Delta / Mbed 2 deprecated BLE_HIDKeyboard_Demo

HID scanner demo

Dependencies:   BLE_API WIFI_API_32kRAM nRF51822 mbed

BLE HID function in this demo is temporary working with Android phone ONLY. Will be fixed to support iOS device in next update.

HIDService.h@2:be04a220392e, 2015-08-14 (annotated)

Committer:
wgd8700
Date:
Fri Aug 14 09:37:24 2015 +0000
Revision:
2:be04a220392e
Parent:
0:b0fc0661c081 
Update BLE_API, nRF51822, and mbed libs to sync throughout all sample code, work for 32KB RAM revision platform; Update main.cpp to add RF switch lock mechanism to prevent packet losses for BLE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Marcomissyou 0:b0fc0661c081 1 #ifndef __BLE_HID_SERVICE_H__
Marcomissyou 0:b0fc0661c081 2 #define __BLE_HID_SERVICE_H__
Marcomissyou 0:b0fc0661c081 3
Marcomissyou 0:b0fc0661c081 4 #include "BLE.h"
Marcomissyou 0:b0fc0661c081 5 /**
Marcomissyou 0:b0fc0661c081 6 * @class Human Interface Device Service
Marcomissyou 0:b0fc0661c081 7 * @brief BLE Human Interface Device Service. This service displays the Glucose measurement value represented as a 16bit Float format.<br>
Marcomissyou 0:b0fc0661c081 8 * @Author: Marco.Hsu
Marcomissyou 0:b0fc0661c081 9 * @Email: marco.missyou@gmail.com
Marcomissyou 0:b0fc0661c081 10 */
Marcomissyou 0:b0fc0661c081 11
Marcomissyou 0:b0fc0661c081 12 extern const uint8_t KeyboardReportMap[76];
Marcomissyou 0:b0fc0661c081 13
Marcomissyou 0:b0fc0661c081 14 class HIDService {
Marcomissyou 0:b0fc0661c081 15 public:
Marcomissyou 0:b0fc0661c081 16 HIDService(BLEDevice &_ble, const uint8_t* key = &KeyboardReportMap[0]):
Marcomissyou 0:b0fc0661c081 17 ble(_ble),
Marcomissyou 0:b0fc0661c081 18 protocol_modeValue(1), // Report Protocol Mode(1), Boot Protocol Mode(0)
Marcomissyou 0:b0fc0661c081 19 KeyboardMap(key),
Marcomissyou 0:b0fc0661c081 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),
Marcomissyou 0:b0fc0661c081 21 ReportMap(GattCharacteristic::UUID_REPORT_MAP_CHAR, KeyboardMap.getPointer(), 76, sizeof(KeyboardMap), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ |GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
Marcomissyou 0:b0fc0661c081 22 Report(GattCharacteristic::UUID_REPORT_CHAR, reportValue.getPointer(), 8, 8, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY|GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
Marcomissyou 0:b0fc0661c081 23 HID_Information(GattCharacteristic::UUID_HID_INFORMATION_CHAR, hidInformation.getPointer(), 4, 4, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
Marcomissyou 0:b0fc0661c081 24 HID_Control_Point(GattCharacteristic::UUID_HID_CONTROL_POINT_CHAR, &hidcontrolPointer, 1, 1, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE)
Marcomissyou 0:b0fc0661c081 25 {
Marcomissyou 0:b0fc0661c081 26 static bool serviceAdded = false; /* We should only ever need to add the heart rate service once. */
Marcomissyou 0:b0fc0661c081 27 if (serviceAdded) {
Marcomissyou 0:b0fc0661c081 28 return;
Marcomissyou 0:b0fc0661c081 29 }
Marcomissyou 0:b0fc0661c081 30 //Report.requireSecurity(SecurityManager::SECURITY_MODE_ENCRYPTION_OPEN_LINK);
Marcomissyou 0:b0fc0661c081 31 GattCharacteristic *charTable[] = {&Protocol_Mode, &ReportMap, &Report, &HID_Information, &HID_Control_Point};
Marcomissyou 0:b0fc0661c081 32 GattService HIDGattService(GattService::UUID_HUMAN_INTERFACE_DEVICE_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
Marcomissyou 0:b0fc0661c081 33 ble.addService(HIDGattService);
Marcomissyou 0:b0fc0661c081 34 serviceAdded = true;
Marcomissyou 0:b0fc0661c081 35 ble.onDataWritten(this, &HIDService::onDataWritten);
Marcomissyou 0:b0fc0661c081 36 }
Marcomissyou 0:b0fc0661c081 37 public:
Marcomissyou 0:b0fc0661c081 38 void updateReport(uint8_t modifydata, uint8_t data) {
Marcomissyou 0:b0fc0661c081 39 reportValue.updateReportValue(modifydata, data);
Marcomissyou 0:b0fc0661c081 40 ble.updateCharacteristicValue(Report.getValueAttribute().getHandle(), reportValue.getPointer(), 8);
Marcomissyou 0:b0fc0661c081 41 }
Marcomissyou 0:b0fc0661c081 42
Marcomissyou 0:b0fc0661c081 43 virtual void onDataWritten(const GattWriteCallbackParams *params) {
Marcomissyou 0:b0fc0661c081 44 if (params->handle == HID_Control_Point.getValueAttribute().getHandle()) {
Marcomissyou 0:b0fc0661c081 45 uint16_t bytesRead = params->len;
Marcomissyou 0:b0fc0661c081 46 if (bytesRead == 1) {
Marcomissyou 0:b0fc0661c081 47 memcpy(&hidcontrolPointer, params->data, bytesRead);
Marcomissyou 0:b0fc0661c081 48 }
Marcomissyou 0:b0fc0661c081 49 }
Marcomissyou 0:b0fc0661c081 50 if (params->handle == Report.getValueAttribute().getHandle()) {
Marcomissyou 0:b0fc0661c081 51 uint16_t bytesRead = params->len;
Marcomissyou 0:b0fc0661c081 52 if (bytesRead <= 4) {
Marcomissyou 0:b0fc0661c081 53 memcpy(&reportValue, params->data, bytesRead);
Marcomissyou 0:b0fc0661c081 54 }
Marcomissyou 0:b0fc0661c081 55 }
Marcomissyou 0:b0fc0661c081 56 }
Marcomissyou 0:b0fc0661c081 57
Marcomissyou 0:b0fc0661c081 58 private:
Marcomissyou 0:b0fc0661c081 59 struct ReportMapStructure{
Marcomissyou 0:b0fc0661c081 60 uint8_t KeyboardMap[76];
Marcomissyou 0:b0fc0661c081 61 ReportMapStructure(const uint8_t* data): KeyboardMap() {
Marcomissyou 0:b0fc0661c081 62 memcpy(&KeyboardMap[0], data, 76);
Marcomissyou 0:b0fc0661c081 63 }
Marcomissyou 0:b0fc0661c081 64 uint8_t *getPointer(void) {
Marcomissyou 0:b0fc0661c081 65 return KeyboardMap;
Marcomissyou 0:b0fc0661c081 66 }
Marcomissyou 0:b0fc0661c081 67 };
Marcomissyou 0:b0fc0661c081 68
Marcomissyou 0:b0fc0661c081 69 private:
Marcomissyou 0:b0fc0661c081 70 struct ReportStructure {
Marcomissyou 0:b0fc0661c081 71 // Initial setting report value
Marcomissyou 0:b0fc0661c081 72 ReportStructure(): reportValue() {
Marcomissyou 0:b0fc0661c081 73 uint8_t data= 0x00;
Marcomissyou 0:b0fc0661c081 74 updateReportValue(data, data);
Marcomissyou 0:b0fc0661c081 75 }
Marcomissyou 0:b0fc0661c081 76
Marcomissyou 0:b0fc0661c081 77 void updateReportValue(uint8_t modifyKey, uint8_t data){
Marcomissyou 0:b0fc0661c081 78 memset(&reportValue[0], 0 ,8);
Marcomissyou 0:b0fc0661c081 79 memcpy(&reportValue[0], &modifyKey, 1);
Marcomissyou 0:b0fc0661c081 80 memcpy(&reportValue[2], &data, 1);
Marcomissyou 0:b0fc0661c081 81 }
Marcomissyou 0:b0fc0661c081 82
Marcomissyou 0:b0fc0661c081 83 uint8_t *getPointer(void) {
Marcomissyou 0:b0fc0661c081 84 return reportValue;
Marcomissyou 0:b0fc0661c081 85 }
Marcomissyou 0:b0fc0661c081 86
Marcomissyou 0:b0fc0661c081 87 uint8_t reportValue[8];
Marcomissyou 0:b0fc0661c081 88 };
Marcomissyou 0:b0fc0661c081 89
Marcomissyou 0:b0fc0661c081 90 private:
Marcomissyou 0:b0fc0661c081 91 struct HIDInforStructure{
Marcomissyou 0:b0fc0661c081 92 uint16_t bcdHID;
Marcomissyou 0:b0fc0661c081 93 uint8_t bCountryCode;
Marcomissyou 0:b0fc0661c081 94 uint8_t Flags;
Marcomissyou 0:b0fc0661c081 95
Marcomissyou 0:b0fc0661c081 96 HIDInforStructure():bcdHID(0),bCountryCode(0),Flags(0){
Marcomissyou 0:b0fc0661c081 97 memcpy(&hidInformation[0], &bcdHID, 2);
Marcomissyou 0:b0fc0661c081 98 memcpy(&hidInformation[2], &bCountryCode, 1);
Marcomissyou 0:b0fc0661c081 99 memcpy(&hidInformation[3], &Flags, 1);
Marcomissyou 0:b0fc0661c081 100 }
Marcomissyou 0:b0fc0661c081 101 uint8_t *getPointer(void) {
Marcomissyou 0:b0fc0661c081 102 return hidInformation;
Marcomissyou 0:b0fc0661c081 103 }
Marcomissyou 0:b0fc0661c081 104
Marcomissyou 0:b0fc0661c081 105 uint8_t hidInformation[4];
Marcomissyou 0:b0fc0661c081 106 };
Marcomissyou 0:b0fc0661c081 107
Marcomissyou 0:b0fc0661c081 108 private:
Marcomissyou 0:b0fc0661c081 109 BLEDevice &ble;
Marcomissyou 0:b0fc0661c081 110 uint8_t protocol_modeValue;
Marcomissyou 0:b0fc0661c081 111 ReportStructure reportValue;
Marcomissyou 0:b0fc0661c081 112 uint8_t hidcontrolPointer;
Marcomissyou 0:b0fc0661c081 113 ReportMapStructure KeyboardMap;
Marcomissyou 0:b0fc0661c081 114 HIDInforStructure hidInformation;
Marcomissyou 0:b0fc0661c081 115 GattCharacteristic Protocol_Mode;
Marcomissyou 0:b0fc0661c081 116 GattCharacteristic ReportMap;
Marcomissyou 0:b0fc0661c081 117 GattCharacteristic Report;
Marcomissyou 0:b0fc0661c081 118 // ReadOnlyGattCharacteristic Boot_Keyboard_Input_Report;
Marcomissyou 0:b0fc0661c081 119 // ReadWriteGattCharacteristic Boot_Keyboard_Output_Report;
Marcomissyou 0:b0fc0661c081 120 // ReadOnlyGattCharacteristic Boot_Mouse_Input_Report;
Marcomissyou 0:b0fc0661c081 121 GattCharacteristic HID_Information;
Marcomissyou 0:b0fc0661c081 122 GattCharacteristic HID_Control_Point;
Marcomissyou 0:b0fc0661c081 123 };
Marcomissyou 0:b0fc0661c081 124 #endif /* #ifndef __BLE_GLUCOSE_SERVICE_H__*/