firmware/src/nimble/BluetoothUtil.h
2020-07-24 10:12:25 -07:00

30 lines
997 B
C++

#pragma once
#include <Arduino.h>
#include <functional>
/// We only allow one BLE connection at a time
extern int16_t curConnectionHandle;
// TODO(girts): create a class for the bluetooth utils helpers?
using StartBluetoothPinScreenCallback = std::function<void(uint32_t pass_key)>;
using StopBluetoothPinScreenCallback = std::function<void(void)>;
/// Given a level between 0-100, update the BLE attribute
void updateBatteryLevel(uint8_t level);
void deinitBLE();
void loopBLE();
void reinitBluetooth();
/**
* A helper function that implements simple read and write handling for a uint32_t
*
* If a read, the provided value will be returned over bluetooth. If a write, the value from the received packet
* will be written into the variable.
*/
int chr_readwrite32le(uint32_t *v, struct ble_gatt_access_ctxt *ctxt);
/**
* A helper for readwrite access to an array of bytes (with no endian conversion)
*/
int chr_readwrite8(uint8_t *v, size_t vlen, struct ble_gatt_access_ctxt *ctxt);