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Diffstat (limited to 'examples/stm32/f1/stm32-maple/usart/usart.c')
-rw-r--r--examples/stm32/f1/stm32-maple/usart/usart.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/stm32/f1/stm32-maple/usart/usart.c b/examples/stm32/f1/stm32-maple/usart/usart.c
index 0b7991a..75d120a 100644
--- a/examples/stm32/f1/stm32-maple/usart/usart.c
+++ b/examples/stm32/f1/stm32-maple/usart/usart.c
@@ -21,7 +21,7 @@
#include <libopencm3/stm32/f1/gpio.h>
#include <libopencm3/stm32/usart.h>
-void clock_setup(void)
+static void clock_setup(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
@@ -32,7 +32,7 @@ void clock_setup(void)
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
-void usart_setup(void)
+static void usart_setup(void)
{
/* Setup GPIO pin GPIO_USART2_TX. */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
@@ -50,7 +50,7 @@ void usart_setup(void)
usart_enable(USART2);
}
-void gpio_setup(void)
+static void gpio_setup(void)
{
/* Set GPIO (in GPIO port A) to 'output push-pull'. */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ,