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JsonVariant automatically promotes to JsonObject or JsonArray on write

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This commit is contained in:
Benoit Blanchon
2019-01-29 14:09:09 +01:00
parent 5aea1363cc
commit 6f55d1e58f
53 changed files with 1197 additions and 541 deletions
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17
examples/JsonUdpBeacon/JsonUdpBeacon.ino
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@@ -5,10 +5,10 @@
// This example shows how to send a JSON document to a UDP socket.
// At regular interval, it sends a UDP packet that contains the status of
// analog and digital pins.
// The JSON document looks like the following:
// It looks like that:
// {
// "analog": [ 0, 1, 2, 3, 4, 5 ],
// "digital": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 ]
// "analog": [0, 76, 123, 158, 192, 205],
// "digital": [1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0]
// }
//
// If you want to test this program, you need to be able to receive the UDP
@@ -43,15 +43,12 @@ void setup() {
}
void loop() {
// Allocate the JSON document
// Use arduinojson.org/assistant to compute the capacity.
// Allocate a temporary JsonDocument
// Use arduinojson.org/v6/assistant to compute the capacity.
StaticJsonDocument<500> doc;
// Make our document represent an object
JsonObject root = doc.to<JsonObject>();
// Create the "analog" array
JsonArray analogValues = root.createNestedArray("analog");
JsonArray analogValues = doc.createNestedArray("analog");
for (int pin = 0; pin < 6; pin++) {
// Read the analog input
int value = analogRead(pin);
@@ -61,7 +58,7 @@ void loop() {
}
// Create the "digital" array
JsonArray digitalValues = root.createNestedArray("digital");
JsonArray digitalValues = doc.createNestedArray("digital");
for (int pin = 0; pin < 14; pin++) {
// Read the digital input
int value = digitalRead(pin);