main.cpp

00001 /*
00002 
00003 Copyright (c) 2012-2014 RedBearLab
00004 
00005 Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
00006 and associated documentation files (the "Software"), to deal in the Software without restriction, 
00007 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
00008 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
00009 subject to the following conditions:
00010 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
00011 
00012 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
00013 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
00014 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
00015 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
00016 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017 
00018 */
00019 
00020 /*
00021  *    The application works with the BlueJelly.js
00022  *
00023  *    http://jellyware.jp/ 
00024  *
00025  */
00026  
00027 //======================================================================
00028 //Grobal
00029 //====================================================================== 
00030 //------------------------------------------------------------
00031 //Include Header Files
00032 //------------------------------------------------------------ 
00033 #include "mbed.h"
00034 #include "ble/BLE.h"
00035 #include "ADXL362.h"
00036  
00037 #include "ble/services/UARTService.h"
00038 
00039 #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
00040                                * it will have an impact on code-size and power consumption. */
00041 
00042 #if NEED_CONSOLE_OUTPUT
00043 #define DEBUG(...) { printf(__VA_ARGS__); }
00044 #else
00045 #define DEBUG(...) /* nothing */
00046 #endif /* #if NEED_CONSOLE_OUTPUT */
00047 
00048 //------------------------------------------------------------
00049 //Definition
00050 //------------------------------------------------------------ 
00051 #define TXRX_BUF_LEN 20                     //max 20[byte]
00052 #define DEVICE_LOCAL_NAME "ADXL362"         //Change Name
00053 #define ADVERTISING_INTERVAL 160            //16 * 0.625[ms] = 100[ms]
00054 #define TICKER_TIME 200000                  //200000[us] = 200[ms]
00055 #define DIGITAL_OUT_PIN P0_9
00056 //#define ANALOG_IN_PIN   P0_4
00057 
00058 //Set SPI Pin
00059 #define CS P0_8
00060 #define MOSI P0_5
00061 #define MISO P0_6
00062 #define SCK P0_7
00063 
00064 
00065 //------------------------------------------------------------
00066 //Object generation
00067 //------------------------------------------------------------ 
00068 BLE ble;
00069 DigitalOut      LED_SET(DIGITAL_OUT_PIN);
00070 //AnalogIn        ANALOG(ANALOG_IN_PIN);
00071 UARTService *uartServicePtr;
00072 
00073 //SPI pin setting and change header file.(see ADXL362.h line185)
00074 ADXL362 adxl362(CS, MOSI, MISO, SCK);
00075 
00076 //------------------------------------------------------------
00077 //Service & Characteristic Setting
00078 //------------------------------------------------------------ 
00079 //Service UUID
00080 static const uint8_t base_uuid[] = { 0x71, 0x3D, 0x00, 0x00, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
00081 
00082 //Characteristic UUID
00083 static const uint8_t tx_uuid[]   = { 0x71, 0x3D, 0x00, 0x03, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
00084 static const uint8_t rx_uuid[]   = { 0x71, 0x3D, 0x00, 0x02, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E } ;
00085 
00086 //Characteristic Value
00087 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
00088 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
00089 
00090 //Characteristic Property Setting etc
00091 GattCharacteristic  txCharacteristic (tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
00092 GattCharacteristic  rxCharacteristic (rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY| GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
00093 GattCharacteristic *myChars[] = {&txCharacteristic, &rxCharacteristic};
00094 
00095 //Service Setting
00096 GattService         myService(base_uuid, myChars, sizeof(myChars) / sizeof(GattCharacteristic *));
00097 
00098 
00099 //======================================================================
00100 //onDisconnection
00101 //======================================================================
00102 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
00103 {
00104     ble.startAdvertising();
00105 }
00106 
00107 void onDataWritten(const GattWriteCallbackParams *params)
00108 {
00109     if ((uartServicePtr != NULL) && (params->handle == uartServicePtr->getTXCharacteristicHandle())) {
00110         uint16_t bytesRead = params->len;
00111         DEBUG("received %u bytes\n\r", bytesRead);
00112         ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead);
00113     }
00114 }
00115 
00116 
00117 //======================================================================
00118 //onDataWritten
00119 //======================================================================
00120 void WrittenHandler(const GattWriteCallbackParams *Handler)
00121 {   
00122     uint8_t buf[TXRX_BUF_LEN];
00123     uint16_t bytesRead;
00124     
00125     if (Handler->handle == txCharacteristic.getValueAttribute().getHandle()) 
00126     {
00127         ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
00128         memset(txPayload, 0, TXRX_BUF_LEN);
00129         memcpy(txPayload, buf, TXRX_BUF_LEN); 
00130        
00131         if(buf[0] == 1)
00132             LED_SET = 1;
00133         else
00134             LED_SET = 0;
00135     }
00136 }
00137 
00138 
00139 //======================================================================
00140 //onTimeout
00141 //======================================================================
00142 
00143 
00144 void m_status_check_handle(void)
00145 {   
00146         //uint8_t x,y,z;
00147         uint8_t x[1];
00148         x[0] = adxl362.scanx_u8();
00149         //y=adxl362.scany_u8();
00150         //z=adxl362.scanz_u8();
00151         //printf("x = %x y = %x z = %x\r\n",x,y,z);
00152         //wait_ms(10);
00153     
00154         //Send out
00155         ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), x, 1); 
00156 }
00157 
00158 
00159 //======================================================================
00160 //convert reverse UUID
00161 //======================================================================
00162 void reverseUUID(const uint8_t* src, uint8_t* dst)
00163 {
00164     int i;
00165     
00166     for(i=0;i<16;i++)
00167         dst[i] = src[15 - i];
00168 }
00169 
00170 
00171 //======================================================================
00172 //main
00173 //======================================================================
00174 int main(void)
00175 {
00176     //ADXL362 Reset
00177     adxl362.reset();
00178     wait_ms(600);      // we need to wait at least 500ms after ADXL362 reset
00179     adxl362.set_mode(ADXL362::MEASUREMENT);
00180    
00181     uint8_t base_uuid_rev[16];
00182 
00183     //Timer Setting [us]
00184     Ticker ticker;
00185     ticker.attach_us(m_status_check_handle, TICKER_TIME);
00186     
00187     
00188     //BLE init
00189     DEBUG("Initialising the nRF51822\n\r");
00190     ble.init();
00191     
00192     //EventListener
00193     ble.onDisconnection(disconnectionCallback);
00194     ble.onDataWritten(WrittenHandler);  
00195 
00196     //------------------------------------------------------------
00197     //setup advertising 
00198     //------------------------------------------------------------
00199     //Classic BT not support
00200     ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
00201     
00202     //Connectable to Central
00203     ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
00204     
00205     //Local Name
00206     ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
00207                                     (const uint8_t *)DEVICE_LOCAL_NAME, sizeof(DEVICE_LOCAL_NAME) - 1);
00208     
00209     //GAP AdvertisingData                                
00210     reverseUUID(base_uuid, base_uuid_rev);  
00211     ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
00212                                     (uint8_t *)base_uuid_rev, sizeof(base_uuid));
00213                                     
00214     //Advertising Interval 
00215     ble.setAdvertisingInterval(ADVERTISING_INTERVAL);
00216 
00217     //Add Service
00218     ble.addService(myService);
00219     
00220     //Start Advertising
00221     ble.startAdvertising(); 
00222     
00223     UARTService uartService(ble);
00224     uartServicePtr = &uartService;
00225     
00226     //------------------------------------------------------------
00227     //Loop
00228     //------------------------------------------------------------
00229     while(1)
00230     {
00231         ble.waitForEvent(); 
00232     }
00233 }