C C C The Most Beautiful Language and Most Dangerous Language in the Programming World! C 2 C C C 4 C Project 30 C Project 3 60 Project 40

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1 C C [email protected] C

2 C C C The Most Beautiful Language and Most Dangerous Language in the Programming World! C 2 C C C 4 C Project 30 C Project 3 60 Project 40

3 Week3 C Week5 Week5 Memory & Pointer Week7 (Data structure & Link List) Week9 Interrupt & Device Driver Week11 Coding Style Week11 Week13 ASIX OS Simulator Week13 ASIX Windows GUI Week15 ASIX Windows GUI Week15 ASIX Windows Course Project MS VC++ ASIX OS Simulator ASIX Window ASIX Windows ASIX Windows

Simulator Week13 ASIX Windows GUI Week15 ASIX Windows GUI Week15 ASIX

4 ASIX OS Simulator 120

5 C 1 C (The C Programming Language ) Brian W.Kernighan, Dennis M.Ritchie C Brian W. Kernighan Dennis M. Ritchie C 2 C Primer Plus (C Primer Plus) Stephen Prata Primer Plus C Primer Plus( ) C 3 C (Pointers on C) Kenneth A.Reek C C C 1 C (C Traps and Pitfalls) Andrew Koenig 1985 Bell C C C 2 C (Expert C Programming ) Perter Van Der LinDen C C++ C 3 C (C Programming : Just the Faqs ) Paul S.R.Chisholm c

Ritchie C 2 C Primer Plus (C Primer Plus) Stephen Prata Primer Plus C Primer Plus( ) C 3 C (Pointers

6 (1) C/C++ (Programming Embedded Systems in C and C++) Michael Barr (2) C/OS-II (MicroC/OS-II The Real-Time Kernel) Jean J.Labrosse C/OSII C/OSII C/OSII CPU (3) (Embedded Systems Building Blocks ) Jean J.Labrosse / C (1) IT (2) C C-FAQ ( ) (3) Programming in C C E

Labrosse C/OSII C/OSII C/OSII CPU (3) (Embedded Systems Building Blocks ) Jean J.

7 QUIZ 1 a a) An integer b) A pointer to an integer c) A pointer to a pointer to an integer d) 10 An array of integers e) 10 An array of 10 pointers to integers f) A pointer to a function that takes an integer as an argument and returns an integer g) 10 An array of ten pointers to functions that take an integer argument and return an integer

pointer to a function that takes an integer as an argument and returns an integer g)

8 2 static 3 const

9 4 volatile? 5 a a bit 3 a bit 3

10 6 0x67a9 0xaa66 ANSI 7 C interrupt interrupt (ISR) interrupt double compute_area (double radius) { double area = PI * radius * radius; printf(" Area = %f", area); return area; }

11 8 void foo(void) { unsigned int a = 6; int b = -20; (a+b > 6)? puts("> 6") : puts("<= 6"); } 9 C, int a = 5, b = 7, c; c = a+++b;

12 Answer! Quiz 1 Answer a) int a; // An integer b) int *a; // A pointer to an integer c) int **a; // A pointer to a pointer to an integer d) int a[10]; // An array of 10 integers e) int *a[10]; // An array of 10 pointers to integers f) int (*a)(int); // A pointer to a function a that takes an integer argument and returns an integer g) int (*a[10])(int); // An array of 10 pointers to functions that take an integer argument and return an integer

pointer to an integer d) int a[10]; // An array of 10 integers e) int *a[10]; // An array of 10 pointers to

13 Quiz 2 Answer C static 1). 2). 3). Quiz 3 Answer const int a; int const a; const int *a; int * const a; int const * a const; a a a a

14 CONST const const const const bug Quiz 4 Answer volatile volatile 1). 2). (Non-automatic variables) 3).

15 Quiz 5 Answer #define BIT3 (0x1<<3) static int a; void set_bit3(void) { a = BIT3; } void clear_bit3(void) { a &= ~BIT3; } int *ptr; ptr = (int *)0x67a9; *ptr = 0xaa55; Quiz 6 Answer

$clear_bit3(void) { a &= ~BIT3; } int *ptr;$

16 Quiz 7 Answer 1). ISR 2). ISR 3). / / / ISR ISR ISR 4). printf() Quiz 8 Answer >6-20 6

17 Quiz 9 Answer c = a++ + b;, a = 6, b = 7, c = 12 :

int p int a 0x00C7 0x00C7 0x00C int I[2], pi = &I[0]; pi++; char C[2], pc = &C[0]; pc++; float F[2], pf = &F[0]; pf++;

Memory & Pointer [email protected] 2.1 2.1.1 1 int *p int a 0x00C7 0x00C7 0x00C7 2.1.2 2 int I[2], *pi = &I[0]; pi++; char C[2], *pc = &C[0]; pc++; float F[2], *pf = &F[0]; pf++; 2.1.3 1. 2. 3. 3 int A,