Working Code
Dependencies: BLE_API mbed nRF51822
Fork of BLE_Central_Light_Demo by
main.cpp
- Committer:
- hmiot
- Date:
- 2017-09-21
- Revision:
- 15:ef3cf37827d2
- Parent:
- 14:f84a9745c10a
File content as of revision 15:ef3cf37827d2:
/************************************************************************ * * * * ************************************************************************/ #include "hm_config.h" DiscoveredCharacteristic lightCharacteristic; static s_serviceInfo lightChar = {NULL,NULL,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); void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) { uint8_t con_status =0; //0x51 for Magic light //0x5A if (params->peerAddr[0] == 0x5A){ // 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); 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() == 0xffe9) { /* !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; printf("Conn Handle = %d\r\n",light_Characteristic.getConnectionHandle()); 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) { 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 disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { pc.printf("disconnected\r\n"); BLE::Instance().gap().startScan(advertisementCallback); } /** * 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); } void light_actions(int * service_char){ 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); 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); 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); 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; while(1){ //printf("loop\r\n"); if(!(connect_status && charDiscover)) waitBleEvent(); if(spiSlave.receive()){ // printf("Slave Read loop1\r\n"); spiRX[bufferSize] = spiSlave.read(); spiSlave.reply(spiRX[bufferSize]); bufferSize++; if(bufferSize >= 5){ bufferSize=0; light_actions(spiRX); spiSlave.reply(spiRX[2]); //(0xAA); if(statusWR >=4) { wait_ms(500); BLE::Instance().shutdown(); statusWR =1; connect_status =0; charDiscover =0; serviceDiscover = true; bleint(); } statusWR++; } } } } void waitBleEvent() { while(serviceDiscover || BLE::Instance().gattClient().isServiceDiscoveryActive()){ BLE::Instance().waitForEvent(); } }