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// Hermes Lite 2 Basic Metis Protocol 1 Operation Emulator | |
// emulates Discovery and a 1 slice receiver (for IQ data from a file) | |
// uses UDP port 1024 | |
// | |
// cc fhl2e.c -lpthread -lm -o fhl2 | |
// | |
// ( "usage -n -f0 -g -sr -iq \n" ) | |
// for add noise, add tone frequency & gain, set sample rate, IQ filename | |
#define FHL2EVERSION ("1.0.102") // 2024-02-05 rhn@hotpaw.com |
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// | |
// Example of Using AVAudioPlayer | |
// to play a buffer of (synthesized) audio samples from memory | |
// by converting a [Float] buffer into an in-memory WAV file | |
// | |
// Copyright © 2019 Ronald H Nicholson Jr. All rights reserved. | |
// (re)Distribution permitted under the 3-clause New BSD license. | |
// | |
import Foundation |
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// | |
// receive packets via UPD in Swift | |
// Original: https://gist.github.com/NeoTeo/b6195efb779d925fd7b8 | |
// server only converted to Swift 4 2018-02-24 by rhn@nicholson.com | |
// | |
// swiftc udp_receive.swift -o udp_receive | |
// | |
import Foundation |
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rem Some tutorial DSP subroutines for Chipmunk Basic | |
rem | |
rem genstab() Generates a sine table for use by the fft() subroutine | |
rem fft() Implementation of a common in-place DIT FFT algorithm | |
rem *** genstab(m) - a subroutine to generate sine table of length 2^m *** | |
rem *** must be called before calling fft() for | |
rem the first time, and if the length 2^m changes | |
sub genstab(m) |
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100 rem SensorTag button press counter | |
102 rem This program will connect to and count TI SensorTag button presses. | |
104 rem It can count even in the background or with the iPhone display off. | |
106 rem Select a Sensor in the List and wait for connection success. | |
108 rem Tap the display to exit. | |
110 rem for HotPaw Basic 1.7.7 , rhn@hotpaw.com , 2017-12-08 | |
112 rem | |
120 fn btle.init() | |
125 print "Initializing BLE ..." | |
130 fn sleep(5) |
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// | |
// command-line Swift test of an NSURLSession dataTask | |
// 2017-May-06 rhn@nicholson.com (hotpaw) | |
// | |
// compile and run using: | |
// | |
// swiftc nsurl.dtask.test1.swift -o mytest1 | |
// ./mytest1 | |
// |
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// | |
// MyMetalWaterfall.swift | |
// version 0.1.105 (updated for Swift 5) | |
// | |
// Demonstrates using a MetalKit compute shader to render a live waterfall RGB bitmap | |
// into a UIView | |
// | |
// This is a single file iOS app | |
// | |
// It includes AppDelegate for a minimal demonstration app |
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// MyURLStreamTask.swift | |
// Demonstrates using an NSURLSessionStreamTask to implement a bidirectional TCP socket connection | |
// | |
// by rhn@nicholson.com 2017-03-07 | |
// distribution: BSD 2-clause | |
// | |
import Foundation | |
class MyURLStreamTask { |
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// | |
// RecordAudio.swift | |
// | |
// This is a Swift class (updated for Swift 5) | |
// that uses the iOS RemoteIO Audio Unit | |
// to record audio input samples, | |
// (should be instantiated as a singleton object.) | |
// | |
// Created by Ronald Nicholson on 10/21/16. | |
// Copyright © 2017,2019 HotPaw Productions. All rights reserved. |
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