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reset baud rate after downloading broadcom init script

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This commit is contained in:
Matthias Ringwald 2016-01-04 12:04:50 +01:00
parent d19678c809
commit 92a0d36dfa
1 changed files with 15 additions and 1 deletions
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16
src/hci.c
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@ -940,7 +940,21 @@ static void hci_initializing_run(void){
hci_stack->hci_transport->send_packet(HCI_COMMAND_DATA_PACKET, hci_stack->hci_packet_buffer, size);
break;
}
log_info("hci_run: init script done");
log_info("hci_run: init script done");
// Init script download causes baud rate to reset on Broadcom chipsets, restore UART baud rate if needed
if (hci_stack->manufacturer == 0x000f){
int need_baud_change = hci_stack->config
&& hci_stack->control
&& hci_stack->control->baudrate_cmd
&& hci_stack->hci_transport->set_baudrate
&& ((hci_uart_config_t *)hci_stack->config)->baudrate_main;
if (need_baud_change) {
uint32_t baud_rate = ((hci_uart_config_t *)hci_stack->config)->baudrate_init;
log_info("Local baud rate change to %"PRIu32" after init script", baud_rate);
hci_stack->hci_transport->set_baudrate(baud_rate);
}
}
}
// otherwise continue
hci_stack->substate = HCI_INIT_W4_READ_LOCAL_SUPPORTED_COMMANDS;