39 Zeilen
937 B
Python
39 Zeilen
937 B
Python
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import machine
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import sdcard
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import uos
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# Assign chip select (CS) pin (and start it high)
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cs = machine.Pin(17, machine.Pin.OUT)
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# Intialize SPI peripheral (start with 1 MHz)
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spi = machine.SPI(0,
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baudrate=1000000,
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polarity=0,
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phase=0,
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bits=8,
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firstbit=machine.SPI.MSB,
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sck=machine.Pin(18),
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mosi=machine.Pin(19),
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miso=machine.Pin(16))
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# Initialize SD card
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sd = sdcard.SDCard(spi, cs)
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sd_path = "/sd"
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# Mount filesystem
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vfs = uos.VfsFat(sd)
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uos.mount(vfs, sd_path)
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# Create a file and write something to it
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with open(sd_path + "/test01.txt", "w") as file:
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file.write("Hello, SD World!\r\n")
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file.write("This is a test\r\n")
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# Open the file we just created and read from it
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with open(sd_path + "/test01.txt", "r") as file:
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data = file.read()
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print(data)
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uos.mount(sd_path)
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