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"""
Example for pca10040 / nrf52832 to show how mount
and list a sdcard connected over SPI.
Direct wiring on SD card (SPI):
______________________________
| \
| 9. | NC | \
| 1. | ~CS | |
| 2. | MOSI | |
| 3. | GND | |
| 4. | VCC3.3| |
| 5. | SCK | |
| 6. | GND | |
| 7. | MISO | |
| 8. | NC | |
| |
---------------------------------
"""
import os
from machine import SPI, Pin
from sdcard import SDCard
def mnt():
cs = Pin("P22", mode=Pin.OUT)
sd = SDCard(SPI(0), cs)
os.mount(sd, '/')
def list():
files = os.listdir()
print(files)
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