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8 years, 5 months ago.
Does the mbed library support SD / File read / write on the STM32F746G board?
I would like to be able to save files / config data on the SD card or built in flash on the STM32F746G DISCO board if possible. I looked over the samples and the LocalFileSystem does not work and I see no SD or FLASH api's that I can use. Is this possible?
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1 Answer
8 years, 5 months ago.
Hi, localfile system is for mbed interface on some boards (mbed board). Please look at https://developer.mbed.org/cookbook/SD-Card-File-System
Looking at the code and the pins used, the SD on the dev board is SDMMC and uses 4 data pins. I don't see a direct cross to the SPI MISO, MOSI, CLK and SELECT. Is the SDMMC interface backwards compatible? These are the pins / functions according to the board docs:
SDMMC_CK (PC12) SDMMC_D0 (PC8) SDMMC_D1 (PC9) SDMMC_D2 (PC10) SDMMC_D3 (PC11) SDMMC_CMD (PD2)
posted by 05 Nov 2015