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bsp/tms570: Use shared benchmark timer

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This commit is contained in:
Sebastian Huber
2017-03-27 13:53:01 +02:00
parent b8e97e58a2
commit bd7f099c43
2 changed files with 1 additions and 62 deletions
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3
c/src/lib/libbsp/arm/tms570/Makefile.am
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@@ -153,15 +153,14 @@ libbsp_a_SOURCES += console/tms570-sci.c
# Clock # Clock
libbsp_a_SOURCES += ../../shared/clockdrv_shell.h libbsp_a_SOURCES += ../../shared/clockdrv_shell.h
libbsp_a_SOURCES += clock/clock.c libbsp_a_SOURCES += clock/clock.c
libbsp_a_SOURCES += clock/benchmark_timer.c
# RTC # RTC
# GPIO # GPIO
libbsp_a_SOURCES += pinmux/pinmux.c libbsp_a_SOURCES += pinmux/pinmux.c
# Timer
# Benchmark Timer # Benchmark Timer
libbsp_a_SOURCES += ../../shared/timercpucounter.c
# Misc # Misc
libbsp_a_SOURCES += misc/cpucounterread.c libbsp_a_SOURCES += misc/cpucounterread.c

60
c/src/lib/libbsp/arm/tms570/clock/benchmark_timer.c
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@@ -1,60 +0,0 @@
/**
* @file benchmark_timer.c
*
* @ingroup tms570
*
* @brief clock functions definitions.
*/
/*
* 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.
*/
#include <stdlib.h>
#include <rtems.h>
#include <bsp.h>
#include <bsp/system-clocks.h>
#include <rtems/btimer.h>
bool benchmark_timer_find_average_overhead = false;
static uint32_t benchmark_timer_base;
void benchmark_timer_initialize(void)
{
benchmark_timer_base = _CPU_Counter_read();
}
benchmark_timer_t benchmark_timer_read(void)
{
uint32_t delta = _CPU_Counter_read() - benchmark_timer_base;
if (benchmark_timer_find_average_overhead) {
return delta;
} else {
/* TODO check on hardware */
if (delta > 74) {
return delta - 74;
} else {
return 0;
}
}
}
void benchmark_timer_disable_subtracting_average_overhead(bool find_average_overhead )
{
benchmark_timer_find_average_overhead = find_average_overhead;
}