samd21: make uart_init() static
Avoids a linker conflict if programs are using the same function name.
@@ -47,7 +47,7 @@ void USB_Handler(void)
//--------------------------------------------------------------------+
// UART support
//--------------------------------------------------------------------+
-void uart_init(void);
+static void uart_init(void);
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
@@ -152,7 +152,7 @@ uint32_t board_button_read(void)
#define BOARD_SERCOM2(n) SERCOM ## n
#define BOARD_SERCOM(n) BOARD_SERCOM2(n)
-void uart_init(void)
+static void uart_init(void)
{
#if UART_SERCOM == 0
gpio_set_pin_function(PIN_PA06, PINMUX_PA06D_SERCOM0_PAD2);
@@ -217,7 +217,7 @@ int board_uart_write(void const * buf, int len)
}
#else // ! defined(UART_SERCOM)
-void uart_init(void)
+static void uart_init(void)
{
}
