replace setpineled C program with a shell script

Signed-off-by: Stacy Harper <contact@stacyharper.net>

Makefile

@@ -3,7 +3,6 @@ PREFIX:=/usr
 .PHONY: install shellcheck
 
 PROGRAMS = \
-	programs/sxmo_setpineled \
 	programs/sxmo_megiaudioroute \
 	programs/sxmo_vibratepine
 
@@ -14,9 +13,6 @@ test: shellcheck
 shellcheck:
 	shellcheck -x scripts/*/*
 
-programs/sxmo_setpineled: programs/sxmo_setpineled.c
-	gcc -o programs/sxmo_setpineled programs/sxmo_setpineled.c
-
 programs/sxmo_megiaudioroute: programs/sxmo_megiaudioroute.c
 	gcc -o programs/sxmo_megiaudioroute programs/sxmo_megiaudioroute.c
 
@@ -24,7 +20,7 @@ programs/sxmo_vibratepine: programs/sxmo_vibratepine.c
 	gcc -o programs/sxmo_vibratepine programs/sxmo_vibratepine.c
 
 clean:
-	rm -f programs/sxmo_setpineled programs/sxmo_megiaudioroute programs/sxmo_vibratepine
+	rm -f programs/sxmo_megiaudioroute programs/sxmo_vibratepine
 
 install: $(PROGRAMS)
 	cd configs && find . -type f -exec install -D -m 0644 "{}" "$(DESTDIR)$(PREFIX)/share/sxmo/{}" \; && cd ..
@@ -52,8 +48,6 @@ install: $(PROGRAMS)
 	# Bin
 	install -D -t $(DESTDIR)$(PREFIX)/bin scripts/*/*
 
-	install -D -m 0755 programs/sxmo_setpineled $(DESTDIR)$(PREFIX)/bin/
-
 	install -D programs/sxmo_megiaudioroute $(DESTDIR)$(PREFIX)/bin/
 	install -D programs/sxmo_vibratepine $(DESTDIR)$(PREFIX)/bin/
 	@echo "-------------------------------------------------------------------">&2

programs/sxmo_setpineled.c

@@ -1,52 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-void usage() {
-	fprintf(stderr, "Usage: setpineled [red|green|blue|white] [0-255]\n");
-}
-
-int main(int argc, char *argv[]) {
-	int brightness;
-	char * color;
-	char * command;
-	char * type;
-
-	if (argc < 2) {
-		usage();
-		return 1;
-	}
-	argc--;
-	brightness = atoi(argv[argc--]);
-
-	if (brightness < 0 || brightness > 255) {
-		usage();
-		return 1;
-	}
-
-	color = argv[argc--];
-	if (
-		strcmp(color, "red") &&
-		strcmp(color, "blue") &&
-		strcmp(color, "green") &&
-		strcmp(color, "white")
-	) {
-		usage();
-		return 1;
-	}
-
-	if (!strcmp(color, "white")) {
-		type = "flash";
-	} else {
-		type = "indicator";
-	}
-
-	command = malloc(80);
-	sprintf(
-		command,
-		"sh -c 'echo %d > /sys/class/leds/%s:%s/brightness'",
-		brightness, color, type
-	);
-	return system(command);
-}

scripts/core/sxmo_blinkled.sh

@@ -6,12 +6,12 @@
 
 PIDS=""
 for i in "$@"; do
-	sxmo_setpineled "$i" 150 &
+	sxmo_setpineled.sh "$i" 150 &
 	PIDS="$PIDS $!"
 done
 
 echo "$PIDS" | grep -E '[^ ]+' | xargs wait
 
 for i in "$@"; do
-	sxmo_setpineled "$i" 0
+	sxmo_setpineled.sh "$i" 0
 done

scripts/core/sxmo_flashtoggle.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env sh
-sxmo_setpineled white "$(
+sxmo_setpineled.sh white "$(
 	grep -qE '^0$' /sys/class/leds/white:flash/brightness &&
 	echo 255 || echo 0
 )"

scripts/core/sxmo_setpineled.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+usage () {
+	printf "usage: %s [red|green|blue|white] [0-255]\n" "$0"
+	exit 1
+}
+
+[ $# -lt 2 ] && usage
+
+case $1 in
+	red|green|blue) color="$1"; type="indicator" ;;
+	white) color="$1"; type="flash" ;;
+	*) usage ;;
+esac
+
+if [ "$2" -lt 0 ] || [ "$2" -gt 255 ]
+then
+	usage
+fi
+
+brightness="$2"
+
+printf "%s\n" "$brightness" > "/sys/class/leds/$color:$type/brightness"

scripts/notifications/sxmo_notificationmonitor.sh

@@ -43,10 +43,10 @@ recreateexistingnotifs() {
 }
 
 syncled() {
-	sxmo_setpineled green 0
+	sxmo_setpineled.sh green 0
 	if [ "$(find "$NOTIFDIR"/ -type f | wc -l)" -gt 0 ]; then
 		sleep 0.1
-		sxmo_setpineled green 1
+		sxmo_setpineled.sh green 1
 	fi
 }