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windows: support set_flowcontrol

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This commit is contained in:
Matthias Ringwald 2017-07-25 21:29:11 +02:00
parent 79d9f1ed77
commit 6ae5f6886d
1 changed files with 44 additions and 18 deletions
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62
platform/windows/btstack_uart_block_windows.c
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@ -229,6 +229,19 @@ static void btstack_uart_windows_receive_block(uint8_t *buffer, uint16_t len){
btstack_run_loop_enable_data_source_callbacks(&transport_data_source_read, DATA_SOURCE_CALLBACK_READ);
}
static void btstack_uart_windows_set_baudrate_option(DCB * serial_params, uint32_t baudrate){
serial_params->BaudRate = baudrate;
}
static void btstack_uart_windows_set_parity_option(DCB * serial_params, uint32_t parity){
serial_params->Parity = baudrate;
}
static void btstack_uart_windows_set_flowcontrol_option(DCB * serial_params, uint32_t flowcontrol){
// Flowcontrol
serial_params->fOutxCtsFlow = flowcontrol;
serial_params->fRtsControl = flowcontrol ? RTS_CONTROL_HANDSHAKE : 0;
}
static int btstack_uart_windows_set_baudrate(uint32_t baudrate){
DCB serial_params;
@ -236,14 +249,11 @@ static int btstack_uart_windows_set_baudrate(uint32_t baudrate){
serial_params.DCBlength = sizeof(DCB);
int ok = GetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_baudrate: Couldn't get serial parameters");
return -1;
}
serial_params.BaudRate = baudrate;
btstack_uart_windows_set_baudrate_option(&serial_params, baudrate);
ok = SetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_baudrate: Couldn't serial parameters");
@ -253,21 +263,17 @@ static int btstack_uart_windows_set_baudrate(uint32_t baudrate){
return 0;
}
static int btstack_uart_windows_set_parity(int parity){
DCB serial_params;
memset(&serial_params, 0, sizeof(DCB));
serial_params.DCBlength = sizeof(DCB);
int ok = GetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_parity: Couldn't get serial parameters");
return -1;
}
serial_params.Parity = parity;
btstack_uart_windows_set_parity_option(&serial_params, parity);
ok = SetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_parity: Couldn't serial parameters");
@ -276,6 +282,25 @@ static int btstack_uart_windows_set_parity(int parity){
return 0;
}
static int btstack_uart_windows_set_flowcontrol(int flowcontrol){
DCB serial_params;
memset(&serial_params, 0, sizeof(DCB));
serial_params.DCBlength = sizeof(DCB);
int ok = GetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_parity: Couldn't get serial parameters");
return -1;
}
btstack_uart_windows_set_flowcontrol_option(&serial_params, flowcontrol);
ok = SetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_set_flowcontrol: Couldn't serial parameters");
return -1;
}
return 0;
}
static int btstack_uart_windows_open(void){
const char * device_name = uart_config->device_name;
@ -334,21 +359,22 @@ static int btstack_uart_windows_open(void){
serial_params.StopBits = ONESTOPBIT;
serial_params.Parity = NOPARITY;
// Flowcontrol
serial_params.fOutxCtsFlow = flowcontrol;
serial_params.fRtsControl = flowcontrol ? RTS_CONTROL_HANDSHAKE : 0;
// baudrate
btstack_uart_windows_set_baudrate_option(&serial_params, baudrate);
// flow control
btstack_uart_windows_set_flowcontrol_option(&serial_params, flowcontrol);
// parity none
btstack_uart_windows_set_parity_option(&serial_params, 0);
// commit changes
ok = SetCommState(serial_port_handle, &serial_params);
if (!ok){
log_error("windows_open: Couldn't serial parameters");
return -1;
}
// also set baudrate
if (btstack_uart_windows_set_baudrate(baudrate) < 0){
return -1;
}
// setup overlapped structures for async io
memset(&overlapped_read, 0, sizeof(overlapped_read));
memset(&overlapped_write, 0, sizeof(overlapped_write));
@ -408,7 +434,7 @@ static const btstack_uart_block_t btstack_uart_windows = {
/* void (*set_block_sent)(void (*handler)(void)); */ &btstack_uart_windows_set_block_sent,
/* int (*set_baudrate)(uint32_t baudrate); */ &btstack_uart_windows_set_baudrate,
/* int (*set_parity)(int parity); */ &btstack_uart_windows_set_parity,
/* int (*set_flowcontrol)(int flowcontrol); */ NULL,
/* int (*set_flowcontrol)(int flowcontrol); */ &btstack_uart_windows_set_flowcontrol,
/* void (*receive_block)(uint8_t *buffer, uint16_t len); */ &btstack_uart_windows_receive_block,
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_windows_send_block,
/* int (*get_supported_sleep_modes); */ NULL,