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Sonar disable/enable command added
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| """ | ||
| Copyright (c) 2020 Alan Yorinks All rights reserved. | ||
| This program is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
| Version 3 as published by the Free Software Foundation; either | ||
| or (at your option) any later version. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| General Public License for more details. | ||
| You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
| along with this library; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| """ | ||
|
|
||
| import asyncio | ||
| import sys | ||
| import time | ||
| from telemetrix_aio import telemetrix_aio | ||
|
|
||
| """ | ||
| This program continuously monitors an HC-SR04 Ultrasonic Sensor | ||
| It reports changes to the distance sensed. | ||
| """ | ||
| TRIGGER_PIN = 9 | ||
| ECHO_PIN = 10 | ||
|
|
||
| # indices into callback data | ||
| REPORT_TYPE = 0 | ||
| TRIG_PIN = 1 | ||
| DISTANCE = 2 | ||
| TIME = 3 | ||
|
|
||
|
|
||
| # A callback function to display the distance | ||
| async def the_callback(data): | ||
| """ | ||
| The callback function to display the change in distance | ||
| :param data: [report_type = PrivateConstants.SONAR_DISTANCE, trigger pin number, distance, timestamp] | ||
| """ | ||
| date = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(data[3])) | ||
| print(f'Sonar Report: Trigger Pin: {data[1]} Distance: {data[2]} Time: {date}') | ||
|
|
||
|
|
||
| async def sonar(my_board, trigger_pin, echo_pin, callback): | ||
| """ | ||
| Set the pin mode for a sonar device. Results will appear via the | ||
| callback. | ||
| :param my_board: a telemetrix_aio instance | ||
| :param trigger_pin: Arduino pin number | ||
| :param echo_pin: Arduino pin number | ||
| :param callback: The callback function | ||
| """ | ||
|
|
||
| # set the pin mode for the trigger and echo pins | ||
| await my_board.set_pin_mode_sonar(trigger_pin, echo_pin, callback) | ||
| # wait forever | ||
| while True: | ||
| try: | ||
| await asyncio.sleep(5) | ||
| await my_board.sonar_disable() | ||
| await asyncio.sleep(5) | ||
| await my_board.sonar_enable() | ||
|
|
||
| except KeyboardInterrupt: | ||
| await my_board.shutdown() | ||
| sys.exit(0) | ||
|
|
||
|
|
||
| # get the event loop | ||
| loop = asyncio.new_event_loop() | ||
| asyncio.set_event_loop(loop) | ||
|
|
||
| # instantiate telemetrix_aio | ||
| board = telemetrix_aio.TelemetrixAIO() | ||
|
|
||
| try: | ||
| # start the main function | ||
| loop.run_until_complete(sonar(board, TRIGGER_PIN, ECHO_PIN, the_callback)) | ||
| except KeyboardInterrupt: | ||
| loop.run_until_complete(board.shutdown()) | ||
| sys.exit(0) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| """ | ||
| Copyright (c) 2020 Alan Yorinks All rights reserved. | ||
| This program is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
| Version 3 as published by the Free Software Foundation; either | ||
| or (at your option) any later version. | ||
| This library is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| General Public License for more details. | ||
| You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE | ||
| along with this library; if not, write to the Free Software | ||
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| """ | ||
|
|
||
| import asyncio | ||
| import sys | ||
| import time | ||
| from telemetrix_aio import telemetrix_aio | ||
|
|
||
| """ | ||
| This program continuously monitors an HC-SR04 Ultrasonic Sensor | ||
| It reports changes to the distance sensed. | ||
| """ | ||
| TRIGGER_PIN = 4 | ||
| ECHO_PIN = 5 | ||
|
|
||
| # indices into callback data | ||
| REPORT_TYPE = 0 | ||
| TRIG_PIN = 1 | ||
| DISTANCE = 2 | ||
| TIME = 3 | ||
|
|
||
|
|
||
| # A callback function to display the distance | ||
| async def the_callback(data): | ||
| """ | ||
| The callback function to display the change in distance | ||
| :param data: [report_type = PrivateConstants.SONAR_DISTANCE, trigger pin number, distance, timestamp] | ||
| """ | ||
| date = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(data[3])) | ||
| print(f'Sonar Report: Trigger Pin: {data[1]} Distance: {data[2]} Time: {date}') | ||
|
|
||
|
|
||
| async def sonar(my_board, trigger_pin, echo_pin, callback): | ||
| """ | ||
| Set the pin mode for a sonar device. Results will appear via the | ||
| callback. | ||
| :param my_board: telemetrix-aio instance | ||
| :param trigger_pin: Arduino pin number | ||
| :param echo_pin: Arduino pin number | ||
| :param callback: The callback function | ||
| """ | ||
|
|
||
| # set the pin mode for the trigger and echo pins | ||
| await my_board.set_pin_mode_sonar(trigger_pin, echo_pin, callback) | ||
| # wait forever | ||
| while True: | ||
| try: | ||
| await asyncio.sleep(5) | ||
| await my_board.sonar_disable() | ||
| await asyncio.sleep(5) | ||
| await my_board.sonar_enable() | ||
|
|
||
| except KeyboardInterrupt: | ||
| await my_board.shutdown() | ||
| sys.exit(0) | ||
|
|
||
| # get the event loop | ||
| loop = asyncio.new_event_loop() | ||
| asyncio.set_event_loop(loop) | ||
|
|
||
| # instantiate telemetrix_aio | ||
| board = telemetrix_aio.TelemetrixAIO(ip_address='192.168.2.220') | ||
|
|
||
| try: | ||
| # start the main function | ||
| loop.run_until_complete(sonar(board, TRIGGER_PIN, ECHO_PIN, the_callback)) | ||
| except KeyboardInterrupt: | ||
| loop.run_until_complete(board.shutdown()) | ||
| sys.exit(0) |
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