#include <stdarg.h>
#include <ctype.h>
#include "uart.h"
#define size_t unsigned int
unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
{
unsigned long result = 0,value;
if (*cp == '0') {
cp++;
if ((*cp == 'x') && isxdigit(cp[1])) {
base = 16;
cp++;
}
if (!base) {
base = 8;
}
}
if (!base) {
base = 10;
}
while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
? toupper(*cp) : *cp)-'A'+10) < base) {
result = result*base + value;
cp++;
}
if (endp)
*endp = (char *)cp;
return result;
}
long simple_strtol(const char *cp,char **endp,unsigned int base)
{
if(*cp=='-')
return -simple_strtoul(cp+1,endp,base);
return simple_strtoul(cp,endp,base);
}
#ifdef CFG_64BIT_STRTOUL
unsigned long long simple_strtoull (const char *cp, char **endp, unsigned int base)
{
unsigned long long result = 0, value;
if (*cp == '0') {
cp++;
if ((*cp == 'x') && isxdigit (cp[1])) {
base = 16;
cp++;
}
if (!base) {
base = 8;
}
}
if (!base) {
base = 10;
}
while (isxdigit (*cp) && (value = isdigit (*cp)
? *cp - '0'
: (islower (*cp) ? toupper (*cp) : *cp) - 'A' + 10) < base) {
result = result * base + value;
cp++;
}
if (endp)
*endp = (char *) cp;
return result;
}
#endif /* CFG_64BIT_STRTOUL */
/* we use this so that we can do without the ctype library */
#define is_digit(c) ((c) >= '0' && (c) <= '9')
static int skip_atoi(const char **s)
{
int i=0;
while (is_digit(**s))
i = i*10 + *((*s)++) - '0';
return i;
}
#define ZEROPAD 1 /* pad with zero */
#define SIGN 2 /* unsigned/signed long */
#define PLUS 4 /* show plus */
#define SPACE 8 /* space if plus */
#define LEFT 16 /* left justified */
#define SPECIAL 32 /* 0x */
#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
#ifdef CFG_64BIT_VSPRINTF
#define do_div(n,base) ({ \
unsigned int __res; \
__res = ((unsigned long long) n) % base; \
n = ((unsigned long long) n) / base; \
__res; \
})
#else
#define do_div(n,base) ({ \
int __res; \
__res = ((unsigned long) n) % base; \
n = ((unsigned long) n) / base; \
__res; \
})
#endif
//__res = ((unsigned long) n) % base;
#ifdef CFG_64BIT_VSPRINTF
static char * number(char * str, long long num, unsigned int base, int size, int precision ,int type)
#else
static char * number(char * str, long num, unsigned int base, int size, int precision ,int type)
#endif
{
char c,sign,tmp[66];
const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
int i;
if (type & LARGE)
digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = '-';
num = -num;
size--;
} else if (type & PLUS) {
sign = '+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if (type & SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++]='0';
else while (num != 0)
if (i > precision)
tmp[i++] = digits[do_div(num,base)];
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT)))
while(size-->0)
*str++ = ' ';
if (sign)
*str++ = sign;
if (type & SPECIAL) {
if (base==8)
*str++ = '0';
else if (base==16) {
*str++ = '0';
*str++ = digits[33];
}
}
if (!(type & LEFT))
while (size-- > 0)
*str++ = c;
while (i < precision--)
*str++ = '0';
while (i-- > 0)
*str++ = tmp[i];
while (size-- > 0)
*str++ = ' ';
return str;
}
/* Forward decl. needed for IP address printing stuff... */
int sprintf(char * buf, const char *fmt, ...);
size_t strnlen(const char * s, size_t count)
{
const char *sc;
for (sc = s; count-- && *sc != '\0'; ++sc)
/* nothing */;
return sc - s;
}
int vsprintf(char *buf, const char *fmt, va_list args)
{
int len;
#ifdef CFG_64BIT_VSPRINTF
unsigned long long num;
#else
unsigned long num;
#endif
int i, base;
char * str;
const char *s;
int flags; /* flags to number() */
int field_width; /* width of output field */
int precision; /* min. # of digits for integers; max
number of chars for from string */
int qualifier; /* 'h', 'l', or 'q' for integer fields */
for (str=buf ; *fmt ; ++fmt) {
if (*fmt != '%') {
*str++ = *fmt;
continue;
}
/* process flags */
flags = 0;
repeat:
++fmt; /* this also skips first '%' */
switch (*fmt) {
case '-': flags |= LEFT; goto repeat;
case '+': flags |= PLUS; goto repeat;
case ' ': flags |= SPACE; goto repeat;
case '#': flags |= SPECIAL; goto repeat;
case '0': flags |= ZEROPAD; goto repeat;
}
/* get field width */
field_width = -1;
if (is_digit(*fmt))
field_width = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
field_width = va_arg(args, int);
if (field_width < 0) {
field_width = -field_width;
flags |= LEFT;
}
}
/* get the precision */
precision = -1;
if (*fmt == '.') {
++fmt;
if (is_digit(*fmt))
precision = skip_atoi(&fmt);
else if (*fmt == '*') {
++fmt;
/* it's the next argument */
precision = va_arg(args, int);
}
if (precision < 0)
precision = 0;
}
/* get the conversion qualifier */
qualifier = -1;
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
*fmt == 'Z' || *fmt == 'z' || *fmt == 't' ||
*fmt == 'q' ) {
qualifier = *fmt;
if (qualifier == 'l' && *(fmt+1) == 'l') {
qualifier = 'q';
++fmt;
}
++fmt;
}
/* default base */
base = 10;
switch (*fmt) {
case 'c':
if (!(flags & LEFT))
while (--field_width > 0)
*str++ = ' ';
*str++ = (unsigned char) va_arg(args, int);
while (--field_width > 0)
*str++ = ' ';
continue;
case 's':
s = va_arg(args, char *);
if (!s)
s = "<NULL>";
len = strnlen(s, precision);
if (!(flags & LEFT))
while (len < field_width--)
*str++ = ' ';
for (i = 0; i < len; ++i)
*str++ = *s++;
while (len < field_width--)
*str++ = ' ';
continue;
case 'p':
if (field_width == -1) {
field_width = 2*sizeof(void *);
flags |= ZEROPAD;
}
str = number(str,
(unsigned long) va_arg(args, void *), 16,
field_width, precision, flags);
continue;
case 'n':
if (qualifier == 'l') {
long * ip = va_arg(args, long *);
*ip = (str - buf);
} else {
int * ip = va_arg(args, int *);
*ip = (str - buf);
}
continue;
case '%':
*str++ = '%';
continue;
/* integer number formats - set up the flags and "break" */
case 'o':
base = 8;
break;
case 'X':
flags |= LARGE;
case 'x':
base = 16;
break;
case 'd':
case 'i':
flags |= SIGN;
case 'u':
break;
default:
*str++ = '%';
if (*fmt)
*str++ = *fmt;
else
--fmt;
continue;
}
#ifdef CFG_64BIT_VSPRINTF
if (qualifier == 'q') /* "quad" for 64 bit variables */
num = va_arg(args, unsigned long long);
else
#endif
if (qualifier == 'l') {
num = va_arg(args, unsigned long);
} else if (qualifier == 'Z' || qualifier == 'z') {
num = va_arg(args, size_t);
} else if (qualifier == 't') {
num = va_arg(args, long);
} else if (qualifier == 'h') {
num = (unsigned short) va_arg(args, int);
if (flags & SIGN)
num = (short) num;
} else if (flags & SIGN)
num = va_arg(args, int);
else
num = va_arg(args, unsigned int);
str = number(str, num, base, field_width, precision, flags);
}
*str = '\0';
return str-buf;
}
int sprintf(char * buf, const char *fmt, ...)
{
va_list args;
int i;
va_start(args, fmt);
i=vsprintf(buf,fmt,args);
va_end(args);
return i;
}
void printf (const char *fmt, ...)
{
va_list args;
char printbuffer[100];
va_start (args, fmt);
/* For this to work, printbuffer must be larger than
* anything we ever want to print.
*/
vsprintf (printbuffer, fmt, args);
va_end (args);
__uart_puts (printbuffer);
}
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PWM控制蜂鸣器,风扇,马达实验
共92个文件
h:16个
ipch:16个
o:12个
需积分: 5 1 下载量 136 浏览量
2023-06-16
19:41:52
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收起资源包目录
07-time.zip (92个子文件)
07-time
.DS_Store 6KB
interface.bin 12KB
include
iic.h 987B
gpio.h 113B
si7006.h 351B
pwm.h 333B
interface.dis 358KB
.vscode
tasks.json 615B
launch.json 999B
ma 0B
Makefile 2KB
src
do_irq.c 88B
pwm.o 14KB
si7006.c 2KB
si7006.o 4KB
do_irq.o 2KB
iic.o 14KB
pwm.c 6KB
iic.c 7KB
gpio.o 1KB
gpio.c 992B
spi.o 12KB
interface.elf 67KB
.vs
ProjectSettings.json 44B
07-time
v16
Browse.VC.db-shm 32KB
Browse.VC.opendb 42B
Browse.VC.db 436KB
.suo 38KB
ipch
AutoPCH
47cac075f7bcae46
PWM.ipch 384KB
3c71b2c708f80d20
935c968af5dcc279
b72a2a4a31b62817
MAIN.ipch 384KB
cb8083c44d13e296
Browse.VC.db-wal 0B
04-swi
v16
Browse.VC.db-shm 32KB
Browse.VC.opendb 42B
Browse.VC.db 396KB
.suo 53KB
ipch
AutoPCH
8d0fd98b22039d8a
659ad13a9d41cb15
KEY.ipch 576KB
2cfcfb79f39df2c2
25a3c20ec71cb7bf
LED.ipch 448KB
5cd488a904a4e68c
15d937e23143da39
ba43ef6ad5e5e0c8
DO_IRQ.ipch 576KB
a30c3beaa50b604f
MAIN.ipch 576KB
8abd95af93570201
Browse.VC.db-wal 0B
06-spi
v16
Browse.VC.db 400KB
.suo 25KB
ipch
AutoPCH
f5590b68421ee3eb
5e20efedd4a8eb74
SPI.ipch 512KB
121cb09f43137017
MAIN.ipch 512KB
slnx.sqlite 88KB
05-IIC
v16
Browse.VC.db-shm 32KB
Browse.VC.opendb 42B
Browse.VC.db 388KB
.suo 42KB
ipch
AutoPCH
c511bd4f2f473ec6
869e8e93e23380ac
a50148f4b6574bd5
SI7006.ipch 512KB
67c23c0c10b57ee1
IIC.ipch 512KB
72409d80e9193723
MAIN.ipch 512KB
Browse.VC.db-wal 0B
03-uart
v16
Browse.VC.db 380KB
.suo 40KB
ipch
AutoPCH
86567e6243737d28
dfceac21bf673355
LED.ipch 384KB
afb1a0bc71cf13f4
UART4.ipch 512KB
d31c816f541d72a6
4e655b95fd2daa8e
1b1e125eeaf18ae9
MAIN.ipch 512KB
VSWorkspaceState.json 184B
02-c
v16
Browse.VC.db-shm 32KB
Browse.VC.opendb 42B
Browse.VC.db 248KB
ipch
AutoPCH
729155f2cc8e9e33
LED.ipch 384KB
9813a7563dd01cfb
MAIN.ipch 384KB
Browse.VC.db-wal 0B
common
.DS_Store 6KB
include
stm32mp1xx_gic.h 2KB
stm32mp1xx_gpio.h 1KB
stm32mp1xx_i2c.h 723B
ctype.h 3KB
uart.h 179B
stm32mp1xx_uart.h 773B
stm32mp1xx_adc.h 2KB
stdarg.h 4KB
stm32mp1xx_exti.h 3KB
stm32mp1xx_rcc.h 11KB
stm32mp1xx_spi.h 951B
stm32mp1xx_tim.h 3KB
src
printf.c 8KB
printf.o 11KB
_udivsi3.o 2KB
_umodsi3.S 3KB
uart.c 1KB
uart.o 4KB
_udivsi3.S 2KB
_umodsi3.o 2KB
start
start.o 5KB
start.S 4KB
main.o 2KB
interface.map 1KB
map.lds 747B
main.c 291B
共 92 条
- 1
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