This version includes the BMP180 pressure/temperature/altitude sensor. The adquisition of these values were done through BLE over a Rasberry Pi.

Dependencies:   BLE_API BMP085 BMP180 I2C_Driver mbed nRF51822

Fork of nRF51822_SimpleControls by RedBearLab

Committer:
kat123
Date:
Sun Jan 01 18:27:03 2017 +0000
Revision:
5:55d6789683d5
Parent:
4:33c71735c529
Last Version including BMP180 sensor lecture.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RedBearLab 1:f03072e32ed3 1 /*
RedBearLab 1:f03072e32ed3 2
RedBearLab 1:f03072e32ed3 3 Copyright (c) 2012-2014 RedBearLab
RedBearLab 1:f03072e32ed3 4
RedBearLab 1:f03072e32ed3 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
RedBearLab 1:f03072e32ed3 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
RedBearLab 1:f03072e32ed3 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
RedBearLab 1:f03072e32ed3 8 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
RedBearLab 1:f03072e32ed3 9 subject to the following conditions:
RedBearLab 1:f03072e32ed3 10 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
RedBearLab 1:f03072e32ed3 11
RedBearLab 1:f03072e32ed3 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
RedBearLab 1:f03072e32ed3 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
RedBearLab 1:f03072e32ed3 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
RedBearLab 1:f03072e32ed3 15 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
RedBearLab 1:f03072e32ed3 16 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
RedBearLab 1:f03072e32ed3 17
RedBearLab 1:f03072e32ed3 18 */
RedBearLab 0:dfcebc1e442a 19
RedBearLab 0:dfcebc1e442a 20 #include "mbed.h"
RedBearLab 2:bbcdd23ba9ba 21 #include "ble/BLE.h"
RedBearLab 0:dfcebc1e442a 22 #include "Servo.h"
RedBearLab 2:bbcdd23ba9ba 23 #include "GattCallbackParamTypes.h"
kat123 4:33c71735c529 24 #include "BMP180.h"
kat123 5:55d6789683d5 25 //#include "BMP"
kat123 5:55d6789683d5 26 I2C i2c(D14, D15);
kat123 5:55d6789683d5 27 BMP180 bmp180(&i2c);
RedBearLab 0:dfcebc1e442a 28
RedBearLab 0:dfcebc1e442a 29 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
RedBearLab 0:dfcebc1e442a 30 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
RedBearLab 0:dfcebc1e442a 31 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
RedBearLab 0:dfcebc1e442a 32
RedBearLab 0:dfcebc1e442a 33 #define TXRX_BUF_LEN 20
RedBearLab 0:dfcebc1e442a 34
RedBearLab 0:dfcebc1e442a 35 #define DIGITAL_OUT_PIN P0_17 //D7
RedBearLab 0:dfcebc1e442a 36 #define DIGITAL_IN_PIN P0_5 //A4
RedBearLab 0:dfcebc1e442a 37 #define PWM_PIN P0_16 //D6
RedBearLab 0:dfcebc1e442a 38 #define SERVO_PIN P0_14 //D10
RedBearLab 0:dfcebc1e442a 39 #define ANALOG_IN_PIN P0_6 //A5
RedBearLab 0:dfcebc1e442a 40
RedBearLab 2:bbcdd23ba9ba 41 BLE ble;
RedBearLab 0:dfcebc1e442a 42
RedBearLab 0:dfcebc1e442a 43 DigitalOut LED_SET(DIGITAL_OUT_PIN);
RedBearLab 0:dfcebc1e442a 44 DigitalIn BUTTON(DIGITAL_IN_PIN);
RedBearLab 0:dfcebc1e442a 45 PwmOut PWM(PWM_PIN);
RedBearLab 0:dfcebc1e442a 46 AnalogIn ANALOG(ANALOG_IN_PIN);
RedBearLab 0:dfcebc1e442a 47 Servo MYSERVO(SERVO_PIN);
RedBearLab 0:dfcebc1e442a 48
RedBearLab 0:dfcebc1e442a 49 Serial pc(USBTX, USBRX);
RedBearLab 0:dfcebc1e442a 50
RedBearLab 0:dfcebc1e442a 51 static uint8_t analog_enabled = 0;
kat123 4:33c71735c529 52 static uint8_t temperature_enabled=0;
kat123 4:33c71735c529 53 static uint8_t pressure_enabled=0;
RedBearLab 0:dfcebc1e442a 54 static uint8_t old_state = 0;
RedBearLab 0:dfcebc1e442a 55
RedBearLab 0:dfcebc1e442a 56 // The Nordic UART Service
RedBearLab 0:dfcebc1e442a 57 static const uint8_t uart_base_uuid[] = {0x71, 0x3D, 0, 0, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:dfcebc1e442a 58 static const uint8_t uart_tx_uuid[] = {0x71, 0x3D, 0, 3, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:dfcebc1e442a 59 static const uint8_t uart_rx_uuid[] = {0x71, 0x3D, 0, 2, 0x50, 0x3E, 0x4C, 0x75, 0xBA, 0x94, 0x31, 0x48, 0xF1, 0x8D, 0x94, 0x1E};
RedBearLab 0:dfcebc1e442a 60 static const uint8_t uart_base_uuid_rev[] = {0x1E, 0x94, 0x8D, 0xF1, 0x48, 0x31, 0x94, 0xBA, 0x75, 0x4C, 0x3E, 0x50, 0, 0, 0x3D, 0x71};
RedBearLab 0:dfcebc1e442a 61
RedBearLab 0:dfcebc1e442a 62
RedBearLab 0:dfcebc1e442a 63 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 64 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 65
RedBearLab 0:dfcebc1e442a 66 //static uint8_t rx_buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 67 //static uint8_t rx_len=0;
RedBearLab 0:dfcebc1e442a 68
RedBearLab 0:dfcebc1e442a 69
RedBearLab 0:dfcebc1e442a 70 GattCharacteristic txCharacteristic (uart_tx_uuid, txPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
RedBearLab 0:dfcebc1e442a 71
RedBearLab 0:dfcebc1e442a 72 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
RedBearLab 0:dfcebc1e442a 73
RedBearLab 0:dfcebc1e442a 74 GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
RedBearLab 0:dfcebc1e442a 75
RedBearLab 0:dfcebc1e442a 76 GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
RedBearLab 0:dfcebc1e442a 77
RedBearLab 0:dfcebc1e442a 78
RedBearLab 0:dfcebc1e442a 79
RedBearLab 3:823f105078c7 80 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
RedBearLab 0:dfcebc1e442a 81 {
RedBearLab 0:dfcebc1e442a 82 pc.printf("Disconnected \r\n");
RedBearLab 0:dfcebc1e442a 83 pc.printf("Restart advertising \r\n");
RedBearLab 0:dfcebc1e442a 84 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 85 }
RedBearLab 0:dfcebc1e442a 86
RedBearLab 2:bbcdd23ba9ba 87 void WrittenHandler(const GattWriteCallbackParams *Handler)
RedBearLab 0:dfcebc1e442a 88 {
RedBearLab 0:dfcebc1e442a 89 uint8_t buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 90 uint16_t bytesRead, index;
RedBearLab 0:dfcebc1e442a 91
RedBearLab 2:bbcdd23ba9ba 92 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle())
RedBearLab 0:dfcebc1e442a 93 {
RedBearLab 0:dfcebc1e442a 94 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
RedBearLab 0:dfcebc1e442a 95 memset(txPayload, 0, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 96 memcpy(txPayload, buf, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 97
RedBearLab 0:dfcebc1e442a 98 for(index=0; index<bytesRead; index++)
RedBearLab 0:dfcebc1e442a 99 pc.putc(buf[index]);
RedBearLab 0:dfcebc1e442a 100
RedBearLab 0:dfcebc1e442a 101 if(buf[0] == 0x01)
RedBearLab 0:dfcebc1e442a 102 {
RedBearLab 0:dfcebc1e442a 103 if(buf[1] == 0x01)
RedBearLab 0:dfcebc1e442a 104 LED_SET = 1;
RedBearLab 0:dfcebc1e442a 105 else
RedBearLab 0:dfcebc1e442a 106 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 107 }
RedBearLab 0:dfcebc1e442a 108 else if(buf[0] == 0xA0)
RedBearLab 0:dfcebc1e442a 109 {
RedBearLab 0:dfcebc1e442a 110 if(buf[1] == 0x01)
RedBearLab 0:dfcebc1e442a 111 analog_enabled = 1;
RedBearLab 0:dfcebc1e442a 112 else
kat123 5:55d6789683d5 113 analog_enabled = 0;
kat123 5:55d6789683d5 114
RedBearLab 0:dfcebc1e442a 115 }
RedBearLab 0:dfcebc1e442a 116 else if(buf[0] == 0x02)
RedBearLab 0:dfcebc1e442a 117 {
RedBearLab 0:dfcebc1e442a 118 float value = (float)buf[1]/255;
RedBearLab 0:dfcebc1e442a 119 PWM = value;
RedBearLab 0:dfcebc1e442a 120 }
RedBearLab 0:dfcebc1e442a 121 else if(buf[0] == 0x03)
RedBearLab 0:dfcebc1e442a 122 {
RedBearLab 0:dfcebc1e442a 123 MYSERVO.write(buf[1]);
RedBearLab 0:dfcebc1e442a 124 }
RedBearLab 0:dfcebc1e442a 125 else if(buf[0] == 0x04)
RedBearLab 0:dfcebc1e442a 126 {
RedBearLab 0:dfcebc1e442a 127 analog_enabled = 0;
RedBearLab 0:dfcebc1e442a 128 PWM = 0;
RedBearLab 0:dfcebc1e442a 129 MYSERVO.write(0);
RedBearLab 0:dfcebc1e442a 130 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 131 old_state = 0;
RedBearLab 0:dfcebc1e442a 132 }
kat123 4:33c71735c529 133
kat123 4:33c71735c529 134 else if(buf[0]== 0xA1)
kat123 4:33c71735c529 135 {
kat123 4:33c71735c529 136 if(buf[1]==0x01)
kat123 4:33c71735c529 137
kat123 4:33c71735c529 138 temperature_enabled = 1;
kat123 4:33c71735c529 139 else
kat123 4:33c71735c529 140 temperature_enabled = 0;
kat123 4:33c71735c529 141 }
kat123 4:33c71735c529 142
kat123 4:33c71735c529 143 else if(buf[0]== 0xA2)
kat123 4:33c71735c529 144 {
kat123 4:33c71735c529 145 if(buf[1]==0x01)
kat123 4:33c71735c529 146 pressure_enabled = 1;
kat123 4:33c71735c529 147 else
kat123 4:33c71735c529 148 pressure_enabled = 0;
kat123 4:33c71735c529 149 }
RedBearLab 0:dfcebc1e442a 150
RedBearLab 0:dfcebc1e442a 151 }
RedBearLab 0:dfcebc1e442a 152 }
RedBearLab 0:dfcebc1e442a 153 /*
RedBearLab 0:dfcebc1e442a 154 void uartCB(void)
RedBearLab 0:dfcebc1e442a 155 {
RedBearLab 0:dfcebc1e442a 156 while(pc.readable())
RedBearLab 0:dfcebc1e442a 157 {
RedBearLab 0:dfcebc1e442a 158 rx_buf[rx_len++] = pc.getc();
RedBearLab 0:dfcebc1e442a 159 if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
RedBearLab 0:dfcebc1e442a 160 {
RedBearLab 0:dfcebc1e442a 161 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len);
RedBearLab 0:dfcebc1e442a 162 pc.printf("RecHandler \r\n");
RedBearLab 0:dfcebc1e442a 163 pc.printf("Length: ");
RedBearLab 0:dfcebc1e442a 164 pc.putc(rx_len);
RedBearLab 0:dfcebc1e442a 165 pc.printf("\r\n");
RedBearLab 0:dfcebc1e442a 166 rx_len = 0;
RedBearLab 0:dfcebc1e442a 167 break;
RedBearLab 0:dfcebc1e442a 168 }
RedBearLab 0:dfcebc1e442a 169 }
RedBearLab 0:dfcebc1e442a 170 }
RedBearLab 0:dfcebc1e442a 171 */
RedBearLab 0:dfcebc1e442a 172 void m_status_check_handle(void)
RedBearLab 0:dfcebc1e442a 173 {
RedBearLab 0:dfcebc1e442a 174 uint8_t buf[3];
RedBearLab 0:dfcebc1e442a 175 if (analog_enabled) // if analog reading enabled
RedBearLab 0:dfcebc1e442a 176 {
RedBearLab 0:dfcebc1e442a 177 // Read and send out
RedBearLab 0:dfcebc1e442a 178 float s = ANALOG;
RedBearLab 0:dfcebc1e442a 179 uint16_t value = s*1024;
RedBearLab 0:dfcebc1e442a 180 buf[0] = (0x0B);
RedBearLab 0:dfcebc1e442a 181 buf[1] = (value >> 8);
RedBearLab 0:dfcebc1e442a 182 buf[2] = (value);
RedBearLab 0:dfcebc1e442a 183 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 184 }
kat123 4:33c71735c529 185 if(temperature_enabled)
kat123 4:33c71735c529 186 {
kat123 5:55d6789683d5 187 bmp180.startTemperature();
kat123 5:55d6789683d5 188 wait_ms(5);
kat123 5:55d6789683d5 189
kat123 4:33c71735c529 190 float temp;
kat123 5:55d6789683d5 191 bmp180.getTemperature(&temp);
kat123 5:55d6789683d5 192 uint16_t value=temp*1024;
kat123 5:55d6789683d5 193 buf[0]=(0x0B);
kat123 5:55d6789683d5 194 buf[1]=(value >> 8);
kat123 4:33c71735c529 195 buf[2]=(value);
kat123 4:33c71735c529 196 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
kat123 5:55d6789683d5 197 // printf("Tempreature: %f \r\n", temp);
kat123 5:55d6789683d5 198
kat123 4:33c71735c529 199 }
kat123 4:33c71735c529 200 if(pressure_enabled)
kat123 4:33c71735c529 201 {
kat123 5:55d6789683d5 202 bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
kat123 5:55d6789683d5 203 wait_ms(10);
kat123 5:55d6789683d5 204
kat123 4:33c71735c529 205 int pres;
kat123 5:55d6789683d5 206 bmp180.getPressure(&pres);
kat123 5:55d6789683d5 207 uint16_t value=pres*1024;
kat123 4:33c71735c529 208 buf[0]=(0x0B);
kat123 4:33c71735c529 209 buf[1]=(value>>8);
kat123 4:33c71735c529 210 buf[2]=(value);
kat123 4:33c71735c529 211 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
kat123 5:55d6789683d5 212 //printf("Pressure: %d \r\n", pres);
kat123 4:33c71735c529 213 }
RedBearLab 0:dfcebc1e442a 214
RedBearLab 0:dfcebc1e442a 215 // If digital in changes, report the state
RedBearLab 0:dfcebc1e442a 216 if (BUTTON != old_state)
RedBearLab 0:dfcebc1e442a 217 {
RedBearLab 0:dfcebc1e442a 218 old_state = BUTTON;
RedBearLab 0:dfcebc1e442a 219
RedBearLab 0:dfcebc1e442a 220 if (BUTTON == 1)
RedBearLab 0:dfcebc1e442a 221 {
RedBearLab 0:dfcebc1e442a 222 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 223 buf[1] = (0x01);
RedBearLab 0:dfcebc1e442a 224 buf[2] = (0x00);
RedBearLab 0:dfcebc1e442a 225 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 226 }
RedBearLab 0:dfcebc1e442a 227 else
RedBearLab 0:dfcebc1e442a 228 {
RedBearLab 0:dfcebc1e442a 229 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 230 buf[1] = (0x00);
RedBearLab 0:dfcebc1e442a 231 buf[2] = (0x00);
RedBearLab 0:dfcebc1e442a 232 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 233 }
RedBearLab 0:dfcebc1e442a 234 }
RedBearLab 0:dfcebc1e442a 235 }
RedBearLab 0:dfcebc1e442a 236
RedBearLab 0:dfcebc1e442a 237
RedBearLab 0:dfcebc1e442a 238 int main(void)
RedBearLab 0:dfcebc1e442a 239 {
RedBearLab 0:dfcebc1e442a 240 Ticker ticker;
RedBearLab 0:dfcebc1e442a 241 ticker.attach_us(m_status_check_handle, 200000);
RedBearLab 0:dfcebc1e442a 242
RedBearLab 0:dfcebc1e442a 243 ble.init();
RedBearLab 0:dfcebc1e442a 244 ble.onDisconnection(disconnectionCallback);
RedBearLab 0:dfcebc1e442a 245 ble.onDataWritten(WrittenHandler);
RedBearLab 0:dfcebc1e442a 246
RedBearLab 0:dfcebc1e442a 247 pc.baud(9600);
RedBearLab 0:dfcebc1e442a 248 pc.printf("SimpleChat Init \r\n");
RedBearLab 0:dfcebc1e442a 249
RedBearLab 0:dfcebc1e442a 250 //pc.attach( uartCB , pc.RxIrq);
RedBearLab 0:dfcebc1e442a 251
RedBearLab 0:dfcebc1e442a 252 // setup advertising
RedBearLab 0:dfcebc1e442a 253 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
RedBearLab 0:dfcebc1e442a 254 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
RedBearLab 0:dfcebc1e442a 255 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
kat123 5:55d6789683d5 256 (const uint8_t *)"FaKa123", sizeof("FaKa123") - 1);
RedBearLab 0:dfcebc1e442a 257 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
RedBearLab 0:dfcebc1e442a 258 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
RedBearLab 0:dfcebc1e442a 259 // 100ms; in multiples of 0.625ms.
RedBearLab 0:dfcebc1e442a 260 ble.setAdvertisingInterval(160);
RedBearLab 0:dfcebc1e442a 261
RedBearLab 0:dfcebc1e442a 262 ble.addService(uartService);
RedBearLab 0:dfcebc1e442a 263
RedBearLab 0:dfcebc1e442a 264 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 265
RedBearLab 0:dfcebc1e442a 266 pc.printf("Advertising Start \r\n");
RedBearLab 0:dfcebc1e442a 267
kat123 5:55d6789683d5 268 bmp180.init();
kat123 5:55d6789683d5 269
RedBearLab 0:dfcebc1e442a 270 while(1)
RedBearLab 0:dfcebc1e442a 271 {
kat123 5:55d6789683d5 272 //bmp180.init();
RedBearLab 0:dfcebc1e442a 273 ble.waitForEvent();
RedBearLab 0:dfcebc1e442a 274 }
RedBearLab 0:dfcebc1e442a 275 }
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