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added printf() support via SpareTimeLabs printf lib. this cleaned up some mess inside cli.c

Browse source 
example of usage: http://bcas.tv/paste/results/xToE9w26.html
hover-tested quadx loaded as custom mix, works.

git-svn-id: https://afrodevices.googlecode.com/svn/trunk/baseflight@207 7c89a4a9-59b9-e629-4cfe-3a2d53b20e61
This commit is contained in:
timecop@gmail.com 2012-09-06 06:35:02 +00:00
parent 98cba890e1
commit 3cd8e4e3f6
10 changed files with 3543 additions and 2840 deletions
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248
src/printf.c Normal file
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@ -0,0 +1,248 @@
/*
* Copyright (c) 2004,2012 Kustaa Nyholm / SpareTimeLabs
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* Neither the name of the Kustaa Nyholm or SpareTimeLabs nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#include "board.h"
#include "printf.h"
#define PRINTF_LONG_SUPPORT
typedef void (*putcf) (void *, char);
static putcf stdout_putf;
static void *stdout_putp;
#ifdef PRINTF_LONG_SUPPORT
static void uli2a(unsigned long int num, unsigned int base, int uc, char *bf)
{
int n = 0;
unsigned int d = 1;
while (num / d >= base)
d *= base;
while (d != 0) {
int dgt = num / d;
num %= d;
d /= base;
if (n || dgt > 0 || d == 0) {
*bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
++n;
}
}
*bf = 0;
}
static void li2a(long num, char *bf)
{
if (num < 0) {
num = -num;
*bf++ = '-';
}
uli2a(num, 10, 0, bf);
}
#endif
static void ui2a(unsigned int num, unsigned int base, int uc, char *bf)
{
int n = 0;
unsigned int d = 1;
while (num / d >= base)
d *= base;
while (d != 0) {
int dgt = num / d;
num %= d;
d /= base;
if (n || dgt > 0 || d == 0) {
*bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10);
++n;
}
}
*bf = 0;
}
static void i2a(int num, char *bf)
{
if (num < 0) {
num = -num;
*bf++ = '-';
}
ui2a(num, 10, 0, bf);
}
static int a2d(char ch)
{
if (ch >= '0' && ch <= '9')
return ch - '0';
else if (ch >= 'a' && ch <= 'f')
return ch - 'a' + 10;
else if (ch >= 'A' && ch <= 'F')
return ch - 'A' + 10;
else
return -1;
}
static char a2i(char ch, char **src, int base, int *nump)
{
char *p = *src;
int num = 0;
int digit;
while ((digit = a2d(ch)) >= 0) {
if (digit > base)
break;
num = num * base + digit;
ch = *p++;
}
*src = p;
*nump = num;
return ch;
}
static void putchw(void *putp, putcf putf, int n, char z, char *bf)
{
char fc = z ? '0' : ' ';
char ch;
char *p = bf;
while (*p++ && n > 0)
n--;
while (n-- > 0)
putf(putp, fc);
while ((ch = *bf++))
putf(putp, ch);
}
void tfp_format(void *putp, putcf putf, char *fmt, va_list va)
{
char bf[12];
char ch;
while ((ch = *(fmt++))) {
if (ch != '%')
putf(putp, ch);
else {
char lz = 0;
#ifdef PRINTF_LONG_SUPPORT
char lng = 0;
#endif
int w = 0;
ch = *(fmt++);
if (ch == '0') {
ch = *(fmt++);
lz = 1;
}
if (ch >= '0' && ch <= '9') {
ch = a2i(ch, &fmt, 10, &w);
}
#ifdef PRINTF_LONG_SUPPORT
if (ch == 'l') {
ch = *(fmt++);
lng = 1;
}
#endif
switch (ch) {
case 0:
goto abort;
case 'u':{
#ifdef PRINTF_LONG_SUPPORT
if (lng)
uli2a(va_arg(va, unsigned long int), 10, 0, bf);
else
#endif
ui2a(va_arg(va, unsigned int), 10, 0, bf);
putchw(putp, putf, w, lz, bf);
break;
}
case 'd':{
#ifdef PRINTF_LONG_SUPPORT
if (lng)
li2a(va_arg(va, unsigned long int), bf);
else
#endif
i2a(va_arg(va, int), bf);
putchw(putp, putf, w, lz, bf);
break;
}
case 'x':
case 'X':
#ifdef PRINTF_LONG_SUPPORT
if (lng)
uli2a(va_arg(va, unsigned long int), 16, (ch == 'X'), bf);
else
#endif
ui2a(va_arg(va, unsigned int), 16, (ch == 'X'), bf);
putchw(putp, putf, w, lz, bf);
break;
case 'c':
putf(putp, (char) (va_arg(va, int)));
break;
case 's':
putchw(putp, putf, w, 0, va_arg(va, char *));
break;
case '%':
putf(putp, ch);
default:
break;
}
}
}
abort:;
}
void init_printf(void *putp, void (*putf) (void *, char))
{
stdout_putf = putf;
stdout_putp = putp;
}
void tfp_printf(char *fmt, ...)
{
va_list va;
va_start(va, fmt);
tfp_format(stdout_putp, stdout_putf, fmt, va);
va_end(va);
while (!uartTransmitEmpty());
}
static void putcp(void *p, char c)
{
*(*((char **) p))++ = c;
}
void tfp_sprintf(char *s, char *fmt, ...)
{
va_list va;
va_start(va, fmt);
tfp_format(&s, putcp, fmt, va);
putcp(&s, 0);
va_end(va);
}