Thanks a lot.
Search found 3 matches
- Tue Jul 18, 2023 4:02 am
- Forum: ESP-IDF 中文讨论版
- Topic: fopen()不能打开文件后缀名大于3字节的文件
- Replies: 2
- Views: 1611
Re: fopen()不能打开文件后缀名大于3字节的文件
- Thu Jul 13, 2023 4:50 pm
- Forum: ESP-IDF 中文讨论版
- Topic: fopen()不能打开文件后缀名大于3字节的文件
- Replies: 2
- Views: 1611
fopen()不能打开文件后缀名大于3字节的文件
#include <sys/unistd.h>
#include <sys/stat.h>
#include "esp_vfs_fat.h"
#include "sdmmc_cmd.h"
使用sdspi例程,初始化并mount sdcard文件系统后,使用fopen()不能打开文件后缀名大于3字节的文件
const char *_file = "/sdcard/hello.abcd";
FILE *f = fopen(_file, "wb");
if (f == NULL) {
ESP_LOGE("file test", "Failed to open file for ...
- Wed May 10, 2023 6:06 am
- Forum: ESP-IDF 中文讨论版
- Topic: 关于ESP32-C6的双TWAI
- Replies: 2
- Views: 2421
关于ESP32-C6的双TWAI
项目需要用到两个CAN总线,注意到只有新发布的ESP32-C6支持。但是在浏览文档过程中发现ESP-IDF的例程中没有关于如何使用第二个TWAI控制器?请问是否在未来版本的IDF会增加相关例程或修改,如果是的话大概需要多久?
IDF编程文档中有Warning指出“ESP32-C6 has 2 TWAI controllers, but at the moment, the driver can only support TWAI0 due to the limitation of the driver structure.”
IDF编程文档中有Warning指出“ESP32-C6 has 2 TWAI controllers, but at the moment, the driver can only support TWAI0 due to the limitation of the driver structure.”