Add 'CARDPUTER CircuitPython/sdcard_test.py'

CARDPUTER CircuitPython/sdcard_test.py

@@ -0,0 +1,27 @@
+import board
+import busio
+import sdcardio
+import storage
+import os
+
+spi = busio.SPI(board.SD_SCK, MOSI=board.SD_MOSI, MISO=board.SD_MISO)
+cs = board.SD_CS
+
+try:
+    sdcard = sdcardio.SDCard(spi, cs)
+    vfs = storage.VfsFat(sdcard)
+
+    storage.mount(vfs, "/sd") # access files on sd card here
+    SD_status = "SD Card Mounted"
+except OSError:
+    SD_status = "No SD card found"
+    pass # SD card not inserted/found
+
+print(SD_status)
+
+# Then, reading/writing to files is as trivial as regular Python:
+
+with open("/sd/data.txt") as f:
+    lines = f.readlines()
+for line in lines:
+    print(line)