Automated upload tools

find_port.py

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+#!/usr/bin/python -u
+
+"""Program which detects USB serial ports.
+This program will search for a USB serial port using a search criteria.
+In its simplest form, you can use the -l (--list) option to list all of
+the detected serial ports.
+You can also add the following filters:
+--vid 2341      Will only match devices with a Vendor ID of 2341.
+--pid 0001      Will only match devices with a Product ID of 0001
+--vendor Micro  Will only match devices whose vendor name starts with Micro
+--seral  00123  Will only match devices whose serial number stats with 00123
+If you use -l or --list then detailed information about all of the matches
+will be printed. If you don't use -l (or --list) then only the name of
+the device will be printed (i.e. /dev/ttyACM0). This is useful in scripts
+where you want to pass the name of the serial port into a utiity to open.
+"""
+
+from __future__ import print_function
+
+import select
+import pyudev
+import serial
+import sys
+import tty
+import termios
+import traceback
+import syslog
+import argparse
+import time
+
+EXIT_CHAR = chr(ord('X') - ord('@'))    # Control-X
+
+def is_usb_serial(device, args):
+    """Checks device to see if its a USB Serial device.
+    The caller already filters on the subsystem being 'tty'.
+    If serial_num or vendor is provided, then it will further check to
+    see if the serial number and vendor of the device also matches.
+    """
+    if 'ID_VENDOR' not in device:
+        return False
+    if not args.vid is None:
+        if device['ID_VENDOR_ID'] != args.vid:
+            return False
+    if not args.pid is None:
+        if device['ID_MODEL_ID'] != args.pid:
+            return False
+    if not args.vendor is None:
+        if not device['ID_VENDOR'].startswith(args.vendor):
+            return False
+    if not args.serial is None:
+        if not device['ID_SERIAL_SHORT'].startswith(args.serial):
+            return False
+    return True
+
+
+def extra_info(device):
+    extra_items = []
+    if 'ID_VENDOR' in device:
+        extra_items.append("vendor '%s'" % device['ID_VENDOR'])
+    if 'ID_SERIAL_SHORT' in device:
+        extra_items.append("serial '%s'" % device['ID_SERIAL_SHORT'])
+    if extra_items:
+        return ' with ' + ' '.join(extra_items)
+    return ''
+
+
+def main():
+    """The main program."""
+
+    default_baud = 115200
+    parser = argparse.ArgumentParser(
+        prog="find-port.py",
+        usage="%(prog)s [options] [command]",
+        description="Find the /dev/tty port for a USB Serial devices",
+    )
+    parser.add_argument(
+        "-l", "--list",
+        dest="list",
+        action="store_true",
+        help="List USB Serial devices currently connected"
+    )
+    parser.add_argument(
+        "-s", "--serial",
+        dest="serial",
+        help="Only show devices with the indicated serial number",
+        default=None,
+    )
+    parser.add_argument(
+        "-n", "--vendor",
+        dest="vendor",
+        help="Only show devices with the indicated vendor name",
+        default=None
+    )
+    parser.add_argument(
+        "--pid",
+        dest="pid",
+        action="store",
+        help="Only show device with indicated PID",
+        default=None
+    )
+    parser.add_argument(
+        "-v", "--verbose",
+        dest="verbose",
+        action="store_true",
+        help="Turn on verbose messages",
+        default=False
+    )
+    parser.add_argument(
+        "--vid",
+        dest="vid",
+        action="store",
+        help="Only show device with indicated VID",
+        default=None
+    )
+    args = parser.parse_args(sys.argv[1:])
+
+    if args.verbose:
+        print('pyudev version = %s' % pyudev.__version__)
+
+    context = pyudev.Context()
+
+    if args.list:
+        detected = False
+        for device in context.list_devices(subsystem='tty'):
+            if is_usb_serial(device, args):
+                print('USB Serial Device %s:%s%s found @%s\r' % (
+                      device['ID_VENDOR_ID'], device['ID_MODEL_ID'],
+                      extra_info(device), device.device_node))
+                detected = True
+        if not detected:
+            print('No USB Serial devices detected.\r')
+        return
+
+    for device in context.list_devices(subsystem='tty'):
+        if is_usb_serial(device, args):
+            print(device.device_node)
+            return
+    sys.exit(1)
+
+
+main()

upload.sh

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+#!/bin/bash
+cd ./g2core
+make CONFIG=geratech
+
+set -x
+PORT=$(python3 ../find_port.py --vendor Synthetos)
+
+if [ ! -n "$PORT" ]; then
+  PORT=$(python3 ../find_port.py --vendor 03eb)
+fi
+
+if [ ! -n "$PORT" ]; then
+  echo "No port found"
+  exit
+fi
+
+# Activate the bootloader
+stty -F ${PORT} 1200 hup
+sleep 1
+stty -F ${PORT} 9600
+sleep 3
+
+# Program
+bossac -e -w -v -i -b -R ./bin/geratech-gShield/g2core.bin
+
+cd ../