sonu singh / Mbed OS mbedkeypad

this is ble keypad for nrf52832,ble nano.with ble uart code

Dependencies:  

Fork of mbed-os-example-ble-BatteryLevel by mbed-os-examples

source/main.cpp@63:a767379af092, 2018-06-25 (annotated)

Committer:
linuxsonu
Date:
Mon Jun 25 03:16:04 2018 +0000
Revision:
63:a767379af092
Parent:
46:6b66d08f304e 
keypad

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 13:eaa1343657a8 1 #include <events/mbed_events.h>
mbed_official 4:52bffaff7f0b 2 #include <mbed.h>
mbed_official 4:52bffaff7f0b 3 #include "ble/BLE.h"
linuxsonu 63:a767379af092 4 #include "keypad.h"
mbed_official 4:52bffaff7f0b 5 #include "ble/Gap.h"
linuxsonu 63:a767379af092 6 #include "ble/services/UARTService.h"
mbed_official 4:52bffaff7f0b 7
linuxsonu 63:a767379af092 8 #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
linuxsonu 63:a767379af092 9 * it will have an impact on code-size and power consumption. */
linuxsonu 63:a767379af092 10 #if NEED_CONSOLE_OUTPUT
linuxsonu 63:a767379af092 11 #define DEBUG(STR) { if (uartServicePtr) uartServicePtr->write(STR, strlen(STR)); }
linuxsonu 63:a767379af092 12 #else
linuxsonu 63:a767379af092 13 #define DEBUG(...) /* nothing */
linuxsonu 63:a767379af092 14 #endif /* #if NEED_CONSOLE_OUTPUT */
linuxsonu 63:a767379af092 15
linuxsonu 63:a767379af092 16 Timer timerset;
linuxsonu 63:a767379af092 17 const static char DEVICE_NAME[] = "KeyPad";
linuxsonu 63:a767379af092 18 static UARTService* uartServicePtr;
linuxsonu 63:a767379af092 19 Thread keyThread;
linuxsonu 63:a767379af092 20 int mainData=0;
linuxsonu 63:a767379af092 21 Serial pc(USBTX, USBRX);
linuxsonu 63:a767379af092 22 char pre;
linuxsonu 63:a767379af092 23 static EventQueue eventQueue(/* event count */ 16 * EVENTS_EVENT_SIZE);
mbed_official 4:52bffaff7f0b 24
linuxsonu 63:a767379af092 25 void keyThreadFun(){
linuxsonu 63:a767379af092 26 Keypad keypad(p19,p18,p17,p16,p25,p24,p23,p20);
linuxsonu 63:a767379af092 27 keypad.enablePullUp();
linuxsonu 63:a767379af092 28 char key;
linuxsonu 63:a767379af092 29 bool done=false;
linuxsonu 63:a767379af092 30 int data=0;
linuxsonu 63:a767379af092 31 pc.printf("Please touch a key on the keypad\n\r");
linuxsonu 63:a767379af092 32 while (1)
linuxsonu 63:a767379af092 33 {
linuxsonu 63:a767379af092 34 key = keypad.getKey();
linuxsonu 63:a767379af092 35 if(key != KEY_RELEASED)
linuxsonu 63:a767379af092 36 {
linuxsonu 63:a767379af092 37 if(key!='*' && key!='#' && key!='(' && key!=')' && key!=']' && key!='@'){
linuxsonu 63:a767379af092 38 if(!done){
linuxsonu 63:a767379af092 39 timerset.start();
linuxsonu 63:a767379af092 40 data=data*10 + (key-'0');
linuxsonu 63:a767379af092 41 }
linuxsonu 63:a767379af092 42 }
linuxsonu 63:a767379af092 43 if(key==']'){
linuxsonu 63:a767379af092 44 timerset.stop();
linuxsonu 63:a767379af092 45 done=true;
linuxsonu 63:a767379af092 46 }
linuxsonu 63:a767379af092 47 pc.printf("%c\r\n",key);
linuxsonu 63:a767379af092 48 wait(0.6);
linuxsonu 63:a767379af092 49 }
linuxsonu 63:a767379af092 50 if(timerset.read()>=60){
linuxsonu 63:a767379af092 51 mainData=data;
linuxsonu 63:a767379af092 52 data=0;
linuxsonu 63:a767379af092 53 }
linuxsonu 63:a767379af092 54 }
linuxsonu 63:a767379af092 55
linuxsonu 63:a767379af092 56 }
mbed_official 4:52bffaff7f0b 57
linuxsonu 63:a767379af092 58 void updateVal(char v){
linuxsonu 63:a767379af092 59 char data[4];
linuxsonu 63:a767379af092 60 sprintf(data, "%c",v);
linuxsonu 63:a767379af092 61 uartServicePtr->writeString(data);
linuxsonu 63:a767379af092 62 uartServicePtr->writeString("\n");
linuxsonu 63:a767379af092 63 }
mbed_official 4:52bffaff7f0b 64
mbed_official 4:52bffaff7f0b 65 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
mbed_official 4:52bffaff7f0b 66 {
mbed_official 4:52bffaff7f0b 67 BLE::Instance().gap().startAdvertising();
mbed_official 4:52bffaff7f0b 68 }
mbed_official 4:52bffaff7f0b 69
mbed_official 4:52bffaff7f0b 70
linuxsonu 63:a767379af092 71 /*void dataReadCallback( const GattReadCallbackParams *params )
mbed_official 4:52bffaff7f0b 72 {
linuxsonu 63:a767379af092 73 DEBUG("Receive\r\n");
linuxsonu 63:a767379af092 74 }*/
linuxsonu 63:a767379af092 75 void onDataWrittenCallback(const GattWriteCallbackParams *params) {
linuxsonu 63:a767379af092 76 if ((uartServicePtr != NULL)) {
linuxsonu 63:a767379af092 77 pre = *(params->data);
linuxsonu 63:a767379af092 78
mbed_official 4:52bffaff7f0b 79 }
mbed_official 4:52bffaff7f0b 80 }
mbed_official 4:52bffaff7f0b 81
mbed_official 4:52bffaff7f0b 82 void onBleInitError(BLE &ble, ble_error_t error)
mbed_official 4:52bffaff7f0b 83 {
linuxsonu 63:a767379af092 84 (void)ble;
linuxsonu 63:a767379af092 85 (void)error;
mbed_official 4:52bffaff7f0b 86 }
mbed_official 4:52bffaff7f0b 87
linuxsonu 63:a767379af092 88 void periodicCallback(void)
linuxsonu 63:a767379af092 89 {
linuxsonu 63:a767379af092 90 updateVal('time');
linuxsonu 63:a767379af092 91 updateVal(pre);
linuxsonu 63:a767379af092 92 updateVal(mainData);
mbed_official 46:6b66d08f304e 93 }
mbed_official 46:6b66d08f304e 94
linuxsonu 63:a767379af092 95
linuxsonu 63:a767379af092 96
mbed_official 4:52bffaff7f0b 97 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
mbed_official 4:52bffaff7f0b 98 {
mbed_official 4:52bffaff7f0b 99 BLE& ble = params->ble;
mbed_official 4:52bffaff7f0b 100 ble_error_t error = params->error;
mbed_official 4:52bffaff7f0b 101
mbed_official 4:52bffaff7f0b 102 if (error != BLE_ERROR_NONE) {
mbed_official 4:52bffaff7f0b 103 onBleInitError(ble, error);
mbed_official 4:52bffaff7f0b 104 return;
mbed_official 4:52bffaff7f0b 105 }
mbed_official 4:52bffaff7f0b 106
linuxsonu 63:a767379af092 107 if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
mbed_official 4:52bffaff7f0b 108 return;
mbed_official 4:52bffaff7f0b 109 }
mbed_official 4:52bffaff7f0b 110
mbed_official 4:52bffaff7f0b 111 ble.gap().onDisconnection(disconnectionCallback);
linuxsonu 63:a767379af092 112 ble.gattServer().onDataWritten(onDataWrittenCallback);
mbed_official 4:52bffaff7f0b 113
linuxsonu 63:a767379af092 114
linuxsonu 63:a767379af092 115 /* Setup primary service. */
linuxsonu 63:a767379af092 116 uartServicePtr = new UARTService(ble);
linuxsonu 63:a767379af092 117
mbed_official 4:52bffaff7f0b 118
linuxsonu 63:a767379af092 119 /* Setup advertising. */
mbed_official 4:52bffaff7f0b 120 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
mbed_official 4:52bffaff7f0b 121 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
linuxsonu 63:a767379af092 122 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
linuxsonu 63:a767379af092 123
linuxsonu 63:a767379af092 124 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
linuxsonu 63:a767379af092 125
linuxsonu 63:a767379af092 126 ble.gap().setAdvertisingInterval(100); /* 100ms */
mbed_official 4:52bffaff7f0b 127 ble.gap().startAdvertising();
mbed_official 4:52bffaff7f0b 128 }
mbed_official 4:52bffaff7f0b 129
mbed_official 4:52bffaff7f0b 130 void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
mbed_official 4:52bffaff7f0b 131 BLE &ble = BLE::Instance();
mbed_official 13:eaa1343657a8 132 eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
mbed_official 4:52bffaff7f0b 133 }
mbed_official 4:52bffaff7f0b 134
mbed_official 4:52bffaff7f0b 135 int main()
mbed_official 4:52bffaff7f0b 136 {
linuxsonu 63:a767379af092 137 Ticker ticker;
linuxsonu 63:a767379af092 138 ticker.attach(periodicCallback,900);
mbed_official 4:52bffaff7f0b 139 BLE &ble = BLE::Instance();
mbed_official 4:52bffaff7f0b 140 ble.onEventsToProcess(scheduleBleEventsProcessing);
mbed_official 4:52bffaff7f0b 141 ble.init(bleInitComplete);
linuxsonu 63:a767379af092 142 keyThread.start(keyThreadFun);
mbed_official 13:eaa1343657a8 143 eventQueue.dispatch_forever();
mbed_official 4:52bffaff7f0b 144 return 0;
mbed_official 4:52bffaff7f0b 145 }
linuxsonu 63:a767379af092 146
linuxsonu 63:a767379af092 147
linuxsonu 63:a767379af092 148