from machine import SPI
w_data = b'\x9F\x9F\x9F\x9F'
r_data = bytearray(len(w_data))
try:
    spi_obj = SPI(port=0, mode=0, clk=0, group=0)
    ret = spi_obj.write_read(r_data, w_data, len(w_data))
    print("SPI_PORT: {} FlashChipID: 0x{:02X}{:02X}{:02X}".format(0, r_data[1], r_data[2], r_data[3]))

    spi_obj = SPI(port=1, mode=0, clk=0, group=0)
    ret = spi_obj.write_read(r_data, w_data, len(w_data))
    print("SPI_PORT: {}FlashChipID: 0x{:02X}{:02X}{:02X}".format(1, r_data[1], r_data[2], r_data[3]))

    spi_obj = SPI(port=2, mode=0, clk=0, group=0)
    ret = spi_obj.write_read(r_data, w_data, len(w_data))
    print("SPI_PORT: {} FlashChipID: 0x{:02X}{:02X}{:02X}".format(2, r_data[1], r_data[2], r_data[3]))
except Exception as e:
    print("Because of the[{}] caught exception,restart now!!!!".format(e))