Bernhard Kubicek
13 years ago
5 changed files with 288 additions and 249 deletions
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#ifndef __CARDREADERH |
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#define __CARDREADERH |
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#ifdef SDSUPPORT |
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#include "SdFat.h" |
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class CardReader |
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{ |
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public: |
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CardReader(); |
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void initsd(); |
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void write_command(char *buf); |
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//files auto[0-9].g on the sd card are performed in a row
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//this is to delay autostart and hence the initialisaiton of the sd card to some seconds after the normal init, so the device is available quick after a reset
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void checkautostart(bool x); |
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void closefile(); |
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void getfilename(const uint8_t nr); |
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uint8_t getnrfilenames(); |
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public: |
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bool savetosd; |
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SdFile file; |
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uint32_t filesize; |
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uint32_t sdpos ; |
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bool sdmode ; |
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SdFile root; |
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bool sdactive ; |
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char filename[11]; |
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private: |
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Sd2Card card; |
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SdVolume volume; |
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//int16_t n;
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unsigned long autostart_atmillis; |
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bool autostart_stilltocheck; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware.
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}; |
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#endif //SDSUPPORT
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#endif |
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@ -0,0 +1,177 @@ |
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#ifdef SDSUPPORT |
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#include "cardreader.h" |
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CardReader::CardReader() |
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{ |
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filesize = 0; |
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sdpos = 0; |
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sdmode = false; |
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sdactive = false; |
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savetosd = false; |
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autostart_atmillis=0; |
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autostart_stilltocheck=true; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware. |
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//power to SD reader |
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#if SDPOWER > -1 |
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SET_OUTPUT(SDPOWER); |
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WRITE(SDPOWER,HIGH); |
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#endif //SDPOWER |
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autostart_atmillis=millis()+5000; |
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} |
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void CardReader::initsd() |
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{ |
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sdactive = false; |
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#if SDSS >- 1 |
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if(root.isOpen()) |
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root.close(); |
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if (!card.init(SPI_FULL_SPEED,SDSS)) |
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{ |
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//if (!card.init(SPI_HALF_SPEED,SDSS)) |
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SERIAL_ECHOLN("SD init fail"); |
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} |
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else if (!volume.init(&card)) |
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{ |
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SERIAL_ERRORLN("volume.init failed"); |
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} |
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else if (!root.openRoot(&volume)) |
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{ |
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SERIAL_ERRORLN("openRoot failed"); |
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} |
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else |
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{ |
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sdactive = true; |
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SERIAL_ECHOLN("SD card ok"); |
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} |
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#endif //SDSS |
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} |
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void CardReader::write_command(char *buf) |
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{ |
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char* begin = buf; |
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char* npos = 0; |
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char* end = buf + strlen(buf) - 1; |
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file.writeError = false; |
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if((npos = strchr(buf, 'N')) != NULL) |
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{ |
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begin = strchr(npos, ' ') + 1; |
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end = strchr(npos, '*') - 1; |
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} |
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end[1] = '\r'; |
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end[2] = '\n'; |
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end[3] = '\0'; |
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file.write(begin); |
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if (file.writeError) |
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{ |
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SERIAL_ERRORLN("error writing to file"); |
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} |
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} |
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void CardReader::checkautostart(bool force) |
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{ |
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if(!force) |
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{ |
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if(!autostart_stilltocheck) |
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return; |
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if(autostart_atmillis<millis()) |
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return; |
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} |
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autostart_stilltocheck=false; |
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if(!sdactive) |
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{ |
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initsd(); |
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if(!sdactive) //fail |
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return; |
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} |
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static int lastnr=0; |
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char autoname[30]; |
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sprintf(autoname,"auto%i.g",lastnr); |
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for(int i=0;i<(int)strlen(autoname);i++) |
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autoname[i]=tolower(autoname[i]); |
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dir_t p; |
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root.rewind(); |
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bool found=false; |
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while (root.readDir(p) > 0) |
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{ |
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for(int i=0;i<(int)strlen((char*)p.name);i++) |
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p.name[i]=tolower(p.name[i]); |
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//Serial.print((char*)p.name); |
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//Serial.print(" "); |
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//Serial.println(autoname); |
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if(p.name[9]!='~') //skip safety copies |
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if(strncmp((char*)p.name,autoname,5)==0) |
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{ |
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char cmd[30]; |
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sprintf(cmd,"M23 %s",autoname); |
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enquecommand(cmd); |
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enquecommand("M24"); |
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found=true; |
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} |
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} |
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if(!found) |
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lastnr=-1; |
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else |
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lastnr++; |
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} |
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void CardReader::closefile() |
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{ |
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file.sync(); |
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file.close(); |
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savetosd = false; |
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} |
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void CardReader::getfilename(const uint8_t nr) |
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{ |
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dir_t p; |
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root.rewind(); |
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uint8_t cnt=0; |
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filename[0]='\0'; |
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while (root.readDir(p) > 0) |
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{ |
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if (p.name[0] == DIR_NAME_FREE) break; |
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if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue; |
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if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue; |
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if(p.name[8]!='G') continue; |
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if(p.name[9]=='~') continue; |
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if(cnt++!=nr) continue; |
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//Serial.println((char*)p.name); |
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uint8_t writepos=0; |
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for (uint8_t i = 0; i < 11; i++) |
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{ |
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if (p.name[i] == ' ') continue; |
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if (i == 8) { |
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filename[writepos++]='.'; |
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} |
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filename[writepos++]=p.name[i]; |
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} |
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filename[writepos++]=0; |
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} |
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} |
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uint8_t CardReader::getnrfilenames() |
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{ |
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dir_t p; |
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root.rewind(); |
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uint8_t cnt=0; |
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while (root.readDir(p) > 0) |
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{ |
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if (p.name[0] == DIR_NAME_FREE) break; |
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if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue; |
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if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue; |
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if(p.name[8]!='G') continue; |
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if(p.name[9]=='~') continue; |
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cnt++; |
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} |
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return cnt; |
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} |
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#endif //SDSUPPORT |
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