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h5: add fixed to handle H5 state reset after CSR Warm Boot

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This commit is contained in:
Matthias Ringwald 2016-04-13 18:19:45 +02:00
parent 200f5f4d16
commit 9f0074223d
2 changed files with 42 additions and 1 deletions
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42
src/hci.c
View File

@ -867,6 +867,13 @@ static void hci_initialization_timeout_handler(btstack_timer_source_t * ds){
hci_stack->num_cmd_packets = 1;
hci_run();
break;
case HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT_LINK_RESET:
log_info("Resend HCI Reset - CSR Warm Boot with Link Reset");
if (hci_stack->hci_transport->reset_link){
hci_stack->hci_transport->reset_link();
}
// NOTE: explicit fallthrough to HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT
case HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT:
log_info("Resend HCI Reset - CSR Warm Boot");
hci_stack->substate = HCI_INIT_SEND_RESET_CSR_WARM_BOOT;
@ -978,7 +985,7 @@ static void hci_initializing_run(void){
&& hci_transport_uart_get_main_baud_rate()){
hci_stack->substate = HCI_INIT_W4_SEND_BAUD_CHANGE;
} else {
hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT;
hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT_LINK_RESET;
}
break;
}
@ -1163,6 +1170,33 @@ static void hci_initializing_event_handler(uint8_t * packet, uint16_t size){
}
}
// CSR & H5
// Fix: Command Complete for HCI Reset in HCI_INIT_W4_SEND_READ_LOCAL_VERSION_INFORMATION trigger resend
if (!command_completed
&& hci_event_packet_get_type(packet) == HCI_EVENT_COMMAND_COMPLETE
&& hci_stack->substate == HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS){
uint16_t opcode = little_endian_read_16(packet,3);
if (opcode == hci_reset.opcode){
hci_stack->substate = HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS;
return;
}
}
// on CSR with BCSP/H5, the reset resend timeout leads to substate == HCI_INIT_SEND_RESET or HCI_INIT_SEND_RESET_CSR_WARM_BOOT
// fix: Correct substate and behave as command below
if (command_completed){
switch (hci_stack->substate){
case HCI_INIT_SEND_RESET:
hci_stack->substate = HCI_INIT_W4_SEND_RESET;
break;
case HCI_INIT_SEND_RESET_CSR_WARM_BOOT:
hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT;
break;
default:
break;
}
}
if (!command_completed) return;
@ -1178,6 +1212,12 @@ static void hci_initializing_event_handler(uint8_t * packet, uint16_t size){
&& hci_stack->chipset->set_bd_addr_command;
switch(hci_stack->substate){
case HCI_INIT_SEND_RESET:
// on CSR with H5/BCSP, resend triggers resend of HCI Reset and leads to substate == HCI_INIT_SEND_RESET
// fix: just correct substate and behave as command below
hci_stack->substate = HCI_INIT_W4_SEND_RESET;
btstack_run_loop_remove_timer(&hci_stack->timeout);
break;
case HCI_INIT_W4_SEND_RESET:
btstack_run_loop_remove_timer(&hci_stack->timeout);
break;

1
src/hci.h
View File

@ -429,6 +429,7 @@ typedef enum hci_init_state{
HCI_INIT_W4_CUSTOM_INIT,
HCI_INIT_SEND_RESET_CSR_WARM_BOOT,
HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT,
HCI_INIT_W4_CUSTOM_INIT_CSR_WARM_BOOT_LINK_RESET,
HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS,
HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS,