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Save file with proper formatting

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This commit is contained in:
Sybren A. Stüvel 2026-03-14 20:36:26 +01:00
parent d697d8a790
commit 7f48cb0485
1 changed files with 26 additions and 28 deletions
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54
src/helpers/esp32/BLELogInterface.h
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@ -1,16 +1,16 @@
#pragma once
#include <Arduino.h>
#include <BLE2902.h>
#include <BLEDevice.h>
#include <BLEServer.h>
#include <BLEUtils.h>
#include <BLE2902.h>
// Nordic UART Service UUIDs (standard, recognised by nRF Connect and bleak)
#define NUS_SERVICE_UUID "6E400001-B5A3-F393-E0A9-E50E24DCCA9E"
#define NUS_TX_UUID "6E400003-B5A3-F393-E0A9-E50E24DCCA9E"
#define NUS_SERVICE_UUID "6E400001-B5A3-F393-E0A9-E50E24DCCA9E"
#define NUS_TX_UUID "6E400003-B5A3-F393-E0A9-E50E24DCCA9E"
#define BLE_LOG_ADVERT_RESTART_DELAY_MS 1000
#define BLE_LOG_ADVERT_RESTART_DELAY_MS 1000
/**
* Unsecured BLE UART (Nordic UART Service) logger for ESP32 platforms.
@ -22,12 +22,12 @@
* Call loop() from the Arduino loop() to handle advertising restart on disconnect.
*/
class BLELogInterface : public Print, BLEServerCallbacks {
BLEServer* _server;
BLECharacteristic* _tx_char;
bool _connected;
unsigned long _adv_restart_time;
char _line_buf[256];
int _line_len;
BLEServer *_server;
BLECharacteristic *_tx_char;
bool _connected;
unsigned long _adv_restart_time;
char _line_buf[256];
int _line_len;
void flushLine() {
if (_line_len == 0 || !_connected) {
@ -42,58 +42,55 @@ class BLELogInterface : public Print, BLEServerCallbacks {
while (offset < _line_len) {
int n = _line_len - offset;
if (n > CHUNK) n = CHUNK;
_tx_char->setValue((uint8_t*)_line_buf + offset, n);
_tx_char->setValue((uint8_t *)_line_buf + offset, n);
_tx_char->notify();
offset += n;
}
_line_len = 0;
}
void onConnect(BLEServer* pServer) override {
_connected = true;
}
void onConnect(BLEServer *pServer) override { _connected = true; }
void onDisconnect(BLEServer* pServer) override {
void onDisconnect(BLEServer *pServer) override {
_connected = false;
_line_len = 0; // discard partial line
_line_len = 0; // discard partial line
_adv_restart_time = millis() + BLE_LOG_ADVERT_RESTART_DELAY_MS;
}
public:
BLELogInterface()
: _server(nullptr), _tx_char(nullptr),
_connected(false), _adv_restart_time(0), _line_len(0) {}
: _server(nullptr), _tx_char(nullptr), _connected(false), _adv_restart_time(0), _line_len(0) {}
void begin(const char* device_name) {
void begin(const char *device_name) {
BLEDevice::init(device_name);
BLEDevice::setMTU(256); // default 23-byte MTU caps notifications at 20 bytes; request more
BLEDevice::setMTU(256); // default 23-byte MTU caps notifications at 20 bytes; request more
// Explicitly disable bonding so the ESP32 does not send security requests.
// Without this the BLE stack initiates Just Works pairing by default, which
// fails with AUTH FAILED when no security callbacks are registered.
BLESecurity* pSecurity = new BLESecurity();
BLESecurity *pSecurity = new BLESecurity();
pSecurity->setAuthenticationMode(ESP_LE_AUTH_NO_BOND);
pSecurity->setCapability(ESP_IO_CAP_NONE);
_server = BLEDevice::createServer();
_server->setCallbacks(this);
BLEService* service = _server->createService(NUS_SERVICE_UUID);
BLEService *service = _server->createService(NUS_SERVICE_UUID);
_tx_char = service->createCharacteristic(NUS_TX_UUID, BLECharacteristic::PROPERTY_NOTIFY);
_tx_char->addDescriptor(new BLE2902());
// Characteristic Presentation Format (0x2904): declare value as UTF-8 string
// Format: format(1) exponent(1) unit(2) namespace(1) description(2)
static const uint8_t utf8_format[] = { 0x19, 0x00, 0x00, 0x27, 0x01, 0x00, 0x00 };
BLEDescriptor* pFormat = new BLEDescriptor((uint16_t)0x2904);
pFormat->setValue(const_cast<uint8_t*>(utf8_format), sizeof(utf8_format));
BLEDescriptor *pFormat = new BLEDescriptor((uint16_t)0x2904);
pFormat->setValue(const_cast<uint8_t *>(utf8_format), sizeof(utf8_format));
_tx_char->addDescriptor(pFormat);
service->start();
BLEAdvertising* adv = BLEDevice::getAdvertising();
BLEAdvertising *adv = BLEDevice::getAdvertising();
adv->addServiceUUID(NUS_SERVICE_UUID);
adv->setScanResponse(true);
adv->setMinPreferred(0x06); // helps iOS find and stay connected to the device
adv->setMinPreferred(0x06); // helps iOS find and stay connected to the device
adv->setMinPreferred(0x12);
BLEDevice::startAdvertising();
}
@ -116,8 +113,9 @@ public:
return 1;
}
size_t write(const uint8_t* buf, size_t size) override {
for (size_t i = 0; i < size; i++) write(buf[i]);
size_t write(const uint8_t *buf, size_t size) override {
for (size_t i = 0; i < size; i++)
write(buf[i]);
return size;
}
};