Created
February 23, 2020 06:56
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How to Convert Byte Array to Hexstring Arduino Platform
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| void setup() { | |
| byte example[] = {0x31, 0x32, 0x33, 0x34}; | |
| int length = 4; | |
| String result = ""; | |
| String hexstring = ""; | |
| for(int i = 0; i < length; i++) { | |
| if(example[i] < 0x10) { | |
| hexstring += '0'; | |
| } | |
| hexstring += String(example[i], HEX); | |
| } | |
| result = HexString2ASCIIString(hexstring); | |
| Serial.begin(9600); | |
| Serial.println(result); | |
| } | |
| void loop() { | |
| } | |
| String HexString2ASCIIString(String hexstring) { | |
| String temp = "", sub = "", result; | |
| char buf[3]; | |
| for(int i = 0; i < hexstring.length(); i += 2){ | |
| sub = hexstring.substring(i, i+2); | |
| sub.toCharArray(buf, 3); | |
| char b = (char)strtol(buf, 0, 16); | |
| if(b == '\0') | |
| break; | |
| temp += b; | |
| } | |
| return temp; | |
| } |
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veryyyy thank you!