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authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-04-23 16:49:15 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2012-04-23 16:49:15 +0000
commit782a98407637ecdf9afa27d99cd178d1c75db4d3 (patch)
tree8db7dff83d22e1007ac3aba5ea1b1542bff9f668 /nuttx/drivers/usbdev/cdcacm_desc.c
parent68bc7cefbd11c4dbeca86fb64fac3466dd4f5b69 (diff)
downloadpx4-nuttx-782a98407637ecdf9afa27d99cd178d1c75db4d3.tar.gz
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Rename some USB device files
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4645 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/usbdev/cdcacm_desc.c')
-rw-r--r--nuttx/drivers/usbdev/cdcacm_desc.c613
1 files changed, 613 insertions, 0 deletions
diff --git a/nuttx/drivers/usbdev/cdcacm_desc.c b/nuttx/drivers/usbdev/cdcacm_desc.c
new file mode 100644
index 000000000..fde13bfd3
--- /dev/null
+++ b/nuttx/drivers/usbdev/cdcacm_desc.c
@@ -0,0 +1,613 @@
+/****************************************************************************
+ * drivers/usbdev/cdcacm_desc.c
+ *
+ * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/usb/usb.h>
+#include <nuttx/usb/cdc.h>
+#include <nuttx/usb/cdcacm.h>
+#include <nuttx/usb/usbdev_trace.h>
+
+#include "cdcacm.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/* Describes one description in the group of descriptors forming the
+ * total configuration descriptor.
+ */
+
+struct cfgdecsc_group_s
+{
+ uint16_t descsize; /* Size of the descriptor in bytes */
+ uint16_t hsepsize; /* High speed max packet size */
+ FAR void *desc; /* A pointer to the descriptor */
+};
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* USB descriptor templates these will be copied and modified **************/
+/* Device Descriptor. If the USB serial device is configured as part of
+ * composite device, then the device descriptor will be provided by the
+ * composite device logic.
+ */
+
+#ifndef CONFIG_CDCACM_COMPOSITE
+static const struct usb_devdesc_s g_devdesc =
+{
+ USB_SIZEOF_DEVDESC, /* len */
+ USB_DESC_TYPE_DEVICE, /* type */
+ { /* usb */
+ LSBYTE(0x0200),
+ MSBYTE(0x0200)
+ },
+ USB_CLASS_CDC, /* class */
+ CDC_SUBCLASS_NONE, /* subclass */
+ CDC_PROTO_NONE, /* protocol */
+ CONFIG_CDCACM_EP0MAXPACKET, /* maxpacketsize */
+ {
+ LSBYTE(CONFIG_CDCACM_VENDORID), /* vendor */
+ MSBYTE(CONFIG_CDCACM_VENDORID)
+ },
+ {
+ LSBYTE(CONFIG_CDCACM_PRODUCTID), /* product */
+ MSBYTE(CONFIG_CDCACM_PRODUCTID)
+ },
+ {
+ LSBYTE(CDCACM_VERSIONNO), /* device */
+ MSBYTE(CDCACM_VERSIONNO)
+ },
+ CDCACM_MANUFACTURERSTRID, /* imfgr */
+ CDCACM_PRODUCTSTRID, /* iproduct */
+ CDCACM_SERIALSTRID, /* serno */
+ CDCACM_NCONFIGS /* nconfigs */
+};
+#endif
+
+/* Configuration descriptor. If the USB serial device is configured as part of
+ * composite device, then the configuration descriptor will be provided by the
+ * composite device logic.
+ */
+
+#ifndef CONFIG_CDCACM_COMPOSITE
+static const struct usb_cfgdesc_s g_cfgdesc =
+{
+ USB_SIZEOF_CFGDESC, /* len */
+ USB_DESC_TYPE_CONFIG, /* type */
+ {
+ LSBYTE(SIZEOF_CDCACM_CFGDESC), /* LS totallen */
+ MSBYTE(SIZEOF_CDCACM_CFGDESC) /* MS totallen */
+ },
+ CDCACM_NINTERFACES, /* ninterfaces */
+ CDCACM_CONFIGID, /* cfgvalue */
+ CDCACM_CONFIGSTRID, /* icfg */
+ USB_CONFIG_ATTR_ONE|SELFPOWERED|REMOTEWAKEUP, /* attr */
+ (CONFIG_USBDEV_MAXPOWER + 1) / 2 /* mxpower */
+};
+#endif
+
+/* Interface association descriptor */
+
+#if defined(CONFIG_CDCACM_COMPOSITE) && defined(CONFIG_COMPOSITE_IAD)
+static const struct usb_iaddesc_s g_iaddesc =
+{
+ USB_SIZEOF_IADDESC, /* len */
+ USB_DESC_TYPE_INTERFACEASSOCIATION, /* type */
+ CONFIG_CDCACM_IFNOBASE, /* firstif */
+ CDCACM_NINTERFACES, /* nifs */
+ USB_CLASS_CDC, /* class */
+ CDC_SUBCLASS_ACM, /* subclass */
+ CDC_PROTO_NONE, /* protocol */
+ 0 /* ifunction */
+};
+#endif
+
+/* Notification interface */
+
+static const struct usb_ifdesc_s g_notifdesc =
+{
+ USB_SIZEOF_IFDESC, /* len */
+ USB_DESC_TYPE_INTERFACE, /* type */
+ CDCACM_NOTIFID, /* ifno */
+ CDCACM_NOTALTIFID, /* alt */
+ 1, /* neps */
+ USB_CLASS_CDC, /* class */
+ CDC_SUBCLASS_ACM, /* subclass */
+ CDC_PROTO_ATM, /* proto */
+#ifdef CONFIG_CDCACM_NOTIFSTR
+ CDCACM_NOTIFSTRID /* iif */
+#else
+ 0 /* iif */
+#endif
+};
+
+/* Header functional descriptor */
+
+static const struct cdc_hdr_funcdesc_s g_funchdr =
+{
+ SIZEOF_HDR_FUNCDESC, /* size */
+ USB_DESC_TYPE_CSINTERFACE, /* type */
+ CDC_DSUBTYPE_HDR, /* subtype */
+ {
+ LSBYTE(CDC_VERSIONNO), /* LS cdc */
+ MSBYTE(CDC_VERSIONNO) /* MS cdc */
+ }
+};
+
+/* ACM functional descriptor */
+
+static const struct cdc_acm_funcdesc_s g_acmfunc =
+{
+ SIZEOF_ACM_FUNCDESC, /* size */
+ USB_DESC_TYPE_CSINTERFACE, /* type */
+ CDC_DSUBTYPE_ACM, /* subtype */
+ 0x06 /* caps */
+};
+
+/* Union functional descriptor */
+
+static const struct cdc_union_funcdesc_s g_unionfunc =
+{
+ SIZEOF_UNION_FUNCDESC(1), /* size */
+ USB_DESC_TYPE_CSINTERFACE, /* type */
+ CDC_DSUBTYPE_UNION, /* subtype */
+ 0, /* master */
+ {1} /* slave[0] */
+};
+
+/* Interrupt IN endpoint descriptor */
+
+static const struct usb_epdesc_s g_epintindesc =
+{
+ USB_SIZEOF_EPDESC, /* len */
+ USB_DESC_TYPE_ENDPOINT, /* type */
+ CDCACM_EPINTIN_ADDR, /* addr */
+ CDCACM_EPINTIN_ATTR, /* attr */
+ {
+ LSBYTE(CONFIG_CDCACM_EPINTIN_FSSIZE), /* maxpacket (full speed) */
+ MSBYTE(CONFIG_CDCACM_EPINTIN_FSSIZE)
+ },
+ 0xff /* interval */
+};
+
+/* Data interface descriptor */
+
+static const struct usb_ifdesc_s g_dataifdesc =
+{
+ USB_SIZEOF_IFDESC, /* len */
+ USB_DESC_TYPE_INTERFACE, /* type */
+ CDCACM_DATAIFID, /* ifno */
+ CDCACM_DATAALTIFID, /* alt */
+ 2, /* neps */
+ USB_CLASS_CDC_DATA, /* class */
+ CDC_DATA_SUBCLASS_NONE, /* subclass */
+ CDC_DATA_PROTO_NONE, /* proto */
+#ifdef CONFIG_CDCACM_DATAIFSTR
+ CDCACM_DATAIFSTRID /* iif */
+#else
+ 0 /* iif */
+#endif
+};
+
+/* Bulk OUT endpoint descriptor */
+
+static const struct usb_epdesc_s g_epbulkoutdesc =
+{
+ USB_SIZEOF_EPDESC, /* len */
+ USB_DESC_TYPE_ENDPOINT, /* type */
+ CDCACM_EPOUTBULK_ADDR, /* addr */
+ CDCACM_EPOUTBULK_ATTR, /* attr */
+ {
+ LSBYTE(CONFIG_CDCACM_EPBULKOUT_FSSIZE), /* maxpacket (full speed) */
+ MSBYTE(CONFIG_CDCACM_EPBULKOUT_FSSIZE)
+ },
+ 1 /* interval */
+};
+
+/* Bulk IN endpoint descriptor */
+
+static const struct usb_epdesc_s g_epbulkindesc =
+{
+ USB_SIZEOF_EPDESC, /* len */
+ USB_DESC_TYPE_ENDPOINT, /* type */
+ CDCACM_EPINBULK_ADDR, /* addr */
+ CDCACM_EPINBULK_ATTR, /* attr */
+ {
+ LSBYTE(CONFIG_CDCACM_EPBULKIN_FSSIZE), /* maxpacket (full speed) */
+ MSBYTE(CONFIG_CDCACM_EPBULKIN_FSSIZE)
+ },
+ 1 /* interval */
+};
+
+/* The components of the the configuration descriptor are maintained as
+ * a collection of separate descriptor structure coordinated by the
+ * following array. These descriptors could have been combined into
+ * one larger "super" configuration descriptor structure. However, I
+ * have concerns about compiler-dependent alignment and packing. Since
+ * the individual structures consist only of byte types, alignment and
+ * packing is not an issue. And since the are concatentated at run time
+ * instead of compile time, there should no issues there either.
+ */
+
+static const struct cfgdecsc_group_s g_cfggroup[CDCACM_CFGGROUP_SIZE] =
+{
+ /* Configuration Descriptor. If the serial device is used in as part
+ * or a composite device, then the configuration descriptor is
+ * provided by the composite device logic.
+ */
+
+#if !defined(CONFIG_CDCACM_COMPOSITE)
+ {
+ USB_SIZEOF_CFGDESC, /* 1. Configuration descriptor */
+ 0,
+ (FAR void *)&g_cfgdesc
+ },
+
+ /* If the serial device is part of a composite device, then it should
+ * begin with an interface association descriptor (IAD) because the
+ * CDC/ACM device consists of more than one interface. The IAD associates
+ * the two CDC/ACM interfaces with the same CDC/ACM device.
+ */
+
+#elif defined(CONFIG_COMPOSITE_IAD)
+ {
+ USB_SIZEOF_IADDESC, /* 1. Interface association descriptor */
+ 0,
+ (FAR void *)&g_iaddesc
+ },
+#endif
+ {
+ USB_SIZEOF_IFDESC, /* 2. Notification interface */
+ 0,
+ (FAR void *)&g_notifdesc
+ },
+ {
+ SIZEOF_HDR_FUNCDESC, /* 3. Header functional descriptor */
+ 0,
+ (FAR void *)&g_funchdr
+ },
+ {
+ SIZEOF_ACM_FUNCDESC, /* 4. ACM functional descriptor */
+ 0,
+ (FAR void *)&g_acmfunc
+ },
+ {
+ SIZEOF_UNION_FUNCDESC(1), /* 5. Union functional descriptor */
+ 0,
+ (FAR void *)&g_unionfunc
+ },
+ {
+ USB_SIZEOF_EPDESC, /* 6. Interrupt IN endpoint descriptor */
+ CONFIG_CDCACM_EPINTIN_HSSIZE,
+ (FAR void *)&g_epintindesc
+ },
+ {
+ USB_SIZEOF_IFDESC, /* 7. Data interface descriptor */
+ 0,
+ (FAR void *)&g_dataifdesc
+ },
+ {
+ USB_SIZEOF_EPDESC, /* 8. Bulk OUT endpoint descriptor */
+ CONFIG_CDCACM_EPBULKOUT_HSSIZE,
+ (FAR void *)&g_epbulkoutdesc
+ },
+ {
+ USB_SIZEOF_EPDESC, /* 9. Bulk OUT endpoint descriptor */
+ CONFIG_CDCACM_EPBULKIN_HSSIZE,
+ (FAR void *)&g_epbulkindesc
+ }
+};
+
+#if !defined(CONFIG_CDCACM_COMPOSITE) && defined(CONFIG_USBDEV_DUALSPEED)
+static const struct usb_qualdesc_s g_qualdesc =
+{
+ USB_SIZEOF_QUALDESC, /* len */
+ USB_DESC_TYPE_DEVICEQUALIFIER, /* type */
+ { /* usb */
+ LSBYTE(0x0200),
+ MSBYTE(0x0200)
+ },
+ USB_CLASS_VENDOR_SPEC, /* class */
+ 0, /* subclass */
+ 0, /* protocol */
+ CONFIG_CDCACM_EP0MAXPACKET, /* mxpacketsize */
+ CDCACM_NCONFIGS, /* nconfigs */
+ 0, /* reserved */
+};
+#endif
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: cdcacm_mkstrdesc
+ *
+ * Description:
+ * Construct a string descriptor
+ *
+ ****************************************************************************/
+
+int cdcacm_mkstrdesc(uint8_t id, struct usb_strdesc_s *strdesc)
+{
+#if !defined(CONFIG_CDCACM_COMPOSITE) || defined(CONFIG_CDCACM_NOTIFSTR) || \
+ defined(CONFIG_CDCACM_DATAIFSTR)
+
+ const char *str;
+ int len;
+ int ndata;
+ int i;
+
+ switch (id)
+ {
+#ifndef CONFIG_CDCACM_COMPOSITE
+ case 0:
+ {
+ /* Descriptor 0 is the language id */
+
+ strdesc->len = 4;
+ strdesc->type = USB_DESC_TYPE_STRING;
+ strdesc->data[0] = LSBYTE(CDCACM_STR_LANGUAGE);
+ strdesc->data[1] = MSBYTE(CDCACM_STR_LANGUAGE);
+ return 4;
+ }
+
+ case CDCACM_MANUFACTURERSTRID:
+ str = CONFIG_CDCACM_VENDORSTR;
+ break;
+
+ case CDCACM_PRODUCTSTRID:
+ str = CONFIG_CDCACM_PRODUCTSTR;
+ break;
+
+ case CDCACM_SERIALSTRID:
+ str = CONFIG_CDCACM_SERIALSTR;
+ break;
+
+ case CDCACM_CONFIGSTRID:
+ str = CONFIG_CDCACM_CONFIGSTR;
+ break;
+#endif
+
+#ifdef CONFIG_CDCACM_NOTIFSTR
+ case CDCACM_NOTIFSTRID:
+ str = CONFIG_CDCACM_NOTIFSTR;
+ break;
+#endif
+
+#ifdef CONFIG_CDCACM_DATAIFSTR
+ case CDCACM_DATAIFSTRID:
+ str = CONFIG_CDCACM_DATAIFSTR;
+ break;
+#endif
+
+ default:
+ return -EINVAL;
+ }
+
+ /* The string is utf16-le. The poor man's utf-8 to utf16-le
+ * conversion below will only handle 7-bit en-us ascii
+ */
+
+ len = strlen(str);
+ for (i = 0, ndata = 0; i < len; i++, ndata += 2)
+ {
+ strdesc->data[ndata] = str[i];
+ strdesc->data[ndata+1] = 0;
+ }
+
+ strdesc->len = ndata+2;
+ strdesc->type = USB_DESC_TYPE_STRING;
+ return strdesc->len;
+#else
+ return -EINVAL;
+#endif
+}
+
+/****************************************************************************
+ * Name: cdcacm_getepdesc
+ *
+ * Description:
+ * Return a pointer to the raw device descriptor
+ *
+ ****************************************************************************/
+
+#ifndef CONFIG_CDCACM_COMPOSITE
+FAR const struct usb_devdesc_s *cdcacm_getdevdesc(void)
+{
+ return &g_devdesc;
+}
+#endif
+
+/****************************************************************************
+ * Name: cdcacm_getepdesc
+ *
+ * Description:
+ * Return a pointer to the raw endpoint struct (used for configuring
+ * endpoints)
+ *
+ ****************************************************************************/
+
+FAR const struct usb_epdesc_s *cdcacm_getepdesc(enum cdcacm_epdesc_e epid)
+{
+ switch (epid)
+ {
+ case CDCACM_EPINTIN: /* Interrupt IN endpoint */
+ return &g_epintindesc;
+
+ case CDCACM_EPBULKOUT: /* Bulk OUT endpoint */
+ return &g_epbulkoutdesc;
+
+ case CDCACM_EPBULKIN: /* Bulk IN endpoint */
+ return &g_epbulkindesc;
+
+ default:
+ return NULL;
+ }
+}
+
+/****************************************************************************
+ * Name: cdcacm_mkepdesc
+ *
+ * Description:
+ * Construct the endpoint descriptor using the correct max packet size.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_USBDEV_DUALSPEED
+void cdcacm_mkepdesc(num cdcacm_epdesc_e epid, uint16_t mxpacket,
+ FAR struct usb_epdesc_s *outdesc)
+{
+ FAR const struct usb_epdesc_s *indesc;
+
+ /* Copy the "canned" descriptor */
+
+ indesc = cdcacm_getepdesc(epid)
+ memcpy(outdesc, indesc, USB_SIZEOF_EPDESC);
+
+ /* Then add the correct max packet size */
+
+ outdesc->mxpacketsize[0] = LSBYTE(mxpacket);
+ outdesc->mxpacketsize[1] = MSBYTE(mxpacket);
+}
+#endif
+
+/****************************************************************************
+ * Name: cdcacm_mkcfgdesc
+ *
+ * Description:
+ * Construct the configuration descriptor
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_USBDEV_DUALSPEED
+int16_t cdcacm_mkcfgdesc(FAR uint8_t *buf, uint8_t speed, uint8_t type)
+#else
+int16_t cdcacm_mkcfgdesc(FAR uint8_t *buf)
+#endif
+{
+ FAR const struct cfgdecsc_group_s *group;
+ FAR uint8_t *dest = buf;
+ int i;
+
+#ifdef CONFIG_USBDEV_DUALSPEED
+ bool hispeed = (speed == USB_SPEED_HIGH);
+
+ /* Check for switches between high and full speed */
+
+ if (type == USB_DESC_TYPE_OTHERSPEEDCONFIG)
+ {
+ hispeed = !hispeed;
+ }
+#endif
+
+ /* Copy all of the descriptors in the group */
+
+ for (i = 0, dest = buf; i < CDCACM_CFGGROUP_SIZE; i++)
+ {
+ group = &g_cfggroup[i];
+
+ /* The "canned" descriptors all have full speed endpoint maxpacket
+ * sizes. If high speed is selected, we will have to change the
+ * endpoint maxpacket size.
+ *
+ * Is there a alternative high speed maxpacket size in the table?
+ * If so, that is sufficient proof that the descriptor that we
+ * just copied is an endpoint descriptor and needs the fixup
+ */
+
+#ifdef CONFIG_USBDEV_DUALSPEED
+ if (highspeed && group->hsepsize != 0)
+ {
+ cdcacm_mkepdesc(group->desc, group->hsepsize,
+ (FAR struct usb_epdesc_s*)dest);
+ }
+ else
+#endif
+ /* Copy the "canned" descriptor with the full speed max packet
+ * size
+ */
+
+ {
+ memcpy(dest, group->desc, group->descsize);
+ }
+
+ /* Advance to the destination location for the next descriptor */
+
+ dest += group->descsize;
+ }
+
+ return SIZEOF_CDCACM_CFGDESC;
+}
+
+/****************************************************************************
+ * Name: cdcacm_getqualdesc
+ *
+ * Description:
+ * Return a pointer to the raw qual descriptor
+ *
+ ****************************************************************************/
+
+#if !defined(CONFIG_CDCACM_COMPOSITE) && defined(CONFIG_USBDEV_DUALSPEED)
+FAR const struct usb_qualdesc_s *cdcacm_getqualdesc(void)
+{
+ return &g_qualdesc;
+}
+#endif