Watchy/src/BLE.cpp

130 lines
4.0 KiB
C++

#include "BLE.h"
#define SERVICE_UUID_ESPOTA "cd77498e-1ac8-48b6-aba8-4161c7342fce"
#define CHARACTERISTIC_UUID_ID "cd77498f-1ac8-48b6-aba8-4161c7342fce"
#define SERVICE_UUID_OTA "86b12865-4b70-4893-8ce6-9864fc00374d"
#define CHARACTERISTIC_UUID_FW "86b12866-4b70-4893-8ce6-9864fc00374d"
#define CHARACTERISTIC_UUID_HW_VERSION "86b12867-4b70-4893-8ce6-9864fc00374d"
#define CHARACTERISTIC_UUID_WATCHFACE_NAME \
"86b12868-4b70-4893-8ce6-9864fc00374d"
#define FULL_PACKET 512
#define CHARPOS_UPDATE_FLAG 5
#define STATUS_CONNECTED 0
#define STATUS_DISCONNECTED 4
#define STATUS_UPDATING 1
#define STATUS_READY 2
esp_ota_handle_t otaHandler = 0;
int status = -1;
int bytesReceived = 0;
bool updateFlag = false;
class BLECustomServerCallbacks : public BLEServerCallbacks {
void onConnect(BLEServer *pServer) { status = STATUS_CONNECTED; };
void onDisconnect(BLEServer *pServer) { status = STATUS_DISCONNECTED; }
};
class otaCallback : public BLECharacteristicCallbacks {
public:
otaCallback(BLE *ble) { _p_ble = ble; }
BLE *_p_ble;
void onWrite(BLECharacteristic *pCharacteristic);
};
void otaCallback::onWrite(BLECharacteristic *pCharacteristic) {
std::string rxData = pCharacteristic->getValue();
if (!updateFlag) { // If it's the first packet of OTA since bootup, begin OTA
// Serial.println("Begin FW Update");
esp_ota_begin(esp_ota_get_next_update_partition(NULL), OTA_SIZE_UNKNOWN,
&otaHandler);
updateFlag = true;
status = STATUS_UPDATING;
}
if (_p_ble != NULL) {
if (rxData.length() > 0) {
esp_ota_write(otaHandler, rxData.c_str(), rxData.length());
bytesReceived = bytesReceived + rxData.length();
if (rxData.length() != FULL_PACKET) {
esp_ota_end(otaHandler);
// Serial.println("End FW Update");
if (ESP_OK == esp_ota_set_boot_partition(
esp_ota_get_next_update_partition(NULL))) {
status = STATUS_READY;
} else {
// Serial.println("Upload Error");
}
}
}
}
uint8_t txData[5] = {1, 2, 3, 4, 5};
// delay(1000);
pCharacteristic->setValue((uint8_t *)txData, 5);
pCharacteristic->notify();
}
//
// Constructor
BLE::BLE(void) {}
//
// Destructor
BLE::~BLE(void) {}
//
// begin
bool BLE::begin(const char *localName = "Watchy BLE OTA") {
// Create the BLE Device
BLEDevice::init(localName);
// Create the BLE Server
pServer = BLEDevice::createServer();
pServer->setCallbacks(new BLECustomServerCallbacks());
// Create the BLE Service
pESPOTAService = pServer->createService(SERVICE_UUID_ESPOTA);
pService = pServer->createService(SERVICE_UUID_OTA);
// Create a BLE Characteristic
pESPOTAIdCharacteristic = pESPOTAService->createCharacteristic(
CHARACTERISTIC_UUID_ID, BLECharacteristic::PROPERTY_READ);
pVersionCharacteristic = pService->createCharacteristic(
CHARACTERISTIC_UUID_HW_VERSION, BLECharacteristic::PROPERTY_READ);
pWatchFaceNameCharacteristic = pService->createCharacteristic(
CHARACTERISTIC_UUID_WATCHFACE_NAME, BLECharacteristic::PROPERTY_READ);
pOtaCharacteristic = pService->createCharacteristic(
CHARACTERISTIC_UUID_FW,
BLECharacteristic::PROPERTY_NOTIFY | BLECharacteristic::PROPERTY_WRITE);
pOtaCharacteristic->addDescriptor(new BLE2902());
pOtaCharacteristic->setCallbacks(new otaCallback(this));
// Start the service(s)
pESPOTAService->start();
pService->start();
// Start advertising
pServer->getAdvertising()->addServiceUUID(SERVICE_UUID_ESPOTA);
pServer->getAdvertising()->start();
uint8_t hardwareVersion[5] = {HARDWARE_VERSION_MAJOR, HARDWARE_VERSION_MINOR,
SOFTWARE_VERSION_MAJOR, SOFTWARE_VERSION_MINOR,
SOFTWARE_VERSION_PATCH};
pVersionCharacteristic->setValue((uint8_t *)hardwareVersion, 5);
pWatchFaceNameCharacteristic->setValue("Watchy 7 Segment");
return true;
}
int BLE::updateStatus() { return status; }
int BLE::howManyBytes() { return bytesReceived; }