From de81911ef4c15a9518acf32f61ad2d7d0e2f156f Mon Sep 17 00:00:00 2001
From: Josh Rahm <joshuarahm@gmail.com>
Date: Sat, 5 Dec 2020 01:53:33 -0700
Subject: Got a very basic external interrupt to work.

---
 src/kern/gpio/gpio_manager.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/kern/gpio/gpio_manager.c')

diff --git a/src/kern/gpio/gpio_manager.c b/src/kern/gpio/gpio_manager.c
index 749ae79..ea720e9 100644
--- a/src/kern/gpio/gpio_manager.c
+++ b/src/kern/gpio/gpio_manager.c
@@ -388,3 +388,12 @@ void set_gpio_pin_low(gpio_reserved_pin_t pin)
 
   regset(portcfg->od_r, (1 << off), 0);
 }
+
+bool get_gpio_pin_input_state(gpio_reserved_pin_t pin)
+{
+  int off;
+  gpio_port_config_t* portcfg;
+  get_gpio_pin_port_off(pin.v_, &portcfg, &off);
+
+  return !!regget(portcfg->id_r, (1 << off));
+}
-- 
cgit