? "release candidate" :
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                         (BL_CALLBACK_TABLE_ADDRESS->vBootloader.identifier == BL_VERSION_ID_AMiRoBLT_Beta) ? "beta" :
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                         (BL_CALLBACK_TABLE_ADDRESS->vBootloader.identifier == BL_VERSION_ID_AMiRoBLT_Alpha) ? "alpha" :
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                         (BL_CALLBACK_TABLE_ADDRESS->vBootloader.identifier == BL_VERSION_ID_AMiRoBLT_PreAlpha) ? "pre-alpha" :
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                         "<release type unknown>",
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                         BL_CALLBACK_TABLE_ADDRESS->vSSSP.major, BL_CALLBACK_TABLE_ADDRESS->vSSSP.minor);
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#if (AMIROOS_CFG_SSSP_ENABLE == true)
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    if (BL_CALLBACK_TABLE_ADDRESS->vSSSP.major != AOS_SSSP_VERSION_MAJOR) {
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      const char* msg = "WARNING: AMiRo-BLT and AMiRo-OS implement incompatible SSSP versions!\n";
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      stream ? chprintf(stream, msg) : aosprintf(msg);
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    }
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#endif /* (AMIROOS_CFG_SSSP_ENABLE == true) */
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    _printSystemInfoLine(stream, "Compiler", SYSTEM_INFO_NAMEWIDTH, "%s %u.%u.%u", (BL_CALLBACK_TABLE_ADDRESS->vCompiler.identifier == BL_VERSION_ID_GCC) ? "GCC" : "<compiler unknown>", BL_CALLBACK_TABLE_ADDRESS->vCompiler.major, BL_CALLBACK_TABLE_ADDRESS->vCompiler.minor, BL_CALLBACK_TABLE_ADDRESS->vCompiler.patch); // TODO: support other compilers than GCC
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  } else {
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    const char* msg = "WARNING: AMiRo-BLT incompatible or not available.\n";
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    stream ? chprintf(stream, "%s", msg) : aosprintf("%s", msg);
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  }
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#endif /* (AMIROOS_CFG_BOOTLOADER == X) */
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#if defined(AMIROOS_CFG_SYSINFO_HOOK)
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  // print module specific information
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  _printSystemInfoSeparator(stream, '-', SYSTEM_INFO_WIDTH);
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  AMIROOS_CFG_SYSINFO_HOOK();
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#endif /* defined(AMIROOS_CFG_SYSINFO_HOOK) */
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  // print dynamic information about the module
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  _printSystemInfoSeparator(stream, '-', SYSTEM_INFO_WIDTH);
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#if (AMIROOS_CFG_SSSP_ENABLE == true)
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  if (aos.sssp.moduleId != 0) {