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esp32/machine_sdcard: Free SPI bus when deiniting SD card. 

So that everything is reset and the SD card can be created again after
calling SDCard.deinit() (and after a soft reset).

Fixes issue #8949.

Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2022-08-30 11:18:08 +10:00
parent 730e975091
commit d108fc9c47
1 changed files with 4 additions and 0 deletions
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4
ports/esp32/machine_sdcard.c
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@ -283,6 +283,10 @@ STATIC mp_obj_t sd_deinit(mp_obj_t self_in) {
{
self->host.deinit();
}
if (self->host.flags & SDMMC_HOST_FLAG_SPI) {
// SD card used a (dedicated) SPI bus, so free that SPI bus.
spi_bus_free(self->host.slot);
}
self->flags &= ~SDCARD_CARD_FLAGS_HOST_INIT_DONE;
}