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posix: implement set_flowcontrol in btstack_uart_block interface

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This commit is contained in:
Matthias Ringwald 2017-07-25 19:42:12 +02:00
parent f71711bb0a
commit cde6b088be
1 changed files with 50 additions and 34 deletions
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84
platform/posix/btstack_uart_block_posix.c
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@ -237,6 +237,50 @@ static int btstack_uart_posix_set_baudrate(uint32_t baudrate){
return 0;
}
static int btstack_uart_posix_set_parity(int parity){
int fd = transport_data_source.fd;
struct termios toptions;
if (tcgetattr(fd, &toptions) < 0) {
log_error("btstack_uart_posix_set_parity: Couldn't get term attributes");
return -1;
}
if (parity){
toptions.c_cflag |= PARENB; // enable even parity
} else {
toptions.c_cflag &= ~PARENB; // disable even parity
}
if(tcsetattr(fd, TCSANOW, &toptions) < 0) {
log_error("posix_set_parity: Couldn't set term attributes");
return -1;
}
return 0;
}
static int btstack_uart_posix_set_flowcontrol(int flowcontrol){
int fd = transport_data_source.fd;
struct termios toptions;
if (tcgetattr(fd, &toptions) < 0) {
log_error("btstack_uart_posix_set_parity: Couldn't get term attributes");
return -1;
}
if (flowcontrol) {
// with flow control
toptions.c_cflag |= CRTSCTS;
} else {
// no flow control
toptions.c_cflag &= ~CRTSCTS;
}
if(tcsetattr(fd, TCSANOW, &toptions) < 0) {
log_error("posix_set_flowcontrol: Couldn't set term attributes");
return -1;
}
return 0;
}
static int btstack_uart_posix_open(void){
const char * device_name = uart_config->device_name;
@ -262,18 +306,6 @@ static int btstack_uart_posix_open(void){
toptions.c_cflag &= ~CSTOPB;
toptions.c_cflag |= CS8;
// 8E1
// toptions.c_cflag |= PARENB; // enable even parity
//
if (flowcontrol) {
// with flow control
toptions.c_cflag |= CRTSCTS;
} else {
// no flow control
toptions.c_cflag &= ~CRTSCTS;
}
toptions.c_cflag |= CREAD | CLOCAL; // turn on READ & ignore ctrl lines
toptions.c_iflag &= ~(IXON | IXOFF | IXANY); // turn off s/w flow ctrl
@ -294,6 +326,11 @@ static int btstack_uart_posix_open(void){
return -1;
}
// also set flow control
if (btstack_uart_posix_set_flowcontrol(flowcontrol) < 0){
return -1;
}
// set up data_source
btstack_run_loop_set_data_source_fd(&transport_data_source, fd);
btstack_run_loop_set_data_source_handler(&transport_data_source, &hci_transport_h5_process);
@ -324,27 +361,6 @@ static void btstack_uart_posix_set_block_sent( void (*block_handler)(void)){
block_sent = block_handler;
}
static int btstack_uart_posix_set_parity(int parity){
int fd = transport_data_source.fd;
struct termios toptions;
if (tcgetattr(fd, &toptions) < 0) {
log_error("btstack_uart_posix_set_parity: Couldn't get term attributes");
return -1;
}
if (parity){
toptions.c_cflag |= PARENB; // enable even parity
} else {
toptions.c_cflag &= ~PARENB; // enable even parity
}
if(tcsetattr(fd, TCSANOW, &toptions) < 0) {
log_error("posix_set_parity: Couldn't set term attributes");
return -1;
}
return 0;
}
static void btstack_uart_posix_send_block(const uint8_t *data, uint16_t size){
// setup async write
write_bytes_data = data;
@ -377,7 +393,7 @@ static const btstack_uart_block_t btstack_uart_posix = {
/* void (*set_block_sent)(void (*handler)(void)); */ &btstack_uart_posix_set_block_sent,
/* int (*set_baudrate)(uint32_t baudrate); */ &btstack_uart_posix_set_baudrate,
/* int (*set_parity)(int parity); */ &btstack_uart_posix_set_parity,
/* int (*set_flowcontrol)(int flowcontrol); */ NULL,
/* int (*set_flowcontrol)(int flowcontrol); */ &btstack_uart_posix_set_flowcontrol,
/* void (*receive_block)(uint8_t *buffer, uint16_t len); */ &btstack_uart_posix_receive_block,
/* void (*send_block)(const uint8_t *buffer, uint16_t length); */ &btstack_uart_posix_send_block,
/* int (*get_supported_sleep_modes); */ NULL,