Delta / Mbed OS BLE_HIDScanner_DELTA

Example for BLE HID scanner

Fork of BLE_HIDScanner_DELTA by Silvia Chen

HIDService.h@1:8bca989a70be, 2017-02-07 (annotated)

Committer:
silviaChen
Date:
Tue Feb 07 02:51:56 2017 +0000
Revision:
1:8bca989a70be
Child:
2:9f46fa6237dd
BLE HID Keyboard demo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
silviaChen 1:8bca989a70be 1 #ifndef __BLE_HID_SERVICE_H__
silviaChen 1:8bca989a70be 2 #define __BLE_HID_SERVICE_H__
silviaChen 1:8bca989a70be 3
silviaChen 1:8bca989a70be 4 #include "BLE.h"
silviaChen 1:8bca989a70be 5 /**
silviaChen 1:8bca989a70be 6 * @class Human Interface Device Service
silviaChen 1:8bca989a70be 7 * @brief BLE Human Interface Device Service. This service displays the Glucose measurement value represented as a 16bit Float format.<br>
silviaChen 1:8bca989a70be 8 * @Author: Marco.Hsu
silviaChen 1:8bca989a70be 9 * @Email: marco.missyou@gmail.com
silviaChen 1:8bca989a70be 10 */
silviaChen 1:8bca989a70be 11
silviaChen 1:8bca989a70be 12 extern const uint8_t KeyboardReportMap[76];
silviaChen 1:8bca989a70be 13
silviaChen 1:8bca989a70be 14 class HIDService {
silviaChen 1:8bca989a70be 15 public:
silviaChen 1:8bca989a70be 16 HIDService(BLEDevice &_ble, const uint8_t* key = &KeyboardReportMap[0]):
silviaChen 1:8bca989a70be 17 ble(_ble),
silviaChen 1:8bca989a70be 18 protocol_modeValue(1), // Report Protocol Mode(1), Boot Protocol Mode(0)
silviaChen 1:8bca989a70be 19 KeyboardMap(key),
silviaChen 1:8bca989a70be 20 Protocol_Mode(GattCharacteristic::UUID_PROTOCOL_MODE_CHAR, &protocol_modeValue, 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE|GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
silviaChen 1:8bca989a70be 21 ReportMap(GattCharacteristic::UUID_REPORT_MAP_CHAR, KeyboardMap.getPointer(), 76, sizeof(KeyboardMap), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ |GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
silviaChen 1:8bca989a70be 22 Report(GattCharacteristic::UUID_REPORT_CHAR, reportValue.getPointer(), 8, 8, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY|GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
silviaChen 1:8bca989a70be 23 HID_Information(GattCharacteristic::UUID_HID_INFORMATION_CHAR, hidInformation.getPointer(), 4, 4, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
silviaChen 1:8bca989a70be 24 HID_Control_Point(GattCharacteristic::UUID_HID_CONTROL_POINT_CHAR, &hidcontrolPointer, 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE)
silviaChen 1:8bca989a70be 25 {
silviaChen 1:8bca989a70be 26 static bool serviceAdded = false; /* We should only ever need to add the heart rate service once. */
silviaChen 1:8bca989a70be 27 if (serviceAdded) {
silviaChen 1:8bca989a70be 28 return;
silviaChen 1:8bca989a70be 29 }
silviaChen 1:8bca989a70be 30
silviaChen 1:8bca989a70be 31 //SecurityManager::SecurityMode_t securityMode = SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM;
silviaChen 1:8bca989a70be 32 Protocol_Mode.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM);
silviaChen 1:8bca989a70be 33 ReportMap.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM);
silviaChen 1:8bca989a70be 34 Report.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM);
silviaChen 1:8bca989a70be 35 HID_Information.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM);
silviaChen 1:8bca989a70be 36 HID_Control_Point.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_NO_MITM);
silviaChen 1:8bca989a70be 37 GattCharacteristic *charTable[] = {&Protocol_Mode, &ReportMap, &Report, &HID_Information, &HID_Control_Point};
silviaChen 1:8bca989a70be 38 GattService HIDGattService(GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
silviaChen 1:8bca989a70be 39 ble.addService(HIDGattService);
silviaChen 1:8bca989a70be 40 serviceAdded = true;
silviaChen 1:8bca989a70be 41 ble.onDataWritten(this, &HIDService::onDataWritten);
silviaChen 1:8bca989a70be 42 }
silviaChen 1:8bca989a70be 43 public:
silviaChen 1:8bca989a70be 44 void updateReport(uint8_t modifydata, uint8_t data) {
silviaChen 1:8bca989a70be 45 reportValue.updateReportValue(modifydata, data);
silviaChen 1:8bca989a70be 46
silviaChen 1:8bca989a70be 47 //ble.updateCharacteristicValue(Report.getValueAttribute().getHandle(), reportValue.getPointer(), 8);
silviaChen 1:8bca989a70be 48 ble.gattServer().write(Report.getValueAttribute().getHandle(), reportValue.getPointer(), 8);
silviaChen 1:8bca989a70be 49 }
silviaChen 1:8bca989a70be 50
silviaChen 1:8bca989a70be 51 virtual void onDataWritten(const GattWriteCallbackParams *params) {
silviaChen 1:8bca989a70be 52 if (params->handle == HID_Control_Point.getValueAttribute().getHandle()) {
silviaChen 1:8bca989a70be 53 uint16_t bytesRead = params->len;
silviaChen 1:8bca989a70be 54 if (bytesRead == 1) {
silviaChen 1:8bca989a70be 55 memcpy(&hidcontrolPointer, params->data, bytesRead);
silviaChen 1:8bca989a70be 56 }
silviaChen 1:8bca989a70be 57 }
silviaChen 1:8bca989a70be 58 if (params->handle == Report.getValueAttribute().getHandle()) {
silviaChen 1:8bca989a70be 59 uint16_t bytesRead = params->len;
silviaChen 1:8bca989a70be 60 if (bytesRead <= 4) {
silviaChen 1:8bca989a70be 61 memcpy(&reportValue, params->data, bytesRead);
silviaChen 1:8bca989a70be 62 }
silviaChen 1:8bca989a70be 63 }
silviaChen 1:8bca989a70be 64 }
silviaChen 1:8bca989a70be 65
silviaChen 1:8bca989a70be 66 private:
silviaChen 1:8bca989a70be 67 struct ReportMapStructure{
silviaChen 1:8bca989a70be 68 uint8_t KeyboardMap[76];
silviaChen 1:8bca989a70be 69 ReportMapStructure(const uint8_t* data): KeyboardMap() {
silviaChen 1:8bca989a70be 70 memcpy(&KeyboardMap[0], data, 76);
silviaChen 1:8bca989a70be 71 }
silviaChen 1:8bca989a70be 72 uint8_t *getPointer(void) {
silviaChen 1:8bca989a70be 73 return KeyboardMap;
silviaChen 1:8bca989a70be 74 }
silviaChen 1:8bca989a70be 75 };
silviaChen 1:8bca989a70be 76
silviaChen 1:8bca989a70be 77 private:
silviaChen 1:8bca989a70be 78 struct ReportStructure {
silviaChen 1:8bca989a70be 79 // Initial setting report value
silviaChen 1:8bca989a70be 80 ReportStructure(): reportValue() {
silviaChen 1:8bca989a70be 81 uint8_t data= 0x00;
silviaChen 1:8bca989a70be 82 updateReportValue(data, data);
silviaChen 1:8bca989a70be 83 }
silviaChen 1:8bca989a70be 84
silviaChen 1:8bca989a70be 85 void updateReportValue(uint8_t modifyKey, uint8_t data){
silviaChen 1:8bca989a70be 86 memset(&reportValue[0], 0 ,8);
silviaChen 1:8bca989a70be 87 memcpy(&reportValue[0], &modifyKey, 1);
silviaChen 1:8bca989a70be 88 memcpy(&reportValue[2], &data, 1);
silviaChen 1:8bca989a70be 89 }
silviaChen 1:8bca989a70be 90
silviaChen 1:8bca989a70be 91 uint8_t *getPointer(void) {
silviaChen 1:8bca989a70be 92 return reportValue;
silviaChen 1:8bca989a70be 93 }
silviaChen 1:8bca989a70be 94
silviaChen 1:8bca989a70be 95 uint8_t reportValue[8];
silviaChen 1:8bca989a70be 96 };
silviaChen 1:8bca989a70be 97
silviaChen 1:8bca989a70be 98 private:
silviaChen 1:8bca989a70be 99 struct HIDInforStructure{
silviaChen 1:8bca989a70be 100 uint16_t bcdHID;
silviaChen 1:8bca989a70be 101 uint8_t bCountryCode;
silviaChen 1:8bca989a70be 102 uint8_t Flags;
silviaChen 1:8bca989a70be 103
silviaChen 1:8bca989a70be 104 HIDInforStructure():bcdHID(0),bCountryCode(0),Flags(0){
silviaChen 1:8bca989a70be 105 memcpy(&hidInformation[0], &bcdHID, 2);
silviaChen 1:8bca989a70be 106 memcpy(&hidInformation[2], &bCountryCode, 1);
silviaChen 1:8bca989a70be 107 memcpy(&hidInformation[3], &Flags, 1);
silviaChen 1:8bca989a70be 108 }
silviaChen 1:8bca989a70be 109 uint8_t *getPointer(void) {
silviaChen 1:8bca989a70be 110 return hidInformation;
silviaChen 1:8bca989a70be 111 }
silviaChen 1:8bca989a70be 112
silviaChen 1:8bca989a70be 113 uint8_t hidInformation[4];
silviaChen 1:8bca989a70be 114 };
silviaChen 1:8bca989a70be 115
silviaChen 1:8bca989a70be 116 private:
silviaChen 1:8bca989a70be 117 BLEDevice &ble;
silviaChen 1:8bca989a70be 118 uint8_t protocol_modeValue;
silviaChen 1:8bca989a70be 119 ReportStructure reportValue;
silviaChen 1:8bca989a70be 120 uint8_t hidcontrolPointer;
silviaChen 1:8bca989a70be 121 ReportMapStructure KeyboardMap;
silviaChen 1:8bca989a70be 122 HIDInforStructure hidInformation;
silviaChen 1:8bca989a70be 123 GattCharacteristic Protocol_Mode;
silviaChen 1:8bca989a70be 124 GattCharacteristic ReportMap;
silviaChen 1:8bca989a70be 125 GattCharacteristic Report;
silviaChen 1:8bca989a70be 126 // ReadOnlyGattCharacteristic Boot_Keyboard_Input_Report;
silviaChen 1:8bca989a70be 127 // ReadWriteGattCharacteristic Boot_Keyboard_Output_Report;
silviaChen 1:8bca989a70be 128 // ReadOnlyGattCharacteristic Boot_Mouse_Input_Report;
silviaChen 1:8bca989a70be 129 GattCharacteristic HID_Information;
silviaChen 1:8bca989a70be 130 GattCharacteristic HID_Control_Point;
silviaChen 1:8bca989a70be 131 };
silviaChen 1:8bca989a70be 132 #endif /* #ifndef __BLE_GLUCOSE_SERVICE_H__*/