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stk: Add parser for bcch channel list objects

This commit is contained in:
Yang Gu 2010-06-13 17:43:19 +08:00 committed by Denis Kenzior
parent db941ff556
commit 37afdf1ca5
2 changed files with 39 additions and 0 deletions
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29
src/stkutil.c
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@ -832,6 +832,33 @@ static gboolean parse_dataobj_transaction_id(
return TRUE;
}
/* Defined in TS 31.111 Section 8.29 */
static gboolean parse_dataobj_bcch_channel_list(
struct comprehension_tlv_iter *iter, void *user)
{
struct stk_bcch_channel_list *bcl = user;
const unsigned char *data;
unsigned int len = comprehension_tlv_iter_get_length(iter);
unsigned int i;
if (len < 1)
return FALSE;
data = comprehension_tlv_iter_get_data(iter);
bcl->num = len * 8 / 10;
for (i = 0; i < bcl->num; i++) {
unsigned int index = i * 10 / 8;
unsigned int occupied = i * 10 % 8;
bcl->channel[i] = (data[index] << (2 + occupied)) +
(data[index + 1] >> (6 - occupied));
}
return TRUE;
}
/* Defined in TS 102.223 Section 8.30 */
static gboolean parse_dataobj_call_control_requested_action(
struct comprehension_tlv_iter *iter, void *user)
@ -1955,6 +1982,8 @@ static dataobj_handler handler_for_type(enum stk_data_object_type type)
return parse_dataobj_location_status;
case STK_DATA_OBJECT_TYPE_TRANSACTION_ID:
return parse_dataobj_transaction_id;
case STK_DATA_OBJECT_TYPE_BCCH_CHANNEL_LIST:
return parse_dataobj_bcch_channel_list;
case STK_DATA_OBJECT_TYPE_CALL_CONTROL_REQUESTED_ACTION:
return parse_dataobj_call_control_requested_action;
case STK_DATA_OBJECT_TYPE_ICON_ID:

10
src/stkutil.h
View File

@ -709,6 +709,16 @@ struct stk_transaction_id {
unsigned int len;
};
/*
* According to 31.111 Section 8.29 the length of CTLV is 1 byte. This means
* that the maximum size is 127 according to the rules of CTLVs. Each channel
* is represented as 10 bits, so the maximum number of channel is 127*8/10=101.
*/
struct stk_bcch_channel_list {
unsigned short channel[101];
unsigned int num;
};
/*
* Defined in TS 102.223 Section 8.31
* Icon ID denotes a file on the SIM filesystem. Since EF cannot have record