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// sharp takes < ~0.05uA
#include <bluefruit.h>
#include "sharp.hpp"
#include "rtc.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);
Serial.println(F("Initializing..."));
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
Serial.println(F("Ready."));
Sharp::setScreen(RTC::showTime);
}
void loop(void)
{
if (bleuart.available())
handlePacket();
delay(10);
}
void handlePacket(void)
{
char buf[64];
char *p = buf;
do {
*p++ = bleuart.read();
} while (bleuart.available());
*p = '\0';
switch (buf[0]) {
case 'L':
RTC::setMessage(buf + 1);
break;
case 'T':
Serial.println("Setting time!");
RTC::setTicks(std::atoi(buf + 1) * 60);
break;
default:
break;
}
}
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