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@@ -1,10 +1,9 @@
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/**
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* Marlin 3D Printer Firmware
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- *
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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- * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
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- * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
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- * Copyright (c) 2016 Victor Perez victor_pv@hotmail.com
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+ *
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+ * Based on Sprinter and grbl.
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+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -20,12 +19,19 @@
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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+
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+/**
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+ * Implementation of EEPROM settings in SD Card
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+ */
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+
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#ifdef TARGET_LPC1768
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(SDCARD_EEPROM_EMULATION)
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+//#define DEBUG_SD_EEPROM_EMULATION
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+
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#include "../shared/eeprom_api.h"
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#include <chanfs/diskio.h>
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@@ -38,9 +44,11 @@ FATFS fat_fs;
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FIL eeprom_file;
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bool eeprom_file_open = false;
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+#define EEPROM_FILENAME "eeprom.dat"
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#ifndef MARLIN_EEPROM_SIZE
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#define MARLIN_EEPROM_SIZE size_t(0x1000) // 4KiB of Emulated EEPROM
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#endif
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+
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size_t PersistentStore::capacity() { return MARLIN_EEPROM_SIZE; }
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bool PersistentStore::access_start() {
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@@ -50,7 +58,7 @@ bool PersistentStore::access_start() {
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MSC_Release_Lock();
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return false;
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}
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- FRESULT res = f_open(&eeprom_file, "eeprom.dat", FA_OPEN_ALWAYS | FA_WRITE | FA_READ);
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+ FRESULT res = f_open(&eeprom_file, EEPROM_FILENAME, FA_OPEN_ALWAYS | FA_WRITE | FA_READ);
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if (res) MSC_Release_Lock();
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if (res == FR_OK) {
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@@ -81,18 +89,20 @@ bool PersistentStore::access_finish() {
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// This extra chit-chat goes away soon, but is helpful for now
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// to see errors that are happening in read_data / write_data
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static void debug_rw(const bool write, int &pos, const uint8_t *value, const size_t size, const FRESULT s, const size_t total=0) {
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- PGM_P const rw_str = write ? PSTR("write") : PSTR("read");
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- SERIAL_CHAR(' ');
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- SERIAL_ECHOPGM_P(rw_str);
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- SERIAL_ECHOLNPGM("_data(", pos, ",", value, ",", size, ", ...)");
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- if (total) {
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- SERIAL_ECHOPGM(" f_");
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+ #if ENABLED(DEBUG_SD_EEPROM_EMULATION)
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+ PGM_P const rw_str = write ? PSTR("write") : PSTR("read");
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+ SERIAL_CHAR(' ');
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SERIAL_ECHOPGM_P(rw_str);
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- SERIAL_ECHOPGM("()=", s, "\n size=", size, "\n bytes_");
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- SERIAL_ECHOLNPGM_P(write ? PSTR("written=") : PSTR("read="), total);
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- }
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- else
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- SERIAL_ECHOLNPGM(" f_lseek()=", s);
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+ SERIAL_ECHOLNPGM("_data(", pos, ",", *value, ",", size, ", ...)");
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+ if (total) {
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+ SERIAL_ECHOPGM(" f_");
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+ SERIAL_ECHOPGM_P(rw_str);
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+ SERIAL_ECHOPGM("()=", s, "\n size=", size, "\n bytes_");
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+ SERIAL_ECHOLNPGM_P(write ? PSTR("written=") : PSTR("read="), total);
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+ }
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+ else
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+ SERIAL_ECHOLNPGM(" f_lseek()=", s);
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+ #endif
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}
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// File function return codes for type FRESULT. This goes away soon, but
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