sw: Add backup RTC test.

c24be394 · Matthieu Cattin · e253d6b9 · c24be394 · c24be394 · c24be394
Commit c24be394 authored Aug 09, 2014 by Matthieu Cattin
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Makefile sw/burtc_test/Makefile +245 -0

flash.sh sw/burtc_test/flash.sh +3 -0

main.c sw/burtc_test/main.c +212 -0

No files found.
--- a/sw/burtc_test/Makefile
+++ b/sw/burtc_test/Makefile
+# Copyright (C) 2014 Julian Lewis
+# @author Maciej Suminski <maciej.suminski@cern.ch>
+#
+# 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 2
+# 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, you may find one here:
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+# or you may search the http://www.gnu.org website for the version 2 license,
+# or you may write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+
+####################################################################
+# Makefile                                                         #
+####################################################################
+
+.SUFFIXES:				# ignore builtin rules
+.PHONY: all debug release clean flash
+
+####################################################################
+# Definitions                                                      #
+####################################################################
+
+DEVICE = EFM32GG330F1024
+PROJECTNAME = freewatch
+# Name of interface configuration file used by OpenOCD
+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\4.7 2012q4
+LINUXCS    ?= /opt/gcc-arm-none-eabi-4_8-2014q2
+
+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 parallel 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)
+
+####################################################################
+# 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  \
+$(DEPFLAGS)
+
+override ASMFLAGS += -x assembler-with-cpp -D$(DEVICE) -Wall -Wextra -mcpu=cortex-m3 -mthumb
+
+#
+# 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../common/CMSIS/Include \
+-I../common/Device/EnergyMicro/EFM32GG/Include \
+-I../common/emlib/inc \
+-I../common/drivers \
+-I../common/glib \
+-I../common
+
+####################################################################
+# Files                                                            #
+####################################################################
+
+C_SRC += \
+../common/Device/EnergyMicro/EFM32GG/Source/system_efm32gg.c \
+../common/drivers/lcd.c \
+../common/emlib/src/em_assert.c \
+../common/emlib/src/em_cmu.c \
+../common/emlib/src/em_emu.c \
+../common/emlib/src/em_rmu.c \
+../common/emlib/src/em_gpio.c \
+../common/emlib/src/em_i2c.c \
+../common/emlib/src/em_int.c \
+../common/emlib/src/em_system.c \
+../common/emlib/src/em_rtc.c \
+../common/emlib/src/em_burtc.c \
+../common/emlib/src/em_usart.c \
+../common/gfx/graphics.c \
+../common/gfx/font_helv11.c \
+../common/gfx/font_helv17.c \
+../common/gfx/font_helv17b.c \
+../common/gfx/font_xm4x5.c \
+../common/gfx/font_xm4x6.c \
+../common/udelay.c \
+../common/delay.c \
+../common/drivers/i2cdrv.c \
+../common/drivers/light_sensor.c \
+../common/drivers/altimeter.c \
+../common/drivers/max17047.c \
+main.c
+#../common/drivers/display.c \
+#../common/drivers/displayls013b7dh03.c \
+#../common/drivers/displaypalemlib.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, sort also removes duplicates
+C_PATHS = $(sort $(dir $(C_SRC) ) )
+S_PATHS = $(sort $(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) -lm -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
+
+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
--- a/sw/burtc_test/flash.sh
+++ b/sw/burtc_test/flash.sh
+#! /bin/sh
+
+sudo OOCD_IFACE=stlink-v2 make flash
--- a/sw/burtc_test/main.c
+++ b/sw/burtc_test/main.c
+/*
+ * Copyright (C) 2014 Julian Lewis
+ * @author Maciej Suminski <maciej.suminski@cern.ch>
+ *
+ * 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 2
+ * 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, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+/**
+ * @brief Main file.
+ */
+
+#include <stdio.h>
+#include <math.h>
+#include <delay.h>
+#include <i2cdrv.h>
+#include <em_device.h>
+#include <em_cmu.h>
+#include <em_gpio.h>
+#include <drivers/lcd.h>
+#include <drivers/light_sensor.h>
+#include <gfx/graphics.h>
+#include <drivers/altimeter.h>
+#include <drivers/max17047.h>
+#include <em_rtc.h>
+#include <em_burtc.h>
+#include <em_emu.h>
+#include <em_rmu.h>
+
+
+#define LFXO_FREQUENCY                  32768
+#define WAKEUP_INTERVAL_MS              1200
+#define BURTC_COUNT_BETWEEN_WAKEUP      (((LFXO_FREQUENCY * WAKEUP_INTERVAL_MS) / 1000)-1)
+
+
+static uint16_t milliseconds = 0;
+static uint8_t minutes = 45;
+static uint8_t hours = 10;
+static bool lcd_update_flag;
+
+
+/**
+ * @brief BURTC Interrupt Handler clears the flag
+ */
+void BURTC_IRQHandler(void)
+{
+        /* Clear interrupt source */
+        BURTC_IntClear(BURTC_IFC_COMP0);
+
+        milliseconds += 1200;
+
+        if(milliseconds == 60000)
+        {
+                milliseconds = 0;
+                minutes += 1;
+        }
+
+        if(minutes == 60)
+        {
+                minutes = 0;
+                hours += 1;
+        }
+        if(hours == 24)
+        {
+                hours = 0;
+        }
+
+        lcd_update_flag = true;
+
+}
+
+
+/**
+ * @brief  Setup BURTC
+ * Using LFRCO clock source and enabling interrupt on COMP0 match
+ */
+void setupBurtc(void)
+{
+        BURTC_Init_TypeDef burtcInit = BURTC_INIT_DEFAULT;
+
+        burtcInit.enable       = true;                /* Enable BURTC after initialization  */
+        burtcInit.mode         = burtcModeEM3;        /* BURTC is enabled in EM0-EM3 */
+        burtcInit.debugRun     = false;               /* Counter shall keep running during debug halt. */
+        burtcInit.clkSel       = burtcClkSelLFRCO;    /* Select LFRCO as clock source */
+        burtcInit.clkDiv       = burtcClkDiv_1;       /* Clock prescaler             */
+        burtcInit.lowPowerComp = 0;                   /* Number of least significantt clock bits to ignore in low power mode */
+        burtcInit.timeStamp    = true;                /* Enable time stamp on entering backup power domain */
+        burtcInit.compare0Top  = true;                /* Clear counter on compare match */
+        burtcInit.lowPowerMode = burtcLPDisable;      /* Low power operation mode, requires LFXO or LFRCO */
+
+        BURTC_CompareSet(0, BURTC_COUNT_BETWEEN_WAKEUP);  /* Set top value for comparator */
+
+        /* Enabling Interrupt from BURTC */
+        NVIC_EnableIRQ(BURTC_IRQn);
+        BURTC_IntEnable( BURTC_IF_COMP0 );    /* Enable compare interrupt flag */
+
+        /* Initialize BURTC */
+        BURTC_Init(&burtcInit);
+}
+
+
+/**
+ * @brief  Main function
+ */
+int main(void)
+{
+        I2C_Init_TypeDef i2cInit = I2C_INIT_DEFAULT;
+
+        int x, y, i;
+        char str[20];
+        uint8_t err;
+        double temp = 0;
+        double pressure = 0;
+        double altitude = 0;
+        double lux;
+        uint16_t fg_var16;
+        uint8_t fg_var8;
+        int8_t fg_temp;
+        int16_t fg_i;
+
+
+        // Enable LFXO and select it for LFA branch
+        CMU_OscillatorEnable(cmuOsc_LFXO, true, true);
+        CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
+
+        // Enable low energy clocking module clock
+        CMU_ClockEnable(cmuClock_CORELE, true);
+
+        // Enable BURTC registers access
+        RMU_ResetControl(rmuResetBU, false);
+
+        // BURTC setup
+        setupBurtc();
+
+
+        /* Setup SysTick Timer for 1 msec interrupts */
+        if (SysTick_Config(CMU_ClockFreqGet(cmuClock_CORE) / 1000)) while (1);
+
+        CMU_ClockEnable(cmuClock_HFPER, true);
+        CMU_ClockEnable(cmuClock_GPIO, true);
+
+        // Backlight LEDs
+        GPIO_PinModeSet(gpioPortE, 11, gpioModePushPull, 0);
+        GPIO_PinModeSet(gpioPortE, 12, gpioModePushPull, 0);
+
+        lcd_init();
+
+        I2CDRV_Init(&i2cInit);
+
+        err = alti_init();
+
+        err = max17047_set_config(0x2250);
+
+        //GPIO_PinOutSet(gpioPortE, 11);
+        //GPIO_PinOutSet(gpioPortE, 12);
+
+        while(1)
+        {
+
+                err = light_sensor_get_lux(&lux);
+                err = alti_get_temp_pressure(&temp, &pressure, true);
+                err = alti_mbar2altitude(pressure, &altitude);
+                fg_i =  max17047_get_current();
+                fg_var8 =  max17047_get_charge();
+
+
+                if(lcd_update_flag)
+                {
+                        lcd_update_flag = false;
+
+                        lcd_clear();
+
+                        sprintf(str, "%02d:%02d:%02d.%1d", hours, minutes, milliseconds/1000, (milliseconds%1000)/100);
+                        text(&font_helv17b, 5, 20, str);
+
+
+                        sprintf(str, "light: %3.3f lux", lux);
+                        text(&font_helv11, 5, 60, str);
+
+                        sprintf(str, "temp: %f C", temp);
+                        text(&font_helv11, 5, 70, str);
+                        sprintf(str, "pressure: %f mbar", pressure);
+                        text(&font_helv11, 5, 80, str);
+
+                        sprintf(str, "altitude: %f m", altitude);
+                        text(&font_helv11, 5, 90, str);
+
+                        sprintf(str, "fg current: %d mA", fg_i);
+                        text(&font_helv11, 5, 100, str);
+
+                        sprintf(str, "fg charge: %d", fg_var8);
+                        text(&font_helv11, 5, 110, str);
+
+
+                        lcd_update();
+                }
+        }
+}