test 3.13 KB
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#!/usr/bin/env python3

import os
import sys
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import time
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import subprocess
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import serial.tools.list_ports
from test_common import (
    DeviceUnderTestAeadUARTP,
    eprint,
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    FileMutex,
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    run_nist_lws_aead_test,
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)
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def get_serial():
    ports = serial.tools.list_ports.comports()
    devices = [
        p.device
        for p in ports
        if (p.vid == 4292 and p.pid == 60000)
    ]
    devices.sort()
    return devices[0]
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class ESP32(DeviceUnderTestAeadUARTP):
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    def __init__(self, build_dir):
        DeviceUnderTestAeadUARTP.__init__(self)

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        self.uart_device = get_serial()
        devname = os.path.basename(self.uart_device)
        self.lock = FileMutex('/var/lock/lwc-compare.%s.lock' % devname)
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        self.build_dir = build_dir
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        self.template_path = os.path.dirname(sys.argv[0])

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        self.pio_packages_path = "/home/tester/.platformio/packages/"
        self.esptoolpy_path = os.path.join(
            self.pio_packages_path, "tool-esptoolpy/esptool.py")

        self.partitionspath = os.path.join(build_dir, 'partitions.bin')
        self.firmware_path = os.path.join(build_dir, 'firmware.bin')

        # Convert elf to bin
        cmd = ['python3', self.esptoolpy_path]
        cmd += ['--chip', 'esp32']
        cmd += ['elf2image', os.path.join(build_dir, 'firmware.elf')]
        subprocess.check_call(cmd)

    def firmware_size(self):
        return os.stat(self.firmware_path).st_size
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    def reset(self):
        self.ser.setDTR(False)  # IO0=HIGH
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        self.ser.setRTS(True)   # EN=LOW, chip in reset1
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        time.sleep(0.1)
        self.ser.setDTR(False)  # IO0=HIGH
        self.ser.setRTS(False)  # EN=HIGH, chip out of reset
        time.sleep(1)

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    def flash(self):
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        arduinoespressif32_path = os.path.join(
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            self.pio_packages_path, "framework-arduinoespressif32/")
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        boot_app0_path = os.path.join(
            arduinoespressif32_path,
            "tools/partitions/boot_app0.bin")
        bootloader_path = os.path.join(
            arduinoespressif32_path,
            "tools/sdk/bin/bootloader_dio_80m.bin")

        partitions = [
            (0xe000, boot_app0_path),
            (0x1000, bootloader_path),
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            (0x10000, self.firmware_path),
            (0x8000, self.partitionspath)
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        ]

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        cmd = ['python3', self.esptoolpy_path]
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        cmd += ['--chip', 'esp32']
        cmd += ['--before', 'default_reset', '--after', 'hard_reset']
        cmd += ['--port', self.uart_device]
        cmd += ['write_flash', '-z']
        for addr, path in partitions:
            cmd += ['0x%x' % addr, path]
        subprocess.check_call(cmd)

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        eprint("Firmware flashed.")

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        self.ser = serial.Serial(
            self.uart_device,
            baudrate=500000,
            timeout=5)
        self.reset()

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    def dump_ram(self):
        return None
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def main(argv):
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    if len(argv) != 2:
        print("Usage: test build_dir")
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        return 1
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    build_dir = argv[1]
    kat_path = os.path.join(build_dir, 'LWC_AEAD_KAT.txt')

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    dut = ESP32(build_dir)
    run_nist_lws_aead_test(dut, kat_path, build_dir, 0x0020)
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    return 0
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if __name__ == "__main__":
    sys.exit(main(sys.argv))