2020 May 30 Breaking Changes Update (#9215)

* Branch point for 2020 May 30 Breaking Change

* Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954)

* Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957)

* Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958)

* Migrate `ACTION_LAYER_MODS` to `LM()` (#8959)

* Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968)

* Convert V-USB usbdrv to a submodule (#8321)

* Unify Tap Hold functions and documentation (#8348)

* Changing board names to prevent confusion (#8412)

* Move the Keyboardio Model01 to a keyboardio/ subdir (#8499)

* Move spaceman keyboards (#8830)

* Migrate miscellaneous `fn_actions` entries (#8977)

* Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979)

* Organizing my keyboards (plaid, tartan, ergoinu) (#8537)

* Refactor Lily58 to use split_common (#6260)

* Refactor zinc to use split_common (#7114)

* Add a message if bin/qmk doesn't work (#9000)

* Fix conflicting types for 'tfp_printf' (#8269)

* Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480)

* Refactor and updates to TKC1800 code (#8472)

* Switch to qmk forks for everything (#9019)

* audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484)

* Audio enable corrections (2/3) (#8903)

* Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582)

* Audio enable corrections (Part 4) (#8974)

* Fix typo from PR7114 (#9171)

* Augment future branch Changelogs (#8978)

* Revert "Branch point for 2020 May 30 Breaking Change"

1 files changed, 0 insertions, 622 deletions

diff --git a/tmk_core/protocol/vusb/usbdrv/usbdrv.c b/tmk_core/protocol/vusb/usbdrv/usbdrv.c
deleted file mode 100644
index f69198b1b9..0000000000
--- a/tmk_core/protocol/vusb/usbdrv/usbdrv.c
+++ /dev/null
@@ -1,622 +0,0 @@
-/* Name: usbdrv.c
- * Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
- * Author: Christian Starkjohann
- * Creation Date: 2004-12-29
- * Tabsize: 4
- * Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
- * License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
- * This Revision: $Id: usbdrv.c 791 2010-07-15 15:56:13Z cs $
- */
-
-#include "usbportability.h"
-#include "usbdrv.h"
-#include "oddebug.h"
-
-/*
-General Description:
-This module implements the C-part of the USB driver. See usbdrv.h for a
-documentation of the entire driver.
-*/
-
-/* ------------------------------------------------------------------------- */
-
-/* raw USB registers / interface to assembler code: */
-uchar          usbRxBuf[2 * USB_BUFSIZE]; /* raw RX buffer: PID, 8 bytes data, 2 bytes CRC */
-uchar          usbInputBufOffset;         /* offset in usbRxBuf used for low level receiving */
-uchar          usbDeviceAddr;             /* assigned during enumeration, defaults to 0 */
-uchar          usbNewDeviceAddr;          /* device ID which should be set after status phase */
-uchar          usbConfiguration;          /* currently selected configuration. Administered by driver, but not used */
-volatile schar usbRxLen;                  /* = 0; number of bytes in usbRxBuf; 0 means free, -1 for flow control */
-uchar          usbCurrentTok;             /* last token received or endpoint number for last OUT token if != 0 */
-uchar          usbRxToken;                /* token for data we received; or endpont number for last OUT */
-volatile uchar usbTxLen = USBPID_NAK;     /* number of bytes to transmit with next IN token or handshake token */
-uchar          usbTxBuf[USB_BUFSIZE];     /* data to transmit with next IN, free if usbTxLen contains handshake token */
-#if USB_COUNT_SOF
-volatile uchar usbSofCount; /* incremented by assembler module every SOF */
-#endif
-#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
-usbTxStatus_t usbTxStatus1;
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3
-usbTxStatus_t usbTxStatus3;
-#    endif
-#endif
-#if USB_CFG_CHECK_DATA_TOGGLING
-uchar usbCurrentDataToken; /* when we check data toggling to ignore duplicate packets */
-#endif
-
-/* USB status registers / not shared with asm code */
-uchar *            usbMsgPtr;              /* data to transmit next -- ROM or RAM address */
-static usbMsgLen_t usbMsgLen = USB_NO_MSG; /* remaining number of bytes */
-static uchar       usbMsgFlags;            /* flag values see below */
-
-#define USB_FLG_MSGPTR_IS_ROM (1 << 6)
-#define USB_FLG_USE_USER_RW (1 << 7)
-
-/*
-optimizing hints:
-- do not post/pre inc/dec integer values in operations
-- assign value of USB_READ_FLASH() to register variables and don't use side effects in arg
-- use narrow scope for variables which should be in X/Y/Z register
-- assign char sized expressions to variables to force 8 bit arithmetics
-*/
-
-/* -------------------------- String Descriptors --------------------------- */
-
-#if USB_CFG_DESCR_PROPS_STRINGS == 0
-
-#    if USB_CFG_DESCR_PROPS_STRING_0 == 0
-#        undef USB_CFG_DESCR_PROPS_STRING_0
-#        define USB_CFG_DESCR_PROPS_STRING_0 sizeof(usbDescriptorString0)
-const PROGMEM char usbDescriptorString0[] = {
-    /* language descriptor */
-    4,          /* sizeof(usbDescriptorString0): length of descriptor in bytes */
-    3,          /* descriptor type */
-    0x09, 0x04, /* language index (0x0409 = US-English) */
-};
-#    endif
-
-#    if USB_CFG_DESCR_PROPS_STRING_VENDOR == 0 && USB_CFG_VENDOR_NAME_LEN
-#        undef USB_CFG_DESCR_PROPS_STRING_VENDOR
-#        define USB_CFG_DESCR_PROPS_STRING_VENDOR sizeof(usbDescriptorStringVendor)
-const PROGMEM int usbDescriptorStringVendor[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_VENDOR_NAME_LEN), USB_CFG_VENDOR_NAME};
-#    endif
-
-#    if USB_CFG_DESCR_PROPS_STRING_PRODUCT == 0 && USB_CFG_DEVICE_NAME_LEN
-#        undef USB_CFG_DESCR_PROPS_STRING_PRODUCT
-#        define USB_CFG_DESCR_PROPS_STRING_PRODUCT sizeof(usbDescriptorStringDevice)
-const PROGMEM int usbDescriptorStringDevice[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_DEVICE_NAME_LEN), USB_CFG_DEVICE_NAME};
-#    endif
-
-#    if USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER == 0 && USB_CFG_SERIAL_NUMBER_LEN
-#        undef USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
-#        define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER sizeof(usbDescriptorStringSerialNumber)
-const PROGMEM int usbDescriptorStringSerialNumber[] = {USB_STRING_DESCRIPTOR_HEADER(USB_CFG_SERIAL_NUMBER_LEN), USB_CFG_SERIAL_NUMBER};
-#    endif
-
-#endif /* USB_CFG_DESCR_PROPS_STRINGS == 0 */
-
-/* --------------------------- Device Descriptor --------------------------- */
-
-#if USB_CFG_DESCR_PROPS_DEVICE == 0
-#    undef USB_CFG_DESCR_PROPS_DEVICE
-#    define USB_CFG_DESCR_PROPS_DEVICE sizeof(usbDescriptorDevice)
-const PROGMEM char usbDescriptorDevice[] = {
-    /* USB device descriptor */
-    18,                                               /* sizeof(usbDescriptorDevice): length of descriptor in bytes */
-    USBDESCR_DEVICE,                                  /* descriptor type */
-    0x10, 0x01,                                       /* USB version supported */
-    USB_CFG_DEVICE_CLASS, USB_CFG_DEVICE_SUBCLASS, 0, /* protocol */
-    8,                                                /* max packet size */
-    /* the following two casts affect the first byte of the constant only, but
-     * that's sufficient to avoid a warning with the default values.
-     */
-    (char)USB_CFG_VENDOR_ID,                               /* 2 bytes */
-    (char)USB_CFG_DEVICE_ID,                               /* 2 bytes */
-    USB_CFG_DEVICE_VERSION,                                /* 2 bytes */
-    USB_CFG_DESCR_PROPS_STRING_VENDOR != 0 ? 1 : 0,        /* manufacturer string index */
-    USB_CFG_DESCR_PROPS_STRING_PRODUCT != 0 ? 2 : 0,       /* product string index */
-    USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER != 0 ? 3 : 0, /* serial number string index */
-    1,                                                     /* number of configurations */
-};
-#endif
-
-/* ----------------------- Configuration Descriptor ------------------------ */
-
-#if USB_CFG_DESCR_PROPS_HID_REPORT != 0 && USB_CFG_DESCR_PROPS_HID == 0
-#    undef USB_CFG_DESCR_PROPS_HID
-#    define USB_CFG_DESCR_PROPS_HID 9 /* length of HID descriptor in config descriptor below */
-#endif
-
-#if USB_CFG_DESCR_PROPS_CONFIGURATION == 0
-#    undef USB_CFG_DESCR_PROPS_CONFIGURATION
-#    define USB_CFG_DESCR_PROPS_CONFIGURATION sizeof(usbDescriptorConfiguration)
-PROGMEM char usbDescriptorConfiguration[] = {
-    /* USB configuration descriptor */
-    9,               /* sizeof(usbDescriptorConfiguration): length of descriptor in bytes */
-    USBDESCR_CONFIG, /* descriptor type */
-    18 + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT + 7 * USB_CFG_HAVE_INTRIN_ENDPOINT3 + (USB_CFG_DESCR_PROPS_HID & 0xff), 0,
-    /* total length of data returned (including inlined descriptors) */
-    1, /* number of interfaces in this configuration */
-    1, /* index of this configuration */
-    0, /* configuration name string index */
-#    if USB_CFG_IS_SELF_POWERED
-    (1 << 7) | USBATTR_SELFPOWER, /* attributes */
-#    else
-    (1 << 7), /* attributes */
-#    endif
-    USB_CFG_MAX_BUS_POWER / 2,                                                          /* max USB current in 2mA units */
-                                                                                        /* interface descriptor follows inline: */
-    9,                                                                                  /* sizeof(usbDescrInterface): length of descriptor in bytes */
-    USBDESCR_INTERFACE,                                                                 /* descriptor type */
-    0,                                                                                  /* index of this interface */
-    0,                                                                                  /* alternate setting for this interface */
-    USB_CFG_HAVE_INTRIN_ENDPOINT + USB_CFG_HAVE_INTRIN_ENDPOINT3,                       /* endpoints excl 0: number of endpoint descriptors to follow */
-    USB_CFG_INTERFACE_CLASS, USB_CFG_INTERFACE_SUBCLASS, USB_CFG_INTERFACE_PROTOCOL, 0, /* string index for interface */
-#    if (USB_CFG_DESCR_PROPS_HID & 0xff)                                                /* HID descriptor */
-    9,                                                                                  /* sizeof(usbDescrHID): length of descriptor in bytes */
-    USBDESCR_HID,                                                                       /* descriptor type: HID */
-    0x01, 0x01,                                                                         /* BCD representation of HID version */
-    0x00,                                                                               /* target country code */
-    0x01,                                                                               /* number of HID Report (or other HID class) Descriptor infos to follow */
-    0x22,                                                                               /* descriptor type: report */
-    USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH, 0,                                            /* total length of report descriptor */
-#    endif
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT /* endpoint descriptor for endpoint 1 */
-    7,                               /* sizeof(usbDescrEndpoint) */
-    USBDESCR_ENDPOINT,               /* descriptor type = endpoint */
-    (char)0x81,                      /* IN endpoint number 1 */
-    0x03,                            /* attrib: Interrupt endpoint */
-    8, 0,                            /* maximum packet size */
-    USB_CFG_INTR_POLL_INTERVAL,      /* in ms */
-#    endif
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3  /* endpoint descriptor for endpoint 3 */
-    7,                                 /* sizeof(usbDescrEndpoint) */
-    USBDESCR_ENDPOINT,                 /* descriptor type = endpoint */
-    (char)(0x80 | USB_CFG_EP3_NUMBER), /* IN endpoint number 3 */
-    0x03,                              /* attrib: Interrupt endpoint */
-    8, 0,                              /* maximum packet size */
-    USB_CFG_INTR_POLL_INTERVAL,        /* in ms */
-#    endif
-};
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-static inline void usbResetDataToggling(void) {
-#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
-    USB_SET_DATATOKEN1(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3
-    USB_SET_DATATOKEN3(USB_INITIAL_DATATOKEN); /* reset data toggling for interrupt endpoint */
-#    endif
-#endif
-}
-
-static inline void usbResetStall(void) {
-#if USB_CFG_IMPLEMENT_HALT && USB_CFG_HAVE_INTRIN_ENDPOINT
-    usbTxLen1 = USBPID_NAK;
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3
-    usbTxLen3 = USBPID_NAK;
-#    endif
-#endif
-}
-
-/* ------------------------------------------------------------------------- */
-
-#if !USB_CFG_SUPPRESS_INTR_CODE
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT
-static void usbGenericSetInterrupt(uchar *data, uchar len, usbTxStatus_t *txStatus) {
-    uchar *p;
-    char   i;
-
-#        if USB_CFG_IMPLEMENT_HALT
-    if (usbTxLen1 == USBPID_STALL) return;
-#        endif
-    if (txStatus->len & 0x10) {                             /* packet buffer was empty */
-        txStatus->buffer[0] ^= USBPID_DATA0 ^ USBPID_DATA1; /* toggle token */
-    } else {
-        txStatus->len = USBPID_NAK; /* avoid sending outdated (overwritten) interrupt data */
-    }
-    p = txStatus->buffer + 1;
-    i = len;
-    do { /* if len == 0, we still copy 1 byte, but that's no problem */
-        *p++ = *data++;
-    } while (--i > 0); /* loop control at the end is 2 bytes shorter than at beginning */
-    usbCrc16Append(&txStatus->buffer[1], len);
-    txStatus->len = len + 4; /* len must be given including sync byte */
-    DBG2(0x21 + (((int)txStatus >> 3) & 3), txStatus->buffer, len + 3);
-}
-
-USB_PUBLIC void usbSetInterrupt(uchar *data, uchar len) { usbGenericSetInterrupt(data, len, &usbTxStatus1); }
-#    endif
-
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3
-USB_PUBLIC void usbSetInterrupt3(uchar *data, uchar len) { usbGenericSetInterrupt(data, len, &usbTxStatus3); }
-#    endif
-#endif /* USB_CFG_SUPPRESS_INTR_CODE */
-
-/* ------------------ utilities for code following below ------------------- */
-
-/* Use defines for the switch statement so that we can choose between an
- * if()else if() and a switch/case based implementation. switch() is more
- * efficient for a LARGE set of sequential choices, if() is better in all other
- * cases.
- */
-#if USB_CFG_USE_SWITCH_STATEMENT
-#    define SWITCH_START(cmd) \
-        switch (cmd) {        \
-            {
-#    define SWITCH_CASE(value) \
-        }                      \
-        break;                 \
-        case (value): {
-#    define SWITCH_CASE2(v1, v2) \
-        }                        \
-        break;                   \
-        case (v1):               \
-        case (v2): {
-#    define SWITCH_CASE3(v1, v2, v3) \
-        }                            \
-        break;                       \
-        case (v1):                   \
-        case (v2):                   \
-        case (v3): {
-#    define SWITCH_DEFAULT \
-        }                  \
-        break;             \
-        default: {
-#    define SWITCH_END \
-        }              \
-        }
-#else
-#    define SWITCH_START(cmd) \
-        {                     \
-            uchar _cmd = cmd; \
-            if (0) {
-#    define SWITCH_CASE(value) \
-        }                      \
-        else if (_cmd == (value)) {
-#    define SWITCH_CASE2(v1, v2) \
-        }                        \
-        else if (_cmd == (v1) || _cmd == (v2)) {
-#    define SWITCH_CASE3(v1, v2, v3) \
-        }                            \
-        else if (_cmd == (v1) || _cmd == (v2) || (_cmd == v3)) {
-#    define SWITCH_DEFAULT \
-        }                  \
-        else {
-#    define SWITCH_END \
-        }              \
-        }
-#endif
-
-#ifndef USB_RX_USER_HOOK
-#    define USB_RX_USER_HOOK(data, len)
-#endif
-#ifndef USB_SET_ADDRESS_HOOK
-#    define USB_SET_ADDRESS_HOOK()
-#endif
-
-/* ------------------------------------------------------------------------- */
-
-/* We use if() instead of #if in the macro below because #if can't be used
- * in macros and the compiler optimizes constant conditions anyway.
- * This may cause problems with undefined symbols if compiled without
- * optimizing!
- */
-#define GET_DESCRIPTOR(cfgProp, staticName)       \
-    if (cfgProp) {                                \
-        if ((cfgProp)&USB_PROP_IS_RAM) flags = 0; \
-        if ((cfgProp)&USB_PROP_IS_DYNAMIC) {      \
-            len = usbFunctionDescriptor(rq);      \
-        } else {                                  \
-            len       = USB_PROP_LENGTH(cfgProp); \
-            usbMsgPtr = (uchar *)(staticName);    \
-        }                                         \
-    }
-
-/* usbDriverDescriptor() is similar to usbFunctionDescriptor(), but used
- * internally for all types of descriptors.
- */
-static inline usbMsgLen_t usbDriverDescriptor(usbRequest_t *rq) {
-    usbMsgLen_t len   = 0;
-    uchar       flags = USB_FLG_MSGPTR_IS_ROM;
-
-    SWITCH_START(rq->wValue.bytes[1])
-    SWITCH_CASE(USBDESCR_DEVICE) /* 1 */
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_DEVICE, usbDescriptorDevice)
-    SWITCH_CASE(USBDESCR_CONFIG) /* 2 */
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_CONFIGURATION, usbDescriptorConfiguration)
-    SWITCH_CASE(USBDESCR_STRING) /* 3 */
-#if USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC
-    if (USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_RAM) flags = 0;
-    len = usbFunctionDescriptor(rq);
-#else                              /* USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC */
-    SWITCH_START(rq->wValue.bytes[0])
-    SWITCH_CASE(0)
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_0, usbDescriptorString0)
-    SWITCH_CASE(1)
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_VENDOR, usbDescriptorStringVendor)
-    SWITCH_CASE(2)
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_PRODUCT, usbDescriptorStringDevice)
-    SWITCH_CASE(3)
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER, usbDescriptorStringSerialNumber)
-    SWITCH_DEFAULT
-    if (USB_CFG_DESCR_PROPS_UNKNOWN & USB_PROP_IS_DYNAMIC) {
-        len = usbFunctionDescriptor(rq);
-    }
-    SWITCH_END
-#endif                             /* USB_CFG_DESCR_PROPS_STRINGS & USB_PROP_IS_DYNAMIC */
-#if USB_CFG_DESCR_PROPS_HID_REPORT /* only support HID descriptors if enabled */
-    SWITCH_CASE(USBDESCR_HID)      /* 0x21 */
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_HID, usbDescriptorConfiguration + 18)
-    SWITCH_CASE(USBDESCR_HID_REPORT) /* 0x22 */
-    GET_DESCRIPTOR(USB_CFG_DESCR_PROPS_HID_REPORT, usbDescriptorHidReport)
-#endif
-    SWITCH_DEFAULT
-    if (USB_CFG_DESCR_PROPS_UNKNOWN & USB_PROP_IS_DYNAMIC) {
-        len = usbFunctionDescriptor(rq);
-    }
-    SWITCH_END
-    usbMsgFlags = flags;
-    return len;
-}
-
-/* ------------------------------------------------------------------------- */
-
-/* usbDriverSetup() is similar to usbFunctionSetup(), but it's used for
- * standard requests instead of class and custom requests.
- */
-static inline usbMsgLen_t usbDriverSetup(usbRequest_t *rq) {
-    uchar len = 0, *dataPtr = usbTxBuf + 9; /* there are 2 bytes free space at the end of the buffer */
-    uchar value = rq->wValue.bytes[0];
-#if USB_CFG_IMPLEMENT_HALT
-    uchar index = rq->wIndex.bytes[0];
-#endif
-
-    dataPtr[0] = 0; /* default reply common to USBRQ_GET_STATUS and USBRQ_GET_INTERFACE */
-    SWITCH_START(rq->bRequest)
-    SWITCH_CASE(USBRQ_GET_STATUS)                          /* 0 */
-    uchar recipient = rq->bmRequestType & USBRQ_RCPT_MASK; /* assign arith ops to variables to enforce byte size */
-    if (USB_CFG_IS_SELF_POWERED && recipient == USBRQ_RCPT_DEVICE) dataPtr[0] = USB_CFG_IS_SELF_POWERED;
-#if USB_CFG_IMPLEMENT_HALT
-    if (recipient == USBRQ_RCPT_ENDPOINT && index == 0x81) /* request status for endpoint 1 */
-        dataPtr[0] = usbTxLen1 == USBPID_STALL;
-#endif
-    dataPtr[1] = 0;
-    len        = 2;
-#if USB_CFG_IMPLEMENT_HALT
-    SWITCH_CASE2(USBRQ_CLEAR_FEATURE, USBRQ_SET_FEATURE) /* 1, 3 */
-    if (value == 0 && index == 0x81) {                   /* feature 0 == HALT for endpoint == 1 */
-        usbTxLen1 = rq->bRequest == USBRQ_CLEAR_FEATURE ? USBPID_NAK : USBPID_STALL;
-        usbResetDataToggling();
-    }
-#endif
-    SWITCH_CASE(USBRQ_SET_ADDRESS) /* 5 */
-    usbNewDeviceAddr = value;
-    USB_SET_ADDRESS_HOOK();
-    SWITCH_CASE(USBRQ_GET_DESCRIPTOR) /* 6 */
-    len = usbDriverDescriptor(rq);
-    goto skipMsgPtrAssignment;
-    SWITCH_CASE(USBRQ_GET_CONFIGURATION) /* 8 */
-    dataPtr = &usbConfiguration;         /* send current configuration value */
-    len     = 1;
-    SWITCH_CASE(USBRQ_SET_CONFIGURATION) /* 9 */
-    usbConfiguration = value;
-    usbResetStall();
-    SWITCH_CASE(USBRQ_GET_INTERFACE) /* 10 */
-    len = 1;
-#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
-    SWITCH_CASE(USBRQ_SET_INTERFACE) /* 11 */
-    usbResetDataToggling();
-    usbResetStall();
-#endif
-    SWITCH_DEFAULT /* 7=SET_DESCRIPTOR, 12=SYNC_FRAME */
-        /* Should we add an optional hook here? */
-        SWITCH_END usbMsgPtr = dataPtr;
-skipMsgPtrAssignment:
-    return len;
-}
-
-/* ------------------------------------------------------------------------- */
-
-/* usbProcessRx() is called for every message received by the interrupt
- * routine. It distinguishes between SETUP and DATA packets and processes
- * them accordingly.
- */
-static inline void usbProcessRx(uchar *data, uchar len) {
-    usbRequest_t *rq = (void *)data;
-
-    /* usbRxToken can be:
-     * 0x2d 00101101 (USBPID_SETUP for setup data)
-     * 0xe1 11100001 (USBPID_OUT: data phase of setup transfer)
-     * 0...0x0f for OUT on endpoint X
-     */
-    DBG2(0x10 + (usbRxToken & 0xf), data, len + 2); /* SETUP=1d, SETUP-DATA=11, OUTx=1x */
-    USB_RX_USER_HOOK(data, len)
-#if USB_CFG_IMPLEMENT_FN_WRITEOUT
-    if (usbRxToken < 0x10) { /* OUT to endpoint != 0: endpoint number in usbRxToken */
-        usbFunctionWriteOut(data, len);
-        return;
-    }
-#endif
-    if (usbRxToken == (uchar)USBPID_SETUP) {
-        if (len != 8) /* Setup size must be always 8 bytes. Ignore otherwise. */
-            return;
-        usbMsgLen_t replyLen;
-        usbTxBuf[0] = USBPID_DATA0; /* initialize data toggling */
-        usbTxLen    = USBPID_NAK;   /* abort pending transmit */
-        usbMsgFlags = 0;
-        uchar type  = rq->bmRequestType & USBRQ_TYPE_MASK;
-        if (type != USBRQ_TYPE_STANDARD) { /* standard requests are handled by driver */
-            replyLen = usbFunctionSetup(data);
-        } else {
-            replyLen = usbDriverSetup(rq);
-        }
-#if USB_CFG_IMPLEMENT_FN_READ || USB_CFG_IMPLEMENT_FN_WRITE
-        if (replyLen == USB_NO_MSG) { /* use user-supplied read/write function */
-            /* do some conditioning on replyLen, but on IN transfers only */
-            if ((rq->bmRequestType & USBRQ_DIR_MASK) != USBRQ_DIR_HOST_TO_DEVICE) {
-                if (sizeof(replyLen) < sizeof(rq->wLength.word)) { /* help compiler with optimizing */
-                    replyLen = rq->wLength.bytes[0];
-                } else {
-                    replyLen = rq->wLength.word;
-                }
-            }
-            usbMsgFlags = USB_FLG_USE_USER_RW;
-        } else /* The 'else' prevents that we limit a replyLen of USB_NO_MSG to the maximum transfer len. */
-#endif
-            if (sizeof(replyLen) < sizeof(rq->wLength.word)) {            /* help compiler with optimizing */
-            if (!rq->wLength.bytes[1] && replyLen > rq->wLength.bytes[0]) /* limit length to max */
-                replyLen = rq->wLength.bytes[0];
-        } else {
-            if (replyLen > rq->wLength.word) /* limit length to max */
-                replyLen = rq->wLength.word;
-        }
-        usbMsgLen = replyLen;
-    } else { /* usbRxToken must be USBPID_OUT, which means data phase of setup (control-out) */
-#if USB_CFG_IMPLEMENT_FN_WRITE
-        if (usbMsgFlags & USB_FLG_USE_USER_RW) {
-            uchar rval = usbFunctionWrite(data, len);
-            if (rval == 0xff) { /* an error occurred */
-                usbTxLen = USBPID_STALL;
-            } else if (rval != 0) { /* This was the final package */
-                usbMsgLen = 0;      /* answer with a zero-sized data packet */
-            }
-        }
-#endif
-    }
-}
-
-/* ------------------------------------------------------------------------- */
-
-/* This function is similar to usbFunctionRead(), but it's also called for
- * data handled automatically by the driver (e.g. descriptor reads).
- */
-static uchar usbDeviceRead(uchar *data, uchar len) {
-    if (len > 0) { /* don't bother app with 0 sized reads */
-#if USB_CFG_IMPLEMENT_FN_READ
-        if (usbMsgFlags & USB_FLG_USE_USER_RW) {
-            len = usbFunctionRead(data, len);
-        } else
-#endif
-        {
-            uchar i = len, *r = usbMsgPtr;
-            if (usbMsgFlags & USB_FLG_MSGPTR_IS_ROM) { /* ROM data */
-                do {
-                    uchar c = USB_READ_FLASH(r); /* assign to char size variable to enforce byte ops */
-                    *data++ = c;
-                    r++;
-                } while (--i);
-            } else { /* RAM data */
-                do {
-                    *data++ = *r++;
-                } while (--i);
-            }
-            usbMsgPtr = r;
-        }
-    }
-    return len;
-}
-
-/* ------------------------------------------------------------------------- */
-
-/* usbBuildTxBlock() is called when we have data to transmit and the
- * interrupt routine's transmit buffer is empty.
- */
-static inline void usbBuildTxBlock(void) {
-    usbMsgLen_t wantLen;
-    uchar       len;
-
-    wantLen = usbMsgLen;
-    if (wantLen > 8) wantLen = 8;
-    usbMsgLen -= wantLen;
-    usbTxBuf[0] ^= USBPID_DATA0 ^ USBPID_DATA1; /* DATA toggling */
-    len = usbDeviceRead(usbTxBuf + 1, wantLen);
-    if (len <= 8) { /* valid data packet */
-        usbCrc16Append(&usbTxBuf[1], len);
-        len += 4;     /* length including sync byte */
-        if (len < 12) /* a partial package identifies end of message */
-            usbMsgLen = USB_NO_MSG;
-    } else {
-        len       = USBPID_STALL; /* stall the endpoint */
-        usbMsgLen = USB_NO_MSG;
-    }
-    usbTxLen = len;
-    DBG2(0x20, usbTxBuf, len - 1);
-}
-
-/* ------------------------------------------------------------------------- */
-
-static inline void usbHandleResetHook(uchar notResetState) {
-#ifdef USB_RESET_HOOK
-    static uchar wasReset;
-    uchar        isReset = !notResetState;
-
-    if (wasReset != isReset) {
-        USB_RESET_HOOK(isReset);
-        wasReset = isReset;
-    }
-#endif
-}
-
-/* ------------------------------------------------------------------------- */
-
-USB_PUBLIC void usbPoll(void) {
-    schar len;
-    uchar i;
-
-    len = usbRxLen - 3;
-    if (len >= 0) {
-        /* We could check CRC16 here -- but ACK has already been sent anyway. If you
-         * need data integrity checks with this driver, check the CRC in your app
-         * code and report errors back to the host. Since the ACK was already sent,
-         * retries must be handled on application level.
-         * unsigned crc = usbCrc16(buffer + 1, usbRxLen - 3);
-         */
-        usbProcessRx(usbRxBuf + USB_BUFSIZE + 1 - usbInputBufOffset, len);
-#if USB_CFG_HAVE_FLOWCONTROL
-        if (usbRxLen > 0) /* only mark as available if not inactivated */
-            usbRxLen = 0;
-#else
-        usbRxLen = 0; /* mark rx buffer as available */
-#endif
-    }
-    if (usbTxLen & 0x10) {             /* transmit system idle */
-        if (usbMsgLen != USB_NO_MSG) { /* transmit data pending? */
-            usbBuildTxBlock();
-        }
-    }
-    for (i = 20; i > 0; i--) {
-        uchar usbLineStatus = USBIN & USBMASK;
-        if (usbLineStatus != 0) /* SE0 has ended */
-            goto isNotReset;
-    }
-    /* RESET condition, called multiple times during reset */
-    usbNewDeviceAddr = 0;
-    usbDeviceAddr    = 0;
-    usbResetStall();
-    DBG1(0xff, 0, 0);
-isNotReset:
-    usbHandleResetHook(i);
-}
-
-/* ------------------------------------------------------------------------- */
-
-USB_PUBLIC void usbInit(void) {
-#if USB_INTR_CFG_SET != 0
-    USB_INTR_CFG |= USB_INTR_CFG_SET;
-#endif
-#if USB_INTR_CFG_CLR != 0
-    USB_INTR_CFG &= ~(USB_INTR_CFG_CLR);
-#endif
-    USB_INTR_ENABLE |= (1 << USB_INTR_ENABLE_BIT);
-    usbResetDataToggling();
-#if USB_CFG_HAVE_INTRIN_ENDPOINT && !USB_CFG_SUPPRESS_INTR_CODE
-    usbTxLen1 = USBPID_NAK;
-#    if USB_CFG_HAVE_INTRIN_ENDPOINT3
-    usbTxLen3 = USBPID_NAK;
-#    endif
-#endif
-}
-
-/* ------------------------------------------------------------------------- */