script to automate sample.h creation

utils/samplify.sh

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+#!/bin/sh
+# Prepares a sample.h file
+# sed not used, should just werk (TM) everywhere
+# Usage: ./samplify.sh my_sample.wav
+# Or you can install samplify.sh in your ~/bin and call it
+# from anywhere you like
+
+# Convert original soundfile and create sample.h
+# A temp file is needed otherwise xxd is unable to generate 
+# sample length information?
+# Need to fix that later...
+sox "${1}" -t u8 -c 1 -r 8000 /tmp/sample.wav
+xxd -i /tmp/sample.wav > sample.h
+rm /tmp/sample.wav
+
+# Extract sample length
+SAMPLE_LEN=$(tail -1 sample.h | cut -d ' ' -f 5 | tr -d ';')
+
+# Inject SAMPLE_LEN in new file header
+NEW_HEADER="#define SAMPLE_RATE 8000
+const int sound_length=${SAMPLE_LEN};
+const unsigned char sound_data[] PROGMEM= {"
+
+# Remove first line of sample.h
+echo "$(tail -n +2 sample.h)" > sample.h
+
+# Prepend new header to sample.h
+echo "$(echo "${NEW_HEADER}"; cat sample.h)" > sample.h