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print device ID in hex correctly in web

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proddy
2019-10-03 14:32:46 +02:00
parent a94b50ab12
commit 97ef705a88
2 changed files with 17 additions and 10 deletions
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13
src/ems-esp.cpp
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@@ -1850,9 +1850,16 @@ void WebCallback(JsonObject root) {
item["version"] = (it)->version;
item["productid"] = (it)->product_id;
char s[10];
itoa((it)->device_id, s, 16); // convert to hex
item["deviceid"] = s;
char buffer[10];
// copy of my _hextoa() function from ems.cpp
// to convert device_id into a 0xXX hex value string
char * p = buffer;
byte nib1 = ((it)->device_id >> 4) & 0x0F;
byte nib2 = ((it)->device_id >> 0) & 0x0F;
*p++ = nib1 < 0xA ? '0' + nib1 : 'A' + nib1 - 0xA;
*p++ = nib2 < 0xA ? '0' + nib2 : 'A' + nib2 - 0xA;
*p = '\0'; // null terminate just in case
item["deviceid"] = buffer;
}
// send over Thermostat data