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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-08 13:29:06 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2012-09-08 13:29:06 +0000 |
| commit | a8bb5137c0925b5c01564db192a0377519742b05 (patch) | |
| tree | 34ff3a941c13b5d7608dd96ce50975812d27a946 /demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c | |
| parent | 5caf58a184d6ffb0d08c286ab8137d224ae48ba3 (diff) | |
| download | ChibiOS-a8bb5137c0925b5c01564db192a0377519742b05.tar.gz ChibiOS-a8bb5137c0925b5c01564db192a0377519742b05.tar.bz2 ChibiOS-a8bb5137c0925b5c01564db192a0377519742b05.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4636 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c')
| -rw-r--r-- | demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c b/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c new file mode 100644 index 000000000..7472b634d --- /dev/null +++ b/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/usbcfg.c @@ -0,0 +1,308 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 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 <http://www.gnu.org/licenses/>.
+*/
+
+#include "ch.h"
+#include "hal.h"
+#include "usb_cdc.h"
+
+/*
+ * 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 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,
+ 2,
+ 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, USB_CDC_DATA_REQUEST_EP, &ep1config);
+ usbInitEndpointI(usbp, USB_CDC_INTERRUPT_REQUEST_EP, &ep2config);
+
+ /* 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;
+}
+
+/*
+ * USB driver configuration.
+ */
+const USBConfig usbcfg = {
+ usb_event,
+ get_descriptor,
+ sduRequestsHook,
+ NULL
+};
+
+/*
+ * Serial over USB driver configuration.
+ */
+const SerialUSBConfig serusbcfg = {
+ &USBD1
+};
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