Merge pull request #4 from sgk/master

Small changes

.gitignore

@@ -27,6 +27,8 @@
 *.i*86
 *.x86_64
 *.hex
+gps-sdr-sim
+gps-sdr-sim-lut
 
 # Debug files
 *.dSYM/

Makefile

@@ -0,0 +1,21 @@
+# Makefile for Linux etc.
+
+.PHONY: all clean
+all: gps-sdr-sim gps-sdr-sim-lut
+
+SHELL=/bin/bash
+CC=gcc
+CFLAGS=-fopenmp
+LDFLAGS=-lm -fopenmp
+
+gps-sdr-sim: gpssim.o
+	${CC} $< ${LDFLAGS} -o $@
+
+gps-sdr-sim-lut: gpssim-lut.o
+	${CC} $< ${LDFLAGS} -o $@
+
+gpssim-lut.o: gpssim.c
+	${CC} -c -D_SINE_LUT ${CFLAGS} $< -o $@
+
+clean:
+	rm -f gpssim.o gpssim-lut.o gps-sdr-sim gps-sdr-sim-lut

tools/Readme.md

@@ -17,5 +17,5 @@ nmea2um <nmea_gga> <user_motion>
 1. Sketch out a route in Google Earth.
 2. Save the path as a KML file.
 3. Load the KML file in SatGen.
-4. Set the output rate at 10Hz and generate a NMEA file.
-5. Conver the NMEA data to the user motion CSV format.
+4. Set the output rate at 10Hz and generate an NMEA file.
+5. Convert the NMEA data to the user motion CSV format.