x 過去ログを見ょ!!!
x 3.1.1
x 「シリアルモニタ」は、なんどか開き直す(windows系)
結果
プログラム
//HEXBuilder_esp32_s3_2
#include <HEXBuilder.h>
void setup() {
//シリアルの初期化 esp32-s3 usb-serial
Serial.begin(9600);
Serial.println();
//シリアルの待ちが0.5*9
for (int i = 0; i < 9; i++) {
delay(500); //接続待ち
Serial.print('.');
} //for
Serial.println();
Serial.println("\n\n\nStart.");
const unsigned char helloBytes[] = "Hello World"; //入力
char buff1[256]; //一時領域
size_t len1 = HEXBuilder::bytes2hex(buff1, sizeof(buff1), helloBytes, sizeof(helloBytes));
Serial.printf("IN: <%s\\0>\nOUT <%s>\n", helloBytes, buff1); //表示
Serial.println();
// Convert a HEX string like 6c6c6f20576f726c64 to a binary buffer
const char *hexin = "48656c6c6f20576f726c6400"; // As the string above is \0 terminated too //入力
unsigned char buff2[256]; //一時領域
size_t len2 = HEXBuilder::hex2bytes(buff2, sizeof(buff2), hexin);
// Safe to print this binary buffer -- as we've included a \0 in the hex sequence.
Serial.printf("IN: <%s>\nOUT <%s\\0>\n", hexin, buff2); //表示
Serial.println("Done.");
}
void loop() {}
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おまけ
#include <HEXBuilder.h>
void setup() {
/*
Serial.begin(115200);
*/
//シリアルの初期化 esp32-s3 usb-serial
Serial.begin(9600);
Serial.println();
//シリアルの待ちが0.5*9
for (int i = 0; i < 9; i++) {
delay(500); //接続待ち
Serial.print('.');
} //for
Serial.println();
Serial.println("\n\n\nStart.");
// Convert a HEX string like 6c6c6f20576f726c64 to a binary buffer
{
const char *out = "Hello World";
const char *hexin = "48656c6c6f20576f726c6400"; // As the string above is \0 terminated too
unsigned char buff[256];
size_t len = HEXBuilder::hex2bytes(buff, sizeof(buff), hexin);
if (len != 1 + strlen(out)) {
Serial.println("Odd - length 1 is wrong");
}
if (memcmp(buff, out, len) != 0) {
Serial.println("Odd - decode 1 went wrong");
}
// Safe to print this binary buffer -- as we've included a \0 in the hex sequence.
Serial.printf("IN: <%s>\nOUT <%s\\0>\n", hexin, buff);
};
{
String helloHEX = "48656c6c6f20576f726c64";
const char hello[] = "Hello World";
unsigned char buff[256];
size_t len = HEXBuilder::hex2bytes(buff, sizeof(buff), helloHEX);
if (len != strlen(hello)) {
Serial.println("Odd - length 2 is wrong");
}
if (strcmp((char *)buff, hello) != 0) {
Serial.println("Odd - decode 2 went wrong");
}
}
{
const unsigned char helloBytes[] = {0x48, 0x56, 0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64};
String helloHEX = "48566c6c6f20576f726c64";
String out = HEXBuilder::bytes2hex(helloBytes, sizeof(helloBytes));
if (out.length() != 2 * sizeof(helloBytes)) {
Serial.println("Odd - length 3 is wrong");
}
// we need to ignore case - as a hex string can be spelled in uppercase and lowercase
if (!out.equalsIgnoreCase(helloHEX)) {
Serial.println("Odd - decode 3 went wrong");
}
}
{
const unsigned char helloBytes[] = {0x6c, 0x6c, 0x6f, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64};
const char helloHex[] = "6c6c6f20576f726c64";
char buff[256];
size_t len = HEXBuilder::bytes2hex(buff, sizeof(buff), helloBytes, sizeof(helloBytes));
if (len != 1 + 2 * sizeof(helloBytes)) {
Serial.println("Odd - length 4 is wrong");
}
// we need to ignore case - as a hex string can be spelled in uppercase and lowercase
if (strcasecmp(buff, helloHex)) {
Serial.println("Odd - decode 4 went wrong");
}
}
Serial.println("Done.");
}
void loop() {}