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Expose current SD card status.

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This commit is contained in:
Jared Boone 2016-01-13 23:08:22 -08:00
parent 8a30003ab6
commit 30ca545b52
2 changed files with 13 additions and 5 deletions
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17
firmware/application/sd_card.cpp
View File

@ -31,6 +31,8 @@ namespace {
bool card_present = false; bool card_present = false;
Status status_ { Status::NotPresent };
FATFS fs; FATFS fs;
FRESULT mount() { FRESULT mount() {
@ -50,24 +52,29 @@ void poll_inserted() {
if( card_present_now != card_present ) { if( card_present_now != card_present ) {
card_present = card_present_now; card_present = card_present_now;
Status status { card_present ? Status::Present : Status::NotPresent }; Status new_status { card_present ? Status::Present : Status::NotPresent };
if( card_present ) { if( card_present ) {
if( sdcConnect(&SDCD1) == CH_SUCCESS ) { if( sdcConnect(&SDCD1) == CH_SUCCESS ) {
if( mount() == FR_OK ) { if( mount() == FR_OK ) {
status = Status::Mounted; new_status = Status::Mounted;
} else { } else {
status = Status::MountError; new_status = Status::MountError;
} }
} else { } else {
status = Status::ConnectError; new_status = Status::ConnectError;
} }
} else { } else {
sdcDisconnect(&SDCD1); sdcDisconnect(&SDCD1);
} }
status_signal.emit(status); status_ = new_status;
status_signal.emit(status_);
} }
} }
Status status() {
return status_;
}
} /* namespace sd_card */ } /* namespace sd_card */

1
firmware/application/sd_card.hpp
View File

@ -40,6 +40,7 @@ enum class Status : int32_t {
extern Signal<Status> status_signal; extern Signal<Status> status_signal;
void poll_inserted(); void poll_inserted();
Status status();
} /* namespace sd_card */ } /* namespace sd_card */