put-number
wayland/esp32-preferences/put-number
Store a number identifiable by Key in currently open namespace.
put-number
@/put-number
Store a number identifiable by Key in currently open namespace.
Prefs@/preferences
A preferences object.
Keystring
Key name. Limited to 15 chars.
Numnumber
Number to be stored.
UPDpulse
Update.
Donepulse
Pulse on write.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
auto prefs = getValue<input_Prefs>(ctx);
auto xStringKey = getValue<input_Key>(ctx);
float number = getValue<input_Num>(ctx);
int N=length(xStringKey);
if (N>15 || N<1) {
raiseError(ctx);
return;
}
N +=1;
char cStringKey[N];
for(int i=0;i<N;i++)
cStringKey[i]=0;
dump(xStringKey, cStringKey);
prefs -> putFloat(cStringKey, number);
emitValue<output_Done>(ctx, 1);
}
}