Sdcard remounting and checking availability

saul · October 7, 2021, 5:58am

Looks like the deinit issue got fixed:

github.com/micropython/micropython

micropython 1.15 esp32 reboot at SD deinit

opened 11:22PM - 03 Jun 21 UTC

closed 12:24AM - 18 Jun 21 UTC

emard

port-esp32

After unmounting SD card I need to release it's pins (to input or hi-z) for thi…s I want to deinit SD card and set pins to input, but at deinit ESP32 reboots. esp32spiram-idf3-20210202-v1.14.bin doesn't reboot, but idf4 versions reboot. ``` >>> import os >>> from machine import SDCard, Pin >>> sd = SDCard(slot=3) >>> os.mount(sd,"/sd") >>> os.listdir("/sd") ['KERNEL.SYS', 'COMMAND.COM', 'INVADERS.COM', 'CTMOUSE.EXE', 'kick.rom', 'OSD_CA01.sys', 'amiga', 'colecovision', 'hdl4fpga', 'linux', 'm68k', 'mp3', 'msx', 'nes', 'next186', 'orao', 'ql', 'scope', 'sega_sg1000', 'rootfs.cpio.uboot', 'uImage', 'uboot.env.defunct', 'dtb', 'slides', 'ti99_2', 'ti99_4a', 'vic20', 'zxspectrum', 'snes', 'rtc', 'myamoto', 'apple2', 'speak', 'c64'] >>> os.umount("/sd") >>> sd.deinit() Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled. Core 0 register dump: PC : 0x4016412d PS : 0x00060530 A0 : 0x801620e6 A1 : 0x3ffccf60 A2 : 0x0e32f602 A3 : 0x3ffc43d0 A4 : 0x00000000 A5 : 0x00000000 A6 : 0x3ffcd110 A7 : 0x3ffcd130 A8 : 0x3ffcd110 A9 : 0x3ffcd070 A10 : 0x3f81ad81 A11 : 0x3ffcd128 A12 : 0x00000004 A13 : 0xffffff29 A14 : 0x3f81ad82 A15 : 0x00000001 SAR : 0x00000020 EXCCAUSE: 0x0000001c EXCVADDR: 0x0e32f606 LBEG : 0x40092b1e LEND : 0x40092b29 LCOUNT : 0x00000000 Backtrace:0x4016412a:0x3ffccf60 0x401620e3:0x3ffccf90 0x4016238b:0x3ffccfd0 0x401d244a:0x3ffccff0 0x400dbf46:0x3ffcd010 0x400e25e9:0x3ffcd030 0x400e273a:0x3ffcd050 0x400e4edd:0x3ffcd070 0x400dc0a8:0x3ffcd110 0x400e25e9:0x3ffcd160 0x400e2612:0x3ffcd180 0x400f5afe:0x3ffcd1a0 0x400f5e55:0x3ffcd230 0x400d5c38:0x3ffcd270 ELF file SHA256: e47b1b0d0f482c6e Rebooting... ets Jul 29 2019 12:21:46 rst:0xc (SW_CPU_RESET),boot:0x1f (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0030,len:4 load:0x3fff0034,len:5636 load:0x40078000,len:13136 load:0x40080400,len:4356 entry 0x400806b0 Started webrepl in normal mode ssid: ra chan: 1 rssi: -40 authmode: WPA2-PSK MicroPython v1.15 on 2021-04-18; ESP32 module (spiram) with ESP32 Type "help()" for more information. ```

But the “reinit” is still ongoing:

github.com/micropython/micropython

micropython 1.16 SD won't mount after umount

opened 09:49AM - 18 Jun 21 UTC

emard

the SD card doesn't crash after umount but it won't mount again. ESP32-WROVER-E… (spiram v1.16) ``` >>> import os,machine >>> sd=machine.SDCard(slot=3) >>> os.mount(sd,"/sd") >>> os.listdir("/sd") ['KERNEL.SYS', 'COMMAND.COM', 'INVADERS.COM', 'CTMOUSE.EXE', 'kick.rom', 'OSD_CA01.sys', 'amiga', 'colecovision', 'hdl4fpga', 'linux', 'm68k', 'mp3', 'msx', 'nes', 'next186', 'orao', 'ql', 'scope', 'sega_sg1000', 'rootfs.cpio.uboot', 'uImage', 'uboot.env.defunct', 'dtb', 'slides', 'ti99_2', 'ti99_4a', 'vic20', 'zxspectrum', 'snes', 'rtc', 'myamoto', 'apple2', 'speak', 'c64'] >>> os.umount("/sd") >>> sd.deinit() >>> os.listdir("/sd") Traceback (most recent call last): File "<stdin>", line 1, in <module> OSError: [Errno 2] ENOENT >>> sd=machine.SDCard(slot=3) E (70971) spi: spi_bus_initialize(462): SPI bus already initialized. E (70971) sdspi_host: spi_bus_initialize failed with rc=0x103 ```