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serginhofr |
/* file: libc.c
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* description: small C library prototypes
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* date: 09/2015
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* author: Sergio Johann Filho <sergio.filho@pucrs.br>
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*/
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/*
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constants, tests and transformations
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*/
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#define NULL ((void *)0)
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#define USED 1
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#define TRUE 1
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#define FALSE 0
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#define isprint(c) (' '<=(c)&&(c)<='~')
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#define isspace(c) ((c)==' '||(c)=='\t'||(c)=='\n'||(c)=='\r')
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#define isdigit(c) ('0'<=(c)&&(c)<='9')
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#define islower(c) ('a'<=(c)&&(c)<='z')
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#define isupper(c) ('A'<=(c)&&(c)<='Z')
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#define isalpha(c) (islower(c)||isupper(c))
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#define isalnum(c) (isalpha(c)||isdigit(c))
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#define min(a,b) ((a)<(b)?(a):(b))
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#define ntohs(A) (((A)>>8) | (((A)&0xff)<<8))
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#define ntohl(A) (((A)>>24) | (((A)&0xff0000)>>8) | (((A)&0xff00)<<8) | ((A)<<24))
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/*
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custom C library
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*/
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extern void putchar(int32_t value);
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extern int32_t kbhit(void);
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extern int32_t getchar(void);
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extern int8_t *strcpy(int8_t *dst, const int8_t *src);
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extern int8_t *strncpy(int8_t *s1, int8_t *s2, int32_t n);
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extern int8_t *strcat(int8_t *dst, const int8_t *src);
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extern int8_t *strncat(int8_t *s1, int8_t *s2, int32_t n);
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extern int32_t strcmp(const int8_t *s1, const int8_t *s2);
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extern int32_t strncmp(int8_t *s1, int8_t *s2, int32_t n);
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extern int8_t *strstr(const int8_t *string, const int8_t *find);
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extern int32_t strlen(const int8_t *s);
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extern int8_t *strchr(const int8_t *s, int32_t c);
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extern int8_t *strpbrk(int8_t *str, int8_t *set);
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extern int8_t *strsep(int8_t **pp, int8_t *delim);
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extern int8_t *strtok(int8_t *s, const int8_t *delim);
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extern void *memcpy(void *dst, const void *src, uint32_t n);
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extern void *memmove(void *dst, const void *src, uint32_t n);
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extern int32_t memcmp(const void *cs, const void *ct, uint32_t n);
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extern void *memset(void *s, int32_t c, uint32_t n);
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extern int32_t strtol(const int8_t *s, int8_t **end, int32_t base);
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extern int32_t atoi(const int8_t *s);
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extern float atof(const int8_t *p);
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extern int8_t *itoa(int32_t i, int8_t *s, int32_t base);
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extern int32_t puts(const int8_t *str);
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extern int8_t *gets(int8_t *s);
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extern int32_t abs(int32_t n);
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extern int32_t random(void);
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extern void srand(uint32_t seed);
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extern int32_t printf(const int8_t *fmt, ...);
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extern int32_t sprintf(int8_t *out, const int8_t *fmt, ...);
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/*
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auxiliary routines / interrupt management
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*/
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extern void uart_init(uint32_t baud);
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extern void delay_ms(uint32_t msec);
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extern void delay_us(uint32_t usec);
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void interrupt_handler(uint32_t cause, uint32_t *stack);
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void interrupt_register(uint32_t mask, funcptr ptr);
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