aboutsummaryrefslogtreecommitdiff
path: root/examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c
diff options
context:
space:
mode:
Diffstat (limited to 'examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c')
-rw-r--r--examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c b/examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c
index 5cbdafd..024da37 100644
--- a/examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c
+++ b/examples/stm32/f4/stm32f4-discovery/mandelbrot/mandel.c
@@ -23,7 +23,7 @@
#include <libopencm3/stm32/f4/gpio.h>
#include <libopencm3/stm32/usart.h>
-void clock_setup(void)
+static void clock_setup(void)
{
/* Enable high-speed clock at 120MHz */
rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_120MHZ]);
@@ -36,7 +36,7 @@ void clock_setup(void)
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
-void usart_setup(void)
+static void usart_setup(void)
{
/* Setup USART2 parameters. */
usart_set_baudrate(USART2, 38400);
@@ -50,7 +50,7 @@ void usart_setup(void)
usart_enable(USART2);
}
-void gpio_setup(void)
+static void gpio_setup(void)
{
/* Setup GPIO pin GPIO12 on GPIO port D for LED. */
gpio_mode_setup(GPIOD, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO12);