10 STM32H750VB挂载SD卡失败

发布于 2023-07-19 17:00:48 浏览：543 订阅该版

大佬们，我用STM32H750VB，试图挂载SD卡，drv_sdio.c和drv_sdio.h都是从artpi工程里复制的，然后能读到卡容量，但是初始化失败，请问大佬们有何建议.
board.h修改如图所示：

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230719/42fa3a2248cf900b0ff3518e52b0ad7a.png)
link.lds修改如下图所示

![screenshot_image.png](https://oss-club.rt-thread.org/uploads/20230719/2bfa9aaf9d073ce2eeae2641b95e12db.png)
```c

\ | /
- RT -     Thread Operating System
 / | \     4.1.1 build Jul 19 2023 16:47:46
 2006 - 2022 Copyright by RT-Thread team
[17] I/sensor: rt_sensor[baro_be6] init success
[22] I/sensor: rt_sensor[temp_be6] init success
[28] I/sensor: rt_sensor[humi_be6] init success
[33] I/sensor.bosch.bme680: sensor init success
msh />[53] E/drv.sdio: sdio:0x24007138 send command error = -1
[84] I/SDIO: SD card capacity 7559168 KB.
[5090] E/drv.sdio: wait cmd completed timeout
[5145] D/SDIO: init SD card failed!
list_device
                 type         ref count
-------- -------------------- ----------
humi_be6 Sensor Device        0
temp_be6 Sensor Device        0
baro_be6 Sensor Device        0
i2c1     I2C Bus              0
uart5    Character Device     1
uart4    Character Device     0
uart2    Character Device     1
uart1    Character Device     2
pin      Pin Device           0
msh />

```