c2bc3dfb12
Some SD card connectors do not have separate card detection pin. In that case card detection has to be done on CD/DAT3 data line. This means software (i.e. architecture level driver) has to take care of pin configuration switching (pin has to be set as data pin in case of transfer and as interrupt card detection pin when there is no action on data line). This commit adds CD/DAT3 line card detection support for SAMv7 MCU. Signed-off-by: Michal Lenc <michallenc@seznam.cz> |
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