tests/test_common/test_common.hpp


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/* Copyright 2017 Fred Sundvik
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "gtest/gtest.h"
#include "gmock/gmock.h"

#include "quantum.h"
#include "test_driver.hpp"
#include "test_matrix.h"
#include "keyboard_report_util.hpp"
#include "test_fixture.hpp"
/*
    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/

#include <stdio.h>
#include <string.h>

#include "ch.h"
#include "hal.h"
#include "ch_test.h"

#include "chprintf.h"
#include "shell.h"

#include "ff.h"

#include "usbcfg.h"

/*===========================================================================*/
/* Card insertion monitor.                                                   */
/*===========================================================================*/

#define POLLING_INTERVAL                10
#define POLLING_DELAY                   10

/**
 * @brief   Card monitor timer.
 */
static virtual_timer_t tmr;

/**
 * @brief   Debounce counter.
 */
static unsigned cnt;

/**
 * @brief   Card event sources.
 */
static event_source_t inserted_event, removed_event;

/**
 * @brief   Insertion monitor timer callback function.
 *
 * @param[in] p         pointer to the @p BaseBlockDevice object
 *
 * @notapi
 */
static void tmrfunc(void *p) {
  BaseBlockDevice *bbdp = p;

  chSysLockFromISR();
  if (cnt > 0) {
    if (blkIsInserted(bbdp)) {
      if (--cnt == 0) {
        chEvtBroadcastI(&inserted_event);
      }
    }
    else
      cnt = POLLING_INTERVAL;
  }
  else {
    if (!blkIsInserted(bbdp)) {
      cnt = POLLING_INTERVAL;
      chEvtBroadcastI(&removed_event);
    }
  }
  chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, bbdp);
  chSysUnlockFromISR();
}

/**
 * @brief   Polling monitor start.
 *
 * @param[in] p         pointer to an object implementing @p BaseBlockDevice
 *
 * @notapi
 */
static void tmr_init(void *p) {

  chEvtObjectInit(&inserted_event);
  chEvtObjectInit(&removed_event);
  chSysLock();
  cnt = POLLING_INTERVAL;
  chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, p);
  chSysUnlock();
}

/*===========================================================================*/
/* FatFs related.                                                            */
/*===========================================================================*/

/**
 * @brief FS object.
 */
static FATFS SDC_FS;

/* FS mounted and ready.*/
static bool fs_ready = FALSE;

/* Generic large buffer.*/
static uint8_t fbuff[1024];

static FRESULT scan_files(BaseSequentialStream *chp, char *path) {
  static FILINFO fno;
  FRESULT res;
  DIR dir;
  size_t i;
  char *fn;

  res = f_opendir(&dir, path);
  if (res == FR_OK) {
    i = strlen(path);
    while (((res = f_readdir(&dir, &fno)) == FR_OK) && fno.fname[0]) {
      if (_FS_RPATH && fno.fname[0] == '.')
        continue;
      fn = fno.fname;
      if (fno.fattrib & AM_DIR) {
        *(path + i) = '/';
        strcpy(path + i + 1, fn);
        res = scan_files(chp, path);
        *(path + i) = '\0';
        if (res != FR_OK)
          break;
      }
      else {
        chprintf(chp, "%s/%s\r\n", path, fn);
      }
    }
  }
  return res;
}

/*===========================================================================*/
/* Command line related.                                                     */
/*===========================================================================*/

#define SHELL_WA_SIZE   THD_WORKING_AREA_SIZE(2048)

static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
  FRESULT err;
  uint32_t fre_clust, fre_sect, tot_sect;
  FATFS *fsp;

  (void)argv;
  if (argc > 0) {
    chprintf(chp, "Usage: tree\r\n");
    return;
  }
  if (!fs_ready) {
    chprintf(chp, "File System not mounted\r\n");
    return;
  }
  err = f_getfree("/", &fre_clust, &fsp);
  if (err != FR_OK) {
    chprintf(chp, "FS: f_getfree() failed\r\n");
    return;
  }
  chprintf(chp,
           "FS: %lu free clusters with %lu sectors (%lu bytes) per cluster\r\n",
           fre_clust, (uint32_t)fsp->csize, (uint32_t)fsp->csize * 512);
  chprintf(chp,
           "    %lu bytes (%lu MB) free of %lu MB\r\n",
           fre_sect * 512,
           fre_sect / 2 / 1024,
           tot_sect / 2 / 1024);
  fbuff[0] = 0;
  scan_files(chp, (char *)fbuff);
}

static const ShellCommand commands[] = {
  {"tree", cmd_tree},
  {NULL, NULL}
};

static const ShellConfig shell_cfg1 = {
  (BaseSequentialStream *)&SDU1,
  commands
};

/*===========================================================================*/
/* Main and generic code.                                                    */
/*===========================================================================*/

static thread_t *shelltp = NULL;

/*
 * Card insertion event.
 */
static void InsertHandler(eventid_t id) {
  FRESULT err;

  (void)id;
  /*
   * On insertion SDC initialization and FS mount.
   */
  if (sdcConnect(&SDCD1))
    return;

  err = f_mount(&SDC_FS, "/", 1);
  if (err != FR_OK) {
    sdcDisconnect(&SDCD1);
    return;
  }
  fs_ready = TRUE;
}

/*
 * Card removal event.
 */
static void RemoveHandler(eventid_t id) {

  (void)id;
  sdcDisconnect(&SDCD1);
  fs_ready = FALSE;
}

/*
 * Shell exit event.
 */
static void ShellHandler(eventid_t id) {

  (void)id;
  if (chThdTerminatedX(shelltp)) {
    chThdWait(shelltp);                 /* Returning memory to heap.        */
    shelltp = NULL;
  }
}

/*
 * Green LED blinker thread, times are in milliseconds.
 */
static THD_WORKING_AREA(waThread1, 128);
static THD_FUNCTION(Thread1, arg) {

  (void)arg;
  chRegSetThreadName("blinker");
  while (true) {
    palTogglePad(GPIOF, GPIOF_LED1);
    chThdSleepMilliseconds(fs_ready ? 125 : 500);
  }
}

/*
 * Application entry point.
 */
int main(void) {
  static const evhandler_t evhndl[] = {
    InsertHandler,
    RemoveHandler,
    ShellHandler
  };
  event_listener_t el0, el1, el2;

  /*
   * System initializations.
   * - HAL initialization, this also initializes the configured device drivers
   *   and performs the board-specific initializations.
   * - Kernel initialization, the main() function becomes a thread and the
   *   RTOS is active.
   */
  halInit();
  chSysInit();

  /*
   * Initializes a serial-over-USB CDC driver.
   */
  sduObjectInit(&SDU1);
  sduStart(&SDU1, &serusbcfg);

  /*
   * Activates the USB driver and then the USB bus pull-up on D+.
   * Note, a delay is inserted in order to not have to disconnect the cable
   * after a reset.
   */
  usbDisconnectBus(serusbcfg.usbp);
  chThdSleepMilliseconds(1500);
  usbStart(serusbcfg.usbp, &usbcfg);
  usbConnectBus(serusbcfg.usbp);

  /*
   * Shell manager initialization.
   */
  shellInit();

  /*
   * Activates SDC driver 1 using default configuration.
   */
  sdcStart(&SDCD1, NULL);

  /*
   * Activates the card insertion monitor.
   */
  tmr_init(&SDCD1);

  /*
   * Creates the blinker thread.
   */
  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);

  /*
   * Normal main() thread activity, handling SD card events and shell
   * start/exit.
   */
  chEvtRegister(&inserted_event, &el0, 0);
  chEvtRegister(&removed_event, &el1, 1);
  chEvtRegister(&shell_terminated, &el2, 2);
  while (true) {
    if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE)) {
      shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
                                    "shell", NORMALPRIO + 1,
                                    shellThread, (void *)&shell_cfg1);
    }
    chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
  }
}