1 unstable release
0.1.0 | Aug 16, 2020 |
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#706 in Embedded development
Used in mci-atsamd51
135KB
4K
SLoC
MCI
Description
MultiMedia Card Interface. MCI supports SD, MMC and SDIO cards. This crate implements the SDIO, MMC and SD protocols. Done in no-std so aimed towards embedded use.
Where to start
Example for ATSAMD51:
pub fn mci() {
use mci::mci_card::MciCard;
use mci_atsamd51::AtsamdMci;
let mut device: hal::pac::Peripherals = c.device;
let mci = AtsamdMci::new(device.SDHC0);
let mut pins = hal::Pins::new(device.PORT);
// Write protect pin
let mut wp = pins.wp.into_pull_up_input(&mut pins.port);
// Card detect pin
let mut detect = pins.detect.into_pull_up_input(&mut pins.port);
let card = MciCard::new(
mci,
wp, true, // Write protect pin must be pulled high in order to be protected
detect, true, // Detect pin must be pulled high in order to signal a card to be detected
0 // Slot 0. ATSAMD51 can only support 1 slot in anyway
);
}
For ATSAMD51 remember to compile with target thumbv7em-none-eabihf
Folder structure
mci/
The crate that provides and implements the SD/MMC/SDIO protocols
Folder | Description |
---|---|
command_arguments | Create arguments for a command to be sent to the card |
command_arguments/mmc | MMC specific command arguments |
command_arguments/sd | SD specific command arguments |
command_arguments/sdio / SDIO specific command arguments | |
functions | Functions implemented on the MciCard struct according to card type |
registers | Describing the return values of commands and/or registers |
registers/sd | SD specific registers |
registers/sdio | SDIO specific registers |
sd | SD specific enums |
mci-atsamd51
Crate for the implementation of MCI interface for ATSAMD51 devices
Documentation and specifications
Dependencies
~115KB