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I tried using the example code in issue 5 (modified a bit to make it work), and the output was the following.
Error while reading! Status: false Data: 55 BitSize: 0 [ 55 ] Error while writing! Status: false Data: 55 BitSize: 0 Error while reading! Status: false Data: 55 BitSize: 0 [ 55 ] Error while writing! Status: false Data: 55 BitSize: 0 Error while reading! Status: false Data: 55 BitSize: 0 Block 6 [ 105, 116, 104, 117 ] Error while writing! Status: false Data: 55 BitSize: 0 Error while reading! Status: false Data: 55 BitSize: 0 [ 55 ] Error while reading! Status: false Data: 55 BitSize: 0 Block 7 [ 98, 46, 99, 111 ] Error while writing! Status: false Data: 55 BitSize: 0 Error while reading! Status: false Data: 55 BitSize: 0 [ 55 ] Error while reading! Status: false Data: 55 BitSize: 0 Block 8 [ 109, 254 ] Error while writing! Status: false Data: 55 BitSize: 0 Error while reading! Status: false Data: 55 BitSize: 0 [ 55 ] finished successfully!
This is the new code I wrote:
const MFRC522 = require("mfrc522-rpi"), SoftSPI = require("rpi-softspi"); let continueReading = true; const softSPI = new SoftSPI({ clock: 23, mosi: 19, miso: 21, client: 24 }), mfrc522 = new MFRC522(softSPI).setResetPin(22); const defaultUrl = "github.com"; let payload = process.argv[2] ? process.argv[2] : defaultUrl; while (continueReading) { //# reset card mfrc522.reset(); //# Scan for cards let response = mfrc522.findCard(); if (!response.status) { continue; } //# Get the UID of the card response = mfrc522.getUid(); if (!response.status) { console.log("UID Scan Error"); continue; } //# If we have the UID, continue const uid = response.data; // add 0xFE to end of message payload = payload + "þ"; // character to be inserted after NDEF header let firstChar = payload.slice(0, 1).charCodeAt(0); let stringArray = chunkSubstr(payload.slice(1), 4); // NDEF message headers let data = [0x03, 0x44, 0xD1, 0x01]; console.log(mfrc522.getDataForBlock(4)); mfrc522.writeDataToBlock(4, data); // 0x04 = https:// data = [0x40, 0x55, 0x04, firstChar]; console.log(mfrc522.getDataForBlock(5)); mfrc522.writeDataToBlock(5, data); const startBlock = 6; for (var i = startBlock; i < (startBlock + stringArray.length); i++){ // must read page before writing mfrc522.getDataForBlock(i); let binPayload = string2Bin(stringArray[i-startBlock]); console.log(`Block ${i}`); console.log(binPayload); mfrc522.writeDataToBlock(i, binPayload); console.log(mfrc522.getDataForBlock(i).splice(0, 4)); } continueReading = false; console.log("finished successfully!"); } function string2Bin(str) { var result = []; for (var i = 0; i < str.length; i++) { // result.push(str.charCodeAt(i).toString(10)); result.push(str.charCodeAt(i)); } return result; } function chunkSubstr(str, size) { var numChunks = Math.ceil(str.length / size), chunks = new Array(numChunks); for(var i = 0, o = 0; i < numChunks; ++i, o += size) { chunks[i] = str.substr(o, size); } return chunks; }
The text was updated successfully, but these errors were encountered:
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I tried using the example code in issue 5 (modified a bit to make it work), and the output was the following.
This is the new code I wrote:
The text was updated successfully, but these errors were encountered: