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-rw-r--r--demos/STM32/RT-STM32-LWIP-FATFS-USB-HTTPS/main.c348
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diff --git a/demos/STM32/RT-STM32-LWIP-FATFS-USB-HTTPS/main.c b/demos/STM32/RT-STM32-LWIP-FATFS-USB-HTTPS/main.c
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index 000000000..e9d4051d0
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+++ b/demos/STM32/RT-STM32-LWIP-FATFS-USB-HTTPS/main.c
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+/*
+ 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 "rt_test_root.h"
+
+#include "chprintf.h"
+#include "shell.h"
+
+#include "lwipthread.h"
+#include "web/web.h"
+
+#include "ff.h"
+
+#include "portab.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, TIME_MS2I(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, TIME_MS2I(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 (FF_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;
+ 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);
+ fbuff[0] = 0;
+ scan_files(chp, (char *)fbuff);
+}
+
+static const ShellCommand commands[] = {
+ {"tree", cmd_tree},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&PORTAB_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)) {
+ chThdRelease(shelltp);
+ 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) {
+ palToggleLine(PORTAB_BLINK_LED1);
+ chThdSleepMilliseconds(fs_ready ? 250 : 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.
+ * - lwIP subsystem initialization using the default configuration.
+ */
+ halInit();
+ chSysInit();
+
+ /*
+ * Initialize RNG
+ */
+ rccEnableAHB2(RCC_AHB2ENR_RNGEN, 0);
+ RNG->CR |= RNG_CR_IE;
+ RNG->CR |= RNG_CR_RNGEN;
+
+ /* lwip */
+ lwipInit(NULL);
+
+ /*
+ * Target-dependent setup code.
+ */
+ portab_setup();
+
+ /*
+ * Initializes a serial-over-USB CDC driver.
+ */
+ sduObjectInit(&PORTAB_SDU1);
+ sduStart(&PORTAB_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 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);
+
+ /*
+ * Creates the HTTPS thread (it changes priority internally).
+ */
+ chThdCreateStatic(wa_https_server, sizeof(wa_https_server), NORMALPRIO + 1,
+ https_server, 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 && (PORTAB_SDU1.config->usbp->state == USB_ACTIVE)) {
+ shelltp = chThdCreateFromHeap(NULL, SHELL_WA_SIZE,
+ "shell", NORMALPRIO + 1,
+ shellThread, (void *)&shell_cfg1);
+ }
+ chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, TIME_MS2I(500)));
+ }
+}