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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;
- #ifndef MARLIN_EEPROM_SIZE
- #define MARLIN_EEPROM_SIZE size_t(E2END + 1)
- #endif
- NOMORE(addr, (size_t)(MARLIN_EEPROM_SIZE - 1));
- NOMORE(len, MARLIN_EEPROM_SIZE - 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_ECHOLN("NO EEPROM");
- #endif
- }
- else {
- while (len--) {
- // Read bytes from EEPROM
- #if ENABLED(EEPROM_SETTINGS)
- persistentStore.access_start();
- uint8_t val;
- while(len--) {
- int pos = 0;
- if (!persistentStore.read_data(pos, (uint8_t *)&val, sizeof(val))) {
- print_hex_byte(val);
- }
- }
- SERIAL_EOL();
- persistentStore.access_finish();
- #else
- SERIAL_ECHOLN("NO EEPROM");
- #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_ECHOLN("Disabling heaters and attempting to trigger Watchdog");
- SERIAL_ECHOLN("(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.
- DELAY_US(10000000);
- ENABLE_ISRS();
- SERIAL_ECHOLN("FAILURE: Watchdog did not trigger board reset.");
- }
- }
- }
-
- #endif
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