hci.c (22df2fe23a982f04bc7d9cea1706c93ab2f4706a) hci.c (184dbe2ff5e6ecd28e4dbb9072fce8524e024f1e)
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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4134static void hci_power_transition_to_initializing(void){
4135 // set up state machine
4136 hci_stack->num_cmd_packets = 1; // assume that one cmd can be sent
4137 hci_stack->hci_packet_buffer_reserved = false;
4138 hci_stack->state = HCI_STATE_INITIALIZING;
4139 hci_stack->substate = HCI_INIT_SEND_RESET;
4140}
4141
1/*
2 * Copyright (C) 2014 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

--- 4125 unchanged lines hidden (view full) ---

4134static void hci_power_transition_to_initializing(void){
4135 // set up state machine
4136 hci_stack->num_cmd_packets = 1; // assume that one cmd can be sent
4137 hci_stack->hci_packet_buffer_reserved = false;
4138 hci_stack->state = HCI_STATE_INITIALIZING;
4139 hci_stack->substate = HCI_INIT_SEND_RESET;
4140}
4141
4142static void hci_power_transition_to_halting(void){
4143 // see hci_run
4144 hci_stack->state = HCI_STATE_HALTING;
4145 hci_stack->substate = HCI_HALTING_DISCONNECT_ALL_TIMER;
4146 // setup watchdog timer for disconnect - only triggers if Controller does not respond anymore
4147 btstack_run_loop_set_timer(&hci_stack->timeout, 1000);
4148 btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_halting_timeout_handler);
4149 btstack_run_loop_add_timer(&hci_stack->timeout);
4150}
4151
4142// returns error
4143static int hci_power_control_state_off(HCI_POWER_MODE power_mode){
4144 int err;
4145 switch (power_mode){
4146 case HCI_POWER_ON:
4147 err = hci_power_control_on();
4148 if (err != 0) {
4149 log_error("hci_power_control_on() error %d", err);

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4185}
4186
4187static int hci_power_control_state_working(HCI_POWER_MODE power_mode) {
4188 switch (power_mode){
4189 case HCI_POWER_ON:
4190 // do nothing
4191 break;
4192 case HCI_POWER_OFF:
4152// returns error
4153static int hci_power_control_state_off(HCI_POWER_MODE power_mode){
4154 int err;
4155 switch (power_mode){
4156 case HCI_POWER_ON:
4157 err = hci_power_control_on();
4158 if (err != 0) {
4159 log_error("hci_power_control_on() error %d", err);

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4195}
4196
4197static int hci_power_control_state_working(HCI_POWER_MODE power_mode) {
4198 switch (power_mode){
4199 case HCI_POWER_ON:
4200 // do nothing
4201 break;
4202 case HCI_POWER_OFF:
4193 // see hci_run
4194 hci_stack->state = HCI_STATE_HALTING;
4195 hci_stack->substate = HCI_HALTING_DISCONNECT_ALL_NO_TIMER;
4196 // setup watchdog timer for disconnect - only triggers if Controller does not respond anymore
4197 btstack_run_loop_set_timer(&hci_stack->timeout, 1000);
4198 btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_halting_timeout_handler);
4199 btstack_run_loop_add_timer(&hci_stack->timeout);
4203 hci_power_transition_to_halting();
4200 break;
4201 case HCI_POWER_SLEEP:
4202 // see hci_run
4203 hci_stack->state = HCI_STATE_FALLING_ASLEEP;
4204 hci_stack->substate = HCI_FALLING_ASLEEP_DISCONNECT;
4205 break;
4206 default:
4207 btstack_assert(false);

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4231}
4232
4233static int hci_power_control_state_falling_asleep(HCI_POWER_MODE power_mode) {
4234 switch (power_mode){
4235 case HCI_POWER_ON:
4236 hci_power_transition_to_initializing();
4237 break;
4238 case HCI_POWER_OFF:
4204 break;
4205 case HCI_POWER_SLEEP:
4206 // see hci_run
4207 hci_stack->state = HCI_STATE_FALLING_ASLEEP;
4208 hci_stack->substate = HCI_FALLING_ASLEEP_DISCONNECT;
4209 break;
4210 default:
4211 btstack_assert(false);

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4235}
4236
4237static int hci_power_control_state_falling_asleep(HCI_POWER_MODE power_mode) {
4238 switch (power_mode){
4239 case HCI_POWER_ON:
4240 hci_power_transition_to_initializing();
4241 break;
4242 case HCI_POWER_OFF:
4239 // see hci_run
4240 hci_stack->state = HCI_STATE_HALTING;
4241 hci_stack->substate = HCI_HALTING_DISCONNECT_ALL_NO_TIMER;
4243 hci_power_transition_to_halting();
4242 break;
4243 case HCI_POWER_SLEEP:
4244 // do nothing
4245 break;
4246 default:
4247 btstack_assert(false);
4248 break;
4249 }

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4254 int err;
4255 switch (power_mode){
4256 case HCI_POWER_ON:
4257 err = hci_power_control_wake();
4258 if (err) return err;
4259 hci_power_transition_to_initializing();
4260 break;
4261 case HCI_POWER_OFF:
4244 break;
4245 case HCI_POWER_SLEEP:
4246 // do nothing
4247 break;
4248 default:
4249 btstack_assert(false);
4250 break;
4251 }

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4256 int err;
4257 switch (power_mode){
4258 case HCI_POWER_ON:
4259 err = hci_power_control_wake();
4260 if (err) return err;
4261 hci_power_transition_to_initializing();
4262 break;
4263 case HCI_POWER_OFF:
4262 hci_stack->state = HCI_STATE_HALTING;
4263 hci_stack->substate = HCI_HALTING_DISCONNECT_ALL_NO_TIMER;
4264 hci_power_transition_to_halting();
4264 break;
4265 case HCI_POWER_SLEEP:
4266 // do nothing
4267 break;
4268 default:
4269 btstack_assert(false);
4270 break;
4271 }

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4334 if (!hci_can_send_command_packet_now()) return;
4335
4336 // check state
4337 if (connection->state == SENT_DISCONNECT) return;
4338 connection->state = SENT_DISCONNECT;
4339
4340 log_info("HCI_STATE_HALTING, connection %p, handle %u", connection, con_handle);
4341
4265 break;
4266 case HCI_POWER_SLEEP:
4267 // do nothing
4268 break;
4269 default:
4270 btstack_assert(false);
4271 break;
4272 }

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4335 if (!hci_can_send_command_packet_now()) return;
4336
4337 // check state
4338 if (connection->state == SENT_DISCONNECT) return;
4339 connection->state = SENT_DISCONNECT;
4340
4341 log_info("HCI_STATE_HALTING, connection %p, handle %u", connection, con_handle);
4342
4342 // cancel all l2cap connections right away instead of waiting for disconnection complete event ...
4343 hci_emit_disconnection_complete(con_handle, 0x16); // terminated by local host
4344
4345 // ... which would be ignored anyway as we shutdown (free) the connection now
4346 hci_shutdown_connection(connection);
4347
4348 // finally, send the disconnect command
4349 hci_send_cmd(&hci_disconnect, con_handle, ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION);
4350 return;
4351 }
4352
4353 btstack_run_loop_remove_timer(&hci_stack->timeout);
4354
4355 if (hci_stack->substate == HCI_HALTING_DISCONNECT_ALL_TIMER) {

--- 3466 unchanged lines hidden --- 		4343 // finally, send the disconnect command
4344 hci_send_cmd(&hci_disconnect, con_handle, ERROR_CODE_REMOTE_USER_TERMINATED_CONNECTION);
4345 return;
4346 }
4347
4348 btstack_run_loop_remove_timer(&hci_stack->timeout);
4349
4350 if (hci_stack->substate == HCI_HALTING_DISCONNECT_ALL_TIMER) {

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