mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-01-03 23:47:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

btstack_uart_block_windows: allow to call open again

Browse Source
This commit is contained in:
Matthias Ringwald 2020-07-16 16:20:41 +02:00
parent 14b5610872
commit e58afcb452
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
platform/windows/btstack_uart_block_windows.c
View File

@ -78,6 +78,9 @@ static HANDLE serial_port_handle;
static OVERLAPPED overlapped_read;
static OVERLAPPED overlapped_write;
// fix for chipset drivers that need to download firmware before stack starts up
bool serial_port_open = false;
// -- engine that retries send/receive if not all bytes have been transferred
static void btstack_uart_windows_send_engine(void){
@ -321,6 +324,12 @@ static int btstack_uart_windows_set_flowcontrol(int flowcontrol){
static int btstack_uart_windows_open(void){
// allow to call open again
if (serial_port_open){
log_info("Serial port already open");
return 0;
}
const char * device_name = uart_config->device_name;
const uint32_t baudrate = uart_config->baudrate;
const int flowcontrol = uart_config->flowcontrol;
@ -333,7 +342,7 @@ static int btstack_uart_windows_open(void){
FILE_FLAG_OVERLAPPED,
0);
if (device_name == INVALID_HANDLE_VALUE){
if (serial_port_handle == INVALID_HANDLE_VALUE){
log_error("windows_open: Unable to open port %s", device_name);
return -1;
}
@ -407,11 +416,15 @@ static int btstack_uart_windows_open(void){
btstack_run_loop_add_data_source(&transport_data_source_read);
btstack_run_loop_add_data_source(&transport_data_source_write);
serial_port_open = true;
return 0;
}
static int btstack_uart_windows_close_new(void){
serial_port_open = false;
// first remove run loop handler
btstack_run_loop_remove_data_source(&transport_data_source_read);
btstack_run_loop_remove_data_source(&transport_data_source_write);