-- GHDL Run Time (GRT) - VHDL files subprograms. -- Copyright (C) 2002 - 2014 Tristan Gingold -- -- GHDL 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, or (at your option) any later -- version. -- -- GHDL 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 GCC; see the file COPYING. If not, write to the Free -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- 02111-1307, USA. -- -- As a special exception, if other files instantiate generics from this -- unit, or you link this unit with other files to produce an executable, -- this unit does not by itself cause the resulting executable to be -- covered by the GNU General Public License. This exception does not -- however invalidate any other reasons why the executable file might be -- covered by the GNU Public License. with Grt.Types; use Grt.Types; with Interfaces; package Grt.Files is type Ghdl_File_Index is new Interfaces.Integer_32; -- File open mode. Read_Mode : constant Ghdl_I32 := 0; Write_Mode : constant Ghdl_I32 := 1; Append_Mode : constant Ghdl_I32 := 2; -- file_open_status. Open_Ok : constant Ghdl_I32 := 0; Status_Error : constant Ghdl_I32 := 1; Name_Error : constant Ghdl_I32 := 2; Mode_Error : constant Ghdl_I32 := 3; -- General files. function Ghdl_File_Endfile (File : Ghdl_File_Index) return Boolean; -- Elaboration. function Ghdl_Text_File_Elaborate return Ghdl_File_Index; function Ghdl_File_Elaborate (Sig : Ghdl_C_String) return Ghdl_File_Index; -- Finalization. procedure Ghdl_Text_File_Finalize (File : Ghdl_File_Index); procedure Ghdl_File_Finalize (File : Ghdl_File_Index); -- Subprograms. procedure Ghdl_Text_File_Open (File : Ghdl_File_Index; Mode : Ghdl_I32; Str : Std_String_Ptr); function Ghdl_Text_File_Open_Status (File : Ghdl_File_Index; Mode : Ghdl_I32; Str : Std_String_Ptr) return Ghdl_I32; procedure Ghdl_File_Open (File : Ghdl_File_Index; Mode : Ghdl_I32; Str : Std_String_Ptr); function Ghdl_File_Open_Status (File : Ghdl_File_Index; Mode : Ghdl_I32; Str : Std_String_Ptr) return Ghdl_I32; procedure Ghdl_Text_Write (File : Ghdl_File_Index; Str : Std_String_Ptr); procedure Ghdl_Write_Scalar (File : Ghdl_File_Index; Ptr : Ghdl_Ptr; Length : Ghdl_Index_Type); procedure Ghdl_Read_Scalar (File : Ghdl_File_Index; Ptr : Ghdl_Ptr; Length : Ghdl_Index_Type); function Ghdl_Text_Read_Length (File : Ghdl_File_Index; Str : Std_String_Ptr) return Std_Integer; type Std_Integer_Acc is access Std_Integer; pragma Convention (C, Std_Integer_Acc); procedure Ghdl_Untruncated_Text_Read (File : Ghdl_File_Index; Str : Std_String_Ptr; Len : Std_Integer_Acc); procedure Ghdl_Text_File_Close (File : Ghdl_File_Index); procedure Ghdl_File_Close (File : Ghdl_File_Index); procedure Ghdl_File_Flush (File : Ghdl_File_Index); private pragma Export (Ada, Ghdl_File_Endfile, "__ghdl_file_endfile"); pragma Export (C, Ghdl_Text_File_Elaborate, "__ghdl_text_file_elaborate"); pragma Export (C, Ghdl_File_Elaborate, "__ghdl_file_elaborate"); pragma Export (C, Ghdl_Text_File_Finalize, "__ghdl_text_file_finalize"); pragma Export (C, Ghdl_File_Finalize, "__ghdl_file_finalize"); pragma Export (C, Ghdl_Text_File_Open, "__ghdl_text_file_open"); pragma Export (C, Ghdl_Text_File_Open_Status, "__ghdl_text_file_open_status"); pragma Export (C, Ghdl_File_Open, "__ghdl_file_open"); pragma Export (C, Ghdl_File_Open_Status, "__ghdl_file_open_status"); pragma Export (C, Ghdl_Text_Write, "__ghdl_text_write"); pragma Export (C, Ghdl_Write_Scalar, "__ghdl_write_scalar"); pragma Export (C, Ghdl_Read_Scalar, "__ghdl_read_scalar"); pragma Export (C, Ghdl_Text_Read_Length, "__ghdl_text_read_length"); pragma Export (C, Ghdl_Untruncated_Text_Read, "std__textio__untruncated_text_read"); pragma Export (C, Ghdl_Text_File_Close, "__ghdl_text_file_close"); pragma Export (C, Ghdl_File_Close, "__ghdl_file_close"); pragma Export (C, Ghdl_File_Flush, "__ghdl_file_flush"); end Grt.Files; id='n48' href='#n48'>48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 
/*
    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
                 2011 Giovanni Di Sirio.

    This file is part of ChibiOS/RT.

    ChibiOS/RT 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 3 of the License, or
    (at your option) any later version.

    ChibiOS/RT 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 <stdio.h>
#include <string.h>

#include "ch.h"
#include "hal.h"
#include "test.h"
#include "shell.h"
#include "evtimer.h"

#include "ff.h"

/*===========================================================================*/
/* MMC/SPI related.                                                          */
/*===========================================================================*/

/**
 * @brief FS object.
 */
FATFS MMC_FS;

/**
 * MMC driver instance.
 */
MMCDriver MMCD1;

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

/* Maximum speed SPI configuration (18MHz, CPHA=0, CPOL=0, MSb first).*/
static SPIConfig hs_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS, 0};

/* Low speed SPI configuration (281.250KHz, CPHA=0, CPOL=0, MSb first).*/
static SPIConfig ls_spicfg = {NULL, IOPORT2, GPIOB_SPI2NSS,
                              SPI_CR1_BR_2 | SPI_CR1_BR_1};

/* Card insertion verification.*/
static bool_t mmc_is_inserted(void) {return palReadPad(IOPORT3, GPIOC_MMCCP);}

/* Card protection verification.*/
static bool_t mmc_is_protected(void) {return !palReadPad(IOPORT3, GPIOC_MMCWP);}

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

static FRESULT scan_files(char *path)
{
  FRESULT res;
  FILINFO fno;
  DIR dir;
  int i;
  char *fn;

  res = f_opendir(&dir, path);
  if (res == FR_OK) {
    i = strlen(path);
    for (;;) {
      res = f_readdir(&dir, &fno);
      if (res != FR_OK || fno.fname[0] == 0)
        break;
      if (fno.fname[0] == '.')
        continue;
      fn = fno.fname;
      if (fno.fattrib & AM_DIR) {
        siprintf(&path[i], "/%s", fn);
        res = scan_files(path);
        if (res != FR_OK)
          break;
        path[i] = 0;
      }
      else {
        iprintf("%s/%s\r\n", path, fn);
      }
    }
  }
  return res;
}

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

#define SHELL_WA_SIZE   THD_WA_SIZE(2048)
#define TEST_WA_SIZE    THD_WA_SIZE(256)

static void cmd_mem(BaseChannel *chp, int argc, char *argv[]) {
  size_t n, size;
  char buf[52];

  (void)argv;
  if (argc > 0) {
    shellPrintLine(chp, "Usage: mem");
    return;
  }
  n = chHeapStatus(NULL, &size);
  siprintf(buf, "core free memory : %u bytes", chCoreStatus());
  shellPrintLine(chp, buf);
  siprintf(buf, "heap fragments   : %u", n);
  shellPrintLine(chp, buf);
  siprintf(buf, "heap free total  : %u bytes", size);
  shellPrintLine(chp, buf);
}

static void cmd_threads(BaseChannel *chp, int argc, char *argv[]) {
  static const char *states[] = {
    "READY",
    "CURRENT",
    "SUSPENDED",
    "WTSEM",
    "WTMTX",
    "WTCOND",
    "SLEEPING",
    "WTEXIT",
    "WTOREVT",
    "WTANDEVT",
    "SNDMSGQ",
    "SNDMSG",
    "WTMSG",
    "FINAL"
  };
  Thread *tp;
  char buf[60];

  (void)argv;
  if (argc > 0) {
    shellPrintLine(chp, "Usage: threads");
    return;
  }
  shellPrintLine(chp, "    addr    stack prio refs     state time");
  tp = chRegFirstThread();
  do {
    siprintf(buf, "%8lx %8lx %4u %4i %9s %u",
             (uint32_t)tp, (uint32_t)tp->p_ctx.r13,
             (unsigned int)tp->p_prio, tp->p_refs - 1,
             states[tp->p_state], (unsigned int)tp->p_time);
    shellPrintLine(chp, buf);
    tp = chRegNextThread(tp);
  } while (tp != NULL);
}

static void cmd_test(BaseChannel *chp, int argc, char *argv[]) {
  Thread *tp;

  (void)argv;
  if (argc > 0) {
    shellPrintLine(chp, "Usage: test");
    return;
  }
  tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(),
                           TestThread, chp);
  if (tp == NULL) {
    shellPrintLine(chp, "out of memory");
    return;
  }
  chThdWait(tp);
}

static void cmd_tree(BaseChannel *chp, int argc, char *argv[]) {
  FRESULT err;
  uint32_t clusters;
  FATFS *fsp;

  (void)argv;
  if (argc > 0) {
    shellPrintLine(chp, "Usage: tree");
    return;
  }
  if (!fs_ready) {
    shellPrintLine(chp, "File System not mounted");
    return;
  }
  err = f_getfree("/", &clusters, &fsp);
  if (err != FR_OK) {
    shellPrintLine(chp, "FS: f_getfree() failed");
    return;
  }
  siprintf((void *)fbuff,
           "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free",
           clusters, (uint32_t)MMC_FS.csize,
           clusters * (uint32_t)MMC_FS.csize * (uint32_t)MMC_SECTOR_SIZE);
  shellPrintLine(chp, (void *)fbuff);
  fbuff[0] = 0;
  scan_files((char *)fbuff);
}

static const ShellCommand commands[] = {
  {"mem", cmd_mem},
  {"threads", cmd_threads},
  {"test", cmd_test},
  {"tree", cmd_tree},
  {NULL, NULL}
};

static const ShellConfig shell_cfg1 = {
  (BaseChannel *)&SD2,
  commands
};

/*
 * Red LEDs blinker thread, times are in milliseconds.
 */
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {

  (void)arg;
  while (TRUE) {
    palTogglePad(IOPORT3, GPIOC_LED);
    if (fs_ready)
      chThdSleepMilliseconds(200);
    else
      chThdSleepMilliseconds(500);
  }
  return 0;
}

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

  (void)id;
  /*
   * On insertion MMC initialization and FS mount.
   */
  if (mmcConnect(&MMCD1)) {
    return;
  }
  err = f_mount(0, &MMC_FS);
  if (err != FR_OK) {
    mmcDisconnect(&MMCD1);
    return;
  }
  fs_ready = TRUE;
}

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

  (void)id;
  fs_ready = FALSE;
}

/*
 * Application entry point.
 */
int main(void) {
  static const evhandler_t evhndl[] = {
    InsertHandler,
    RemoveHandler
  };
  Thread *shelltp = NULL;
  struct EventListener el0, el1;

  /*
   * 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();

  /*
   * Activates the serial driver 2 using the driver default configuration.
   */
  sdStart(&SD2, NULL);

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

  /*
   * Initializes the MMC driver to work with SPI2.
   */
  palSetPadMode(IOPORT2, GPIOB_SPI2NSS, PAL_MODE_OUTPUT_PUSHPULL);
  palSetPad(IOPORT2, GPIOB_SPI2NSS);
  mmcObjectInit(&MMCD1, &SPID2,
                &ls_spicfg, &hs_spicfg,
                mmc_is_protected, mmc_is_inserted);
  mmcStart(&MMCD1, NULL);

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

  /*
   * Normal main() thread activity, in this demo it does nothing except
   * sleeping in a loop and listen for events.
   */
  chEvtRegister(&MMCD1.inserted_event, &el0, 0);
  chEvtRegister(&MMCD1.removed_event, &el1, 1);
  while (TRUE) {
    if (!shelltp)
      shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
    else if (chThdTerminated(shelltp)) {
      chThdRelease(shelltp);    /* Recovers memory of the previous shell.   */
      shelltp = NULL;           /* Triggers spawning of a new shell.        */
    }
    chEvtDispatch(evhndl, chEvtWaitOne(ALL_EVENTS));
  }
  return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-21 22:56:38 +0000