BMP180 Digital temperature sensor, BLE, & human body infrared sensor

Dependencies:   BLE_API BMP180 mbed nRF51822

Fork of BMP180_example by Kevin Gillepsie

Files at this revision

API Documentation at this revision

Comitter:
geekfamily
Date:
Thu Apr 28 06:29:59 2016 +0000
Parent:
2:20c4b5932337
Commit message:
Healthy in Office

Changed in this revision

BLE_API.lib Show annotated file Show diff for this revision Revisions of this file
Servo.cpp Show annotated file Show diff for this revision Revisions of this file
Servo.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
nRF51822.lib Show annotated file Show diff for this revision Revisions of this file
diff -r 20c4b5932337 -r b67c5cc2ac61 BLE_API.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API.lib	Thu Apr 28 06:29:59 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#bfc5b9b6ecf5
diff -r 20c4b5932337 -r b67c5cc2ac61 Servo.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.cpp	Thu Apr 28 06:29:59 2016 +0000
@@ -0,0 +1,42 @@
+/*
+
+Copyright (c) 2012-2014 RedBearLab
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the "Software"), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
+subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+#include "Servo.h"
+
+Servo::Servo(PinName pin) : _servo(pin)
+{
+    _servo.period_ms(20);
+}
+
+Servo::~Servo(void)
+{
+    
+}
+
+void Servo::write(unsigned char degree)
+{
+    convert(degree);
+    _servo.pulsewidth_us(pulse);
+}
+
+void Servo::convert(unsigned char degree)
+{
+    // 0~180 degree correspond to 500~2500
+    pulse = degree * 11 + 500;
+}
\ No newline at end of file
diff -r 20c4b5932337 -r b67c5cc2ac61 Servo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.h	Thu Apr 28 06:29:59 2016 +0000
@@ -0,0 +1,40 @@
+/*
+
+Copyright (c) 2012-2014 RedBearLab
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the "Software"), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
+subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+*/
+
+#ifndef _SERVO_H
+#define _SERVO_H
+
+#include "mbed.h"
+
+class Servo
+{
+public:
+    Servo(PinName pin);
+    ~Servo(void);
+    
+    void write(unsigned char degree);
+
+private:
+    void convert(unsigned char degree);
+    
+    PwmOut _servo;
+    unsigned int pulse;
+};
+
+#endif
\ No newline at end of file
diff -r 20c4b5932337 -r b67c5cc2ac61 main.cpp
--- a/main.cpp	Fri Apr 17 15:48:08 2015 +0000
+++ b/main.cpp	Thu Apr 28 06:29:59 2016 +0000
@@ -2,11 +2,227 @@
 #include "mbed.h"
 #include "BMP180.h"
 
-I2C i2c(I2C_SDA, I2C_SCL);
+#include "ble/BLE.h"
+#include "Servo.h"
+#include "GattCallbackParamTypes.h"
+
+#define BLE_UUID_TXRX_SERVICE            0x0000 /**< The UUID of the Nordic UART Service. */
+#define BLE_UUID_TX_CHARACTERISTIC       0x0002 /**< The UUID of the TX Characteristic. */
+#define BLE_UUIDS_RX_CHARACTERISTIC      0x0003 /**< The UUID of the RX Characteristic. */
+
+#define TXRX_BUF_LEN                     20
+
+#define DIGITAL_OUT_PIN                  P0_17  //D7
+#define DIGITAL_IN_PIN                   P0_5   //A4
+#define PWM_PIN                          P0_16  //D6
+#define SERVO_PIN                        P0_14  //D10
+#define ANALOG_IN_PIN                    P0_6   //A5
+
+//Start Add by Ax 2016-4-23
+#include "BMP180.h"
+I2C i2c(P0_17, P0_18); 
 BMP180 bmp180(&i2c);
 
-int main(void) {
+//#define DIGITAL_OUT_BlueLed_PIN                 P0_20   //Blue LED P0_19
+//#define DIGITAL_OUT_RedLed_PIN                   P0_19 //Red LED P0_20
+#define DIGITAL_IN_IsNoPeopleInfront_PIN                  P0_23  //Tx Pin to check if people infront
+
+//#define DIGITAL_IN_IsNoPeopleInfront_PIN                  P0_23  //Tx Pin to check if people infront
+//#define DIGITAL_IN_IsNoPeopleInfront_PIN                  P0_23  //Tx Pin to check if people infront
+//#define DIGITAL_IN_IsNoPeopleInfront_PIN                  P0_23  //Tx Pin to check if people infront
+
+float arrHistoryEnvironment[2] = {0,0};//total working hours,total rest hours
+float arrCurrentEnvironment[3] = {0,0,0};//current working hours,current rest hours,current temperature
+float stdWorkHours=60;//60 seconds for testing
+float stdRestHours=15;//15 seconds for testing
+float stdTemperature=18;//18 degree for testing
+int checkCounter=2;
+
+DigitalIn IsNoPeopleInfront(DIGITAL_IN_IsNoPeopleInfront_PIN);
+//DigitalOut Blue_Led_SET(DIGITAL_OUT_BlueLed_PIN);
+//DigitalOut Red_Led_SET(DIGITAL_OUT_RedLed_PIN);
+
+//End Add by Ax 2016-4-23
+
+BLE             ble;
+
+DigitalOut      LED_SET(DIGITAL_OUT_PIN);
+DigitalIn       BUTTON(DIGITAL_IN_PIN);
+PwmOut          PWM(PWM_PIN);
+AnalogIn        ANALOG(ANALOG_IN_PIN);
+Servo           MYSERVO(SERVO_PIN);
+
+Serial pc(USBTX, USBRX);
+
+static uint8_t analog_enabled = 0;
+static uint8_t old_state = 0;
+
+// The Nordic UART Service
+static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
+static const uint8_t uart_tx_uuid[]   = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
+static const uint8_t uart_rx_uuid[]   = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
+static const uint8_t uart_base_uuid_rev[] = {0x1E, 0x94, 0x8D, 0xF1, 0x48, 0x31, 0x94, 0xBA, 0x75, 0x4C, 0x3E, 0x50, 0, 0, 0x3D, 0x71};
+
+uint8_t txPayload[TXRX_BUF_LEN] = {0,};
+uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
+
+//static uint8_t rx_buf[TXRX_BUF_LEN];
+//static uint8_t rx_len=0;
+
+
+GattCharacteristic  txCharacteristic (uart_tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
+                                      
+GattCharacteristic  rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
+                                      
+GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
+
+GattService         uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
+
+
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    pc.printf("Disconnected \r\n");
+    pc.printf("Restart advertising \r\n");
+    ble.startAdvertising();
+}
 
+void WrittenHandler(const GattWriteCallbackParams *Handler)
+{   
+    uint8_t buf[TXRX_BUF_LEN];
+    uint16_t bytesRead, index;
+    
+    if (Handler->handle == txCharacteristic.getValueAttribute().getHandle()) 
+    {
+        ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
+        memset(txPayload, 0, TXRX_BUF_LEN);
+        memcpy(txPayload, buf, TXRX_BUF_LEN);       
+        
+        for(index=0; index<bytesRead; index++)
+            pc.putc(buf[index]);
+            
+        if(buf[0] == 0x01)
+        {
+            if(buf[1] == 0x01)
+                LED_SET = 1;
+            else
+                LED_SET = 0;    
+        }
+        else if(buf[0] == 0xA0)
+        {
+            if(buf[1] == 0x01)
+                analog_enabled = 1;
+            else
+                analog_enabled = 0;
+        }
+        else if(buf[0] == 0x02)
+        {
+            float value = (float)buf[1]/255;
+            PWM = value;
+        }
+        else if(buf[0] == 0x03)
+        {
+            MYSERVO.write(buf[1]);
+        }
+        else if(buf[0] == 0x04)
+        {
+            analog_enabled = 0;
+            PWM = 0;
+            MYSERVO.write(0);
+            LED_SET = 0;
+            old_state = 0;    
+        }
+
+    }
+}
+/*
+void uartCB(void)
+{   
+    while(pc.readable())    
+    {
+        rx_buf[rx_len++] = pc.getc();    
+        if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
+        {
+            ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len); 
+            pc.printf("RecHandler \r\n");
+            pc.printf("Length: ");
+            pc.putc(rx_len);
+            pc.printf("\r\n");
+            rx_len = 0;
+            break;
+        }
+    }
+}
+*/
+void m_status_check_handle(void)
+{   
+    uint8_t buf[6];
+    //float buf[6];
+    if (analog_enabled)  // if analog reading enabled
+    {
+        // Read and send out
+        //float s = ANALOG;
+        //uint16_t value = s*1024;
+        //buf[0] = (0x0B);
+        //buf[1] = (value >> 8);
+        //buf[2] = (value);
+        //ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3); 
+              
+        //float s = 4;
+        //uint16_t value = s*1024;
+        //buf[0] = (0x0B);
+        //buf[1] = 4.5;
+        //buf[2] = 18;
+        
+        buf[0] = (0x0B);//Result ID
+        
+        buf[1] = arrHistoryEnvironment[0];//Total Work Hours
+        //uint16_t value = arrHistoryEnvironment[0]*1024;
+        //buf[1] = (value>>8);//Total Work Hours        
+        
+        buf[2] = arrHistoryEnvironment[1];//Total Rest Hours
+        //value=arrHistoryEnvironment[1]*1024;
+        //buf[2] = (value>>8);//Total Rest Hours
+        
+        buf[3] = arrCurrentEnvironment[0];//Current Work Hours
+        //value=arrCurrentEnvironment[0]*1024;
+        //buf[3] = (value>>8);//Current Work Hours
+        
+        buf[4] = arrCurrentEnvironment[1];//Current Rest Hours
+        //value=arrCurrentEnvironment[1]*1024;
+        //buf[4] = (value>>8);//Current Rest Hours
+        
+        buf[5] = arrCurrentEnvironment[2];//Current Temperature
+        //value=arrCurrentEnvironment[2]*1024;
+        //buf[5] = (value>>8);//Current Temperature
+        ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 6); 
+    }
+    
+    // If digital in changes, report the state
+    if (BUTTON != old_state)
+    {
+        old_state = BUTTON;
+        
+        if (BUTTON == 1)
+        {
+            buf[0] = (0x0A);
+            buf[1] = (0x01);
+            buf[2] = (0x00);    
+            ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3); 
+        }
+        else
+        {
+            buf[0] = (0x0A);
+            buf[1] = (0x00);
+            buf[2] = (0x00);
+           ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3); 
+        }
+    }
+}
+
+//Start Add by Ax 2016-4-23
+void GetTemperature() 
+{
     while(1) {
         if (bmp180.init() != 0) {
             printf("Error communicating with BMP180\n");
@@ -17,24 +233,124 @@
         wait(1);
     }
 
-    while(1) {
-        bmp180.startTemperature();
-        wait_ms(5);     // Wait for conversion to complete
-        float temp;
+    bmp180.startTemperature();
+    wait_ms(5);     // Wait for conversion to complete
+    float temp;
+    while(1)
+    {
         if(bmp180.getTemperature(&temp) != 0) {
             printf("Error getting temperature\n");
             continue;
         }
+        else
+            break;
+    }
+    arrCurrentEnvironment[2]=temp;
+    //bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
+    //wait_ms(10);    // Wait for conversion to complete
+    //int pressure;
+    //if(bmp180.getPressure(&pressure) != 0) {
+    //    printf("Error getting pressure\n");
+    //    continue;
+    //}
 
-        bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
-        wait_ms(10);    // Wait for conversion to complete
-        int pressure;
-        if(bmp180.getPressure(&pressure) != 0) {
-            printf("Error getting pressure\n");
-            continue;
+    //printf("Pressure = %d Pa Temperature = %f C\n", pressure, temp);
+    //wait(1);
+}
+
+void CheckEnvironment()
+{
+    //Blue_Led_SET=1;//Enable bule LED means start to check
+    //Red_Led_SET=0;//Disable RED LED means start to check
+    for(int i=0;i<checkCounter;i++)
+    {
+        if(!IsNoPeopleInfront)
+        {
+            //Red_Led_SET=0;
+            //LED_R = 1;            
+            //LED_R = 0;
+            //wait(1);
+            //if check many times there's no people
+            if(i==checkCounter-1)
+            {
+                //if no people there, Add rest hours e.g. 2
+                arrCurrentEnvironment[1]=arrCurrentEnvironment[1]+1;
+                arrHistoryEnvironment[1]=arrHistoryEnvironment[1]+1;
+                
+                //if rest enough time, rest working hour and rest hours
+                if(arrCurrentEnvironment[1]>stdRestHours)
+                {
+                    arrCurrentEnvironment[0]=0;
+                    arrCurrentEnvironment[1]=0;
+                }
+            }
         }
-
-        printf("Pressure = %d Pa Temperature = %f C\n", pressure, temp);
+        else
+        {
+            //if people is siting there, Add working hours e.g. 2
+            arrCurrentEnvironment[0]=arrCurrentEnvironment[0]+1;
+            arrHistoryEnvironment[0]=arrHistoryEnvironment[0]+1;
+            arrCurrentEnvironment[1]=0;//Rest hours set to 0
+            //if working enough time, warn user
+            if(arrCurrentEnvironment[0]>stdWorkHours)
+            {
+                //Red_Led_SET=1;
+                //Blue_Led_SET=0;
+            }
+            /*
+            arrCurrentEnvironment;
+            float arrHistoryEnvironment[2] = {0,0};//total working hours,total rest hours
+            float arrCurrentEnvironment[3] = {0,0,0};//current working hours,current rest hours,current temperature
+            float stdWorkHours=60;//60 seconds for testing
+            float stdRestHours=15;//15 seconds for testing
+            float stdTemperature=18;//18 degree for testing
+            */
+        }
         wait(1);
     }
-}
\ No newline at end of file
+    
+    GetTemperature();
+}
+//End Add by Ax 2016-4-23
+
+int main(void)
+{   
+    Ticker ticker;
+    ticker.attach_us(m_status_check_handle, 200000);
+    
+    ble.init();
+    ble.onDisconnection(disconnectionCallback);
+    ble.onDataWritten(WrittenHandler);  
+    
+    pc.baud(9600);
+    pc.printf("SimpleChat Init \r\n");
+
+    //pc.attach( uartCB , pc.RxIrq);
+    
+    // setup advertising 
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
+                                    (const uint8_t *)"Biscuit", sizeof("Biscuit") - 1);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
+                                    (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
+    // 100ms; in multiples of 0.625ms. 
+    ble.setAdvertisingInterval(160);
+
+    ble.addService(uartService);
+    
+    ble.startAdvertising(); 
+    
+    pc.printf("Advertising Start \r\n");
+    
+    while(1)
+    {
+        ble.waitForEvent(); 
+        //Check Temperature & People sitting time
+        CheckEnvironment();
+        //wait(1);
+        //Red_Led_SET=0;
+        //Blue_Led_SET=0;
+        
+    }
+}
diff -r 20c4b5932337 -r b67c5cc2ac61 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Apr 28 06:29:59 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/082adc85693f
\ No newline at end of file
diff -r 20c4b5932337 -r b67c5cc2ac61 nRF51822.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nRF51822.lib	Thu Apr 28 06:29:59 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#3cc0718d98d0