From 821bc9f643dd2486646e89893eda61346b1b7818 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 4 Jun 2011 07:54:53 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3023 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- demos/ARMCM3-STM32F103-FATFS/main.c | 327 ++++++++++++++++++++++++++++++++++++ 1 file changed, 327 insertions(+) create mode 100644 demos/ARMCM3-STM32F103-FATFS/main.c (limited to 'demos/ARMCM3-STM32F103-FATFS/main.c') diff --git a/demos/ARMCM3-STM32F103-FATFS/main.c b/demos/ARMCM3-STM32F103-FATFS/main.c new file mode 100644 index 000000000..a5bfb13a8 --- /dev/null +++ b/demos/ARMCM3-STM32F103-FATFS/main.c @@ -0,0 +1,327 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#include +#include + +#include "ch.h" +#include "hal.h" +#include "test.h" +#include "shell.h" +#include "evtimer.h" + +#include "ff.h" + +/*===========================================================================*/ +/* MMC/SPI 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}; + +/* Card insertion verification.*/ +static bool_t mmc_is_inserted(void) {return palReadPad(IOPORT3, GPIOC_MMCCP);} + +/* Card protection verification.*/ +static bool_t mmc_is_protected(void) {return !palReadPad(IOPORT3, GPIOC_MMCWP);} + +/* Generic large buffer.*/ +uint8_t fbuff[1024]; + +static FRESULT scan_files(char *path) +{ + FRESULT res; + FILINFO fno; + DIR dir; + int i; + char *fn; + + 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) { + siprintf(&path[i], "/%s", fn); + res = scan_files(path); + if (res != FR_OK) + break; + path[i] = 0; + } + else { + iprintf("%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(BaseChannel *chp, int argc, char *argv[]) { + size_t n, size; + char buf[52]; + + (void)argv; + if (argc > 0) { + shellPrintLine(chp, "Usage: mem"); + return; + } + n = chHeapStatus(NULL, &size); + siprintf(buf, "core free memory : %u bytes", chCoreStatus()); + shellPrintLine(chp, buf); + siprintf(buf, "heap fragments : %u", n); + shellPrintLine(chp, buf); + siprintf(buf, "heap free total : %u bytes", size); + shellPrintLine(chp, buf); +} + +static void cmd_threads(BaseChannel *chp, int argc, char *argv[]) { + static const char *states[] = { + "READY", + "CURRENT", + "SUSPENDED", + "WTSEM", + "WTMTX", + "WTCOND", + "SLEEPING", + "WTEXIT", + "WTOREVT", + "WTANDEVT", + "SNDMSGQ", + "SNDMSG", + "WTMSG", + "FINAL" + }; + Thread *tp; + char buf[60]; + + (void)argv; + if (argc > 0) { + shellPrintLine(chp, "Usage: threads"); + return; + } + shellPrintLine(chp, " addr stack prio refs state time"); + tp = chRegFirstThread(); + do { + siprintf(buf, "%8lx %8lx %4u %4i %9s %u", + (uint32_t)tp, (uint32_t)tp->p_ctx.r13, + (unsigned int)tp->p_prio, tp->p_refs - 1, + states[tp->p_state], (unsigned int)tp->p_time); + shellPrintLine(chp, buf); + tp = chRegNextThread(tp); + } while (tp != NULL); +} + +static void cmd_test(BaseChannel *chp, int argc, char *argv[]) { + Thread *tp; + + (void)argv; + if (argc > 0) { + shellPrintLine(chp, "Usage: test"); + return; + } + tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriority(), + TestThread, chp); + if (tp == NULL) { + shellPrintLine(chp, "out of memory"); + return; + } + chThdWait(tp); +} + +static void cmd_tree(BaseChannel *chp, int argc, char *argv[]) { + FRESULT err; + uint32_t clusters; + FATFS *fsp; + + (void)argv; + if (argc > 0) { + shellPrintLine(chp, "Usage: tree"); + return; + } + if (!fs_ready) { + shellPrintLine(chp, "File System not mounted"); + return; + } + err = f_getfree("/", &clusters, &fsp); + if (err != FR_OK) { + shellPrintLine(chp, "FS: f_getfree() failed"); + return; + } + siprintf((void *)fbuff, + "FS: %lu free clusters, %lu sectors per cluster, %lu bytes free", + clusters, (uint32_t)MMC_FS.csize, + clusters * (uint32_t)MMC_FS.csize * (uint32_t)MMC_SECTOR_SIZE); + shellPrintLine(chp, (void *)fbuff); + fbuff[0] = 0; + scan_files((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 = { + (BaseChannel *)&SD2, + commands +}; + +/* + * Red LEDs blinker thread, times are in milliseconds. + */ +static WORKING_AREA(waThread1, 128); +static msg_t Thread1(void *arg) { + + (void)arg; + 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; + 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, &SPID2, + &ls_spicfg, &hs_spicfg, + mmc_is_protected, mmc_is_inserted); + mmcStart(&MMCD1, NULL); + + /* + * 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(&MMCD1.inserted_event, &el0, 0); + chEvtRegister(&MMCD1.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, chEvtWaitOne(ALL_EVENTS)); + } + return 0; +} -- cgit v1.2.3