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#pragma once
#include <cstdint>
#include <array>
#define min // workaround: nimble's min/max macros conflict with libstdc++
#define max
#include <host/ble_gap.h>
#undef max
#undef min
namespace Pinetime {
namespace System {
class SystemTask;
}
namespace Drivers {
class SpiNorFlash;
}
namespace Controllers {
class Ble;
class DfuService {
public:
DfuService(Pinetime::System::SystemTask &systemTask, Pinetime::Controllers::Ble &bleController,
Pinetime::Drivers::SpiNorFlash &spiNorFlash);
void Init();
int OnServiceData(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt *context);
void OnTimeout();
void Reset();
class NotificationManager {
public:
NotificationManager();
bool AsyncSend(uint16_t connection, uint16_t charactHandle, uint8_t *data, size_t size);
void Send(uint16_t connection, uint16_t characteristicHandle, const uint8_t *data, const size_t s);
private:
TimerHandle_t timer;
uint16_t connectionHandle = 0;
uint16_t characteristicHandle = 0;
size_t size = 0;
uint8_t buffer[10];
public:
void OnNotificationTimer();
void Reset();
};
class DfuImage {
public:
DfuImage(Pinetime::Drivers::SpiNorFlash& spiNorFlash) : spiNorFlash{spiNorFlash} {}
void Init(size_t chunkSize, size_t totalSize, uint16_t expectedCrc);
void Erase();
void Append(uint8_t* data, size_t size);
bool Validate();
bool IsComplete();
private:
Pinetime::Drivers::SpiNorFlash& spiNorFlash;
static constexpr size_t bufferSize = 200;
bool ready = false;
size_t chunkSize = 0;
size_t totalSize = 0;
size_t maxSize = 475136;
size_t bufferWriteIndex = 0;
size_t totalWriteIndex = 0;
static constexpr size_t writeOffset = 0x40000;
uint8_t tempBuffer[bufferSize];
uint16_t expectedCrc = 0;
void WriteMagicNumber();
uint16_t ComputeCrc(uint8_t const *p_data, uint32_t size, uint16_t const *p_crc);
};
private:
Pinetime::System::SystemTask &systemTask;
Pinetime::Controllers::Ble &bleController;
DfuImage dfuImage;
NotificationManager notificationManager;
static constexpr uint16_t dfuServiceId{0x1530};
static constexpr uint16_t packetCharacteristicId{0x1532};
static constexpr uint16_t controlPointCharacteristicId{0x1531};
static constexpr uint16_t revisionCharacteristicId{0x1534};
uint16_t revision{0x0008};
static constexpr ble_uuid128_t serviceUuid{
.u {.type = BLE_UUID_TYPE_128},
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
0xDE, 0xEF, 0x12, 0x12, 0x30, 0x15, 0x00, 0x00}
};
static constexpr ble_uuid128_t packetCharacteristicUuid{
.u {.type = BLE_UUID_TYPE_128},
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
0xDE, 0xEF, 0x12, 0x12, 0x32, 0x15, 0x00, 0x00}
};
static constexpr ble_uuid128_t controlPointCharacteristicUuid{
.u {.type = BLE_UUID_TYPE_128},
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
0xDE, 0xEF, 0x12, 0x12, 0x31, 0x15, 0x00, 0x00}
};
static constexpr ble_uuid128_t revisionCharacteristicUuid{
.u {.type = BLE_UUID_TYPE_128},
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
0xDE, 0xEF, 0x12, 0x12, 0x34, 0x15, 0x00, 0x00}
};
struct ble_gatt_chr_def characteristicDefinition[4];
struct ble_gatt_svc_def serviceDefinition[2];
uint16_t packetCharacteristicHandle;
uint16_t controlPointCharacteristicHandle;
uint16_t revisionCharacteristicHandle;
enum class States : uint8_t {
Idle, Init, Start, Data, Validate, Validated
};
States state = States::Idle;
enum class ImageTypes : uint8_t {
NoImage = 0x00,
SoftDevice = 0x01,
Bootloader = 0x02,
SoftDeviceAndBootloader = 0x03,
Application = 0x04
};
enum class Opcodes : uint8_t {
StartDFU = 0x01,
InitDFUParameters = 0x02,
ReceiveFirmwareImage = 0x03,
ValidateFirmware = 0x04,
ActivateImageAndReset = 0x05,
PacketReceiptNotificationRequest = 0x08,
Response = 0x10,
PacketReceiptNotification = 0x11
};
enum class ErrorCodes {
NoError = 0x01,
InvalidState = 0x02,
NotSupported = 0x03,
DataSizeExceedsLimits = 0x04,
CrcError = 0x05,
OperationFailed = 0x06
};
uint8_t nbPacketsToNotify = 0;
uint32_t nbPacketReceived = 0;
uint32_t bytesReceived = 0;
uint32_t softdeviceSize = 0;
uint32_t bootloaderSize = 0;
uint32_t applicationSize = 0;
uint16_t expectedCrc = 0;
int SendDfuRevision(os_mbuf *om) const;
int WritePacketHandler(uint16_t connectionHandle, os_mbuf *om);
int ControlPointHandler(uint16_t connectionHandle, os_mbuf *om);
TimerHandle_t timeoutTimer;
};
}
}
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