Corentin Gay / Mbed 2 deprecated IOT_Repository

Repo for th IOT course

Dependencies:   BLE_API BMP085 mbed nRF51822

Fork of nRF51822_SimpleControls by RedBearLab

Caca

main.cpp@4:762404f17d9d, 2017-05-09 (annotated)

Committer:
Cornetin
Date:
Tue May 09 08:01:53 2017 +0000
Revision:
4:762404f17d9d
Parent:
3:823f105078c7 
led blinking working

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
Cornetin 4:762404f17d9d 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Cornetin 4:762404f17d9d 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
Cornetin 4:762404f17d9d 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
Cornetin 4:762404f17d9d 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
Cornetin 4:762404f17d9d 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
Cornetin 4:762404f17d9d 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
Cornetin 4:762404f17d9d 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
Cornetin 4:762404f17d9d 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"
RedBearLab 0:dfcebc1e442a 24
RedBearLab 0:dfcebc1e442a 25 #define BLE_UUID_TXRX_SERVICE 0x0000 /**< The UUID of the Nordic UART Service. */
RedBearLab 0:dfcebc1e442a 26 #define BLE_UUID_TX_CHARACTERISTIC 0x0002 /**< The UUID of the TX Characteristic. */
RedBearLab 0:dfcebc1e442a 27 #define BLE_UUIDS_RX_CHARACTERISTIC 0x0003 /**< The UUID of the RX Characteristic. */
RedBearLab 0:dfcebc1e442a 28
RedBearLab 0:dfcebc1e442a 29 #define TXRX_BUF_LEN 20
RedBearLab 0:dfcebc1e442a 30
Cornetin 4:762404f17d9d 31 #define DIGITAL_OUT_PIN_LED P0_17 //D7
Cornetin 4:762404f17d9d 32 #define DIGITAL_OUT_PIN_BARO P0_10 //D2
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
Cornetin 4:762404f17d9d 36 #define ANALOG_IN_PIN P0_1 //A0
RedBearLab 0:dfcebc1e442a 37
RedBearLab 2:bbcdd23ba9ba 38 BLE ble;
RedBearLab 0:dfcebc1e442a 39
Cornetin 4:762404f17d9d 40 DigitalOut LED_SET(DIGITAL_OUT_PIN_LED);
Cornetin 4:762404f17d9d 41 bool LED_BLINK;
Cornetin 4:762404f17d9d 42
Cornetin 4:762404f17d9d 43
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);
Cornetin 4:762404f17d9d 69
RedBearLab 0:dfcebc1e442a 70 GattCharacteristic rxCharacteristic (uart_rx_uuid, rxPayload, 1, TXRX_BUF_LEN, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
Cornetin 4:762404f17d9d 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)
Cornetin 4:762404f17d9d 86 {
RedBearLab 0:dfcebc1e442a 87 uint8_t buf[TXRX_BUF_LEN];
RedBearLab 0:dfcebc1e442a 88 uint16_t bytesRead, index;
Cornetin 4:762404f17d9d 89
Cornetin 4:762404f17d9d 90 if (Handler->handle == txCharacteristic.getValueAttribute().getHandle()) {
RedBearLab 0:dfcebc1e442a 91 ble.readCharacteristicValue(txCharacteristic.getValueAttribute().getHandle(), buf, &bytesRead);
RedBearLab 0:dfcebc1e442a 92 memset(txPayload, 0, TXRX_BUF_LEN);
Cornetin 4:762404f17d9d 93 memcpy(txPayload, buf, TXRX_BUF_LEN);
Cornetin 4:762404f17d9d 94
RedBearLab 0:dfcebc1e442a 95 for(index=0; index<bytesRead; index++)
RedBearLab 0:dfcebc1e442a 96 pc.putc(buf[index]);
Cornetin 4:762404f17d9d 97
Cornetin 4:762404f17d9d 98 if(buf[0] == 0x01) {
Cornetin 4:762404f17d9d 99 if(buf[1] == 0x01){
Cornetin 4:762404f17d9d 100 LED_BLINK = 1;
Cornetin 4:762404f17d9d 101 }
RedBearLab 0:dfcebc1e442a 102 else
Cornetin 4:762404f17d9d 103 LED_BLINK = 0;
Cornetin 4:762404f17d9d 104 } else if(buf[0] == 0xA0) {
RedBearLab 0:dfcebc1e442a 105 if(buf[1] == 0x01)
RedBearLab 0:dfcebc1e442a 106 analog_enabled = 1;
RedBearLab 0:dfcebc1e442a 107 else
RedBearLab 0:dfcebc1e442a 108 analog_enabled = 0;
Cornetin 4:762404f17d9d 109 } else if(buf[0] == 0x02) {
RedBearLab 0:dfcebc1e442a 110 float value = (float)buf[1]/255;
RedBearLab 0:dfcebc1e442a 111 PWM = value;
Cornetin 4:762404f17d9d 112 } else if(buf[0] == 0x03) {
RedBearLab 0:dfcebc1e442a 113 MYSERVO.write(buf[1]);
Cornetin 4:762404f17d9d 114 } else if(buf[0] == 0x04) {
RedBearLab 0:dfcebc1e442a 115 analog_enabled = 0;
RedBearLab 0:dfcebc1e442a 116 PWM = 0;
RedBearLab 0:dfcebc1e442a 117 MYSERVO.write(0);
Cornetin 4:762404f17d9d 118 LED_BLINK = 0;
Cornetin 4:762404f17d9d 119 old_state = 0;
RedBearLab 0:dfcebc1e442a 120 }
RedBearLab 0:dfcebc1e442a 121
RedBearLab 0:dfcebc1e442a 122 }
RedBearLab 0:dfcebc1e442a 123 }
RedBearLab 0:dfcebc1e442a 124 /*
RedBearLab 0:dfcebc1e442a 125 void uartCB(void)
Cornetin 4:762404f17d9d 126 {
Cornetin 4:762404f17d9d 127 while(pc.readable())
RedBearLab 0:dfcebc1e442a 128 {
Cornetin 4:762404f17d9d 129 rx_buf[rx_len++] = pc.getc();
RedBearLab 0:dfcebc1e442a 130 if(rx_len>=20 || rx_buf[rx_len-1]=='\0' || rx_buf[rx_len-1]=='\n')
RedBearLab 0:dfcebc1e442a 131 {
Cornetin 4:762404f17d9d 132 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), rx_buf, rx_len);
RedBearLab 0:dfcebc1e442a 133 pc.printf("RecHandler \r\n");
RedBearLab 0:dfcebc1e442a 134 pc.printf("Length: ");
RedBearLab 0:dfcebc1e442a 135 pc.putc(rx_len);
RedBearLab 0:dfcebc1e442a 136 pc.printf("\r\n");
RedBearLab 0:dfcebc1e442a 137 rx_len = 0;
RedBearLab 0:dfcebc1e442a 138 break;
RedBearLab 0:dfcebc1e442a 139 }
RedBearLab 0:dfcebc1e442a 140 }
RedBearLab 0:dfcebc1e442a 141 }
RedBearLab 0:dfcebc1e442a 142 */
RedBearLab 0:dfcebc1e442a 143 void m_status_check_handle(void)
Cornetin 4:762404f17d9d 144 {
RedBearLab 0:dfcebc1e442a 145 uint8_t buf[3];
Cornetin 4:762404f17d9d 146 if (analog_enabled) { // if analog reading enabled
RedBearLab 0:dfcebc1e442a 147 // Read and send out
RedBearLab 0:dfcebc1e442a 148 float s = ANALOG;
Cornetin 4:762404f17d9d 149 uint16_t value = s*1024;
RedBearLab 0:dfcebc1e442a 150 buf[0] = (0x0B);
RedBearLab 0:dfcebc1e442a 151 buf[1] = (value >> 8);
RedBearLab 0:dfcebc1e442a 152 buf[2] = (value);
Cornetin 4:762404f17d9d 153 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 154 }
Cornetin 4:762404f17d9d 155
RedBearLab 0:dfcebc1e442a 156 // If digital in changes, report the state
Cornetin 4:762404f17d9d 157 if (BUTTON != old_state) {
RedBearLab 0:dfcebc1e442a 158 old_state = BUTTON;
Cornetin 4:762404f17d9d 159
Cornetin 4:762404f17d9d 160 if (BUTTON == 1) {
RedBearLab 0:dfcebc1e442a 161 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 162 buf[1] = (0x01);
Cornetin 4:762404f17d9d 163 buf[2] = (0x00);
Cornetin 4:762404f17d9d 164 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
Cornetin 4:762404f17d9d 165 } else {
RedBearLab 0:dfcebc1e442a 166 buf[0] = (0x0A);
RedBearLab 0:dfcebc1e442a 167 buf[1] = (0x00);
RedBearLab 0:dfcebc1e442a 168 buf[2] = (0x00);
Cornetin 4:762404f17d9d 169 ble.updateCharacteristicValue(rxCharacteristic.getValueAttribute().getHandle(), buf, 3);
RedBearLab 0:dfcebc1e442a 170 }
RedBearLab 0:dfcebc1e442a 171 }
RedBearLab 0:dfcebc1e442a 172 }
RedBearLab 0:dfcebc1e442a 173
RedBearLab 0:dfcebc1e442a 174
RedBearLab 0:dfcebc1e442a 175 int main(void)
Cornetin 4:762404f17d9d 176 {
RedBearLab 0:dfcebc1e442a 177 Ticker ticker;
RedBearLab 0:dfcebc1e442a 178 ticker.attach_us(m_status_check_handle, 200000);
Cornetin 4:762404f17d9d 179
RedBearLab 0:dfcebc1e442a 180 ble.init();
RedBearLab 0:dfcebc1e442a 181 ble.onDisconnection(disconnectionCallback);
Cornetin 4:762404f17d9d 182 ble.onDataWritten(WrittenHandler);
Cornetin 4:762404f17d9d 183
RedBearLab 0:dfcebc1e442a 184 pc.baud(9600);
RedBearLab 0:dfcebc1e442a 185 pc.printf("SimpleChat Init \r\n");
RedBearLab 0:dfcebc1e442a 186
RedBearLab 0:dfcebc1e442a 187 //pc.attach( uartCB , pc.RxIrq);
Cornetin 4:762404f17d9d 188
Cornetin 4:762404f17d9d 189 // setup advertising
RedBearLab 0:dfcebc1e442a 190 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
RedBearLab 0:dfcebc1e442a 191 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
RedBearLab 0:dfcebc1e442a 192 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
Cornetin 4:762404f17d9d 193 (const uint8_t *)"NRFTRUC", sizeof("NRFTRUC") - 1);
RedBearLab 0:dfcebc1e442a 194 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
Cornetin 4:762404f17d9d 195 (const uint8_t *)uart_base_uuid_rev, sizeof(uart_base_uuid));
Cornetin 4:762404f17d9d 196 // 100ms; in multiples of 0.625ms.
RedBearLab 0:dfcebc1e442a 197 ble.setAdvertisingInterval(160);
RedBearLab 0:dfcebc1e442a 198
RedBearLab 0:dfcebc1e442a 199 ble.addService(uartService);
Cornetin 4:762404f17d9d 200
Cornetin 4:762404f17d9d 201 ble.startAdvertising();
Cornetin 4:762404f17d9d 202
RedBearLab 0:dfcebc1e442a 203 pc.printf("Advertising Start \r\n");
RedBearLab 0:dfcebc1e442a 204
Cornetin 4:762404f17d9d 205 BMP085 baro();
Cornetin 4:762404f17d9d 206 while(1) {
Cornetin 4:762404f17d9d 207 ble.waitForEvent();
Cornetin 4:762404f17d9d 208
Cornetin 4:762404f17d9d 209 if (LED_BLINK) {
Cornetin 4:762404f17d9d 210 LED_SET = 1;
Cornetin 4:762404f17d9d 211 wait(0.05);
Cornetin 4:762404f17d9d 212 LED_SET = 0;
Cornetin 4:762404f17d9d 213 wait(0.05);
Cornetin 4:762404f17d9d 214 }
Cornetin 4:762404f17d9d 215 else
Cornetin 4:762404f17d9d 216 LED_SET = 0;
RedBearLab 0:dfcebc1e442a 217 }
RedBearLab 0:dfcebc1e442a 218 }
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