Adafruit Bluefruit with KL25Z
Dependencies: BLE_nRF8001 mbed
Simple implementation of UART on FRDM KL25Z board with nRF8001 Adafruit breakout. Uses RedBearLabs Library and could be made to work with their BLE Shield.
UART Characteristics can be changed to work with either RedBearLabs BLE Controller app or using the Nordic settings the nRF apps or the Adafruit Bluefruit LE apps.
main.cpp
- Committer:
- highroads
- Date:
- 2017-03-09
- Revision:
- 3:b5dc2454dfc3
- Parent:
- 2:e6d7390d4429
- Child:
- 4:fb6008860882
File content as of revision 3:b5dc2454dfc3:
/* Copyright (c) 2012-2014 RedBearLab Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * The application works with the BLEController iOS/Android App. * Type something from the Terminal to send * to the BLEController App or vice verse. * Characteristics received from App will print on Terminal. */ // Import libraries #include "Arduino.h" #include "BLEPeripheral.h" Serial serial(USBTX, USBRX); // The SPI construct, REQN and RDYN IO construct should be modified manually // It depend on the board you are using and the REQN&RDYN configuration on BLE Shield // config for KL25Z // VIN to 5V on KL25 // GND to GND on KL25 SPI spi(PTD2, PTD3, PTD1); // MOSI , MISO , SCLK DigitalInOut BLE_RDY(PTD5); // DigitalInOut BLE_REQ(PTD0); // DigitalInOut BLE_RESET(PTA13); unsigned char txbuf[16] = {0}; unsigned char txlen = 0; /*----- BLE Utility -------------------------------------------------------------------------*/ // create peripheral instance, see pinouts above BLEPeripheral blePeripheral = BLEPeripheral(&BLE_REQ, &BLE_RDY, &BLE_RESET); // create service // uart characteristics from NORDIC works with NORDIC Apps BLEService uartService = BLEService("713d0000503e4c75ba943148f18d941e"); // redbear uuid for uart 713d0000503e4c75ba943148f18d941e for redbearlabs app // nordic uuid for uart 6e400001b5a3f393e0a9e50e24dcca9e for nordic app // create characteristic BLECharacteristic txCharacteristic = BLECharacteristic("713d0000503e4c75ba943148f18d941e", BLENotify, 20); BLECharacteristic rxCharacteristic = BLECharacteristic("713d0000503e4c75ba943148f18d941e", BLEWriteWithoutResponse, 20); /*--------------------------------------------------------------------------------------------*/ unsigned int interval = 0; unsigned char count_on = 0; int main() { serial.baud(115200); serial.printf("Serial begin!\r\n"); /*----- BLE Utility ---------------------------------------------*/ // set advertised local name and service UUID blePeripheral.setLocalName("BLE Shield"); blePeripheral.setAdvertisedServiceUuid(uartService.uuid()); // add service and characteristic blePeripheral.addAttribute(uartService); blePeripheral.addAttribute(rxCharacteristic); blePeripheral.addAttribute(txCharacteristic); // begin initialization blePeripheral.begin(); /*---------------------------------------------------------------*/ serial.printf("BLE UART Peripheral begin!\r\n"); while(1) { BLECentral central = blePeripheral.central(); if (central) { // central connected to peripheral serial.printf("Connected to central\r\n"); while (central.connected()) { // central still connected to peripheral if (rxCharacteristic.written()) { unsigned char rxlen = rxCharacteristic.valueLength(); const unsigned char *val = rxCharacteristic.value(); serial.printf("didCharacteristicWritten, Length: %d\r\n", rxlen); unsigned char i = 0; while(i<rxlen) { serial.printf("%d, ",val[i++]); } serial.printf("\r\n"); } if(serial.readable()) // Do not spend much time on doing other things when serial available! Otherwisee, data will lose. { if(!count_on) { count_on = 1; } interval = 0; txbuf[txlen] = serial.getc(); txlen++; } if(count_on) // Count the interval after receiving a new char from terminate { interval++; } if(interval == 10) // If there is no char available last the interval, send the received chars to central. { interval = 0; count_on = 0; serial.printf("Received from terminal: %d bytes\r\n", txlen); txCharacteristic.setValue((const unsigned char *)txbuf, txlen); txlen = 0; } } // central disconnected serial.printf("Disconnected from central\r\n"); } } }