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Cardreader read/write open methods

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This commit is contained in:
Scott Lahteine
2019-12-12 18:46:49 -06:00
parent 98382fcea5
commit f3d64b7115
6 changed files with 86 additions and 60 deletions
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128
Marlin/src/sd/cardreader.cpp
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@@ -418,7 +418,7 @@ void CardReader::stopSDPrint(
void CardReader::openLogFile(char * const path) {
flag.logging = true;
openFile(path, false);
openFileWrite(path);
}
//
@@ -444,16 +444,42 @@ void CardReader::getAbsFilename(char *dst) {
*dst = '\0';
}
//
// Open a file by DOS path - for read or write
//
void CardReader::openFile(char * const path, const bool read, const bool subcall/*=false*/) {
void openFailed(const char * const fname) {
SERIAL_ECHOLNPAIR(MSG_SD_OPEN_FILE_FAIL, fname, ".");
}
void announceOpen(const uint8_t doing, const char * const path) {
if (doing) {
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Now ");
serialprintPGM(doing == 1 ? PSTR("doing") : PSTR("fresh"));
SERIAL_ECHOLNPAIR(" file: ", path);
}
}
//
// Open a file by DOS path for read
// The 'subcall_type' flag indicates...
// - 0 : Standard open from host or user interface.
// - 1 : (file open) Opening a new sub-procedure.
// - 1 : (no file open) Opening a macro (M98).
// - 2 : Resuming from a sub-procedure
//
void CardReader::openFileRead(char * const path, const uint8_t subcall_type/*=0*/) {
if (!isMounted()) return;
uint8_t doing = 0;
if (isFileOpen()) { // Replacing current file or doing a subroutine
if (subcall) {
switch (subcall_type) {
case 0: // Starting a new print. "Now fresh file: ..."
announceOpen(2, path);
file_subcall_ctr = 0;
break;
case 1: // Starting a sub-procedure
// With no file is open it's a simple macro. "Now doing file: ..."
if (!isFileOpen()) { announceOpen(1, path); break; }
// Too deep? The firmware has to bail.
if (file_subcall_ctr > SD_PROCEDURE_DEPTH - 1) {
SERIAL_ERROR_MSG("trying to call sub-gcode files with too many levels. MAX level is:" STRINGIFY(SD_PROCEDURE_DEPTH));
kill();
@@ -464,25 +490,15 @@ void CardReader::openFile(char * const path, const bool read, const bool subcall
getAbsFilename(proc_filenames[file_subcall_ctr]);
filespos[file_subcall_ctr] = sdpos;
// For sub-procedures say 'SUBROUTINE CALL target: "..." parent: "..." pos12345'
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR("SUBROUTINE CALL target:\"", path, "\" parent:\"", proc_filenames[file_subcall_ctr], "\" pos", sdpos);
file_subcall_ctr++;
}
else
doing = 1;
}
else if (subcall) // Returning from a subcall?
SERIAL_ECHO_MSG("END SUBROUTINE");
else { // Opening fresh file
doing = 2;
file_subcall_ctr = 0; // Reset procedure depth in case user cancels print while in procedure
}
break;
if (doing) {
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Now ");
serialprintPGM(doing == 1 ? PSTR("doing") : PSTR("fresh"));
SERIAL_ECHOLNPAIR(" file: ", path);
case 2: // Resuming previous file after sub-procedure
SERIAL_ECHO_MSG("END SUBROUTINE");
break;
}
stopSDPrint();
@@ -491,35 +507,45 @@ void CardReader::openFile(char * const path, const bool read, const bool subcall
const char * const fname = diveToFile(curDir, path);
if (!fname) return;
if (read) {
if (file.open(curDir, fname, O_READ)) {
filesize = file.fileSize();
sdpos = 0;
SERIAL_ECHOLNPAIR(MSG_SD_FILE_OPENED, fname, MSG_SD_SIZE, filesize);
SERIAL_ECHOLNPGM(MSG_SD_FILE_SELECTED);
if (file.open(curDir, fname, O_READ)) {
filesize = file.fileSize();
sdpos = 0;
SERIAL_ECHOLNPAIR(MSG_SD_FILE_OPENED, fname, MSG_SD_SIZE, filesize);
SERIAL_ECHOLNPGM(MSG_SD_FILE_SELECTED);
selectFileByName(fname);
ui.set_status(longFilename[0] ? longFilename : fname);
//if (longFilename[0]) {
// SERIAL_ECHOPAIR(MSG_SD_FILE_LONG_NAME, longFilename);
//}
}
else
SERIAL_ECHOLNPAIR(MSG_SD_OPEN_FILE_FAIL, fname, ".");
selectFileByName(fname);
ui.set_status(longFilename[0] ? longFilename : fname);
}
else { //write
if (!file.open(curDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC))
SERIAL_ECHOLNPAIR(MSG_SD_OPEN_FILE_FAIL, fname, ".");
else {
flag.saving = true;
selectFileByName(fname);
#if ENABLED(EMERGENCY_PARSER)
emergency_parser.disable();
#endif
SERIAL_ECHOLNPAIR(MSG_SD_WRITE_TO_FILE, fname);
ui.set_status(fname);
}
else
openFailed(fname);
}
//
// Open a file by DOS path for write
//
void CardReader::openFileWrite(char * const path) {
if (!isMounted()) return;
announceOpen(2, path);
file_subcall_ctr = 0;
stopSDPrint();
SdFile *curDir;
const char * const fname = diveToFile(curDir, path);
if (!fname) return;
if (file.open(curDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC)) {
flag.saving = true;
selectFileByName(fname);
#if ENABLED(EMERGENCY_PARSER)
emergency_parser.disable();
#endif
SERIAL_ECHOLNPAIR(MSG_SD_WRITE_TO_FILE, fname);
ui.set_status(fname);
}
else
openFailed(fname);
}
//
@@ -1035,9 +1061,9 @@ uint16_t CardReader::get_num_Files() {
void CardReader::printingHasFinished() {
planner.synchronize();
file.close();
if (file_subcall_ctr > 0) { // Heading up to a parent file that called current as a procedure.
if (file_subcall_ctr > 0) { // Resume calling file after closing procedure
file_subcall_ctr--;
openFile(proc_filenames[file_subcall_ctr], true, true);
openFileRead(proc_filenames[file_subcall_ctr], 2); // 2 = Returning from sub-procedure
setIndex(filespos[file_subcall_ctr]);
startFileprint();
}