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hfp: generalized hfp ag cmd generator

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This commit is contained in:
Matthias Ringwald 2015-12-18 15:29:36 +01:00
parent b040a000e8
commit e81f58c742
1 changed files with 14 additions and 5 deletions
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19
src/hfp_ag.c
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@ -383,8 +383,11 @@ static int hfp_ag_call_services_join(char * buffer, int buffer_size){
return offset; return offset;
} }
// returns next segment to store static int hfp_ag_cmd_via_generator(uint16_t cid, hfp_connection_t * context,
static int hfp_ag_retrieve_indicators_cmd_via_generator(uint16_t cid, hfp_connection_t * context, int start_segment){ int start_segment, int num_segments,
int (*get_segment_len)(hfp_connection_t * context, int segment),
void (*store_segment) (hfp_connection_t * context, int segment, uint8_t * buffer)){
// assumes: can send now == true // assumes: can send now == true
// assumes: num segments > 0 // assumes: num segments > 0
rfcomm_reserve_packet_buffer(); rfcomm_reserve_packet_buffer();
@ -392,11 +395,10 @@ static int hfp_ag_retrieve_indicators_cmd_via_generator(uint16_t cid, hfp_connec
uint8_t * data = rfcomm_get_outgoing_buffer(); uint8_t * data = rfcomm_get_outgoing_buffer();
int offset = 0; int offset = 0;
int segment = start_segment; int segment = start_segment;
int num_segments = hfp_ag_indicators_cmd_generator_num_segments(context);
while (segment < num_segments){ while (segment < num_segments){
int segment_len = hfp_ag_indicators_cmd_generator_get_segment_len(context, segment); int segment_len = get_segment_len(context, segment);
if (offset + segment_len <= mtu){ if (offset + segment_len <= mtu){
hgp_ag_indicators_cmd_generator_store_segment(context, segment, data+offset); store_segment(context, segment, data+offset);
offset += segment_len; offset += segment_len;
segment++; segment++;
} }
@ -405,6 +407,13 @@ static int hfp_ag_retrieve_indicators_cmd_via_generator(uint16_t cid, hfp_connec
return segment; return segment;
} }
// returns next segment to store
static int hfp_ag_retrieve_indicators_cmd_via_generator(uint16_t cid, hfp_connection_t * context, int start_segment){
int num_segments = hfp_ag_indicators_cmd_generator_num_segments(context);
return hfp_ag_cmd_via_generator(cid, context, start_segment, num_segments,
hfp_ag_indicators_cmd_generator_get_segment_len, hgp_ag_indicators_cmd_generator_store_segment);
}
static int hfp_ag_retrieve_indicators_status_cmd(uint16_t cid){ static int hfp_ag_retrieve_indicators_status_cmd(uint16_t cid){
char buffer[40]; char buffer[40];
int offset = snprintf(buffer, sizeof(buffer), "\r\n%s:", HFP_INDICATOR); int offset = snprintf(buffer, sizeof(buffer), "\r\n%s:", HFP_INDICATOR);