refactor: break out different areas of functionality

1 files changed, 39 insertions, 0 deletions

diff --git a/watch-library/watch/watch_extint.c b/watch-library/watch/watch_extint.c
new file mode 100644
index 00000000..19f6041a
--- /dev/null
+++ b/watch-library/watch/watch_extint.c
@@ -0,0 +1,39 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 Joey Castillo
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+ void watch_enable_buttons() {
+    EXTERNAL_IRQ_0_init();
+}
+
+void watch_register_button_callback(const uint8_t pin, ext_irq_cb_t callback) {
+    if (pin == BTN_ALARM) {
+        gpio_set_pin_direction(BTN_ALARM, GPIO_DIRECTION_IN);
+        gpio_set_pin_pull_mode(BTN_ALARM, GPIO_PULL_DOWN);
+        gpio_set_pin_function(BTN_ALARM, PINMUX_PA02G_RTC_IN2);
+        btn_alarm_callback = callback;
+        _extwake_register_callback(&CALENDAR_0.device, extwake_callback);
+    } else {
+        ext_irq_register(pin, callback);
+    }
+}