diff options
| -rw-r--r-- | include/osmocom/core/serial.h | 1 | ||||
| -rw-r--r-- | src/serial.c | 35 |
2 files changed, 36 insertions, 0 deletions
diff --git a/include/osmocom/core/serial.h b/include/osmocom/core/serial.h index 39614a47..443275f2 100644 --- a/include/osmocom/core/serial.h +++ b/include/osmocom/core/serial.h @@ -32,5 +32,6 @@ int osmo_serial_init(const char *dev, speed_t baudrate); int osmo_serial_set_baudrate(int fd, speed_t baudrate); int osmo_serial_set_custom_baudrate(int fd, int baudrate); int osmo_serial_clear_custom_baudrate(int fd); +int osmo_serial_speed_t(unsigned int baudrate, speed_t *speed); /*! @} */ diff --git a/src/serial.c b/src/serial.c index 72d3594f..c3bf5e89 100644 --- a/src/serial.c +++ b/src/serial.c @@ -245,4 +245,39 @@ osmo_serial_clear_custom_baudrate(int fd) return 0; } +/*! Convert unsigned integer value to speed_t + * \param[in] baudrate integer value containing the desired standard baudrate + * \param[out] speed the standrd baudrate requested in speed_t format + * \returns 0 for success or negative errno. + */ +int +osmo_serial_speed_t(unsigned int baudrate, speed_t *speed) +{ + switch(baudrate) { + case 0: *speed = B0; break; + case 50: *speed = B50; break; + case 75: *speed = B75; break; + case 110: *speed = B110; break; + case 134: *speed = B134; break; + case 150: *speed = B150; break; + case 200: *speed = B200; break; + case 300: *speed = B300; break; + case 600: *speed = B600; break; + case 1200: *speed = B1200; break; + case 1800: *speed = B1800; break; + case 2400: *speed = B2400; break; + case 4800: *speed = B4800; break; + case 9600: *speed = B9600; break; + case 19200: *speed = B19200; break; + case 38400: *speed = B38400; break; + case 57600: *speed = B57600; break; + case 115200: *speed = B115200; break; + case 230400: *speed = B230400; break; + default: + *speed = B0; + return -EINVAL; + } + return 0; +} + /*! @} */ |