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UtilitechAS.amsreader-firmware/lib/AmsConfiguration/src/hexutils.cpp
2025-01-24 07:44:21 +01:00

64 lines
1.5 KiB
C++

/**
* @copyright Utilitech AS 2023
* License: Fair Source
*
*/
#include "hexutils.h"
String toHex(uint8_t* in) {
return toHex(in, sizeof(in)*2);
}
String toHex(uint8_t* in, uint16_t size) {
String hex;
for(int i = 0; i < size; i++) {
if(in[i] < 0x10) {
hex += '0';
}
hex += String(in[i], HEX);
}
hex.toUpperCase();
return hex;
}
void fromHex(uint8_t *out, String in, uint16_t size) {
for(int i = 0; i < size*2; i += 2) {
out[i/2] = strtol(in.substring(i, i+2).c_str(), 0, 16);
}
}
bool stripNonAscii(uint8_t* in, uint16_t size, bool extended) {
bool ret = false;
for(uint16_t i = 0; i < size; i++) {
if(in[i] == 0) { // Clear the rest with null-terminator
memset(in+i, 0, size-i);
break;
}
if(extended && (in[i] < 32 || in[i] == 127 || in[i] == 129 || in[i] == 141 || in[i] == 143 || in[i] == 144 || in[i] == 157 || in[i] == 160)) {
memset(in+i, ' ', 1);
ret = true;
} else if(!extended && (in[i] < 32 || in[i] > 126)) {
memset(in+i, ' ', 1);
ret = true;
}
}
memset(in+size-1, 0, 1); // Make sure the last character is null-terminator
return ret;
}
void debugPrint(uint8_t *buffer, uint16_t start, uint16_t length, Print* debugger) {
for (uint16_t i = start; i < start + length; i++) {
if (buffer[i] < 0x10)
debugger->print(F("0"));
debugger->print(buffer[i], HEX);
debugger->print(F(" "));
if ((i - start + 1) % 16 == 0)
debugger->println(F(""));
else if ((i - start + 1) % 4 == 0)
debugger->print(F(" "));
yield(); // Let other get some resources too
}
debugger->println(F(""));
}