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path: root/examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c
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Diffstat (limited to 'examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c')
-rw-r--r--examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c b/examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c
index bbb2515..4382838 100644
--- a/examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c
+++ b/examples/stm32/f1/stm32-maple/usart_irq/usart_irq.c
@@ -23,7 +23,7 @@
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/cm3/scb.h>
-void clock_setup(void)
+static void clock_setup(void)
{
rcc_clock_setup_in_hse_8mhz_out_72mhz();
@@ -34,7 +34,7 @@ void clock_setup(void)
rcc_peripheral_enable_clock(&RCC_APB1ENR, RCC_APB1ENR_USART2EN);
}
-void usart_setup(void)
+static void usart_setup(void)
{
/* Enable the USART2 interrupt. */
nvic_enable_irq(NVIC_USART2_IRQ);
@@ -62,7 +62,7 @@ void usart_setup(void)
usart_enable(USART2);
}
-void gpio_setup(void)
+static void gpio_setup(void)
{
gpio_set(GPIOA, GPIO5);