mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-24 15:57:37 +00:00
366 lines
9.0 KiB
C
Executable File
366 lines
9.0 KiB
C
Executable File
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "ch.h"
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#include "hal.h"
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#include "test.h"
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#include "shell.h"
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#include "evtimer.h"
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#include "chprintf.h"
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#include "ff.h"
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/*===========================================================================*/
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/* Card insertion monitor. */
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/*===========================================================================*/
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#define POLLING_INTERVAL 10
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#define POLLING_DELAY 10
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/**
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* @brief Card monitor timer.
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*/
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static VirtualTimer tmr;
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/**
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* @brief Debounce counter.
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*/
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static unsigned cnt;
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/**
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* @brief Card event sources.
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*/
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static EventSource inserted_event, removed_event;
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/**
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* @brief Insertion monitor timer callback function.
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*
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* @param[in] p pointer to the @p BaseBlockDevice object
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*
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* @notapi
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*/
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static void tmrfunc(void *p) {
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BaseBlockDevice *bbdp = p;
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chSysLockFromIsr();
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if (cnt > 0) {
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if (blkIsInserted(bbdp)) {
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if (--cnt == 0) {
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chEvtBroadcastI(&inserted_event);
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}
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}
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else
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cnt = POLLING_INTERVAL;
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}
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else {
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if (!blkIsInserted(bbdp)) {
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cnt = POLLING_INTERVAL;
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chEvtBroadcastI(&removed_event);
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}
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}
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chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, bbdp);
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chSysUnlockFromIsr();
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}
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/**
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* @brief Polling monitor start.
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*
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* @param[in] p pointer to an object implementing @p BaseBlockDevice
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*
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* @notapi
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*/
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static void tmr_init(void *p) {
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chEvtInit(&inserted_event);
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chEvtInit(&removed_event);
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chSysLock();
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cnt = POLLING_INTERVAL;
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chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, p);
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chSysUnlock();
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}
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/*===========================================================================*/
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/* FatFs related. */
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/*===========================================================================*/
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/**
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* @brief FS object.
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*/
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FATFS SDC_FS;
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/* FS mounted and ready.*/
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static bool_t fs_ready = FALSE;
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/* Generic large buffer.*/
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uint8_t fbuff[1024];
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static FRESULT scan_files(BaseSequentialStream *chp, char *path) {
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FRESULT res;
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FILINFO fno;
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DIR dir;
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int i;
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char *fn;
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#if _USE_LFN
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fno.lfname = 0;
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fno.lfsize = 0;
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#endif
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res = f_opendir(&dir, path);
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if (res == FR_OK) {
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i = strlen(path);
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for (;;) {
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res = f_readdir(&dir, &fno);
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if (res != FR_OK || fno.fname[0] == 0)
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break;
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if (fno.fname[0] == '.')
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continue;
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fn = fno.fname;
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if (fno.fattrib & AM_DIR) {
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path[i++] = '/';
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strcpy(&path[i], fn);
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res = scan_files(chp, path);
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if (res != FR_OK)
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break;
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path[--i] = 0;
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}
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else {
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chprintf(chp, "%s/%s\r\n", path, fn);
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}
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}
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}
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return res;
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}
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/*===========================================================================*/
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/* Command line related. */
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/*===========================================================================*/
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#define SHELL_WA_SIZE THD_WA_SIZE(2048)
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#define TEST_WA_SIZE THD_WA_SIZE(256)
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static void cmd_mem(BaseSequentialStream *chp, int argc, char *argv[]) {
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size_t n, size;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: mem\r\n");
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return;
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}
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n = chHeapStatus(NULL, &size);
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chprintf(chp, "core free memory : %u bytes\r\n", chCoreStatus());
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chprintf(chp, "heap fragments : %u\r\n", n);
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chprintf(chp, "heap free total : %u bytes\r\n", size);
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}
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static void cmd_threads(BaseSequentialStream *chp, int argc, char *argv[]) {
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static const char *states[] = {THD_STATE_NAMES};
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Thread *tp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: threads\r\n");
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return;
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}
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chprintf(chp, " addr stack prio refs state time\r\n");
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tp = chRegFirstThread();
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do {
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chprintf(chp, "%.8lx %.8lx %4lu %4lu %9s %lu\r\n",
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(uint32_t)tp, (uint32_t)tp->p_ctx.r13,
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(uint32_t)tp->p_prio, (uint32_t)(tp->p_refs - 1),
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states[tp->p_state], (uint32_t)tp->p_time);
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tp = chRegNextThread(tp);
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} while (tp != NULL);
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}
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static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
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Thread *tp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: test\r\n");
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return;
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}
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tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(),
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TestThread, chp);
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if (tp == NULL) {
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chprintf(chp, "out of memory\r\n");
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return;
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}
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chThdWait(tp);
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}
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static void cmd_tree(BaseSequentialStream *chp, int argc, char *argv[]) {
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FRESULT err;
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uint32_t clusters;
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FATFS *fsp;
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(void)argv;
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if (argc > 0) {
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chprintf(chp, "Usage: tree\r\n");
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return;
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}
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if (!fs_ready) {
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chprintf(chp, "File System not mounted\r\n");
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return;
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}
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err = f_getfree("/", &clusters, &fsp);
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if (err != FR_OK) {
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chprintf(chp, "FS: f_getfree() failed\r\n");
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return;
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}
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chprintf(chp,
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"FS: %lu free clusters, %lu sectors per cluster, %lu bytes free\r\n",
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clusters, (uint32_t)SDC_FS.csize,
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clusters * (uint32_t)SDC_FS.csize * (uint32_t)MMCSD_BLOCK_SIZE);
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fbuff[0] = 0;
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scan_files(chp, (char *)fbuff);
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}
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static const ShellCommand commands[] = {
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{"mem", cmd_mem},
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{"threads", cmd_threads},
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{"test", cmd_test},
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{"tree", cmd_tree},
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{NULL, NULL}
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};
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static const ShellConfig shell_cfg1 = {
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(BaseSequentialStream *)&SD1,
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commands
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};
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/*===========================================================================*/
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/* Main and generic code. */
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/*===========================================================================*/
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/*
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* SD card insertion event.
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*/
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static void InsertHandler(eventid_t id) {
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FRESULT err;
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(void)id;
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/*
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* On insertion SDC initialization and FS mount.
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*/
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if (sdcConnect(&SDCD1))
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return;
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err = f_mount(0, &SDC_FS);
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if (err != FR_OK) {
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sdcDisconnect(&SDCD1);
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return;
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}
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fs_ready = TRUE;
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}
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/*
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* SD card removal event.
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*/
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static void RemoveHandler(eventid_t id) {
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(void)id;
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sdcDisconnect(&SDCD1);
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fs_ready = FALSE;
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}
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/*
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* LEDs blinker thread, times are in milliseconds.
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*/
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static WORKING_AREA(waThread1, 128);
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static msg_t Thread1(void *arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (TRUE) {
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palClearPad(GPIOF, GPIOF_LED4);
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palSetPad(GPIOF, GPIOF_LED1);
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chThdSleepMilliseconds(250);
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palClearPad(GPIOF, GPIOF_LED1);
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palSetPad(GPIOF, GPIOF_LED2);
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chThdSleepMilliseconds(250);
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palClearPad(GPIOF, GPIOF_LED2);
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palSetPad(GPIOF, GPIOF_LED3);
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chThdSleepMilliseconds(250);
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palClearPad(GPIOF, GPIOF_LED3);
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palSetPad(GPIOF, GPIOF_LED4);
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chThdSleepMilliseconds(250);
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}
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}
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/*
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* Application entry point.
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*/
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int main(void) {
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static const evhandler_t evhndl[] = {
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InsertHandler,
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RemoveHandler
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};
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Thread *shelltp = NULL;
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struct EventListener el0, el1;
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Activates the serial driver 1 and SDC driver 1 using default
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* configuration.
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*/
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sdStart(&SD1, NULL);
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sdcStart(&SDCD1, NULL);
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/*
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* Shell manager initialization.
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*/
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shellInit();
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/*
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* Activates the card insertion monitor.
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*/
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tmr_init(&SDCD1);
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity, in this demo it does nothing except
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* sleeping in a loop and listen for events.
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*/
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chEvtRegister(&inserted_event, &el0, 0);
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chEvtRegister(&removed_event, &el1, 1);
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while (TRUE) {
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if (!shelltp)
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shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
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else if (chThdTerminated(shelltp)) {
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chThdRelease(shelltp); /* Recovers memory of the previous shell. */
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shelltp = NULL; /* Triggers spawning of a new shell. */
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}
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chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
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}
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}
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