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Update 22-TLV8_Characteristics.ino

This commit is contained in:
Gregg 2024-06-30 12:19:58 -05:00
parent e6b57b6723
commit 8f133585f9
1 changed files with 6 additions and 9 deletions
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15
examples/22-TLV8_Characteristics/22-TLV8_Characteristics.ino
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@ -66,16 +66,13 @@ struct HomeSpanTV : Service::Television {
SpanCharacteristic *active = new Characteristic::Active(0);
SpanCharacteristic *activeID = new Characteristic::ActiveIdentifier(10);
SpanCharacteristic *displayOrder = new Characteristic::DisplayOrder(); // <-- This is the new TLV8 Characteristic. Note the constructor has no argument
SpanCharacteristic *displayOrder; // Create a pointer to use for the new TLV8 DisplayOrder Characteristic, which will be instantiated below once we build the TLV8 record
HomeSpanTV() : Service::Television() {
// Unlike the constructors for numerical and string-based Characteristics (such as ActiveIdentifier and ConfiguredName),
// we cannot set the initial value of TLV8 Characteristics during construction, but must instead first instantiate the
// Characteristic (as we did above), then build a TLV8 object with the information required by the TLV8 Characteristic, and
// then use setTLV() to load the completed TLV8 object into the Characteristic's value.
// The (undocumented by Apple!) TLV8 specifications for the DisplayOrder Characteristic are as follows:
// Before we instantiate displayOrder, we need to build a TLV8 object with the information required
// by the DisplayOrder Characteristic. The (undocumented by Apple!) TLV8 specifications for the
// DisplayOrder Characteristic are as follows:
// TAG NAME FORMAT DESCRIPTION
// ---- ------------- ------ --------------------------------------------
@ -108,9 +105,9 @@ struct HomeSpanTV : Service::Television {
// in the following order: 10, 20, 50, 30, 40. These IDs must of course match the IDs you choose
// for your input sources when you create them at the end of this sketch in setup()
// The final step is to load this TLV8 object into the DisplayOrder Characteristic
// Now we can instantiate displayOrder using the TLV8 object created above as its initial value
displayOrder->setTLV(orderTLV); // set the "value" of DisplayOrder to be the orderTLV object we just created
displayOrder = new Characteristic::DisplayOrder(orderTLV); // set the "value" of DisplayOrder to be the orderTLV object we just created
// That's it - you've created your first TLV8 Characteristic!
}