Ian Kilburn / Mbed 2 deprecated BLE_KL25_nRF8001_MMA8451Q

Adafruit Bluefruit with KL25Z sending MMA8451Q acceleration data over BLE UART to Nordic oder Adafruit app

Dependencies:   BLE_nRF8001 MMA8451Q mbed

Fork of BLE_KL25_nRF8001 by Ian Kilburn

main.cpp@1:b394935d1db1, 2017-03-09 (annotated)

Committer:
highroads
Date:
Thu Mar 09 22:14:23 2017 +0000
Revision:
1:b394935d1db1
Parent:
0:3e21be32c98b
Child:
2:e6d7390d4429
Use reset pin

Who changed what in which revision?

UserRevisionLine numberNew contents of line
highroads 0:3e21be32c98b 1 /*
highroads 0:3e21be32c98b 2
highroads 0:3e21be32c98b 3 Copyright (c) 2012-2014 RedBearLab
highroads 0:3e21be32c98b 4
highroads 0:3e21be32c98b 5 Permission is hereby granted, free of charge, to any person obtaining a copy of this software
highroads 0:3e21be32c98b 6 and associated documentation files (the "Software"), to deal in the Software without restriction,
highroads 0:3e21be32c98b 7 including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
highroads 0:3e21be32c98b 8 and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
highroads 0:3e21be32c98b 9 subject to the following conditions:
highroads 0:3e21be32c98b 10 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
highroads 0:3e21be32c98b 11
highroads 0:3e21be32c98b 12 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
highroads 0:3e21be32c98b 13 INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
highroads 0:3e21be32c98b 14 PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
highroads 0:3e21be32c98b 15 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
highroads 0:3e21be32c98b 16 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
highroads 0:3e21be32c98b 17
highroads 0:3e21be32c98b 18 */
highroads 0:3e21be32c98b 19
highroads 0:3e21be32c98b 20 /*
highroads 0:3e21be32c98b 21 * The application works with the BLEController iOS/Android App.
highroads 0:3e21be32c98b 22 * Type something from the Terminal to send
highroads 0:3e21be32c98b 23 * to the BLEController App or vice verse.
highroads 0:3e21be32c98b 24 * Characteristics received from App will print on Terminal.
highroads 0:3e21be32c98b 25 */
highroads 0:3e21be32c98b 26
highroads 0:3e21be32c98b 27 // Import libraries
highroads 0:3e21be32c98b 28 #include "Arduino.h"
highroads 0:3e21be32c98b 29 #include "BLEPeripheral.h"
highroads 0:3e21be32c98b 30
highroads 0:3e21be32c98b 31 Serial serial(USBTX, USBRX);
highroads 0:3e21be32c98b 32
highroads 0:3e21be32c98b 33 // The SPI construct, REQN and RDYN IO construct should be modified manually
highroads 0:3e21be32c98b 34 // It depend on the board you are using and the REQN&RDYN configuration on BLE Shield
highroads 0:3e21be32c98b 35 // config for KL25Z
highroads 0:3e21be32c98b 36 SPI spi(PTD2, PTD3, PTD1); // MOSI , MISO , SCLK
highroads 0:3e21be32c98b 37 DigitalInOut BLE_RDY(PTD5); //
highroads 0:3e21be32c98b 38 DigitalInOut BLE_REQ(PTD0); //
highroads 1:b394935d1db1 39 DigitalInOut BLE_RESET(PTA13);
highroads 0:3e21be32c98b 40
highroads 0:3e21be32c98b 41 unsigned char txbuf[16] = {0};
highroads 0:3e21be32c98b 42 unsigned char txlen = 0;
highroads 0:3e21be32c98b 43
highroads 0:3e21be32c98b 44 /*----- BLE Utility -------------------------------------------------------------------------*/
highroads 0:3e21be32c98b 45 // create peripheral instance, see pinouts above
highroads 1:b394935d1db1 46 BLEPeripheral blePeripheral = BLEPeripheral(&BLE_REQ, &BLE_RDY, &BLE_RESET);
highroads 0:3e21be32c98b 47
highroads 0:3e21be32c98b 48 // create service
highroads 0:3e21be32c98b 49 BLEService uartService = BLEService("713d0000503e4c75ba943148f18d941e");
highroads 0:3e21be32c98b 50
highroads 0:3e21be32c98b 51 // create characteristic
highroads 0:3e21be32c98b 52 BLECharacteristic txCharacteristic = BLECharacteristic("713d0002503e4c75ba943148f18d941e", BLENotify, 20);
highroads 0:3e21be32c98b 53 BLECharacteristic rxCharacteristic = BLECharacteristic("713d0003503e4c75ba943148f18d941e", BLEWriteWithoutResponse, 20);
highroads 0:3e21be32c98b 54 /*--------------------------------------------------------------------------------------------*/
highroads 0:3e21be32c98b 55
highroads 0:3e21be32c98b 56 unsigned int interval = 0;
highroads 0:3e21be32c98b 57 unsigned char count_on = 0;
highroads 0:3e21be32c98b 58
highroads 0:3e21be32c98b 59 int main()
highroads 0:3e21be32c98b 60 {
highroads 0:3e21be32c98b 61 serial.baud(115200);
highroads 0:3e21be32c98b 62 serial.printf("Serial begin!\r\n");
highroads 0:3e21be32c98b 63
highroads 0:3e21be32c98b 64 /*----- BLE Utility ---------------------------------------------*/
highroads 0:3e21be32c98b 65 // set advertised local name and service UUID
highroads 0:3e21be32c98b 66 blePeripheral.setLocalName("BLE Shield");
highroads 0:3e21be32c98b 67
highroads 0:3e21be32c98b 68 blePeripheral.setAdvertisedServiceUuid(uartService.uuid());
highroads 0:3e21be32c98b 69
highroads 0:3e21be32c98b 70 // add service and characteristic
highroads 0:3e21be32c98b 71 blePeripheral.addAttribute(uartService);
highroads 0:3e21be32c98b 72 blePeripheral.addAttribute(rxCharacteristic);
highroads 0:3e21be32c98b 73 blePeripheral.addAttribute(txCharacteristic);
highroads 0:3e21be32c98b 74
highroads 0:3e21be32c98b 75 // begin initialization
highroads 0:3e21be32c98b 76 blePeripheral.begin();
highroads 0:3e21be32c98b 77 /*---------------------------------------------------------------*/
highroads 0:3e21be32c98b 78
highroads 0:3e21be32c98b 79 serial.printf("BLE UART Peripheral begin!\r\n");
highroads 0:3e21be32c98b 80
highroads 0:3e21be32c98b 81 while(1)
highroads 0:3e21be32c98b 82 {
highroads 0:3e21be32c98b 83 BLECentral central = blePeripheral.central();
highroads 0:3e21be32c98b 84
highroads 0:3e21be32c98b 85 if (central)
highroads 0:3e21be32c98b 86 {
highroads 0:3e21be32c98b 87 // central connected to peripheral
highroads 0:3e21be32c98b 88 serial.printf("Connected to central\r\n");
highroads 0:3e21be32c98b 89
highroads 0:3e21be32c98b 90 while (central.connected())
highroads 0:3e21be32c98b 91 {
highroads 0:3e21be32c98b 92 // central still connected to peripheral
highroads 0:3e21be32c98b 93 if (rxCharacteristic.written())
highroads 0:3e21be32c98b 94 {
highroads 0:3e21be32c98b 95 unsigned char rxlen = rxCharacteristic.valueLength();
highroads 0:3e21be32c98b 96 const unsigned char *val = rxCharacteristic.value();
highroads 0:3e21be32c98b 97 serial.printf("didCharacteristicWritten, Length: %d\r\n", rxlen);
highroads 0:3e21be32c98b 98 unsigned char i = 0;
highroads 0:3e21be32c98b 99 while(i<rxlen)
highroads 0:3e21be32c98b 100 {
highroads 0:3e21be32c98b 101 serial.printf("%d, ",val[i++]);
highroads 0:3e21be32c98b 102 }
highroads 0:3e21be32c98b 103 serial.printf("\r\n");
highroads 0:3e21be32c98b 104 }
highroads 0:3e21be32c98b 105
highroads 0:3e21be32c98b 106 if(serial.readable()) // Do not spend much time on doing other things when serial available! Otherwisee, data will lose.
highroads 0:3e21be32c98b 107 {
highroads 0:3e21be32c98b 108 if(!count_on)
highroads 0:3e21be32c98b 109 {
highroads 0:3e21be32c98b 110 count_on = 1;
highroads 0:3e21be32c98b 111 }
highroads 0:3e21be32c98b 112 interval = 0;
highroads 0:3e21be32c98b 113 txbuf[txlen] = serial.getc();
highroads 0:3e21be32c98b 114 txlen++;
highroads 0:3e21be32c98b 115 }
highroads 0:3e21be32c98b 116
highroads 0:3e21be32c98b 117 if(count_on) // Count the interval after receiving a new char from terminate
highroads 0:3e21be32c98b 118 {
highroads 0:3e21be32c98b 119 interval++;
highroads 0:3e21be32c98b 120 }
highroads 0:3e21be32c98b 121
highroads 0:3e21be32c98b 122 if(interval == 10) // If there is no char available last the interval, send the received chars to central.
highroads 0:3e21be32c98b 123 {
highroads 0:3e21be32c98b 124 interval = 0;
highroads 0:3e21be32c98b 125 count_on = 0;
highroads 0:3e21be32c98b 126
highroads 0:3e21be32c98b 127 serial.printf("Received from terminal: %d bytes\r\n", txlen);
highroads 0:3e21be32c98b 128 txCharacteristic.setValue((const unsigned char *)txbuf, txlen);
highroads 0:3e21be32c98b 129 txlen = 0;
highroads 0:3e21be32c98b 130 }
highroads 0:3e21be32c98b 131 }
highroads 0:3e21be32c98b 132
highroads 0:3e21be32c98b 133 // central disconnected
highroads 0:3e21be32c98b 134 serial.printf("Disconnected from central\r\n");
highroads 0:3e21be32c98b 135 }
highroads 0:3e21be32c98b 136 }
highroads 0:3e21be32c98b 137 }