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Merge pull request #4842 from andrethomas/patch-1 

PN532: Fix hex formatting to 2 char len per byte
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Theo Arends 2019-01-06 15:51:55 +01:00 committed by GitHub
parent e9c687cf09 64ba6fcf8d
commit 55f700cd2f
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1 changed files with 1 additions and 1 deletions
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2
sonoff/xsns_40_pn532_i2c.ino
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@ -289,7 +289,7 @@ void PN532_ScanForTag(void)
char uids[15];
sprintf(uids,"");
for (uint8_t i = 0;i < uid_len;i++) {
sprintf(uids,"%s%X",uids,uid[i]);
sprintf(uids,"%s%02X",uids,uid[i]);
}
snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("{\"" D_JSON_TIME "\":\"%s\""), GetDateAndTime(DT_LOCAL).c_str());
snprintf_P(mqtt_data, sizeof(mqtt_data), PSTR("%s,\"PN532\":{\"UID\":\"%s\"}}"), mqtt_data, uids);