From 46674af3fe69e861e826c73f684d66e4476bd7cc Mon Sep 17 00:00:00 2001
From: Emil Miler <emil.miler@pedf.cuni.cz>
Date: Fri, 3 Jan 2020 16:40:58 +0100
Subject: [PATCH] Initial commit

---
 src/rx.ino | 40 ++++++++++++++++++++++++++++++++++++++++
 src/tx.ino | 32 ++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 src/rx.ino
 create mode 100644 src/tx.ino

diff --git a/src/rx.ino b/src/rx.ino
new file mode 100644
index 0000000..75424b7
--- /dev/null
+++ b/src/rx.ino
@@ -0,0 +1,40 @@
+#include <RH_ASK.h>
+#include <SPI.h>
+#include <stdint.h>
+
+RH_ASK driver(2000);
+
+void setup()
+{
+	Serial.begin(9600);
+	if (!driver.init()) Serial.println("init failed");
+
+	pinMode(3, OUTPUT);
+	pinMode(5, OUTPUT);
+	pinMode(6, OUTPUT);
+}
+
+void loop()
+{
+	uint8_t buf[4];
+
+	if (driver.recv(buf, &4)){
+		int buffer = atoi((char*)buf);
+		int channel = buffer%10;
+		int value = buffer/10;
+
+		switch(channel){
+			case 0:
+				channel = 3;
+				break;
+			case 1:
+				channel = 5;
+				break;
+			case 2:
+				channel = 6;
+				break;
+		}
+
+		analogWrite(channel, value);
+	}
+}
diff --git a/src/tx.ino b/src/tx.ino
new file mode 100644
index 0000000..299aae4
--- /dev/null
+++ b/src/tx.ino
@@ -0,0 +1,32 @@
+#include <RH_ASK.h>
+#include <SPI.h>
+#include <stdint.h>
+
+RH_ASK driver(2000);
+
+int lastval[] = {0,0,0};
+
+void setup()
+{
+	Serial.begin(9600);
+	if (!driver.init()) Serial.println("init failed");
+}
+
+void loop()
+{
+
+	for(int i=0; i < 3; i++){
+		int val = analogRead(i)/4;
+
+		if(val >= lastval[i]+3 || val <= lastval[i]-3){
+			char msg[4];
+			lastval[i] = val;
+			sprintf(msg, "%d%d", val, i);
+			Serial.println(msg);
+			driver.send((uint8_t *)msg, 4);
+			driver.waitPacketSent();
+		}
+	}
+
+	delay(8);
+}