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stop all baseband connections on HCI_POWER_OFF

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This commit is contained in:
matthias.ringwald 2011-01-06 23:45:57 +00:00
parent 15d7b8a815
commit c7e0c5f6bb
1 changed files with 56 additions and 20 deletions
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76
src/hci.c
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@ -305,6 +305,16 @@ static void acl_handler(uint8_t *packet, int size){
hci_run();
}
static hci_shutdown_connection(hci_connection_t *conn){
log_dbg("Connection closed: handle %u, ", conn->con_handle);
print_bd_addr( conn->address );
log_dbg("\n");
run_loop_remove_timer(&conn->timeout);
linked_list_remove(&hci_stack.connections, (linked_item_t *) conn);
free( conn );
hci_emit_nr_connections_changed();
}
// avoid huge local variables
static device_name_t device_name;
static void event_handler(uint8_t *packet, int size){
@ -452,13 +462,7 @@ static void event_handler(uint8_t *packet, int size){
handle = READ_BT_16(packet, 3);
hci_connection_t * conn = connection_for_handle(handle);
if (conn) {
log_dbg("Connection closed: handle %u, ", conn->con_handle);
print_bd_addr( conn->address );
log_dbg("\n");
run_loop_remove_timer(&conn->timeout);
linked_list_remove(&hci_stack.connections, (linked_item_t *) conn);
free( conn );
hci_emit_nr_connections_changed();
hci_shutdown_connection(conn);
}
}
break;
@ -543,6 +547,18 @@ void hci_close(){
}
}
static void hci_power_control_off(){
// close all open connections
// close low-level device
hci_stack.hci_transport->close(hci_stack.config);
// power off
if (hci_stack.control && hci_stack.control->off){
(*hci_stack.control->off)(hci_stack.config);
}
}
int hci_power_control(HCI_POWER_MODE power_mode){
if (power_mode == HCI_POWER_ON && hci_stack.state == HCI_STATE_OFF) {
@ -575,16 +591,9 @@ int hci_power_control(HCI_POWER_MODE power_mode){
} else if (power_mode == HCI_POWER_OFF && hci_stack.state == HCI_STATE_WORKING){
// close low-level device
hci_stack.hci_transport->close(hci_stack.config);
// power off
if (hci_stack.control && hci_stack.control->off){
(*hci_stack.control->off)(hci_stack.config);
}
// see hci_run
hci_stack.state = HCI_STATE_HALTING;
// we're off now
hci_stack.state = HCI_STATE_OFF;
}
// create internal event
@ -598,16 +607,19 @@ int hci_power_control(HCI_POWER_MODE power_mode){
void hci_run(){
if (hci_stack.num_cmd_packets == 0) {
// cannot send command yet
return;
}
hci_connection_t * connection;
switch (hci_stack.state){
case HCI_STATE_INITIALIZING:
if (hci_stack.substate % 2) {
// odd: waiting for command completion
return;
}
if (hci_stack.num_cmd_packets == 0) {
// cannot send command yet
return;
}
switch (hci_stack.substate >> 1){
case 0:
hci_send_cmd(&hci_reset);
@ -656,6 +668,30 @@ void hci_run(){
}
hci_stack.substate++;
break;
case HCI_STATE_HALTING:
// close all open connections
connection = (hci_connection_t *) hci_stack.connections;
if (connection){
// send disconnect
bt_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // remote closed connection
// send disconnected event right away - causes higher layer connections to get closed, too.
hci_shutdown_connection(connection);
// remove from table
hci_stack.connections = connection->item.next;
return;
}
hci_power_control_off();
// we're off now
hci_stack.state = HCI_STATE_OFF;
hci_emit_state();
break;
default:
break;
}