318 lines
10 KiB
C
318 lines
10 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ch.h"
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#include "hal.h"
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#include "test.h"
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#include "usb_msc.h"
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/*===========================================================================*/
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/* USB related stuff. */
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/*===========================================================================*/
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/*
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* USB Device Descriptor.
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*/
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static const uint8_t msc_device_descriptor_data[18] = {
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USB_DESC_DEVICE (0x0110, /* bcdUSB (1.1). */
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0x00, /* bDeviceClass (in interface). */
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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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0x2004, /* 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 msc_device_descriptor = {
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sizeof msc_device_descriptor_data,
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msc_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 msc_configuration_descriptor_data[32] = {
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/* Configuration Descriptor.*/
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USB_DESC_CONFIGURATION(32, /* 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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50), /* 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 Stprage). */
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0x06, /* bInterfaceSubClass (SCSI
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transparent command set, MSCO
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chapter 2). */
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0x50, /* bInterfaceProtocol (Bulk-Only
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Mass Storage, MSCO chapter 3). */
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4), /* iInterface. */
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/* Endpoint 1 Descriptor.*/
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USB_DESC_ENDPOINT (MSC_DATA_IN_EP|0x80, /* bEndpointAddress. */
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0x02, /* bmAttributes (Bulk). */
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0x0040, /* wMaxPacketSize. */
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0x00), /* bInterval (ignored for bulk). */
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/* Endpoint 2 Descriptor.*/
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USB_DESC_ENDPOINT (MSC_DATA_OUT_EP, /* bEndpointAddress. */
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0x02, /* bmAttributes (Bulk). */
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0x0040, /* wMaxPacketSize. */
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0x00), /* bInterval (ignored for bulk). */
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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 msc_configuration_descriptor = {
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sizeof msc_configuration_descriptor_data,
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msc_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 msc_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 msc_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 msc_string2[] = {
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USB_DESC_BYTE(50), /* 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
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};
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/*
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* Serial Number string.
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*/
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static const uint8_t msc_string3[] = {
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USB_DESC_BYTE(8), /* bLength. */
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USB_DESC_BYTE(USB_DESCRIPTOR_STRING), /* bDescriptorType. */
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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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* Interface string.
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*/
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static const uint8_t msc_string4[] = {
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16, /* bLength. */
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USB_DESCRIPTOR_STRING, /* bDescriptorType. */
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'S', 0, 'T', 0, ' ', 0, 'M', 0, 'a', 0, 's', 0, 's', 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 msc_strings[] = {
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{sizeof msc_string0, msc_string0},
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{sizeof msc_string1, msc_string1},
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{sizeof msc_string2, msc_string2},
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{sizeof msc_string3, msc_string3},
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{sizeof msc_string4, msc_string4}
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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 &msc_device_descriptor;
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case USB_DESCRIPTOR_CONFIGURATION:
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return &msc_configuration_descriptor;
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case USB_DESCRIPTOR_STRING:
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if (dindex < 5)
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return &msc_strings[dindex];
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}
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return NULL;
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}
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/*
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* IN EP1 state.
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*/
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USBInEndpointState ep1state;
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/*
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* OUT EP2 state.
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*/
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USBOutEndpointState ep2state;
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/*
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* EP1 initialization structure (IN only).
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*/
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static const USBEndpointConfig ep1config = {
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USB_EP_MODE_TYPE_BULK | USB_EP_MODE_TRANSACTION,
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mscDataTransmitted,
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NULL,
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0x0040,
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0x0000,
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&ep1state,
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NULL
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};
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/*
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* EP2 initialization structure (OUT only).
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*/
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static const USBEndpointConfig ep2config = {
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USB_EP_MODE_TYPE_BULK | USB_EP_MODE_TRANSACTION,
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NULL,
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mscDataReceived,
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0x0000,
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0x0040,
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NULL,
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&ep2state
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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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/* 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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chSysLockFromIsr();
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usbInitEndpointI(usbp, MSC_DATA_IN_EP, &ep1config);
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usbInitEndpointI(usbp, MSC_DATA_OUT_EP, &ep2config);
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chSysUnlockFromIsr();
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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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* Serial over USB driver configuration.
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*/
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static const USBConfig usbcfg = {
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usb_event,
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get_descriptor,
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mscRequestsHook,
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NULL
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};
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/*===========================================================================*/
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/* Generic code. */
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/*===========================================================================*/
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/*
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* Red LED blinker thread, times are in milliseconds.
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*/
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static WORKING_AREA(waThread1, 128);
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static msg_t Thread1(void *arg) {
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(void)arg;
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chRegSetThreadName("blinker");
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while (TRUE) {
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palClearPad(IOPORT3, GPIOC_LED);
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chThdSleepMilliseconds(500);
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palSetPad(IOPORT3, GPIOC_LED);
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chThdSleepMilliseconds(500);
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}
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}
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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/*
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* Activates the USB driver and then the USB bus pull-up on D+.
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*/
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usbStart(&USBD1, &usbcfg);
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palClearPad(GPIOC, GPIOC_USB_DISC);
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/*
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* Activates the serial driver 2 using the driver default configuration.
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*/
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sdStart(&SD2, NULL);
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/*
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* Creates the blinker thread.
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*/
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chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
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/*
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* Normal main() thread activity, in this demo it does nothing except
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* sleeping in a loop and check the button state.
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*/
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while (TRUE) {
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if (palReadPad(IOPORT1, GPIOA_BUTTON))
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TestThread(&SD2);
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chThdSleepMilliseconds(1000);
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}
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}
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