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Diffstat (limited to 'src/lib/util.h')
-rw-r--r-- | src/lib/util.h | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/lib/util.h b/src/lib/util.h deleted file mode 100644 index e425cc0..0000000 --- a/src/lib/util.h +++ /dev/null @@ -1,82 +0,0 @@ -/* ***************************************************************************** - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * Created: 12/18/09 02:39:27 - * Copyright (c) 2009 Perry L. Hung. All rights reserved. - * - * ****************************************************************************/ - -/** - * @file util.h - * - * @brief Various macros and utility procedures. - */ - -/* Generally "useful" utility procedures */ -#ifndef _UTIL_H_ -#define _UTIL_H_ -#include <inttypes.h> - -#define MAPLE_DEBUG 1 - -#define BIT(shift) (1 << (shift)) -#define BIT_MASK_SHIFT(mask, shift) ((mask) << (shift)) - -/* Return bits m to n of x */ -#define GET_BITS(x, m, n) ((((uint32_t)x) << (31 - (n))) >> ((31 - (n)) + (m))) - -/* Bit-banding macros */ -#define BITBAND_SRAM_REF 0x20000000 -#define BITBAND_SRAM_BASE 0x22000000 -#define BITBAND_SRAM(a,b) ((BITBAND_SRAM_BASE + (a-BITBAND_SRAM_REF)*32 + (b*4))) // Convert SRAM address -#define BITBAND_PERI_REF 0x40000000 -#define BITBAND_PERI_BASE 0x42000000 -#define BITBAND_PERI(a,b) ((BITBAND_PERI_BASE + (a-BITBAND_PERI_REF)*32 + (b*4))) // Convert PERI address - -#define COUNTFLAG *((volatile unsigned char*) (BITBAND_PERI(SYSTICK_CSR,2))) - -#define REG_SET(reg, val) (*(volatile uint32_t*)(reg) = (val)) -#define REG_SET_BIT(reg, bit) (*(volatile uint32_t*)(reg) |= BIT(bit)) -#define REG_CLEAR_BIT(reg, bit) (*(volatile uint32_t*)(reg) &= ~BIT(bit)) -#define REG_SET_MASK(reg, mask) (*(volatile uint32_t*)(reg) |= (uint32_t)(mask)) -#define REG_CLEAR_MASK(reg, mask) (*(volatile uint32_t*)(reg) &= (uint32_t)~(mask)) - -#define REG_GET(reg) *(volatile uint32_t*)(reg) - - -#ifdef __cplusplus -extern "C"{ -#endif - -void _fail(const char*, int, const char*); - -#ifdef __cplusplus -} // extern "C" -#endif - - -/* Assert for sanity checks, undefine MAPLE_DEBUG to compile - * out these checks */ -#if MAPLE_DEBUG -#define ASSERT(exp) \ - if (exp) \ - {} \ - else \ - _fail(__FILE__, __LINE__, #exp) -#else -#define ASSERT(exp) (void)((0)) -#endif - -#endif - |