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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 ENABLED(MARLIN_DEV_MODE)
#include "gcode.h"
#include "../module/settings.h"
#include "../module/temperature.h"
#include "../libs/hex_print.h"
#include "../HAL/shared/eeprom_if.h"
#include "../HAL/shared/Delay.h"
/**
* Dn: G-code for development and testing
*
* See https://reprap.org/wiki/G-code#D:_Debug_codes
*
* Put whatever else you need here to test ongoing development.
*/
void GcodeSuite::D(const int16_t dcode) {
switch (dcode) {
case -1:
for (;;); // forever
case 0:
HAL_reboot();
break;
case 1: {
// Zero or pattern-fill the EEPROM data
#if ENABLED(EEPROM_SETTINGS)
persistentStore.access_start();
size_t total = persistentStore.capacity();
int pos = 0;
const uint8_t value = 0x0;
while (total--) persistentStore.write_data(pos, &value, 1);
persistentStore.access_finish();
#else
settings.reset();
settings.save();
#endif
HAL_reboot();
} break;
case 2: { // D2 Read / Write SRAM
#define SRAM_SIZE 8192
uint8_t *pointer = parser.hex_adr_val('A');
uint16_t len = parser.ushortval('C', 1);
uintptr_t addr = (uintptr_t)pointer;
NOMORE(addr, size_t(SRAM_SIZE - 1));
NOMORE(len, SRAM_SIZE - addr);
if (parser.seenval('X')) {
// Write the hex bytes after the X
uint16_t val = parser.hex_val('X');
while (len--) {
*pointer = val;
pointer++;
}
}
else {
while (len--) print_hex_byte(*(pointer++));
SERIAL_EOL();
}
} break;
#if ENABLED(EEPROM_SETTINGS)
case 3: { // D3 Read / Write EEPROM
uint8_t *pointer = parser.hex_adr_val('A');
uint16_t len = parser.ushortval('C', 1);
uintptr_t addr = (uintptr_t)pointer;
NOMORE(addr, size_t(persistentStore.capacity() - 1));
NOMORE(len, persistentStore.capacity() - addr);
if (parser.seenval('X')) {
uint16_t val = parser.hex_val('X');
#if ENABLED(EEPROM_SETTINGS)
persistentStore.access_start();
while (len--) {
int pos = 0;
persistentStore.write_data(pos, (uint8_t *)&val, sizeof(val));
}
SERIAL_EOL();
persistentStore.access_finish();
#else
SERIAL_ECHOLNPGM("NO EEPROM");
#endif
}
else {
// Read bytes from EEPROM
#if ENABLED(EEPROM_SETTINGS)
persistentStore.access_start();
int pos = 0;
uint8_t val;
while (len--) if (!persistentStore.read_data(pos, &val, 1)) print_hex_byte(val);
SERIAL_EOL();
persistentStore.access_finish();
#else
SERIAL_ECHOLNPGM("NO EEPROM");
len = 0;
#endif
SERIAL_EOL();
}
} break;
#endif
case 4: { // D4 Read / Write PIN
// const uint8_t pin = parser.byteval('P');
// const bool is_out = parser.boolval('F'),
// val = parser.byteval('V', LOW);
if (parser.seenval('X')) {
// TODO: Write the hex bytes after the X
//while (len--) {
//}
}
else {
// while (len--) {
// TODO: Read bytes from EEPROM
// print_hex_byte(eeprom_read_byte(*(adr++));
// }
SERIAL_EOL();
}
} break;
case 5: { // D4 Read / Write onboard Flash
#define FLASH_SIZE 1024
uint8_t *pointer = parser.hex_adr_val('A');
uint16_t len = parser.ushortval('C', 1);
uintptr_t addr = (uintptr_t)pointer;
NOMORE(addr, size_t(FLASH_SIZE - 1));
NOMORE(len, FLASH_SIZE - addr);
if (parser.seenval('X')) {
// TODO: Write the hex bytes after the X
//while (len--) {
//}
}
else {
// while (len--) {
// TODO: Read bytes from EEPROM
// print_hex_byte(eeprom_read_byte(adr++));
// }
SERIAL_EOL();
}
} break;
case 100: { // D100 Disable heaters and attempt a hard hang (Watchdog Test)
SERIAL_ECHOLNPGM("Disabling heaters and attempting to trigger Watchdog");
SERIAL_ECHOLNPGM("(USE_WATCHDOG " TERN(USE_WATCHDOG, "ENABLED", "DISABLED") ")");
thermalManager.disable_all_heaters();
delay(1000); // Allow time to print
DISABLE_ISRS();
// Use a low-level delay that does not rely on interrupts to function
// Do not spin forever, to avoid thermal risks if heaters are enabled and
// watchdog does not work.
for (int i = 10000; i--;) DELAY_US(1000UL);
ENABLE_ISRS();
SERIAL_ECHOLNPGM("FAILURE: Watchdog did not trigger board reset.");
}
}
}
#endif
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