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hfp: rewrite handle rfcomm event

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This commit is contained in:
Milanka Ringwald 2015-07-30 11:10:50 +02:00
parent ccdc2589e1
commit eaed9f4c4a
2 changed files with 42 additions and 58 deletions
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2
src/hfp.c
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@ -182,7 +182,7 @@ static hfp_connection_t * create_hfp_connection_context(){
// init state
context->state = HFP_IDLE;
context->line_size = 0;
context->parser_state = HFP_CMD_HEADER;
context->parser_state = HFP_PARSER_CMD_HEADER;
context->command = HFP_CMD_NONE;
context->negotiated_codec = HFP_CODEC_CVSD;

98
src/hfp_hf.c
View File

@ -232,7 +232,7 @@ static void hfp_run_for_context(hfp_connection_t * connection){
}
void update_command(hfp_connection_t * context){
context->command = HFP_CMD_NONE;
context->command = HFP_CMD_NONE;
if (strncmp((char *)context->line_buffer, HFP_OK, strlen(HFP_OK)) == 0){
context->command = HFP_CMD_OK;
printf("Received OK\n");
@ -277,7 +277,7 @@ void update_command(hfp_connection_t * context){
}
}
static void hfp_parse2(hfp_connection_t * context, uint8_t byte){
static void hfp_parse(hfp_connection_t * context, uint8_t byte){
int i;
if (byte == ' ') return;
if ( (byte == '\n' || byte == '\r') && context->parser_state > HFP_PARSER_CMD_SEQUENCE) return;
@ -323,6 +323,7 @@ static void hfp_parse2(hfp_connection_t * context, uint8_t byte){
printf("AG supported feature: %s\n", hfp_ag_feature(i));
}
}
context->command = HFP_CMD_NONE;
context->parser_state = HFP_PARSER_CMD_HEADER;
break;
case HFP_W4_RETRIEVE_INDICATORS:
@ -349,10 +350,12 @@ static void hfp_parse2(hfp_connection_t * context, uint8_t byte){
break;
}
if (byte == '\n' || byte == '\r'){
context->command = HFP_CMD_NONE;
context->parser_state = HFP_PARSER_CMD_HEADER;
break;
}
if (byte == ')' && context->state == HFP_W4_RETRIEVE_CAN_HOLD_CALL){ // tuple separated mit comma
context->command = HFP_CMD_NONE;
context->parser_state = HFP_PARSER_CMD_HEADER;
break;
}
@ -402,57 +405,24 @@ static void hfp_parse2(hfp_connection_t * context, uint8_t byte){
}
}
int wait_for_more_cmd_data(hfp_connection_t * context){
return context->command == HFP_CMD_NONE;
}
int wait_for_more_data(hfp_connection_t * context){
return context->parser_state != 0;
}
static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
hfp_connection_t * context = provide_hfp_connection_context_for_rfcomm_cid(channel);
if (!context) return;
packet[size] = 0;
int pos = 0;
context->command = HFP_CMD_NONE;
while (wait_for_more_cmd_data(context) && pos < size){
hfp_parse2(context, packet[pos++]);
}
if (wait_for_more_cmd_data(context)) return;
// printf("context->command %d == %d OK \n", context->command, HFP_CMD_OK);
if (context->command == HFP_CMD_OK){
context->wait_ok = 0;
switch (context->state){
case HFP_W4_NOTIFY_ON_CODECS:
printf("switch on OK: HFP_RETRIEVE_INDICATORS\n");
context->state = HFP_RETRIEVE_INDICATORS;
break;
case HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE:
printf("switch on OK: HFP_W4_ENABLE_INDICATORS_STATUS_UPDATE\n");
context->state = HFP_RETRIEVE_CAN_HOLD_CALL;
break;
case HFP_W4_LIST_GENERIC_STATUS_INDICATORS:
printf("switch on OK: HFP_W4_LIST_GENERIC_STATUS_INDICATORS\n");
context->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS;
break;
default:
break;
}
return;
}
while (wait_for_more_data(context) && pos < size){
hfp_parse2(context, packet[pos++]);
}
if (wait_for_more_data(context)) return;
void handle_switch_on_ok(hfp_connection_t *context){
printf("handle switch on OK\n");
switch (context->state){
case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS:
context->remote_hf_indicators_status = 0;
context->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS;
break;
case HFP_W4_NOTIFY_ON_CODECS:
printf("switch on OK: HFP_RETRIEVE_INDICATORS\n");
context->state = HFP_RETRIEVE_INDICATORS;
break;
case HFP_W4_LIST_GENERIC_STATUS_INDICATORS:
printf("switch on OK: HFP_W4_LIST_GENERIC_STATUS_INDICATORS\n");
context->state = HFP_RETRIEVE_GENERIC_STATUS_INDICATORS;
break;
case HFP_W4_EXCHANGE_SUPPORTED_FEATURES:
if (has_codec_negotiation_feature(context)){
context->state = HFP_NOTIFY_ON_CODECS;
@ -501,17 +471,31 @@ static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8
context->state = HFP_ACTIVE;
break;
case HFP_W4_RETRIEVE_GENERIC_STATUS_INDICATORS:
context->remote_hf_indicators_status = 0;
context->state = HFP_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS;
break;
case HFP_W4_RETRIEVE_INITITAL_STATE_GENERIC_STATUS_INDICATORS:
printf("Supported initial state generic status indicators \n");
break;
default:
return;
break;
}
// done
context->command = HFP_CMD_NONE;
}
static void hfp_handle_rfcomm_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
hfp_connection_t * context = provide_hfp_connection_context_for_rfcomm_cid(channel);
if (!context) return;
packet[size] = 0;
int pos;
for (pos = 0; pos < size ; pos++){
hfp_parse(context, packet[pos]);
// trigger next action after CMD received
if (context->command != HFP_CMD_OK) continue;
handle_switch_on_ok(context);
}
context->wait_ok = 1;
}
static void hfp_run(){