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Diffstat (limited to 'src/kern/gpio/sysled.c')
-rw-r--r--src/kern/gpio/sysled.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/kern/gpio/sysled.c b/src/kern/gpio/sysled.c
new file mode 100644
index 0000000..a728da3
--- /dev/null
+++ b/src/kern/gpio/sysled.c
@@ -0,0 +1,14 @@
+#include "kern/gpio/sysled.h"
+
+#define SYSLED GPIO_PIN_PB3
+
+gpio_reserved_pin_t get_sysled()
+{
+ if (gpio_pin_in_use(SYSLED)) {
+ return (gpio_reserved_pin_t) { .v_ = SYSLED };
+ }
+
+ int ec;
+ gpio_pin_opts_t opts = DEFAULT_GPIO_OPTS_OUTPUT;
+ return reserve_gpio_pin(SYSLED, &opts, &ec);
+}