5 CH32 SFUD挂载gd25q64失败

发布于 2022-07-14 16:33:42 浏览：1185 订阅该版

SPI读取不到GD25Q64的信息

使用spi2
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220714/7e6b4a0165bc0c4d44910cf238277dc9.png)

看了下bsp的引脚定义也没有问题
![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20220714/b27d6f6fea28cbcfb811a501e5b15cbc.png)

```c
 \ | /
- RT -     Thread Operating System
 / | \     3.1.3 build Jul 14 2022
 2006 - 2019 Copyright by rt-thread team
[D/SFUD] (../rtthread/components/drivers/spi/sfud/src/sfud.c:861) device manufacturer ID is 0xFF
[D/SFUD] (../rtthread/components/drivers/spi/sfud/src/sfud.c:862) memory type ID is 0xFF
[D/SFUD] (../rtthread/components/drivers/spi/sfud/src/sfud.c:863) capacity ID is 0xFF
[D/SFUD] (../rtthread/components/drivers/spi/sfud/src/sfud_sfdp.c:122) Error: Check SFDP signature error. It's must be 50444653h('S' 'F
[I/SFUD] Warning: Read SFDP parameter header information failed. The GD25Q64 is not support JEDEC SFDP.
[I/SFUD] Warning: This flash device is not found or not support.
[I/SFUD] Error: GD25Q64 flash device is initialize fail.
[E/SFUD] ERROR: SPI flash probe failed by SPI device spi20.
msh >(thread != RT_NULL) assertion failed at function:rt_thread_timeout, line number:738 
```
读到的id号怎么全是0xff？

硬件是没有问题的，用库函数测试过了能正常读写，是spi读写有问题吗？怎么解决？