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hci: wait 10 ms after init script download on Broadcom chipsets

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This commit is contained in:
Matthias Ringwald 2017-02-01 12:23:23 +01:00
parent d982552ac9
commit 559961d085
2 changed files with 20 additions and 4 deletions
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17
src/hci.c
View File

@ -972,6 +972,11 @@ static void hci_initialization_timeout_handler(btstack_timer_source_t * ds){
hci_run();
}
break;
case HCI_INIT_W4_CUSTOM_INIT_BCM_DELAY:
// otherwise continue
hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS;
hci_send_cmd(&hci_read_local_supported_commands);
break;
default:
break;
}
@ -1081,8 +1086,9 @@ static void hci_initializing_run(void){
}
log_info("Init script done");
// Init script download causes baud rate to reset on Broadcom chipsets, restore UART baud rate if needed
// Init script download on Broadcom chipsets causes:
if (hci_stack->manufacturer == COMPANY_ID_BROADCOM_CORPORATION){
// - baud rate to reset, restore UART baud rate if needed
int need_baud_change = hci_stack->config
&& hci_stack->chipset
&& hci_stack->chipset->set_baudrate_command
@ -1093,6 +1099,15 @@ static void hci_initializing_run(void){
log_info("Local baud rate change to %"PRIu32" after init script (bcm)", baud_rate);
hci_stack->hci_transport->set_baudrate(baud_rate);
}
// - RTS will raise during update, but manual RTS/CTS in WICED port on RedBear Duo cannot handle this
// -> Work around: wait a few milliseconds here.
log_info("BCM delay after init script");
hci_stack->substate = HCI_INIT_W4_CUSTOM_INIT_BCM_DELAY;
btstack_run_loop_set_timer(&hci_stack->timeout, 10);
btstack_run_loop_set_timer_handler(&hci_stack->timeout, hci_initialization_timeout_handler);
btstack_run_loop_add_timer(&hci_stack->timeout);
break;
}
}
// otherwise continue

1
src/hci.h
View File

@ -507,6 +507,7 @@ typedef enum hci_init_state{
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_W4_CUSTOM_INIT_BCM_DELAY,
HCI_INIT_READ_LOCAL_SUPPORTED_COMMANDS,
HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS,