mirror of
https://github.com/luc-github/ESP3D.git
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309 lines
8.3 KiB
C++
309 lines
8.3 KiB
C++
/*
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sd_native_esp32.cpp - ESP3D sd support class
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Copyright (c) 2014 Luc Lebosse. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "../../../include/esp3d_config.h"
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#if defined (ARDUINO_ARCH_ESP32) && defined(SD_DEVICE)
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#if (SD_DEVICE == ESP_SD_NATIVE)
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#include "../esp_sd.h"
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#include "../../../core/genLinkedList.h"
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#include "../../../core/settings_esp3d.h"
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#include "FS.h"
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#include "SD.h"
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//base frequency
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//or use (1000000 * ESP.getCpuFreqMHz()) TBC
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#define ESP_SPI_FREQ 4000000
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extern File tSDFile_handle[ESP_MAX_SD_OPENHANDLE];
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uint8_t ESP_SD::getState(bool refresh)
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{
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#if defined(ESP_SD_DETECT_PIN) && ESP_SD_DETECT_PIN != -1
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//no need to go further if SD detect is not correct
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if (!((digitalRead (ESP_SD_DETECT_PIN) == ESP_SD_DETECT_VALUE) ? true : false)) {
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_state = ESP_SDCARD_NOT_PRESENT;
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return _state;
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}
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#endif //ESP_SD_DETECT_PIN
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//if busy doing something return state
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if (!((_state == ESP_SDCARD_NOT_PRESENT) || _state == ESP_SDCARD_IDLE)) {
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return _state;
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}
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if (!refresh) {
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return _state; //to avoid refresh=true + busy to reset SD and waste time
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}
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//SD is idle or not detected, let see if still the case
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SD.end();
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_state = ESP_SDCARD_NOT_PRESENT;
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//using default value for speed ? should be parameter
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//refresh content if card was removed
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if (SD.begin((ESP_SD_CS_PIN == -1)?SS:ESP_SD_CS_PIN, SPI, ESP_SPI_FREQ / _spi_speed_divider)) {
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if ( SD.cardSize() > 0 ) {
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_state = ESP_SDCARD_IDLE;
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}
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}
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return _state;
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}
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bool ESP_SD::begin()
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{
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#if (ESP_SD_CS_PIN != -1) || (ESP_SD_MISO_PIN != -1) || (ESP_SD_MOSI_PIN != -1) || (ESP_SD_SCK_PIN != -1)
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SPI.begin(ESP_SD_SCK_PIN, ESP_SD_MISO_PIN, ESP_SD_MOSI_PIN, ESP_SD_CS_PIN);
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#endif
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_started = true;
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_state = ESP_SDCARD_NOT_PRESENT;
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_spi_speed_divider = Settings_ESP3D::read_byte(ESP_SD_SPEED_DIV);
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//sanity check
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if (_spi_speed_divider <= 0) {
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_spi_speed_divider = 1;
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}
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return _started;
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}
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void ESP_SD::end()
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{
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SD.end();
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_state = ESP_SDCARD_NOT_PRESENT;
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_started = false;
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}
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uint64_t ESP_SD::totalBytes()
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{
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return SD.totalBytes();
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}
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uint64_t ESP_SD::usedBytes()
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{
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return SD.usedBytes();
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}
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uint64_t ESP_SD::freeBytes()
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{
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return (SD.totalBytes() - SD.usedBytes());
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};
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bool ESP_SD::format()
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{
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//not available yet
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return false;
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}
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ESP_SDFile ESP_SD::open(const char* path, uint8_t mode)
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{
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//do some check
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if(((strcmp(path,"/") == 0) && ((mode == ESP_SD_FILE_WRITE) || (mode == ESP_SD_FILE_APPEND))) || (strlen(path) == 0)) {
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return ESP_SDFile();
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}
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// path must start by '/'
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if (path[0] != '/') {
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return ESP_SDFile();
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}
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if (mode != ESP_SD_FILE_READ) {
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//check container exists
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String p = path;
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p.remove(p.lastIndexOf('/') +1);
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if (!exists(p.c_str())) {
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log_esp3d("Error opening: %s", path);
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return ESP_SDFile();
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}
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}
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File tmp = SD.open(path, (mode == ESP_SD_FILE_READ)?FILE_READ:(mode == ESP_SD_FILE_WRITE)?FILE_WRITE:FILE_APPEND);
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ESP_SDFile esptmp(&tmp, tmp.isDirectory(),(mode == ESP_SD_FILE_READ)?false:true, path);
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return esptmp;
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}
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bool ESP_SD::exists(const char* path)
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{
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bool res = false;
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//root should always be there if started
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if (strcmp(path, "/") == 0) {
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return _started;
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}
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res = SD.exists(path);
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if (!res) {
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ESP_SDFile root = ESP_SD::open(path, ESP_SD_FILE_READ);
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if (root) {
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res = root.isDirectory();
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}
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}
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return res;
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}
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bool ESP_SD::remove(const char *path)
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{
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return SD.remove(path);
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}
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bool ESP_SD::mkdir(const char *path)
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{
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return SD.mkdir(path);
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}
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bool ESP_SD::rmdir(const char *path)
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{
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if (!exists(path)) {
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return false;
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}
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bool res = true;
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GenLinkedList<String > pathlist;
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String p = path;
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pathlist.push(p);
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while (pathlist.count() > 0) {
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File dir = SD.open(pathlist.getLast().c_str());
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File f = dir.openNextFile();
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bool candelete = true;
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while (f) {
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if (f.isDirectory()) {
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candelete = false;
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String newdir = f.name();
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pathlist.push(newdir);
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f.close();
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f = File();
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} else {
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SD.remove(f.name());
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f.close();
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f = dir.openNextFile();
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}
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}
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if (candelete) {
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if (pathlist.getLast() !="/") {
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res = SD.rmdir(pathlist.getLast().c_str());
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}
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pathlist.pop();
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}
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dir.close();
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}
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p = String();
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log_esp3d("count %d", pathlist.count());
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return res;
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}
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void ESP_SD::closeAll()
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{
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for (uint8_t i = 0; i < ESP_MAX_SD_OPENHANDLE; i++) {
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tSDFile_handle[i].close();
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tSDFile_handle[i] = File();
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}
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}
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ESP_SDFile::ESP_SDFile(void* handle, bool isdir, bool iswritemode, const char * path)
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{
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_isdir = isdir;
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_dirlist = "";
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_isfakedir = false;
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_index = -1;
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_filename = "";
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_name = "";
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#ifdef FILESYSTEM_TIMESTAMP_FEATURE
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memset (&_lastwrite,0,sizeof(time_t));
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#endif //FILESYSTEM_TIMESTAMP_FEATURE
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_iswritemode = iswritemode;
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_size = 0;
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if (!handle) {
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return ;
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}
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bool set =false;
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for (uint8_t i=0; (i < ESP_MAX_SD_OPENHANDLE) && !set; i++) {
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if (!tSDFile_handle[i]) {
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tSDFile_handle[i] = *((File*)handle);
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//filename
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_name = tSDFile_handle[i].name();
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_filename = path;
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if (_name.endsWith("/")) {
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_name.remove( _name.length() - 1,1);
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_isfakedir = true;
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_isdir = true;
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}
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if (_name[0] == '/') {
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_name.remove( 0, 1);
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}
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int pos = _name.lastIndexOf('/');
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if (pos != -1) {
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_name.remove( 0, pos+1);
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}
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//size
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_size = tSDFile_handle[i].size();
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//time
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#ifdef FILESYSTEM_TIMESTAMP_FEATURE
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_lastwrite = tSDFile_handle[i].getLastWrite();
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#endif //FILESYSTEM_TIMESTAMP_FEATURE
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_index = i;
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//log_esp3d("Opening File at index %d",_index);
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set = true;
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}
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}
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}
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void ESP_SDFile::close()
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{
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if (_index != -1) {
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//log_esp3d("Closing File at index %d", _index);
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tSDFile_handle[_index].close();
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//reopen if mode = write
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//udate size + date
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if (_iswritemode && !_isdir) {
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File ftmp = SD.open(_filename.c_str());
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if (ftmp) {
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_size = ftmp.size();
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#ifdef FILESYSTEM_TIMESTAMP_FEATURE
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_lastwrite = ftmp.getLastWrite();
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#endif //FILESYSTEM_TIMESTAMP_FEATURE
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ftmp.close();
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}
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}
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tSDFile_handle[_index] = File();
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//log_esp3d("Closing File at index %d",_index);
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_index = -1;
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}
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}
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ESP_SDFile ESP_SDFile::openNextFile()
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{
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if ((_index == -1) || !_isdir) {
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log_esp3d("openNextFile failed");
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return ESP_SDFile();
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}
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File tmp = tSDFile_handle[_index].openNextFile();
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if (tmp) {
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log_esp3d("tmp name :%s %s %s", tmp.name(), (tmp.isDirectory())?"isDir":"isFile", _filename.c_str());
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String s = tmp.name() ;
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//if (s!="/")s+="/";
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//s += tmp.name();
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ESP_SDFile esptmp(&tmp, tmp.isDirectory(),false, s.c_str());
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esptmp.close();
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return esptmp;
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}
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return ESP_SDFile();
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}
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//TODO need to find reliable way
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const char* ESP_SDFile::shortname() const
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{
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return _name.c_str();
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}
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const char * ESP_SD::FilesystemName()
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{
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return "SD native";
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}
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#endif //SD_DEVICE == ESP_SD_NATIVE
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#endif //ARCH_ESP32 && SD_DEVICE
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