Mehdi Hamm / Mbed 2 deprecated nRF51822_SimpleControls

syscom project

Dependencies:   BLE_API mbed nRF51822

Fork of nRF51822_SimpleControls by RedBearLab

main.cpp@4:608e9604ca26, 2017-01-08 (annotated)

Committer:
mehdiham
Date:
Sun Jan 08 22:06:54 2017 +0000
Revision:
4:608e9604ca26
Parent:
3:823f105078c7 
1

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"
mehdiham 4:608e9604ca26 24 #include "ble/FunctionPointerWithContext.h"
mehdiham 4:608e9604ca26 25 #include "BMP085.h"
RedBearLab 0:dfcebc1e442a 26
RedBearLab 0:dfcebc1e442a 27 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
RedBearLab 0:dfcebc1e442a 28 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
RedBearLab 0:dfcebc1e442a 29 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
RedBearLab 0:dfcebc1e442a 30
RedBearLab 0:dfcebc1e442a 31 #define TXRX_BUF_LEN 20
RedBearLab 0:dfcebc1e442a 32
RedBearLab 0:dfcebc1e442a 33 #define DIGITAL_OUT_PIN P0_17 //D7
RedBearLab 0:dfcebc1e442a 34 #define DIGITAL_IN_PIN P0_5 //A4
RedBearLab 0:dfcebc1e442a 35 #define PWM_PIN P0_16 //D6
RedBearLab 0:dfcebc1e442a 36 #define SERVO_PIN P0_14 //D10
mehdiham 4:608e9604ca26 37 #define ANALOG_IN_PIN P0_1 //A0
RedBearLab 0:dfcebc1e442a 38
RedBearLab 2:bbcdd23ba9ba 39 BLE ble;
RedBearLab 0:dfcebc1e442a 40
RedBearLab 0:dfcebc1e442a 41 DigitalOut LED_SET(DIGITAL_OUT_PIN);
RedBearLab 0:dfcebc1e442a 42 DigitalIn BUTTON(DIGITAL_IN_PIN);
RedBearLab 0:dfcebc1e442a 43 PwmOut PWM(PWM_PIN);
RedBearLab 0:dfcebc1e442a 44 AnalogIn ANALOG(ANALOG_IN_PIN);
RedBearLab 0:dfcebc1e442a 45 Servo MYSERVO(SERVO_PIN);
mehdiham 4:608e9604ca26 46 BMP085 myCaptor(P0_29, P0_28);
RedBearLab 0:dfcebc1e442a 47
RedBearLab 0:dfcebc1e442a 48 Serial pc(USBTX, USBRX);
RedBearLab 0:dfcebc1e442a 49
RedBearLab 0:dfcebc1e442a 50 static uint8_t analog_enabled = 0;
RedBearLab 0:dfcebc1e442a 51 static uint8_t old_state = 0;
mehdiham 4:608e9604ca26 52 static uint8_t captor_enabled = 0;
mehdiham 4:608e9604ca26 53 static uint8_t captor_enabled_for_pressure = 0;
RedBearLab 0:dfcebc1e442a 54
RedBearLab 0:dfcebc1e442a 55 // The Nordic UART Service
RedBearLab 0:dfcebc1e442a 56 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 57 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 58 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 59 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 60
RedBearLab 0:dfcebc1e442a 61
RedBearLab 0:dfcebc1e442a 62 uint8_t txPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 63 uint8_t rxPayload[TXRX_BUF_LEN] = {0,};
RedBearLab 0:dfcebc1e442a 64
RedBearLab 0:dfcebc1e442a 65 //static uint8_t rx_buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 66 //static uint8_t rx_len=0;
RedBearLab 0:dfcebc1e442a 67
RedBearLab 0:dfcebc1e442a 68
RedBearLab 0:dfcebc1e442a 69 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 70
RedBearLab 0:dfcebc1e442a 71 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
RedBearLab 0:dfcebc1e442a 72
RedBearLab 0:dfcebc1e442a 73 GattCharacteristic *uartChars[] = {&txCharacteristic, &rxCharacteristic};
RedBearLab 0:dfcebc1e442a 74
RedBearLab 0:dfcebc1e442a 75 GattService uartService(uart_base_uuid, uartChars, sizeof(uartChars) / sizeof(GattCharacteristic *));
RedBearLab 0:dfcebc1e442a 76
RedBearLab 0:dfcebc1e442a 77
RedBearLab 0:dfcebc1e442a 78
RedBearLab 3:823f105078c7 79 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
RedBearLab 0:dfcebc1e442a 80 {
RedBearLab 0:dfcebc1e442a 81 pc.printf("Disconnected \r\n");
RedBearLab 0:dfcebc1e442a 82 pc.printf("Restart advertising \r\n");
RedBearLab 0:dfcebc1e442a 83 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 84 }
RedBearLab 0:dfcebc1e442a 85
mehdiham 4:608e9604ca26 86 void confirmationHandler(uint16_t Handler)
mehdiham 4:608e9604ca26 87 {
mehdiham 4:608e9604ca26 88 if (captor_enabled)
mehdiham 4:608e9604ca26 89 captor_enabled = false;
mehdiham 4:608e9604ca26 90 }
mehdiham 4:608e9604ca26 91
RedBearLab 2:bbcdd23ba9ba 92 void WrittenHandler(const GattWriteCallbackParams *Handler)
RedBearLab 0:dfcebc1e442a 93 {
RedBearLab 0:dfcebc1e442a 94 uint8_t buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 95 uint16_t bytesRead, index;
RedBearLab 0:dfcebc1e442a 96
RedBearLab 2:bbcdd23ba9ba 97 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle())
RedBearLab 0:dfcebc1e442a 98 {
RedBearLab 0:dfcebc1e442a 99 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
RedBearLab 0:dfcebc1e442a 100 memset(txPayload, 0, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 101 memcpy(txPayload, buf, TXRX_BUF_LEN);
RedBearLab 0:dfcebc1e442a 102
RedBearLab 0:dfcebc1e442a 103 for(index=0; index<bytesRead; index++)
RedBearLab 0:dfcebc1e442a 104 pc.putc(buf[index]);
RedBearLab 0:dfcebc1e442a 105
RedBearLab 0:dfcebc1e442a 106 if(buf[0] == 0x01)
RedBearLab 0:dfcebc1e442a 107 {
RedBearLab 0:dfcebc1e442a 108 if(buf[1] == 0x01)
RedBearLab 0:dfcebc1e442a 109 LED_SET = 1;
RedBearLab 0:dfcebc1e442a 110 else
RedBearLab 0:dfcebc1e442a 111 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 112 }
RedBearLab 0:dfcebc1e442a 113 else if(buf[0] == 0xA0)
RedBearLab 0:dfcebc1e442a 114 {
mehdiham 4:608e9604ca26 115 if(buf[1] == 0x01){
RedBearLab 0:dfcebc1e442a 116 analog_enabled = 1;
mehdiham 4:608e9604ca26 117 captor_enabled = 1;
mehdiham 4:608e9604ca26 118 }
RedBearLab 0:dfcebc1e442a 119 else
RedBearLab 0:dfcebc1e442a 120 analog_enabled = 0;
mehdiham 4:608e9604ca26 121
RedBearLab 0:dfcebc1e442a 122 }
RedBearLab 0:dfcebc1e442a 123 else if(buf[0] == 0x02)
RedBearLab 0:dfcebc1e442a 124 {
mehdiham 4:608e9604ca26 125 captor_enabled_for_pressure= 1;
RedBearLab 0:dfcebc1e442a 126 float value = (float)buf[1]/255;
RedBearLab 0:dfcebc1e442a 127 PWM = value;
RedBearLab 0:dfcebc1e442a 128 }
RedBearLab 0:dfcebc1e442a 129 else if(buf[0] == 0x03)
RedBearLab 0:dfcebc1e442a 130 {
RedBearLab 0:dfcebc1e442a 131 MYSERVO.write(buf[1]);
RedBearLab 0:dfcebc1e442a 132 }
RedBearLab 0:dfcebc1e442a 133 else if(buf[0] == 0x04)
RedBearLab 0:dfcebc1e442a 134 {
RedBearLab 0:dfcebc1e442a 135 analog_enabled = 0;
RedBearLab 0:dfcebc1e442a 136 PWM = 0;
RedBearLab 0:dfcebc1e442a 137 MYSERVO.write(0);
RedBearLab 0:dfcebc1e442a 138 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 139 old_state = 0;
RedBearLab 0:dfcebc1e442a 140 }
RedBearLab 0:dfcebc1e442a 141
RedBearLab 0:dfcebc1e442a 142 }
RedBearLab 0:dfcebc1e442a 143 }
RedBearLab 0:dfcebc1e442a 144 /*
RedBearLab 0:dfcebc1e442a 145 void uartCB(void)
RedBearLab 0:dfcebc1e442a 146 {
RedBearLab 0:dfcebc1e442a 147 while(pc.readable())
RedBearLab 0:dfcebc1e442a 148 {
RedBearLab 0:dfcebc1e442a 149 rx_buf[rx_len++] = pc.getc();
RedBearLab 0:dfcebc1e442a 150 if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
RedBearLab 0:dfcebc1e442a 151 {
RedBearLab 0:dfcebc1e442a 152 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len);
RedBearLab 0:dfcebc1e442a 153 pc.printf("RecHandler \r\n");
RedBearLab 0:dfcebc1e442a 154 pc.printf("Length: ");
RedBearLab 0:dfcebc1e442a 155 pc.putc(rx_len);
RedBearLab 0:dfcebc1e442a 156 pc.printf("\r\n");
RedBearLab 0:dfcebc1e442a 157 rx_len = 0;
RedBearLab 0:dfcebc1e442a 158 break;
RedBearLab 0:dfcebc1e442a 159 }
RedBearLab 0:dfcebc1e442a 160 }
RedBearLab 0:dfcebc1e442a 161 }
RedBearLab 0:dfcebc1e442a 162 */
RedBearLab 0:dfcebc1e442a 163 void m_status_check_handle(void)
RedBearLab 0:dfcebc1e442a 164 {
RedBearLab 0:dfcebc1e442a 165 uint8_t buf[3];
RedBearLab 0:dfcebc1e442a 166 if (analog_enabled) // if analog reading enabled
RedBearLab 0:dfcebc1e442a 167 {
RedBearLab 0:dfcebc1e442a 168 // Read and send out
RedBearLab 0:dfcebc1e442a 169 float s = ANALOG;
RedBearLab 0:dfcebc1e442a 170 uint16_t value = s*1024;
RedBearLab 0:dfcebc1e442a 171 buf[0] = (0x0B);
RedBearLab 0:dfcebc1e442a 172 buf[1] = (value >> 8);
RedBearLab 0:dfcebc1e442a 173 buf[2] = (value);
RedBearLab 0:dfcebc1e442a 174 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 175 }
RedBearLab 0:dfcebc1e442a 176
mehdiham 4:608e9604ca26 177 if (captor_enabled)
mehdiham 4:608e9604ca26 178 {
mehdiham 4:608e9604ca26 179 // Read and send out
mehdiham 4:608e9604ca26 180 captor_enabled = false;
mehdiham 4:608e9604ca26 181 myCaptor.update();
mehdiham 4:608e9604ca26 182 float s = myCaptor.get_temperature() * 100;
mehdiham 4:608e9604ca26 183 int value = s;
mehdiham 4:608e9604ca26 184 buf[0] = (value >> 24);
mehdiham 4:608e9604ca26 185 buf[1] = (value >> 16);
mehdiham 4:608e9604ca26 186 buf[2] = (value >> 8);
mehdiham 4:608e9604ca26 187 buf[3] = value;
mehdiham 4:608e9604ca26 188 //for(int i = 0; i < 200000; ++i)
mehdiham 4:608e9604ca26 189 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 4);
mehdiham 4:608e9604ca26 190 }
mehdiham 4:608e9604ca26 191
mehdiham 4:608e9604ca26 192 if (captor_enabled_for_pressure)
mehdiham 4:608e9604ca26 193 {
mehdiham 4:608e9604ca26 194 // Read and send out
mehdiham 4:608e9604ca26 195 captor_enabled_for_pressure = false;
mehdiham 4:608e9604ca26 196 myCaptor.update();
mehdiham 4:608e9604ca26 197 float s = myCaptor.get_pressure() * 100;
mehdiham 4:608e9604ca26 198 uint32_t value = s;
mehdiham 4:608e9604ca26 199 buf[0] = (value >> 24);
mehdiham 4:608e9604ca26 200 buf[1] = (value >> 16);
mehdiham 4:608e9604ca26 201 buf[2] = (value >> 8);
mehdiham 4:608e9604ca26 202 buf[3] = (uint8_t) value;
mehdiham 4:608e9604ca26 203 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 4);
mehdiham 4:608e9604ca26 204 }
mehdiham 4:608e9604ca26 205
RedBearLab 0:dfcebc1e442a 206 // If digital in changes, report the state
RedBearLab 0:dfcebc1e442a 207 if (BUTTON != old_state)
RedBearLab 0:dfcebc1e442a 208 {
RedBearLab 0:dfcebc1e442a 209 old_state = BUTTON;
RedBearLab 0:dfcebc1e442a 210
RedBearLab 0:dfcebc1e442a 211 if (BUTTON == 1)
RedBearLab 0:dfcebc1e442a 212 {
RedBearLab 0:dfcebc1e442a 213 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 214 buf[1] = (0x01);
RedBearLab 0:dfcebc1e442a 215 buf[2] = (0x00);
RedBearLab 0:dfcebc1e442a 216 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 217 }
RedBearLab 0:dfcebc1e442a 218 else
RedBearLab 0:dfcebc1e442a 219 {
RedBearLab 0:dfcebc1e442a 220 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 221 buf[1] = (0x00);
RedBearLab 0:dfcebc1e442a 222 buf[2] = (0x00);
RedBearLab 0:dfcebc1e442a 223 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 224 }
RedBearLab 0:dfcebc1e442a 225 }
RedBearLab 0:dfcebc1e442a 226 }
RedBearLab 0:dfcebc1e442a 227
RedBearLab 0:dfcebc1e442a 228
RedBearLab 0:dfcebc1e442a 229 int main(void)
RedBearLab 0:dfcebc1e442a 230 {
RedBearLab 0:dfcebc1e442a 231 Ticker ticker;
RedBearLab 0:dfcebc1e442a 232 ticker.attach_us(m_status_check_handle, 200000);
RedBearLab 0:dfcebc1e442a 233
RedBearLab 0:dfcebc1e442a 234 ble.init();
RedBearLab 0:dfcebc1e442a 235 ble.onDisconnection(disconnectionCallback);
RedBearLab 0:dfcebc1e442a 236 ble.onDataWritten(WrittenHandler);
mehdiham 4:608e9604ca26 237 ble.onConfirmationReceived(confirmationHandler);
RedBearLab 0:dfcebc1e442a 238
RedBearLab 0:dfcebc1e442a 239 pc.baud(9600);
RedBearLab 0:dfcebc1e442a 240 pc.printf("SimpleChat Init \r\n");
RedBearLab 0:dfcebc1e442a 241
RedBearLab 0:dfcebc1e442a 242 //pc.attach( uartCB , pc.RxIrq);
RedBearLab 0:dfcebc1e442a 243
RedBearLab 0:dfcebc1e442a 244 // setup advertising
RedBearLab 0:dfcebc1e442a 245 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
RedBearLab 0:dfcebc1e442a 246 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
RedBearLab 0:dfcebc1e442a 247 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
RedBearLab 0:dfcebc1e442a 248 (const uint8_t *)"Biscuit", sizeof("Biscuit") - 1);
RedBearLab 0:dfcebc1e442a 249 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
RedBearLab 0:dfcebc1e442a 250 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
RedBearLab 0:dfcebc1e442a 251 // 100ms; in multiples of 0.625ms.
RedBearLab 0:dfcebc1e442a 252 ble.setAdvertisingInterval(160);
RedBearLab 0:dfcebc1e442a 253
RedBearLab 0:dfcebc1e442a 254 ble.addService(uartService);
RedBearLab 0:dfcebc1e442a 255
RedBearLab 0:dfcebc1e442a 256 ble.startAdvertising();
RedBearLab 0:dfcebc1e442a 257
RedBearLab 0:dfcebc1e442a 258 pc.printf("Advertising Start \r\n");
RedBearLab 0:dfcebc1e442a 259
RedBearLab 0:dfcebc1e442a 260 while(1)
RedBearLab 0:dfcebc1e442a 261 {
RedBearLab 0:dfcebc1e442a 262 ble.waitForEvent();
RedBearLab 0:dfcebc1e442a 263 }
RedBearLab 0:dfcebc1e442a 264 }
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