diff options
Diffstat (limited to 'demos/ARMCM3-STM32F103-FATFS/main.c')
| -rw-r--r-- | demos/ARMCM3-STM32F103-FATFS/main.c | 388 |
1 files changed, 0 insertions, 388 deletions
diff --git a/demos/ARMCM3-STM32F103-FATFS/main.c b/demos/ARMCM3-STM32F103-FATFS/main.c deleted file mode 100644 index 0ee436218..000000000 --- a/demos/ARMCM3-STM32F103-FATFS/main.c +++ /dev/null @@ -1,388 +0,0 @@ -/*
- 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 <string.h>
-
-#include "ch.h"
-#include "hal.h"
-#include "test.h"
-#include "shell.h"
-#include "evtimer.h"
-#include "chprintf.h"
-
-#include "ff.h"
-
-/*===========================================================================*/
-/* Card insertion monitor. */
-/*===========================================================================*/
-
-#define POLLING_INTERVAL 10
-#define POLLING_DELAY 10
-
-/**
- * @brief Card monitor timer.
- */
-static VirtualTimer tmr;
-
-/**
- * @brief Debounce counter.
- */
-static unsigned cnt;
-
-/**
- * @brief Card event sources.
- */
-static EventSource 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;
-
- /* The presence check is performed only while the driver is not in a
- transfer state because it is often performed by changing the mode of
- the pin connected to the CS/D3 contact of the card, this could disturb
- the transfer.*/
- blkstate_t state = blkGetDriverState(bbdp);
- chSysLockFromIsr();
- if ((state != BLK_READING) && (state != BLK_WRITING)) {
- /* Safe to perform the check.*/
- 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) {
-
- chEvtInit(&inserted_event);
- chEvtInit(&removed_event);
- chSysLock();
- cnt = POLLING_INTERVAL;
- chVTSetI(&tmr, MS2ST(POLLING_DELAY), tmrfunc, p);
- chSysUnlock();
-}
-
-/*===========================================================================*/
-/* FatFs 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};
-
-/* MMC/SD over SPI driver configuration.*/
-static MMCConfig mmccfg = {&SPID2, &ls_spicfg, &hs_spicfg};
-
-/* Generic large buffer.*/
-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_WA_SIZE(2048)
-#define TEST_WA_SIZE THD_WA_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", chCoreStatus());
- 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[] = {THD_STATE_NAMES};
- Thread *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, "%.8lx %.8lx %4lu %4lu %9s %lu\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], (uint32_t)tp->p_time);
- tp = chRegNextThread(tp);
- } while (tp != NULL);
-}
-
-static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
- Thread *tp;
-
- (void)argv;
- if (argc > 0) {
- chprintf(chp, "Usage: test\r\n");
- return;
- }
- tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(),
- 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)MMC_FS.csize,
- clusters * (uint32_t)MMC_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 *)&SD2,
- commands
-};
-
-/*===========================================================================*/
-/* Main and generic code. */
-/*===========================================================================*/
-
-/*
- * Red LEDs blinker thread, times are in milliseconds.
- */
-static WORKING_AREA(waThread1, 128);
-static msg_t Thread1(void *arg) {
-
- (void)arg;
- chRegSetThreadName("blinker");
- 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;
- mmcDisconnect(&MMCD1);
- 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);
- mmcStart(&MMCD1, &mmccfg);
-
- /*
- * Activates the card insertion monitor.
- */
- tmr_init(&MMCD1);
-
- /*
- * 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(&inserted_event, &el0, 0);
- chEvtRegister(&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, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
- }
- return 0;
-}
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