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authorMatthias P. Braendli <matthias.braendli@mpb.li>2014-11-22 09:49:37 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2014-11-22 09:49:37 +0100
commita3dcff8ca93859388cfe400c5a369fd51b67b7e5 (patch)
tree7f2c9e6cba4de3665bed2b72aad8edc86635a1bf /etisnoop
parentd76625d458886093f6330732083fbc85f4f50c06 (diff)
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ETISnoop parse FIG0/1
Diffstat (limited to 'etisnoop')
-rw-r--r--etisnoop/etisnoop.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/etisnoop/etisnoop.cpp b/etisnoop/etisnoop.cpp
index a915e90..9730d5c 100644
--- a/etisnoop/etisnoop.cpp
+++ b/etisnoop/etisnoop.cpp
@@ -604,6 +604,63 @@ void decodeFIG(std::vector<struct FIG> &figs,
}
break;
+ case 1: // FIG 0/1 basic subchannel organisation
+ {
+ int i = 1;
+
+ while (i < figlen-3) {
+ // iterate over subchannels
+ int subch_id = f[i] >> 2;
+ int start_addr = (f[i] << 6) |
+ (f[i+1]);
+ int long_flag = (f[i+2] >> 7);
+
+ if (long_flag) {
+ int option = (f[i+2] >> 4) & 0x0F;
+ int protection_level = (f[i+2] >> 2) & 0x03;
+ int subchannel_size = ((f[i+2] & 0x03) << 6 ) |
+ f[i+3];
+
+ i += 4;
+
+ if (option = 0x00) {
+ sprintf(desc,
+ "Subch 0x%x, start_addr %d, long, EEP %d-A, subch size %d",
+ subch_id, start_addr, protection_level, subchannel_size);
+ }
+ else if (option = 0x01) {
+ sprintf(desc,
+ "Subch 0x%x, start_addr %d, long, EEP %d-B, subch size %d",
+ subch_id, start_addr, protection_level, subchannel_size);
+ }
+ else {
+ sprintf(desc,
+ "Subch 0x%x, start_addr %d, long, invalid option %d, protection %d, subch size %d",
+ subch_id, start_addr, option, protection_level, subchannel_size);
+ }
+ }
+ else {
+ int table_switch = (f[i+2] >> 6) & 0x01;
+ unsigned int table_index = (f[i+2] & 0x3F);
+
+
+ if (table_switch == 0) {
+ sprintf(desc,
+ "Subch 0x%x, start_addr %d, short, table index %d",
+ subch_id, start_addr, table_index);
+ }
+ else {
+ sprintf(desc,
+ "Subch 0x%x, start_addr %d, short, invalid table_switch(=1), table index %d",
+ subch_id, start_addr, table_index);
+ }
+
+ i += 3;
+ }
+ printbuf(desc, indent+1, NULL, 0);
+ }
+
+ }
case 2: // FIG 0/2
{
unsigned short int sref, sid;