--- /dev/null
+/*
+ * MIT License
+ *
+ * Copyright (c) 2024 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 <stdlib.h>
+#include <string.h>
+#include "light_sensor_face.h"
+#include "tc.h"
+#include "eic.h"
+#include "usb.h"
+
+void light_sensor_face_setup(uint8_t watch_face_index, void ** context_ptr) {
+ (void) watch_face_index;
+ if (*context_ptr == NULL) {
+ *context_ptr = malloc(sizeof(light_sensor_state_t));
+ memset(*context_ptr, 0, sizeof(light_sensor_state_t));
+ // Do any one-time tasks in here; the inside of this conditional happens only at boot.
+ }
+}
+
+void light_sensor_face_activate(void *context) {
+ light_sensor_state_t *state = (light_sensor_state_t *)context;
+ (void) state;
+ HAL_GPIO_IR_ENABLE_out();
+ HAL_GPIO_IR_ENABLE_clr();
+ HAL_GPIO_IRSENSE_in();
+ eic_configure_pin(HAL_GPIO_IRSENSE_pin(), INTERRUPT_TRIGGER_FALLING);
+ eic_enable_event(HAL_GPIO_IRSENSE_pin());
+ EVSYS->USER[EVSYS_ID_USER_TC1_EVU].reg = EVSYS_USER_CHANNEL(1 + 1);
+ // Set up channel 1:
+ EVSYS->CHANNEL[1].reg = EVSYS_CHANNEL_EVGEN(EVSYS_ID_GEN_EIC_EXTINT_4) | // External interrupt 4 generates events on channel 1...
+ EVSYS_CHANNEL_RUNSTDBY | // even in standby mode...
+ EVSYS_CHANNEL_PATH_ASYNCHRONOUS; // on the asynchronous path (event drives action directly)
+ tc_init(1, GENERIC_CLOCK_0, usb_is_enabled() ? TC_PRESCALER_DIV16 : TC_PRESCALER_DIV8);
+ tc_set_counter_mode(1, TC_COUNTER_MODE_16BIT);
+ TC1->COUNT16.CTRLA.bit.CAPTEN0 = 1;
+ TC1->COUNT16.CTRLA.bit.CAPTEN1 = 1;
+ TC1->COUNT16.EVCTRL.reg = TC_EVCTRL_TCEI | TC_EVCTRL_EVACT_PWP; // Event should capture pulse width and period
+
+ tc_set_counter_mode(1, TC_COUNTER_MODE_16BIT);
+ tc_enable(1);
+
+ movement_request_tick_frequency(64);
+}
+
+bool light_sensor_face_loop(movement_event_t event, void *context) {
+ light_sensor_state_t *state = (light_sensor_state_t *)context;
+ (void) state;
+
+ bool light_level = HAL_GPIO_IRSENSE_read();
+ uint16_t pulsewidth = TC1->COUNT16.CC[0].reg;
+ uint16_t period = TC1->COUNT16.CC[1].reg;
+ if (period > 10000) printf("Light %d, %d, %d\n", light_level, pulsewidth >> 3, period >> 3);
+
+ switch (event.event_type) {
+ case EVENT_NONE:
+ case EVENT_ACTIVATE:
+ // Show your initial UI here.
+ break;
+ case EVENT_TICK:
+ // If needed, update your display here.
+ break;
+ case EVENT_LIGHT_BUTTON_UP:
+ // You can use the Light button for your own purposes. Note that by default, Movement will also
+ // illuminate the LED in response to EVENT_LIGHT_BUTTON_DOWN; to suppress that behavior, add an
+ // empty case for EVENT_LIGHT_BUTTON_DOWN.
+ break;
+ case EVENT_ALARM_BUTTON_UP:
+ // Just in case you have need for another button.
+ break;
+ case EVENT_TIMEOUT:
+ // Your watch face will receive this event after a period of inactivity. If it makes sense to resign,
+ // you may uncomment this line to move back to the first watch face in the list:
+ // movement_move_to_face(0);
+ break;
+ case EVENT_LOW_ENERGY_UPDATE:
+ // If you did not resign in EVENT_TIMEOUT, you can use this event to update the display once a minute.
+ // Avoid displaying fast-updating values like seconds, since the display won't update again for 60 seconds.
+ // You should also consider starting the tick animation, to show the wearer that this is sleep mode:
+ // watch_start_sleep_animation(500);
+ break;
+ default:
+ // Movement's default loop handler will step in for any cases you don't handle above:
+ // * EVENT_LIGHT_BUTTON_DOWN lights the LED
+ // * EVENT_MODE_BUTTON_UP moves to the next watch face in the list
+ // * EVENT_MODE_LONG_PRESS returns to the first watch face (or skips to the secondary watch face, if configured)
+ // You can override any of these behaviors by adding a case for these events to this switch statement.
+ return movement_default_loop_handler(event);
+ }
+
+ return false;
+}
+
+void light_sensor_face_resign(void *context) {
+ (void) context;
+
+ // handle any cleanup before your watch face goes off-screen.
+}
--- /dev/null
+/*
+ * MIT License
+ *
+ * Copyright (c) 2024 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.
+ */
+
+#pragma once
+
+#include "movement.h"
+
+/*
+ * LIGHT SENSOR PLAYGROUND
+ *
+ * Temporary watch face for playing with the light sensor.
+ *
+ */
+
+typedef struct {
+ // Anything you need to keep track of, put it here!
+ uint8_t unused;
+} light_sensor_state_t;
+
+void light_sensor_face_setup(uint8_t watch_face_index, void ** context_ptr);
+void light_sensor_face_activate(void *context);
+bool light_sensor_face_loop(movement_event_t event, void *context);
+void light_sensor_face_resign(void *context);
+
+#define light_sensor_face ((const watch_face_t){ \
+ light_sensor_face_setup, \
+ light_sensor_face_activate, \
+ light_sensor_face_loop, \
+ light_sensor_face_resign, \
+ NULL, \
+})