//After running this, the sdBuf is ruined (tail pointer not on a sector boundary) //so don't call flushSD or flushSDLast again int flushSDLast() { mark(&sdBuf); int len=readylen(&sdBuf); if(len==0) return 0; len=len>SECTOR_LEN?SECTOR_LEN:len; if(fat16_write_file(&ouf, &sdBuf.buf[sdBuf.tail], len) < 0) return -1; sdBuf.tail=SECTOR_LEN-sdBuf.tail; len=readylen(&sdBuf); if(len>0) return fat16_write_file(&ouf, &sdBuf.buf[sdBuf.tail], len); return 0; }
/** * \ingroup tcpcmdcommon * \b Kamerabild auf SD-Karte speichern * * \b Syntax: bild<br> * * \author Fred Fröhlich */ int16_t Bild_speichern(char *outbuffer) { #if USE_MMC // nur sinnvoll mit SD-Karte unsigned long apos; uint16_t a; char fname[13]; max_bytes = cam_picture_store(CAM_RESOLUTION); //Kamera läd neues Bild in Speicher // positive Antwort mit Dateiname in outbuffer speichern sprintf_P(fname,PSTR("%02i%02i%02i%02i.jpg"),TM_DD,TM_hh,TM_mm,TM_ss); File *picfile = f16_open(fname,"a"); if (picfile) { apos = 0; do { a = 0; do { cam_data_get(apos); apos++; a++; if(a==512) break; } while(apos < max_bytes); fat16_write_file(picfile, (uint8_t *)&cam_dat_buffer[0], a); } while(apos < max_bytes); f16_close(picfile); if (outbuffer) { sprintf_P(outbuffer,PSTR("250 Datei: %s"),fname); return strlen(outbuffer); // OK: 250 und Dateiname } else return 0; } else #endif return cmd_550(outbuffer); // Fehler zurückgeben }
//returns 0 on success, negative on failure int flushSD() { if(fat16_write_file(&ouf, &sdBuf.buf[sdBuf.tail], SECTOR_LEN) < 0) return -1; sdBuf.tail=SECTOR_LEN-sdBuf.tail; return 0; }
int main() { /* setup uart */ uart_init(); /* setup stdio */ uart_connect_stdio(); /* setup sd card slot */ if(!sd_raw_init()) { #if DEBUG printf_P(PSTR("MMC/SD initialization failed\n")); #endif return 1; } /* open first partition */ struct partition_struct* partition = partition_open(sd_raw_read, sd_raw_read_interval, sd_raw_write, 0); if(!partition) { /* If the partition did not open, assume the storage device * is a "superfloppy", i.e. has no MBR. */ partition = partition_open(sd_raw_read, sd_raw_read_interval, sd_raw_write, -1 ); if(!partition) { #if DEBUG printf_P(PSTR("opening partition failed\n")); #endif return 1; } } /* open file system */ struct fat16_fs_struct* fs = fat16_open(partition); if(!fs) { #if DEBUG printf_P(PSTR("opening filesystem failed\n")); #endif return 1; } /* open root directory */ struct fat16_dir_entry_struct directory; fat16_get_dir_entry_of_path(fs, "/", &directory); struct fat16_dir_struct* dd = fat16_open_dir(fs, &directory); if(!dd) { #if DEBUG printf_P(PSTR("opening root directory failed\n")); #endif return 1; } /* provide a simple shell */ char buffer[24]; while(1) { /* print prompt */ uart_putc('>'); uart_putc(' '); /* read command */ char* command = buffer; if(read_line(command, sizeof(buffer)) < 1) continue; /* execute command */ if(strncmp_P(command, PSTR("cd "), 3) == 0) { command += 3; if(command[0] == '\0') continue; /* change directory */ struct fat16_dir_entry_struct subdir_entry; if(find_file_in_dir(fs, dd, command, &subdir_entry)) { struct fat16_dir_struct* dd_new = fat16_open_dir(fs, &subdir_entry); if(dd_new) { fat16_close_dir(dd); dd = dd_new; continue; } } printf_P(PSTR("directory not found: %s\n"), command); } else if(strcmp_P(command, PSTR("ls")) == 0) { /* print directory listing */ struct fat16_dir_entry_struct dir_entry; while(fat16_read_dir(dd, &dir_entry)) { printf_P(PSTR("%10lu %s%c\n"), dir_entry.file_size, dir_entry.long_name, (dir_entry.attributes & FAT16_ATTRIB_DIR) ? '/' : ' ' ); } } else if(strncmp_P(command, PSTR("cat "), 4) == 0) { command += 4; if(command[0] == '\0') continue; /* search file in current directory and open it */ struct fat16_file_struct* fd = open_file_in_dir(fs, dd, command); if(!fd) { printf_P(PSTR("error opening %s\n"), command); continue; } /* print file contents */ uint8_t buffer[8]; uint32_t offset = 0; while(fat16_read_file(fd, buffer, sizeof(buffer)) > 0) { printf_P(PSTR("%08lx: %02x %02x %02x %02x %02x %02x %02x %02x\n"), offset, buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5], buffer[6], buffer[7] ); offset += 8; } fat16_close_file(fd); } #if FAT16_WRITE_SUPPORT else if(strncmp_P(command, PSTR("rm "), 3) == 0) { command += 3; if(command[0] == '\0') continue; struct fat16_dir_entry_struct file_entry; if(find_file_in_dir(fs, dd, command, &file_entry)) { if(fat16_delete_file(fs, &file_entry)) continue; } printf_P(PSTR("error deleting file: %s\n"), command); } else if(strncmp_P(command, PSTR("touch "), 6) == 0) { command += 6; if(command[0] == '\0') continue; struct fat16_dir_entry_struct file_entry; if(!fat16_create_file(dd, command, &file_entry)) printf_P(PSTR("error creating file: %s\n"), command); } else if(strncmp_P(command, PSTR("write "), 6) == 0) { command += 6; if(command[0] == '\0') continue; char* offset_value = command; while(*offset_value != ' ' && *offset_value != '\0') ++offset_value; if(*offset_value == ' ') *offset_value++ = '\0'; else continue; /* search file in current directory and open it */ struct fat16_file_struct* fd = open_file_in_dir(fs, dd, command); if(!fd) { printf_P(PSTR("error opening %s\n"), command); continue; } int32_t offset = strtol(offset_value, 0, 0); if(!fat16_seek_file(fd, &offset, FAT16_SEEK_SET)) { printf_P(PSTR("error seeking on %s\n"), command); fat16_close_file(fd); continue; } /* read text from the shell and write it to the file */ uint8_t data_len; while(1) { /* give a different prompt */ uart_putc('<'); uart_putc(' '); /* read one line of text */ data_len = read_line(buffer, sizeof(buffer)); if(!data_len) break; /* write text to file */ if(fat16_write_file(fd, (uint8_t*) buffer, data_len) != data_len) { printf_P(PSTR("error writing to file\n")); break; } } fat16_close_file(fd); } #endif #if SD_RAW_WRITE_BUFFERING else if(strcmp_P(command, PSTR("sync")) == 0) { if(!sd_raw_sync()) printf_P(PSTR("error syncing disk\n")); } #endif else { printf_P(PSTR("unknown command: %s\n"), command); } } /* close file system */ fat16_close(fs); /* close partition */ partition_close(partition); return 0; }
//0 for success, negative for failure int readLogCon(void) { char keyword[64]; char value[64]; char stringBuf[512]; struct fat16_file_struct fd; int len; int s=0; int t=0; keyword[0]=0; value[0]=0; int result; if(root_file_exists(LOGCON_NAME)) { //There already is a logcon file, open it and suck int in result = root_open(&fd,LOGCON_NAME); if(result<0) return result; len = fat16_read_file(&fd, (unsigned char *)stringBuf, 512); if(len<0) return -1; fat16_close_file(&fd); } else { //No existing logcon file, write a fresh one result=root_open_new(&fd,LOGCON_NAME); if(result<0) return result; stringBuf[0]=0; //Write out each default line for(int i=0;strlen(fTable[i].tag)>0;i++) { strcat(stringBuf,fTable[i].tag); strcat(stringBuf,"="); strcat(stringBuf,fTable[i].def); strcat(stringBuf,"\r\n"); } //write it out to the file len=strlen(stringBuf); fat16_write_file(&fd, (unsigned char*)stringBuf, len); fat16_close_file(&fd); sd_raw_sync(); } //Either way, the logcon file is now in stringBuf and //its length is in len s=0; t=0; char inValue=0; for(s = 0; s < len; s++) { if(stringBuf[s] == '=') { keyword[t]=0; inValue=1; t=0; } else if(stringBuf[s]=='\n') { value[t]=0; inValue=0; t=0; result=processLine(keyword,value); if(result<0) return result; } else { if(inValue) { value[t]=stringBuf[s]; } else { keyword[t]=stringBuf[s]; } t++; } } return 0; }