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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "../inc/MarlinConfigPre.h"
#if NEED_HEX_PRINT
#include "hex_print.h"
#include "../core/serial.h"
#ifdef CPU_32_BIT
constexpr int byte_start = 4;
static char _hex[] = "0x00000000";
#else
constexpr int byte_start = 0;
static char _hex[] = "0x0000";
#endif
char* hex_byte(const uint8_t b) {
_hex[byte_start + 4] = hex_nybble(b >> 4);
_hex[byte_start + 5] = hex_nybble(b);
return &_hex[byte_start + 4];
}
inline void _hex_word(const uint16_t w) {
_hex[byte_start + 2] = hex_nybble(w >> 12);
_hex[byte_start + 3] = hex_nybble(w >> 8);
_hex[byte_start + 4] = hex_nybble(w >> 4);
_hex[byte_start + 5] = hex_nybble(w);
}
char* hex_word(const uint16_t w) {
_hex_word(w);
return &_hex[byte_start + 2];
}
#ifdef CPU_32_BIT
char* hex_long(const uintptr_t l) {
_hex[2] = hex_nybble(l >> 28);
_hex[3] = hex_nybble(l >> 24);
_hex[4] = hex_nybble(l >> 20);
_hex[5] = hex_nybble(l >> 16);
_hex_word((uint16_t)(l & 0xFFFF));
return &_hex[2];
}
#endif
char* hex_address(const void * const w) {
#ifdef CPU_32_BIT
(void)hex_long((uintptr_t)w);
#else
(void)hex_word((uintptr_t)w);
#endif
return _hex;
}
void print_hex_nybble(const uint8_t n) { SERIAL_CHAR(hex_nybble(n)); }
void print_hex_byte(const uint8_t b) { SERIAL_ECHO(hex_byte(b)); }
void print_hex_word(const uint16_t w) { SERIAL_ECHO(hex_word(w)); }
void print_hex_address(const void * const w) { SERIAL_ECHO(hex_address(w)); }
void print_hex_long(const uint32_t w, const char delimiter) {
SERIAL_ECHOPGM("0x");
for (int B = 24; B >= 8; B -= 8){
print_hex_byte(w >> B);
SERIAL_CHAR(delimiter);
}
print_hex_byte(w);
}
#endif // NEED_HEX_PRINT
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