341 lines
8.0 KiB
C
Executable File
341 lines
8.0 KiB
C
Executable File
/*
|
|
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 "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) {
|
|
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, 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(GPIOC, GPIOC_LED);
|
|
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.
|
|
* - 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, 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)));
|
|
}
|
|
}
|