uart: move internal static function to top of file

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>

src/uart/uart.c

@@ -32,6 +32,80 @@
 #include "uart.h"
 #include "mraa_internal.h"
 
+// This function takes an unsigned int and converts it to a B* speed_t
+// that can be used with linux/posix termios
+static speed_t
+uint2speed(unsigned int speed)
+{
+    switch (speed) {
+        case 0:
+            return B0; // hangup, not too useful otherwise
+        case 50:
+            return B50;
+        case 75:
+            return B75;
+        case 110:
+            return B110;
+        case 150:
+            return B150;
+        case 200:
+            return B200;
+        case 300:
+            return B300;
+        case 600:
+            return B600;
+        case 1200:
+            return B1200;
+        case 1800:
+            return B1800;
+        case 2400:
+            return B2400;
+        case 4800:
+            return B4800;
+        case 9600:
+            return B9600;
+        case 19200:
+            return B19200;
+        case 38400:
+            return B38400;
+        case 57600:
+            return B57600;
+        case 115200:
+            return B115200;
+        case 230400:
+            return B230400;
+        case 460800:
+            return B460800;
+        case 500000:
+            return B500000;
+        case 576000:
+            return B576000;
+        case 921600:
+            return B921600;
+        case 1000000:
+            return B1000000;
+        case 1152000:
+            return B1152000;
+        case 1500000:
+            return B1500000;
+        case 2000000:
+            return B2000000;
+        case 2500000:
+            return B2500000;
+        case 3000000:
+            return B3000000;
+        case 3500000:
+            return B3500000;
+        case 4000000:
+            return B4000000;
+        default:
+            // if we are here, then an unsupported baudrate was selected.
+            // Report it via syslog and return B9600, a common default.
+            syslog(LOG_ERR, "uart: unsupported baud rate, defaulting to 9600.");
+            return B9600;
+    }
+}
+
 mraa_uart_context
 mraa_uart_init(int index)
 {
@@ -402,76 +476,4 @@ mraa_uart_data_available(mraa_uart_context dev, unsigned int millis)
     }
 }
 
-// This function takes an unsigned int and converts it to a B* speed_t
-// that can be used with linux/posix termios
-static speed_t
-uint2speed(unsigned int speed)
-{
-    switch (speed) {
-        case 0:
-            return B0; // hangup, not too useful otherwise
-        case 50:
-            return B50;
-        case 75:
-            return B75;
-        case 110:
-            return B110;
-        case 150:
-            return B150;
-        case 200:
-            return B200;
-        case 300:
-            return B300;
-        case 600:
-            return B600;
-        case 1200:
-            return B1200;
-        case 1800:
-            return B1800;
-        case 2400:
-            return B2400;
-        case 4800:
-            return B4800;
-        case 9600:
-            return B9600;
-        case 19200:
-            return B19200;
-        case 38400:
-            return B38400;
-        case 57600:
-            return B57600;
-        case 115200:
-            return B115200;
-        case 230400:
-            return B230400;
-        case 460800:
-            return B460800;
-        case 500000:
-            return B500000;
-        case 576000:
-            return B576000;
-        case 921600:
-            return B921600;
-        case 1000000:
-            return B1000000;
-        case 1152000:
-            return B1152000;
-        case 1500000:
-            return B1500000;
-        case 2000000:
-            return B2000000;
-        case 2500000:
-            return B2500000;
-        case 3000000:
-            return B3000000;
-        case 3500000:
-            return B3500000;
-        case 4000000:
-            return B4000000;
-        default:
-            // if we are here, then an unsupported baudrate was selected.
-            // Report it via syslog and return B9600, a common default.
-            syslog(LOG_ERR, "uart: unsupported baud rate, defaulting to 9600.");
-            return B9600;
-    }
-}
+