From 734580cabab838ef4142e4cb9bfbacdd51aae9fc Mon Sep 17 00:00:00 2001
From: Peter Gerwinski <peter.gerwinski@hs-bochum.de>
Date: Sun, 21 Nov 2021 21:24:11 +0100
Subject: [PATCH] Weitere Beispiele 15.11.2021
---
20211115/blink-0a.c | 9 +++++++++
20211115/blink-2.c | 2 +-
20211115/blink-2a.c | 16 ++++++++++++++++
20211115/blink-2b.c | 16 ++++++++++++++++
20211115/blink-4.c | 8 ++++----
20211115/int-types-1.c | 9 +++++++++
20211115/int-types-2.c | 9 +++++++++
20211115/int-types-3.c | 9 +++++++++
20211115/int-types-4.c | 9 +++++++++
20211115/int-types-5.c | 11 +++++++++++
20211115/int-types-6.c | 10 ++++++++++
20211115/int-types-7.c | 8 ++++++++
20211115/int-types-7.txt | 15 +++++++++++++++
20211115/int-types-8.c | 10 ++++++++++
20211115/int-types-9.c | 10 ++++++++++
15 files changed, 146 insertions(+), 5 deletions(-)
create mode 100644 20211115/blink-0a.c
create mode 100644 20211115/blink-2a.c
create mode 100644 20211115/blink-2b.c
create mode 100644 20211115/int-types-1.c
create mode 100644 20211115/int-types-2.c
create mode 100644 20211115/int-types-3.c
create mode 100644 20211115/int-types-4.c
create mode 100644 20211115/int-types-5.c
create mode 100644 20211115/int-types-6.c
create mode 100644 20211115/int-types-7.c
create mode 100644 20211115/int-types-7.txt
create mode 100644 20211115/int-types-8.c
create mode 100644 20211115/int-types-9.c
diff --git a/20211115/blink-0a.c b/20211115/blink-0a.c
new file mode 100644
index 0000000..45e90fe
--- /dev/null
+++ b/20211115/blink-0a.c
@@ -0,0 +1,9 @@
+#include <avr/io.h>
+
+int main (void)
+{
+ DDRD = 0xff; /* binär: 1111 1111 */
+ PORTD = 0x40; /* binär: 0100 0000 */
+ while (1);
+ return 0;
+}
diff --git a/20211115/blink-2.c b/20211115/blink-2.c
index b00eaf5..9389b19 100644
--- a/20211115/blink-2.c
+++ b/20211115/blink-2.c
@@ -5,7 +5,7 @@
int main (void)
{
- DDRD = 0x02;
+ DDRD = 0x02; /* binär: 0000 0010 */
PORTD = 0x02;
while (1)
{
diff --git a/20211115/blink-2a.c b/20211115/blink-2a.c
new file mode 100644
index 0000000..a226654
--- /dev/null
+++ b/20211115/blink-2a.c
@@ -0,0 +1,16 @@
+#include <avr/io.h>
+
+#define F_CPU 16000000l
+#include <util/delay.h>
+
+int main (void)
+{
+ DDRD = 0x02; /* binär: 0000 0010 */
+ PORTD = 0x02;
+ while (1)
+ {
+ _delay_ms (500);
+ PORTD = PORTD ^ 0x02;
+ }
+ return 0;
+}
diff --git a/20211115/blink-2b.c b/20211115/blink-2b.c
new file mode 100644
index 0000000..90ed36c
--- /dev/null
+++ b/20211115/blink-2b.c
@@ -0,0 +1,16 @@
+#include <avr/io.h>
+
+#define F_CPU 16000000l
+#include <util/delay.h>
+
+int main (void)
+{
+ DDRB = 1 << 5;
+ PORTB = 1 << 5;
+ while (1)
+ {
+ _delay_ms (500);
+ PORTB ^= 1 << 5;
+ }
+ return 0;
+}
diff --git a/20211115/blink-4.c b/20211115/blink-4.c
index 7344aa7..ceafab6 100644
--- a/20211115/blink-4.c
+++ b/20211115/blink-4.c
@@ -5,11 +5,11 @@
int main (void)
{
- DDRD = 0x01;
- PORTD = 0x01;
- while (1)
+ DDRD = 0x01; /* binär: 0000 0001 */
+ PORTD = 0x01; /* ^ Ouptut */
+ while (1) /* ^ Input */
{
- while ((PIND & 0x02) == 0)
+ while ((PIND & 0x02) == 0) /* binär: 0000 0010 */
; /* just wait */
PORTD ^= 0x01;
_delay_ms (200);
diff --git a/20211115/int-types-1.c b/20211115/int-types-1.c
new file mode 100644
index 0000000..832e6c5
--- /dev/null
+++ b/20211115/int-types-1.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main (void)
+{
+ uint64_t x = 42;
+ printf ("Die Antwort lautet: %d\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-2.c b/20211115/int-types-2.c
new file mode 100644
index 0000000..0f1cef1
--- /dev/null
+++ b/20211115/int-types-2.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %d\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-3.c b/20211115/int-types-3.c
new file mode 100644
index 0000000..caa5883
--- /dev/null
+++ b/20211115/int-types-3.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %ld\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-4.c b/20211115/int-types-4.c
new file mode 100644
index 0000000..572dba1
--- /dev/null
+++ b/20211115/int-types-4.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %lld\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-5.c b/20211115/int-types-5.c
new file mode 100644
index 0000000..1d41e53
--- /dev/null
+++ b/20211115/int-types-5.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %"
+ "ld"
+ "\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-6.c b/20211115/int-types-6.c
new file mode 100644
index 0000000..dd04eaa
--- /dev/null
+++ b/20211115/int-types-6.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %" PRIu64 "\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-7.c b/20211115/int-types-7.c
new file mode 100644
index 0000000..42acfc3
--- /dev/null
+++ b/20211115/int-types-7.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include <inttypes.h>
+
+int main (void)
+{
+ printf ("Die Formatspezifikation lautet: %s\n", PRIu64);
+ return 0;
+}
diff --git a/20211115/int-types-7.txt b/20211115/int-types-7.txt
new file mode 100644
index 0000000..15df839
--- /dev/null
+++ b/20211115/int-types-7.txt
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <inttypes.h>
+
+int main (void)
+{
+ printf ("Die Formatspezifikation lautet: %s\n", PRIu64);
+ return 0;
+}
+cassini/home/peter/bo/2021ws/hp/20211115> gcc -m32 -Wall -O int-types-7.c -o int-types-7
+cassini/home/peter/bo/2021ws/hp/20211115> ./int-types-7
+Die Formatspezifikation lautet: llu
+cassini/home/peter/bo/2021ws/hp/20211115> gcc -Wall -O int-types-7.c -o int-types-7
+cassini/home/peter/bo/2021ws/hp/20211115> ./int-types-7
+Die Formatspezifikation lautet: lu
+cassini/home/peter/bo/2021ws/hp/20211115>
diff --git a/20211115/int-types-8.c b/20211115/int-types-8.c
new file mode 100644
index 0000000..0bd4ad7
--- /dev/null
+++ b/20211115/int-types-8.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %" PRIx64 "\n", x);
+ return 0;
+}
diff --git a/20211115/int-types-9.c b/20211115/int-types-9.c
new file mode 100644
index 0000000..bb987ef
--- /dev/null
+++ b/20211115/int-types-9.c
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+int main (void)
+{
+ uint64_t x = 42000000000;
+ printf ("Die Antwort lautet: %016" PRIx64 "\n", x);
+ return 0;
+}
--
GitLab