Firmware/Marlin/cardreader.pde

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#ifdef SDSUPPORT
#include "cardreader.h"
CardReader::CardReader()
{
filesize = 0;
sdpos = 0;
sdprinting = false;
cardOK = false;
saving = false;
autostart_atmillis=0;
autostart_stilltocheck=true; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware.
//power to SD reader
#if SDPOWER > -1
SET_OUTPUT(SDPOWER);
WRITE(SDPOWER,HIGH);
#endif //SDPOWER
autostart_atmillis=millis()+5000;
}
void CardReader::initsd()
{
cardOK = false;
#if SDSS >- 1
if(root.isOpen())
root.close();
if (!card.init(SPI_FULL_SPEED,SDSS))
{
//if (!card.init(SPI_HALF_SPEED,SDSS))
SERIAL_ECHOLN("SD init fail");
}
else if (!volume.init(&card))
{
SERIAL_ERRORLN("volume.init failed");
}
else if (!root.openRoot(&volume))
{
SERIAL_ERRORLN("openRoot failed");
}
else
{
cardOK = true;
SERIAL_ECHOLN("SD card ok");
}
#endif //SDSS
}
void CardReader::release()
{
sdprinting = false;
cardOK = false;
}
void CardReader::startFileprint()
{
if(cardOK)
{
sdprinting = true;
}
}
void CardReader::pauseSDPrint()
{
if(sdprinting)
{
sdprinting = false;
}
}
void CardReader::selectFile(char* name)
{
if(cardOK){
sdprinting = false;
file.close();
if (file.open(&root, name, O_READ)) {
filesize = file.fileSize();
SERIAL_PROTOCOLLN("File opened:"<<name<<" Size:"<<filesize);
sdpos = 0;
SERIAL_PROTOCOLLN("File selected");
}
else{
SERIAL_PROTOCOLLN("file.open failed");
}
}
}
void CardReader::startFilewrite(char *name)
{
if(cardOK)
{
file.close();
sdprinting = false;
if (!file.open(&root, name, O_CREAT | O_APPEND | O_WRITE | O_TRUNC))
{
SERIAL_PROTOCOLLN("open failed, File: "<<name<<".");
}
else{
saving = true;
SERIAL_PROTOCOLLN("Writing to file: "<<name);
}
}
}
void CardReader::getStatus()
{
if(cardOK){
SERIAL_PROTOCOLLN("SD printing byte "<<sdpos<<"/"<<filesize);
}
else{
SERIAL_PROTOCOLLN("Not SD printing");
}
}
void CardReader::write_command(char *buf)
{
char* begin = buf;
char* npos = 0;
char* end = buf + strlen(buf) - 1;
file.writeError = false;
if((npos = strchr(buf, 'N')) != NULL)
{
begin = strchr(npos, ' ') + 1;
end = strchr(npos, '*') - 1;
}
end[1] = '\r';
end[2] = '\n';
end[3] = '\0';
file.write(begin);
if (file.writeError)
{
SERIAL_ERRORLN("error writing to file");
}
}
void CardReader::checkautostart(bool force)
{
if(!force)
{
if(!autostart_stilltocheck)
return;
if(autostart_atmillis<millis())
return;
}
autostart_stilltocheck=false;
if(!cardOK)
{
initsd();
if(!cardOK) //fail
return;
}
static int lastnr=0;
char autoname[30];
sprintf(autoname,"auto%i.g",lastnr);
for(int8_t i=0;i<(int)strlen(autoname);i++)
autoname[i]=tolower(autoname[i]);
dir_t p;
root.rewind();
bool found=false;
while (root.readDir(p) > 0)
{
for(int8_t i=0;i<(int)strlen((char*)p.name);i++)
p.name[i]=tolower(p.name[i]);
//Serial.print((char*)p.name);
//Serial.print(" ");
//Serial.println(autoname);
if(p.name[9]!='~') //skip safety copies
if(strncmp((char*)p.name,autoname,5)==0)
{
char cmd[30];
sprintf(cmd,"M23 %s",autoname);
enquecommand(cmd);
enquecommand("M24");
found=true;
}
}
if(!found)
lastnr=-1;
else
lastnr++;
}
void CardReader::closefile()
{
file.sync();
file.close();
saving = false;
}
void CardReader::getfilename(const uint8_t nr)
{
dir_t p;
root.rewind();
uint8_t cnt=0;
filename[0]='\0';
while (root.readDir(p) > 0)
{
if (p.name[0] == DIR_NAME_FREE) break;
if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue;
if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
if(p.name[8]!='G') continue;
if(p.name[9]=='~') continue;
if(cnt++!=nr) continue;
//Serial.println((char*)p.name);
uint8_t writepos=0;
for (int8_t i = 0; i < 11; i++)
{
if (p.name[i] == ' ') continue;
if (i == 8) {
filename[writepos++]='.';
}
filename[writepos++]=p.name[i];
}
filename[writepos++]=0;
}
}
uint8_t CardReader::getnrfilenames()
{
dir_t p;
root.rewind();
uint8_t cnt=0;
while (root.readDir(p) > 0)
{
if (p.name[0] == DIR_NAME_FREE) break;
if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue;
if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
if(p.name[8]!='G') continue;
if(p.name[9]=='~') continue;
cnt++;
}
return cnt;
}
#endif //SDSUPPORT