| /* |
| ** ################################################################### |
| ** Version: rev. 1.2, 2015-05-07 |
| ** Build: b150513 |
| ** |
| ** Abstract: |
| ** Register bit field access macros. |
| ** |
| ** Copyright (c) 2015 Freescale Semiconductor, Inc. |
| ** All rights reserved. |
| ** |
| ** Redistribution and use in source and binary forms, with or without modification, |
| ** are permitted provided that the following conditions are met: |
| ** |
| ** o Redistributions of source code must retain the above copyright notice, this list |
| ** of conditions and the following disclaimer. |
| ** |
| ** o 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. |
| ** |
| ** o Neither the name of Freescale Semiconductor, Inc. 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 HOLDER 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. |
| ** |
| ** http: www.freescale.com |
| ** mail: support@freescale.com |
| ** |
| ** Revisions: |
| ** - rev. 1.0 (2014-07-17) |
| ** Initial version. |
| ** - rev. 1.1 (2015-03-05) |
| ** Update with reference manual rev 1.0 |
| ** - rev. 1.2 (2015-05-07) |
| ** Update with reference manual rev 1.1 |
| ** |
| ** ################################################################### |
| */ |
| |
| #ifndef _FSL_BITACCESS_H |
| #define _FSL_BITACCESS_H 1 |
| |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| #define BME_AND_MASK (1<<26) |
| #define BME_OR_MASK (1<<27) |
| #define BME_XOR_MASK (3<<26) |
| #define BME_BFI_MASK(BIT,WIDTH) (1<<28) | (BIT<<23) | ((WIDTH-1)<<19) |
| #define BME_UBFX_MASK(BIT,WIDTH) (1<<28) | (BIT<<23) | ((WIDTH-1)<<19) |
| |
| /* Decorated Store: Logical AND */ |
| #define BME_AND8(addr, wdata) (*(volatile uint8_t*)((uintptr_t)addr | BME_AND_MASK) = wdata) |
| #define BME_AND16(addr, wdata) (*(volatile uint16_t*)((uintptr_t)addr | BME_AND_MASK) = wdata) |
| #define BME_AND32(addr, wdata) (*(volatile uint32_t*)((uintptr_t)addr | BME_AND_MASK) = wdata) |
| |
| /* Decorated Store: Logical OR */ |
| #define BME_OR8(addr, wdata) (*(volatile uint8_t*)((uintptr_t)addr | BME_OR_MASK) = wdata) |
| #define BME_OR16(addr, wdata) (*(volatile uint16_t*)((uintptr_t)addr | BME_OR_MASK) = wdata) |
| #define BME_OR32(addr, wdata) (*(volatile uint32_t*)((uintptr_t)addr | BME_OR_MASK) = wdata) |
| |
| /* Decorated Store: Logical XOR */ |
| #define BME_XOR8(addr, wdata) (*(volatile uint8_t*)((uintptr_t)addr | BME_XOR_MASK) = wdata) |
| #define BME_XOR16(addr, wdata) (*(volatile uint8_t*)((uintptr_t)addr | BME_XOR_MASK) = wdata) |
| #define BME_XOR32(addr, wdata) (*(volatile uint8_t*)((uintptr_t)addr | BME_XOR_MASK) = wdata) |
| |
| /* Decorated Store: Bit Field Insert */ |
| #define BME_BFI8(addr, wdata, bit, width) (*(volatile uint8_t*)((uintptr_t)addr | BME_BFI_MASK(bit,width)) = wdata) |
| #define BME_BFI16(addr, wdata, bit, width) (*(volatile uint16_t*)((uintptr_t)addr | BME_BFI_MASK(bit,width)) = wdata) |
| #define BME_BFI32(addr, wdata, bit, width) (*(volatile uint32_t*)((uintptr_t)addr | BME_BFI_MASK(bit,width)) = wdata) |
| |
| /* Decorated Load: Unsigned Bit Field Extract */ |
| #define BME_UBFX8(addr, bit, width) (*(volatile uint8_t*)((uintptr_t)addr | BME_UBFX_MASK(bit,width))) |
| #define BME_UBFX16(addr, bit, width) (*(volatile uint16_t*)((uintptr_t)addr | BME_UBFX_MASK(bit,width))) |
| #define BME_UBFX32(addr, bit, width) (*(volatile uint32_t*)((uintptr_t)addr | BME_UBFX_MASK(bit,width))) |
| |
| #endif /* _FSL_BITACCESS_H */ |
| |
| /******************************************************************************/ |