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Diffstat (limited to 'os/common/ext/TivaWare/inc/hw_types.h')
| -rw-r--r-- | os/common/ext/TivaWare/inc/hw_types.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/os/common/ext/TivaWare/inc/hw_types.h b/os/common/ext/TivaWare/inc/hw_types.h new file mode 100644 index 0000000..6312a28 --- /dev/null +++ b/os/common/ext/TivaWare/inc/hw_types.h @@ -0,0 +1,147 @@ +//***************************************************************************** +// +// hw_types.h - Common types and macros. +// +// Copyright (c) 2005-2016 Texas Instruments Incorporated. All rights reserved. +// Software License Agreement +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// +// Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// 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. +// +// Neither the name of Texas Instruments Incorporated 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. +// +// This is part of revision 2.1.3.156 of the Tiva Firmware Development Package. +// +//***************************************************************************** + +#ifndef __HW_TYPES_H__ +#define __HW_TYPES_H__ + +//***************************************************************************** +// +// Macros for hardware access, both direct and via the bit-band region. +// +//***************************************************************************** +#define HWREG(x) \ + (*((volatile uint32_t *)(x))) +#define HWREGH(x) \ + (*((volatile uint16_t *)(x))) +#define HWREGB(x) \ + (*((volatile uint8_t *)(x))) +#define HWREGBITW(x, b) \ + HWREG(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \ + (((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2)) +#define HWREGBITH(x, b) \ + HWREGH(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \ + (((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2)) +#define HWREGBITB(x, b) \ + HWREGB(((uint32_t)(x) & 0xF0000000) | 0x02000000 | \ + (((uint32_t)(x) & 0x000FFFFF) << 5) | ((b) << 2)) + +//***************************************************************************** +// +// Helper Macros for determining silicon revisions, etc. +// +// These macros will be used by Driverlib at "run-time" to create necessary +// conditional code blocks that will allow a single version of the Driverlib +// "binary" code to support multiple(all) Tiva silicon revisions. +// +// It is expected that these macros will be used inside of a standard 'C' +// conditional block of code, e.g. +// +// if(CLASS_IS_TM4C123) +// { +// do some TM4C123-class specific code here. +// } +// +// By default, these macros will be defined as run-time checks of the +// appropriate register(s) to allow creation of run-time conditional code +// blocks for a common DriverLib across the entire Tiva family. +// +// However, if code-space optimization is required, these macros can be "hard- +// coded" for a specific version of Tiva silicon. Many compilers will then +// detect the "hard-coded" conditionals, and appropriately optimize the code +// blocks, eliminating any "unreachable" code. This would result in a smaller +// Driverlib, thus producing a smaller final application size, but at the cost +// of limiting the Driverlib binary to a specific Tiva silicon revision. +// +//***************************************************************************** +#ifndef CLASS_IS_TM4C123 +#define CLASS_IS_TM4C123 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \ + (SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_TM4C123)) +#endif + +#ifndef CLASS_IS_TM4C129 +#define CLASS_IS_TM4C129 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_VER_M | SYSCTL_DID0_CLASS_M)) == \ + (SYSCTL_DID0_VER_1 | SYSCTL_DID0_CLASS_TM4C129)) +#endif + +#ifndef REVISION_IS_A0 +#define REVISION_IS_A0 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \ + (SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_0)) +#endif + +#ifndef REVISION_IS_A1 +#define REVISION_IS_A1 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \ + (SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_0)) +#endif + +#ifndef REVISION_IS_A2 +#define REVISION_IS_A2 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \ + (SYSCTL_DID0_MAJ_REVA | SYSCTL_DID0_MIN_2)) +#endif + +#ifndef REVISION_IS_B0 +#define REVISION_IS_B0 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \ + (SYSCTL_DID0_MAJ_REVB | SYSCTL_DID0_MIN_0)) +#endif + +#ifndef REVISION_IS_B1 +#define REVISION_IS_B1 \ + ((HWREG(SYSCTL_DID0) & (SYSCTL_DID0_MAJ_M | SYSCTL_DID0_MIN_M)) == \ + (SYSCTL_DID0_MAJ_REVB | SYSCTL_DID0_MIN_1)) +#endif + +//***************************************************************************** +// +// For TivaWare 2.1, we removed all references to Tiva IC codenames from the +// source. To ensure that existing customer code doesn't break as a result +// of this change, make sure that the old definitions are still available at +// least for the time being. +// +//***************************************************************************** +#ifndef DEPRECATED +#define CLASS_IS_BLIZZARD CLASS_IS_TM4C123 +#define CLASS_IS_SNOWFLAKE CLASS_IS_TM4C123 +#endif + +#endif // __HW_TYPES_H__ |