diff options
Diffstat (limited to 'demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c')
| -rw-r--r-- | demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c | 497 |
1 files changed, 490 insertions, 7 deletions
diff --git a/demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c b/demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c index 8ef9b2b7b..6e11d3a03 100644 --- a/demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c +++ b/demos/ARMCM4-STM32F407-LWIP-FATFS-USB/main.c @@ -18,15 +18,22 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdio.h>
+#include <string.h>
+
#include "ch.h"
#include "hal.h"
#include "test.h"
-#include "lwipthread.h"
+#include "usb_cdc.h"
+#include "chprintf.h"
+#include "shell.h"
-#include "usbshell.h"
+#include "lwipthread.h"
#include "web/web.h"
+#include "ff.h"
+
/*===========================================================================*/
/* Card insertion monitor. */
/*===========================================================================*/
@@ -97,6 +104,456 @@ static void tmr_init(void *p) { }
/*===========================================================================*/
+/* FatFs related. */
+/*===========================================================================*/
+
+/**
+ * @brief FS object.
+ */
+FATFS SDC_FS;
+
+/* FS mounted and ready.*/
+static bool_t fs_ready = FALSE;
+
+/* 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;
+
+ 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;
+}
+
+/*===========================================================================*/
+/* USB related stuff. */
+/*===========================================================================*/
+
+/*
+ * USB Driver structure.
+ */
+static SerialUSBDriver SDU1;
+
+/*
+ * USB Device Descriptor.
+ */
+static const uint8_t vcom_device_descriptor_data[18] = {
+ USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
+ 0x02, /* bDeviceClass (CDC). */
+ 0x00, /* bDeviceSubClass. */
+ 0x00, /* bDeviceProtocol. */
+ 0x40, /* bMaxPacketSize. */
+ 0x0483, /* idVendor (ST). */
+ 0x5740, /* idProduct. */
+ 0x0200, /* bcdDevice. */
+ 1, /* iManufacturer. */
+ 2, /* iProduct. */
+ 3, /* iSerialNumber. */
+ 1) /* bNumConfigurations. */
+};
+
+/*
+ * Device Descriptor wrapper.
+ */
+static const USBDescriptor vcom_device_descriptor = {
+ sizeof vcom_device_descriptor_data,
+ vcom_device_descriptor_data
+};
+
+/* Configuration Descriptor tree for a CDC.*/
+static const uint8_t vcom_configuration_descriptor_data[67] = {
+ /* Configuration Descriptor.*/
+ USB_DESC_CONFIGURATION(67, /* wTotalLength. */
+ 0x02, /* bNumInterfaces. */
+ 0x01, /* bConfigurationValue. */
+ 0, /* iConfiguration. */
+ 0xC0, /* bmAttributes (self powered). */
+ 50), /* bMaxPower (100mA). */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x01, /* bNumEndpoints. */
+ 0x02, /* bInterfaceClass (Communications
+ Interface Class, CDC section
+ 4.2). */
+ 0x02, /* bInterfaceSubClass (Abstract
+ Control Model, CDC section 4.3). */
+ 0x01, /* bInterfaceProtocol (AT commands,
+ CDC section 4.4). */
+ 0), /* iInterface. */
+ /* Header Functional Descriptor (CDC section 5.2.3).*/
+ USB_DESC_BYTE (5), /* bLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x00), /* bDescriptorSubtype (Header
+ Functional Descriptor. */
+ USB_DESC_BCD (0x0110), /* bcdCDC. */
+ /* Call Management Functional Descriptor. */
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x01), /* bDescriptorSubtype (Call Management
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bmCapabilities (D0+D1). */
+ USB_DESC_BYTE (0x01), /* bDataInterface. */
+ /* ACM Functional Descriptor.*/
+ USB_DESC_BYTE (4), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x02), /* bDescriptorSubtype (Abstract
+ Control Management Descriptor). */
+ USB_DESC_BYTE (0x02), /* bmCapabilities. */
+ /* Union Functional Descriptor.*/
+ USB_DESC_BYTE (5), /* bFunctionLength. */
+ USB_DESC_BYTE (0x24), /* bDescriptorType (CS_INTERFACE). */
+ USB_DESC_BYTE (0x06), /* bDescriptorSubtype (Union
+ Functional Descriptor). */
+ USB_DESC_BYTE (0x00), /* bMasterInterface (Communication
+ Class Interface). */
+ USB_DESC_BYTE (0x01), /* bSlaveInterface0 (Data Class
+ Interface). */
+ /* Endpoint 2 Descriptor.*/
+ USB_DESC_ENDPOINT (USB_CDC_INTERRUPT_REQUEST_EP|0x80,
+ 0x03, /* bmAttributes (Interrupt). */
+ 0x0008, /* wMaxPacketSize. */
+ 0xFF), /* bInterval. */
+ /* Interface Descriptor.*/
+ USB_DESC_INTERFACE (0x01, /* bInterfaceNumber. */
+ 0x00, /* bAlternateSetting. */
+ 0x02, /* bNumEndpoints. */
+ 0x0A, /* bInterfaceClass (Data Class
+ Interface, CDC section 4.5). */
+ 0x00, /* bInterfaceSubClass (CDC section
+ 4.6). */
+ 0x00, /* bInterfaceProtocol (CDC section
+ 4.7). */
+ 0x00), /* iInterface. */
+ /* Endpoint 3 Descriptor.*/
+ USB_DESC_ENDPOINT (USB_CDC_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00), /* bInterval. */
+ /* Endpoint 1 Descriptor.*/
+ USB_DESC_ENDPOINT (USB_CDC_DATA_REQUEST_EP|0x80, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00) /* bInterval. */
+};
+
+/*
+ * Configuration Descriptor wrapper.
+ */
+static const USBDescriptor vcom_configuration_descriptor = {
+ sizeof vcom_configuration_descriptor_data,
+ vcom_configuration_descriptor_data
+};
+
+/*
+ * U.S. English language identifier.
+ */
+static const uint8_t vcom_string0[] = {
+ USB_DESC_BYTE(4), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
+};
+
+/*
+ * Vendor string.
+ */
+static const uint8_t vcom_string1[] = {
+ USB_DESC_BYTE(38), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ 'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
+ 'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
+ 'c', 0, 's', 0
+};
+
+/*
+ * Device Description string.
+ */
+static const uint8_t vcom_string2[] = {
+ USB_DESC_BYTE(56), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ 'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
+ 'R', 0, 'T', 0, ' ', 0, 'V', 0, 'i', 0, 'r', 0, 't', 0, 'u', 0,
+ 'a', 0, 'l', 0, ' ', 0, 'C', 0, 'O', 0, 'M', 0, ' ', 0, 'P', 0,
+ 'o', 0, 'r', 0, 't', 0
+};
+
+/*
+ * Serial Number string.
+ */
+static const uint8_t vcom_string3[] = {
+ USB_DESC_BYTE(8), /* bLength. */
+ USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
+ '0' + CH_KERNEL_MAJOR, 0,
+ '0' + CH_KERNEL_MINOR, 0,
+ '0' + CH_KERNEL_PATCH, 0
+};
+
+/*
+ * Strings wrappers array.
+ */
+static const USBDescriptor vcom_strings[] = {
+ {sizeof vcom_string0, vcom_string0},
+ {sizeof vcom_string1, vcom_string1},
+ {sizeof vcom_string2, vcom_string2},
+ {sizeof vcom_string3, vcom_string3}
+};
+
+/*
+ * Handles the GET_DESCRIPTOR callback. All required descriptors must be
+ * handled here.
+ */
+static const USBDescriptor *get_descriptor(USBDriver *usbp,
+ uint8_t dtype,
+ uint8_t dindex,
+ uint16_t lang) {
+
+ (void)usbp;
+ (void)lang;
+ switch (dtype) {
+ case USB_DESCRIPTOR_DEVICE:
+ return &vcom_device_descriptor;
+ case USB_DESCRIPTOR_CONFIGURATION:
+ return &vcom_configuration_descriptor;
+ case USB_DESCRIPTOR_STRING:
+ if (dindex < 4)
+ return &vcom_strings[dindex];
+ }
+ return NULL;
+}
+
+/**
+ * @brief IN EP1 state.
+ */
+static USBInEndpointState ep1instate;
+
+/**
+ * @brief EP1 initialization structure (IN only).
+ */
+static const USBEndpointConfig ep1config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ sduDataTransmitted,
+ NULL,
+ 0x0040,
+ 0x0000,
+ &ep1instate,
+ NULL,
+ NULL
+};
+
+/**
+ * @brief OUT EP2 state.
+ */
+USBOutEndpointState ep2outstate;
+
+/**
+ * @brief EP2 initialization structure (IN only).
+ */
+static const USBEndpointConfig ep2config = {
+ USB_EP_MODE_TYPE_INTR,
+ NULL,
+ sduInterruptTransmitted,
+ NULL,
+ 0x0010,
+ 0x0000,
+ NULL,
+ &ep2outstate,
+ NULL
+};
+
+/**
+ * @brief OUT EP2 state.
+ */
+USBOutEndpointState ep3outstate;
+
+/**
+ * @brief EP3 initialization structure (OUT only).
+ */
+static const USBEndpointConfig ep3config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ NULL,
+ sduDataReceived,
+ 0x0000,
+ 0x0040,
+ NULL,
+ &ep3outstate,
+ NULL
+};
+
+/*
+ * Handles the USB driver global events.
+ */
+static void usb_event(USBDriver *usbp, usbevent_t event) {
+
+ switch (event) {
+ case USB_EVENT_RESET:
+ return;
+ case USB_EVENT_ADDRESS:
+ return;
+ case USB_EVENT_CONFIGURED:
+ chSysLockFromIsr();
+
+ /* Enables the endpoints specified into the configuration.
+ Note, this callback is invoked from an ISR so I-Class functions
+ must be used.*/
+ usbInitEndpointI(usbp, USB_CDC_DATA_REQUEST_EP, &ep1config);
+ usbInitEndpointI(usbp, USB_CDC_INTERRUPT_REQUEST_EP, &ep2config);
+ usbInitEndpointI(usbp, USB_CDC_DATA_AVAILABLE_EP, &ep3config);
+
+ /* Resetting the state of the CDC subsystem.*/
+ sduConfigureHookI(usbp);
+
+ chSysUnlockFromIsr();
+ return;
+ case USB_EVENT_SUSPEND:
+ return;
+ case USB_EVENT_WAKEUP:
+ return;
+ case USB_EVENT_STALLED:
+ return;
+ }
+ return;
+}
+
+/*
+ * Serial over USB driver configuration.
+ */
+static const SerialUSBConfig serusbcfg = {
+ &USBD1,
+ {
+ usb_event,
+ get_descriptor,
+ sduRequestsHook,
+ NULL
+ }
+};
+
+/*===========================================================================*/
+/* 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)SDC_FS.csize,
+ clusters * (uint32_t)SDC_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 *)&SDU1,
+ commands
+};
+
+/*===========================================================================*/
/* Main and generic code. */
/*===========================================================================*/
@@ -104,8 +561,21 @@ static void tmr_init(void *p) { * 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(0, &SDC_FS);
+ if (err != FR_OK) {
+ sdcDisconnect(&SDCD1);
+ return;
+ }
+ fs_ready = TRUE;
}
/*
@@ -114,6 +584,7 @@ static void InsertHandler(eventid_t id) { static void RemoveHandler(eventid_t id) {
(void)id;
+ fs_ready = FALSE;
}
/*
@@ -134,6 +605,7 @@ static msg_t Thread1(void *arg) { * Application entry point.
*/
int main(void) {
+ static Thread *shelltp = NULL;
static const evhandler_t evhndl[] = {
InsertHandler,
RemoveHandler
@@ -153,12 +625,18 @@ int main(void) { /*
* Activates the shell on the USB-CDC.
*/
- usInit();
+ usbDisconnectBus(serusbcfg.usbp);
+ chThdSleepMilliseconds(1000);
+ sduObjectInit(&SDU1);
+ sduStart(&SDU1, &serusbcfg);
+ usbConnectBus(serusbcfg.usbp);
/*
- * Activates the serial driver 6 using the driver default configuration.
+ * Activates the serial driver 6 and SDC driver 1 using default
+ * configuration.
*/
sdStart(&SD6, NULL);
+ sdcStart(&SDCD1, NULL);
/*
* Activates the card insertion monitor.
@@ -173,7 +651,7 @@ int main(void) { /*
* Creates the LWIP threads (it changes priority internally).
*/
- chThdCreateStatic(wa_lwip_thread, LWIP_THREAD_STACK_SIZE, NORMALPRIO + 1,
+ chThdCreateStatic(wa_lwip_thread, LWIP_THREAD_STACK_SIZE, NORMALPRIO + 2,
lwip_thread, NULL);
/*
@@ -189,9 +667,14 @@ int main(void) { chEvtRegister(&inserted_event, &el0, 0);
chEvtRegister(&removed_event, &el1, 1);
while (TRUE) {
- usStateCheck();
+ if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE))
+ 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. */
+ }
if (palReadPad(GPIOA, GPIOA_BUTTON_WKUP) != 0) {
}
- chEvtDispatch(evhndl, chEvtWaitOne(ALL_EVENTS));
+ chEvtDispatch(evhndl, chEvtWaitOneTimeout(ALL_EVENTS, MS2ST(500)));
}
}
|