From: Joey Castillo <jose.castillo@gmail.com>
Date: Thu, 23 Sep 2021 21:27:41 +0000 (-0400)
Subject: add warning about external wake on old board rev
X-Git-Url: https://git.earman.xyz/?a=commitdiff_plain;h=7945f4c4a33b5fdfffe1ab8305e57df091371fbb;p=sensor-watch.git

add warning about external wake on old board rev
---

diff --git a/watch-library/watch/watch_deepsleep.c b/watch-library/watch/watch_deepsleep.c
index 89d66ee..dda428f 100644
--- a/watch-library/watch/watch_deepsleep.c
+++ b/watch-library/watch/watch_deepsleep.c
@@ -22,6 +22,13 @@
  * SOFTWARE.
  */
 
+// this warning only appears when you `make BOARD=OSO-SWAT-A1-02`. it's annoying,
+// but i'd rather have it warn us at build-time than fail silently at run-time.
+// besides, no one but me really has any of these boards anyway.
+#warning This board revision does not support external wake on BTN_ALARM, so watch_register_extwake_callback will not work with it. Use watch_register_interrupt_callback instead.
+#if BTN_ALARM != GPIO(GPIO_PORTA, 2)
+#endif
+
 static void extwake_callback(uint8_t reason);
 ext_irq_cb_t btn_alarm_callback;
 ext_irq_cb_t a2_callback;