/*******************************************************************************
* Function Name: ConnectToPeripheralDevice
********************************************************************************
* Summary:
* Connects to Peripheral device with given BD Address.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void ConnectToPeripheralDevice(void)
{
CYBLE_API_RESULT_T apiResult;
/* If flag has been set to connect to a device... */
if(clientConnectToDevice)
{
/* Process pending BLE events */
CyBle_ProcessEvents();
#if 0
if(CYBLE_STATE_SCANNING == CyBle_GetState())
{
CyBle_GapcStopScan();
#ifdef DEBUG_ENABLED
UART_UartPutString("Stop Scan called from clientConnectToDevice ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
CyBle_ProcessEvents();
}
#endif
if(CYBLE_STATE_DISCONNECTED == CyBle_GetState())
{
/* Reset the flag to connect to a device*/
clientConnectToDevice = FALSE;
/* Connect to the device whose address has been saved as part of
* potential node search */
apiResult = CyBle_GapcConnectDevice(&peripAddr);
if(apiResult != CYBLE_ERROR_OK)
{
#ifdef DEBUG_ENABLED
UART_UartPutString("Connect Request failed ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
else
{
#ifdef DEBUG_ENABLED
UART_UartPutString("Connect Request Sent ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
/* Process pending BLE events */
CyBle_ProcessEvents();
}
}
}
/*******************************************************************************
* Function Name: attrHandleInit
********************************************************************************
*
* Summary:
* This function gathhers all the information like attribute handles and MTU size
* from the server.
*
* Parameters:
* None.
*
* Return:
* None.
*
*******************************************************************************/
void attrHandleInit()
{
switch(infoExchangeState)
{
case INFO_EXCHANGE_START:
CyBle_GattcDiscoverPrimaryServiceByUuid(cyBle_connHandle, bleUartServiceUuidInfo);
break;
case BLE_UART_SERVICE_HANDLE_FOUND:
attrHandleRange.startHandle = bleUartServiceHandle;
attrHandleRange.endHandle = bleUartServiceEndHandle;
CyBle_GattcDiscoverAllCharacteristics(cyBle_connHandle, attrHandleRange);
break;
case (SERVICE_AND_CHAR_HANDLES_FOUND):
charDescHandleRange.startHandle = txCharHandle + 1;
charDescHandleRange.endHandle = bleUartServiceEndHandle;
CyBle_GattcDiscoverAllCharacteristicDescriptors(cyBle_connHandle, &charDescHandleRange);
break;
case (ALL_HANDLES_FOUND):
CyBle_GattcExchangeMtuReq(cyBle_connHandle, CYBLE_GATT_MTU);
break;
default:
break;
}
CyBle_ProcessEvents();
}
void Initialization(void)
{
/* Set the divider for ECO, ECO will be used as source when IMO is switched off to save power, to drive the HFCLK */
CySysClkWriteEcoDiv(CY_SYS_CLK_ECO_DIV8);
/* Do the following for achieving lowest possible WCO & ECO startup current:
* 1. Shut down the ECO (to reduce power consumption while WCO is starting)
* 2. Enable WDT counter 0 to wakeup the system after 500ms (500ms = WCO startup time)
* 3. Configure PSoC 4 BLE device in DeepSleep mode for the 500ms WCO startup time
* 4. After WCO is enabled, restart the ECO so that BLESS interface can function
* 5. Enable WDT counter 1 to wakeup the system after 1ms (1ms = ECO startup time)
* 5. Configure PSoC 4 BLE device in DeepSleep mode for the 1ms ECO startup time */
CySysClkEcoStop(); /* Shutdown the ECO and later re-start in low power mode after WCO is turned on */
WDT_Interrupt_StartEx(WDT_Handler); /* Initialize WDT interrupt */
WCO_ECO_LowPowerStart(); /* Enable WCO & ECO in low power mode using WDT counter 0/1 as system wakeup sources respectively */
CyBle_Start(BLE_AppEventHandler);
while (CyBle_GetState() == CYBLE_STATE_INITIALIZING)
{
CyBle_ProcessEvents();
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
*
* Summary:
* Main function.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
int main()
{
/* Setup the system initially */
InitializeSystem();
/* Three simple APIs that showcases dynamic ADV payload update */
for(;;)
{
/* Single API call to service all the BLE stack events. Must be
* called at least once in a BLE connection interval */
CyBle_ProcessEvents();
/* Configure the system in lowest possible power modes during and between BLE ADV events */
EnterLowPowerMode();
/*
LOW_POWER_NOTE - If you like to measure the current consumed by this project, following changes are to be
done to achieve lowest possible current number:
1. Set the "Debug Select" option under Dynamic Broadcaster.cydwr -> System -> Programming/Debugging to GPIO
2. Comment out Advertising_LED_Write(LED_ON); line of code in StackEventHandler routine
*/
#if ENABLE_DYNAMIC_ADV
DynamicADVPayloadUpdate();
#endif
}
}
/******************************************************************************
Function Name: main
*******************************************************************************
Summary:
Main routine of this firmware. Initializes the components once and hanles the
BLE events and UART data in a loop forever.
Parameters:
None.
Return:
None.
******************************************************************************/
int main()
{
/* This start-up delay is for the Android app to open when the locator
* device is plugged into the phone's USB port so that the first printf
* message will not be missed.
*/
CyDelay(3000);
CyGlobalIntEnable;
UART_DEB_Start(); /* Start communication component */
printf("PSoC: BLE Find Me Locator is Connected\r\n");
Disconnect_LED_Write(LED_OFF);
apiResult = CyBle_Start(AppCallBack);
if(apiResult != CYBLE_ERROR_OK)
{
printf("PSoC: CyBle_Start API Error: 0x%x \r\n", apiResult);
}
while(1)
{
/*******************************************************************
* Processes all pending BLE events in the stack
*******************************************************************/
CyBle_ProcessEvents();
/* Process the received UART data */
ProcessUartData();
}
}
/*******************************************************************************
* Function Name: InitializeSystem
********************************************************************************
*
* Summary:
* Systm initialization function.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void InitializeSystem(void)
{
CyGlobalIntEnable; /* Enable Global Interrupts*/
/* Internal low power oscillator is no longer required after Watch Crystal oscillator is started */
CySysClkIloStop();
/* Set the divider for ECO, ECO will be used as source when IMO is switched off to save power */
CySysClkWriteEcoDiv(CY_SYS_CLK_ECO_DIV8);
BLE_Engine_Start(); /* start the BLE interface */
/* Wait for BLE Component to Initialize */
while (CyBle_GetState() == CYBLE_STATE_INITIALIZING)
{
CyBle_ProcessEvents();
}
#if (CONSOLE_LOG_ENABLE)
Console_Start(); /* Console log interface */
Console_UartPutString("System initialization complete\r\n");
#endif /* End of #if (CONSOLE_LOG_ENABLE) */
/* ADD YOUR CODE TO INITIALIZE OTHER COMPONENTS IN YOUR DESIGN */
}
void HandleI2CWrite(void)
{
CYBLE_GATTC_WRITE_CMD_REQ_T I2CDataWriteCmd;
/* Check if the peripheral is connected before trying to write*/
if(CyBle_GetState() == CYBLE_STATE_CONNECTED)
{
/* update the attribute handle to be written */
I2CDataWriteCmd.attrHandle = I2CWriteDataCharHandle;
I2CDataWriteCmd.value.len = byteCnt;
I2CDataWriteCmd.value.val = wrBuf;
do
{
apiResult = CyBle_GattcWriteWithoutResponse(cyBle_connHandle, &I2CDataWriteCmd);
CyBle_ProcessEvents();
}
while((CYBLE_ERROR_OK != apiResult) && (CYBLE_STATE_CONNECTED == cyBle_state));
}
}
/*******************************************************************************
* Function Name: InitializeSystem
********************************************************************************
*
* Summary:
* Systm initialization function.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void InitializeSystem(void)
{
CyGlobalIntEnable; /* Enable Global Interrupts*/
/* Internal low power oscillator is no longer required after Watch Crystal oscillator is started */
CySysClkIloStop();
/* Set the divider for ECO, ECO will be used as source when IMO is switched off to save power */
CySysClkWriteEcoDiv(CY_SYS_CLK_ECO_DIV8);
BLE_Engine_Start(); /* Kick start the BLE GATT server and client interface */
/* Wait for BLE Component to Initialize */
while (CyBle_GetState() == CYBLE_STATE_INITIALIZING)
{
CyBle_ProcessEvents();
}
#if BLE_COEXISTENCE_ENABLE
*(uint32*)(CYREG_RADIO_TX_RX_MUX_REGISTER)&= ~RADIO_TX_RX_MUX_MASK; /* Clear Previous mux selection */
*(uint32*)(CYREG_RADIO_TX_RX_MUX_REGISTER) |= BLESS_MUX_INPUT_MASK; /* Set BLESS as the source of the mux */
*(uint32*)(CYREG_BLE_BLESS_RF_CONFIG) |= RADIO_TX_RX_SEL; /* Select Tx enable & Rx enable signals from BLESS as input to mux */
Radio_Control_Interrupt_StartEx(&Radio_Control_ISR);
#endif /* End of #if BLE_COEXISTENCE_ENABLE */
}
/*******************************************************************************
* Function Name: BLE_Run
********************************************************************************
*
* Summary:
* BLE interface processing engine. This API should be continuously called by
* the application in its main loop.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void BLE_Run(void)
{
CyBle_ProcessEvents();
/* ADD YOUR CODE TO PERFORM OTHER BLE OPERATIONS IN MAIN LOOP.
* STORING BONDING INFORMATION TO FLASH IS ONE EXAMPLE */
}
/* Main loop */
int main()
{
CYBLE_API_RESULT_T apiResult;
CyGlobalIntEnable;
Initialization();
for(;;)
{
/* Delayed start of advertisement */
if(initCounter == 6)
{
initCounter = 7;
WDT_DisableWcoEcoCounters();
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_CUSTOM);
if(apiResult != CYBLE_ERROR_OK)
{
CYASSERT(0);
}
}
CyBle_ProcessEvents(); /* BLE stack processing state machine interface */
LowPower();
}
}
int main() {
CYBLE_API_RESULT_T apiResult;
uint32 count = 0;
uint8 triggerNotification = 0;
// Enable global interrupts
CyGlobalIntEnable;
// Initialize the watchdog timer
CySysWdtSetIsrCallback(CY_SYS_WDT_COUNTER0, Watchdog0_cb);
// Initialize the BLE device.
apiResult = CyBle_Start(StackEventHandler);
// Validate BLE stack initialization successed
CYASSERT(apiResult == CYBLE_ERROR_OK);
for (;;) {
// Service all the BLE stack events.
// Must be called at least once in a BLE connection interval
CyBle_ProcessEvents();
if (deviceConnected) {
if (counterCccDescriptor.dirty) {
// Update Counter CCCD
updateCounterCccDescriptor();
} else if (triggerNotification) {
// Send notification if required
if (enableCounterNotification) {
sendCounterNotification(count);
}
triggerNotification = 0;
} else if (triggerUpdateCounter) {
// Update counter value
count++;
updateCounter(count);
triggerNotification = ((count & 0x0000000F) == 0);
triggerUpdateCounter = 0;
}
}
// Scan update queue
if (rgbDescriptor.dirty) {
// Update RGB Descriptor
updateRgbDescriptor();
}
// Enter to deep sleep mode
{
CYBLE_LP_MODE_T state;
state = CyBle_EnterLPM(CYBLE_BLESS_DEEPSLEEP);
if (state == CYBLE_BLESS_DEEPSLEEP) {
CySysPmDeepSleep();
}
}
}
}
/*******************************************************************************
* Function Name: RestartCentralScanning
********************************************************************************
* Summary:
* Restarts Central scanning. Also, if the time that the device has remained
* in Central role exceeds pre-determined value, then the switch role flag is set.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void RestartCentralScanning(void)
{
/* If the current role is Central and the Central time has exceeded the preset time,
* then set the flag to switch role to Peripheral */
if((BLE_CENTRAL == ble_gap_state) &&
(WatchDog_CurrentCount() - centralStartedTime > CENTRAL_STATE_SPAN) &&
((CYBLE_STATE_DISCONNECTED == CyBle_GetState()) || (CYBLE_STATE_SCANNING == CyBle_GetState())))
{
/* Switch role flag set */
switch_Role = TRUE;
#ifdef DEBUG_ENABLED
UART_UartPutString("switchRole from restartScanning loop ");
UART_UartPutCRLF(' ');
#endif
return;
}
/* If restart scanning flag is set, the restart the Central scanning */
if(restartScanning)
{
/* Process pending BLE events */
CyBle_ProcessEvents();
if(CYBLE_STATE_DISCONNECTED == CyBle_GetState())
{
/* Reset the restart scanning flag */
restartScanning = FALSE;
#ifdef DEBUG_ENABLED
UART_UartPutString("restartScanning loop ");
UART_UartPutCRLF(' ');
#endif
/* Start Central scan and process the event */
CyBle_GapcStartScan(CYBLE_SCANNING_FAST);
CyBle_ProcessEvents();
#ifdef DEBUG_ENABLED
UART_UartPutString("Start Scan from restartScanning loop ");
UART_UartPutCRLF(' ');
#endif
}
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
*
* Summary:
* System entry and execution point for application
*
* Parameters:
* None
*
* Return:
* int
*
*******************************************************************************/
int main()
{
/* Start the components */
InitializeSystems();
for(;;)
{
/* CyBle_ProcessEvents() allows BLE stack to process pending events */
CyBle_ProcessEvents();
}
}
int main()
{
/* Place your initialization/startup code here (e.g. MyInst_Start()) */
//printf("Restarted\n");
float resistor_divider_multiplier;
float adc_multiplier;
float fudge_multiplier;
uint16 offset;
uint32 value;
int i;
offset = 402;
resistor_divider_multiplier = ((220000 + 18000) / 18000);
adc_multiplier = 2.048 / 65536;
fudge_multiplier = 1.02534275031159;
initializeSystem();
for(;;) {
elapsed = elapsed + 1;
UART_UartPutChar(72u);//H
UART_UartPutChar(101u);//e
UART_UartPutChar(108u);//l
UART_UartPutChar(108u);//l
UART_UartPutChar(111u);//o
iprintf(", World! %d", elapsed);
UART_UartPutChar(13u);//CR
UART_UartPutChar(10u);//LF
TP1_Write(1u);
/* Place your application code here. */
CyBle_ProcessEvents();
TP1_Write(0u);
if (elapsed == 0) {
//voltageReading = 29.6907207207207 * ((float)rawADCValue/0x7FFF);
//voltageReading = 0.0009 * (float)rawADCValue + 0.4238;
//voltageReading = 0.0005892 * (float)rawADCValue + 0.28026;
value = 0;
for (i = 0; i < 16; i++) {
value += rawADCValues[i];
}
value = value / 16;
voltageReading = fudge_multiplier * resistor_divider_multiplier * adc_multiplier * (float)(value - offset);
SendVoltageMeasurementNotification(voltageReading);
SendRawADCNotification(rawADCValue);
//printf("Voltage: %f\n", voltageReading);
}
}
}
int main()
{
CyGlobalIntEnable;
CyBle_Start(BleEventHandler);
while(connHandle.bdHandle == 0) /* Wait for connection to GATT server */
CyBle_ProcessEvents();
CyBle_GattcStartDiscovery(connHandle); /* Attempt discovery of configured services */
while(ledStateHandle == 0) /* Wait for discovery */
CyBle_ProcessEvents();
writeData = 0x01; /* Turn on LED on Minimal_Peripheral dongle */
writeValue.val = &writeData;
writeValue.len = sizeof(writeData);
writeValue.actualLen = sizeof(writeData);
writeReqParam.value = writeValue;
writeReqParam.attrHandle = ledStateHandle; /* Use discovered handle */
CyBle_GattcWriteWithoutResponse(connHandle, &writeReqParam); /* Write to server */
CyBle_ProcessEvents();
return 0;
}
/*******************************************************************************
* Function Name: main
********************************************************************************
* Summary:
* System entrance point. This calls the initializing function and
* continuously process BLE and CapSense events.
*
* Parameters:
* void
*
* Return:
* int
*
*******************************************************************************/
int main()
{
uint8 lpmSel = DEEPSLEEP;
/* This function will initialize the system resources such as BLE and CapSense */
InitializeSystem();
for(;;)
{
/*Process event callback to handle BLE events. The events generated and
* used for this application are inside the 'CustomEventHandler' routine*/
CyBle_ProcessEvents();
/* Updated LED for status during BLE active states */
HandleStatusLED();
if(TRUE == deviceConnected)
{
/* After the connection, send new connection parameter to the Client device
* to run the BLE communication on desired interval. This affects the data rate
* and power consumption. High connection interval will have lower data rate but
* lower power consumption. Low connection interval will have higher data rate at
* expense of higher power. This function is called only once per connection. */
UpdateConnectionParam();
/* When the Client Characteristic Configuration descriptor (CCCD) is written
* by Central device for enabling/disabling notifications, then the same
* descriptor value has to be explicitly updated in application so that
* it reflects the correct value when the descriptor is read */
UpdateNotificationCCCD();
lpmSel = LPMselData;
}
#ifdef ENABLE_LOW_POWER_MODE
/* Put system to Deep sleep, including BLESS, and wakeup on interrupt.
* The source of the interrupt can be either BLESS Link Layer in case of
* BLE advertisement and connection or by User Button press during BLE
* disconnection */
HandleLowPowerMode(lpmSel);
#endif
if(restartAdvertisement)
{
/* Reset 'restartAdvertisement' flag*/
restartAdvertisement = FALSE;
/* Start Advertisement and enter Discoverable mode*/
CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
}
} /* End of for(;;) */
}
int main()
{
CyGlobalIntEnable; /* Enable global interrupts. */
/* Place your initialization/startup code here (e.g. MyInst_Start()) */
Advertising_Led_Write(LED_OFF);
Error_Led_Write(LED_OFF);
apiResult = CyBle_Start(bleCallBack);
if (apiResult != CYBLE_ERROR_OK) {
printf("CyBle_Start API error: %x \r\n", apiResult);
Error_Led_Write(LED_ON);
}
for(;;)
{
/* Place your application code here. */
CyBle_ProcessEvents();
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
*
* Summary:
* Main function.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
int main()
{
CYBLE_API_RESULT_T apiResult;
CYBLE_STATE_T bleState;
CyGlobalIntEnable;
PWM_Start();
UART_Start();
UART_UartPutString("Welcome to BLE OOB Pairing Demo\r\n");
apiResult = CyBle_Start(StackEventHandler);
if(apiResult != CYBLE_ERROR_OK)
{
/* BLE stack initialization failed, check your configuration */
CYASSERT(0);
}
CyBle_IasRegisterAttrCallback(IasEventHandler);
for(;;)
{
/* Single API call to service all the BLE stack events. Must be
* called at least once in a BLE connection interval */
CyBle_ProcessEvents();
bleState = CyBle_GetState();
if(bleState != CYBLE_STATE_STOPPED &&
bleState != CYBLE_STATE_INITIALIZING)
{
/* Configure BLESS in DeepSleep mode */
CyBle_EnterLPM(CYBLE_BLESS_DEEPSLEEP);
/* Configure PSoC 4 BLE system in sleep mode */
CySysPmSleep();
/* BLE link layer timing interrupt will wake up the system */
}
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
* Summary:
* System entrance point. This calls the initializing function and continuously
* process BLE and CapSense events.
*
* Parameters:
* void
*
* Return:
* int
*
*******************************************************************************/
int main()
{
/* This function will initialize the system resources such as BLE and CapSense */
InitializeSystem();
for(;;)
{
/*Process event callback to handle BLE events. The events generated and
* used for this application are inside the 'CustomEventHandler' routine*/
CyBle_ProcessEvents();
if(TRUE == deviceConnected)
{
/* Send CapSense Slider data when respective notification is enabled */
if(TRUE == sendCapSenseSliderNotifications)
{
/* Check for CapSense slider swipe and send data accordingly */
HandleCapSenseSlider();
}
}
}
}
int main()
{
/* Enabling Global interrupts */
CyGlobalIntEnable;
/* Start BLE component with appropriate Event handler function */
CyBle_Start(ApplicationEventHandler);
/* Turn OFF All the LEDs */
ALL_LED_OFF();
/* Loop For Ever */
for(;;)
{
/* Function to handle the state of the Client */
handle_ble_CAR_Client_State();
/* This function checks the internal task queue in the BLE Stack,
and pending operation of the BLE Stack, if any */
CyBle_ProcessEvents();
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
* Summary:
* System entrance point. This calls the initializing function and
* continuously process BLE events.
*
* Parameters:
* void
*
* Return:
* int
*
*******************************************************************************/
int main()
{
/* This function will initialize the system resources such as BLE and
* NEC pulse timer
*/
InitializeSystem();
for(;;)
{
/* Process event callback to handle BLE events. The events generated and
* used for this application are inside the 'CustomEventHandler' routine
*/
CyBle_ProcessEvents();
/* Update LED for status during BLE active states */
HandleStatusLED();
if(TRUE == deviceConnected)
{
/* After the connection, send new connection parameter to the Client device
* to run the BLE communication on desired interval. This affects the data rate
* and power consumption. High connection interval will have lower data rate but
* lower power consumption. Low connection interval will have higher data rate at
* expense of higher power. This function is called only once per connection.
*/
UpdateConnectionParam();
}
if(restartAdvertisement)
{
/* Reset 'restartAdvertisement' flag*/
restartAdvertisement = FALSE;
/* Start Advertisement and enter Discoverable mode*/
CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
}
} /* End of for(;;) */
}
int main()
{
hkj_timer t;
const uint16 myCharHandle = 0x0E;
uint8 writeData = 0;
CYBLE_GATT_VALUE_T writeValue = \
{ &writeData, sizeof(writeData), sizeof(writeData) };
CYBLE_GATTC_WRITE_REQ_T writeReqParam = \
{ .value = writeValue, .attrHandle = myCharHandle };
CYBLE_STACK_LIB_VERSION_T stackVersion;
CyGlobalIntEnable;
UART_Start();
hkj_debug_init();
CyBle_GetStackLibraryVersion(&stackVersion);
debug_print("Latency Central Stack: %u.%u.%u.%u\r\n", \
stackVersion.majorVersion, stackVersion.minorVersion, \
stackVersion.patch, stackVersion.buildNumber);
CyBle_Start(BleEventHandler);
hkj_timer_ms_init(&t);
while(1)
{
CyBle_ProcessEvents();
if (connHandle.bdHandle != 0)
{
if (hkj_timer_ms_get_delta(&t) > 500)
{
WRITE_CMD_PIN_Write(1);
CyBle_GattcWriteWithoutResponse(connHandle, &writeReqParam);
hkj_timer_ms_reset_delta(&t);
CyDelay(2);
WRITE_CMD_PIN_Write(0);
}
}
hkj_ble_events_log_debug_print();
}
}
/*******************************************************************************
* Function Name: InitializeSystem
********************************************************************************
*
* Summary:
* Systm initialization function.
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
void InitializeSystem(void)
{
CyGlobalIntEnable; /* Enable Global Interrupts*/
/* Set the divider for ECO, ECO will be used as source when IMO is switched off to save power */
CySysClkWriteEcoDiv(CY_SYS_CLK_ECO_DIV8);
#if LOW_POWER_STARTUP_ENABLE
/* If LOW_POWER_STARTUP_ENABLE is set, then do the following for achieving lowest possible WCO & ECO startup current:
* 1. Shut down the ECO (to reduce power consumption while WCO is starting)
* 2. Enable WDT counter 0 to wakeup the system after 500ms (500ms = WCO startup time)
* 3. Configure PSoC 4 BLE device in DeepSleep mode for the 500ms WCO startup time
* 4. After WCO is enabled, restart the ECO so that BLESS interface can function
* 5. Enable WDT counter 1 to wakeup the system after 1ms (1ms = ECO startup time)
* 5. Configure PSoC 4 BLE device in DeepSleep mode for the 1ms ECO startup time */
CySysClkEcoStop(); /* Shutdown the ECO and later re-start in low power mode after WCO is turned on */
WDT_Interrupt_StartEx(WDT_Handler); /* Initialize WDT interrupt */
WCO_ECO_LowPowerStart(); /* Enable WCO & ECO in low power mode using WDT counter 0/1 as system wakeup sources respectively */
#endif /* End of #if LOW_POWER_STARTUP_ENABLE */
#if (CONSOLE_LOG_ENABLE)
Console_Start(); /* Console log interface */
Console_UartPutString("Low power system startup complete\r\n");
#endif /* End of #if (CONSOLE_LOG_ENABLE) */
BLE_Engine_Start(); /* start the BLE interface */
/* Wait for BLE Component to Initialize */
while (CyBle_GetState() == CYBLE_STATE_INITIALIZING)
{
CyBle_ProcessEvents();
}
}
*******************************************************************************/int main()
{
CyGlobalIntEnable;
#if (DEBUG_UART_ENABLED == ENABLED)
UART_DEB_Start();
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
DBG_PRINTF("BLE HID Keyboard Example Project \r\n");
LED_RED_Write(LED_OFF);
LED_BLU_Write(LED_OFF);
LED_GRN_Write(LED_OFF);
/* Start CYBLE component and register generic event handler */
CyBle_Start(AppCallBack);
#if (BAS_MEASURE_ENABLE != 0)
ADC_Start();
#endif /* BAS_MEASURE_ENABLE != 0 */
while(1)
{
/* CyBle_ProcessEvents() allows BLE stack to process pending events */
CyBle_ProcessEvents();
/* To achieve low power in the device */
LowPowerImplementation();
if((CyBle_GetState() == CYBLE_STATE_CONNECTED) && (suspend != CYBLE_HIDS_CP_SUSPEND))
{
if(mainTimer != 0u)
{
mainTimer = 0u;
#if (BAS_SIMULATE_ENABLE != 0)
SimulateBattery();
CyBle_ProcessEvents();
#endif /* BAS_SIMULATE_ENABLE != 0 */
#if (BAS_MEASURE_ENABLE != 0)
MeasureBattery();
CyBle_ProcessEvents();
#endif /* BAS_MEASURE_ENABLE != 0 */
if(keyboardSimulation == ENABLED)
{
SimulateKeyboard();
}
}
/* Store bonding data to flash only when all debug information has been sent */
#if(CYBLE_BONDING_REQUIREMENT == CYBLE_BONDING_YES)
#if (DEBUG_UART_ENABLED == ENABLED)
if((cyBle_pendingFlashWrite != 0u) &&
((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) == 0u))
#else
if(cyBle_pendingFlashWrite != 0u)
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
{
CYBLE_API_RESULT_T apiResult;
apiResult = CyBle_StoreBondingData(0u);
(void)apiResult;
DBG_PRINTF("Store bonding data, status: %x \r\n", apiResult);
}
#endif /* CYBLE_BONDING_REQUIREMENT == CYBLE_BONDING_YES */
}
}
}
int main()
{
CYBLE_LP_MODE_T lpMode;
CYBLE_BLESS_STATE_T blessState;
CYBLE_STACK_LIB_VERSION_T stackVersion;
CyGlobalIntEnable;
UART_DEB_Start(); /* Start communication component */
printf("BLE Heart Rate Collector Example Project \r\n");
Disconnect_LED_Write(LED_OFF);
Scanning_LED_Write(LED_OFF);
Notification_LED_Write(LED_OFF);
apiResult = CyBle_Start(AppCallBack);
if(apiResult != CYBLE_ERROR_OK)
{
printf("CyBle_Start API Error: 0x%x \r\n", apiResult);
}
apiResult = CyBle_GetStackLibraryVersion(&stackVersion);
if(apiResult != CYBLE_ERROR_OK)
{
printf("CyBle_GetStackLibraryVersion API Error: 0x%x \r\n", apiResult);
}
else
{
printf("Stack Version: %d.%d.%d.%d \r\n", stackVersion.majorVersion,
stackVersion.minorVersion, stackVersion.patch, stackVersion.buildNumber);
}
CyBle_BasRegisterAttrCallback(BasCallBack);
HrsInit();
while(1)
{
if(CyBle_GetState() != CYBLE_STATE_INITIALIZING)
{
/* Enter DeepSleep mode between connection intervals */
lpMode = CyBle_EnterLPM(CYBLE_BLESS_DEEPSLEEP);
CyGlobalIntDisable;
blessState = CyBle_GetBleSsState();
if(lpMode == CYBLE_BLESS_DEEPSLEEP)
{
if(blessState == CYBLE_BLESS_STATE_ECO_ON || blessState == CYBLE_BLESS_STATE_DEEPSLEEP)
{
/* Put the device into the DeepSleep mode only when all debug information has been sent */
if((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) == 0u)
{
CySysPmDeepSleep();
}
else
{
CySysPmSleep();
}
}
}
else
{
if(blessState != CYBLE_BLESS_STATE_EVENT_CLOSE)
{
CySysPmSleep();
}
}
CyGlobalIntEnable;
/* Handle advertising led blinking */
HandleLeds();
}
/* Store bonding data to flash only when all debug information has been sent */
if((cyBle_pendingFlashWrite != 0u) &&
((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) == 0u))
{
apiResult = CyBle_StoreBondingData(0u);
printf("Store bonding data, status: %x \r\n", apiResult);
}
/*******************************************************************
* Processes all pending BLE events in the stack
*******************************************************************/
CyBle_ProcessEvents();
}
}
/*******************************************************************************
* Function Name: HandleUartTxTraffic
********************************************************************************
*
* Summary:
* This function takes data from UART RX buffer and pushes it to the server
* as Write Without Response command.
*
* Parameters:
* None.
*
* Return:
* None.
*
*******************************************************************************/
void HandleUartTxTraffic(void)
{
uint8 index;
uint8 uartTxData[MAX_MTU_SIZE - 3];
uint16 uartTxDataLength;
static uint16 uartIdleCount = UART_IDLE_TIMEOUT;
CYBLE_API_RESULT_T bleApiResult;
CYBLE_GATTC_WRITE_CMD_REQ_T uartTxDataWriteCmd;
uartTxDataLength = UART_SpiUartGetRxBufferSize();
#ifdef FLOW_CONTROL
if(uartTxDataLength >= (UART_UART_RX_BUFFER_SIZE - (UART_UART_RX_BUFFER_SIZE/2)))
{
DisableUartRxInt();
}
else
{
EnableUartRxInt();
}
#endif
if((uartTxDataLength != 0))
{
if(uartTxDataLength >= (mtuSize - 3))
{
uartIdleCount = UART_IDLE_TIMEOUT;
uartTxDataLength = mtuSize - 3;
}
else
{
if(--uartIdleCount == 0)
{
/*uartTxDataLength remains unchanged */;
}
else
{
uartTxDataLength = 0;
}
}
if(0 != uartTxDataLength)
{
uartIdleCount = UART_IDLE_TIMEOUT;
for(index = 0; index < uartTxDataLength; index++)
{
uartTxData[index] = (uint8) UART_UartGetByte();
}
uartTxDataWriteCmd.attrHandle = rxCharHandle;
uartTxDataWriteCmd.value.len = uartTxDataLength;
uartTxDataWriteCmd.value.val = uartTxData;
#ifdef FLOW_CONTROL
DisableUartRxInt();
#endif
do
{
bleApiResult = CyBle_GattcWriteWithoutResponse(cyBle_connHandle, &uartTxDataWriteCmd);
CyBle_ProcessEvents();
}
while((CYBLE_ERROR_OK != bleApiResult) && (CYBLE_STATE_CONNECTED == cyBle_state));
}
}
}
/*******************************************************************************
* Function Name: main
********************************************************************************
*
* Summary:
* This is the main entry point for this application. This function initializes all the
* components used in the project. It computes the frequency whenever a capture event is
*
* Parameters:
* None
*
* Return:
* None
*
*******************************************************************************/
int main()
{
#if(UART_DEBUG_ENABLE)
/* Variable to store the loop number */
uint8 loopNo = 0;
#endif
/* Enable global interrupt mask */
CyGlobalIntEnable;
/* Disable ILO as it is not used */
CySysClkIloStop();
/* Initialize components related to BLE communication */
InitializeBLESystem();
/* Initialize components related to frequency counting */
Initialize_Freq_Meas_System();
/* Start UART component if UART debug is enabled */
#if(UART_DEBUG_ENABLE)
/* Start UART component and send welcome string to hyper terminal on PC */
UART_Start();
UART_UartPutString("Welcome to Frequency Measurement Using PSoC 4 BLE\n");
UART_PutCRLF();
#endif
while(1)
{
/* Compute frequency once in every PWM interval(2s) */
if(Calculate_Frequency == TRUE)
{
/* Check if valid capture event is detected */
if((Input_Sig_Ctr_Capture == 1) && (Ref_Clk_Ctr_Capture == 1))
{
/* Compute frequency using the latched count value, computed frequency
will be stored in ASCII format in a global array */
Compute_Frequency();
#if(UART_DEBUG_ENABLE)
/* Print input signal counter value in hexadecimal */
UART_UartPutString("Input Signal Counter Value: ");
UART_SendDebugData(Input_Signal_Count);
UART_UartPutString(" ");
/* Print input signal counter value in ASCII format */
/* Reset the array before storing the ASCII character */
Reset_Array(InputCounter_ASCII, DATA_END);
Convert_HextoDec(Input_Signal_Count, InputCounter_ASCII);
for(loopNo = 0; loopNo < DATA_END; loopNo++)
{
UART_UartPutChar(InputCounter_ASCII[DATA_END - loopNo -1]);
}
UART_PutCRLF();
/* Print reference clock counter value */
UART_UartPutString("Reference Clock Counter Value: ");
UART_SendDebugData(Ref_Clock_Count);
UART_UartPutString(" ");
/* Print input signal counter value in ASCII format */
/* Reset the array before storing the ASCII character */
Reset_Array(RefCounter_ASCII, DATA_END);
Convert_HextoDec(Ref_Clock_Count, RefCounter_ASCII);
for(loopNo = 0; loopNo < DATA_END; loopNo++)
{
UART_UartPutChar(RefCounter_ASCII[DATA_END - loopNo -1]);
}
UART_PutCRLF();
/* Print Input Signal Frequency in decimal format */
UART_UartPutString("Input Frequency: ");
for(loopNo = 0; loopNo < DATA_END; loopNo++)
{
UART_UartPutChar(Input_Frequency[DATA_END - loopNo -1]);
}
UART_PutCRLF();
#endif
/* Reset the capture flag after computing the frequency */
Input_Sig_Ctr_Capture = 0;
Ref_Clk_Ctr_Capture = 0;
}
/* If valid capture event is not registered, set the value of frequency to
zero */
else
{
/* Reset the input_frequency array before storing the frequency value */
Reset_Array(Input_Frequency, DATA_END);
/* If no capture event is detected in the 1s interval, set the frequency to zero */
FormatFrequencyData(ZERO_HZ);
#if(UART_DEBUG_ENABLE)
/* Print Input Signal Frequency in decimal format */
UART_UartPutString("Input Frequency: ");
for(loopNo = 0; loopNo < DATA_END; loopNo++)
{
UART_UartPutChar(Input_Frequency[DATA_END - loopNo -1]);
}
UART_PutCRLF();
#endif
}
/* Reset the 2s interval flag for computing the frequency in the next interval */
Calculate_Frequency = 0;
/* Send frequency value only if BLE device is connected */
if(TRUE == deviceConnected)
{
/* Send frequency value when notifications are enabled */
if((startNotification & CCCD_NTF_BIT_MASK))
{
/* Send the frequency value to BLE central device by notifications */
SendDataOverFreqCounterNotification(Input_Frequency);
}
}
}
/* Function to handle LED status depending on BLE state */
HandleStatusLED();
/* Handle CCCD value update only if BLE device is connected */
if(TRUE == deviceConnected)
{
/* When the Client Characteristic Configuration descriptor (CCCD) is written
* by Central device for enabling/disabling notifications, then the same
* descriptor value has to be explicitly updated in application so that
* it reflects the correct value when the descriptor is read */
UpdateNotificationCCCD();
}
if(restartAdvertisement)
{
/* Reset 'restartAdvertisement' flag*/
restartAdvertisement = FALSE;
/* Start Advertisement and enter Discoverable mode*/
CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
}
/*Process Event callback to handle BLE events. The events generated and
* used for this application are inside the 'CustomEventHandler' routine*/
CyBle_ProcessEvents();
/* Put CPU to sleep */
CySysPmSleep();
}
}
/*******************************************************************************
* Function Name: SwitchRole
********************************************************************************
* Summary:
* This function switches the role between Central and Peripheral. If device
* is connected while switching role, then it is first disconnected.
*
* Parameters:
* void
*
* Return:
* void
*
*******************************************************************************/
void SwitchRole(void)
{
CYBLE_API_RESULT_T apiResult;
/* if the switch role flag is set... */
if(switch_Role == TRUE)
{
/* Process pending BLE events */
CyBle_ProcessEvents();
/* If there is an existing connection, then disconnect before switching
* role. */
if((cyBle_connHandle.bdHandle != 0))
{
/* Disconnect the device and process the event */
CyBle_GapDisconnect(cyBle_connHandle.bdHandle);
CyBle_ProcessEvents();
#ifdef DEBUG_ENABLED
UART_UartPutString("Peripheral closed connection ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
switch(ble_gap_state)
{
case BLE_PERIPHERAL:
/* If the current role is Peripheral and system is advertising,
* then stop advertisement before switching role */
if(CyBle_GetState() == CYBLE_STATE_ADVERTISING)
{
CyBle_GappStopAdvertisement();
CyBle_ProcessEvents();
#ifdef DEBUG_ENABLED
UART_UartPutString("Peripheral Advertisment Stopped ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
if(CyBle_GetState() == CYBLE_STATE_DISCONNECTED)
{
/* Switch BLE role by starting scan. This way, the system is set
* to Central role */
apiResult = CyBle_GapcStartScan(CYBLE_SCANNING_FAST);
if(CYBLE_ERROR_OK == apiResult)
{
#ifdef DEBUG_ENABLED
UART_UartPutString("Start Scan API called ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
/* Record the time at which Central role was started. This will be
* used for timeout and switching to Peripheral operation*/
centralStartedTime = WatchDog_CurrentCount();
/* Update the current BLE role to Central */
ble_gap_state = BLE_CENTRAL;
/* Reset the switch role flag*/
switch_Role = FALSE;
}
else
{
/* If scanning did not start, maintain the current role and retry later */
ble_gap_state = BLE_PERIPHERAL;
#ifdef DEBUG_ENABLED
UART_UartPutString("Start Scan API failed ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
}
/* Process Pending BLE Events */
CyBle_ProcessEvents();
break;
case BLE_CENTRAL:
/* If the current role is Central and system is scanning,
* then stop scanning before switching role */
if(CyBle_GetState() == CYBLE_STATE_SCANNING)
{
CyBle_GapcStopScan();
CyBle_ProcessEvents();
#ifdef DEBUG_ENABLED
UART_UartPutString("Central Scan stopped ");
UART_UartPutCRLF(' ');
#endif
}
if(CyBle_GetState() == CYBLE_STATE_DISCONNECTED)
{
#ifdef ENABLE_ADV_DATA_COUNTER
/* Increment data counter */
new_advData.advData[new_advData.advDataLen - 1] = dataADVCounter;
cyBle_discoveryModeInfo.advData = &new_advData;
#ifdef DEBUG_ENABLED
UART_UartPutString("Updated ADV data = ");
PrintNum(dataADVCounter);
UART_UartPutCRLF(' ');
#endif
#endif
/* Switch BLE role by starting advertisement. This way, the system is
* set to Peripheral role */
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
if(apiResult == CYBLE_ERROR_OK)
{
/* If advertisement started successfully, set the BLE state and
* reset the switch role flag*/
ble_gap_state = BLE_PERIPHERAL;
clientConnectToDevice = FALSE;
switch_Role = FALSE;
#ifdef DEBUG_ENABLED
UART_UartPutString("Peripheral Advertisment called ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
else
{
/* If advertisement did not start, maintain the current role and retry later */
ble_gap_state = BLE_CENTRAL;
#ifdef DEBUG_ENABLED
UART_UartPutString("Start Peripheral Advertisment Failed ");
SendBLEStatetoUART(CyBle_GetState());
UART_UartPutCRLF(' ');
#endif
}
}
/* Process Pending BLE Events */
CyBle_ProcessEvents();
break;
default:
break;
}
}
}
/*******************************************************************************
* Function Name: main()
********************************************************************************
* Summary:
* Main function for the project.
*
* Parameters:
* None
*
* Return:
* None
*
* Theory:
* The function starts BLE and UART components.
* This function process all BLE events and also implements the low power
* functionality.
*
*******************************************************************************/
int main()
{
CyGlobalIntEnable;
#if (DEBUG_UART_ENABLED == ENABLED)
UART_DEB_Start();
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
DBG_PRINTF("BLE Cycling Sensor Example Project \r\n");
Disconnect_LED_Write(LED_OFF);
Advertising_LED_Write(LED_OFF);
CyBle_Start(AppCallback);
/* Start CYBLE component and register generic event handler */
CyBle_Start(AppCallback);
/* Register service specific callback functions */
CscsInit();
CpsInit();
WDT_Start();
/***************************************************************************
* Main polling loop
***************************************************************************/
while(1)
{
/* CyBle_ProcessEvents() allows BLE stack to process pending events */
CyBle_ProcessEvents();
/* To achieve low power in the device */
LowPowerImplementation();
/***********************************************************************
* Wait for connection established with Central device
***********************************************************************/
if(CyBle_GetState() == CYBLE_STATE_CONNECTED)
{
/*******************************************************************
* Periodically simulate Cycling characteristics and send
* results to the Client
*******************************************************************/
if(mainTimer != 0u)
{
mainTimer = 0u;
SimulateCyclingPower();
CyBle_ProcessEvents();
SimulateCyclingSpeed();
}
/* Store bounding data to flash only when all debug information has been sent */
#if (DEBUG_UART_ENABLED == ENABLED)
if((cyBle_pendingFlashWrite != 0u) &&
((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) == 0u))
#else
if(cyBle_pendingFlashWrite != 0u)
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
{
CYBLE_API_RESULT_T apiResult;
apiResult = CyBle_StoreBondingData(0u);
(void)apiResult;
DBG_PRINTF("Store bonding data, status: %x \r\n", apiResult);
}
}
}
}
int main()
{
CYBLE_API_RESULT_T apiResult;
CYBLE_LP_MODE_T lpMode;
CyGlobalIntEnable;
CommInit(); /* Start communication component */
printf("BLE Uart Transmission Collector Example Project \r\n");
Scanning_LED_Write(LED_OFF);
apiResult = CyBle_Start(AppCallBack);
if(apiResult != CYBLE_ERROR_OK)
{
printf("CyBle_Start API Error: %xd \r\n", apiResult);
}
else
{
printf("CyBle_Start API ok \r\n");
}
/* Enable the Interrupt component connected to interrupt */
TC_CC_ISR_StartEx(InterruptHandler);
/* Start the components */
Timer_Start();
while(1)
{
if(CyBle_GetState() != CYBLE_STATE_INITIALIZING)
{
/* Enter DeepSleep mode between connection intervals */
lpMode = CyBle_EnterLPM(CYBLE_BLESS_DEEPSLEEP);
if(lpMode == CYBLE_BLESS_DEEPSLEEP)
{
/* Put the device into the Deep Sleep mode only when all debug information has been sent
if(UART_DEB_SpiUartGetTxBufferSize() == 0u)
{
CySysPmDeepSleep();
}
else
{
CySysPmSleep();
}*/
CySysPmSleep();
/* Handle scanning led blinking */
HandleLEDs(ble_state);
}
HandleLEDs(ble_state);
}
/***********************************************************************
* Wait for connection established with Central device
***********************************************************************/
if(CyBle_GetState() == CYBLE_STATE_CONNECTED)
{
/*******************************************************************
* Periodically measure a battery level and temperature and send
* results to the Client
*******************************************************************/
CommMonitorUart();
CommMonitorBLE();
#if 0
if(mainTimer != 0u)
{
mainTimer = 0u;
if(storeBondingData == ENABLED)
{
cystatus retValue;
retValue = CyBle_StoreBondingData(0u);
printf("Store bonding data, status: %lx \r\n", retValue);
storeBondingData = DISABLED;
}
}
#endif
}
/*******************************************************************
* Processes all pending BLE events in the stack
*******************************************************************/
CyBle_ProcessEvents();
}
}
