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Proposed changes to add format change functionality #37

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27 changes: 25 additions & 2 deletions example/TFMP_example.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -28,14 +28,18 @@ TFMPlus tfmP; // Create a TFMini Plus object

// The Software Serial library is an alternative for devices that
// have only one hardware serial port. Delete the comment slashes
// on lines 37 and 38 to invoke the library, and be sure to choose
// on lines 39 and 40 to invoke the library, and be sure to choose
// the correct RX and TX pins: pins 10 and 11 in this example. Then
// in the 'setup' section, change the name of the hardware 'Serial2'
// port to match the name of your software serial port, such as:
// 'mySerial.begin(115200); etc.
// Change value on line 41 to true to set the output format to
// milimetres.

//#include <SoftwareSerial.h>
//SoftwareSerial mySerial( 10, 11);
bool format_mm = false; // Default output format as centimetres (false)...
// for milimetres define as true

void setup()
{
Expand Down Expand Up @@ -76,6 +80,20 @@ void setup()
printf( "%2uHz.\r\n", FRAME_20);
}
else tfmP.printReply();
// - - Change format to mm - - - - - - - - - - - - -
if (format_mm == true)
if( tfmP.sendCommand( STANDARD_FORMAT_MM, 0)) // Set output distance format to Milimeters
{
printf( "Distance format changed to Milimeters \r\n");
}
// - - save settings - - - - - - - - - - - - - - - -
printf( "Saving Settings: ");
if( tfmP.sendCommand( SAVE_SETTINGS, 0)) // Saving settings in case format changed
// from the default cm to mm.
{
printf( "passed.\r\n");
}
else tfmP.printReply();
// - - - - - - - - - - - - - - - - - - - - - - - -

delay(500); // And wait for half a second.
Expand All @@ -93,7 +111,12 @@ void loop()

if( tfmP.getData( tfDist, tfFlux, tfTemp)) // Get data from the device.
{
printf( "Dist:%04icm ", tfDist); // display distance,
if(format_mm == true){
printf( "Dist:%05imm ", tfDist); // display distance in milimetres (extra digit added),
}
else{
printf( "Dist:%04icm ", tfDist); // display distance in centimetres,
}
printf( "Flux:%05i ", tfFlux); // display signal strength/quality,
printf( "Temp:%2i\°C", tfTemp); // display temperature,
printf( "\r\n"); // end-of-line.
Expand Down