diff options
| -rw-r--r-- | .gitignore | 8 | ||||
| -rw-r--r-- | .gitmodules | 3 | ||||
| -rw-r--r-- | Makefile | 98 | ||||
| -rwxr-xr-x | configure | 152 | ||||
| m--------- | liblcd | 0 | ||||
| -rw-r--r-- | src/turris-lcd.cpp | 17 |
6 files changed, 278 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..39b8314 --- /dev/null +++ b/.gitignore @@ -0,0 +1,8 @@ +.* +*.o + +!.gitignore +!.gitmodules + +turris-lcd +build diff --git a/.gitmodules b/.gitmodules new file mode 100644 index 0000000..8f42eb3 --- /dev/null +++ b/.gitmodules @@ -0,0 +1,3 @@ +[submodule "liblcd"] + path = liblcd + url = https://github.com/Cynerd/liquidcrystal-i2c.git diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..9c2cc47 --- /dev/null +++ b/Makefile @@ -0,0 +1,98 @@ +MAKEFLAGS += --no-builtin-rules + +# This variable can be overwritten to show executed commands +Q ?= @ + +# Default output path. This is used when output (writable) directory is different +# than project directory. You shouldn't be setting it by hand, but it is used in +# external Makefiles. +O ?= . + +# Load configuration +-include $(O)/.config.mk + +.PHONY: all +all: $(O)/turris-lcd + +ifeq ($(DEBUG),yes) +CFLAGS += -ggdb -DDEBUG +endif +CFLAGS += -Wall +CFLAGS += -Iliblcd -include $(O)/build/config.h + +# Apply CPREFIX +CXX:=$(CPREFIX)$(CXX) + +### Source files list ########################### +SRC = turris-lcd.cpp +### End of source files list #################### + +CSRC = $(patsubst %,src/%,$(filter %.cpp,$(SRC))) + +OBJ = $(patsubst src/%.cpp,$(O)/build/%.o,$(CSRC)) +DEP = $(patsubst src/%.cpp,$(O)/build/%.d,$(CSRC)) + +.PHONY: help +help: + @echo "General extendable macro language make targets:" + @echo " turris-lcd - Build geml executable" + @echo " help - Prints this text help." + @echo " clean - Cleans builded files" + @echo " prune - Same as clean but also removes configuration." + @echo "Some enviroment variables to be defined:" + @echo " Q - Define emty to show executed commands" + +# Cleaning +.PHONY: clean +clean:: + @echo " CLEAN build" + $(Q)$(RM) -r $(O)/build + $(Q)$(RM) $(O)/.config.mk + @echo " CLEAN turris-lcd" + $(Q)$(RM) $(O)/turris-lcd +.PHONY: prune +prune:: clean + @echo " CLEAN configuration" + $(Q)$(RM) $(O)/.config $(O)/.config.mk + @echo " CLEAN liblcd" + $(Q)$(MAKE) -C liblcd clean + +## Building targets ## +ifeq (,$(filter clean prune help \ + ,$(MAKECMDGOALS))) # Ignore build targets if goal is not building + +ifeq ($(DEBUG),yes) +-include $(DEP) # If developing, use dependencies from source files +.PHONY: dependency dep +dependency dep:: $(DEP) +$(DEP): $(O)/build/%.d: src/%.cpp + @mkdir -p "$(@D)" + @echo " DEP $@" + $(Q)$(CXX) -MM -MG -MT '$*.o $@' $(CFLAGS) $< -MF $@ +endif # DEBUG + +$(O)/turris-lcd: $(OBJ) liblcd/libliquidcrystali2c.a + @echo " LD $@" + $(Q)$(CXX) $(LDFLAGS) $^ -o $@ + +$(OBJ): $(O)/build/%.o: src/%.cpp $(O)/build/config.h + @mkdir -p "$(@D)" + @echo " CXX $@" + $(Q)$(CXX) -c $(CFLAGS) $< -o $@ + +$(O)/build/config.h: $(O)/.config + @mkdir -p "$(@D)" + @echo " CONF $@" + $(Q)$(O)/configure --op-h > $@ + +liblcd/libliquidcrystali2c.a: + $(Q)$(MAKE) -C liblcd static +endif + +## Configuation files ## +$(O)/.config: + $(error Please run configure script first) + +$(O)/.config.mk: $(O)/.config + @echo " CONF $@" + $(Q)$(O)/configure --op-makefile > $@ diff --git a/configure b/configure new file mode 100755 index 0000000..f10ef90 --- /dev/null +++ b/configure @@ -0,0 +1,152 @@ +#!/bin/sh +# vim:ft=sh:ts=4:sw=4:noexpandtab +set -e + +# Configured variables ##################################################### +# Described in following format: +# name:initial value:type:if exported to makefile:if exported to C header +# Where type can be just a string (in C in "") or plain. None implies plain. +CNFS="CBUILD:::F:F +CHOST:::F:F +DEBUG:no::T:F +CPREFIX:::T:F +CCX:g++::T:F +CFLAGS:::T:F +LFLAGS:::T:F" +############################################################################ +# TODO add options to fine tune installation directories + +print_help() { + echo "Usage: ./configure [OPTION]..." + echo "GEML configuration script. Execute this script to configure project" + echo "and prepare it for building." + echo + echo " --help, -h Give this help list" + echo " --debug, -d Enable development features." + echo " --release, -r Disable development features for project." + echo " --dep-check Force depencency check." + echo " --build=CBUILD System compiler prefix on which project is" + echo " built." + echo " --host=CHOST Compiler prefix for system program and" + echo " libraries will run on." + echo + echo "Environment variables:" + echo " CPREFIX Compilation tools prefix." + echo " CXX C++ compiler command." + echo " CFLAGS C++ compiler flags." + echo " LDFLAGS C++ Linker flags." +} + +CONFIG_FILE=.config +CONFIGURED_FILE=.configured # TODO + +# Backup variables from environment +ENVVARS="CPREFIX CXX CFLAGS LDFLAGS" +for E in $ENVVARS; do + eval "[ -n \"\${$E+y}\" ]" && eval "BACKUP_$E=\$$E" +done + +# Load default configuration if variable not set from environment +eval `echo "$CNFS" | sed -ne 's/^\([^:]*\):\([^:]*\).*$/\1=\2/p'` + +# Load existing configuration +if [ -f "$CONFIG_FILE" ]; then + . ./"$CONFIG_FILE" +fi + +# Functions used for arguments parsing. Handles both --*=* and --* * arguments. +# First arguments is option name. Second is $1 and third $2 +set_options() { + if [[ "$2" == --*=* ]]; then + VAL="$(echo "$2" | sed 's/--[^=]*=//')" + else + VAL="$3" + fi +} + +# Requested operation. +# c - Configure, default configuration behavior +# m - Prints output for Makefile +# h - Prints C header file +OP=c + +# Parse arguments +while [ "$#" -gt 0 ]; do + case $1 in + -h|--help) + print_help + exit 0 + ;; + -d|--debug) + DEBUG=yes + ;; + -r|--release) + DEBUG=no + ;; + --op-makefile) + OP=m + ;; + --op-h) + OP=h + ;; + *) + echo Warning: Unknown option $1 1>&2 + ;; + esac + shift +done + +# Recover from enviroment variables +for E in $ENVVARS; do + eval "[ -n \"\${BACKUP_$E+y}\" ]" && eval "$E=\$BACKUP_$E" +done + +# Basically save configuration to file +configure() { + echo "# linux-lcd configuration file" > "$CONFIG_FILE" + echo "# Please do not edit this file directly." >> "$CONFIG_FILE" + echo "$CNFS" | while read L; do + NAME=`echo "$L" | grep -o -E '^[^:]*'` + eval "VALUE=\$$NAME" + echo "$NAME=$VALUE" >> "$CONFIG_FILE" + done + echo "Configuration written to \"$CONFIG_FILE\"" +} + +makefile() { + echo "$CNFS" | while read L; do + if [ `echo $L | awk -F ':' '{ print $4 }'` != "T" ]; then + continue + fi + NAME=`echo "$L" | grep -o -E '^[^:]*'` + eval "VALUE=\$$NAME" + echo "$NAME := $VALUE" + done +} + +cheader() { + echo "$CNFS" | while read L; do + if [ `echo $L | awk -F ':' '{ print $5 }'` != "T" ]; then + continue + fi + NAME=`echo "$L" | grep -o -E '^[^:]*'` + eval "VALUE=\$$NAME" + if [ "`echo $L | awk -F ':' '{ print $3 }'`" = "string" ]; then + echo "#define $NAME \"$VALUE\"" + else + echo "#define $NAME $VALUE" + fi + done +} + +case $OP in + c) + configure + ;; + m) + makefile + ;; + h) + cheader + ;; +esac diff --git a/liblcd b/liblcd new file mode 160000 +Subproject 9d2a982638e8b84fa335e29b8fe7fdf17ea8aed diff --git a/src/turris-lcd.cpp b/src/turris-lcd.cpp new file mode 100644 index 0000000..d9509e0 --- /dev/null +++ b/src/turris-lcd.cpp @@ -0,0 +1,17 @@ +#include <iostream> +#include <LiquidCrystal_I2C.h> + +using namespace std; + +int main(int argc, char *argv[]) { + // Initialize LCD + LiquidCrystal_I2C lcd("/dev/i2c-2", 0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); + lcd.begin(20, 4); + + lcd.on(); + lcd.clear(); + + lcd.print("Turris Omnia"); + + return 0; +} |