Programmierung: Unterschied zwischen den Versionen

Aus Wiki_2020
Wezi (Diskussion | Beiträge)
Wezi (Diskussion | Beiträge)
 
(Eine dazwischenliegende Version desselben Benutzers wird nicht angezeigt)
Zeile 11: Zeile 11:
*[https://learn.adafruit.com/welcome-to-circuitpython/overview Circuitpyton @adafruit ]<br>
*[https://learn.adafruit.com/welcome-to-circuitpython/overview Circuitpyton @adafruit ]<br>
*[https://docs.circuitpython.org/en/latest/docs/index.html Docs]
*[https://docs.circuitpython.org/en/latest/docs/index.html Docs]
*[https://code.circuitpython.org online Programming IDE]


=== Python ===
=== Python ===
Zeile 91: Zeile 92:


=== C ===
=== C ===
''' Tutorials, allg. Wissen zu C  '''
*[https://www.heise.de/hintergrund/Einfuehrung-in-die-Programmiersprache-C-9871116.html?seite=all Einfuehrung in die Programmiersprache C]
* [https://de.wikibooks.org/wiki/C-Programmierung:_Eigene_Header C-Programmierung Wikibooks]
* [https://www.proggen.org/doku.php?id=c:start C-Programmierung allgemein]
* [http://pic-projekte.de/wordpress/?cat=15 PIC C XC8 Tutorial]
* [https://web.archive.org/web/20190210001158/http://www.c4learn.com/c-programming C-programmierung]
* [https://en.wikipedia.org/wiki/Circular_buffer Ringpuffer]
* [http://www.zentut.com/c-tutorial/ C-Tutorial]
* [http://www.c-howto.de/tutorial.html Das C Tutorial (deutsch)]
* [http://microchip.wikidot.com/tls2101:start Fundamentals of the C Programming Language]
'''Arduino IDE'''
'''Arduino IDE'''
* [https://learn.adafruit.com/using-the-adafruit-unified-sensor-driver unified Sensor Driver]
* [https://learn.adafruit.com/using-the-adafruit-unified-sensor-driver unified Sensor Driver]
Zeile 179: Zeile 191:
# [https://cboard.cprogramming.com/c-programming/99735-embedded-menu-system-2.html Embedded Menuesystem]
# [https://cboard.cprogramming.com/c-programming/99735-embedded-menu-system-2.html Embedded Menuesystem]
* [http://www.geeksforgeeks.org/c/ A computer science portal for geeks ]
* [http://www.geeksforgeeks.org/c/ A computer science portal for geeks ]
* [https://de.wikibooks.org/wiki/C-Programmierung:_Eigene_Header C-Programmierung Wikibooks]
* [https://www.proggen.org/doku.php?id=c:start C-Programmierung allgemein]
* [http://pic-projekte.de/wordpress/?cat=15 PIC C XC8 Tutorial]
* [http://www.c4learn.com/c-programming/c-pointer-array-structure/ C-programmierung]
* [https://en.wikipedia.org/wiki/Circular_buffer Ringpuffer]
* [http://www.zentut.com/c-tutorial/ C-Tutorial]
* [http://www.c-howto.de/tutorial.html Das C Tutorial (deutsch)]
* [http://microchip.wikidot.com/tls2101:start Fundamentals of the C Programming Language]


=== MYSQL ===
=== MYSQL ===

Aktuelle Version vom 10. Dezember 2024, 10:39 Uhr

Zeug

(needs to be sorted)

Onlinetools

Circuitpython

Python

https://realpython.com/lessons/sphinx-basics-python/ Sphinx

  • Venv

- erstellen:

python3 -m venv sphinx-env

- aktivieren

source sphinx-env/bin/activate

- deaktivieren

deactivate

Codeexamples

#An example of a class
class Shape:
   def __init__(self, x, y):
       self.x = x
       self.y = y
       self.description = "This shape has not been described yet"
       self.author = "Nobody has claimed to make this shape yet"
   def area(self):
       return self.x * self.y
   def perimeter(self):
       return 2 * self.x + 2 * self.y
   def describe(self, text):
       self.description = text
   def authorName(self, text):
       self.author = text
   def scaleSize(self, scale):
       self.x = self.x * scale
       self.y = self.y * scale
#create 3 objekts of shape        
    rectangle = Shape(100, 45)  
    long_rectangle = Shape(120,10)
    fat_rectangle = Shape(130,120)
#finding the area of your rectangle:
    print(rectangle.area())
#finding the perimeter of your rectangle:
    print(rectangle.perimeter())
#describing the rectangle
    rectangle.describe("A wide rectangle, more than twice\
    as wide as it is tall")
#making the rectangle 50% smaller
    rectangle.scaleSize(0.5)
#re-printing the new area of the rectangle
    print(rectangle.area())

Tkinter

Diverse

C

Tutorials, allg. Wissen zu C

Arduino IDE

  • Pi pico
  1. interrupt 1
  2. interrupt 2
  • Pointers
  1. struct&pointer
  2. Pointer 2 Structs
  3. Arduino Pointers
  4. Pointers
#include <stdio.h>
#include <stdlib.h>
int main(void) {
  int x = 5; // Integervariable
  int *ptr ; // Pointer für Int variable
  ptr = &x;  // auf Adresse von x referenzieren
  printf("x ist %d \n",x);
  printf("Die Adresse von x ist %p \n",ptr);
  printf("Der Wert x ist %d \n",*ptr);   
  return EXIT_SUCCESS;
}
/* ptr1.c */
#include <stdio.h>
#include <stdlib.h>
struct menu
{
  int item;
  char titel[5];
};
int main(void) {
int n=2;
struct menu *ptr;
ptr = (struct menu*) malloc(n * sizeof(struct menu));
printf("Die Adresse von x ist %p \n",ptr);
char i1[] = "test_1";
ptr->item = 8;
//ptr->titel = i1;
(ptr+n)->item = 10;
//int x = 5; // Integervariable
 // int *ptr ; // Pointer für Int variable
 // ptr = &x;  // auf Adresse von x referenzieren
 // printf("x ist %d \n",x);
 // printf("size of struct is %u \n",sizeof(struct menu));
printf("Der Wert x ist %d \n",ptr->item);
printf("Der Wert x ist %d \n",(ptr+n)->item);
 // printf("Der Wert x ist %d \n",menu.item);
 return EXIT_SUCCESS;
}
/* ptr1.c */
#include <stdio.h>
#include <stdlib.h>
struct menu
{
  int item;
  char titel[5];
};
int main(void) {
int n=2;
struct menu *ptr;
ptr = (struct menu*) malloc(n * sizeof(struct menu));
printf("Die Adresse von x ist %p \n",ptr);
char array[5] = "tast";
char (*arptr)[5]; // pointer 2 array
arptr = &array;   // pointer referenzieren
ptr->item = 8;
//ptr->titel = &arptr;
(ptr+n)->item = 10;
//int x = 5; // Integervariable
// int *ptr ; // Pointer für Int variable
// ptr = &x;  // auf Adresse von x referenzieren
// printf("x ist %d \n",x);
printf("i1 is %s \n",array);
printf("Der item[0] ist %d \n",ptr->item);
printf("Der item[1] ist %d \n",(ptr+n)->item);
printf("Die Adresse von aptr ist %p \n",&arptr);
printf("Die Wert an Adresse von aptr ist %s \n",*arptr);
return EXIT_SUCCESS;
}


  • Menu
  1. Menue C
  2. Embedded Menuesystem

MYSQL

Escape 
Sequence    Character Represented by Sequence
  \0         An ASCII NUL (0x00) character.
  \'         A single quote (“'”) character.
  \"         A double quote (“"”) character.
  \b         A backspace character.
  \n         A newline (linefeed) character.
  \r         A carriage return character.
  \t         A tab character.
  \Z         ASCII 26 (Control+Z).
  \\         A backslash (“\”) character.
  \%         A “%” character. 
  \_         A “_” character.