FreeCalypso > hg > freecalypso-tools
view rvinterf/etmsync/pirmagnetite.c @ 407:19e5a3e2f9c0
fcup-settime: moved time() retrieval a little closer to the output
A fundamental problem with all simple time transfer tools is that there is
always some delay between the time retrieval on the source system and that
transmitted time being set on the destination, and the resulting time
on the destination system is off by that delay amount. This delay cannot
be fully eliminated when working in a simple environment like ours,
but we should make our best effort to minimize it. In the present case,
moving the atinterf_init() call before the time() retrieval should make
a teensy-tiny improvement.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 11 Aug 2018 21:52:17 +0000 |
parents | 8136fb5eb292 |
children |
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/* * This pirelli-magnetite-init special command should ONLY be run * against FreeCalypso Magnetite firmware running on the Pirelli target. * It initializes the FFS for FC Magnetite (essentially TCS211) * appropriately for the Pirelli target, copying the IMEI and the * RF calibration values from Pirelli's factory data block. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "etm.h" #include "ffs.h" #include "tmffs2.h" #include "localtypes.h" #include "exitcodes.h" extern u_char pirelli_imeisv[8]; static write_pcm_imei() { static char destfile[] = "/pcm/IMEI"; u_char swapped[8]; int i, d1, d2; printf("Writing %s\n", destfile); for (i = 0; i < 8; i++) { d1 = pirelli_imeisv[i] >> 4; d2 = pirelli_imeisv[i] & 0xF; swapped[i] = (d2 << 4) | d1; } return do_short_fwrite(destfile, swapped, 8); } static read_mem_region(memaddr, databuf, total_bytes) u32 memaddr; u_char *databuf; { int chunk, remain, rc; for (remain = total_bytes; remain; remain -= chunk) { chunk = remain; if (chunk > MAX_MEMREAD_BYTES) chunk = MAX_MEMREAD_BYTES; rc = do_memory_read(memaddr, databuf, chunk); if (rc) return(rc); memaddr += chunk; databuf += chunk; } return(0); } static copy_calib_record(memaddr, pathname, size) u32 memaddr; char *pathname; int size; { u_char *buf; int rc; buf = malloc(size); if (!buf) { perror("malloc"); exit(ERROR_UNIX); } rc = read_mem_region(memaddr, buf, size); if (rc) { free(buf); return(rc); } rc = write_buf_to_file(pathname, buf, size); free(buf); return(rc); } static struct calmap { u32 offset; int size; char *ti_equiv; } pirelli_cal_map[] = { {0x0528, 2, "/gsm/rf/afcdac"}, {0x06E5, 36, "/sys/adccal"}, {0x072B, 512, "/gsm/rf/tx/ramps.900"}, {0x092C, 128, "/gsm/rf/tx/levels.900"}, {0x09AD, 128, "/gsm/rf/tx/calchan.900"}, {0x0A2E, 512, "/gsm/rf/tx/ramps.1800"}, {0x0C2F, 128, "/gsm/rf/tx/levels.1800"}, {0x0CB0, 128, "/gsm/rf/tx/calchan.1800"}, {0x0D31, 512, "/gsm/rf/tx/ramps.1900"}, {0x0F32, 128, "/gsm/rf/tx/levels.1900"}, {0x0FB3, 128, "/gsm/rf/tx/calchan.1900"}, {0x10AF, 40, "/gsm/rf/rx/calchan.900"}, {0x10D8, 8, "/gsm/rf/rx/agcparams.900"}, {0x10E1, 40, "/gsm/rf/rx/calchan.1800"}, {0x110A, 8, "/gsm/rf/rx/agcparams.1800"}, {0x1113, 40, "/gsm/rf/rx/calchan.1900"}, {0x113C, 8, "/gsm/rf/rx/agcparams.1900"}, {0, 0, 0} }; static copy_calib_data() { struct calmap *tp; int rc; printf("Copying calibration records to FFS\n"); for (tp = pirelli_cal_map; tp->size; tp++) { rc = copy_calib_record(0x027F0000 + tp->offset, tp->ti_equiv, tp->size); if (rc) return(rc); } return(0); } pirelli_magnetite_init() { int rc; rc = get_pirelli_imei(); if (rc) return(rc); printf("Creating TCS211 file system directories\n"); rc = create_std_dirs(); if (rc) return(rc); rc = write_pcm_imei(); if (rc) return(rc); rc = copy_calib_data(); if (rc) return(rc); return set_rfcap("tri900"); }