diff options
Diffstat (limited to 'testhal/STM32/STM32F30x/USB_CDC/main.c')
| -rw-r--r-- | testhal/STM32/STM32F30x/USB_CDC/main.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/testhal/STM32/STM32F30x/USB_CDC/main.c b/testhal/STM32/STM32F30x/USB_CDC/main.c new file mode 100644 index 000000000..31122bcbd --- /dev/null +++ b/testhal/STM32/STM32F30x/USB_CDC/main.c @@ -0,0 +1,516 @@ +/*
+ 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 <stdio.h>
+#include <string.h>
+
+#include "ch.h"
+#include "hal.h"
+#include "test.h"
+
+#include "shell.h"
+#include "chprintf.h"
+
+/*===========================================================================*/
+/* USB related stuff. */
+/*===========================================================================*/
+
+/*
+ * Endpoints to be used for USBD1.
+ */
+#define USBD1_DATA_REQUEST_EP 1
+#define USBD1_DATA_AVAILABLE_EP 1
+#define USBD1_INTERRUPT_REQUEST_EP 2
+
+/*
+ * DP resistor control is not possible on the STM32F3-Discovery, using stubs
+ * for the connection macros.
+ */
+#define usb_lld_connect_bus(usbp)
+#define usb_lld_disconnect_bus(usbp)
+
+/*
+ * Serial over 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 (USBD1_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 (USBD1_DATA_AVAILABLE_EP, /* bEndpointAddress.*/
+ 0x02, /* bmAttributes (Bulk). */
+ 0x0040, /* wMaxPacketSize. */
+ 0x00), /* bInterval. */
+ /* Endpoint 1 Descriptor.*/
+ USB_DESC_ENDPOINT (USBD1_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 OUT EP1 state.
+ */
+static USBOutEndpointState ep1outstate;
+
+/**
+ * @brief EP1 initialization structure (both IN and OUT).
+ */
+static const USBEndpointConfig ep1config = {
+ USB_EP_MODE_TYPE_BULK,
+ NULL,
+ sduDataTransmitted,
+ sduDataReceived,
+ 0x0040,
+ 0x0040,
+ &ep1instate,
+ &ep1outstate,
+ 1,
+ NULL
+};
+
+/**
+ * @brief IN EP2 state.
+ */
+static USBInEndpointState ep2instate;
+
+/**
+ * @brief EP2 initialization structure (IN only).
+ */
+static const USBEndpointConfig ep2config = {
+ USB_EP_MODE_TYPE_INTR,
+ NULL,
+ sduInterruptTransmitted,
+ NULL,
+ 0x0010,
+ 0x0000,
+ &ep2instate,
+ NULL,
+ 1,
+ 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, USBD1_DATA_REQUEST_EP, &ep1config);
+ usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep2config);
+
+ /* Resetting the state of the CDC subsystem.*/
+ sduConfigureHookI(&SDU1);
+
+ chSysUnlockFromISR();
+ return;
+ case USB_EVENT_SUSPEND:
+ return;
+ case USB_EVENT_WAKEUP:
+ return;
+ case USB_EVENT_STALLED:
+ return;
+ }
+ return;
+}
+
+/*
+ * USB driver configuration.
+ */
+static const USBConfig usbcfg = {
+ usb_event,
+ get_descriptor,
+ sduRequestsHook,
+ NULL
+};
+
+/*
+ * Serial over USB driver configuration.
+ */
+static const SerialUSBConfig serusbcfg = {
+ &USBD1,
+ USBD1_DATA_REQUEST_EP,
+ USBD1_DATA_AVAILABLE_EP,
+ USBD1_INTERRUPT_REQUEST_EP
+};
+
+/*===========================================================================*/
+/* Command line related. */
+/*===========================================================================*/
+
+#define SHELL_WA_SIZE THD_WORKING_AREA_SIZE(2048)
+#define TEST_WA_SIZE THD_WORKING_AREA_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[] = {CH_STATE_NAMES};
+ thread_t *tp;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: threads\r\n");
+ return;
+ }
+ chprintf(chp, " addr stack prio refs state\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]);
+ tp = chRegNextThread(tp);
+ } while (tp != NULL);
+}
+
+static void cmd_test(BaseSequentialStream *chp, int argc, char *argv[]) {
+ thread_t *tp;
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: test\r\n");
+ return;
+ }
+ tp = chThdCreateFromHeap(NULL, TEST_WA_SIZE, chThdGetPriorityX(),
+ TestThread, chp);
+ if (tp == NULL) {
+ chprintf(chp, "out of memory\r\n");
+ return;
+ }
+ chThdWait(tp);
+}
+
+static void cmd_write(BaseSequentialStream *chp, int argc, char *argv[]) {
+ static uint8_t buf[] =
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
+
+ (void)argv;
+ if (argc > 0) {
+ chprintf(chp, "Usage: write\r\n");
+ return;
+ }
+
+ while (chnGetTimeout((BaseChannel *)chp, TIME_IMMEDIATE) == Q_TIMEOUT) {
+ chSequentialStreamWrite(&SDU1, buf, sizeof buf - 1);
+ }
+ chprintf(chp, "\r\n\nstopped\r\n");
+}
+
+static const ShellCommand commands[] = {
+ {"mem", cmd_mem},
+ {"threads", cmd_threads},
+ {"test", cmd_test},
+ {"write", cmd_write},
+ {NULL, NULL}
+};
+
+static const ShellConfig shell_cfg1 = {
+ (BaseSequentialStream *)&SDU1,
+ commands
+};
+
+/*===========================================================================*/
+/* Generic code. */
+/*===========================================================================*/
+
+/*
+ * Red LED blinker thread, times are in milliseconds.
+ */
+static THD_WORKING_AREA(waThread1, 128);
+static msg_t Thread1(void *arg) {
+
+ (void)arg;
+ chRegSetThreadName("blinker");
+ while (TRUE) {
+ systime_t time = serusbcfg.usbp->state == USB_ACTIVE ? 250 : 500;
+ palClearPad(GPIOE, GPIOE_LED3_RED);
+ chThdSleepMilliseconds(time);
+ palSetPad(GPIOE, GPIOE_LED3_RED);
+ chThdSleepMilliseconds(time);
+ }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+ thread_t *shelltp = NULL;
+
+ /*
+ * 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();
+
+ /*
+ * 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();
+
+ /*
+ * 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 check the button state.
+ */
+ while (TRUE) {
+ if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE))
+ shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
+ else if (chThdTerminatedX(shelltp)) {
+ chThdRelease(shelltp); /* Recovers memory of the previous shell. */
+ shelltp = NULL; /* Triggers spawning of a new shell. */
+ }
+ chThdSleepMilliseconds(1000);
+ }
+}
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