154 lines
6.7 KiB
C
154 lines
6.7 KiB
C
//*****************************************************************************
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//
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// hw_types.h - Common types and macros.
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//
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// Copyright (c) 2005-2008 Luminary Micro, Inc. All rights reserved.
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//
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// Software License Agreement
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//
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// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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// exclusively on LMI's microcontroller products.
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//
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// The software is owned by LMI and/or its suppliers, and is protected under
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// applicable copyright laws. All rights are reserved. You may not combine
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// this software with "viral" open-source software in order to form a larger
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// program. Any use in violation of the foregoing restrictions may subject
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// the user to criminal sanctions under applicable laws, as well as to civil
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// liability for the breach of the terms and conditions of this license.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __HW_TYPES_H__
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#define __HW_TYPES_H__
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//*****************************************************************************
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//
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// Define a boolean type, and values for true and false.
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//
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//*****************************************************************************
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typedef unsigned char tBoolean;
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#ifndef true
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#define true 1
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#endif
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#ifndef false
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#define false 0
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#endif
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//*****************************************************************************
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//
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// Macros for hardware access, both direct and via the bit-band region.
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//
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//*****************************************************************************
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#define HWREG(x) \
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(*((volatile unsigned long *)(x)))
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#define HWREGH(x) \
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(*((volatile unsigned short *)(x)))
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#define HWREGB(x) \
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(*((volatile unsigned char *)(x)))
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#define HWREGBITW(x, b) \
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HWREG(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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#define HWREGBITH(x, b) \
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HWREGH(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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#define HWREGBITB(x, b) \
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HWREGB(((unsigned long)(x) & 0xF0000000) | 0x02000000 | \
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(((unsigned long)(x) & 0x000FFFFF) << 5) | ((b) << 2))
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//*****************************************************************************
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//
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// Helper Macros for determining silicon revisions, etc.
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//
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// These macros will be used by Driverlib at "run-time" to create necessary
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// conditional code blocks that will allow a single version of the Driverlib
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// "binary" code to support multiple(all) Stellaris silicon revisions.
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//
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// It is expected that these macros will be used inside of a standard 'C'
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// conditional block of code, e.g.
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//
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// if(CLASS_IS_SANDSTORM)
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// {
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// do some Sandstorm-class specific code here.
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// }
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//
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// By default, these macros will be defined as run-time checks of the
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// appropriate register(s) to allow creation of run-time conditional code
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// blocks for a common DriverLib across the entire Stellaris family.
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//
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// However, if code-space optimization is required, these macros can be "hard-
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// coded" for a specific version of Stellaris silicon. Many compilers will
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// then detect the "hard-coded" conditionals, and appropriately optimize the
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// code blocks, eliminating any "unreachable" code. This would result in
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// a smaller Driverlib, thus producing a smaller final application size, but
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// at the cost of limiting the Driverlib binary to a specific Stellaris
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// silicon revision.
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//
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//*****************************************************************************
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#ifndef CLASS_IS_SANDSTORM
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#define CLASS_IS_SANDSTORM \
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(((HWREG(SYSCTL_DID0) & SYSCTL_DID0_VER_M) == SYSCTL_DID0_VER_0) || \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \
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(SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_SANDSTORM)))
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#endif
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#ifndef CLASS_IS_FURY
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#define CLASS_IS_FURY \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \
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(SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_FURY))
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#endif
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#ifndef CLASS_IS_DUSTDEVIL
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#define CLASS_IS_DUSTDEVIL \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \
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(SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_DUSTDEVIL))
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#endif
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#ifndef REVISION_IS_A0
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#define REVISION_IS_A0 \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
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(SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_0))
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#endif
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#ifndef REVISION_IS_A2
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#define REVISION_IS_A2 \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
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(SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_2))
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#endif
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#ifndef REVISION_IS_C1
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#define REVISION_IS_C1 \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
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(SYSCTL_DID0_MAJ_REVC | SYSCTL_DID0_MIN_1))
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#endif
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#ifndef REVISION_IS_C2
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#define REVISION_IS_C2 \
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((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \
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(SYSCTL_DID0_MAJ_REVC | SYSCTL_DID0_MIN_2))
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#endif
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//*****************************************************************************
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//
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// Deprecated silicon class and revision detection macros.
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//
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//*****************************************************************************
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#ifndef DEPRECATED
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#define DEVICE_IS_SANDSTORM CLASS_IS_SANDSTORM
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#define DEVICE_IS_FURY CLASS_IS_FURY
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#define DEVICE_IS_REVA2 REVISION_IS_A2
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#define DEVICE_IS_REVC1 REVISION_IS_C1
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#define DEVICE_IS_REVC2 REVISION_IS_C2
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#endif
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#endif // __HW_TYPES_H__
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