int putchar(int c)
{
extern int32_t _the_console_fd;
extern long xTaskGetSchedulerState( void );
extern unsigned long getNesting( void );
if ((intContext() == TRUE) || (_the_console_fd <= 0)
|| (getNesting() > 0)) //|| (xTaskGetSchedulerState() != 1))
{
/* 在终端中或调度器未运行时直接调用底层输出保证不使用taskDelay */
if (c == '\n')
{
bsp_putchar('\r');
}
bsp_putchar((unsigned char)c);
}
else
{
if((c) == '\n')
{
char ch = '\r';
dev_write(_the_console_fd, (uint8_t* )&ch, 1);
}
dev_write(_the_console_fd, (uint8_t* )&c, 1);
}
return 1;
}
void bsp_put_string(char *string)
{
while (*string != '\0')
{
bsp_putchar(*string);
string++;
}
}
void bsp_printf(char * pcStr,...)
{
char *argP;
vaStart(argP, pcStr); /* point at the end of the format string */
while (*pcStr)
{ /* this works because args are all ints */
if (*pcStr == '%')
pcStr = format_item(pcStr + 1, vaArg(argP, int));
else
bsp_putchar(*pcStr++);
}
int putchar(int c)
{
extern uint32_t consoleFd;
#if 1
if((c) == '\n'){
char ch = '\r';
ttyWrite(consoleFd, (uint8_t* )&ch, 1);
ttyWrite(consoleFd, (uint8_t* )&c, 1);
}
else
#endif
ttyWrite(consoleFd, (uint8_t* )&c, 1);
#if 0
extern void bsp_putchar(char_t c);
if (c == '\n')
{
bsp_putchar('\r');
}
bsp_putchar((unsigned char)c);
#endif
return 1;
}
static char *format_item(char *f, int a)
{
char c;
int fieldwidth = 0;
int leftjust = 0;
int radix = 0;
char fill = ' ';
if (*f == '0')
fill = '0';
while ((c = *f++) != 0)
{
if (c >= '0' && c <= '9')
{
fieldwidth = (fieldwidth * 10) + (c - '0');
}
else
switch (c)
{
case '\000':
return (--f);
case '%':
bsp_putchar('%');
return (f);
case '-':
leftjust = 1;
break;
case 'c':
{
if (leftjust)
bsp_putchar(a & 0x7f);
if (fieldwidth > 0)
bsp_put_rep_char(fill, fieldwidth - 1);
if (!leftjust)
bsp_putchar(a & 0x7f);
return (f);
}
case 's':
{
if (leftjust)
bsp_put_string((char *)a);
if (fieldwidth > strlen((char *)a))
bsp_put_rep_char(fill, fieldwidth - strlen((char *)a));
if (!leftjust)
bsp_put_string((char *)a);
return (f);
}
case 'd':
case 'i':
radix = -10;
break;
case 'u':
radix = 10;
break;
case 'x':
radix = 16;
break;
case 'X':
radix = 16;
break;
case 'o':
radix = 8;
break;
default:
radix = 3;
break; /* unknown switch! */
}
if (radix)
break;
}
if (leftjust)
fieldwidth = -fieldwidth;
bsp_put_number(a, radix, fieldwidth, fill);
return (f);
}
static void put_string_reverse(char *s, int index)
{
while ((index--) > 0)
bsp_putchar(s[index]);
}
static void bsp_put_rep_char(char c, int count)
{
while (count--)
bsp_putchar(c);
}