/*******************************************************************************
* Function Name: LowPowerImplementation()
********************************************************************************
* Summary:
* Implements low power in the project.
*
* Parameters:
* None
*
* Return:
* None
*
* Theory:
* The function tries to enter deep sleep as much as possible - whenever the
* BLE is idle and the UART transmission/reception is not happening. At all other
* times, the function tries to enter CPU sleep.
*
*******************************************************************************/
static void LowPowerImplementation(void)
{
CYBLE_LP_MODE_T bleMode;
uint8 interruptStatus;
/* For advertising and connected states, implement deep sleep
* functionality to achieve low power in the system. For more details
* on the low power implementation, refer to the Low Power Application
* Note.
*/
if((CyBle_GetState() == CYBLE_STATE_ADVERTISING) ||
(CyBle_GetState() == CYBLE_STATE_CONNECTED))
{
/* Request BLE subsystem to enter into Deep-Sleep mode between connection and advertising intervals */
bleMode = CyBle_EnterLPM(CYBLE_BLESS_DEEPSLEEP);
/* Disable global interrupts */
interruptStatus = CyEnterCriticalSection();
/* When BLE subsystem has been put into Deep-Sleep mode */
if(bleMode == CYBLE_BLESS_DEEPSLEEP)
{
/* And it is still there or ECO is on */
if((CyBle_GetBleSsState() == CYBLE_BLESS_STATE_ECO_ON) ||
(CyBle_GetBleSsState() == CYBLE_BLESS_STATE_DEEPSLEEP))
{
#if (DEBUG_UART_ENABLED == ENABLED)
/* Put the CPU into the Deep-Sleep mode when all debug information has been sent */
if((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) == 0u)
{
CySysPmDeepSleep();
}
else /* Put the CPU into Sleep mode and let SCB to continue sending debug data */
{
CySysPmSleep();
}
#else
CySysPmDeepSleep();
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
}
}
else /* When BLE subsystem has been put into Sleep mode or is active */
{
/* And hardware doesn't finish Tx/Rx opeation - put the CPU into Sleep mode */
if(CyBle_GetBleSsState() != CYBLE_BLESS_STATE_EVENT_CLOSE)
{
CySysPmSleep();
}
}
/* Enable global interrupt */
CyExitCriticalSection(interruptStatus);
}
}
/*******************************************************************************
* Function Name: AppCallBack()
********************************************************************************
*
* Summary:
* This is an event callback function to receive events from the BLE Component.
*
*******************************************************************************/
void AppCallBack(uint32 event, void* eventParam)
{
CYBLE_API_RESULT_T apiResult;
CYBLE_GAP_BD_ADDR_T localAddr;
CYBLE_GAP_AUTH_INFO_T *authInfo;
uint8 i;
switch (event)
{
/**********************************************************
* General Events
***********************************************************/
case CYBLE_EVT_STACK_ON: /* This event is received when the component is Started */
/* Enter into discoverable mode so that remote can search it. */
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
if(apiResult != CYBLE_ERROR_OK)
{
DBG_PRINTF("StartAdvertisement API Error: %d \r\n", apiResult);
}
DBG_PRINTF("Bluetooth On, StartAdvertisement with addr: ");
localAddr.type = 0u;
CyBle_GetDeviceAddress(&localAddr);
for(i = CYBLE_GAP_BD_ADDR_SIZE; i > 0u; i--)
{
DBG_PRINTF("%2.2x", localAddr.bdAddr[i-1]);
}
DBG_PRINTF("\r\n");
break;
case CYBLE_EVT_TIMEOUT:
break;
case CYBLE_EVT_HARDWARE_ERROR: /* This event indicates that some internal HW error has occurred. */
DBG_PRINTF("CYBLE_EVT_HARDWARE_ERROR \r\n");
break;
/* This event will be triggered by host stack if BLE stack is busy or not busy.
* Parameter corresponding to this event will be the state of BLE stack.
* BLE stack busy = CYBLE_STACK_STATE_BUSY,
* BLE stack not busy = CYBLE_STACK_STATE_FREE
*/
case CYBLE_EVT_STACK_BUSY_STATUS:
DBG_PRINTF("CYBLE_EVT_STACK_BUSY_STATUS: %x\r\n", *(uint8 *)eventParam);
break;
case CYBLE_EVT_HCI_STATUS:
DBG_PRINTF("CYBLE_EVT_HCI_STATUS: %x \r\n", *(uint8 *)eventParam);
break;
/**********************************************************
* GAP Events
***********************************************************/
case CYBLE_EVT_GAP_AUTH_REQ:
DBG_PRINTF("CYBLE_EVT_AUTH_REQ: security=%x, bonding=%x, ekeySize=%x, err=%x \r\n",
(*(CYBLE_GAP_AUTH_INFO_T *)eventParam).security,
(*(CYBLE_GAP_AUTH_INFO_T *)eventParam).bonding,
(*(CYBLE_GAP_AUTH_INFO_T *)eventParam).ekeySize,
(*(CYBLE_GAP_AUTH_INFO_T *)eventParam).authErr);
break;
case CYBLE_EVT_GAP_PASSKEY_ENTRY_REQUEST:
DBG_PRINTF("CYBLE_EVT_PASSKEY_ENTRY_REQUEST press 'p' to enter passkey \r\n");
break;
case CYBLE_EVT_GAP_PASSKEY_DISPLAY_REQUEST:
DBG_PRINTF("CYBLE_EVT_PASSKEY_DISPLAY_REQUEST %6.6ld \r\n", *(uint32 *)eventParam);
break;
case CYBLE_EVT_GAP_KEYINFO_EXCHNGE_CMPLT:
DBG_PRINTF("CYBLE_EVT_GAP_KEYINFO_EXCHNGE_CMPLT \r\n");
break;
case CYBLE_EVT_GAP_AUTH_COMPLETE:
authInfo = (CYBLE_GAP_AUTH_INFO_T *)eventParam;
(void)authInfo;
DBG_PRINTF("AUTH_COMPLETE: security:%x, bonding:%x, ekeySize:%x, authErr %x \r\n",
authInfo->security, authInfo->bonding, authInfo->ekeySize, authInfo->authErr);
break;
case CYBLE_EVT_GAP_AUTH_FAILED:
DBG_PRINTF("CYBLE_EVT_AUTH_FAILED: %x \r\n", *(uint8 *)eventParam);
break;
case CYBLE_EVT_GAPP_ADVERTISEMENT_START_STOP:
DBG_PRINTF("CYBLE_EVT_ADVERTISING, state: %x \r\n", CyBle_GetState());
if(CYBLE_STATE_DISCONNECTED == CyBle_GetState())
{
/* Fast and slow advertising period complete, go to low power
* mode (Hibernate mode) and wait for an external
* user event to wake up the device again */
DBG_PRINTF("Hibernate \r\n");
LED_BLU_Write(LED_OFF);
LED_RED_Write(LED_ON);
LED_GRN_Write(LED_OFF);
SW2_ClearInterrupt();
Wakeup_Interrupt_ClearPending();
Wakeup_Interrupt_Start();
#if (DEBUG_UART_ENABLED == ENABLED)
/* Wait until debug info is sent */
while((UART_DEB_SpiUartGetTxBufferSize() + UART_DEB_GET_TX_FIFO_SR_VALID) != 0);
#endif /* (DEBUG_UART_ENABLED == ENABLED) */
CySysPmHibernate();
}
break;
case CYBLE_EVT_GAP_DEVICE_CONNECTED:
DBG_PRINTF("CYBLE_EVT_GAP_DEVICE_CONNECTED \r\n");
LED_BLU_Write(LED_OFF);
break;
case CYBLE_EVT_GAP_DEVICE_DISCONNECTED:
DBG_PRINTF("CYBLE_EVT_GAP_DEVICE_DISCONNECTED\r\n");
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
if(apiResult != CYBLE_ERROR_OK)
{
DBG_PRINTF("StartAdvertisement API Error: %d \r\n", apiResult);
}
break;
case CYBLE_EVT_GATTS_XCNHG_MTU_REQ:
{
uint16 mtu;
CyBle_GattGetMtuSize(&mtu);
DBG_PRINTF("CYBLE_EVT_GATTS_XCNHG_MTU_REQ, final mtu= %d \r\n", mtu);
}
break;
case CYBLE_EVT_GATTS_WRITE_REQ:
DBG_PRINTF("CYBLE_EVT_GATT_WRITE_REQ: %x = ",((CYBLE_GATTS_WRITE_REQ_PARAM_T *)eventParam)->handleValPair.attrHandle);
ShowValue(&((CYBLE_GATTS_WRITE_REQ_PARAM_T *)eventParam)->handleValPair.value);
(void)CyBle_GattsWriteRsp(((CYBLE_GATTS_WRITE_REQ_PARAM_T *)eventParam)->connHandle);
break;
case CYBLE_EVT_GAP_ENCRYPT_CHANGE:
DBG_PRINTF("CYBLE_EVT_GAP_ENCRYPT_CHANGE: %x \r\n", *(uint8 *)eventParam);
break;
case CYBLE_EVT_GAPC_CONNECTION_UPDATE_COMPLETE:
DBG_PRINTF("CYBLE_EVT_CONNECTION_UPDATE_COMPLETE: %x \r\n", *(uint8 *)eventParam);
break;
/**********************************************************
* GATT Events
***********************************************************/
case CYBLE_EVT_GATT_CONNECT_IND:
DBG_PRINTF("CYBLE_EVT_GATT_CONNECT_IND: %x, %x \r\n", cyBle_connHandle.attId, cyBle_connHandle.bdHandle);
/* Register service specific callback functions */
HidsInit();
BasInit();
ScpsInit();
break;
case CYBLE_EVT_GATT_DISCONNECT_IND:
DBG_PRINTF("CYBLE_EVT_GATT_DISCONNECT_IND \r\n");
break;
case CYBLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ:
/* Triggered on server side when client sends read request and when
* characteristic has CYBLE_GATT_DB_ATTR_CHAR_VAL_RD_EVENT property set.
* This event could be ignored by application unless it need to response
* by error response which needs to be set in gattErrorCode field of
* event parameter. */
DBG_PRINTF("CYBLE_EVT_GATTS_READ_CHAR_VAL_ACCESS_REQ: handle: %x \r\n",
((CYBLE_GATTS_CHAR_VAL_READ_REQ_T *)eventParam)->attrHandle);
break;
/**********************************************************
* Other Events
***********************************************************/
case CYBLE_EVT_PENDING_FLASH_WRITE:
/* Inform application that flash write is pending. Stack internal data
* structures are modified and require to be stored in Flash using
* CyBle_StoreBondingData() */
DBG_PRINTF("CYBLE_EVT_PENDING_FLASH_WRITE\r\n");
break;
default:
DBG_PRINTF("OTHER event: %lx \r\n", event);
break;
}
}
*******************************************************************************/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: 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()
{
CyGlobalIntEnable;
SCB_Start();
UART_DEB_Start();
DBG_PRINTF("BLE HID Keyboard Example Project \r\n");
LED_RED_Write(LED_OFF);
LED_GRN_Write(LED_OFF);
LED_BLU_Write(LED_OFF);
/* Start CYBLE component and register generic event handler */
CyBle_Start(AppCallBack);
Sup_Pdu_t i2c_inbox;
while(1)
{
SCB_I2CMasterClearStatus();
/* CyBle_ProcessEvents() allows BLE stack to process pending events */
CyBle_ProcessEvents();
/*
uint8_t buf;
uint32_t result = SCB_I2CMasterReadBuf(8, &buf, 1, SCB_I2C_MODE_COMPLETE_XFER);
if (0 == (result & SCB_I2C_MSTR_NOT_READY)) {
uint32_t cnt = 100;
while (--cnt && 0 == (SCB_I2CMasterStatus() & SCB_I2C_MSTAT_RD_CMPLT)) {}
if (!cnt) {
uint32_t tmp = SCB_I2CMasterStatus();
DBG_PRINTF("stuck in I2C RX: %d\r\n", tmp);
} else {
if (0 == (SCB_I2CMasterStatus() & SCB_I2C_MSTAT_ERR_MASK) && buf != 0xff) {
i2c_inbox.command = buf;
result = SCB_I2C_MSTR_NOT_READY;
while (result & SCB_I2C_MSTR_NOT_READY) {
result = SCB_I2CMasterReadBuf(8, &buf, 1, SCB_I2C_MODE_COMPLETE_XFER);
}
while (0 == (SCB_I2CMasterStatus() & SCB_I2C_MSTAT_RD_CMPLT)) {}
if (0 == (SCB_I2CMasterStatus() & SCB_I2C_MSTAT_ERR_MASK)) {
i2c_inbox.data = buf;
process_inbox(&i2c_inbox);
}
}
}
}
*/
/* To achieve low power in the device */
LowPowerImplementation();
if((CyBle_GetState() == CYBLE_STATE_CONNECTED) && (suspend != CYBLE_HIDS_CP_SUSPEND))
{
if(mainTimer != 0u)
{
mainTimer = 0u;
}
/* 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;
CyGlobalIntEnable;
UART_DEB_Start(); /* Start communication component */
printf("BLE Secure Connection Example Project \r\n");
Disconnect_LED_Write(LED_OFF);
Advertising_LED_Write(LED_OFF);
/* Start CYBLE component and register generic event handler */
apiResult = CyBle_Start(AppCallBack);
if(apiResult != CYBLE_ERROR_OK)
{
printf("CyBle_Start API Error: %x \r\n", apiResult);
}
/* Services initialization */
HrsInit();
/***************************************************************************
* Main polling loop
***************************************************************************/
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 Deep Sleep 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;
}
/***********************************************************************
* Wait for connection established with Central device
***********************************************************************/
if(CyBle_GetState() == CYBLE_STATE_CONNECTED)
{
/*******************************************************************
* Periodically simulates heart beat and sends the results to the Client
*******************************************************************/
mainTimer++;
if(mainTimer == MAIN_LOOP_SIMULATION_THRESHOLD)
{
mainTimer = 0u;
if(heartRateSimulation == ENABLED)
{
SimulateHeartRate();
CyBle_ProcessEvents();
}
}
else 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);
}
else
{
/* nothing else */
}
}
/*******************************************************************
* Process all pending BLE events in the stack
*******************************************************************/
CyBle_ProcessEvents();
}
}