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Clean code of DfuService

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This commit is contained in:
JF 2020-05-01 17:58:10 +02:00
parent 0195ece317
commit 56b527925c
3 changed files with 160 additions and 112 deletions
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215
src/Components/Ble/DfuService.cpp
View file

@ -61,8 +61,6 @@ DfuService::DfuService() :
void DfuService::Init() { void DfuService::Init() {
ble_gatts_count_cfg(serviceDefinition); ble_gatts_count_cfg(serviceDefinition);
ble_gatts_add_svcs(serviceDefinition); ble_gatts_add_svcs(serviceDefinition);
} }
int DfuService::OnServiceData(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt *context) { int DfuService::OnServiceData(uint16_t connectionHandle, uint16_t attributeHandle, ble_gatt_access_ctxt *context) {
@ -71,112 +69,137 @@ int DfuService::OnServiceData(uint16_t connectionHandle, uint16_t attributeHandl
ble_gatts_find_chr((ble_uuid_t*)&serviceUuid, (ble_uuid_t*)&controlPointCharacteristicUuid, nullptr, &controlPointCharacteristicHandle); ble_gatts_find_chr((ble_uuid_t*)&serviceUuid, (ble_uuid_t*)&controlPointCharacteristicUuid, nullptr, &controlPointCharacteristicHandle);
ble_gatts_find_chr((ble_uuid_t*)&serviceUuid, (ble_uuid_t*)&revisionCharacteristicUuid, nullptr, &revisionCharacteristicHandle); ble_gatts_find_chr((ble_uuid_t*)&serviceUuid, (ble_uuid_t*)&revisionCharacteristicUuid, nullptr, &revisionCharacteristicHandle);
/* * o BLE_GATT_ACCESS_OP_READ_CHR
* o BLE_GATT_ACCESS_OP_WRITE_CHR
* o BLE_GATT_ACCESS_OP_READ_DSC
* o BLE_GATT_ACCESS_OP_WRITE_DSC
* */
char* op;
switch(context->op) {
case BLE_GATT_ACCESS_OP_READ_CHR: op = "Read Characteristic"; break;
case BLE_GATT_ACCESS_OP_WRITE_CHR: op = "Write Characteristic"; break;
case BLE_GATT_ACCESS_OP_READ_DSC: op = "Read Descriptor"; break;
case BLE_GATT_ACCESS_OP_WRITE_DSC: op = "Write Descriptor"; break;
}
if(attributeHandle == packetCharacteristicHandle) { if(attributeHandle == packetCharacteristicHandle) {
NRF_LOG_INFO("[DFU] %s Packet", op); if(context->op == BLE_GATT_ACCESS_OP_WRITE_CHR)
if(context->op == BLE_GATT_ACCESS_OP_WRITE_CHR) { return WritePacketHandler(connectionHandle, context->om);
// NRF_LOG_INFO("[DFU] -> Write %dB", context->om->om_len); else return 0;
if(opcode == 1) { } else if(attributeHandle == controlPointCharacteristicHandle) {
uint8_t data[3]{16, opcode, param}; if(context->op == BLE_GATT_ACCESS_OP_WRITE_CHR)
NRF_LOG_INFO("[DFU] -> Send notification: {%d, %d, %d}", data[0], data[1], data[2]); return ControlPointHandler(connectionHandle, context->om);
else return 0;
auto *om = ble_hs_mbuf_from_flat(data, 3); } else if(attributeHandle == revisionCharacteristicHandle) {
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om); if(context->op == BLE_GATT_ACCESS_OP_READ_CHR)
return SendDfuRevision(context->om);
else return 0;
} else {
NRF_LOG_INFO("[DFU] Unknown Characteristic : %d", attributeHandle);
return 0;
} }
if(dataMode){ }
int DfuService::SendDfuRevision(os_mbuf *om) const {
int res = os_mbuf_append(om, &revision, sizeof(revision));
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
int DfuService::WritePacketHandler(uint16_t connectionHandle, os_mbuf *om) {
switch(state) {
case States::Start: {
uint8_t data[] {16, 1, 1};
SendNotification(connectionHandle, data, 3);
}
return 0;
case States::Data: {
nbPacketReceived++; nbPacketReceived++;
bytesReceived += context->om->om_len; bytesReceived += om->om_len;
NRF_LOG_INFO("[DFU] -> Bytes received : %d in %d packets", bytesReceived, nbPacketReceived); NRF_LOG_INFO("[DFU] -> Bytes received : %d in %d packets", bytesReceived, nbPacketReceived);
if((nbPacketReceived % nbPacketsToNotify) == 0) { if((nbPacketReceived % nbPacketsToNotify) == 0) {
uint8_t data[5]{17, (uint8_t)(bytesReceived>>24),(uint8_t)(bytesReceived>>16), (uint8_t)(bytesReceived>>8), (uint8_t)(bytesReceived&0x000000FF) }; uint8_t data[5]{static_cast<uint8_t>(Opcodes::PacketReceiptNotification),
(uint8_t)(bytesReceived>>24u),(uint8_t)(bytesReceived>>16u), (uint8_t)(bytesReceived>>8u), (uint8_t)(bytesReceived&0x000000FFu) };
NRF_LOG_INFO("[DFU] -> Send packet notification: %d bytes received",bytesReceived); NRF_LOG_INFO("[DFU] -> Send packet notification: %d bytes received",bytesReceived);
SendNotification(connectionHandle, data, 5);
auto *om = ble_hs_mbuf_from_flat(data, 5);
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om);
} }
if(bytesReceived == 175280) { if(bytesReceived == 175280) {
uint8_t data[3]{16, 3, 1}; uint8_t data[3]{static_cast<uint8_t>(Opcodes::Response),
static_cast<uint8_t>(Opcodes::ReceiveFirmwareImage),
static_cast<uint8_t>(ErrorCodes::NoError)};
NRF_LOG_INFO("[DFU] -> Send packet notification : all bytes received!"); NRF_LOG_INFO("[DFU] -> Send packet notification : all bytes received!");
SendNotification(connectionHandle, data, 3);
auto *om = ble_hs_mbuf_from_flat(data, 3); state = States::Validate;
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om);
} }
} }
return 0;
default:
// Invalid state
return 0;
} }
} else if (attributeHandle == controlPointCharacteristicHandle) {
NRF_LOG_INFO("[DFU] %s ControlPoint", op);
if(context->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
// NRF_LOG_INFO("[DFU] -> Write %dB {%d, %d}", context->om->om_len, context->om->om_data[0], context->om->om_data[1]);
switch(context->om->om_data[0]) {
case 0x01: {// START DFU
NRF_LOG_INFO("[DFU] -> Start DFU, mode = %d", context->om->om_data[1]);
opcode = 0x01;
param = 1;
}
break;
case 0x02:
NRF_LOG_INFO("[DFU] -> Receive init, state (0=RX, 1=Complete) = %d", context->om->om_data[1]);
opcode = 0x02;
param = context->om->om_data[1];
if(param == 1) {
uint8_t data[3] {16, opcode, param};
NRF_LOG_INFO("[DFU] -> Send notification: {%d, %d, %d}", data[0], data[1], data[2]);
auto *om = ble_hs_mbuf_from_flat(data, 3);
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om);
}
break;
case 0x08:
nbPacketsToNotify = context->om->om_data[1];
NRF_LOG_INFO("[DFU] -> Receive Packet Notification Request, nb packet = %d", nbPacketsToNotify);
break;
case 0x03:
NRF_LOG_INFO("[DFU] -> Starting receive firmware");
dataMode = true;
break;
case 0x04: {
NRF_LOG_INFO("[DFU] -> Validate firmware");
uint8_t data[3]{16, 4, 1};
NRF_LOG_INFO("[DFU] -> Send notification: {%d, %d, %d}", data[0], data[1], data[2]);
auto *om = ble_hs_mbuf_from_flat(data, 3);
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om);
}
break;
case 0x05:
NRF_LOG_INFO("[DFU] -> Activate image and reset!");
break;
}
}
} else if(attributeHandle == revisionCharacteristicHandle) {
NRF_LOG_INFO("[DFU] %s Revision", op);
if(context->op == BLE_GATT_ACCESS_OP_READ_CHR) {
int res = os_mbuf_append(context->om, &revision, 2);
return (res == 0) ? 0 : BLE_ATT_ERR_INSUFFICIENT_RES;
}
} else {
NRF_LOG_INFO("[DFU] Unknown Characteristic : %d - %s", attributeHandle, op);
}
return 0; return 0;
} }
int DfuService::ControlPointHandler(uint16_t connectionHandle, os_mbuf *om) {
auto opcode = static_cast<Opcodes>(om->om_data[0]);
switch(opcode) {
case Opcodes::StartDFU: {
if(state != States::Idle) {
NRF_LOG_INFO("[DFU] -> Start DFU requested, but we are not in Idle state");
return 0;
}
auto imageType = static_cast<ImageTypes>(om->om_data[1]);
if(imageType == ImageTypes::Application) {
NRF_LOG_INFO("[DFU] -> Start DFU, mode = Application");
state = States::Start;
return 0;
} else {
NRF_LOG_INFO("[DFU] -> Start DFU, mode %d not supported!", imageType);
return 0;
}
}
break;
case Opcodes::InitDFUParameters: {
if (state != States::Start) {
NRF_LOG_INFO("[DFU] -> Init DFU requested, but we are not in Start state");
return 0;
}
bool isInitComplete = (om->om_data[1] != 0);
NRF_LOG_INFO("[DFU] -> Init DFU parameters %s", isInitComplete ? " complete" : " not complete");
if (isInitComplete) {
uint8_t data[3]{static_cast<uint8_t>(Opcodes::Response),
static_cast<uint8_t>(Opcodes::InitDFUParameters),
(isInitComplete ? uint8_t{1} : uint8_t{0})};
SendNotification(connectionHandle, data, 3);
return 0;
}
}
return 0;
case Opcodes::PacketReceiptNotificationRequest:
nbPacketsToNotify = om->om_data[1];
NRF_LOG_INFO("[DFU] -> Receive Packet Notification Request, nb packet = %d", nbPacketsToNotify);
return 0;
case Opcodes::ReceiveFirmwareImage:
if(state != States::Start) {
NRF_LOG_INFO("[DFU] -> Receive firmware image requested, but we are not in Start state");
return 0;
}
NRF_LOG_INFO("[DFU] -> Starting receive firmware");
state = States::Data;
return 0;
case Opcodes::ValidateFirmware: {
if(state != States::Validate) {
NRF_LOG_INFO("[DFU] -> Validate firmware image requested, but we are not in Data state");
return 0;
}
NRF_LOG_INFO("[DFU] -> Validate firmware");
state = States::Validated;
uint8_t data[3]{static_cast<uint8_t>(Opcodes::Response),
static_cast<uint8_t>(Opcodes::ValidateFirmware),
static_cast<uint8_t>(ErrorCodes::NoError)};
SendNotification(connectionHandle, data, 3);
return 0;
}
case Opcodes::ActivateImageAndReset:
if(state != States::Validated) {
NRF_LOG_INFO("[DFU] -> Activate image and reset requested, but we are not in Validated state");
return 0;
}
NRF_LOG_INFO("[DFU] -> Activate image and reset!");
return 0;
default: return 0;
}
}
void DfuService::SendNotification(uint16_t connectionHandle, const uint8_t *data, const size_t size) {
auto *om = ble_hs_mbuf_from_flat(data, size);
ble_gattc_notify_custom(connectionHandle, controlPointCharacteristicHandle, om);
}

35
src/Components/Ble/DfuService.h
View file

@ -20,8 +20,6 @@ namespace Pinetime {
uint16_t revision {0x0008}; uint16_t revision {0x0008};
static constexpr uint16_t opcodeInit = 0x0002;
static constexpr ble_uuid128_t serviceUuid { static constexpr ble_uuid128_t serviceUuid {
.u { .type = BLE_UUID_TYPE_128}, .u { .type = BLE_UUID_TYPE_128},
.value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15, .value = {0x23, 0xD1, 0xBC, 0xEA, 0x5F, 0x78, 0x23, 0x15,
@ -51,12 +49,39 @@ namespace Pinetime {
uint16_t packetCharacteristicHandle; uint16_t packetCharacteristicHandle;
uint16_t controlPointCharacteristicHandle; uint16_t controlPointCharacteristicHandle;
uint16_t revisionCharacteristicHandle; uint16_t revisionCharacteristicHandle;
uint8_t opcode = 0;
uint8_t param = 0; 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};
uint8_t nbPacketsToNotify = 0; uint8_t nbPacketsToNotify = 0;
uint32_t nbPacketReceived = 0; uint32_t nbPacketReceived = 0;
bool dataMode = false;
uint32_t bytesReceived = 0; uint32_t bytesReceived = 0;
int SendDfuRevision(os_mbuf *om) const;
void SendNotification(uint16_t connectionHandle, const uint8_t *data, const size_t size);
int WritePacketHandler(uint16_t connectionHandle, os_mbuf *om);
int ControlPointHandler(uint16_t connectionHandle, os_mbuf *om);
}; };
} }
} }

6
src/sdk_config.h
View file

@ -8460,15 +8460,15 @@
// <e> NRF_LOG_ENABLED - nrf_log - Logger // <e> NRF_LOG_ENABLED - nrf_log - Logger
//========================================================== //==========================================================
#ifndef NRF_LOG_ENABLED #ifndef NRF_LOG_ENABLED
#define NRF_LOG_ENABLED 1 #define NRF_LOG_ENABLED 0
#endif #endif
#ifndef NRF_LOG_BACKEND_RTT_ENABLED #ifndef NRF_LOG_BACKEND_RTT_ENABLED
#define NRF_LOG_BACKEND_RTT_ENABLED 1 #define NRF_LOG_BACKEND_RTT_ENABLED 0
#endif #endif
#ifndef NRF_LOG_BACKEND_SERIAL_USES_RTT #ifndef NRF_LOG_BACKEND_SERIAL_USES_RTT
#define NRF_LOG_BACKEND_SERIAL_USES_RTT 1 #define NRF_LOG_BACKEND_SERIAL_USES_RTT 0
#endif #endif
// <h> Log message pool - Configuration of log message pool // <h> Log message pool - Configuration of log message pool