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只用mqtt.c,直接用tmp全局变量

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james 2024-07-31 09:17:12 +08:00
parent 9591653e43
commit 35e6136f70
2 changed files with 6 additions and 5 deletions
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2
Day5/SConscript
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@ -3,7 +3,7 @@ import os
cwd = GetCurrentDir() cwd = GetCurrentDir()
src = [ src = [
'filesystem.c', 'mqtt.c',
] ]
CPPPATH = [cwd] CPPPATH = [cwd]

9
Day5/mqtt.c
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@ -23,6 +23,7 @@ int HAL_Snprintf(char *str, const int len, const char *fmt, ...);
//定义接受文件内容的缓冲区 //定义接受文件内容的缓冲区
char buffer[100] = {}; char buffer[100] = {};
char tmp[256];
#define GPIO_LED_B GET_PIN(F,11) #define GPIO_LED_B GET_PIN(F,11)
#define GPIO_LED_R GET_PIN(F,12) #define GPIO_LED_R GET_PIN(F,12)
@ -100,11 +101,11 @@ static int example_subscribe(void *handle)
return 0; return 0;
} }
void make_file(char *String) void make_file()
{ {
//文件描述符 //文件描述符
int fd; int fd;
String[] = "Hello, RT-Thread.Welcom to RSOC!\n temp: 123, humi: 789"; // String = "Hello, RT-Thread.Welcom to RSOC!\n temp: 123, humi: 789";
//用只写方式打开文件,如果没有该文件,则创建一个文件 //用只写方式打开文件,如果没有该文件,则创建一个文件
fd = open("/fal/test/Data.txt", O_WRONLY | O_CREAT); fd = open("/fal/test/Data.txt", O_WRONLY | O_CREAT);
// rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,String); // rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,String);
@ -112,7 +113,7 @@ void make_file(char *String)
if (fd >= 0) if (fd >= 0)
{ {
//写入文件 //写入文件
write(fd, String, sizeof(String)); write(fd, tmp, sizeof(tmp));
// rt_kprintf("Write done.\n"); // rt_kprintf("Write done.\n");
@ -150,13 +151,13 @@ void make_file(char *String)
} }
return; return;
} }
char tmp[256];
int cnt = 0; int cnt = 0;
void tmp_payload(void) void tmp_payload(void)
{ {
// 读取温湿度值 // 读取温湿度值
Humi = aht10_read_humidity(Dev); Humi = aht10_read_humidity(Dev);
Temp = aht10_read_temperature(Dev); Temp = aht10_read_temperature(Dev);
memset(tmp, 0, sizeof(tmp));
sprintf(tmp, "Temp:%f;Humi:%f;Count:%d", Temp, Humi,++cnt); sprintf(tmp, "Temp:%f;Humi:%f;Count:%d", Temp, Humi,++cnt);
// rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,tmp); // rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,tmp);
make_file(tmp); make_file(tmp);