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Dependencies: BLE_API nRF51822
Fork of BLE_NODE_TEST by
main.cpp
- Committer:
- yihui
- Date:
- 2014-10-29
- Revision:
- 9:05f0b5a3a70a
- Parent:
- 6:e0fc9072e853
- Child:
- 10:808a025c9b4f
- Child:
- 11:22480ac31879
File content as of revision 9:05f0b5a3a70a:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "BLEDevice.h" #include "DFUService.h" #include "UARTService.h" #include "nrf_delay.h" #include "battery.h" #define DEBUG 0 #define LOG(...) #define BUTTON_DOWN 0 #define LED_ON 0 #define LED_OFF 1 DigitalOut blue(p18); DigitalOut green(p17); InterruptIn button(p30); Battery battery(p5); BLEDevice ble; UARTService *uartServicePtr; Ticker ticker; BusOut outputGrove(p3, p4); BusIn inputGrove(p1, p2); BusIn charge(p6, p7); volatile bool button_event = false; static const uint8_t SIZEOF_TX_RX_BUFFER = 32; uint8_t rxPayload[SIZEOF_TX_RX_BUFFER] = {0,}; extern "C" void power_on(); extern "C" void power_off(); int button_detect(); void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { LOG("Disconnected!\n"); LOG("Restarting the advertising process\n"); ble.startAdvertising(); } void onDataWritten(const GattCharacteristicWriteCBParams *params) { if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { uint16_t bytesRead = params->len; LOG("received %u bytes\n\r", bytesRead); if (bytesRead < sizeof(rxPayload)) { memcpy(rxPayload, params->data, bytesRead); rxPayload[bytesRead] = '\0'; } LOG("%s\n", (char *)rxPayload); } } void tick(void) { green = !green; static uint8_t output = 0x01; uint8_t input; outputGrove = output; button_event = true; uartServicePtr->printf("battery:%3.2fV\n", battery.read()); input = inputGrove; uartServicePtr->printf("o->i:%d->%d\n", output, input); output = 3 - output; uint8_t chargeStatus = charge; uartServicePtr->printf("charge:%d\n", chargeStatus); } void button_down(void) { button_event = true; } int main(void) { power_on(); blue = LED_ON; green = LED_ON; #if BUTTON_DOWN button.mode(PullDown); button.rise(button_down); #else button.mode(PullUp); button.fall(button_down); #endif LOG("Initialising the nRF51822\n"); ble.init(); ble.onDisconnection(disconnectionCallback); ble.onDataWritten(onDataWritten); /* setup advertising */ ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"NODE TEST", sizeof("NODE TEST")); ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); //DFUService dfu(ble); UARTService uartService(ble); uartService.retargetStdout(); uartServicePtr = &uartService; ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ ble.startAdvertising(); blue = LED_OFF; ticker.attach(tick, 3); while (true) { if (button_event) { int click; blue = LED_ON; click = button_detect(); blue = LED_OFF; LOG("click type: %d\n\r", click); button_event = false; if (1 == click) { blue = !blue; } else if (2 == click) { //green = LED_ON; } else if (-1 == click) { ticker.detach(); green = LED_OFF; blue = LED_OFF; while (BUTTON_DOWN == button.read()) { } nrf_delay_us(3000); power_off(); } else { continue; } } else { ble.waitForEvent(); } } } int button_detect(void) { int t = 0; while (1) { if (button.read() != BUTTON_DOWN) { if (t < 30) { return 0; // for anti shake } else { break; } } if (t > 30000) { // More than 3 seconds return -1; // long click } t++; nrf_delay_us(100); } if (t > 4000) { // More than 0.4 seconds return 1; // single click } while (true) { if (button.read() == BUTTON_DOWN) { nrf_delay_us(1000); if (button.read() == BUTTON_DOWN) { return 2; // double click } t += 10; } if (t > 4000) { return 1; // The interval of double click should less than 0.4 seconds, so it's single click } t++; nrf_delay_us(100); } }