FreeCalypso > hg > freecalypso-reveng
view miscprog/calextract.c @ 241:cead37b6ff74
pirelli/fw-disasm: spi_adc_on() located
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 23 Dec 2017 01:46:05 +0000 |
parents | c38075b8a625 |
children |
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/* * GSM firmwares constructed per TI's canon contain several hard-coded * T_RF_BAND structures, one per band, emitted literally in the .const * section as they are constant initialized data, i.e., * const T_RF_BAND rf_XXX = { blah }. This utility extracts one of these * structures from a binary file (hex offset must be given) and parses it * into a C form suitable for placement in l1_rf12.c in the FreeCalypso * gsm-fw source. */ #include <stdio.h> #include <stdlib.h> char *binfilename; FILE *binf; u_long start_offset; getbyte() { int c; c = getc(binf); if (c < 0) { fprintf(stderr, "error or EOF reading from %s\n", binfilename); exit(1); } return(c); } get_u16() { int lo, hi; lo = getbyte(); hi = getbyte(); return((hi << 8) | lo); } get_s16() { int i; i = get_u16(); if (i >= 32768) i -= 65536; return(i); } do_rx_cal_params() { int i; puts(" { /* T_RX_CAL_PARAMS */"); for (i = 0; i < 4; i++) printf("%10d,\n", get_u16()); puts(" },"); } do_rx_agc_bands() { int i, u, s; puts(" { /* T_RF_AGC_BANDs */"); for (i = 0; i < 10; i++) { u = get_u16(); s = get_s16(); printf(" {%5d,%6d},\n", u, s); } puts(" },"); } do_rx_temp_comp() { int i, s1, s2; puts(" { /* Rx temperature compensation */"); for (i = 0; i < 11; i++) { s1 = get_s16(); s2 = get_s16(); printf(" {%6d,%6d},\n", s1, s2); } puts(" },"); } do_rx() { puts(" { /* Rx structure */"); do_rx_cal_params(); do_rx_agc_bands(); do_rx_temp_comp(); puts(" },"); } do_tx_levels() { int i, u, b1, b2; puts(" { /* levels */"); for (i = 0; i < 32; i++) { u = get_u16(); b1 = getbyte(); b2 = getbyte(); printf(" {%5d,%3d,%3d}, /* %d */\n", u, b1, b2, i); } puts(" },"); } do_tx_calchan() { int i, j, u, s; puts(" { /* channel calibration tables */"); for (i = 0; i < 4; i++) { printf(" { /* calibration table %d */\n", i); for (j = 0; j < 8; j++) { u = get_u16(); s = get_s16(); printf("\t{%5d,%6d},\n", u, s); } puts(" },"); } puts(" },"); } do_ramp_16bytes() { int i, b; putchar('\t'); putchar('{'); for (i = 0; i < 16; i++) { b = getbyte(); printf("%3d%c", b, i == 15 ? '}' : ','); } putchar(','); putchar('\n'); } do_tx_ramps() { int i; puts(" { /* ramps */"); for (i = 0; i < 16; i++) { printf(" { /* profile %d */\n", i); puts("\t/* ramp-up */"); do_ramp_16bytes(); puts("\t/* ramp-down */"); do_ramp_16bytes(); puts(" },"); } puts(" },"); } do_tx_temp_comp() { int i, j, s[4]; puts(" { /* Tx temperature compensation */"); for (i = 0; i < 5; i++) { for (j = 0; j < 4; j++) s[j] = get_s16(); printf(" {%6d,%6d,%6d,%6d},\n", s[0], s[1], s[2], s[3]); } puts(" },"); } do_tx() { puts(" { /* Tx structure */"); do_tx_levels(); do_tx_calchan(); do_tx_ramps(); do_tx_temp_comp(); puts(" },"); } main(argc, argv) char **argv; { if (argc != 3) { fprintf(stderr, "usage: %s binfile hex-offset\n", argv[0]); exit(1); } binfilename = argv[1]; start_offset = strtoul(argv[2], 0, 16); binf = fopen(binfilename, "r"); if (!binf) { perror(binfilename); exit(1); } fseek(binf, start_offset, SEEK_SET); puts("const T_RF_BAND rf_XXX = {"); do_rx(); do_tx(); printf(" %d\n};\n", getbyte()); exit(0); }