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Commit bc9d1d27 authored by Theodor-Adrian Stana's avatar Theodor-Adrian Stana
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(Re-) started work on GPS

parent ab5c1654
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sw/gps/Makefile 0 → 100644
View file @ bc9d1d27
####################################################################
# Makefile #
####################################################################
.SUFFIXES: # ignore builtin rules
.PHONY: all debug release clean
####################################################################
# Definitions #
####################################################################
# uniq is a function which remove duplicate elements from a list
uniq = $(strip $(if $1,$(firstword $1) \
$(call uniq,$(filter-out $(firstword $1),$1))))
DEVICE = EFM32GG330F1024
PROJECTNAME = gps
OOCD_IFACE ?= stlink-v2-1
OBJ_DIR = build
EXE_DIR = exe
LST_DIR = lst
####################################################################
# Definitions of toolchain. #
# You might need to do changes to match your system setup #
####################################################################
# Change path to the tools according to your system configuration
# DO NOT add trailing whitespace chars, they do matter !
WINDOWSCS ?= GNU Tools ARM Embedded\4.8 2013q4
LINUXCS ?= /opt/gcc-arm-none-eabi-4_8-2014q1
RMDIRS := rm -rf
RMFILES := rm -rf
ALLFILES := /*.*
NULLDEVICE := /dev/null
SHELLNAMES := $(ComSpec)$(COMSPEC)
# Try autodetecting the environment
ifeq ($(SHELLNAMES),)
# Assume we are making on a Linux platform
TOOLDIR := $(LINUXCS)
else
QUOTE :="
ifneq ($(COMSPEC),)
# Assume we are making on a mingw/msys/cygwin platform running on Windows
# This is a convenient place to override TOOLDIR, DO NOT add trailing
# whitespace chars, they do matter !
TOOLDIR := $(PROGRAMFILES)/$(WINDOWSCS)
ifeq ($(findstring cygdrive,$(shell set)),)
# We were not on a cygwin platform
NULLDEVICE := NUL
endif
else
# Assume we are making on a Windows platform
# This is a convenient place to override TOOLDIR, DO NOT add trailing
# whitespace chars, they do matter !
SHELL := $(SHELLNAMES)
TOOLDIR := $(ProgramFiles)/$(WINDOWSCS)
RMDIRS := rd /s /q
RMFILES := del /s /q
ALLFILES := \*.*
NULLDEVICE := NUL
endif
endif
# Create directories and do a clean which is compatible with parallell make
$(shell mkdir $(OBJ_DIR)>$(NULLDEVICE) 2>&1)
$(shell mkdir $(EXE_DIR)>$(NULLDEVICE) 2>&1)
$(shell mkdir $(LST_DIR)>$(NULLDEVICE) 2>&1)
ifeq (clean,$(findstring clean, $(MAKECMDGOALS)))
ifneq ($(filter $(MAKECMDGOALS),all debug release),)
$(shell $(RMFILES) $(OBJ_DIR)$(ALLFILES)>$(NULLDEVICE) 2>&1)
$(shell $(RMFILES) $(EXE_DIR)$(ALLFILES)>$(NULLDEVICE) 2>&1)
$(shell $(RMFILES) $(LST_DIR)$(ALLFILES)>$(NULLDEVICE) 2>&1)
endif
endif
CC = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-gcc$(QUOTE)
LD = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-ld$(QUOTE)
AR = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-ar$(QUOTE)
OBJCOPY = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-objcopy$(QUOTE)
DUMP = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-objdump$(QUOTE)
SIZE = $(QUOTE)$(TOOLDIR)/bin/arm-none-eabi-size$(QUOTE)
####################################################################
# Flags #
####################################################################
# -MMD : Don't generate dependencies on system header files.
# -MP : Add phony targets, useful when a h-file is removed from a project.
# -MF : Specify a file to write the dependencies to.
DEPFLAGS = -MMD -MP -MF $(@:.o=.d)
#
# Add -Wa,-ahld=$(LST_DIR)/$(@F:.o=.lst) to CFLAGS to produce assembly list files
#
override CFLAGS += -D$(DEVICE) -Wall -Wextra -mcpu=cortex-m3 -mthumb \
-mfix-cortex-m3-ldrd -ffunction-sections \
-fdata-sections -fomit-frame-pointer -DDEBUG_EFM_USER \
$(DEPFLAGS)
override ASMFLAGS += -x assembler-with-cpp -D$(DEVICE) -Wall -Wextra -mcpu=cortex-m3 -mthumb -DDEBUG_EFM_USER
#
# NOTE: The -Wl,--gc-sections flag may interfere with debugging using gdb.
#
override LDFLAGS += -Xlinker -Map=$(LST_DIR)/$(PROJECTNAME).map -mcpu=cortex-m3 \
-mthumb -T../common/Device/EnergyMicro/EFM32GG/Source/GCC/efm32gg.ld \
-Wl,--gc-sections
LIBS = -Wl,--start-group -lgcc -lc -lnosys -Wl,--end-group
INCLUDEPATHS += \
-I../src \
-I../src \
-I../common/CMSIS/Include \
-I../common/Device/EnergyMicro/EFM32GG/Include \
-I../common/emlib/inc \
-I../common/usb \
-I../common/usb/inc \
-I../usb/inc
####################################################################
# Files #
####################################################################
C_SRC += \
../common/Device/EnergyMicro/EFM32GG/Source/system_efm32gg.c \
../common/emlib/src/em_assert.c \
../common/emlib/src/em_cmu.c \
../common/emlib/src/em_dma.c \
../common/emlib/src/em_ebi.c \
../common/emlib/src/em_emu.c \
../common/emlib/src/em_gpio.c \
../common/emlib/src/em_int.c \
../common/emlib/src/em_system.c \
../common/emlib/src/em_timer.c \
../common/emlib/src/em_leuart.c \
../common/usb/usbdesc.c \
../common/usb/src/em_usbd.c \
../common/usb/src/em_usbdch9.c \
../common/usb/src/em_usbhal.c \
../common/usb/src/em_usbdep.c \
../common/usb/src/em_usbdint.c \
../common/usb/src/em_usbtimer.c \
../src/main.c
s_SRC +=
S_SRC += ../common/Device/EnergyMicro/EFM32GG/Source/GCC/startup_efm32gg.S
####################################################################
# Rules #
####################################################################
C_FILES = $(notdir $(C_SRC) )
S_FILES = $(notdir $(S_SRC) $(s_SRC) )
#make list of source paths, uniq removes duplicate paths
C_PATHS = $(call uniq, $(dir $(C_SRC) ) )
S_PATHS = $(call uniq, $(dir $(S_SRC) $(s_SRC) ) )
C_OBJS = $(addprefix $(OBJ_DIR)/, $(C_FILES:.c=.o))
S_OBJS = $(if $(S_SRC), $(addprefix $(OBJ_DIR)/, $(S_FILES:.S=.o)))
s_OBJS = $(if $(s_SRC), $(addprefix $(OBJ_DIR)/, $(S_FILES:.s=.o)))
C_DEPS = $(addprefix $(OBJ_DIR)/, $(C_FILES:.c=.d))
OBJS = $(C_OBJS) $(S_OBJS) $(s_OBJS)
vpath %.c $(C_PATHS)
vpath %.s $(S_PATHS)
vpath %.S $(S_PATHS)
# Default build is debug build
all: debug
debug: CFLAGS += -DDEBUG -O0 -g
debug: $(EXE_DIR)/$(PROJECTNAME).bin
release: CFLAGS += -DNDEBUG -O0 -g
release: $(EXE_DIR)/$(PROJECTNAME).bin
# Create objects from C SRC files
$(OBJ_DIR)/%.o: %.c
@echo "Building file: $<"
$(CC) $(CFLAGS) $(INCLUDEPATHS) -c -o $@ $<
# Assemble .s/.S files
$(OBJ_DIR)/%.o: %.s
@echo "Assembling $<"
$(CC) $(ASMFLAGS) $(INCLUDEPATHS) -c -o $@ $<
$(OBJ_DIR)/%.o: %.S
@echo "Assembling $<"
$(CC) $(ASMFLAGS) $(INCLUDEPATHS) -c -o $@ $<
# Link
$(EXE_DIR)/$(PROJECTNAME).out: $(OBJS)
@echo "Linking target: $@"
$(CC) $(LDFLAGS) $(OBJS) $(LIBS) -o $(EXE_DIR)/$(PROJECTNAME).out
# Create binary file
$(EXE_DIR)/$(PROJECTNAME).bin: $(EXE_DIR)/$(PROJECTNAME).out
@echo "Creating binary file"
$(OBJCOPY) -O binary $(EXE_DIR)/$(PROJECTNAME).out $(EXE_DIR)/$(PROJECTNAME).bin
# Uncomment next line to produce assembly listing of entire program
# $(DUMP) -h -S -C $(EXE_DIR)/$(PROJECTNAME).out>$(LST_DIR)/$(PROJECTNAME)out.lst
$(SIZE) $<
clean:
ifeq ($(filter $(MAKECMDGOALS),all debug release),)
$(RMDIRS) $(OBJ_DIR) $(LST_DIR) $(EXE_DIR)
endif
flash: $(EXE_DIR)/$(PROJECTNAME).bin
openocd -s ../common/openocd -f interface/$(OOCD_IFACE).cfg -f init.cfg -c "program $(EXE_DIR)/$(PROJECTNAME).bin 0 verify reset"
# include auto-generated dependency files (explicit rules)
ifneq (clean,$(findstring clean, $(MAKECMDGOALS)))
-include $(C_DEPS)
endif
sw/gps/main.c 0 → 100644
View file @ bc9d1d27
/*
*==============================================================================
* CERN (BE-CO-HT)
* Source file for Main
*==============================================================================
*
* author: Theodor Stana (t.stana@cern.ch)
*
* date of creation: 2014-08-14
*
* version: 1.0
*
* description:
*
* dependencies:
*
* references:
*
*==============================================================================
* GNU LESSER GENERAL PUBLIC LICENSE
*==============================================================================
* This source file is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version. This source 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 Lesser General Public License for more details. You should have
* received a copy of the GNU Lesser General Public License along with this
* source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
*==============================================================================
* last changes:
* 2014-08-14 Theodor Stana File created
*==============================================================================
* TODO: -
*==============================================================================
*/
#include "em_device.h"
#include "em_cmu.h"
#include "em_usb.h"
#include "em_leuart.h"
#include "em_gpio.h"
#include "usbdesc.h"
#define RXBUFSIZE 8
volatile char rxbuf[RXBUFSIZE] = {'0', '1', '2', '3', '4', '5', '6', '7'};
volatile char idx = 0;
static void gps_init();
void LEUART0_IRQHandler()
{
if (LEUART0->IF & LEUART_IF_RXDATAV) {
rxbuf[idx++] = LEUART_Rx(LEUART0);
if (idx == RXBUFSIZE) {
idx = 0;
USBD_Write(USBDESC_EP_DATA_OUT, rxbuf, RXBUFSIZE, NULL);
}
}
}
int main()
{
CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
CMU_ClockEnable(cmuClock_HFPER, true);
CMU_ClockEnable(cmuClock_GPIO, true);
USBD_Init(&initstruct);
gps_init();
int i;
for (;;) {
}
return 0;
}
static void gps_init()
{
int i;
GPIO_PinModeSet(gpioPortE, 11, gpioModePushPull, 0);
GPIO_PinModeSet(gpioPortE, 12, gpioModePushPull, 0);
/*-------------------------------------------------*
* ON_OFF pulse
*-------------------------------------------------*/
GPIO_PinModeSet(gpioPortE, 13, gpioModePushPull, 0);
GPIO_PinOutSet(gpioPortE, 13);
GPIO_PinOutSet(gpioPortE, 12);
for (i = 0; i < 100000; i++)
;
GPIO_PinOutClear(gpioPortE, 13);
GPIO_PinOutClear(gpioPortE, 12);
/*-------------------------------------------------*
* LEUART0 config
*-------------------------------------------------*/
LEUART_TypeDef *leuart = LEUART0;
LEUART_Init_TypeDef init = LEUART_INIT_DEFAULT;
/* To avoid false start, configure output as high */
GPIO_PinModeSet(gpioPortE, 14, gpioModePushPull, 1);
GPIO_PinModeSet(gpioPortE, 15, gpioModeInput, 0);
CMU_ClockEnable(cmuClock_CORELE, true);
CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFXO);
CMU_ClockEnable(cmuClock_LEUART0, true);
CMU_ClockDivSet(cmuClock_LEUART0, cmuClkDiv_1);
init.enable = leuartDisable;
init.baudrate = 4800;
init.databits = leuartDatabits8;
init.stopbits = leuartStopbits2;
LEUART_Init(leuart, &init);
leuart->ROUTE = LEUART_ROUTE_RXPEN |
LEUART_ROUTE_TXPEN |
LEUART_ROUTE_LOCATION_LOC2;
LEUART_IntClear(leuart, LEUART_IF_RXDATAV);
NVIC_ClearPendingIRQ(LEUART0_IRQn);
LEUART_IntEnable(leuart, LEUART_IF_RXDATAV);
NVIC_EnableIRQ(LEUART0_IRQn);
LEUART_Enable(leuart, leuartEnable);
GPIO_PinOutSet(gpioPortE, 11);
}
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