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Can't save a float variable to SD card

paker earth
Associate II
Posted on June 06, 2017 at 05:13

Hi all:

followed

http://www.waveshare.net/study/article-656-1.html

 

I could access my SD card through SDIO interface.

uint32_t Buffer_Tx[512/4], Buffer_Rx[512/4];

0690X00000607ExQAI.png

If I use var[128], it seems that I will get HAL_SD_ERROR_DATA_CRC_FAIL in  HAL_SD_ReadBlocks().

If someone can tell me, how to solve the problem?

Thank you all in advance.

#nucleo-f413
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