FreeCalypso > hg > freecalypso-tools
changeset 163:568e2a2b49c8
tiaud-decomp utility written
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 18 Mar 2017 05:47:32 +0000 (2017-03-18) |
parents | ce7479d28b02 |
children | 959ff9f59568 |
files | .hgignore ffstools/tiaud/Makefile ffstools/tiaud/binstruct.h ffstools/tiaud/decomp.c |
diffstat | 4 files changed, 190 insertions(+), 0 deletions(-) [+] |
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--- a/.hgignore Fri Mar 17 08:28:21 2017 +0000 +++ b/.hgignore Sat Mar 18 05:47:32 2017 +0000 @@ -6,6 +6,7 @@ \.srec$ ^ffstools/cal2text/fc-cal2text$ +^ffstools/tiaud/decomp$ ^ffstools/tiffs-rd/tiffs$ ^ffstools/tiffs-wrappers/mokoffs$ ^ffstools/tiffs-wrappers/pirffs$
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffstools/tiaud/Makefile Sat Mar 18 05:47:32 2017 +0000 @@ -0,0 +1,11 @@ +CC= gcc +CFLAGS= -O2 +PROGS= decomp + +all: ${PROGS} + +decomp: decomp.c + ${CC} ${CFLAGS} -o $@ $@.c + +clean: + rm -f ${PROGS}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffstools/tiaud/binstruct.h Sat Mar 18 05:47:32 2017 +0000 @@ -0,0 +1,32 @@ +/* + * The binary structure of /aud/*.cfg audio mode config files + * written and read by TI's TCS211 firmware is defined here. + */ + +struct audio_cfg_bin { + uint8_t voice_path; + uint8_t pad1[3]; + uint8_t mic_mode; + uint8_t pad2[3]; + int8_t mic_bytes[4]; + uint16_t mic_fir[32]; + uint8_t speaker_mode; + uint8_t pad3[3]; + int8_t speaker_bytes[4]; + uint16_t speaker_fir[32]; + int8_t sidetone_gain; + uint8_t pad4[3]; + uint16_t aec_words[6]; +}; + +/* mic_mode byte */ +#define AUDIO_MICROPHONE_HANDHELD (0) +#define AUDIO_MICROPHONE_HANDFREE (1) +#define AUDIO_MICROPHONE_HEADSET (2) + +/* speaker_mode byte */ +#define AUDIO_SPEAKER_HANDHELD (0) +#define AUDIO_SPEAKER_HANDFREE (1) +#define AUDIO_SPEAKER_HEADSET (2) +#define AUDIO_SPEAKER_BUZZER (3) +#define AUDIO_SPEAKER_HANDHELD_HANDFREE (4)
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffstools/tiaud/decomp.c Sat Mar 18 05:47:32 2017 +0000 @@ -0,0 +1,146 @@ +/* + * This utility decompiles a binary /aud/*.cfg file read out of FFS + * into our ASCII text representation. + */ + +#include <sys/types.h> +#include <sys/file.h> +#include <sys/stat.h> +#include <stdio.h> +#include <stdint.h> +#include <endian.h> +#include <stdlib.h> +#include <unistd.h> +#include "binstruct.h" + +struct audio_cfg_bin bin; +FILE *outf; + +read_bin_file(filename) + char *filename; +{ + int fd; + struct stat st; + + fd = open(filename, O_RDONLY); + if (fd < 0) { + perror(filename); + exit(1); + } + fstat(fd, &st); + if (!S_ISREG(st.st_mode)) { + fprintf(stderr, "%s is not a regular file\n", filename); + exit(1); + } + if (st.st_size != sizeof(struct audio_cfg_bin)) { + fprintf(stderr, "%s has the wrong length\n", filename); + exit(1); + } + read(fd, &bin, sizeof bin); + close(fd); +} + +emit_fir(table) + uint16_t *table; +{ + int i; + + for (i = 0; i < 31; i++) { + if ((i % 8) == 0) + fprintf(outf, "\tfir %2d", i); + fprintf(outf, " 0x%04X", le16toh(table[i])); + if (i == 7 || i == 15 || i == 23 || i == 30) + putc('\n', outf); + } +} + +emit_ascii() +{ + int i; + + fprintf(outf, "voice-path %u\n", bin.voice_path); + + switch (bin.mic_mode) { + case AUDIO_MICROPHONE_HANDHELD: + fprintf(outf, "mic default {\n"); + break; + case AUDIO_MICROPHONE_HANDFREE: + fprintf(outf, "mic aux {\n"); + break; + case AUDIO_MICROPHONE_HEADSET: + fprintf(outf, "mic headset {\n"); + break; + default: + fprintf(stderr, "error: unknown microphone mode 0x%02X\n", + bin.mic_mode); + exit(1); + } + fprintf(outf, "\tgain %d\n", bin.mic_bytes[0]); + if (bin.mic_mode == AUDIO_MICROPHONE_HANDFREE) { + fprintf(outf, "\textra-gain %d\n", bin.mic_bytes[1]); + fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[2]); + } else + fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[1]); + emit_fir(bin.mic_fir); + fputs("}\n", outf); + + switch (bin.speaker_mode) { + case AUDIO_SPEAKER_HANDHELD: + fprintf(outf, "speaker ear {\n"); + break; + case AUDIO_SPEAKER_HANDFREE: + fprintf(outf, "speaker aux {\n"); + break; + case AUDIO_SPEAKER_HEADSET: + fprintf(outf, "speaker headset {\n"); + break; + case AUDIO_SPEAKER_BUZZER: + fprintf(outf, "speaker buzzer {\n"); + break; + case AUDIO_SPEAKER_HANDHELD_HANDFREE: + fprintf(outf, "speaker ear+aux {\n"); + break; + default: + fprintf(stderr, "error: unknown speaker mode 0x%02X\n", + bin.speaker_mode); + exit(1); + } + if (bin.speaker_mode != AUDIO_SPEAKER_BUZZER) { + fprintf(outf, "\tgain %d\n", bin.speaker_bytes[0]); + fprintf(outf, "\taudio-filter %d\n", bin.speaker_bytes[1]); + emit_fir(bin.speaker_fir); + } else + fprintf(outf, "\tactivate %d\n", bin.speaker_bytes[0]); + fputs("}\n", outf); + + fprintf(outf, "sidetone %d\n", bin.sidetone_gain); + fputs("aec", outf); + for (i = 0; i < 5; i++) { + putc(' ', outf); + if (bin.aec_words[i]) + fprintf(outf, "0x%X", le16toh(bin.aec_words[i])); + else + putc('0', outf); + } + putc('\n', outf); +} + +main(argc, argv) + char **argv; +{ + if (argc < 2 || argc > 3) { + fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]); + exit(1); + } + read_bin_file(argv[1]); + if (argc > 2) { + outf = fopen(argv[2], "w"); + if (!outf) { + perror(argv[2]); + exit(1); + } + } else + outf = stdout; + emit_ascii(); + exit(0); +}