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disable page and inquiry scan when entering sleep mode

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matthias.ringwald 2011-01-30 17:38:07 +00:00
parent 574e07e180
commit 89db417b22
1 changed files with 47 additions and 18 deletions
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65
src/hci.c
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@ -488,7 +488,14 @@ static void event_handler(uint8_t *packet, int size){
} }
} }
} }
// help with BT sleep
if (hci_stack.state == HCI_STATE_FALLING_ASLEEP
&& hci_stack.substate == 1
&& COMMAND_COMPLETE_EVENT(packet, hci_write_scan_enable)){
hci_stack.substate++;
}
hci_stack.packet_handler(HCI_EVENT_PACKET, packet, size); hci_stack.packet_handler(HCI_EVENT_PACKET, packet, size);
// execute main loop // execute main loop
@ -696,6 +703,7 @@ int hci_power_control(HCI_POWER_MODE power_mode){
case HCI_POWER_SLEEP: case HCI_POWER_SLEEP:
// see hci_run // see hci_run
hci_stack.state = HCI_STATE_FALLING_ASLEEP; hci_stack.state = HCI_STATE_FALLING_ASLEEP;
hci_stack.substate = 0;
break; break;
} }
break; break;
@ -713,6 +721,7 @@ int hci_power_control(HCI_POWER_MODE power_mode){
case HCI_POWER_SLEEP: case HCI_POWER_SLEEP:
// see hci_run // see hci_run
hci_stack.state = HCI_STATE_FALLING_ASLEEP; hci_stack.state = HCI_STATE_FALLING_ASLEEP;
hci_stack.substate = 0;
break; break;
} }
break; break;
@ -817,7 +826,7 @@ void hci_run(){
hci_send_cmd(&hci_write_page_timeout, 0x6000); hci_send_cmd(&hci_write_page_timeout, 0x6000);
break; break;
case 4: case 4:
hci_send_cmd(&hci_write_scan_enable, 3); // 3 inq scan + page scan hci_send_cmd(&hci_write_scan_enable, 2); // page scan
break; break;
case 5: case 5:
#ifndef EMBEDDED #ifndef EMBEDDED
@ -866,23 +875,43 @@ void hci_run(){
break; break;
case HCI_STATE_FALLING_ASLEEP: case HCI_STATE_FALLING_ASLEEP:
// close all open connections switch(hci_stack.substate) {
connection = (hci_connection_t *) hci_stack.connections; case 0:
if (connection){ log_dbg("HCI_STATE_FALLING_ASLEEP\n");
// send disconnect // close all open connections
hci_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // remote closed connection connection = (hci_connection_t *) hci_stack.connections;
if (connection){
// send disconnected event right away - causes higher layer connections to get closed, too. log_dbg("HCI_STATE_FALLING_ASLEEP, connection %u, handle %u\n", (int) connection, connection->con_handle);
hci_shutdown_connection(connection); // send disconnect
hci_send_cmd(&hci_disconnect, connection->con_handle, 0x13); // remote closed connection
// remove from table
hci_stack.connections = connection->item.next; // send disconnected event right away - causes higher layer connections to get closed, too.
return; hci_shutdown_connection(connection);
// remove from table
hci_stack.connections = connection->item.next;
return;
}
log_dbg("HCI_STATE_HALTING, disabling inq & page scans\n");
// disable page and inquiry scan
hci_send_cmd(&hci_write_scan_enable, 0); // none
// continue in next sub state
hci_stack.substate++;
break;
case 1:
// wait for command complete "hci_write_scan_enable" in event_handler();
break;
case 2:
log_dbg("HCI_STATE_HALTING, calling sleep\n");
// switch mode
hci_power_control_sleep(); // changes hci_stack.state to SLEEP
hci_emit_state();
default:
break;
} }
// switch mode
hci_power_control_sleep();
hci_emit_state();
break; break;
default: default: