Chau Vo tomiti

## resens-ble-gateway-based-on-aws-iot-greengrass_04.txt
$ python main.py --endpoint AWS_IOT_ENDPOINT --rootCA root-ca-cert.pem --cert <device>.cert.pem --key <device>.private.key --thingName <device_name> --topic 'ble/discovered_device' --mode publish

## resens-ble-gateway-based-on-aws-iot-greengrass_03.txt
$ sudo -E ./gg-device-setup-latest.sh bootstrap-greengrass-interactive

## resens-ble-gateway-based-on-aws-iot-greengrass_02.txt
$ wget -q -O ./gg-device-setup-latest.sh https://d1onfpft10uf5o.cloudfront.net/greengrass-device-setup/downloads/gg-device-setup-latest.sh && chmod +x ./gg-device-setup-latest.sh && sudo -E ./gg-device-setup-latest.sh bootstrap-greengrass-interactive

## resens-ble-gateway-based-on-aws-iot-greengrass_01.txt
$ export AWS_ACCESS_KEY_ID=<user-access-key-here>
$ export AWS_SECRET_ACCESS_KEY=<user-secret-key-here>

## resens-motion-tracking_building-a-gateway-in-python-for-IMU-sensors_04.txt
def enable_notify(peripheral, service_uuid, char_uuid):
    setup_data = b"\x01\x00"

    svc = peripheral.getServiceByUUID(service_uuid)
    print(svc)

    ch = peripheral.getCharacteristics(uuid=char_uuid)[0]
    print(ch)
    print('Characteristic handle: %d' % ch.valHandle)

## resens-motion-tracking_building-a-gateway-in-python-for-IMU-sensors_03.txt
# attempt connecting
try:
    print('Connecting to ' + device_addr)
    _ble_peripheral = btle.Peripheral(device_addr, addrType=btle.ADDR_TYPE_RANDOM)
    _ble_peripheral.withDelegate(_ble_delegate)

    # Setup to turn notifications on, e.g.
    enable_notify(_ble_peripheral, IMU_SERVICE_UUID, IMU_SAMPLE_CHAR_UUID)
except Exception as e:
    print(e)

## resens-motion-tracking_building-a-gateway-in-python-for-IMU-sensors_02.txt
from bluepy import btle
from bluepy.btle import Scanner, DefaultDelegate
from ble_delegate import ble_delegate

# delegate instance
params = [None]
_ble_delegate = ble_delegate(params) # params is whatever you need

# assign the delegate to the scanner
scanner = Scanner().withDelegate(_ble_delegate)

## resens-motion-tracking_building-a-gateway-in-python-for-IMU-sensors_01.txt
from bluepy import btle
from bluepy.btle import Scanner, DefaultDelegate

class ble_delegate(DefaultDelegate):
    def __init__(self, params):
        btle.DefaultDelegate.__init__(self)
        # ... initialise here

    def handleDiscovery(self, dev, isNewDev, isNewData):
        if isNewDev:

## resens-hexapod_how-to-control-angular-position-using-servo-motor_01.txt
#define T_SAFE      10 // minimum low/high in one duty cycle to avoid zero value
#define T_MIN       500 // min value for HIGH period
#define T_MAX       2500 // max value for HIGH period
#define T           T_MAX+T_SAFE // duty cycle for servo motor in micro-seconds

int servo_pin = 9; // PWM pin

void setup() {
  pinMode(servo_pin, OUTPUT);  // sets the pin as output

## quick_start_with_esp12f_and_mongoose_iot_07.txt
$ File.list('/')
	$ export AWS_ACCESS_KEY_ID=<user-access-key-here>
	$ export AWS_SECRET_ACCESS_KEY=<user-secret-key-here>
	def enable_notify(peripheral, service_uuid, char_uuid):
	setup_data = b"\x01\x00"

	svc = peripheral.getServiceByUUID(service_uuid)
	print(svc)

	ch = peripheral.getCharacteristics(uuid=char_uuid)[0]
	print(ch)
	print('Characteristic handle: %d' % ch.valHandle)
	# attempt connecting
	try:
	print('Connecting to ' + device_addr)
	_ble_peripheral = btle.Peripheral(device_addr, addrType=btle.ADDR_TYPE_RANDOM)
	_ble_peripheral.withDelegate(_ble_delegate)

	# Setup to turn notifications on, e.g.
	enable_notify(_ble_peripheral, IMU_SERVICE_UUID, IMU_SAMPLE_CHAR_UUID)
	except Exception as e:
	print(e)
	from bluepy import btle
	from bluepy.btle import Scanner, DefaultDelegate
	from ble_delegate import ble_delegate

	# delegate instance
	params = [None]
	_ble_delegate = ble_delegate(params) # params is whatever you need

	# assign the delegate to the scanner
	scanner = Scanner().withDelegate(_ble_delegate)
	from bluepy import btle
	from bluepy.btle import Scanner, DefaultDelegate

	class ble_delegate(DefaultDelegate):
	def __init__(self, params):
	btle.DefaultDelegate.__init__(self)
	# ... initialise here

	def handleDiscovery(self, dev, isNewDev, isNewData):
	if isNewDev:
	#define T_SAFE 10 // minimum low/high in one duty cycle to avoid zero value
	#define T_MIN 500 // min value for HIGH period
	#define T_MAX 2500 // max value for HIGH period
	#define T T_MAX+T_SAFE // duty cycle for servo motor in micro-seconds

	int servo_pin = 9; // PWM pin

	void setup() {
	pinMode(servo_pin, OUTPUT); // sets the pin as output