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author | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 11:55:23 -0400 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-07-07 11:55:23 -0400 |
commit | 8655d4f4948b2deef7844503c8d690f23ac1a062 (patch) | |
tree | b2c6effc9d6cd5b5b43933a1e53b8bf17e9e82cf /lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py | |
parent | 1896c76a2928c96f9ab7947bec2ef8dd37623cff (diff) | |
parent | 60b30c036397cb5627fa374bb930794b225daa29 (diff) |
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
Diffstat (limited to 'lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py')
-rw-r--r-- | lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py b/lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py new file mode 100644 index 0000000000..fdb4ad9b69 --- /dev/null +++ b/lib/lufa/Projects/TempDataLogger/TempLogHostApp_Python/temp_log_config.py @@ -0,0 +1,99 @@ +""" + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +""" + +""" + Front-end configuration app for the TempDataLogger project. This script + configures the logger to the current system time and date, with a user + defined logging interval. + + The logging interval should be specified in milliseconds and is rounded to + a multiple of 500ms. + + Usage: + python temp_log_config.py <Log_Interval> + + Example: + python temp_log_config.py 500 + + Requires the pywinusb library (https://pypi.python.org/pypi/pywinusb/). +""" + +import sys +from datetime import datetime +import pywinusb.hid as hid + +# Generic HID device VID, PID and report payload length (length is increased +# by one to account for the Report ID byte that must be pre-pended) +device_vid = 0x03EB +device_pid = 0x2063 +report_length = 1 + 7 + + +def get_hid_device_handle(): + hid_device_filter = hid.HidDeviceFilter(vendor_id=device_vid, + product_id=device_pid) + + valid_hid_devices = hid_device_filter.get_devices() + + if len(valid_hid_devices) is 0: + return None + else: + return valid_hid_devices[0] + + +def configure_temp_log_device(device, time_date, log_interval_500ms): + # Report data for the demo is the report ID (always zero) + report_data = [0] + + # Followed by the time/date data + report_data.extend([time_date.hour, time_date.minute, + time_date.second, time_date.day, + time_date.month, time_date.year - 2000]) + + # Lastly the log interval in 500ms units of time + report_data.extend([log_interval_500ms]) + + # Zero-extend the array to the length the report should be + report_data.extend([0] * (report_length - len(report_data))) + + # Send the generated report to the device + device.send_output_report(report_data) + + +def main(time_date, log_interval_500ms): + hid_device = get_hid_device_handle() + + if hid_device is None: + print("No valid HID device found.") + sys.exit(1) + + try: + hid_device.open() + + print("Connected to device 0x%04X/0x%04X - %s [%s]" % + (hid_device.vendor_id, hid_device.product_id, + hid_device.product_name, hid_device.vendor_name)) + + configure_temp_log_device(hid_device, time_date, log_interval_500ms) + + print("Time/Date is now set to %s" % time_date) + print("Log interval is now set to every %0.1fs" % (log_interval_500ms * (500.0 / 1000.0))) + + finally: + hid_device.close() + + +if __name__ == '__main__': + time_date = datetime.now() + log_interval_500ms = (int(sys.argv[1]) / 500) if len(sys.argv) > 1 else 2 + + # Clamp the log interval to the allowable range + log_interval_500ms = max(log_interval_500ms, 0x01) + log_interval_500ms = min(log_interval_500ms, 0xFF) + + main(time_date, log_interval_500ms) |