1 files changed, 386 insertions, 0 deletions
diff --git a/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c b/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
new file mode 100644
index 0000000..8779f50
--- /dev/null
+++ b/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-OLIMEX_E407-LWIP-FATFS-USB/main.c
@@ -0,0 +1,386 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 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 "test.h"
+
+#include "chprintf.h"
+#include "shell.h"
+
+#include "lwipthread.h"
+#include "web/web.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) {
+  FRESULT res;
+  FILINFO fno;
+  DIR dir;
+  int i;
+  char *fn;
+
+#if _USE_LFN
+  fno.lfname = 0;
+  fno.lfsize = 0;
+#endif
+  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) {
+        path[i++] = '/';
+        strcpy(&path[i], fn);
+        res = scan_files(chp, path);
+        if (res != FR_OK)
+          break;
+        path[--i] = 0;
+      }
+      else {
+        chprintf(chp, "%s/%s\r\n", path, fn);
+      }
+    }
+  }
+  return res;
+}
+
+/*===========================================================================*/
+/* Command line related.                                                     */
+/*===========================================================================*/
+
+#define SHELL_WA_SIZE   THD_WORKING_AREA_SIZE(2048)
+#define TEST_WA_SIZE    THD_WORKING_AREA_SIZE(256)
+
+static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) {
+  size_t n, size;
+
+  (void)argv;
+  if (argc > 0) {
+    chprintf(chp, "Usage: mem\r\n");
+    return;
+  }
+  n = chHeapStatus(NULL, &size);
+  chprintf(chp, "core free memory : %u bytes\r\n", chCoreGetStatusX());
+  chprintf(chp, "heap fragments   : %u\r\n", n);
+  chprintf(chp, "heap free total  : %u bytes\r\n", size);
+}
+
+static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
+  static const char *states[] = {CH_STATE_NAMES};
+  thread_t *tp;
+
+  (void)argv;
+  if (argc > 0) {
+    chprintf(chp, "Usage: threads\r\n");
+    return;
+  }
+  chprintf(chp, "    addr    stack prio refs     state time\r\n");
+  tp = chRegFirstThread();
+  do {
+    chprintf(chp, "%08lx %08lx %4lu %4lu %9s\r\n",
+            (uint32_t)tp, (uint32_t)tp->p_ctx.r13,
+            (uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
+            states[tp->p_state]);
+    tp = chRegNextThread(tp);
+  } while (tp != NULL);
+}
+
+static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
+  thread_t *tp;
+
+  (void)argv;
+  if (argc > 0) {
+    chprintf(chp, "Usage: test\r\n");
+    return;
+  }
+  tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriorityX(),
+                           TestThread, chp);
+  if (tp == NULL) {
+    chprintf(chp, "out of memory\r\n");
+    return;
+  }
+  chThdWait(tp);
+}
+
+static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
+  FRESULT err;
+  uint32_t clusters;
+  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("/", &clusters, &fsp);
+  if (err != FR_OK) {
+    chprintf(chp, "FS: f_getfree() failed\r\n");
+    return;
+  }
+  chprintf(chp,
+           "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free\r\n",
+           clusters, (uint32_t)SDC_FS.csize,
+           clusters * (uint32_t)SDC_FS.csize * (uint32_t)MMCSD_BLOCK_SIZE);
+  fbuff[0] = 0;
+  scan_files(chp, (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 = {
+  (BaseSequentialStream *)&SDU1,
+  commands
+};
+
+/*===========================================================================*/
+/* Main and generic code.                                                    */
+/*===========================================================================*/
+
+/*
+ * 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;
+}
+
+/*
+ * 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(GPIOC, GPIOC_LED);
+    chThdSleepMilliseconds(fs_ready ? 125 : 500);
+  }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+  static thread_t *shelltp = NULL;
+  static const evhandler_t evhndl[] = {
+    InsertHandler,
+    RemoveHandler
+  };
+  event_listener_t 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.
+   * - lwIP subsystem initialization using the default configuration.
+   */
+  halInit();
+  chSysInit();
+  lwipInit(NULL);
+
+  /*
+   * 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 the serial driver 6 and SDC driver 1 using default
+   * configuration.
+   */
+  sdStart(&SD6, NULL);
+  sdcStart(&SDCD1, NULL);
+
+  /*
+   * Activates the card insertion monitor.
+   */
+  tmr_init(&SDCD1);
+
+  /*
+   * Creates the blinker thread.
+   */
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /*
+   * Creates the HTTP thread (it changes priority internally).
+   */
+  chThdCreateStatic(wa_http_server, sizeof(wa_http_server), NORMALPRIO + 1,
+                    http_server, NULL);
+
+  /*
+   * Normal main() thread activity, in this demo it does nothing except
+   * sleeping in a loop and listen for events.
+   */
+  chEvtRegister(&inserted_event, &el0, 0);
+  chEvtRegister(&removed_event, &el1, 1);
+  while (true) {
+    if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE))
+      shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
+    else if (chThdTerminatedX(shelltp)) {
+      chThdRelease(shelltp);    /* Recovers memory of the previous shell.   */
+      shelltp = NULL;           /* Triggers spawning of a new shell.        */
+    }
+    if (palReadPad(GPIOA, GPIOA_BUTTON_WKUP) != 0) {
+    }
+    chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
+  }
+}