创建目录,挂载块设备"font"到 DFS 目录/fal/test中,尝试写文件(未成功)

This commit is contained in:
james 2024-07-31 01:29:16 +08:00
parent 43846001be
commit eef5be42cd
3 changed files with 64 additions and 2 deletions

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@ -53,4 +53,5 @@ for item in list:
group = group + SConscript(os.path.join(item, 'SConscript')) group = group + SConscript(os.path.join(item, 'SConscript'))
Return('group') Return('group')
``` ```
[RSOC问题汇总连接](https://docs.qq.com/doc/DY2VrUlpuRWlRUkdI)

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@ -6,6 +6,7 @@
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include "aht10.h" #include "aht10.h"
#include <dfs_posix.h>
char DEMO_PRODUCT_KEY[IOTX_PRODUCT_KEY_LEN + 1] = {0}; char DEMO_PRODUCT_KEY[IOTX_PRODUCT_KEY_LEN + 1] = {0};
char DEMO_DEVICE_NAME[IOTX_DEVICE_NAME_LEN + 1] = {0}; char DEMO_DEVICE_NAME[IOTX_DEVICE_NAME_LEN + 1] = {0};
@ -49,6 +50,7 @@ static void example_message_arrive(void *pcontext, void *pclient, iotx_mqtt_even
/* print topic name and topic message */ /* print topic name and topic message */
EXAMPLE_TRACE("Message Arrived:"); EXAMPLE_TRACE("Message Arrived:");
rt_pin_mode(GPIO_LED_R, PIN_MODE_OUTPUT); rt_pin_mode(GPIO_LED_R, PIN_MODE_OUTPUT);
//topic_info->payload 为发送的内容,可以据此设置命令
if(rt_pin_read(GPIO_LED_R) == PIN_HIGH) if(rt_pin_read(GPIO_LED_R) == PIN_HIGH)
{ {
// rt_kprintf("LED_R should be ON\n"); // rt_kprintf("LED_R should be ON\n");
@ -94,13 +96,40 @@ static int example_subscribe(void *handle)
HAL_Free(topic); HAL_Free(topic);
return 0; return 0;
} }
void make_file(char *String)
{
//文件描述符
int fd;
char tmp[256]; //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_APPEND | O_CREAT);
//如果打开成功
if (fd >= 0)
{
//写入文件
write(fd, String, sizeof(String));
rt_kprintf("Write done.\n");
//关闭文件
close(fd);
}
else
{
rt_kprintf("File Open Fail.\n");
}
return;
}
char tmp[256];
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);
sprintf(tmp, "Temp%f ; Humi%f ; Count %d", Temp, Humi,++cnt);
make_file(tmp);
sprintf(tmp, "{\"params\":{\"temperature\":%.2f,\"humidity\":%.2f}}", Temp, Humi); sprintf(tmp, "{\"params\":{\"temperature\":%.2f,\"humidity\":%.2f}}", Temp, Humi);
rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,tmp); rt_kprintf("\n%f %f tmp:%s\n",Humi,Temp,tmp);
return; return;

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@ -84,7 +84,39 @@ static int onboard_fal_mount(void)
LOG_D("You should create a filesystem on the block device first!"); LOG_D("You should create a filesystem on the block device first!");
} }
} }
int ret;
/* 创建目录 */
ret = mkdir("/fal/test", 0x777);
if (ret < 0)
{
/* 创建目录失败 */
rt_kprintf("dir error!\n");
}
else
{
/* 创建目录成功 */
rt_kprintf("mkdir ok!\n");
}
/* 挂载块设备"font"到 DFS 目录/fal/test中 */
if (dfs_mount("font", "/fal/test", "elm", 0, 0) == 0)
{
LOG_I("font initialized!");
}
else
{
dfs_mkfs("elm", "font");
if (dfs_mount("font", "/fal/test", "elm", 0, 0) == 0)
{
LOG_I("font initialized!");
}
else
{
LOG_E("Failed to initialize font!");
LOG_D("You should create a filesystem(font) on the block device first!");
}
}
return RT_EOK; return RT_EOK;
} }
#endif /*BSP_USING_FLASH_FATFS*/ #endif /*BSP_USING_FLASH_FATFS*/