192 lines
8.9 KiB
C
192 lines
8.9 KiB
C
#include <stdlib.h>
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#include <string.h>
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#include "lis2dh_logging_face.h"
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#include "lis2dh.h"
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#include "watch.h"
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// This watch face is just for testing; if we want to build accelerometer support, it will likely have to be part of Movement itself.
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// The watch face only logs events when it is on screen and not in low energy mode, so you should set LE mode to Never when using it
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// and make it the first watch face in the list (so we come back to it from other modes).
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// On an interrupt, it flashes the Signal icon, and displays the axis or axes that were over the threshold.
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// The main display contains, from left to right, the number of interrupt events that were detected in each of the last three minutes.
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// Pressing the alarm button enters the log mode, where the main display shows the number of interrupts detected in each of the last
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// 24 hours (the hour is shown in the top right digit and AM/PM indicator, if the clock is set to 12 hour mode)
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static void _lis2dh_logging_face_update_display(movement_settings_t *settings, lis2dh_logger_state_t *logger_state, lis2dh_interrupt_state interrupt_state, watch_date_time date_time) {
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char buf[14];
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char time_indication_character;
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int8_t pos;
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if (logger_state->log_ticks) {
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pos = (logger_state->data_points - 1 - logger_state->display_index) % LIS2DH_LOGGING_NUM_DATA_POINTS;
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if (pos < 0) {
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watch_clear_colon();
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sprintf(buf, "NO data ");
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} else {
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date_time = logger_state->data[pos].timestamp;
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watch_set_colon();
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if (settings->bit.clock_mode_24h) {
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watch_set_indicator(WATCH_INDICATOR_24H);
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} else {
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if (date_time.unit.hour > 11) watch_set_indicator(WATCH_INDICATOR_PM);
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date_time.unit.hour %= 12;
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if (date_time.unit.hour == 0) date_time.unit.hour = 12;
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}
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switch (logger_state->axis_index) {
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case 0:
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sprintf(buf, "3A%2d%02d%4ld", date_time.unit.hour, date_time.unit.minute, logger_state->data[pos].x_interrupts + logger_state->data[pos].y_interrupts + logger_state->data[pos].z_interrupts);
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break;
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case 1:
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sprintf(buf, "XA%2d%02d%4ld", date_time.unit.hour, date_time.unit.minute, logger_state->data[pos].x_interrupts);
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break;
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case 2:
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sprintf(buf, "YA%2d%02d%4ld", date_time.unit.hour, date_time.unit.minute, logger_state->data[pos].y_interrupts);
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break;
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case 3:
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sprintf(buf, "ZA%2d%02d%4ld", date_time.unit.hour, date_time.unit.minute, logger_state->data[pos].z_interrupts);
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break;
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}
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}
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} else {
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date_time = watch_rtc_get_date_time();
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watch_clear_colon();
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watch_clear_indicator(WATCH_INDICATOR_PM);
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watch_clear_indicator(WATCH_INDICATOR_24H);
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if ((59 - date_time.unit.second) < 10) time_indication_character = '0' + (59 - date_time.unit.second);
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else time_indication_character = (date_time.unit.second % 2) ? 'i' : '_';
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sprintf(buf, "%c%c%c%c%2d%2d%2d",
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(interrupt_state & LIS2DH_INTERRUPT_STATE_Y_HIGH) ? 'Y' : ' ',
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(interrupt_state & LIS2DH_INTERRUPT_STATE_X_HIGH) ? 'X' : ' ',
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(interrupt_state & LIS2DH_INTERRUPT_STATE_Z_HIGH) ? 'Z' : ' ',
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time_indication_character,
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logger_state->interrupts[0],
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logger_state->interrupts[1],
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logger_state->interrupts[2]);
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}
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watch_display_string(buf, 0);
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}
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static void _lis2dh_logging_face_log_data(lis2dh_logger_state_t *logger_state) {
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watch_date_time date_time = watch_rtc_get_date_time();
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// we get this call 15 minutes late; i.e. at 6:15 we're logging events for 6:00.
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// so: if we're at the top of the hour, roll the hour back too (7:00 task logs data for 6:45)
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if (date_time.unit.minute == 0) date_time.unit.hour = (date_time.unit.hour + 23) % 24;
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// // then roll the minute back.
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date_time.unit.minute = (date_time.unit.minute + 45) % 60;
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size_t pos = logger_state->data_points % LIS2DH_LOGGING_NUM_DATA_POINTS;
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logger_state->data[pos].timestamp.reg = date_time.reg;
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logger_state->data[pos].x_interrupts = logger_state->x_interrupts_this_hour;
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logger_state->data[pos].y_interrupts = logger_state->y_interrupts_this_hour;
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logger_state->data[pos].z_interrupts = logger_state->z_interrupts_this_hour;
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logger_state->data_points++;
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logger_state->x_interrupts_this_hour = 0;
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logger_state->y_interrupts_this_hour = 0;
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logger_state->z_interrupts_this_hour = 0;
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}
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void lis2dh_logging_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr) {
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(void) settings;
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(void) watch_face_index;
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if (*context_ptr == NULL) {
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*context_ptr = malloc(sizeof(lis2dh_logger_state_t));
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memset(*context_ptr, 0, sizeof(lis2dh_logger_state_t));
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gpio_set_pin_direction(A0, GPIO_DIRECTION_OUT);
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gpio_set_pin_function(A0, GPIO_PIN_FUNCTION_OFF);
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gpio_set_pin_level(A0, true);
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watch_enable_i2c();
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lis2dh_begin();
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lis2dh_set_data_rate(LIS2DH_DATA_RATE_10_HZ);
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lis2dh_configure_aoi_int1(
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LIS2DH_INTERRUPT_CONFIGURATION_OR |
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LIS2DH_INTERRUPT_CONFIGURATION_X_HIGH_ENABLE |
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LIS2DH_INTERRUPT_CONFIGURATION_Y_HIGH_ENABLE |
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LIS2DH_INTERRUPT_CONFIGURATION_Z_HIGH_ENABLE, 96, 0, true);
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}
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}
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void lis2dh_logging_face_activate(movement_settings_t *settings, void *context) {
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lis2dh_logger_state_t *logger_state = (lis2dh_logger_state_t *)context;
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// force two settings: never enter low energy mode, and always snap back to screen 0.
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// this assumes the accelerometer face is first in the watch_faces list.
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settings->bit.le_interval = 0;
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settings->bit.to_always = true;
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logger_state->display_index = 0;
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logger_state->log_ticks = 0;
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watch_enable_digital_input(A1);
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}
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bool lis2dh_logging_face_loop(movement_event_t event, movement_settings_t *settings, void *context) {
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lis2dh_logger_state_t *logger_state = (lis2dh_logger_state_t *)context;
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lis2dh_interrupt_state interrupt_state = 0;
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watch_date_time date_time;
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switch (event.event_type) {
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case EVENT_MODE_BUTTON_UP:
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movement_move_to_next_face();
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break;
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case EVENT_LIGHT_LONG_PRESS:
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movement_illuminate_led();
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break;
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case EVENT_LIGHT_BUTTON_DOWN:
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logger_state->axis_index = (logger_state->axis_index + 1) % 4;
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logger_state->log_ticks = 255;
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_lis2dh_logging_face_update_display(settings, logger_state, interrupt_state, date_time);
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break;
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case EVENT_ALARM_BUTTON_UP:
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if (logger_state->log_ticks) logger_state->display_index = (logger_state->display_index + 1) % LIS2DH_LOGGING_NUM_DATA_POINTS;
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logger_state->log_ticks = 255;
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logger_state->axis_index = 0;
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_lis2dh_logging_face_update_display(settings, logger_state, interrupt_state, date_time);
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break;
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case EVENT_ACTIVATE:
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case EVENT_TICK:
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if (logger_state->log_ticks > 0) {
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logger_state->log_ticks--;
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} else {
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logger_state->display_index = 0;
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}
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if (watch_get_pin_level(A1)) {
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watch_set_indicator(WATCH_INDICATOR_SIGNAL);
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interrupt_state = lis2dh_get_int1_state();
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logger_state->interrupts[0]++;
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if (interrupt_state & LIS2DH_INTERRUPT_STATE_X_HIGH) logger_state->x_interrupts_this_hour++;
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if (interrupt_state & LIS2DH_INTERRUPT_STATE_Y_HIGH) logger_state->y_interrupts_this_hour++;
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if (interrupt_state & LIS2DH_INTERRUPT_STATE_Z_HIGH) logger_state->z_interrupts_this_hour++;
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} else {
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watch_clear_indicator(WATCH_INDICATOR_SIGNAL);
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}
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_lis2dh_logging_face_update_display(settings, logger_state, interrupt_state, date_time);
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break;
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case EVENT_BACKGROUND_TASK:
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_lis2dh_logging_face_log_data(logger_state);
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break;
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default:
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break;
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}
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return true;
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}
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void lis2dh_logging_face_resign(movement_settings_t *settings, void *context) {
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(void) settings;
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(void) context;
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watch_disable_digital_input(A1);
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}
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bool lis2dh_logging_face_wants_background_task(movement_settings_t *settings, void *context) {
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(void) settings;
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lis2dh_logger_state_t *logger_state = (lis2dh_logger_state_t *)context;
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watch_date_time date_time = watch_rtc_get_date_time();
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// this is kind of an abuse of the API, but, let's use the 1 minute tick to shift all our data over.
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logger_state->interrupts[2] = logger_state->interrupts[1];
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logger_state->interrupts[1] = logger_state->interrupts[0];
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logger_state->interrupts[0] = 0;
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// and do our logging task every 15 minutes
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return (date_time.unit.minute % 15) == 0;
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}
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