void itoa(int pvalue, char* pstr, size_t *rlen) { static char num[] = "0123456789"; int value = pvalue; char *str = pstr; // take care of sign if(pvalue<0) { *str++ = '-'; value = -value; } /* -999 - +999 */ if (value<1000) { // printf(" x %d", value); // printf("Rest: %d $ ", value); if(!mux) initmux(); char *q = mux + value*4; char qq; *str++=*q++; if((qq=*q++)) { *str++=qq; if((qq=*q++)) { *str++=qq; } } #ifdef FLEECE_ALWAYS_DELIMIT *str=0; #endif *rlen = str - pstr; goto ret; } if (value<1000000) { if(!mux) initmux(); char *q = mux + (value/1000*4); char qq; *(str++)=*q++; if((qq=*q++)) { *(str++)=qq; if((qq=*q++)) { *(str++)=qq; } } // printf("Now: %s $ ", pstr); value %= 1000; q = mux0 + (4*value); *str++=*q++; *str++=*q++; *str++=*q++; #ifdef FLEECE_ALWAYS_DELIMIT *str=0; #endif *rlen = str - pstr; goto ret; } /* #4 any length Source: Stuart Lowe's optimization of the Kernighan & Ritchie sample at http://www.strudel.org.uk/itoa/ DO NOT CHANGE ANYTHING IN THIS FUNCTION WITHOUT SYNCHING ilen() */ /* prototype TODO: move */ void strreverse(char* begin, char* end); /* note: sign is taken care of above. if minus, *str IS alread '-' here. */ char* wstr=str; div_t res; // Conversion. Number is reversed in the end. do { res = div(value,10); *wstr++ = num[res.rem]; } while((value=res.quot)); #ifdef FLEECE_ALWAYS_DELIMIT *wstr='\0'; #endif *rlen = wstr - pstr; // Reverse string strreverse(str,wstr-1); #if SELFCHECK >=3 *(pstr+*rlen) = 0; char test[32]; sprintf(test, "%d", pvalue); if(strcmp(test, pstr)) { printf("fleece [3]: ** fast integer K&R conversion error: %d made to '%s', should be '%s'.\n", pvalue, pstr,test); exit(180); } #endif ret:; #if SELFCHECK >=3 *(pstr+*rlen) = 0; sprintf(test, "%d", pvalue); if(strcmp(test, pstr)) { printf("fleece [3]: ** fast integer look up conversion error: %d made to '%s', should be '%s'.\n", pvalue, pstr,test); exit(194); } #endif return; }
/* Play a list of audio files. */ int main(int argc, char **argv) { int errorStatus = 0; int i; int c; int cnt; int file_type; int rem; int outsiz; int tsize; int len; int err; int ifd; int stdinseen; int regular; int swapBytes; int frame; char *outbuf; caddr_t mapaddr; struct stat st; char *cp; char ctldev[MAXPATHLEN]; (void) setlocale(LC_ALL, ""); (void) textdomain(TEXT_DOMAIN); /* Get the program name */ prog = strrchr(argv[0], '/'); if (prog == NULL) prog = argv[0]; else prog++; Stdin = MGET("(stdin)"); /* Check AUDIODEV environment for audio device name */ if (cp = getenv("AUDIODEV")) { Audio_dev = cp; } /* Parse the command line arguments */ err = 0; while ((i = getopt(argc, argv, prog_opts)) != EOF) { switch (i) { case 'v': if (parse_unsigned(optarg, &Volume, "-v")) { err++; } else if (Volume > MAX_GAIN) { Error(stderr, MGET("%s: invalid value " "for -v\n"), prog); err++; } break; case 'd': Audio_dev = optarg; break; case 'V': Verbose = TRUE; break; case 'E': Errdetect = TRUE; break; case 'i': Immediate = TRUE; break; case '?': usage(); /*NOTREACHED*/ } } if (err > 0) exit(1); argc -= optind; /* update arg pointers */ argv += optind; /* Validate and open the audio device */ err = stat(Audio_dev, &st); if (err < 0) { Error(stderr, MGET("%s: cannot stat "), prog); perror(Audio_dev); exit(1); } if (!S_ISCHR(st.st_mode)) { Error(stderr, MGET("%s: %s is not an audio device\n"), prog, Audio_dev); exit(1); } /* This should probably use audio_cntl instead of open_audio */ if ((argc <= 0) && isatty(fileno(stdin))) { Error(stderr, MGET("%s: No files and stdin is a tty.\n"), prog); exit(1); } /* Check on the -i status now. */ Audio_fd = open(Audio_dev, O_WRONLY | O_NONBLOCK); if ((Audio_fd < 0) && (errno == EBUSY)) { if (Immediate) { Error(stderr, MGET("%s: %s is busy\n"), prog, Audio_dev); exit(1); } } (void) close(Audio_fd); Audio_fd = -1; /* Try to open the control device and save the current format */ (void) snprintf(ctldev, sizeof (ctldev), "%sctl", Audio_dev); Audio_ctlfd = open(ctldev, O_RDWR); if (Audio_ctlfd >= 0) { /* * wait for the device to become available then get the * controls. We want to save the format that is left when the * device is in a quiescent state. So wait until then. */ Audio_fd = open(Audio_dev, O_WRONLY); (void) close(Audio_fd); Audio_fd = -1; if (audio_get_play_config(Audio_ctlfd, &Save_hdr) != AUDIO_SUCCESS) { (void) close(Audio_ctlfd); Audio_ctlfd = -1; } } /* store AUDIOPATH so we don't keep doing getenv() */ Audio_path = getenv("AUDIOPATH"); /* Set up SIGINT handler to flush output */ (void) signal(SIGINT, sigint); /* Set the endian nature of the machine. */ if ((ulong_t)1 != htonl((ulong_t)1)) { NetEndian = FALSE; } /* If no filenames, read stdin */ stdinseen = FALSE; if (argc <= 0) { Ifile = Stdin; } else { Ifile = *argv++; argc--; } /* Loop through all filenames */ do { /* Interpret "-" filename to mean stdin */ if (strcmp(Ifile, "-") == 0) Ifile = Stdin; if (Ifile == Stdin) { if (stdinseen) { Error(stderr, MGET("%s: stdin already processed\n"), prog); goto nextfile; } stdinseen = TRUE; ifd = fileno(stdin); } else { if ((ifd = path_open(Ifile, O_RDONLY, 0, Audio_path)) < 0) { Error(stderr, MGET("%s: cannot open "), prog); perror(Ifile); errorStatus++; goto nextfile; } } /* Check to make sure this is an audio file */ err = audio_read_filehdr(ifd, &File_hdr, &file_type, (char *)NULL, 0); if (err != AUDIO_SUCCESS) { Error(stderr, MGET("%s: %s is not a valid audio file\n"), prog, Ifile); errorStatus++; goto closeinput; } /* If G.72X adpcm, set flags for conversion */ if ((File_hdr.encoding == AUDIO_ENCODING_G721) && (File_hdr.samples_per_unit == 2) && (File_hdr.bytes_per_unit == 1)) { Decode = AUDIO_ENCODING_G721; File_hdr.encoding = AUDIO_ENCODING_ULAW; File_hdr.samples_per_unit = 1; File_hdr.bytes_per_unit = 1; adpcm_state = (struct audio_g72x_state *)malloc (sizeof (*adpcm_state) * File_hdr.channels); for (i = 0; i < File_hdr.channels; i++) { g721_init_state(&adpcm_state[i]); } } else if ((File_hdr.encoding == AUDIO_ENCODING_G723) && (File_hdr.samples_per_unit == 8) && (File_hdr.bytes_per_unit == 3)) { Decode = AUDIO_ENCODING_G723; File_hdr.encoding = AUDIO_ENCODING_ULAW; File_hdr.samples_per_unit = 1; File_hdr.bytes_per_unit = 1; adpcm_state = (struct audio_g72x_state *)malloc (sizeof (*adpcm_state) * File_hdr.channels); for (i = 0; i < File_hdr.channels; i++) { g723_init_state(&adpcm_state[i]); } } else { Decode = AUDIO_ENCODING_NONE; } /* Check the device configuration */ open_audio(); if (audio_cmp_hdr(&Dev_hdr, &File_hdr) != 0) { /* * The device does not match the input file. * Wait for any old output to drain, then attempt * to reconfigure the audio device to match the * input data. */ if (audio_drain(Audio_fd, FALSE) != AUDIO_SUCCESS) { /* Flush any remaining audio */ (void) ioctl(Audio_fd, I_FLUSH, FLUSHW); Error(stderr, MGET("%s: "), prog); perror(MGET("AUDIO_DRAIN error")); exit(1); } /* Flush any remaining audio */ (void) ioctl(Audio_fd, I_FLUSH, FLUSHW); if (!reconfig()) { errorStatus++; goto closeinput; } } /* try to do the mmaping - for regular files only ... */ err = fstat(ifd, &st); if (err < 0) { Error(stderr, MGET("%s: cannot stat "), prog); perror(Ifile); exit(1); } regular = (S_ISREG(st.st_mode)); /* If regular file, map it. Else, allocate a buffer */ mapaddr = 0; /* * This should compare to MAP_FAILED not -1, can't * find MAP_FAILED */ if (regular && ((mapaddr = mmap(0, st.st_size, PROT_READ, MAP_SHARED, ifd, 0)) != MAP_FAILED)) { (void) madvise(mapaddr, st.st_size, MADV_SEQUENTIAL); /* Skip the file header and set the proper size */ cnt = lseek(ifd, 0, SEEK_CUR); if (cnt < 0) { perror("lseek"); exit(1); } inbuf = (unsigned char *) mapaddr + cnt; len = cnt = st.st_size - cnt; } else { /* Not a regular file, or map failed */ /* mark is so. */ mapaddr = 0; /* Allocate buffer to hold 10 seconds of data */ cnt = BUFFER_LEN * File_hdr.sample_rate * File_hdr.bytes_per_unit * File_hdr.channels; if (bufsiz != cnt) { if (buf != NULL) { (void) free(buf); } buf = (unsigned char *) malloc(cnt); if (buf == NULL) { Error(stderr, MGET("%s: couldn't allocate %dK " "buf\n"), prog, bufsiz / 1000); exit(1); } inbuf = buf; bufsiz = cnt; } } /* Set buffer sizes and pointers for conversion, if any */ switch (Decode) { default: case AUDIO_ENCODING_NONE: insiz = bufsiz; outbuf = (char *)buf; break; case AUDIO_ENCODING_G721: insiz = ADPCM_SIZE / 2; outbuf = (char *)adpcm_buf; initmux(1, 2); break; case AUDIO_ENCODING_G723: insiz = (ADPCM_SIZE * 3) / 8; outbuf = (char *)adpcm_buf; initmux(3, 8); break; } /* * 8-bit audio isn't a problem, however 16-bit audio is. * If the file is an endian that is different from the machine * then the bytes will need to be swapped. * * Note: Because the G.72X conversions produce 8bit output, * they don't require a byte swap before display and so * this scheme works just fine. If a conversion is added * that produces a 16 bit result and therefore requires * byte swapping before output, then a mechanism * for chaining the two conversions will have to be built. * * Note: The following if() could be simplified, but then * it gets to be very hard to read. So it's left as is. */ if (File_hdr.bytes_per_unit == 2 && ((!NetEndian && file_type == FILE_AIFF) || (!NetEndian && file_type == FILE_AU) || (NetEndian && file_type == FILE_WAV))) { swapBytes = TRUE; } else { swapBytes = FALSE; } if (swapBytes) { /* Read in interal number of sample frames. */ frame = File_hdr.bytes_per_unit * File_hdr.channels; insiz = (SWAP_SIZE / frame) * frame; /* make the output buffer the swap buffer. */ outbuf = (char *)swap_buf; } /* * At this point, we're all ready to copy the data. */ if (mapaddr == 0) { /* Not mmapped, do it a buffer at a time. */ inbuf = buf; frame = File_hdr.bytes_per_unit * File_hdr.channels; rem = 0; while ((cnt = read(ifd, inbuf+rem, insiz-rem)) >= 0) { /* * We need to ensure only an integral number of * samples is ever written to the audio device. */ cnt = cnt + rem; rem = cnt % frame; cnt = cnt - rem; /* * If decoding adpcm, or swapping bytes do it * now. * * We treat the swapping like a separate * encoding here because the G.72X encodings * decode to single byte output samples. If * another encoding is added and it produces * multi-byte output samples this will have to * be changed. */ if (Decode == AUDIO_ENCODING_G721) { outsiz = 0; demux(1, cnt / File_hdr.channels); for (c = 0; c < File_hdr.channels; c++) { err = g721_decode(in_ch_data[c], cnt / File_hdr.channels, &File_hdr, (void*)out_ch_data[c], &tsize, &adpcm_state[c]); outsiz = outsiz + tsize; if (err != AUDIO_SUCCESS) { Error(stderr, MGET( "%s: error decoding g721\n"), prog); errorStatus++; break; } } mux(outbuf); cnt = outsiz; } else if (Decode == AUDIO_ENCODING_G723) { outsiz = 0; demux(3, cnt / File_hdr.channels); for (c = 0; c < File_hdr.channels; c++) { err = g723_decode(in_ch_data[c], cnt / File_hdr.channels, &File_hdr, (void*)out_ch_data[c], &tsize, &adpcm_state[c]); outsiz = outsiz + tsize; if (err != AUDIO_SUCCESS) { Error(stderr, MGET( "%s: error decoding g723\n"), prog); errorStatus++; break; } } mux(outbuf); cnt = outsiz; } else if (swapBytes) { swab((char *)inbuf, outbuf, cnt); } /* If input EOF, write an eof marker */ err = write(Audio_fd, outbuf, cnt); if (err < 0) { perror("write"); errorStatus++; break; } else if (err != cnt) { Error(stderr, MGET("%s: output error: "), prog); perror(""); errorStatus++; break; } if (cnt == 0) { break; } /* Move remainder to the front of the buffer */ if (rem != 0) { (void *)memcpy(inbuf, inbuf + cnt, rem); } } if (cnt < 0) { Error(stderr, MGET("%s: error reading "), prog); perror(Ifile); errorStatus++; } } else { /* We're mmaped */ if ((Decode != AUDIO_ENCODING_NONE) || swapBytes) { /* Transform data if we have to. */ for (i = 0; i <= len; i += cnt) { cnt = insiz; if ((i + cnt) > len) { cnt = len - i; } if (Decode == AUDIO_ENCODING_G721) { outsiz = 0; demux(1, cnt / File_hdr.channels); for (c = 0; c < File_hdr.channels; c++) { err = g721_decode( in_ch_data[c], cnt / File_hdr.channels, &File_hdr, (void*)out_ch_data[c], &tsize, &adpcm_state[c]); outsiz = outsiz + tsize; if (err != AUDIO_SUCCESS) { Error(stderr, MGET( "%s: error decoding " "g721\n"), prog); errorStatus++; break; } } mux(outbuf); } else if (Decode == AUDIO_ENCODING_G723) { outsiz = 0; demux(3, cnt / File_hdr.channels); for (c = 0; c < File_hdr.channels; c++) { err = g723_decode( in_ch_data[c], cnt / File_hdr.channels, &File_hdr, (void*)out_ch_data[c], &tsize, &adpcm_state[c]); outsiz = outsiz + tsize; if (err != AUDIO_SUCCESS) { Error(stderr, MGET( "%s: error " "decoding g723\n"), prog); errorStatus++; break; } } mux(outbuf); } else if (swapBytes) { swab((char *)inbuf, outbuf, cnt); outsiz = cnt; } inbuf += cnt; /* If input EOF, write an eof marker */ err = write(Audio_fd, (char *)outbuf, outsiz); if (err < 0) { perror("write"); errorStatus++; } else if (outsiz == 0) { break; } } } else { /* write the whole thing at once! */ err = write(Audio_fd, inbuf, len); if (err < 0) { perror("write"); errorStatus++; } if (err != len) { Error(stderr, MGET("%s: output error: "), prog); perror(""); errorStatus++; } err = write(Audio_fd, inbuf, 0); if (err < 0) { perror("write"); errorStatus++; } } } /* Free memory if decoding ADPCM */ switch (Decode) { case AUDIO_ENCODING_G721: case AUDIO_ENCODING_G723: freemux(); break; default: break; } closeinput:; if (mapaddr != 0) (void) munmap(mapaddr, st.st_size); (void) close(ifd); /* close input file */ if (Errdetect) { cnt = 0; audio_set_play_error(Audio_fd, (unsigned int *)&cnt); if (cnt) { Error(stderr, MGET("%s: output underflow in %s\n"), Ifile, prog); errorStatus++; } } nextfile:; } while ((argc > 0) && (argc--, (Ifile = *argv++) != NULL)); /* * Though drain is implicit on close(), it's performed here * to ensure that the volume is reset after all output is complete. */ (void) audio_drain(Audio_fd, FALSE); /* Flush any remaining audio */ (void) ioctl(Audio_fd, I_FLUSH, FLUSHW); if (Volume != INT_MAX) (void) audio_set_play_gain(Audio_fd, &Savevol); if ((Audio_ctlfd >= 0) && (audio_cmp_hdr(&Save_hdr, &Dev_hdr) != 0)) { (void) audio_set_play_config(Audio_fd, &Save_hdr); } (void) close(Audio_fd); /* close output */ return (errorStatus); }
int main(void) { int check1=1;//Runs until there is an error int counter1=3; int counter2=11; int mode1Value8[46];//Store the Value int mode1Value9[46];//Store the Value int mode2Value8[46];//Store the Value int mode2Value9[46];//Store the Value initmux(); while(counter1<=46&&check1==1) { mode1Value8[counter1-1]=chkpinmode(8,counter1); if(mode1Value8[counter1-1]==-1) { check1=0;//Stops program fprintf(stdout, "\n%s", "Error while reading pin mux value"); fflush(stdout); } counter1++; } while(counter2<=31&&check1==1) { mode1Value9[counter2-1]=chkpinmode(9,counter2); if(mode1Value9[counter2-1]==-1) { check1=0;//Stops program fprintf(stdout, "\n%s", "Error while reading pin mux value"); fflush(stdout); } counter2++; } while(check1==1) { counter1=3; while(counter1<=46&&check1==1) { mode2Value8[counter1-1]=chkpinmode(8,counter1); counter1++; }//End while(counter1<=46&&check1==1) counter1=3; while(counter1<=46&&check1==1) { if(mode1Value8[counter1-1]!=mode2Value8[counter1-1]) { fprintf(stdout,"\n%s\n\t%s%i", "There was a change in the mux on", " Header: 8 Pin: ", counter1); fflush(stdout); fprintf(stdout, "\n%s%i%s%i", "The value mux value was: ", mode1Value8[counter1-1], ". The new value is: ", mode2Value8[counter1-1]); fflush(stdout); mode1Value8[counter1-1]=mode2Value8[counter1-1]; }//END if counter1++; usleep(50000); }//END while(counter1<=46&&check1==1) counter1=3; counter2=11; while(counter2<=31&&check1==1) { mode2Value9[counter2-1]=chkpinmode(9,counter2); counter2++; } counter2=11; while(counter2<=31&&check1==1) { if(mode1Value9[counter2-1]!=mode2Value9[counter2-1]) { fprintf(stdout,"\n%s\n\t%s%i", "There was a change in the mux on", " Header: 9 Pin: ", counter2); fflush(stdout); fprintf(stdout, "\n%s%i%s%i", "The value mux value was: ", mode1Value9[counter2-1], ". New value is: ", mode2Value9[counter2-1]); fflush(stdout); mode1Value9[counter2-1]=mode2Value9[counter2-1]; }//END if usleep(50000); counter2++; }//END while(counter1<=46&&check1==1) counter2=11; }//End while(check1==1) muxdone(); return 0; }