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Diffstat (limited to 'src/lib/systick.h')
-rw-r--r-- | src/lib/systick.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/lib/systick.h b/src/lib/systick.h deleted file mode 100644 index 61789c4..0000000 --- a/src/lib/systick.h +++ /dev/null @@ -1,62 +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 02:37:37 - * Copyright (c) 2009 Perry L. Hung. All rights reserved. - * - * ****************************************************************************/ - -/** - * @file systick.h - * - * @brief Various system timer definitions - */ - -#ifndef _SYSTICK_H_ -#define _SYSTICK_H_ - -#include "libmaple.h" - -/* To the ARM technical manual... there's nearly nothing on the systick - * timer in the stm32 manual */ - -#define SYSTICK_CSR 0xE000E010 // Control and status register -#define SYSTICK_RELOAD 0xE000E014 // Reload value register -#define SYSTICK_CNT 0xE000E018 // Current value register -#define SYSTICK_CALIB 0xE000E01C // Calibration value register - -#define SYSTICK_SRC_HCLK BIT(2) // Use core clock -#define SYSTICK_TICKINT BIT(1) // Interrupt on systick countdown -#define SYSTICK_ENABLE BIT(0) // Turn on the counter - -/* We use the systick timer to tick once - * every millisecond */ -#define MAPLE_RELOAD_VAL 72000 - -#ifdef __cplusplus -extern "C"{ -#endif - -void systick_init(void); - -static inline uint32_t systick_get_count(void) { - return (uint32_t)*(volatile uint32*)SYSTICK_CNT; -} - -#ifdef __cplusplus -} // extern "C" -#endif - -#endif - |