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Diffstat (limited to 'bsps/arm/tms570/include/bsp/system-clocks.h')
| -rw-r--r-- | bsps/arm/tms570/include/bsp/system-clocks.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/bsps/arm/tms570/include/bsp/system-clocks.h b/bsps/arm/tms570/include/bsp/system-clocks.h new file mode 100644 index 0000000000..0e1d1301d4 --- /dev/null +++ b/bsps/arm/tms570/include/bsp/system-clocks.h @@ -0,0 +1,62 @@ +/** + * @file benchmark_timer.c + * + * @ingroup tms570 + * + * @brief System clocks. + */ + +/* + * Copyright (c) 2014 Pavel Pisa <pisa@cmp.felk.cvut.cz> + * + * Czech Technical University in Prague + * Zikova 1903/4 + * 166 36 Praha 6 + * Czech Republic + * + * Based on LPC24xx and LPC1768 BSP + * by embedded brains GmbH and others + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#ifndef LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H +#define LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H + +#include <bsp/tms570-rti.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +/** + * @defgroup tms570_clock System Clocks + * + * @ingroup tms570 + * + * @brief System clocks. + * + * @{ + */ + +/** + * @brief Returns current standard timer value in microseconds. + * + * This function uses RTI module free running counter 0 used + * which is used as system tick timebase as well. + */ +static inline unsigned tms570_timer(void) +{ + uint32_t actual_fcr0 = TMS570_RTI.CNT[0].FRCx; + return actual_fcr0; +} + +/** @} */ + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_TMS570_SYSTEM_CLOCKS_H */ |