Temp and Pressure get on BMP180

Dependencies:   BLE_API BMP180 mbed nRF51822

Fork of nRF51822_SimpleControls by RedBearLab

Committer:
Yayg
Date:
Fri Jun 10 18:25:44 2016 +0000
Revision:
4:b97fd2ecd539
Parent:
3:823f105078c7
Initial commit;

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"
Yayg 4:b97fd2ecd539 21 #include "BMP180.h"
RedBearLab 2:bbcdd23ba9ba 22 #include "ble/BLE.h"
RedBearLab 0:dfcebc1e442a 23 #include "Servo.h"
RedBearLab 2:bbcdd23ba9ba 24 #include "GattCallbackParamTypes.h"
RedBearLab 0:dfcebc1e442a 25
RedBearLab 0:dfcebc1e442a 26 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
RedBearLab 0:dfcebc1e442a 27 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
RedBearLab 0:dfcebc1e442a 28 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
RedBearLab 0:dfcebc1e442a 29
RedBearLab 0:dfcebc1e442a 30 #define TXRX_BUF_LEN 20
RedBearLab 0:dfcebc1e442a 31
RedBearLab 0:dfcebc1e442a 32 #define DIGITAL_OUT_PIN P0_17 //D7
RedBearLab 0:dfcebc1e442a 33 #define DIGITAL_IN_PIN P0_5 //A4
RedBearLab 0:dfcebc1e442a 34 #define PWM_PIN P0_16 //D6
RedBearLab 0:dfcebc1e442a 35 #define SERVO_PIN P0_14 //D10
RedBearLab 0:dfcebc1e442a 36 #define ANALOG_IN_PIN P0_6 //A5
RedBearLab 0:dfcebc1e442a 37
Yayg 4:b97fd2ecd539 38 I2C i2c(D14, D15);
Yayg 4:b97fd2ecd539 39 BMP180 bmp180(&i2c);
Yayg 4:b97fd2ecd539 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;
RedBearLab 0:dfcebc1e442a 52 static uint8_t old_state = 0;
RedBearLab 0:dfcebc1e442a 53
RedBearLab 0:dfcebc1e442a 54 // The Nordic UART Service
RedBearLab 0:dfcebc1e442a 55 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 56 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 57 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 58 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 59
RedBearLab 0:dfcebc1e442a 60
RedBearLab 0:dfcebc1e442a 61 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 62 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 63
RedBearLab 0:dfcebc1e442a 64 //static uint8_t rx_buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 65 //static uint8_t rx_len=0;
RedBearLab 0:dfcebc1e442a 66
RedBearLab 0:dfcebc1e442a 67
RedBearLab 0:dfcebc1e442a 68 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 69
RedBearLab 0:dfcebc1e442a 70 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
RedBearLab 0:dfcebc1e442a 71
RedBearLab 0:dfcebc1e442a 72 GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
RedBearLab 0:dfcebc1e442a 73
RedBearLab 0:dfcebc1e442a 74 GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
RedBearLab 0:dfcebc1e442a 75
RedBearLab 0:dfcebc1e442a 76
RedBearLab 0:dfcebc1e442a 77
RedBearLab 3:823f105078c7 78 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
RedBearLab 0:dfcebc1e442a 79 {
RedBearLab 0:dfcebc1e442a 80 pc.printf("Disconnected \r\n");
RedBearLab 0:dfcebc1e442a 81 pc.printf("Restart advertising \r\n");
RedBearLab 0:dfcebc1e442a 82 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 83 }
RedBearLab 0:dfcebc1e442a 84
RedBearLab 2:bbcdd23ba9ba 85 void WrittenHandler(const GattWriteCallbackParams *Handler)
RedBearLab 0:dfcebc1e442a 86 {
RedBearLab 0:dfcebc1e442a 87 uint8_t buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 88 uint16_t bytesRead, index;
RedBearLab 0:dfcebc1e442a 89
RedBearLab 2:bbcdd23ba9ba 90 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle())
RedBearLab 0:dfcebc1e442a 91 {
RedBearLab 0:dfcebc1e442a 92 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
RedBearLab 0:dfcebc1e442a 93 memset(txPayload, 0, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 94 memcpy(txPayload, buf, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 95
RedBearLab 0:dfcebc1e442a 96 for(index=0; index<bytesRead; index++)
RedBearLab 0:dfcebc1e442a 97 pc.putc(buf[index]);
RedBearLab 0:dfcebc1e442a 98
RedBearLab 0:dfcebc1e442a 99 if(buf[0] == 0x01)
RedBearLab 0:dfcebc1e442a 100 {
RedBearLab 0:dfcebc1e442a 101 if(buf[1] == 0x01)
RedBearLab 0:dfcebc1e442a 102 LED_SET = 1;
RedBearLab 0:dfcebc1e442a 103 else
RedBearLab 0:dfcebc1e442a 104 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 105 }
RedBearLab 0:dfcebc1e442a 106 else if(buf[0] == 0xA0)
RedBearLab 0:dfcebc1e442a 107 {
Yayg 4:b97fd2ecd539 108 int pres = 0;
Yayg 4:b97fd2ecd539 109 bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
Yayg 4:b97fd2ecd539 110 wait_ms(5);
Yayg 4:b97fd2ecd539 111 if(bmp180.getPressure(&pres) != 0)
Yayg 4:b97fd2ecd539 112 printf("Error getting temperature\r\n");
Yayg 4:b97fd2ecd539 113 uint8_t buf[3];
Yayg 4:b97fd2ecd539 114 uint16_t value = pres/100;
Yayg 4:b97fd2ecd539 115 buf[0] = (0x0B);
Yayg 4:b97fd2ecd539 116 buf[1] = (value >> 8);
Yayg 4:b97fd2ecd539 117 buf[2] = (value);
Yayg 4:b97fd2ecd539 118 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
Yayg 4:b97fd2ecd539 119 }
Yayg 4:b97fd2ecd539 120 else if(buf[0] == 0xA1)
Yayg 4:b97fd2ecd539 121 {
Yayg 4:b97fd2ecd539 122 float temp = 0;
Yayg 4:b97fd2ecd539 123 bmp180.startTemperature();
Yayg 4:b97fd2ecd539 124 wait_ms(5);
Yayg 4:b97fd2ecd539 125 if(bmp180.getTemperature(&temp) != 0)
Yayg 4:b97fd2ecd539 126 printf("Error getting temperature\r\n");
Yayg 4:b97fd2ecd539 127 uint8_t buf[3];
Yayg 4:b97fd2ecd539 128 uint16_t value = temp;
Yayg 4:b97fd2ecd539 129 buf[0] = (0x0B);
Yayg 4:b97fd2ecd539 130 buf[1] = (value >> 8);
Yayg 4:b97fd2ecd539 131 buf[2] = (value);
Yayg 4:b97fd2ecd539 132 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 133 }
RedBearLab 0:dfcebc1e442a 134 else if(buf[0] == 0x02)
RedBearLab 0:dfcebc1e442a 135 {
RedBearLab 0:dfcebc1e442a 136 float value = (float)buf[1]/255;
RedBearLab 0:dfcebc1e442a 137 PWM = value;
RedBearLab 0:dfcebc1e442a 138 }
RedBearLab 0:dfcebc1e442a 139 else if(buf[0] == 0x03)
RedBearLab 0:dfcebc1e442a 140 {
RedBearLab 0:dfcebc1e442a 141 MYSERVO.write(buf[1]);
RedBearLab 0:dfcebc1e442a 142 }
RedBearLab 0:dfcebc1e442a 143 else if(buf[0] == 0x04)
RedBearLab 0:dfcebc1e442a 144 {
RedBearLab 0:dfcebc1e442a 145 analog_enabled = 0;
RedBearLab 0:dfcebc1e442a 146 PWM = 0;
RedBearLab 0:dfcebc1e442a 147 MYSERVO.write(0);
RedBearLab 0:dfcebc1e442a 148 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 149 old_state = 0;
RedBearLab 0:dfcebc1e442a 150 }
RedBearLab 0:dfcebc1e442a 151 }
RedBearLab 0:dfcebc1e442a 152 }
RedBearLab 0:dfcebc1e442a 153
RedBearLab 0:dfcebc1e442a 154 int main(void)
RedBearLab 0:dfcebc1e442a 155 {
Yayg 4:b97fd2ecd539 156 //Ticker ticker;
Yayg 4:b97fd2ecd539 157 //ticker.attach_us(m_status_check_handle, 200000);
RedBearLab 0:dfcebc1e442a 158
RedBearLab 0:dfcebc1e442a 159 ble.init();
RedBearLab 0:dfcebc1e442a 160 ble.onDisconnection(disconnectionCallback);
RedBearLab 0:dfcebc1e442a 161 ble.onDataWritten(WrittenHandler);
RedBearLab 0:dfcebc1e442a 162
RedBearLab 0:dfcebc1e442a 163 pc.baud(9600);
RedBearLab 0:dfcebc1e442a 164 pc.printf("SimpleChat Init \r\n");
RedBearLab 0:dfcebc1e442a 165
RedBearLab 0:dfcebc1e442a 166 //pc.attach( uartCB , pc.RxIrq);
RedBearLab 0:dfcebc1e442a 167
RedBearLab 0:dfcebc1e442a 168 // setup advertising
RedBearLab 0:dfcebc1e442a 169 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
RedBearLab 0:dfcebc1e442a 170 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
RedBearLab 0:dfcebc1e442a 171 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
Yayg 4:b97fd2ecd539 172 (const uint8_t *)"Pepito", sizeof("Pepito") - 1);
RedBearLab 0:dfcebc1e442a 173 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
RedBearLab 0:dfcebc1e442a 174 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
RedBearLab 0:dfcebc1e442a 175 // 100ms; in multiples of 0.625ms.
RedBearLab 0:dfcebc1e442a 176 ble.setAdvertisingInterval(160);
RedBearLab 0:dfcebc1e442a 177
RedBearLab 0:dfcebc1e442a 178 ble.addService(uartService);
RedBearLab 0:dfcebc1e442a 179
RedBearLab 0:dfcebc1e442a 180 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 181
RedBearLab 0:dfcebc1e442a 182 pc.printf("Advertising Start \r\n");
RedBearLab 0:dfcebc1e442a 183
Yayg 4:b97fd2ecd539 184
Yayg 4:b97fd2ecd539 185 while(1) {
Yayg 4:b97fd2ecd539 186 if (bmp180.init() != 0) {
Yayg 4:b97fd2ecd539 187 printf("Error communicating with BMP180\r\n");
Yayg 4:b97fd2ecd539 188 } else {
Yayg 4:b97fd2ecd539 189 printf("Initialized BMP180\r\n");
Yayg 4:b97fd2ecd539 190 break;
Yayg 4:b97fd2ecd539 191 }
Yayg 4:b97fd2ecd539 192 wait(1);
Yayg 4:b97fd2ecd539 193 }
Yayg 4:b97fd2ecd539 194
Yayg 4:b97fd2ecd539 195
RedBearLab 0:dfcebc1e442a 196 while(1)
Yayg 4:b97fd2ecd539 197 {
RedBearLab 0:dfcebc1e442a 198 ble.waitForEvent();
RedBearLab 0:dfcebc1e442a 199 }
Yayg 4:b97fd2ecd539 200 }