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BMP180 Digital temperature sensor, BLE, & human body infrared sensor
Dependencies: BLE_API BMP180 mbed nRF51822
Fork of BMP180_example by
Revision 3:b67c5cc2ac61, committed 2016-04-28
- Comitter:
- geekfamily
- Date:
- Thu Apr 28 06:29:59 2016 +0000
- Parent:
- 2:20c4b5932337
- Commit message:
- Healthy in Office
Changed in this revision
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