Ble Demo with Raspberry PI
Dependencies: BLE_API mbed nRF51822
Fork of BLE_DEMO_SPI_HARDCODE by
main.cpp
- Committer:
- varshaberya123
- Date:
- 2017-10-12
- Revision:
- 17:2e0273d799e2
- Parent:
- 16:5bd717644078
- Child:
- 18:0eefac249a4b
File content as of revision 17:2e0273d799e2:
/************************************************************************ * * * * ************************************************************************/ #include "hm_config.h" DiscoveredCharacteristic lightCharacteristic; Gap::Handle_t connectionHandle = 0xFFFF; //static s_serviceInfo lightChar = {NULL,NULL}; Serial pc(USBTX, USBRX); void bleint(); void waitBleEvent(); void ble_actions(int spi_data); uint8_t statusWR; SPISlave spiSlave(P0_9, P0_11, P0_8, P0_10); lightCharacteristic_t ptr_temp_char; //DiscoveredCharacteristic ptr_temp_char; bool connection_handle = 0; uint8_t Ble_address[6]; void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { uint8_t con_status =0; int i; //0x51 for Magic light //0x5A pc.printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\ndata: %s\r\n", params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], params->rssi, params->isScanResponse, params->type, params->advertisingData); //if (params->peerAddr[0] == 0x5A){ // 0x2F for red bear1.5 /* !ALERT! Alter this filter to suit your device. */ if (params->peerAddr[0] == 0xE5){ // 0x2F for red bear1.5 /* !ALERT! Alter this filter to suit your device. */ pc.printf("adv peerAddr[%02x %02x %02x %02x %02x %02x] rssi %d, isScanResponse %u, AdvertisementType %u\r\n", params->peerAddr[5], params->peerAddr[4], params->peerAddr[3], params->peerAddr[2], params->peerAddr[1], params->peerAddr[0], params->rssi, params->isScanResponse, params->type); pc.printf("Data Length : %d\r\n",params->advertisingDataLen); for (i = 0; i < 6; i++) Ble_address[i] = params->peerAddr[i]; con_status = BLE::Instance().gap().connect(params->peerAddr, Gap::ADDR_TYPE_PUBLIC, NULL, NULL); pc.printf("Connection Status : %d\r\n",con_status); connect_status = 1; BLE::Instance().gap().stopScan(); } else{ printf("Not Matched your device\r\n"); return; } } void serviceDiscoveryCallback(const DiscoveredService *service) { //pc.printf("Service Discovery Callback\r\n"); if (service->getUUID().shortOrLong() == UUID::UUID_TYPE_SHORT) { //pc.printf("S UUID-%x attrs[%u %u]\r\n", service->getUUID().getShortUUID(), service->getStartHandle(), service->getEndHandle()); } else { //pc.printf("S UUID-"); const uint8_t *longUUIDBytes = service->getUUID().getBaseUUID(); for (unsigned i = 0; i < UUID::LENGTH_OF_LONG_UUID; i++) { printf("%02x", longUUIDBytes[i]); } //pc.printf(" attrs[%u %u]\r\n", service->getStartHandle(), service->getEndHandle()); } } void characteristicDiscoveryCallback(const DiscoveredCharacteristic *characteristicP) { pc.printf(" C UUID-%x valueAttr[%u] props[%x]\r\n", characteristicP->getUUID().getShortUUID(), characteristicP->getValueHandle(), (uint8_t)characteristicP->getProperties().broadcast()); if (characteristicP->getUUID().getShortUUID() == 0xec0e) { /* !ALERT! Alter this filter to suit your device. */ lightCharacteristic = *characteristicP; pc.printf("Matched char UUID\r\n"); printf("Conn Handle = %dand %d \r\n",characteristicP->getConnectionHandle(), lightCharacteristic.getConnectionHandle()); printf("Value Handle = %d and %d\r\n",characteristicP->getValueHandle(),lightCharacteristic.getValueHandle()); AddCharNodes(lightCharacteristic); charDiscover = 1; serviceDiscover = true; }else { printf("Not Matched char UUID\r\n"); } } void AddCharNodes(DiscoveredCharacteristic light_Characteristic) { //printf("Add Char Nodes\r\n"); // lightCharacteristic_t ptr_temp_char; /* ptr_temp_char = lightChar.services_Char[0]; if(NULL == ptr_temp_char) { ptr_temp_char = new lightCharacteristic_t; lightChar.services_Char[0] = ptr_temp_char; } else { while(NULL != ptr_temp_char->nextChar) { ptr_temp_char = ptr_temp_char->nextChar; } /* add a new node ptr_temp_char->nextChar = new lightCharacteristic_t; ptr_temp_char = ptr_temp_char->nextChar; }*/ /* assign data to the node */ ptr_temp_char.u_characteristicID = 1; pc.printf("Conn Handle = %d\r\n",light_Characteristic.getConnectionHandle()); pc.printf("Value Handle = %d\r\n",light_Characteristic.getValueHandle()); ptr_temp_char.connHandle = light_Characteristic.getConnectionHandle(); ptr_temp_char.valueHandle = light_Characteristic.getValueHandle(); //ptr_temp_char.nextChar = NULL; } void discoveryTerminationCallback(Gap::Handle_t connectionHandle) { pc.printf("terminated SD for handle %u\r\n", connectionHandle); serviceDiscover = false; } void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { //pc.printf("Connection Callback\n\r"); if (params->role == Gap::CENTRAL) { connectionHandle = params->handle; //pc.printf("Service and characterstics discovery callback\r\n"); BLE::Instance().gattClient().onServiceDiscoveryTermination(discoveryTerminationCallback); BLE::Instance().gattClient().launchServiceDiscovery(params->handle, serviceDiscoveryCallback, characteristicDiscoveryCallback, 0xffe5, 0xffe9); // 0xffe5 --> Services UUID // 0xffe9 --> Characteristics UUID } } void writeCallback(const GattWriteCallbackParams *eventDataP) { pc.printf("written callback\r\n"); } void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { pc.printf("disconnected\r\n"); BLE::Instance().gap().startScan(advertisementCallback); } void hvxCallback(const GattHVXCallbackParams *params) { printf("received HVX callback for handle %u; type %s\r\n", params->handle, (params->type == BLE_HVX_NOTIFICATION) ? "notification" : "indication"); for (unsigned index = 0; index < params->len; index++) { printf(" %02x", params->data[index]); } printf("\r\n"); } void triggerRead(const GattReadCallbackParams *response) { printf("reading data : \r\n"); // if (response->handle == GattCharacteristic.getValueHandle()) // if (response->handle == characteristicP->getValueHandle()) { printf("triggerToggledWrite: handle %u, offset %u, len %u\r\n", response->handle, response->offset, response->len); for (unsigned index = 0; index < response->len; index++) { printf("%c[%02x]", response->data[index], response->data[index]); } printf("\r\n"); } } /** * Callback triggered when the ble initialization process has finished */ void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) { BLE& ble = params->ble; pc.printf("Ble Init\n\r"); /* Ensure that it is the default instance of BLE */ if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { return; } ble.gap().onConnection(connectionCallback); ble.gap().onDisconnection(disconnectionCallback); ble.gap().setScanParams(1000, 800); ble.gap().startScan(advertisementCallback); //ble.gattClient().onHVX(hvxCallback); ble.gattClient().onDataRead(triggerRead); } void light_actions(int * service_char) { uint8_t lightColor[MAX_COLOR][3] = {{0xFF,0x00,0x00},{0x00,0xFF,0x00}, {0x00,0x00,0xFF},{0xFF,0xFF,0x00}, {0x00,0xFF,0xFF},{0xFF,0x00,0xFF} }; uint8_t pre_write_data[16]; uint8_t write_data[16]; //lightCharacteristic_t *ptr_tmp = NULL; //ptr_tmp = lightChar.services_Char[0]; uint8_t numCount; if(connect_status) { switch(service_char[2]) { case TURN_OFF: // off write_data[0]=0x56; write_data[1]=0x00; write_data[2]=0x00; write_data[3]=0x00; write_data[4]=0x00; write_data[5]=0xf0; write_data[6]=0xaa; //error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,ptr_tmp->connHandle,ptr_tmp->valueHandle,8,write_data); error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,connectionHandle,ptr_temp_char.valueHandle,7,write_data); BLE::Instance().processEvents(); //error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,ptr_temp_char.connHandle,ptr_temp_char.valueHandle,7,write_data); //BLE::Instance().updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), write_data, 7); break; case TURN_ON: //on pre_write_data[0]=0x56; pre_write_data[1]=0xDE; pre_write_data[2]=0x8E; pre_write_data[3]=0xEE; pre_write_data[4]=0x00; pre_write_data[5]=0xf0; pre_write_data[6]=0xaa; //error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,ptr_tmp->connHandle,ptr_tmp->valueHandle,8,pre_write_data); error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,connectionHandle,ptr_temp_char.valueHandle,7,pre_write_data); BLE::Instance().processEvents(); //error_status = BLE::Instance().DiscoveredCharacteristic().write(7,pre_write_data); break; case COLOR: // Color write_data[0]=0x56; write_data[1]=lightColor[service_char[3]][0];//0xff write_data[2]=lightColor[service_char[3]][1];//0x00; write_data[3]=lightColor[service_char[3]][2];//0x00; write_data[4]=0x00; write_data[5]=0xf0; write_data[6]=0xaa; for(numCount=0; numCount < 7; numCount++){ pre_write_data[numCount] = write_data[numCount]; } first_on=false; //error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,ptr_tmp->connHandle,ptr_tmp->valueHandle,8,write_data); error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,connectionHandle,ptr_temp_char.valueHandle,7,write_data); BLE::Instance().processEvents(); //error_status = BLE::Instance().gattClient().write(GattClient::GATT_OP_WRITE_CMD,ptr_temp_char.connHandle,ptr_temp_char.valueHandle,7,write_data); break; default: printf("Invalid Options\r\n"); } printf("Error Status =%d\n\r",error_status); } } void datancpy(char pre_write[], char writeData[], int data_size){ int numCount; for(numCount=0; numCount <= data_size; numCount++){ pre_write[numCount] = writeData[numCount]; } } void bleint() { printf("Init\r\n"); BLE &ble = BLE::Instance(); BLE::Instance().init(bleInitComplete); } int main() { // Serial port configuration pc.baud(9600); wait(8.0); pc.printf("Start\n\r"); spiSlave.reply(191); statusWR=1; bleint(); bufferSize = 0; int spiRX[5]; int temp = 0x00; int color = 0x00; int con_status,i; while(1){ pc.printf("loop\r\n"); wait(3.0); if(!(connect_status && charDiscover)) waitBleEvent(); if (temp == 2 && color == 3) { temp = 0x00; color = 0x00; } else if (temp == 2 && color < 3) { color++; } else if (temp < 2) temp++; spiRX[0] = 0xB3; spiRX[1] = 1; spiRX[2] = temp; spiRX[3] = color; pc.printf("spix buffer is: "); for (i = 0; i < 4; i++) { pc.printf("%d ", spiRX[i]); } pc.printf("\n"); //if(spiSlave.receive()){ //printf("Slave Read loop1\r\n"); //spiRX[bufferSize] = spiSlave.read(); //spiSlave.reply(spiRX[bufferSize]); //bufferSize++; bufferSize = 5; if(bufferSize >= 5){ bufferSize=0; light_actions(spiRX); //BLE::Instance().gattClient().reset(); spiSlave.reply(spiRX[2]); //(0xAA); if(error_status > 7) { error_status = BLE_ERROR_NONE; //wait_ms(500); BLE::Instance().shutdown(); statusWR =1; connect_status =0; charDiscover =0; serviceDiscover = true; bleint(); } //statusWR++; wait_ms(3000); } //} } } void waitBleEvent() { while(serviceDiscover || BLE::Instance().gattClient().isServiceDiscoveryActive()){ BLE::Instance().waitForEvent(); } }