project Internet of things 2016 UPMC : based on simple controls, it sends pression and temperature from BMP180

Dependencies:   BLE_API BMP180 mbed nRF51822

Files at this revision

API Documentation at this revision

Comitter:
quentin93
Date:
Mon Jan 02 22:10:20 2017 +0000
Commit message:
project Internet of things 2016 UPMC

Changed in this revision

BLE_API.lib Show annotated file Show diff for this revision Revisions of this file
BMP180.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 000000000000 -r 05113982163d BLE_API.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BLE_API.lib	Mon Jan 02 22:10:20 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#65474dc93927
diff -r 000000000000 -r 05113982163d BMP180.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BMP180.lib	Mon Jan 02 22:10:20 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/kgills/code/BMP180/#b2219e6e444b
diff -r 000000000000 -r 05113982163d Servo.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.cpp	Mon Jan 02 22:10:20 2017 +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 000000000000 -r 05113982163d Servo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Servo.h	Mon Jan 02 22:10:20 2017 +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 000000000000 -r 05113982163d main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 02 22:10:20 2017 +0000
@@ -0,0 +1,297 @@
+/*
+
+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 "mbed.h"
+#include "ble/BLE.h"
+#include "Servo.h"
+#include "GattCallbackParamTypes.h"
+#include "BMP180.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_1   //A0
+
+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;
+static bool temp_enabled = false;
+static bool pres_enabled = false;
+I2C i2c(D14, D15);
+BMP180 bmp180(&i2c);
+
+// 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] == 0xA1){
+            if(buf[1] ==  0x01){
+                temp_enabled =true;
+            }else{
+                temp_enabled = false;
+            }
+        }
+        else if(buf[0] == 0xA2){
+            if(buf[1] ==  0x01){
+                pres_enabled =true;
+            }else{
+                pres_enabled = false;
+            }
+        }
+        
+            
+                
+        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[3];
+    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); 
+    }
+    if(temp_enabled){//if temperature reading enabled
+       float temp;
+       bmp180.startTemperature();
+        wait_ms(5);     // Wait for conversion to complete
+        bmp180.getTemperature(&temp);
+        uint16_t value = temp;
+        buf[0] = (0x0C);
+        buf[1] = (value >> 8);
+        buf[2] = (value);
+        ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
+    }
+    if(pres_enabled){//if pressure reading enabled
+       int pressure;
+        bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
+        wait_ms(10);    // Wait for conversion to complete
+        bmp180.getPressure(&pressure);
+        uint16_t value = pressure;
+        buf[0] = (0x0D);
+        buf[1] = (value >> 8);
+        buf[2] = (value);
+        ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
+    }
+    
+    // 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); 
+        }
+    }
+}
+
+
+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 *)"Samir", sizeof("Samir") - 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");
+    
+    bmp180.init();
+    
+    while(1)
+    {
+        ble.waitForEvent(); 
+    }
+}
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diff -r 000000000000 -r 05113982163d mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Jan 02 22:10:20 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9baf128c2fab
\ No newline at end of file
diff -r 000000000000 -r 05113982163d nRF51822.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nRF51822.lib	Mon Jan 02 22:10:20 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#c90ae1400bf2