Mercurial > ecos-v3_0-branch
annotate packages/devs/usb/at91/current/src/bitops.h @ 2729:74dbf4c3f2e1 after-copyright-change-20090129
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
| author | jlarmour |
|---|---|
| date | Thu, 29 Jan 2009 17:47:46 +0000 |
| parents | 54308c2d9651 |
| children |
| rev | line source |
|---|---|
| 2184 | 1 #ifndef CYGONCE_USBS_AT91_BITOPS_H |
| 2 #define CYGONCE_USBS_AT91_BITOPS_H | |
| 3 | |
| 4 //========================================================================== | |
| 5 // | |
| 6 // bitops.h | |
| 7 // | |
| 8 // Hardware Bit manipulation macros for the AT91 USB device | |
| 9 // | |
| 10 //========================================================================== | |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
11 // ####ECOSGPLCOPYRIGHTBEGIN#### |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
12 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
13 // This file is part of eCos, the Embedded Configurable Operating System. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
14 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| 2184 | 15 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
16 // eCos is free software; you can redistribute it and/or modify it under |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
17 // the terms of the GNU General Public License as published by the Free |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
18 // Software Foundation; either version 2 or (at your option) any later |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
19 // version. |
| 2184 | 20 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
21 // eCos is distributed in the hope that it will be useful, but WITHOUT |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
22 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
23 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
24 // for more details. |
| 2184 | 25 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
26 // You should have received a copy of the GNU General Public License |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
27 // along with eCos; if not, write to the Free Software Foundation, Inc., |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
28 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 2184 | 29 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
30 // As a special exception, if other files instantiate templates or use |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
31 // macros or inline functions from this file, or you compile this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
32 // and link it with other works to produce a work based on this file, |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
33 // this file does not by itself cause the resulting work to be covered by |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
34 // the GNU General Public License. However the source code for this file |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
35 // must still be made available in accordance with section (3) of the GNU |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
36 // General Public License v2. |
| 2184 | 37 // |
|
2729
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
38 // This exception does not invalidate any other reasons why a work based |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
39 // on this file might be covered by the GNU General Public License. |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
40 // ------------------------------------------- |
|
74dbf4c3f2e1
Update all copyright banners to reflect FSF ownership; fix and improve licence text.
jlarmour
parents:
2184
diff
changeset
|
41 // ####ECOSGPLCOPYRIGHTEND#### |
| 2184 | 42 //========================================================================== |
| 43 //#####DESCRIPTIONBEGIN#### | |
| 44 // | |
| 45 // Author(s): Oliver Munz | |
| 46 // Contributors: bartv | |
| 47 // Date: 2006-02-22 | |
| 48 // | |
| 49 //####DESCRIPTIONEND#### | |
| 50 //========================================================================== | |
| 51 | |
| 52 // Set the given bits in a device register | |
| 53 #define SET_BITS(_register_, _bits_) \ | |
| 54 CYG_MACRO_START \ | |
| 55 cyg_uint32 _value_; \ | |
| 56 HAL_READ_UINT32(_register_, _value_); \ | |
| 57 _value_ |= _bits_; \ | |
| 58 HAL_WRITE_UINT32(_register_, _value_); \ | |
| 59 CYG_MACRO_END | |
| 60 | |
| 61 // Clear the given bits in a device register | |
| 62 #define CLEAR_BITS(_register_, _bits_) \ | |
| 63 CYG_MACRO_START \ | |
| 64 cyg_uint32 _value_; \ | |
| 65 HAL_READ_UINT32(_register_, _value_); \ | |
| 66 _value_ &= ~_bits_; \ | |
| 67 HAL_WRITE_UINT32(_register_, _value_); \ | |
| 68 CYG_MACRO_END | |
| 69 | |
| 70 #define BITS_ARE_SET(_register_, _bits) \ | |
| 71 bits_are_set(_register_, _bits) | |
| 72 | |
| 73 #define BITS_ARE_CLEARED(_register_, _bits) \ | |
| 74 bits_are_cleared(_register_, _bits) | |
| 75 | |
| 76 static inline cyg_bool | |
| 77 bits_are_set (cyg_addrword_t addr, cyg_uint32 bits) | |
| 78 { | |
| 79 cyg_uint32 read; | |
| 80 | |
| 81 HAL_READ_UINT32 (addr, read); | |
| 82 | |
| 83 return (read & bits) == bits; | |
| 84 } | |
| 85 | |
| 86 static inline cyg_bool | |
| 87 bits_are_cleared (cyg_addrword_t addr, cyg_uint32 bits) | |
| 88 { | |
| 89 cyg_uint32 read; | |
| 90 | |
| 91 HAL_READ_UINT32 (addr, read); | |
| 92 | |
| 93 return (read | ~bits) == ~bits; | |
| 94 } | |
| 95 | |
| 96 | |
| 97 #endif // CYGONCE_USBS_AT91_BITOPS_H | |
| 98 |
