资源简介
使用CJSON库在STM32平台上实现JSON对象的构造和解析,工程亲测可用,demo工程包括构造一个JSON对象通过串口发送出去,以及提供串口接收一个示例json对象解析,然后将解析出来的结果通过串口在发送出去,并且移植了内存管理,解决内存泄露问题,好东西值得高分

代码片段和文件信息
/*
Copyright (c) 2009 Dave Gamble
Permission is hereby granted free of charge to any person obtaining a copy
of this software and associated documentation files (the “Software“) to deal
in the Software without restriction including without limitation the rights
to use copy modify merge publish distribute sublicense and/or sell
copies of the Software and to permit persons to whom the Software is
furnished to do so subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS“ WITHOUT WARRANTY OF ANY KIND EXPRESS OR
IMPLIED INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM DAMAGES OR OTHER
LIABILITY WHETHER IN AN ACTION OF CONTRACT TORT OR OTHERWISE ARISING FROM
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/* cJSON */
/* JSON parser in C. */
#include
#include
#include
#include
#include
#include
#include
#include “cJSON.h“
#include “malloc.h“
static const char *ep;
const char *cJSON_GetErrorPtr(void) {return ep;}
static int cJSON_strcasecmp(const char *s1const char *s2)
{
if (!s1) return (s1==s2)?0:1;if (!s2) return 1;
for(; tolower(*s1) == tolower(*s2); ++s1 ++s2) if(*s1 == 0) return 0;
return tolower(*(const unsigned char *)s1) - tolower(*(const unsigned char *)s2);
}
static void *(*cJSON_malloc)(size_t sz) = mymalloc;
static void (*cJSON_free)(void *ptr) = myfree;
static char* cJSON_strdup(const char* str)
{
size_t len;
char* copy;
len = strlen(str) + 1;
if (!(copy = (char*)cJSON_malloc(len))) return 0;
memcpy(copystrlen);
return copy;
}
void cJSON_InitHooks(cJSON_Hooks* hooks)
{
if (!hooks) { /* Reset hooks */
cJSON_malloc = malloc;
cJSON_free = free;
return;
}
cJSON_malloc = (hooks->malloc_fn)?hooks->malloc_fn:malloc;
cJSON_free = (hooks->free_fn)?hooks->free_fn:free;
}
/* Internal constructor. */
static cJSON *cJSON_New_Item(void)
{
cJSON* node = (cJSON*)cJSON_malloc(sizeof(cJSON));
if (node) memset(node0sizeof(cJSON));
return node;
}
/* Delete a cJSON structure. */
void cJSON_Delete(cJSON *c)
{
cJSON *next;
while (c)
{
next=c->next;
if (!(c->type&cJSON_IsReference) && c->child) cJSON_Delete(c->child);
if (!(c->type&cJSON_IsReference) && c->valuestring) cJSON_free(c->valuestring);
if (c->string) cJSON_free(c->string);
cJSON_free(c);
c=next;
}
}
/* Parse the input text to generate a number and populate the result into item. */
static const char *parse_number(cJSON *itemconst char *num)
{
double n=0sign=1scale=0;int subscale=0signsubscale=1;
if (*num==‘-‘) sign=-1num++; /* Has sign
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
文件 23200 2014-11-23 10:00 stm32_cjson_demo\stm32_cjson_demo\cJSON\cJSON.c
文件 6833 2014-11-21 12:29 stm32_cjson_demo\stm32_cjson_demo\cJSON\cJSON.h
文件 1091 2013-08-14 14:02 stm32_cjson_demo\stm32_cjson_demo\cJSON\LICENSE
文件 8751 2009-10-28 23:48 stm32_cjson_demo\stm32_cjson_demo\cJSON\README
文件 6573 2013-02-09 12:56 stm32_cjson_demo\stm32_cjson_demo\cJSON\test.c
文件 583 2009-08-23 23:46 stm32_cjson_demo\stm32_cjson_demo\cJSON\tests\test1
文件 242 2009-08-23 23:46 stm32_cjson_demo\stm32_cjson_demo\cJSON\tests\test2
文件 605 2009-08-23 23:46 stm32_cjson_demo\stm32_cjson_demo\cJSON\tests\test3
文件 3467 2009-08-23 23:47 stm32_cjson_demo\stm32_cjson_demo\cJSON\tests\test4
文件 873 2009-08-23 23:47 stm32_cjson_demo\stm32_cjson_demo\cJSON\tests\test5
文件 17273 2010-06-07 10:25 stm32_cjson_demo\stm32_cjson_demo\CMSIS\core_cm3.c
文件 85714 2011-02-09 14:59 stm32_cjson_demo\stm32_cjson_demo\CMSIS\core_cm3.h
文件 15766 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_cl.s
文件 15503 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_hd.s
文件 15692 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_hd_vl.s
文件 12376 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_ld.s
文件 13656 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_ld_vl.s
文件 12765 2011-03-10 10:52 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_md.s
文件 14073 2011-03-10 10:51 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_md_vl.s
文件 15955 2011-03-10 10:51 stm32_cjson_demo\stm32_cjson_demo\CMSIS\startup\startup_stm32f10x_xl.s
文件 633941 2011-03-10 10:51 stm32_cjson_demo\stm32_cjson_demo\CMSIS\stm32f10x.h
文件 36557 2011-03-10 10:51 stm32_cjson_demo\stm32_cjson_demo\CMSIS\system_stm32f10x.c
文件 2085 2011-03-10 10:51 stm32_cjson_demo\stm32_cjson_demo\CMSIS\system_stm32f10x.h
文件 8982 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\misc.h
文件 21690 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_adc.h
文件 7555 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_bkp.h
文件 27559 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_can.h
文件 6573 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_cec.h
文件 2162 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_crc.h
文件 15233 2011-03-10 10:47 stm32_cjson_demo\stm32_cjson_demo\FWlib\inc\stm32f10x_dac.h
............此处省略74个文件信息
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