Arrow
Repostiory containing DAPLink source code with Reset Pin workaround for HANI_IOT board.
Upstream: https://github.com/ARMmbed/DAPLink
test/serial_test.py@0:01f31e923fe2, 2020-04-07 (annotated)
- Committer:
- Pawel Zarembski
- Date:
- Tue Apr 07 12:55:42 2020 +0200
- Revision:
- 0:01f31e923fe2
hani: DAPLink with reset workaround
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Pawel Zarembski |
0:01f31e923fe2 | 1 | # |
| Pawel Zarembski |
0:01f31e923fe2 | 2 | # DAPLink Interface Firmware |
| Pawel Zarembski |
0:01f31e923fe2 | 3 | # Copyright (c) 2009-2016, ARM Limited, All Rights Reserved |
| Pawel Zarembski |
0:01f31e923fe2 | 4 | # SPDX-License-Identifier: Apache-2.0 |
| Pawel Zarembski |
0:01f31e923fe2 | 5 | # |
| Pawel Zarembski |
0:01f31e923fe2 | 6 | # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| Pawel Zarembski |
0:01f31e923fe2 | 7 | # not use this file except in compliance with the License. |
| Pawel Zarembski |
0:01f31e923fe2 | 8 | # You may obtain a copy of the License at |
| Pawel Zarembski |
0:01f31e923fe2 | 9 | # |
| Pawel Zarembski |
0:01f31e923fe2 | 10 | # http://www.apache.org/licenses/LICENSE-2.0 |
| Pawel Zarembski |
0:01f31e923fe2 | 11 | # |
| Pawel Zarembski |
0:01f31e923fe2 | 12 | # Unless required by applicable law or agreed to in writing, software |
| Pawel Zarembski |
0:01f31e923fe2 | 13 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| Pawel Zarembski |
0:01f31e923fe2 | 14 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| Pawel Zarembski |
0:01f31e923fe2 | 15 | # See the License for the specific language governing permissions and |
| Pawel Zarembski |
0:01f31e923fe2 | 16 | # limitations under the License. |
| Pawel Zarembski |
0:01f31e923fe2 | 17 | # |
| Pawel Zarembski |
0:01f31e923fe2 | 18 | |
| Pawel Zarembski |
0:01f31e923fe2 | 19 | from __future__ import absolute_import |
| Pawel Zarembski |
0:01f31e923fe2 | 20 | from __future__ import division |
| Pawel Zarembski |
0:01f31e923fe2 | 21 | import queue |
| Pawel Zarembski |
0:01f31e923fe2 | 22 | import functools |
| Pawel Zarembski |
0:01f31e923fe2 | 23 | import serial |
| Pawel Zarembski |
0:01f31e923fe2 | 24 | import threading |
| Pawel Zarembski |
0:01f31e923fe2 | 25 | import time |
| Pawel Zarembski |
0:01f31e923fe2 | 26 | |
| Pawel Zarembski |
0:01f31e923fe2 | 27 | ERROR_TIMEOUT_SECONDS = 10.0 |
| Pawel Zarembski |
0:01f31e923fe2 | 28 | |
| Pawel Zarembski |
0:01f31e923fe2 | 29 | |
| Pawel Zarembski |
0:01f31e923fe2 | 30 | def _same(d1, d2): |
| Pawel Zarembski |
0:01f31e923fe2 | 31 | #Do a string or bytearray compare |
| Pawel Zarembski |
0:01f31e923fe2 | 32 | if d1 != d2: |
| Pawel Zarembski |
0:01f31e923fe2 | 33 | return False |
| Pawel Zarembski |
0:01f31e923fe2 | 34 | return True |
| Pawel Zarembski |
0:01f31e923fe2 | 35 | |
| Pawel Zarembski |
0:01f31e923fe2 | 36 | # http://digital.ni.com/public.nsf/allkb/D37754FFA24F7C3F86256706005B9BE7 |
| Pawel Zarembski |
0:01f31e923fe2 | 37 | standard_baud = [ |
| Pawel Zarembski |
0:01f31e923fe2 | 38 | 9600, |
| Pawel Zarembski |
0:01f31e923fe2 | 39 | 14400, |
| Pawel Zarembski |
0:01f31e923fe2 | 40 | 19200, |
| Pawel Zarembski |
0:01f31e923fe2 | 41 | 28800, |
| Pawel Zarembski |
0:01f31e923fe2 | 42 | 38400, |
| Pawel Zarembski |
0:01f31e923fe2 | 43 | #56000, #TODO - uncomment once daplink-validation supports 56000 on nrf5x |
| Pawel Zarembski |
0:01f31e923fe2 | 44 | 57600, |
| Pawel Zarembski |
0:01f31e923fe2 | 45 | 115200, |
| Pawel Zarembski |
0:01f31e923fe2 | 46 | ] |
| Pawel Zarembski |
0:01f31e923fe2 | 47 | timing_test_baud = standard_baud[3:] |
| Pawel Zarembski |
0:01f31e923fe2 | 48 | |
| Pawel Zarembski |
0:01f31e923fe2 | 49 | |
| Pawel Zarembski |
0:01f31e923fe2 | 50 | def calc_timeout(length, baud): |
| Pawel Zarembski |
0:01f31e923fe2 | 51 | """Calculate a timeout given the data and baudrate |
| Pawel Zarembski |
0:01f31e923fe2 | 52 | |
| Pawel Zarembski |
0:01f31e923fe2 | 53 | Positional arguments: |
| Pawel Zarembski |
0:01f31e923fe2 | 54 | length - size of data to be sent |
| Pawel Zarembski |
0:01f31e923fe2 | 55 | baud - baud rate to send data |
| Pawel Zarembski |
0:01f31e923fe2 | 56 | |
| Pawel Zarembski |
0:01f31e923fe2 | 57 | Calculate a reasonable timeout given the supplied parameters. |
| Pawel Zarembski |
0:01f31e923fe2 | 58 | This function adds slightly more time then is needed, to accont |
| Pawel Zarembski |
0:01f31e923fe2 | 59 | for latency and various configurations. |
| Pawel Zarembski |
0:01f31e923fe2 | 60 | """ |
| Pawel Zarembski |
0:01f31e923fe2 | 61 | return 12 * float(length) / float(baud) + 0.2 |
| Pawel Zarembski |
0:01f31e923fe2 | 62 | |
| Pawel Zarembski |
0:01f31e923fe2 | 63 | |
| Pawel Zarembski |
0:01f31e923fe2 | 64 | class SerialTester(object): |
| Pawel Zarembski |
0:01f31e923fe2 | 65 | """Helper object to buffer serial and setup baud""" |
| Pawel Zarembski |
0:01f31e923fe2 | 66 | |
| Pawel Zarembski |
0:01f31e923fe2 | 67 | def __init__(self, port): |
| Pawel Zarembski |
0:01f31e923fe2 | 68 | self.raw_serial = serial.Serial(port=port,bytesize=serial.EIGHTBITS, parity=serial.PARITY_NONE, stopbits=serial.STOPBITS_ONE, timeout=None, xonxoff=False, rtscts=False, write_timeout=None, dsrdtr=False, inter_byte_timeout=None, exclusive=None) |
| Pawel Zarembski |
0:01f31e923fe2 | 69 | self.raw_serial.write_timeout = ERROR_TIMEOUT_SECONDS |
| Pawel Zarembski |
0:01f31e923fe2 | 70 | self._queue = queue.Queue() |
| Pawel Zarembski |
0:01f31e923fe2 | 71 | self._write_thread = threading.Thread(target=self._serial_main) |
| Pawel Zarembski |
0:01f31e923fe2 | 72 | self._write_thread.start() |
| Pawel Zarembski |
0:01f31e923fe2 | 73 | |
| Pawel Zarembski |
0:01f31e923fe2 | 74 | def __enter__(self): |
| Pawel Zarembski |
0:01f31e923fe2 | 75 | return self |
| Pawel Zarembski |
0:01f31e923fe2 | 76 | |
| Pawel Zarembski |
0:01f31e923fe2 | 77 | def __exit__(self, exception_type, value, traceback): |
| Pawel Zarembski |
0:01f31e923fe2 | 78 | self._queue.put(None) |
| Pawel Zarembski |
0:01f31e923fe2 | 79 | self._write_thread.join(ERROR_TIMEOUT_SECONDS) |
| Pawel Zarembski |
0:01f31e923fe2 | 80 | assert not self._write_thread.isAlive(), "Thread join failed" |
| Pawel Zarembski |
0:01f31e923fe2 | 81 | self.raw_serial.close() |
| Pawel Zarembski |
0:01f31e923fe2 | 82 | self.raw_serial = None |
| Pawel Zarembski |
0:01f31e923fe2 | 83 | return False |
| Pawel Zarembski |
0:01f31e923fe2 | 84 | |
| Pawel Zarembski |
0:01f31e923fe2 | 85 | def new_session_with_baud(self, baud, parent_test): |
| Pawel Zarembski |
0:01f31e923fe2 | 86 | """Start a new session by restarting target and setting baud""" |
| Pawel Zarembski |
0:01f31e923fe2 | 87 | test_info = parent_test.create_subtest("Set Baud") |
| Pawel Zarembski |
0:01f31e923fe2 | 88 | |
| Pawel Zarembski |
0:01f31e923fe2 | 89 | # Set baud to 115200 |
| Pawel Zarembski |
0:01f31e923fe2 | 90 | self.raw_serial.baudrate = 115200 |
| Pawel Zarembski |
0:01f31e923fe2 | 91 | self.raw_serial.timeout = 1.0 |
| Pawel Zarembski |
0:01f31e923fe2 | 92 | |
| Pawel Zarembski |
0:01f31e923fe2 | 93 | # Reset the target |
| Pawel Zarembski |
0:01f31e923fe2 | 94 | self.raw_serial.reset_output_buffer() |
| Pawel Zarembski |
0:01f31e923fe2 | 95 | self.raw_serial.reset_input_buffer() |
| Pawel Zarembski |
0:01f31e923fe2 | 96 | self.raw_serial.sendBreak() |
| Pawel Zarembski |
0:01f31e923fe2 | 97 | |
| Pawel Zarembski |
0:01f31e923fe2 | 98 | # Wait until the target is initialized |
| Pawel Zarembski |
0:01f31e923fe2 | 99 | expected_resp = "{init}" |
| Pawel Zarembski |
0:01f31e923fe2 | 100 | resp = self.read(len(expected_resp)) |
| Pawel Zarembski |
0:01f31e923fe2 | 101 | if not _same(resp.decode(), expected_resp): |
| Pawel Zarembski |
0:01f31e923fe2 | 102 | test_info.failure("Fail on init: %s" % resp) |
| Pawel Zarembski |
0:01f31e923fe2 | 103 | return False |
| Pawel Zarembski |
0:01f31e923fe2 | 104 | |
| Pawel Zarembski |
0:01f31e923fe2 | 105 | # Change baudrate to that of the first test |
| Pawel Zarembski |
0:01f31e923fe2 | 106 | command = "{baud:%i}" % baud |
| Pawel Zarembski |
0:01f31e923fe2 | 107 | self.write(command.encode()) |
| Pawel Zarembski |
0:01f31e923fe2 | 108 | resp = self.read(len(command)) |
| Pawel Zarembski |
0:01f31e923fe2 | 109 | if not _same(resp.decode(), command): |
| Pawel Zarembski |
0:01f31e923fe2 | 110 | test_info.failure("Fail on baud command: %s" % resp) |
| Pawel Zarembski |
0:01f31e923fe2 | 111 | return False |
| Pawel Zarembski |
0:01f31e923fe2 | 112 | |
| Pawel Zarembski |
0:01f31e923fe2 | 113 | # Update baud of local serial port |
| Pawel Zarembski |
0:01f31e923fe2 | 114 | self.raw_serial.baudrate = baud |
| Pawel Zarembski |
0:01f31e923fe2 | 115 | |
| Pawel Zarembski |
0:01f31e923fe2 | 116 | # Read the response indicating that the baudrate |
| Pawel Zarembski |
0:01f31e923fe2 | 117 | # on the target has changed |
| Pawel Zarembski |
0:01f31e923fe2 | 118 | expected_resp = "{change}" |
| Pawel Zarembski |
0:01f31e923fe2 | 119 | resp = self.read(len(expected_resp)) |
| Pawel Zarembski |
0:01f31e923fe2 | 120 | if not _same(resp.decode(), expected_resp): |
| Pawel Zarembski |
0:01f31e923fe2 | 121 | test_info.failure("Fail on baud change %s" % resp) |
| Pawel Zarembski |
0:01f31e923fe2 | 122 | return False |
| Pawel Zarembski |
0:01f31e923fe2 | 123 | |
| Pawel Zarembski |
0:01f31e923fe2 | 124 | # Set default timeout |
| Pawel Zarembski |
0:01f31e923fe2 | 125 | self.raw_serial.timeout = ERROR_TIMEOUT_SECONDS |
| Pawel Zarembski |
0:01f31e923fe2 | 126 | |
| Pawel Zarembski |
0:01f31e923fe2 | 127 | # Success |
| Pawel Zarembski |
0:01f31e923fe2 | 128 | return True |
| Pawel Zarembski |
0:01f31e923fe2 | 129 | |
| Pawel Zarembski |
0:01f31e923fe2 | 130 | def read(self, length): |
| Pawel Zarembski |
0:01f31e923fe2 | 131 | """Read serial data""" |
| Pawel Zarembski |
0:01f31e923fe2 | 132 | return self.raw_serial.read(length) |
| Pawel Zarembski |
0:01f31e923fe2 | 133 | |
| Pawel Zarembski |
0:01f31e923fe2 | 134 | def write(self, data): |
| Pawel Zarembski |
0:01f31e923fe2 | 135 | """Write serial port data in the background""" |
| Pawel Zarembski |
0:01f31e923fe2 | 136 | func = functools.partial(self.raw_serial.write, data) |
| Pawel Zarembski |
0:01f31e923fe2 | 137 | self._queue.put(func) |
| Pawel Zarembski |
0:01f31e923fe2 | 138 | |
| Pawel Zarembski |
0:01f31e923fe2 | 139 | def set_read_timeout(self, timeout): |
| Pawel Zarembski |
0:01f31e923fe2 | 140 | """Set timeout for read operations""" |
| Pawel Zarembski |
0:01f31e923fe2 | 141 | assert self._queue.empty(), "Queue must be empty to change timeout" |
| Pawel Zarembski |
0:01f31e923fe2 | 142 | self.raw_serial.timeout = timeout |
| Pawel Zarembski |
0:01f31e923fe2 | 143 | |
| Pawel Zarembski |
0:01f31e923fe2 | 144 | def flush(self): |
| Pawel Zarembski |
0:01f31e923fe2 | 145 | """Wait for all writes to complete""" |
| Pawel Zarembski |
0:01f31e923fe2 | 146 | self._queue.join() |
| Pawel Zarembski |
0:01f31e923fe2 | 147 | assert self._queue.empty() |
| Pawel Zarembski |
0:01f31e923fe2 | 148 | |
| Pawel Zarembski |
0:01f31e923fe2 | 149 | def _serial_main(self): |
| Pawel Zarembski |
0:01f31e923fe2 | 150 | """Write helper thread""" |
| Pawel Zarembski |
0:01f31e923fe2 | 151 | while True: |
| Pawel Zarembski |
0:01f31e923fe2 | 152 | task = self._queue.get(True) |
| Pawel Zarembski |
0:01f31e923fe2 | 153 | if task is None: |
| Pawel Zarembski |
0:01f31e923fe2 | 154 | self._queue.task_done() |
| Pawel Zarembski |
0:01f31e923fe2 | 155 | # End of processing is an empty task |
| Pawel Zarembski |
0:01f31e923fe2 | 156 | break |
| Pawel Zarembski |
0:01f31e923fe2 | 157 | try: |
| Pawel Zarembski |
0:01f31e923fe2 | 158 | task() |
| Pawel Zarembski |
0:01f31e923fe2 | 159 | except serial.SerialTimeoutException: |
| Pawel Zarembski |
0:01f31e923fe2 | 160 | pass |
| Pawel Zarembski |
0:01f31e923fe2 | 161 | self._queue.task_done() |
| Pawel Zarembski |
0:01f31e923fe2 | 162 | |
| Pawel Zarembski |
0:01f31e923fe2 | 163 | |
| Pawel Zarembski |
0:01f31e923fe2 | 164 | def test_serial(workspace, parent_test): |
| Pawel Zarembski |
0:01f31e923fe2 | 165 | """Test the serial port endpoint |
| Pawel Zarembski |
0:01f31e923fe2 | 166 | |
| Pawel Zarembski |
0:01f31e923fe2 | 167 | Requirements: |
| Pawel Zarembski |
0:01f31e923fe2 | 168 | -daplink-validation must be loaded for the target. |
| Pawel Zarembski |
0:01f31e923fe2 | 169 | |
| Pawel Zarembski |
0:01f31e923fe2 | 170 | Positional arguments: |
| Pawel Zarembski |
0:01f31e923fe2 | 171 | port - the serial port to open as a string |
| Pawel Zarembski |
0:01f31e923fe2 | 172 | |
| Pawel Zarembski |
0:01f31e923fe2 | 173 | Return: |
| Pawel Zarembski |
0:01f31e923fe2 | 174 | True if the test passed, False otherwise |
| Pawel Zarembski |
0:01f31e923fe2 | 175 | """ |
| Pawel Zarembski |
0:01f31e923fe2 | 176 | test_info = parent_test.create_subtest("Serial test") |
| Pawel Zarembski |
0:01f31e923fe2 | 177 | board = workspace.board |
| Pawel Zarembski |
0:01f31e923fe2 | 178 | port = board.get_serial_port() |
| Pawel Zarembski |
0:01f31e923fe2 | 179 | test_info.info("Testing serial port %s" % port) |
| Pawel Zarembski |
0:01f31e923fe2 | 180 | |
| Pawel Zarembski |
0:01f31e923fe2 | 181 | # Note: OSX sends a break command when a serial port is closed. |
| Pawel Zarembski |
0:01f31e923fe2 | 182 | # To avoid problems while testing keep the serial port open the |
| Pawel Zarembski |
0:01f31e923fe2 | 183 | # whole time. Use the property 'baudrate' to change the baud |
| Pawel Zarembski |
0:01f31e923fe2 | 184 | # instead of opening a new instance. |
| Pawel Zarembski |
0:01f31e923fe2 | 185 | |
| Pawel Zarembski |
0:01f31e923fe2 | 186 | with SerialTester(port) as sp: |
| Pawel Zarembski |
0:01f31e923fe2 | 187 | |
| Pawel Zarembski |
0:01f31e923fe2 | 188 | # Generate a 4KB block of dummy data |
| Pawel Zarembski |
0:01f31e923fe2 | 189 | # and test supported baud rates |
| Pawel Zarembski |
0:01f31e923fe2 | 190 | test_data = [i for i in range(0, 256)] * 4 * 4 |
| Pawel Zarembski |
0:01f31e923fe2 | 191 | test_data = bytearray(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 192 | for baud in standard_baud: |
| Pawel Zarembski |
0:01f31e923fe2 | 193 | |
| Pawel Zarembski |
0:01f31e923fe2 | 194 | test_info.info("Testing baud %i" % baud) |
| Pawel Zarembski |
0:01f31e923fe2 | 195 | success = sp.new_session_with_baud(baud, test_info) |
| Pawel Zarembski |
0:01f31e923fe2 | 196 | if not success: |
| Pawel Zarembski |
0:01f31e923fe2 | 197 | test_info.failure("Unable to setup session") |
| Pawel Zarembski |
0:01f31e923fe2 | 198 | continue |
| Pawel Zarembski |
0:01f31e923fe2 | 199 | |
| Pawel Zarembski |
0:01f31e923fe2 | 200 | # Perform test |
| Pawel Zarembski |
0:01f31e923fe2 | 201 | sp.write(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 202 | resp = sp.read(len(test_data)) |
| Pawel Zarembski |
0:01f31e923fe2 | 203 | if _same(test_data, resp): |
| Pawel Zarembski |
0:01f31e923fe2 | 204 | test_info.info("Pass") |
| Pawel Zarembski |
0:01f31e923fe2 | 205 | else: |
| Pawel Zarembski |
0:01f31e923fe2 | 206 | test_info.failure("Fail on baud %s" % baud) |
| Pawel Zarembski |
0:01f31e923fe2 | 207 | |
| Pawel Zarembski |
0:01f31e923fe2 | 208 | # Timing stress test - send data at critical points |
| Pawel Zarembski |
0:01f31e923fe2 | 209 | # in time like right as the transmitter is turned off |
| Pawel Zarembski |
0:01f31e923fe2 | 210 | # ------------------ |
| Pawel Zarembski |
0:01f31e923fe2 | 211 | # Test sequence |
| Pawel Zarembski |
0:01f31e923fe2 | 212 | # 1. Send a block of data (vary size for the test) |
| Pawel Zarembski |
0:01f31e923fe2 | 213 | # 2. Wait until 1 byte is read back |
| Pawel Zarembski |
0:01f31e923fe2 | 214 | # 3. Write 1 byte |
| Pawel Zarembski |
0:01f31e923fe2 | 215 | # 4. Read back all data |
| Pawel Zarembski |
0:01f31e923fe2 | 216 | test_data = [i for i in range(0, 256)] * 4 * 4 |
| Pawel Zarembski |
0:01f31e923fe2 | 217 | test_data = bytearray(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 218 | for baud in timing_test_baud: |
| Pawel Zarembski |
0:01f31e923fe2 | 219 | |
| Pawel Zarembski |
0:01f31e923fe2 | 220 | test_info.info("Timing test baud %i" % baud) |
| Pawel Zarembski |
0:01f31e923fe2 | 221 | success = sp.new_session_with_baud(baud, test_info) |
| Pawel Zarembski |
0:01f31e923fe2 | 222 | if not success: |
| Pawel Zarembski |
0:01f31e923fe2 | 223 | test_info.failure("Unable to setup session") |
| Pawel Zarembski |
0:01f31e923fe2 | 224 | continue |
| Pawel Zarembski |
0:01f31e923fe2 | 225 | |
| Pawel Zarembski |
0:01f31e923fe2 | 226 | test_pass = True |
| Pawel Zarembski |
0:01f31e923fe2 | 227 | for data_size in range(1, 10): |
| Pawel Zarembski |
0:01f31e923fe2 | 228 | data = test_data[0:data_size + 1] |
| Pawel Zarembski |
0:01f31e923fe2 | 229 | for _ in range(0, 1000): |
| Pawel Zarembski |
0:01f31e923fe2 | 230 | resp = bytearray() |
| Pawel Zarembski |
0:01f31e923fe2 | 231 | |
| Pawel Zarembski |
0:01f31e923fe2 | 232 | sp.write(data[0:data_size]) |
| Pawel Zarembski |
0:01f31e923fe2 | 233 | resp += sp.read(1) |
| Pawel Zarembski |
0:01f31e923fe2 | 234 | sp.write(data[-1:]) |
| Pawel Zarembski |
0:01f31e923fe2 | 235 | resp += sp.read(data_size) |
| Pawel Zarembski |
0:01f31e923fe2 | 236 | sp.flush() |
| Pawel Zarembski |
0:01f31e923fe2 | 237 | if not _same(data, resp): |
| Pawel Zarembski |
0:01f31e923fe2 | 238 | test_pass = False |
| Pawel Zarembski |
0:01f31e923fe2 | 239 | test_info.info("fail size - %s" % data_size) |
| Pawel Zarembski |
0:01f31e923fe2 | 240 | break |
| Pawel Zarembski |
0:01f31e923fe2 | 241 | |
| Pawel Zarembski |
0:01f31e923fe2 | 242 | if test_pass: |
| Pawel Zarembski |
0:01f31e923fe2 | 243 | test_info.info("Pass") |
| Pawel Zarembski |
0:01f31e923fe2 | 244 | else: |
| Pawel Zarembski |
0:01f31e923fe2 | 245 | test_info.failure("Fail on timing test with baud %s" |
| Pawel Zarembski |
0:01f31e923fe2 | 246 | % baud) |
| Pawel Zarembski |
0:01f31e923fe2 | 247 | |
| Pawel Zarembski |
0:01f31e923fe2 | 248 | # Setting change smoke test - reconfigure settings while |
| Pawel Zarembski |
0:01f31e923fe2 | 249 | # in the middle of a transfer and verify nothing bad |
| Pawel Zarembski |
0:01f31e923fe2 | 250 | test_data = [i for i in range(0, 128)] |
| Pawel Zarembski |
0:01f31e923fe2 | 251 | test_data = bytearray(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 252 | sp.new_session_with_baud(115200, test_info) |
| Pawel Zarembski |
0:01f31e923fe2 | 253 | sp.set_read_timeout(0) |
| Pawel Zarembski |
0:01f31e923fe2 | 254 | for baud in standard_baud: |
| Pawel Zarembski |
0:01f31e923fe2 | 255 | sp.raw_serial.baudrate = baud |
| Pawel Zarembski |
0:01f31e923fe2 | 256 | sp.write(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 257 | xfer_time = float(len(test_data) * 10) / float(baud) |
| Pawel Zarembski |
0:01f31e923fe2 | 258 | time.sleep(xfer_time / 2) |
| Pawel Zarembski |
0:01f31e923fe2 | 259 | # Discard data |
| Pawel Zarembski |
0:01f31e923fe2 | 260 | sp.read(1024) |
| Pawel Zarembski |
0:01f31e923fe2 | 261 | # Read any leftover data |
| Pawel Zarembski |
0:01f31e923fe2 | 262 | sp.flush() |
| Pawel Zarembski |
0:01f31e923fe2 | 263 | sp.raw_serial.baudrate = 115200 |
| Pawel Zarembski |
0:01f31e923fe2 | 264 | sp.set_read_timeout(1.0) |
| Pawel Zarembski |
0:01f31e923fe2 | 265 | sp.read(128 * len(standard_baud)) |
| Pawel Zarembski |
0:01f31e923fe2 | 266 | |
| Pawel Zarembski |
0:01f31e923fe2 | 267 | # Generate a 8 KB block of dummy data |
| Pawel Zarembski |
0:01f31e923fe2 | 268 | # and test a large block transfer |
| Pawel Zarembski |
0:01f31e923fe2 | 269 | test_data = [i for i in range(0, 256)] * 4 * 8 |
| Pawel Zarembski |
0:01f31e923fe2 | 270 | test_data = bytearray(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 271 | sp.new_session_with_baud(115200, test_info) |
| Pawel Zarembski |
0:01f31e923fe2 | 272 | |
| Pawel Zarembski |
0:01f31e923fe2 | 273 | sp.write(test_data) |
| Pawel Zarembski |
0:01f31e923fe2 | 274 | resp = sp.read(len(test_data)) |
| Pawel Zarembski |
0:01f31e923fe2 | 275 | if _same(resp, test_data): |
| Pawel Zarembski |
0:01f31e923fe2 | 276 | test_info.info("Block test passed") |
| Pawel Zarembski |
0:01f31e923fe2 | 277 | else: |
| Pawel Zarembski |
0:01f31e923fe2 | 278 | test_info.failure("Block test failed") |
| Pawel Zarembski |
0:01f31e923fe2 | 279 | |
| Pawel Zarembski |
0:01f31e923fe2 | 280 | # Refresh to check for asserts |
| Pawel Zarembski |
0:01f31e923fe2 | 281 | board.refresh(test_info) |