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/**
* @file controller.cpp
* @brief The main smartwatch code.
*
* Copyright (C) 2019 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <bluefruit.h>
#include "rtc.hpp"
#include "sharp.hpp"
#include "vibrate.hpp"
#include "widget.hpp"
BLEUart bleuart;
void handlePacket(void);
void app_error_handler_bare([[maybe_unused]] uint32_t error_code)
{
Serial.println("Received an error");
while (1);
}
void setup(void)
{
Serial.begin(115200);
while (!Serial)
delay(10);
Vibrate::begin();
RTC::begin();
Sharp::begin();
Bluefruit.begin();
// Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
Bluefruit.setTxPower(-20);
Bluefruit.setName("smartwatch");
// Configure and start the BLE Uart service
bleuart.begin();
// Advertising packet
Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
Bluefruit.Advertising.addTxPower();
Bluefruit.Advertising.addService(bleuart);
Bluefruit.ScanResponse.addName();
Bluefruit.Advertising.restartOnDisconnect(true);
Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
Bluefruit.Advertising.setFastTimeout(30); // number of seconds in fast mode
Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds
Sharp::addWidget<TimeWidget>();
Sharp::addWidget<NotificationWidget>("Welcome to smartwatch");
}
static int touchToCoord(int val)
{
return val / 70 * (SHARP_HEIGHT / 10);
}
void loop(void)
{
if (bleuart.available())
handlePacket();
static int last = 0;
static bool scrolled = false;
int val = analogRead(A5);
if (val >= 10) {
if (last == 0) {
scrolled = false;
last = val;
}
auto diff = val - last;
if (std::abs(diff) > 50) {
Sharp::setScroll(touchToCoord(diff));
scrolled = true;
}
} else {
if (last != 0 && !scrolled) {
Sharp::sendInput(touchToCoord(last));
delay(100);
}
last = 0;
Sharp::setScroll();
}
delay(10);
}
static void addNewNote(const char *buf)
{
unsigned int count = (buf[1] - '0') * 10 + (buf[2] - '0');
Sharp::addWidget<NoteWidget>(buf + 3, count);
}
void handlePacket(void)
{
char buf[64];
unsigned int i;
for (i = 0; bleuart.available() && i < 63; i++)
buf[i] = bleuart.read();
buf[i] = '\0';
switch (buf[0]) {
case 'L':
Vibrate::pulse();
Sharp::addWidget<NotificationWidget>(buf + 1);
break;
case 'T':
Vibrate::pulse();
Sharp::addWidget<NotificationWidget>("Time updated");
RTC::setTicks(std::atoi(buf + 1) * 60);
break;
case 'N':
Vibrate::pulse();
addNewNote(buf);
default:
break;
}
}
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