From 21d397bc2e3c5253647cd5af6c78a56853c7bcee Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Sun, 22 Sep 2019 22:07:06 +0200
Subject: hardware geht erst mal

---
 .gitignore |  1 +
 Makefile   |  8 +++++++
 blink.c    | 73 --------------------------------------------------------------
 sensor.c   | 38 ++++++++++++++++++++++++++++++++
 4 files changed, 47 insertions(+), 73 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 Makefile
 delete mode 100644 blink.c
 create mode 100644 sensor.c

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c976511
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+sensor
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..87db357
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+CFLAGS=-Werror -O3 -pedantic
+
+sensor: sensor.c
+	gcc -o "$@" $(CFLAGS) -lwiringx $^
+
+all: sensor
+
+.PHONY: all
diff --git a/blink.c b/blink.c
deleted file mode 100644
index 4598503..0000000
--- a/blink.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
-	Copyright (c) 2016 CurlyMo <curlymoo1@gmail.com>
-
-  This Source Code Form is subject to the terms of the Mozilla Public
-  License, v. 2.0. If a copy of the MPL was not distributed with this
-  file, You can obtain one at http://mozilla.org/MPL/2.0/.
-*/
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-
-#include "wiringx.h"
-#include "../src/platform/platform.h"
-
-char *usage =
-	"Usage: %s platform GPIO\n"
-	"       GPIO is the GPIO to write to\n"
-	"Example: %s raspberrypi2 10\n";
-
-int main(int argc, char *argv[]) {
-	char *str = NULL, *platform = NULL;
-	char usagestr[130];
-	int gpio = 0, invalid = 0;
-
-	memset(usagestr, '\0', 130);
-
-	// expect only 1 argument => argc must be 2
-	if(argc != 3) {
-		snprintf(usagestr, 129, usage, argv[0], argv[0]);
-		puts(usagestr);
-		return -1;
-	}
-
-	// check for a valid, numeric argument
-	platform = argv[1];
-	str = argv[2];
-	while(*str != '\0') {
-		if(!isdigit(*str)) {
-			invalid = 1;
-		}
-		str++;
-	}
-	if(invalid == 1) {
-		printf("%s: Invalid GPIO %s\n", argv[0], argv[2]);
-		return -1;
-	}
-
-	gpio = atoi(argv[2]);
-
-	if(wiringXSetup(platform, NULL) == -1) {
-		wiringXGC();
-		return -1;
-	}
-
-	if(wiringXValidGPIO(gpio) != 0) {
-		printf("%s: Invalid GPIO %d\n", argv[0], gpio);
-		wiringXGC();
-		return -1;
-	}
-
-	pinMode(gpio, PINMODE_OUTPUT);
-	while(1) {
-		printf("Writing to GPIO %d: High\n", gpio);
-		digitalWrite(gpio, HIGH);
-		sleep(1);
-		printf("Writing to GPIO %d: Low\n", gpio);
-		digitalWrite(gpio, LOW);
-		sleep(1);
-	}
-}
diff --git a/sensor.c b/sensor.c
new file mode 100644
index 0000000..2c933da
--- /dev/null
+++ b/sensor.c
@@ -0,0 +1,38 @@
+/*
+	Copyright (c) 2016 CurlyMo <curlymoo1@gmail.com>
+
+  This Source Code Form is subject to the terms of the Mozilla Public
+  License, v. 2.0. If a copy of the MPL was not distributed with this
+  file, You can obtain one at http://mozilla.org/MPL/2.0/.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <unistd.h>
+
+#include "wiringx.h"
+
+int main() {
+
+	if(wiringXSetup("raspberrypi3", NULL) == -1) {
+		wiringXGC();
+		return -1;
+	}
+
+	pinMode(9, PINMODE_OUTPUT);
+	digitalWrite(9, HIGH);
+	pinMode(8, PINMODE_OUTPUT);
+	pinMode(9, PINMODE_INPUT);
+	while(1) {
+		printf("Writing to GPIO %d: High\n", 8);
+		digitalWrite(8, HIGH);
+printf("Reading from GPIO %d: %d\n", 9, digitalRead(9));
+		usleep(100000);
+		printf("Writing to GPIO %d: Low\n", 8);
+		digitalWrite(8, LOW);
+printf("Reading from GPIO %d: %d\n", 9, digitalRead(9));
+		usleep(100000);
+	}
+}
-- 
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