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bring in Chirpy face

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joeycastillo
2024-10-22 07:49:41 -04:00
parent e8b4d4d010
commit c0514ad39a
5 changed files with 30 additions and 25 deletions
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331
watch-faces/io/chirpy_demo_face.c Normal file
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/*
* MIT License
*
* Copyright (c) 2023 Gabor L Ugray
*
* 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 "chirpy_demo_face.h"
#include "chirpy_tx.h"
#include "filesystem.h"
typedef enum {
CDM_CHOOSE = 0,
CDM_CHIRPING,
} chirpy_demo_mode_t;
typedef enum {
CDP_SCALE = 0,
CDP_INFO_SHORT,
CDP_INFO_LONG,
CDP_INFO_NANOSEC,
} chirpy_demo_program_t;
typedef struct {
// Current mode
chirpy_demo_mode_t mode;
// Selected program
chirpy_demo_program_t program;
// Helps us handle 1/64 ticks during transmission; including countdown timer
chirpy_tick_state_t tick_state;
// Used by chirpy encoder during transmission
chirpy_encoder_state_t encoder_state;
} chirpy_demo_state_t;
static uint8_t long_data_str[] =
"There once was a ship that put to sea\n"
"The name of the ship was the Billy of Tea\n"
"The winds blew up, her bow dipped down\n"
"O blow, my bully boys, blow (huh)\n"
"\n"
"Soon may the Wellerman come\n"
"To bring us sugar and tea and rum\n"
"One day, when the tonguin' is done\n"
"We'll take our leave and go\n";
static uint16_t short_data_len = 20;
static uint8_t short_data[] = {
0x27,
0x00,
0x0c,
0x42,
0xa3,
0xd4,
0x06,
0x54,
0x00,
0x00,
0x02,
0x0c,
0x6b,
0x05,
0x5a,
0x09,
0xd8,
0x00,
0xf5,
0x00,
};
#define ACTIVITY_DATA_FILE_NAME "activity.dat"
static uint8_t *activity_buffer = 0;
static uint16_t activity_buffer_size = 0;
void chirpy_demo_face_setup(uint8_t watch_face_index, void **context_ptr) {
(void)watch_face_index;
if (*context_ptr == NULL) {
*context_ptr = malloc(sizeof(chirpy_demo_state_t));
memset(*context_ptr, 0, sizeof(chirpy_demo_state_t));
// Do any one-time tasks in here; the inside of this conditional happens only at boot.
}
// Do any pin or peripheral setup here; this will be called whenever the watch wakes from deep sleep.
}
void chirpy_demo_face_activate(void *context) {
chirpy_demo_state_t *state = (chirpy_demo_state_t *)context;
memset(context, 0, sizeof(chirpy_demo_state_t));
state->mode = CDM_CHOOSE;
state->program = CDP_SCALE;
// Do we have activity data? Load it.
int32_t sz = filesystem_get_file_size(ACTIVITY_DATA_FILE_NAME);
if (sz > 0) {
// We will free this in resign.
// I don't like any kind of dynamic allocation in long-running embedded software...
// But there's no way around it here; I don't want to hard-wire (and squat) any fixed size structure
// Nanosec data may change in the future too
activity_buffer_size = sz + 2;
activity_buffer = malloc(activity_buffer_size);
// First two bytes of prefix, so Chirpy RX can recognize this data type
activity_buffer[0] = 0xc0;
activity_buffer[1] = 0x00;
// Read file
filesystem_read_file(ACTIVITY_DATA_FILE_NAME, (char*)&activity_buffer[2], sz);
}
}
// To create / check test file in emulator:
// echo TestData > activity.ini
// cat activity.ini
static void _cdf_update_lcd(chirpy_demo_state_t *state) {
watch_display_text_with_fallback(WATCH_POSITION_TOP_LEFT, "CH", "Chirp");
if (state->program == CDP_SCALE)
watch_display_text(WATCH_POSITION_BOTTOM, " SCALE");
else if (state->program == CDP_INFO_SHORT)
watch_display_text(WATCH_POSITION_BOTTOM, "SHORT ");
else if (state->program == CDP_INFO_LONG)
watch_display_text(WATCH_POSITION_BOTTOM, " LOng ");
else if (state->program == CDP_INFO_NANOSEC)
watch_display_text(WATCH_POSITION_BOTTOM, " ACtIV");
else
watch_display_text(WATCH_POSITION_BOTTOM, "---- ");
}
static void _cdf_quit_chirping(chirpy_demo_state_t *state) {
state->mode = CDM_CHOOSE;
watch_set_buzzer_off();
watch_clear_indicator(WATCH_INDICATOR_BELL);
movement_request_tick_frequency(1);
}
static void _cdf_scale_tick(void *context) {
chirpy_demo_state_t *state = (chirpy_demo_state_t *)context;
chirpy_tick_state_t *tick_state = &state->tick_state;
// Scale goes in 200Hz increments from 700 Hz to 12.3 kHz -> 58 steps
if (tick_state->seq_pos == 58) {
_cdf_quit_chirping(state);
return;
}
uint32_t freq = 700 + tick_state->seq_pos * 200;
uint32_t period = 1000000 / freq;
watch_set_buzzer_period_and_duty_cycle(period, 25);
watch_set_buzzer_on();
++tick_state->seq_pos;
}
static void _cdf_data_tick(void *context) {
chirpy_demo_state_t *state = (chirpy_demo_state_t *)context;
uint8_t tone = chirpy_get_next_tone(&state->encoder_state);
// Transmission over?
if (tone == 255) {
_cdf_quit_chirping(state);
return;
}
uint16_t period = chirpy_get_tone_period(tone);
watch_set_buzzer_period_and_duty_cycle(period, 25);
watch_set_buzzer_on();
}
static uint8_t *curr_data_ptr;
static uint16_t curr_data_ix;
static uint16_t curr_data_len;
static uint8_t _cdf_get_next_byte(uint8_t *next_byte) {
if (curr_data_ix == curr_data_len)
return 0;
*next_byte = curr_data_ptr[curr_data_ix];
++curr_data_ix;
return 1;
}
static void _cdf_countdown_tick(void *context) {
chirpy_demo_state_t *state = (chirpy_demo_state_t *)context;
chirpy_tick_state_t *tick_state = &state->tick_state;
// Countdown over: start actual broadcast
if (tick_state->seq_pos == 8 * 3) {
tick_state->tick_compare = 3;
tick_state->tick_count = -1;
tick_state->seq_pos = 0;
// We'll be chirping out a scale
if (state->program == CDP_SCALE) {
tick_state->tick_fun = _cdf_scale_tick;
}
// We'll be chirping out data
else {
// Set up the encoder
chirpy_init_encoder(&state->encoder_state, _cdf_get_next_byte);
tick_state->tick_fun = _cdf_data_tick;
// Set up the data
curr_data_ix = 0;
if (state->program == CDP_INFO_SHORT) {
curr_data_ptr = short_data;
curr_data_len = short_data_len;
} else if (state->program == CDP_INFO_LONG) {
curr_data_ptr = long_data_str;
curr_data_len = strlen((const char *)long_data_str);
} else if (state->program == CDP_INFO_NANOSEC) {
curr_data_ptr = activity_buffer;
curr_data_len = activity_buffer_size;
}
}
return;
}
// Sound or turn off buzzer
if ((tick_state->seq_pos % 8) == 0) {
watch_set_buzzer_period_and_duty_cycle(NotePeriods[BUZZER_NOTE_A5], 25);
watch_set_buzzer_on();
} else if ((tick_state->seq_pos % 8) == 1) {
watch_set_buzzer_off();
}
++tick_state->seq_pos;
}
static void _cdm_setup_chirp(chirpy_demo_state_t *state) {
// We want frequent callbacks from now on
movement_request_tick_frequency(64);
watch_set_indicator(WATCH_INDICATOR_BELL);
state->mode = CDM_CHIRPING;
// Set up tick state; start with countdown
state->tick_state.tick_count = -1;
state->tick_state.tick_compare = 8;
state->tick_state.seq_pos = 0;
state->tick_state.tick_fun = _cdf_countdown_tick;
}
bool chirpy_demo_face_loop(movement_event_t event, void *context) {
chirpy_demo_state_t *state = (chirpy_demo_state_t *)context;
switch (event.event_type) {
case EVENT_ACTIVATE:
_cdf_update_lcd(state);
break;
case EVENT_MODE_BUTTON_UP:
// Do not exit face while we're chirping
if (state->mode != CDM_CHIRPING) {
movement_move_to_next_face();
}
break;
case EVENT_LIGHT_BUTTON_UP:
// We don't do light.
break;
case EVENT_ALARM_BUTTON_UP:
// If in choose mode: select next program
if (state->mode == CDM_CHOOSE) {
if (state->program == CDP_SCALE)
state->program = CDP_INFO_SHORT;
else if (state->program == CDP_INFO_SHORT)
state->program = CDP_INFO_LONG;
else if (state->program == CDP_INFO_LONG) {
if (activity_buffer_size > 0)
state->program = CDP_INFO_NANOSEC;
else
state->program = CDP_SCALE;
} else if (state->program == CDP_INFO_NANOSEC)
state->program = CDP_SCALE;
_cdf_update_lcd(state);
}
// If chirping: stoppit
else if (state->mode == CDM_CHIRPING) {
_cdf_quit_chirping(state);
}
break;
case EVENT_ALARM_LONG_PRESS:
// If in choose mode: start chirping
if (state->mode == CDM_CHOOSE) {
_cdm_setup_chirp(state);
}
break;
case EVENT_TICK:
if (state->mode == CDM_CHIRPING) {
++state->tick_state.tick_count;
if (state->tick_state.tick_count == state->tick_state.tick_compare) {
state->tick_state.tick_count = 0;
state->tick_state.tick_fun(context);
}
}
break;
case EVENT_TIMEOUT:
// Do not time out while we're chirping
if (state->mode != CDM_CHIRPING) {
movement_move_to_face(0);
}
default:
break;
}
// Return true if the watch can enter standby mode. False needed when chirping.
if (state->mode == CDM_CHIRPING)
return false;
else
return true;
}
void chirpy_demo_face_resign(void *context) {
(void)context;
if (activity_buffer != 0) {
free(activity_buffer);
activity_buffer = 0;
activity_buffer_size = 0;
}
}

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watch-faces/io/chirpy_demo_face.h Normal file
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/*
* MIT License
*
* Copyright (c) 2023 <#author_name#>
*
* 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.
*/
#ifndef CHIRPY_DEMO_FACE_H_
#define CHIRPY_DEMO_FACE_H_
/*
* CHIRPY DEMO FACE
*
* This face demonstrates the chirpy-tx library. It is intended to help you
* include chirpy-tx in your own watch faces that need to transmit data out
* of the watch.
*
* The face's first screen lets you select from a few built-in transmissions:
*
* SCALE cycles through frequencies in fixed increments. This is intended to
* collect and analyze audio samples from different watches. With this info
* it may be possible to improve chirpy-tx's parameters like the frequencies
* it uses to make the method more robust.
*
* SHORT is a small transmission that contains data taked from the activity_face.
*
* LONG is a longer transmission that contains the first two strophes of a
* famous sea shanty.
*
* Select the transmission you want with ALARM, the press LONG ALARM to chirp.
*
* To record and decode a chirpy transmission on your computer, you can use the web app here:
* https://jealousmarkup.xyz/off/chirpy/rx/
*/
#include "movement.h"
void chirpy_demo_face_setup(uint8_t watch_face_index, void ** context_ptr);
void chirpy_demo_face_activate(void *context);
bool chirpy_demo_face_loop(movement_event_t event, void *context);
void chirpy_demo_face_resign(void *context);
#define chirpy_demo_face ((const watch_face_t){ \
chirpy_demo_face_setup, \
chirpy_demo_face_activate, \
chirpy_demo_face_loop, \
chirpy_demo_face_resign, \
NULL, \
})
#endif // CHIRPY_DEMO_FACE_H_