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fix(libraries): remove warnings raised by arduino-lint
WARNING: No example sketches found. Please provide examples. See: https://arduino.github.io/arduino-cli/latest/library-specification/#library-examples (Rule LD004) Signed-off-by: Frederic Pillon <[email protected]>
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‎libraries/CMSIS_DSP/examples/arm_sin_cos_example_f32/arm_sin_cos_example_f32.ino

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/* ----------------------------------------------------------------------
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Copyright (C) 2010-2012 ARM Limited. All rights reserved.
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$Date: 12. March 2014
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$Revision: V1.4.3
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Project: CMSIS DSP Library
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Title: arm_sin_cos_example_f32.c
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Description: Example code demonstrating sin and cos calculation of input signal.
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Target Processor: Cortex-M4/Cortex-M3
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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- Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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- Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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- Neither the name of ARM LIMITED nor the names of its contributors
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may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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-------------------------------------------------------------------- */
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/**
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@ingroup groupExamples
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*/
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/**
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@defgroup SinCosExample SineCosine Example
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\par Description:
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\par
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Demonstrates the Pythagorean trignometric identity with the use of Cosine, Sine, Vector
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Multiplication, and Vector Addition functions.
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\par Algorithm:
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\par
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Mathematically, the Pythagorean trignometric identity is defined by the following equation:
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<pre>sin(x) * sin(x) + cos(x) * cos(x) = 1</pre>
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where \c x is the angle in radians.
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\par Block Diagram:
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\par
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\image html sinCos.gif
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\par Variables Description:
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\par
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\li \c testInput_f32 array of input angle in radians
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\li \c testOutput stores sum of the squares of sine and cosine values of input angle
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\par CMSIS DSP Software Library Functions Used:
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\par
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- arm_cos_f32()
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- arm_sin_f32()
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- arm_mult_f32()
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- arm_add_f32()
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<b> Refer </b>
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\link arm_sin_cos_example_f32.c \endlink
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*/
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/** \example arm_sin_cos_example_f32.c
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*/
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#include "CMSIS_DSP.h"
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/* ----------------------------------------------------------------------
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Defines each of the tests performed
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------------------------------------------------------------------- */
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#define MAX_BLOCKSIZE 32
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#define DELTA (0.0001f)
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/* ----------------------------------------------------------------------
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Test input data for Floating point sin_cos example for 32-blockSize
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Generated by the MATLAB randn() function
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------------------------------------------------------------------- */
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const float32_t testInput_f32[MAX_BLOCKSIZE] =
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{
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-1.244916875853235400, -4.793533929171324800, 0.360705030233248850, 0.827929644170887320, -3.299532218312426900, 3.427441903227623800, 3.422401784294607700, -0.108308165334010680,
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0.941943896490312180, 0.502609575000365850, -0.537345278736373500, 2.088817392965764500, -1.693168684143455700, 6.283185307179590700, -0.392545884746175080, 0.327893095115825040,
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3.070147440456292300, 0.170611405884662230, -0.275275082396073010, -2.395492805446796300, 0.847311163536506600, -3.845517018083148800, 2.055818378415868300, 4.672594161978930800,
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-1.990923030266425800, 2.469305197656249500, 3.609002606064021000, -4.586736582331667500, -4.147080139136136300, 1.643756718868359500, -1.150866392366494800, 1.985805026477433800
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};
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const float32_t testRefOutput_f32 = 1.000000000;
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/* ----------------------------------------------------------------------
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Declare Global variables
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------------------------------------------------------------------- */
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uint32_t blockSize = 32;
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float32_t testOutput;
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float32_t cosOutput;
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float32_t sinOutput;
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float32_t cosSquareOutput;
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float32_t sinSquareOutput;
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/* ----------------------------------------------------------------------
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Max magnitude FFT Bin test
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------------------------------------------------------------------- */
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arm_status status;
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void setup() {
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Serial.begin(9600);
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}
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void loop() {
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float32_t diff;
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uint32_t i;
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for (i = 0; i < blockSize; i++) {
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cosOutput = arm_cos_f32(testInput_f32[i]);
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sinOutput = arm_sin_f32(testInput_f32[i]);
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arm_mult_f32(&cosOutput, &cosOutput, &cosSquareOutput, 1);
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arm_mult_f32(&sinOutput, &sinOutput, &sinSquareOutput, 1);
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arm_add_f32(&cosSquareOutput, &sinSquareOutput, &testOutput, 1);
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/* absolute value of difference between ref and test */
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diff = fabsf(testRefOutput_f32 - testOutput);
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/* Comparison of sin_cos value with reference */
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status = (diff > DELTA) ? ARM_MATH_TEST_FAILURE : ARM_MATH_SUCCESS;
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if ( status == ARM_MATH_TEST_FAILURE) {
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break;
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}
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}
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if (status != ARM_MATH_SUCCESS) {
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Serial.println("FAILURE");
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}
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else {
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Serial.println("SUCCESS");
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}
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while (1) {};
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}
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/** \endlink */

‎libraries/Keyboard/examples/KeyboardMessage/KeyboardMessage.ino

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/*
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Keyboard Message test
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For STM32 based board with USB capabilities
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Sends a text string when a button is pressed.
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The circuit:
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- pushbutton attached from pin 4 to +3.3V
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- 10 kilohm resistor attached from pin 4 to ground
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created 24 Oct 2011
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modified 27 Mar 2012
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by Tom Igoe
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modified 11 Nov 2013
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by Scott Fitzgerald
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This example code is in the public domain.
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https://www.arduino.cc/en/Tutorial/BuiltInExamples/KeyboardMessage
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*/
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#include "Keyboard.h"
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#ifdef USER_BTN
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const int buttonPin = USER_BTN; // input pin for pushbutton
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#else
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const int buttonPin = 4; // input pin for pushbutton
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#endif
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int previousButtonState = HIGH; // for checking the state of a pushButton
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int counter = 0; // button push counter
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void setup() {
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// make the pushButton pin an input:
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pinMode(buttonPin, INPUT);
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// initialize control over the keyboard:
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Keyboard.begin();
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}
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void loop() {
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// read the pushbutton:
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int buttonState = digitalRead(buttonPin);
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// if the button state has changed,
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if ((buttonState != previousButtonState)
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// and it's currently pressed:
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&& (buttonState == HIGH)) {
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// increment the button counter
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counter++;
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// type out a message
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Keyboard.print("You pressed the button ");
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Keyboard.print(counter);
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Keyboard.println(" times.");
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}
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// save the current button state for comparison next time:
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previousButtonState = buttonState;
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}

‎libraries/Mouse/examples/ButtonMouseControl/ButtonMouseControl.ino

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/*
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ButtonMouseControl
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For STM32 based board with USB capabilities
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Controls the mouse from five pushbuttons.
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Hardware:
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- five pushbuttons attached to D2, D3, D4, D5, D6
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The mouse movement is always relative. This sketch reads four pushbuttons,
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and uses them to set the movement of the mouse.
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WARNING: When you use the Mouse.move() command, the Arduino takes over your
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mouse! Make sure you have control before you use the mouse commands.
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created 15 Mar 2012
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modified 27 Mar 2012
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by Tom Igoe
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This example code is in the public domain.
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https://www.arduino.cc/en/Tutorial/BuiltInExamples/ButtonMouseControl
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*/
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#include "Mouse.h"
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// set pin numbers for the five buttons:
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const int upButton = 2;
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const int downButton = 3;
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const int leftButton = 4;
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const int rightButton = 5;
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const int mouseButton = 6;
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int range = 5; // output range of X or Y movement; affects movement speed
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int responseDelay = 10; // response delay of the mouse, in ms
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void setup() {
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// initialize the buttons' inputs:
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pinMode(upButton, INPUT);
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pinMode(downButton, INPUT);
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pinMode(leftButton, INPUT);
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pinMode(rightButton, INPUT);
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pinMode(mouseButton, INPUT);
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// initialize mouse control:
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Mouse.begin();
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}
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void loop() {
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// read the buttons:
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int upState = digitalRead(upButton);
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int downState = digitalRead(downButton);
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int rightState = digitalRead(rightButton);
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int leftState = digitalRead(leftButton);
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int clickState = digitalRead(mouseButton);
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// calculate the movement distance based on the button states:
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int xDistance = (leftState - rightState) * range;
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int yDistance = (upState - downState) * range;
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// if X or Y is non-zero, move:
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if ((xDistance != 0) || (yDistance != 0)) {
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Mouse.move(xDistance, yDistance, 0);
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}
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// if the mouse button is pressed:
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if (clickState == HIGH) {
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// if the mouse is not pressed, press it:
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if (!Mouse.isPressed(MOUSE_LEFT)) {
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Mouse.press(MOUSE_LEFT);
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}
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}
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// else the mouse button is not pressed:
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else {
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// if the mouse is pressed, release it:
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if (Mouse.isPressed(MOUSE_LEFT)) {
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Mouse.release(MOUSE_LEFT);
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}
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}
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// a delay so the mouse doesn't move too fast:
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delay(responseDelay);
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}

‎libraries/SrcWrapper/examples/BareMinimum/BareMinimum.ino

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void setup() {
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// put your setup code here, to run once:
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}
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void loop() {
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// put your main code here, to run repeatedly:
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}

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