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Merge branch 'master' of tommi@viadmin.org:/opt/git/libopenstm32

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This commit is contained in:
Thomas Otto 2010-03-26 10:17:00 +01:00
commit 2bada0dacd
5 changed files with 96 additions and 3 deletions
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4
examples/other/adc_temperature_sensor/Makefile
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@ -26,8 +26,8 @@ LD = $(PREFIX)-ld
OBJCOPY = $(PREFIX)-objcopy
OBJDUMP = $(PREFIX)-objdump
# Uncomment this line if you want to use the installed (not local) library.
TOOLCHAIN_DIR = `dirname \`which $(CC)\``/..
#TOOLCHAIN_DIR = ../../..
#TOOLCHAIN_DIR = `dirname \`which $(CC)\``/..
TOOLCHAIN_DIR = ../../..
CFLAGS = -O0 -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
-mcpu=cortex-m3 -mthumb
LDSCRIPT = $(BINARY).ld

1
include/libopenstm32.h
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@ -37,5 +37,6 @@
#include <libopenstm32/i2c.h>
#include <libopenstm32/dma.h>
#include <libopenstm32/scb.h>
#include <libopenstm32/systick.h>
#endif

70
include/libopenstm32/systick.h Normal file
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@ -0,0 +1,70 @@
/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
*
* 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/>.
*/
#ifndef LIBOPENSTM32_SYSTICK_H
#define LIBOPENSTM32_SYSTICK_H
#include <libopenstm32/memorymap.h>
#include <libopenstm32/common.h>
/* --- SYSTICK registers --------------------------------------------------- */
/* Control and status register (STK_CTRL) */
#define STK_CTRL MMIO32(SYSTICK_BASE + 0x00)
/* reload value register (STK_LOAD) */
#define STK_LOAD MMIO32(SYSTICK_BASE + 0x04)
/* current value register (STK_VAL) */
#define STK_VAL MMIO32(SYSTICK_BASE + 0x08)
/* calibration value register (STK_CALIB) */
#define STK_CALIB MMIO32(SYSTICK_BASE + 0x0C)
/* --- STK_CTRL values ----------------------------------------------------- */
/* Bits [31:17] Reserved, must be kept cleared. */
/* COUNTFLAG: */
#define STK_CTRL_COUNTFLAG (1 << 16)
/* Bits [15:3] Reserved, must be kept cleared. */
/* CLKSOURCE: Clock source selection */
#define STK_CTRL_CLKSOURCE (1 << 2)
/* TICKINT: SysTick exception request enable */
#define STK_CTRL_TICKINT (1 << 1)
/* ENABLE: Counter enable */
#define STK_CTRL_ENABLE (1 << 0)
/* --- STK_LOAD values ----------------------------------------------------- */
/* Bits [31:24] Reserved, must be kept cleared. */
/* RELOAD[23:0]: RELOAD value */
/* --- STK_VAL values ------------------------------------------------------ */
/* Bits [31:24] Reserved, must be kept cleared. */
/* CURRENT[23:0]: Current counter value */
/* --- STK_CALIB values ---------------------------------------------------- */
/* NOREF: NOREF flag */
#define STK_CALIB_NOREF (1 << 31)
/* SKEW: SKEW flag */
#define STK_CALIB_SKEW (1 << 30)
/* Bits [29:24] Reserved, must be kept cleared. */
/* TENMS[23:0]: Calibration value */
/* --- Function Prototypes ------------------------------------------------- */
#endif

2
lib/Makefile
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@ -28,7 +28,7 @@ CFLAGS = -Os -g -Wall -Wextra -I../include -fno-common \
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = vector.o rcc.o gpio.o usart.o adc.o spi.o flash.o nvic.o \
rtc.o i2c.o dma.o
rtc.o i2c.o dma.o systick.o
# Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)

22
lib/systick.c Normal file
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@ -0,0 +1,22 @@
/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
*
* 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/>.
*/
#include <libopenstm32/systick.h>