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authorBrandon Bayer <bbayer@multitech.com>2016-02-09 13:08:31 -0600
committerBrandon Bayer <bbayer@multitech.com>2016-02-10 14:04:53 -0600
commitdcd2eb11c9dfdc5b7691edfaaf3f4a28aa606ea9 (patch)
tree95edabffb22901584558dd84e2c168b443c90796 /src
parent568c7e7196537397c99eb1547f61788b4d95b0f7 (diff)
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fix: cdma pdu data length for C2 radios
Diffstat (limited to 'src')
-rw-r--r--src/pdu.h2
-rw-r--r--src/pdu_decode.c15
-rw-r--r--src/pdu_encode.c7
3 files changed, 14 insertions, 10 deletions
diff --git a/src/pdu.h b/src/pdu.h
index 35c43a6..60243ec 100644
--- a/src/pdu.h
+++ b/src/pdu.h
@@ -119,7 +119,7 @@ int pdu_user_data_read(int fd, struct pdu_info *pdu);
#define cycledown(n, mod) ((mod - 1) - ((n) % (mod)))
//Returns the number of octets the given septets (normal ascii) can be encoded to
-#define octets_from_septets(n) ((((n) * 7) + ((-(n) * 7) & 7)) / 8)
+#define octets_from_septets(n) ((((n) * 7) + ((-(n) * 7) & 7)) / 8)
//Returns the number of septets the given octets will decode to
#define septets_from_octets(n) ((n) * 8 / 7)
diff --git a/src/pdu_decode.c b/src/pdu_decode.c
index d7def28..7c36385 100644
--- a/src/pdu_decode.c
+++ b/src/pdu_decode.c
@@ -227,15 +227,18 @@ int pdu_decode_user_data(const char *pdu_str, struct pdu_info *pdu, int *nr_octe
// CDMA 7-BIT ENCODING
} else if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
- // LE910-SVG stores data length as # of septets
- if (!strcmp(Global.core.model, "LE910-SVG")) {
- *nr_octets = octets_from_septets(pdu->user_data_len);
- }
- // Other CDMA radios store data length as # of octets
- else {
+ if (!strcmp(Global.core.model, "DE910-DUAL")) {
+ // DE910-DUAL stores data length as # of octets
+ log_debug("counting PDU length byte as number of octets (DE910-DUAL)");
*nr_octets = pdu->user_data_len;
pdu->user_data_len = septets_from_octets(pdu->user_data_len);
}
+ else {
+ // Other CDMA radios store data length as # of septets
+ log_debug("counting PDU length byte as number of septets");
+ *nr_octets = octets_from_septets(pdu->user_data_len);
+ }
+
if (pdu->user_data_len > PDU_UD_7BIT_MAX) {
log_warning("pdu contains invalid user-data-len: 0x%02X", pdu->user_data_len);
diff --git a/src/pdu_encode.c b/src/pdu_encode.c
index 65d2316..f8d6160 100644
--- a/src/pdu_encode.c
+++ b/src/pdu_encode.c
@@ -277,13 +277,14 @@ int pdu_encode_user_data(char *pdu_str, size_t len, struct pdu_info *pdu, int *n
return -1;
}
- if (pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) {
+ if ((pdu->data_coding.general.alphabet == PDU_ALPHABET_CDMA_DEFAULT) &&
+ !strcmp(Global.core.model, "DE910-DUAL")) {
// user_data_len is stored as number of encoded octets
- // (but GSM is stored as originial # of septets)
- log_debug("putting nr_octets into PDU as data length (CDMA)");
+ log_debug("putting nr_octets into PDU as data length (DE910-DUAL)");
tmp = hex_byte_encode(pdu_str, len, *nr_octets);
}
else {
+ // user_data_len is stored as number of septets
log_debug("putting user_data_len into PDU as data length");
tmp = hex_byte_encode(pdu_str, len, pdu->user_data_len);
}