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#include <hal/nrf_rtc.h>
#include "NotificationManager.h"
#include <systemtask/SystemTask.h>
#include "AlertNotificationService.h"
#include <cstring>
using namespace Pinetime::Controllers;
constexpr ble_uuid16_t AlertNotificationService::ansUuid;
constexpr ble_uuid16_t AlertNotificationService::ansCharUuid;
int AlertNotificationCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt *ctxt, void *arg) {
auto anService = static_cast<AlertNotificationService*>(arg);
return anService->OnAlert(conn_handle, attr_handle, ctxt);
}
void AlertNotificationService::Init() {
int res;
res = ble_gatts_count_cfg(serviceDefinition);
ASSERT(res == 0);
res = ble_gatts_add_svcs(serviceDefinition);
ASSERT(res == 0);
}
AlertNotificationService::AlertNotificationService ( System::SystemTask& systemTask, NotificationManager& notificationManager )
: characteristicDefinition{
{
.uuid = (ble_uuid_t *) &ansCharUuid,
.access_cb = AlertNotificationCallback,
.arg = this,
.flags = BLE_GATT_CHR_F_WRITE
},
{
0
}
},
serviceDefinition{
{
/* Device Information Service */
.type = BLE_GATT_SVC_TYPE_PRIMARY,
.uuid = (ble_uuid_t *) &ansUuid,
.characteristics = characteristicDefinition
},
{
0
},
}, m_systemTask{systemTask}, m_notificationManager{notificationManager} {
}
int AlertNotificationService::OnAlert(uint16_t conn_handle, uint16_t attr_handle,
struct ble_gatt_access_ctxt *ctxt) {
if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {
// TODO implement this with more memory safety (and constexpr)
static const size_t maxBufferSize{21};
static const size_t maxMessageSize{18};
size_t bufferSize = min(OS_MBUF_PKTLEN(ctxt->om), maxBufferSize);
uint8_t data[bufferSize];
os_mbuf_copydata(ctxt->om, 0, bufferSize, data);
char *s = (char *) &data[3];
auto messageSize = min(maxMessageSize, (bufferSize-3));
for (uint i = 0; i < messageSize-1; i++) {
if (s[i] == 0x00) {
s[i] = 0x0A;
}
}
s[messageSize-1] = '\0';
m_notificationManager.Push(Pinetime::Controllers::NotificationManager::Categories::SimpleAlert, s, messageSize);
m_systemTask.PushMessage(Pinetime::System::SystemTask::Messages::OnNewNotification);
}
return 0;
}
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