hotpaw2

//
//  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
// 

hotpaw2

100 rem  BLE peripheral button service emulation
102 rem  for HotPaw Basic 1.7.7 , 2017-12 , by rhn@nicholson.com
104 rem  Provides the same button service as a TI SensorTag
106 rem  Tap on the iPhone display to send a BLE notification
108 rem  Enter any character to exit
110 rem
120 fn btle.init()
130 print "Initializing ..."
140 fn sleep(1) : fn sleep(1)
160 fn btle.name(1,"HotPaw Button Test")

hotpaw2

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)

hotpaw2

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)

hotpaw2

//
// 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

hotpaw2

/* sieve.c */
/* An old small benchmark from Byte Magazine, circa 1983 and 1984, thus suitable for that vintage of computer. */

#include <stdio.h>
#define TIMES (100000L)
 
static unsigned char f[8192];
 
int main()
{

hotpaw2

// 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 {

hotpaw2

// 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

hotpaw2

//
//  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

hotpaw2

//
//  ToneOutputUnit.swift
//
//  This is a Swift 3 class (which should be instantiated as a singleton object)
//    that can play a single tone of arbitrary tone and frequency on iOS devices
//    using run-time sinewave synthesis and the Audio Unit v3 API with RemoteIO.
//
//  Created by Ronald Nicholson  rhn@nicholson.com  on 2/20/2016.
//    revised 2016-Sep-08 for Swift 3
//  http://www.nicholson.com/rhn/