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NimbleController : Encapsulate CTS client in its own class.

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This commit is contained in:
JF 2020-04-23 20:57:53 +02:00
parent 24a7b6e397
commit 89ccdd0003
5 changed files with 141 additions and 92 deletions
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2
src/CMakeLists.txt
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@ -318,6 +318,7 @@ list(APPEND SOURCE_FILES
Components/Brightness/BrightnessController.cpp
Components/Ble/NimbleController.cpp
Components/Ble/DeviceInformationService.cpp
Components/Ble/CurrentTimeClient.cpp
drivers/Cst816s.cpp
FreeRTOS/port.c
FreeRTOS/port_cmsis_systick.c
@ -364,6 +365,7 @@ set(INCLUDE_FILES
Components/Brightness/BrightnessController.h
Components/Ble/NimbleController.h
Components/Ble/DeviceInformationService.h
Components/Ble/CurrentTimeClient.h
drivers/Cst816s.h
FreeRTOS/portmacro.h
FreeRTOS/portmacro_cmsis.h

78
src/Components/Ble/CurrentTimeClient.cpp Normal file
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@ -0,0 +1,78 @@
#include <hal/nrf_rtc.h>
#include "CurrentTimeClient.h"
using namespace Pinetime::Controllers;
constexpr ble_uuid16_t CurrentTimeClient::ctsServiceUuid;
constexpr ble_uuid16_t CurrentTimeClient::currentTimeCharacteristicUuid;
int Pinetime::Controllers::CurrentTimeDiscoveryEventCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_svc *service, void *arg) {
auto client = static_cast<CurrentTimeClient*>(arg);
return client->OnDiscoveryEvent(conn_handle, error, service);
}
int Pinetime::Controllers::CurrentTimeCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto client = static_cast<CurrentTimeClient*>(arg);
return client->OnCharacteristicDiscoveryEvent(conn_handle, error, chr);
}
int Pinetime::Controllers::CurrentTimeReadCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
struct ble_gatt_attr *attr, void *arg) {
auto client = static_cast<CurrentTimeClient*>(arg);
return client->OnCurrentTimeReadResult(conn_handle, error, attr);
}
CurrentTimeClient::CurrentTimeClient(DateTime& dateTimeController) : dateTimeController{dateTimeController} {
}
void CurrentTimeClient::Init() {
}
void CurrentTimeClient::StartDiscovery(uint16_t connectionHandle) {
ble_gattc_disc_svc_by_uuid(connectionHandle, ((ble_uuid_t*)&ctsServiceUuid), CurrentTimeDiscoveryEventCallback, this);
}
int CurrentTimeClient::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) {
if(service == nullptr && error->status == BLE_HS_EDONE)
NRF_LOG_INFO("Discovery complete");
if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ctsServiceUuid), &service->uuid.u) == 0) {
NRF_LOG_INFO("CTS discovered : 0x%x", service->start_handle);
ble_gattc_disc_chrs_by_uuid(connectionHandle, service->start_handle, service->end_handle, ((ble_uuid_t*)&currentTimeCharacteristicUuid), CurrentTimeCharacteristicDiscoveredCallback, this);
}
return 0;
}
int CurrentTimeClient::OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) {
if(characteristic == nullptr && error->status == BLE_HS_EDONE)
NRF_LOG_INFO("Characteristic discovery complete");
if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&currentTimeCharacteristicUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("CTS Characteristic discovered : 0x%x", characteristic->val_handle);
ble_gattc_read(conn_handle, characteristic->val_handle, CurrentTimeReadCallback, this);
}
return 0;
}
int CurrentTimeClient::OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute) {
if(error->status == 0) {
// TODO check that attribute->handle equals the handle discovered in OnCharacteristicDiscoveryEvent
CtsData result;
os_mbuf_copydata(attribute->om, 0, sizeof(CtsData), &result);
NRF_LOG_INFO("Received data: %d-%d-%d %d:%d:%d", result.year,
result.month, result.dayofmonth,
result.hour, result.minute, result.second);
dateTimeController.SetTime(result.year, result.month, result.dayofmonth,
0, result.hour, result.minute, result.second, nrf_rtc_counter_get(portNRF_RTC_REG));
} else {
NRF_LOG_INFO("Error retrieving current time: %d", error->status);
}
return 0;
}

54
src/Components/Ble/CurrentTimeClient.h Normal file
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@ -0,0 +1,54 @@
#pragma once
#include <cstdint>
#include <array>
#include <Components/DateTime/DateTimeController.h>
#include <host/ble_gap.h>
namespace Pinetime {
namespace Controllers {
int CurrentTimeDiscoveryEventCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_svc *service, void *arg);
int CurrentTimeCharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg);
int CurrentTimeReadCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
struct ble_gatt_attr *attr, void *arg);
class CurrentTimeClient {
public:
explicit CurrentTimeClient(DateTime& dateTimeController);
void Init();
int OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service);
int OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic);
int OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute);
void StartDiscovery(uint16_t connectionHandle);
private:
typedef struct __attribute__((packed)) {
uint16_t year;
uint8_t month;
uint8_t dayofmonth;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t millis;
uint8_t reason;
} CtsData;
static constexpr uint16_t ctsServiceId {0x1805};
static constexpr uint16_t currentTimeCharacteristicId {0x2a2b};
static constexpr ble_uuid16_t ctsServiceUuid {
.u { .type = BLE_UUID_TYPE_16 },
.value = ctsServiceId
};
static constexpr ble_uuid16_t currentTimeCharacteristicUuid {
.u { .type = BLE_UUID_TYPE_16 },
.value = currentTimeCharacteristicId
};
DateTime& dateTimeController;
};
}
}

72
src/Components/Ble/NimbleController.cpp
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@ -14,12 +14,8 @@ using namespace Pinetime::Controllers;
// TODO c++ify the following code
// - cts should be in it own class
NimbleController::NimbleController(DateTime& datetimeController) : dateTimeController{datetimeController} {
ctsUuid.u.type = BLE_UUID_TYPE_16;
ctsUuid.value = BleGatServiceCts;
ctsCurrentTimeUuid.u.type = BLE_UUID_TYPE_16;
ctsCurrentTimeUuid.value = bleGattCharacteristicCurrentTime;
NimbleController::NimbleController(DateTime &datetimeController) : dateTimeController{datetimeController},
currentTimeClient{datetimeController} {
}
@ -28,24 +24,6 @@ int GAPEventCallback(struct ble_gap_event *event, void *arg) {
return nimbleController->OnGAPEvent(event);
}
int DiscoveryEventCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_svc *service, void *arg) {
auto nimbleController = static_cast<NimbleController*>(arg);
return nimbleController->OnDiscoveryEvent(conn_handle, error, service);
}
int CharacteristicDiscoveredCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
const struct ble_gatt_chr *chr, void *arg) {
auto nimbleController = static_cast<NimbleController*>(arg);
return nimbleController->OnCharacteristicDiscoveryEvent(conn_handle, error, chr);
}
static int CurrentTimeReadCallback(uint16_t conn_handle, const struct ble_gatt_error *error,
struct ble_gatt_attr *attr, void *arg) {
auto nimbleController = static_cast<NimbleController*>(arg);
return nimbleController->OnCurrentTimeReadResult(conn_handle, error, attr);
}
void NimbleController::Init() {
while (!ble_hs_synced()) {}
@ -53,6 +31,7 @@ void NimbleController::Init() {
ble_svc_gatt_init();
deviceInformationService.Init();
currentTimeClient.Init();
int res;
res = ble_hs_util_ensure_addr(0);
res = ble_hs_id_infer_auto(0, &addrType);
@ -123,8 +102,7 @@ int NimbleController::OnGAPEvent(ble_gap_event *event) {
StartAdvertising();
} else {
connectionHandle = event->connect.conn_handle;
ble_gattc_disc_svc_by_uuid(connectionHandle, ((ble_uuid_t*)&ctsUuid), DiscoveryEventCallback, this);
currentTimeClient.StartDiscovery(connectionHandle);
}
}
break;
@ -184,48 +162,6 @@ int NimbleController::OnGAPEvent(ble_gap_event *event) {
return 0;
}
int NimbleController::OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service) {
if(service == nullptr && error->status == BLE_HS_EDONE)
NRF_LOG_INFO("Discovery complete");
if(service != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ctsUuid), &service->uuid.u) == 0) {
NRF_LOG_INFO("CTS discovered : 0x%x", service->start_handle);
ble_gattc_disc_chrs_by_uuid(connectionHandle, service->start_handle, service->end_handle, ((ble_uuid_t*)&ctsCurrentTimeUuid), CharacteristicDiscoveredCallback, this);
}
return 0;
}
int NimbleController::OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic) {
if(characteristic == nullptr && error->status == BLE_HS_EDONE)
NRF_LOG_INFO("Characteristic discovery complete");
if(characteristic != nullptr && ble_uuid_cmp(((ble_uuid_t*)&ctsCurrentTimeUuid), &characteristic->uuid.u) == 0) {
NRF_LOG_INFO("CTS Characteristic discovered : 0x%x", characteristic->val_handle);
ble_gattc_read(conn_handle, characteristic->val_handle, CurrentTimeReadCallback, this);
}
return 0;
}
int NimbleController::OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute) {
if(error->status == 0) {
// TODO check that attribute->handle equals the handle discovered in OnCharacteristicDiscoveryEvent
CtsData result;
os_mbuf_copydata(attribute->om, 0, sizeof(CtsData), &result);
NRF_LOG_INFO("Received data: %d-%d-%d %d:%d:%d", result.year,
result.month, result.dayofmonth,
result.hour, result.minute, result.second);
dateTimeController.SetTime(result.year, result.month, result.dayofmonth,
0, result.hour, result.minute, result.second, nrf_rtc_counter_get(portNRF_RTC_REG));
} else {
NRF_LOG_INFO("Error retrieving current time: %d", error->status);
}
return 0;
}

27
src/Components/Ble/NimbleController.h
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@ -3,6 +3,7 @@
#include <cstdint>
#include "DeviceInformationService.h"
#include "CurrentTimeClient.h"
#include <host/ble_gap.h>
namespace Pinetime {
@ -14,34 +15,12 @@ namespace Pinetime {
void Init();
void StartAdvertising();
int OnGAPEvent(ble_gap_event *event);
int OnDiscoveryEvent(uint16_t connectionHandle, const ble_gatt_error *error, const ble_gatt_svc *service);
int
OnCharacteristicDiscoveryEvent(uint16_t conn_handle, const ble_gatt_error *error,
const ble_gatt_chr *characteristic);
int OnCurrentTimeReadResult(uint16_t conn_handle, const ble_gatt_error *error, const ble_gatt_attr *attribute);
private:
static constexpr char* deviceName = "Pinetime-JF";
static constexpr uint16_t BleGatServiceCts = 0x1805;
typedef struct __attribute__((packed)) {
uint16_t year;
uint8_t month;
uint8_t dayofmonth;
uint8_t hour;
uint8_t minute;
uint8_t second;
uint8_t millis;
uint8_t reason;
} CtsData;
DateTime& dateTimeController;
DeviceInformationService deviceInformationService;
ble_uuid16_t ctsUuid;
static constexpr uint16_t bleGattCharacteristicCurrentTime = 0x2a2b;
ble_uuid16_t ctsCurrentTimeUuid;
CurrentTimeClient currentTimeClient;
uint8_t addrType;
uint16_t connectionHandle;
};