| Tip |
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This page presents the most basic programs that should first be tried out by every program when first getting their hands on a CrcDuino. |
Minimal program
The following details the code lines that should be minimally used in every program that uses CrcLib.
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#include <CrcLib.h>
using namespace Crc;
void setup()
{
CrcLib::Initialize();
}
void loop()
{
CrcLib::Update();
}
//Lines starting with 2 slashes won't be compiled; they are comments.
/*This is a way
to comment multiple lines of code */
|
...
This is how Arduino IDE loads the CrcLib when compiling the code, allowing the use use its functions. This will of course only work if the library as first been properly installed as detailed here.
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| Code Block | language | cpp
|---|
| Info |
using namespace Crc; |
...
Once upon a time, using namespace Crc was needed at the top of every program. Since it was only boilerplate, this requirement has been removed. You might still stumble on some relics of the past, and in that case, simply remove this line at the top of the file. |
...
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void setup()
{
//The code executed once at power-up
} |
...
This call must be made in order to periodically update CrcLib data, including the remote controller state.
Using the Arduino IDE serial monitor
The Arduino serial monitor is a very useful tool that every programmer should be able to use when debugging their CrcDuino program. It allows the the CrcDuino to print messages to a computer screen. It can be used, for example, to confirm that a sensor state is read correctly by the CrcDuino. It most be opened in Arduino IDE to be used.
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#include <CrcLib.h> using namespace Crc; void setup() { CrcLib::Initialize(); Serial.begin(96002000000); //Establishes a 2 9600Mbps baud rate connection with the monitor. } void loop() { CrcLib::Update(); //Prints to the Serial monitor the Analog Input Port #1 value Serial.println(CrcLib::GetAnalogInput(CRC_ANA_1)); //Prints the code execution time to the Serial monitor unsigned int deltaMicros = CrcLib::GetDeltaTimeMicros(); Serial.println(deltaMicros); } |
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