print.h

blackfin531处理器实时时钟程序,一秒一秒走,适用于初学者学习硬件blackfin系列dsp编程

#include <stdarg.h>

typedef struct
{
    int dest;
    void (*func)(char);
    char *loc;
} PRINTK_INFO;

#define FALSE 0
#define TRUE 1

#define DEST_CONSOLE    (1)
#define DEST_STRING     (2)

#define FLAGS_MINUS     (0x01)
#define FLAGS_PLUS      (0x02)
#define FLAGS_SPACE     (0x04)
#define FLAGS_ZERO      (0x08)
#define FLAGS_POUND     (0x10)

#define IS_FLAG_MINUS(a)    (a & FLAGS_MINUS)
#define IS_FLAG_PLUS(a)     (a & FLAGS_PLUS)
#define IS_FLAG_SPACE(a)    (a & FLAGS_SPACE)
#define IS_FLAG_ZERO(a)     (a & FLAGS_ZERO)
#define IS_FLAG_POUND(a)    (a & FLAGS_POUND)

#define LENMOD_h        (0x01)
#define LENMOD_l        (0x02)
#define LENMOD_L        (0x04)

#define IS_LENMOD_h(a)  (a & LENMOD_h)
#define IS_LENMOD_l(a)  (a & LENMOD_l)
#define IS_LENMOD_L(a)  (a & LENMOD_L)

#define FMT_d   (0x0001)
#define FMT_o   (0x0002)
#define FMT_x   (0x0004)
#define FMT_X   (0x0008)
#define FMT_u   (0x0010)
#define FMT_c   (0x0020)
#define FMT_s   (0x0040)
#define FMT_p   (0x0080)
#define FMT_n   (0x0100)

#define IS_FMT_d(a)     (a & FMT_d)
#define IS_FMT_o(a)     (a & FMT_o)
#define IS_FMT_x(a)     (a & FMT_x)
#define IS_FMT_X(a)     (a & FMT_X)
#define IS_FMT_u(a)     (a & FMT_u)
#define IS_FMT_c(a)     (a & FMT_c)
#define IS_FMT_s(a)     (a & FMT_s)
#define IS_FMT_p(a)     (a & FMT_p)
#define IS_FMT_n(a)     (a & FMT_n)
void serial_putc( char c);
static void
printk_putc (char c, int *count, PRINTK_INFO *info);
static int
printk_mknumstr (char *numstr, void *nump, int neg, int radix);
static void
printk_pad_zero (int curlen, int field_width, int *count, PRINTK_INFO *info);
static void
printk_pad_space (int curlen, int field_width, int *count, PRINTK_INFO *info);
int
printk (PRINTK_INFO *info, const char *fmt, va_list ap);
int
printD (const char *fmt, ...);
int
sprintD (char *s, const char *fmt, ...);
void serial_putc( char c);