From b8de35658ffd78ad8b22f91ccbbd3d63663afda9 Mon Sep 17 00:00:00 2001
From: Alexsander Akers <me@a2.io>
Date: Tue, 25 Jan 2022 15:03:22 -0500
Subject: Sensor Watch Simulator (#35)

* Put something on screen

* Use the 32bit watch_date_time repr to pass from JS

* Implement periodic callbacks

* Clear display on enabling

* Hook up watch_set_led_color() to SVG (green-only)

* Make debug output full-width

* Remove default Emscripten canvas

* Implement sleep and button clicks

* Fix time zone conversion bug in beats-time app

* Clean up warnings

* Fix pin levels

* Set time zone to browser value (if available)

* Add basic backup data saving

* Silence format specifier warnings in both targets

* Remove unnecessary, copied files

* Use RTC pointer to clear callbacks (if available)

* Use preprocessor define to avoid hardcoding MOVEMENT_NUM_FACES

* Change each face to const preprocessor definition

* Remove Intl.DateTimeFormat usage

* Update shell.html title, header

* Add touch start/end event handlers on SVG buttons

* Update shell.html

* Update folder structure (shared, simulator, hardware under watch-library)

* Tease out shared components from watch_slcd

* Clean up simulator watch_slcd.c inline JS calls

* Fix missing newlines at end of file

* Add simulator warnings (except format, unused-paremter)

* Implement remaining watch_rtc functions

* Fix button bug on mouse down then drag out

* Implement remaining watch_slcd functions

* Link keyboard events to buttons (for keys A, L, M)

* Rewrite event handling (mouse, touch, keyboard) in C

* Set explicit text UTF-8 charset in shell.html

* Address PR comments

* Remove unused directories from include paths
---
 watch-library/simulator/watch/watch_deepsleep.c | 99 +++++++++++++++++++++++++
 1 file changed, 99 insertions(+)
 create mode 100644 watch-library/simulator/watch/watch_deepsleep.c

(limited to 'watch-library/simulator/watch/watch_deepsleep.c')

diff --git a/watch-library/simulator/watch/watch_deepsleep.c b/watch-library/simulator/watch/watch_deepsleep.c
new file mode 100644
index 00000000..9f409570
--- /dev/null
+++ b/watch-library/simulator/watch/watch_deepsleep.c
@@ -0,0 +1,99 @@
+/*
+ * 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.
+ */
+
+#include "watch_extint.h"
+
+// 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.
+#if BTN_ALARM != GPIO(GPIO_PORTA, 2)
+#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.
+#endif
+
+static uint32_t watch_backup_data[8];
+
+void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool level) {
+    if (pin == BTN_ALARM) {
+        watch_register_interrupt_callback(pin, callback, level ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING);
+    }
+}
+
+void watch_disable_extwake_interrupt(uint8_t pin) {
+    if (pin == BTN_ALARM) {
+        watch_register_interrupt_callback(pin, NULL, INTERRUPT_TRIGGER_NONE);
+    }
+}
+
+void watch_store_backup_data(uint32_t data, uint8_t reg) {
+    if (reg < 8) {
+        watch_backup_data[reg] = data;
+    }
+}
+
+uint32_t watch_get_backup_data(uint8_t reg) {
+    if (reg < 8) {
+        return watch_backup_data[reg];
+    }
+
+    return 0;
+}
+
+void watch_enter_sleep_mode(void) {
+    // TODO: (a2) hook to UI
+
+    // enter standby (4); we basically hang out here until an interrupt wakes us.
+    // sleep(4);
+
+    // call app_setup so the app can re-enable everything we disabled.
+    app_setup();
+
+    // and call app_wake_from_standby (since main won't have a chance to do it)
+    app_wake_from_standby();
+}
+
+void watch_enter_deep_sleep_mode(void) {
+    // identical to sleep mode except we disable the LCD first.
+    // TODO: (a2) hook to UI
+
+    watch_enter_sleep_mode();
+}
+
+void watch_enter_backup_mode(void) {
+    // TODO: (a2) hook to UI
+
+    // go into backup sleep mode (5). when we exit, the reset controller will take over.
+    // sleep(5);
+}
+
+// deprecated
+void watch_enter_shallow_sleep(bool display_on) {
+    if (display_on) watch_enter_sleep_mode();
+    else watch_enter_deep_sleep_mode();
+}
+
+// deprecated
+void watch_enter_deep_sleep(void) {
+    watch_register_extwake_callback(BTN_ALARM, NULL, true);
+    watch_enter_backup_mode();
+}
-- 
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