232 lines
7.7 KiB
C
232 lines
7.7 KiB
C
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/*
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ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "hal.h"
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#include "hal_usb_cdc.h"
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#include "hal_usb_msd.h"
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#include "usbcfg.h"
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/*
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* must be 64 for full speed and 512 for high speed
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*/
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#define USB_MSD_EP_SIZE 64U
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/*
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* USB Device Descriptor.
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*/
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static const uint8_t vcom_device_descriptor_data[18] = {
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USB_DESC_DEVICE (0x0200, /* bcdUSB (2.0). */
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0x02, /* bDeviceClass (CDC). */
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0x00, /* bDeviceSubClass. */
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0x00, /* bDeviceProtocol. */
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0x40, /* bMaxPacketSize. */
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0x0483, /* idVendor (ST). */
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0x5740, /* idProduct. */
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0x0200, /* bcdDevice. */
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1, /* iManufacturer. */
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2, /* iProduct. */
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3, /* iSerialNumber. */
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1) /* bNumConfigurations. */
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};
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/*
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* Device Descriptor wrapper.
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*/
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static const USBDescriptor vcom_device_descriptor = {
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sizeof vcom_device_descriptor_data,
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vcom_device_descriptor_data
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};
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/* Configuration Descriptor tree for a CDC.*/
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static const uint8_t vcom_configuration_descriptor_data[67] = {
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/* Configuration Descriptor.*/
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USB_DESC_CONFIGURATION(0x0020, /* wTotalLength. */
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0x01, /* bNumInterfaces. */
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0x01, /* bConfigurationValue. */
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0, /* iConfiguration. */
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0xC0, /* bmAttributes (self powered). */
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0x32), /* bMaxPower (100mA). */
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/* Interface Descriptor.*/
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USB_DESC_INTERFACE (0x00, /* bInterfaceNumber. */
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0x00, /* bAlternateSetting. */
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0x02, /* bNumEndpoints. */
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0x08, /* bInterfaceClass (Mass Storage) */
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0x06, /* bInterfaceSubClass (SCSI
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Transparent storage class) */
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0x50, /* bInterfaceProtocol (Bulk Only) */
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0), /* iInterface. (none) */
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/* Mass Storage Data In Endpoint Descriptor.*/
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USB_DESC_ENDPOINT (USB_MSD_DATA_EP | 0x80,
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0x02, /* bmAttributes (Bulk). */
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USB_MSD_EP_SIZE, /* wMaxPacketSize. */
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0x00), /* bInterval. 1ms */
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/* Mass Storage Data Out Endpoint Descriptor.*/
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USB_DESC_ENDPOINT (USB_MSD_DATA_EP,
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0x02, /* bmAttributes (Bulk). */
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USB_MSD_EP_SIZE, /* wMaxPacketSize. */
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0x00) /* bInterval. 1ms */
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};
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/*
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* Configuration Descriptor wrapper.
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*/
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static const USBDescriptor vcom_configuration_descriptor = {
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sizeof vcom_configuration_descriptor_data,
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vcom_configuration_descriptor_data
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};
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/*
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* U.S. English language identifier.
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*/
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static const uint8_t vcom_string0[] = {
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USB_DESC_BYTE(4), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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USB_DESC_WORD(0x0409) /* wLANGID (U.S. English). */
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};
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/*
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* Vendor string.
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*/
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static const uint8_t vcom_string1[] = {
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USB_DESC_BYTE(38), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'S', 0, 'T', 0, 'M', 0, 'i', 0, 'c', 0, 'r', 0, 'o', 0, 'e', 0,
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'l', 0, 'e', 0, 'c', 0, 't', 0, 'r', 0, 'o', 0, 'n', 0, 'i', 0,
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'c', 0, 's', 0
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};
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/*
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* Device Description string.
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*/
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static const uint8_t vcom_string2[] = {
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USB_DESC_BYTE(62), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'C', 0, 'h', 0, 'i', 0, 'b', 0, 'i', 0, 'O', 0, 'S', 0, '/', 0,
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'R', 0, 'T', 0, ' ', 0, 'M', 0, 'a', 0, 's', 0, 's', 0, ' ', 0,
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'S', 0, 't', 0, 'o', 0, 'r', 0, 'a', 0, 'g', 0, 'e', 0, ' ', 0,
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'D', 0, 'e', 0, 'v', 0, 'i', 0, 'c', 0, 'e', 0
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};
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static const uint8_t vcom_string3[] = {
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USB_DESC_BYTE(26), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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'A', 0, 'E', 0, 'C', 0, 'C', 0, 'E', 0, 'C', 0, 'C', 0, 'C', 0, 'C', 0,
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'0' + CH_KERNEL_MAJOR, 0,
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'0' + CH_KERNEL_MINOR, 0,
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'0' + CH_KERNEL_PATCH, 0
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};
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/*
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* Strings wrappers array.
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*/
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static const USBDescriptor vcom_strings[] = {
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{sizeof vcom_string0, vcom_string0},
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{sizeof vcom_string1, vcom_string1},
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{sizeof vcom_string2, vcom_string2},
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{sizeof vcom_string3, vcom_string3}
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};
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/*
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* Handles the GET_DESCRIPTOR callback. All required descriptors must be
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* handled here.
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*/
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static const USBDescriptor *get_descriptor(USBDriver *usbp,
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uint8_t dtype,
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uint8_t dindex,
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uint16_t lang) {
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(void)usbp;
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(void)lang;
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switch (dtype) {
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case USB_DESCRIPTOR_DEVICE:
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return &vcom_device_descriptor;
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case USB_DESCRIPTOR_CONFIGURATION:
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return &vcom_configuration_descriptor;
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case USB_DESCRIPTOR_STRING:
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if (dindex < 4)
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return &vcom_strings[dindex];
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}
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return NULL;
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}
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/**
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* @brief IN EP1 state.
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*/
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static USBInEndpointState ep1instate;
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/**
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* @brief OUT EP1 state.
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*/
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static USBOutEndpointState ep1outstate;
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/**
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* @brief EP1 initialization structure (both IN and OUT).
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*/
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static const USBEndpointConfig ep1config = {
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USB_EP_MODE_TYPE_BULK,
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NULL,
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NULL,
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NULL,
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USB_MSD_EP_SIZE,
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USB_MSD_EP_SIZE,
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&ep1instate,
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&ep1outstate,
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4,
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NULL
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};
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/*
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* Handles the USB driver global events.
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*/
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static void usb_event(USBDriver *usbp, usbevent_t event) {
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switch (event) {
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case USB_EVENT_RESET:
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return;
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case USB_EVENT_ADDRESS:
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return;
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case USB_EVENT_CONFIGURED:
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chSysLockFromISR();
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/* Enables the endpoints specified into the configuration.
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Note, this callback is invoked from an ISR so I-Class functions
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must be used.*/
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usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config);
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chSysUnlockFromISR();
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return;
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case USB_EVENT_UNCONFIGURED:
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return;
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case USB_EVENT_SUSPEND:
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return;
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case USB_EVENT_WAKEUP:
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return;
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case USB_EVENT_STALLED:
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return;
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}
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return;
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}
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/*
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* USB driver configuration.
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*/
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const USBConfig usbcfg = {
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usb_event,
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get_descriptor,
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msd_request_hook,
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NULL
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};
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