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Diffstat (limited to 'src/BLEHIDDevice.cpp')
| -rw-r--r-- | src/BLEHIDDevice.cpp | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/src/BLEHIDDevice.cpp b/src/BLEHIDDevice.cpp new file mode 100644 index 0000000..29376f3 --- /dev/null +++ b/src/BLEHIDDevice.cpp @@ -0,0 +1,234 @@ +/* + * BLEHIDDevice.cpp + * + * Created on: Jan 03, 2018 + * Author: chegewara + */ +#include "sdkconfig.h" +#if defined(CONFIG_BT_ENABLED) + +#include "BLEHIDDevice.h" +#include "BLE2904.h" + + +BLEHIDDevice::BLEHIDDevice(BLEServer* server) { + /* + * Here we create mandatory services described in bluetooth specification + */ + m_deviceInfoService = server->createService(BLEUUID((uint16_t) 0x180a)); + m_hidService = server->createService(BLEUUID((uint16_t) 0x1812), 40); + m_batteryService = server->createService(BLEUUID((uint16_t) 0x180f)); + + /* + * Mandatory characteristic for device info service + */ + m_pnpCharacteristic = m_deviceInfoService->createCharacteristic((uint16_t)0x2a50, BLECharacteristic::PROPERTY_READ); + + /* + * Mandatory characteristics for HID service + */ + m_hidInfoCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4a, BLECharacteristic::PROPERTY_READ); + m_reportMapCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4b, BLECharacteristic::PROPERTY_READ); + m_hidControlCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4c, BLECharacteristic::PROPERTY_WRITE_NR); + m_protocolModeCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4e, BLECharacteristic::PROPERTY_WRITE_NR | BLECharacteristic::PROPERTY_READ); + + /* + * Mandatory battery level characteristic with notification and presence descriptor + */ + BLE2904* batteryLevelDescriptor = new BLE2904(); + batteryLevelDescriptor->setFormat(BLE2904::FORMAT_UINT8); + batteryLevelDescriptor->setNamespace(1); + batteryLevelDescriptor->setUnit(0x27ad); + + m_batteryLevelCharacteristic = m_batteryService->createCharacteristic((uint16_t)0x2a19, BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_NOTIFY); + m_batteryLevelCharacteristic->addDescriptor(batteryLevelDescriptor); + m_batteryLevelCharacteristic->addDescriptor(new BLE2902()); + + /* + * This value is setup here because its default value in most usage cases, its very rare to use boot mode + * and we want to simplify library using as much as possible + */ + const uint8_t pMode[] = {0x01}; + protocolMode()->setValue((uint8_t*)pMode, 1); +} + +BLEHIDDevice::~BLEHIDDevice() { +} + +/* + * @brief + */ +void BLEHIDDevice::reportMap(uint8_t* map, uint16_t size) { + m_reportMapCharacteristic->setValue(map, size); +} + +/* + * @brief This function suppose to be called at the end, when we have created all characteristics we need to build HID service + */ +void BLEHIDDevice::startServices() { + m_deviceInfoService->start(); + m_hidService->start(); + m_batteryService->start(); +} + +/* + * @brief Create manufacturer characteristic (this characteristic is optional) + */ +BLECharacteristic* BLEHIDDevice::manufacturer() { + m_manufacturerCharacteristic = m_deviceInfoService->createCharacteristic((uint16_t)0x2a29, BLECharacteristic::PROPERTY_READ); + return m_manufacturerCharacteristic; +} + +/* + * @brief Set manufacturer name + * @param [in] name manufacturer name + */ +void BLEHIDDevice::manufacturer(std::string name) { + m_manufacturerCharacteristic->setValue(name); +} + +/* + * @brief + */ +void BLEHIDDevice::pnp(uint8_t sig, uint16_t vid, uint16_t pid, uint16_t version) { + uint8_t pnp[] = {sig, (uint8_t)(vid>>8), (uint8_t)vid, (uint8_t)(pid>>8), (uint8_t)pid, (uint8_t)(version>>8), (uint8_t)version}; + m_pnpCharacteristic->setValue(pnp, sizeof(pnp)); +} + +/* + * @brief + */ +void BLEHIDDevice::hidInfo(uint8_t country, uint8_t flags) { + uint8_t info[] = {0x11,0x1, country, flags}; + m_hidInfoCharacteristic->setValue(info, sizeof(info));; +} + +/* + * @brief Create input report characteristic that need to be saved as new characteristic object so can be further used + * @param [in] reportID input report ID, the same as in report map for input object related to created characteristic + * @return pointer to new input report characteristic + */ +BLECharacteristic* BLEHIDDevice::inputReport(uint8_t reportID) { + BLECharacteristic* inputReportCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4d, BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_NOTIFY); + BLEDescriptor* inputReportDescriptor = new BLEDescriptor(BLEUUID((uint16_t)0x2908)); + + uint8_t desc1_val[] = {reportID, 0x01}; + inputReportDescriptor->setValue((uint8_t*)desc1_val, 2); + inputReportCharacteristic->addDescriptor(new BLE2902()); + inputReportCharacteristic->addDescriptor(inputReportDescriptor); + + return inputReportCharacteristic; +} + +/* + * @brief Create output report characteristic that need to be saved as new characteristic object so can be further used + * @param [in] reportID Output report ID, the same as in report map for output object related to created characteristic + * @return Pointer to new output report characteristic + */ +BLECharacteristic* BLEHIDDevice::outputReport(uint8_t reportID) { + BLECharacteristic* outputReportCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4d, BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE | BLECharacteristic::PROPERTY_WRITE_NR); + BLEDescriptor* outputReportDescriptor = new BLEDescriptor(BLEUUID((uint16_t)0x2908)); + + uint8_t desc1_val[] = {reportID, 0x02}; + outputReportDescriptor->setValue((uint8_t*)desc1_val, 2); + outputReportCharacteristic->addDescriptor(outputReportDescriptor); + + return outputReportCharacteristic; +} + +/* + * @brief Create feature report characteristic that need to be saved as new characteristic object so can be further used + * @param [in] reportID Feature report ID, the same as in report map for feature object related to created characteristic + * @return Pointer to new feature report characteristic + */ +BLECharacteristic* BLEHIDDevice::featureReport(uint8_t reportID) { + BLECharacteristic* featureReportCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a4d, BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE); + BLEDescriptor* featureReportDescriptor = new BLEDescriptor(BLEUUID((uint16_t)0x2908)); + + uint8_t desc1_val[] = {reportID, 0x03}; + featureReportDescriptor->setValue((uint8_t*)desc1_val, 2); + featureReportCharacteristic->addDescriptor(featureReportDescriptor); + + return featureReportCharacteristic; +} + +/* + * @brief + */ +BLECharacteristic* BLEHIDDevice::bootInput() { + BLECharacteristic* bootInputCharacteristic = m_hidService->createCharacteristic((uint16_t)0x2a22, BLECharacteristic::PROPERTY_NOTIFY); + bootInputCharacteristic->addDescriptor(new BLE2902()); + + return bootInputCharacteristic; +} + +/* + * @brief + */ +BLECharacteristic* BLEHIDDevice::bootOutput() { + return m_hidService->createCharacteristic((uint16_t)0x2a32, BLECharacteristic::PROPERTY_READ | BLECharacteristic::PROPERTY_WRITE | BLECharacteristic::PROPERTY_WRITE_NR); +} + +/* + * @brief + */ +BLECharacteristic* BLEHIDDevice::hidControl() { + return m_hidControlCharacteristic; +} + +/* + * @brief + */ +BLECharacteristic* BLEHIDDevice::protocolMode() { + return m_protocolModeCharacteristic; +} + +void BLEHIDDevice::setBatteryLevel(uint8_t level) { + m_batteryLevelCharacteristic->setValue(&level, 1); +} +/* + * @brief Returns battery level characteristic + * @ return battery level characteristic + *//* +BLECharacteristic* BLEHIDDevice::batteryLevel() { + return m_batteryLevelCharacteristic; +} + + + +BLECharacteristic* BLEHIDDevice::reportMap() { + return m_reportMapCharacteristic; +} + +BLECharacteristic* BLEHIDDevice::pnp() { + return m_pnpCharacteristic; +} + + +BLECharacteristic* BLEHIDDevice::hidInfo() { + return m_hidInfoCharacteristic; +} +*/ +/* + * @brief + */ +BLEService* BLEHIDDevice::deviceInfo() { + return m_deviceInfoService; +} + +/* + * @brief + */ +BLEService* BLEHIDDevice::hidService() { + return m_hidService; +} + +/* + * @brief + */ +BLEService* BLEHIDDevice::batteryService() { + return m_batteryService; +} + +#endif // CONFIG_BT_ENABLED + |