From 7eb9573229189a0f9d203998f3fdfefa055de2a4 Mon Sep 17 00:00:00 2001
From: Tristan Krause <tristan.krause@stud.htwk-leipzig.de>
Date: Tue, 26 Mar 2019 16:30:49 +0100
Subject: [PATCH] im Moment fehlerhafte WDT Konfig

---
 B15F.aps        |   2 +-
 B15F.elf        | Bin 11972 -> 12852 bytes
 B15F.hex        | 255 +++++++++++++++++++++++++++---------------------
 global_vars.cpp |   2 +
 global_vars.h   |   2 +
 main.cpp        |  62 +++++++++---
 requests.cpp    |  55 +++++++++++
 requests.h      |  14 +++
 selftest.cpp    |   4 +
 selftest.h      |   1 +
 10 files changed, 273 insertions(+), 124 deletions(-)

diff --git a/B15F.aps b/B15F.aps
index e608e9b..f16887a 100644
--- a/B15F.aps
+++ b/B15F.aps
@@ -1 +1 @@
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index eb2397583372d858c3d8048ec2a98ca77b30ae4a..5b9b1322bd08c95f6fc5edf97b942fb38d54f379 100644
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diff --git a/B15F.hex b/B15F.hex
index b59e8ef..f6ef084 100644
--- a/B15F.hex
+++ b/B15F.hex
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 :00000001FF
diff --git a/global_vars.cpp b/global_vars.cpp
index ac6f544..9b88db9 100644
--- a/global_vars.cpp
+++ b/global_vars.cpp
@@ -8,3 +8,5 @@ TLC5615 dac0(spi, SPIADR::AA0);
 TLC5615 dac1(spi, SPIADR::AA1);
 ADU adu;
 USART usart;
+
+bool ACK_MODE = 1;
diff --git a/global_vars.h b/global_vars.h
index c7ecd0c..d6206c2 100644
--- a/global_vars.h
+++ b/global_vars.h
@@ -15,4 +15,6 @@ extern TLC5615 dac1;
 extern ADU adu;
 extern USART usart;
 
+extern bool ACK_MODE;
+
 #endif // GLOBAL_VARS_H
diff --git a/main.cpp b/main.cpp
index 2dad6ac..0759438 100644
--- a/main.cpp
+++ b/main.cpp
@@ -7,20 +7,21 @@
 #include "requests.h"
 
 
-#define LED PB0
+
 
 ISR(WDT_vect)
 {
-	while(1)
-	{
-		PORTB ^= _BV(LED);
-		_delay_ms(200);
-	}
 	WDTCSR |= _BV(WDIE);
 }
 
 void initAll()
 {
+	// Konfiguriere WDT
+	WDTCSR = _BV(WDIE);
+	wdt_enable(WDTO_1S);
+	wdt_reset();
+	//wdt_disable();
+
 	spi.init();
 
 	beba0.setDirA(0x00); // alle Ausgang
@@ -31,6 +32,9 @@ void initAll()
 
 	adu.init();
 	usart.init();
+
+	// aktiviere Interrupts
+	sei();
 }
 
 void handleRequest()
@@ -54,6 +58,34 @@ void handleRequest()
 			rqTestIntConv();
 			break;
 
+		case RQ_BA0:
+			rqDigitalWrite0();
+			break;
+
+		case RQ_BA1:
+			rqDigitalWrite1();
+			break;
+
+		case RQ_BE0:
+			rqDigitalRead0();
+			break;
+
+		case RQ_BE1:
+			rqDigitalRead1();
+			break;
+
+		case RQ_AA0:
+			rqAnalogWrite0();
+			break;
+
+		case RQ_AA1:
+			rqAnalogWrite1();
+			break;
+
+		case RQ_ADC:
+			rqAnalogRead();
+			break;
+
 		default:
 			break;
 	}
@@ -61,17 +93,23 @@ void handleRequest()
 
 int main()
 {
-	/*WDTCSR = _BV(WDIE) | _BV(WDP3) | _BV(WDP0);
-	DDRB |= _BV(LED);
-	PORTB &= ~_BV(LED);
-	wdt_reset();
-	sei();*/
 
 	initAll();
-	
+
+	// DEBUGGING, spaeter entfernen!
+	for(int i = 0; i < 3; i++)
+	{
+		beba0.writePortA(0xFF);
+		_delay_ms(100);
+		beba0.writePortA(0x00);
+		_delay_ms(100);
+		wdt_reset();
+	}
+
 	while(1)
 	{
 		handleRequest();
+		wdt_reset();
 	}
 
 	return 0;
diff --git a/requests.cpp b/requests.cpp
index 236b99a..3d483a7 100644
--- a/requests.cpp
+++ b/requests.cpp
@@ -16,3 +16,58 @@ void rqTestIntConv()
 {
 	usart.writeInt(usart.readInt() * 3);
 }
+
+void rqDigitalWrite0()
+{
+	uint8_t port = usart.readByte();
+	beba0.writePortA(port);
+
+	if(ACK_MODE)
+		usart.writeByte(USART::MSG_OK);
+}
+
+void rqDigitalWrite1()
+{
+	uint8_t port = usart.readByte();
+	beba1.writePortA(port);
+
+	if(ACK_MODE)
+		usart.writeByte(USART::MSG_OK);
+}
+
+void rqDigitalRead0()
+{
+	uint8_t port = beba0.readPortB();
+	usart.writeByte(port);
+}
+
+void rqDigitalRead1()
+{
+	uint8_t port = beba1.readPortB();
+	usart.writeByte(port);
+}
+
+void rqAnalogWrite0()
+{
+	uint16_t value = usart.readInt();
+	dac0.setValue(value);
+
+	if(ACK_MODE)
+		usart.writeByte(USART::MSG_OK);
+}
+
+void rqAnalogWrite1()
+{
+	uint16_t value = usart.readInt();
+	dac1.setValue(value);
+
+	if(ACK_MODE)
+		usart.writeByte(USART::MSG_OK);
+}
+
+void rqAnalogRead()
+{
+	uint8_t channel = usart.readByte();
+	uint16_t value = adu.getValue(channel);
+	usart.writeInt(value);
+}
diff --git a/requests.h b/requests.h
index b62c9b2..00f1324 100644
--- a/requests.h
+++ b/requests.h
@@ -7,10 +7,24 @@ constexpr static uint8_t RQ_DISC = 0;
 constexpr static uint8_t RQ_TEST = 1;
 constexpr static uint8_t RQ_INFO = 2;
 constexpr static uint8_t RQ_INT  = 3;
+constexpr static uint8_t RQ_BA0  = 5;
+constexpr static uint8_t RQ_BA1  = 6;
+constexpr static uint8_t RQ_BE0  = 7;
+constexpr static uint8_t RQ_BE1  = 8;
+constexpr static uint8_t RQ_AA0  = 9;
+constexpr static uint8_t RQ_AA1  = 10;
+constexpr static uint8_t RQ_ADC  = 11;
 
 void rqTestConnection(void);
 void rqBoardInfo(void);
 void rqTestIntConv(void);
 void rqTestLongConv(void);
+void rqDigitalWrite0(void);
+void rqDigitalWrite1(void);
+void rqDigitalRead0(void);
+void rqDigitalRead1(void);
+void rqAnalogWrite0(void);
+void rqAnalogWrite1(void);
+void rqAnalogRead(void);
 
 #endif // REQUESTS_H
diff --git a/selftest.cpp b/selftest.cpp
index 911d54e..2cf7bd2 100644
--- a/selftest.cpp
+++ b/selftest.cpp
@@ -55,6 +55,10 @@ void testDAC1(void)
 
 void testMirror()
 {
+	// deaktiviere WDT
+	wdt_disable();
+
+	// Endlosschleife
 	while(1)
 	{
 		dac0.setValue(adu.getValue(0));
diff --git a/selftest.h b/selftest.h
index 0035ed1..5a95f5f 100644
--- a/selftest.h
+++ b/selftest.h
@@ -1,6 +1,7 @@
 #ifndef SELFTEST_H
 #define SELFTEST_H
 
+#include <avr/wdt.h>
 #include "global_vars.h"
 
 void testAll(void);