uint8 NRF24L01_WritePayload(uint8 *data, uint8 length)
{
SPI_SpiUartClearRxBuffer();
outbuf[0] = W_TX_PAYLOAD;
memcpy(&outbuf[1], data, length > (BUFLEN-1) ? (BUFLEN-1) : length);
SPI_SpiUartPutArray(outbuf, length > (BUFLEN-1) ? BUFLEN : length + 1);
SPI_wait_done();
SPI_wait_data();
return SPI_SpiUartReadRxData();
}
uint8 NRF24L01_ReadReg(uint8 reg) {
SPI_SpiUartClearRxBuffer();
outbuf[0] = R_REGISTER | (REGISTER_MASK & reg);
SPI_SpiUartPutArray(outbuf, 2);
SPI_wait_done();
SPI_SpiUartReadRxData();
SPI_wait_data();
return SPI_SpiUartReadRxData();
}
void AppCallBack(uint32 event, void *eventParam)
{
CYBLE_GATTS_WRITE_REQ_PARAM_T *wrReqParam;
switch (event)
{
case CYBLE_EVT_STACK_ON:
/* start advertising */
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
if(apiResult == CYBLE_ERROR_OK)
{
#ifdef LED_INDICATION
ADV_LED_ON();
#endif /* LED_INDICATION */
}
break;
case CYBLE_EVT_GAP_DEVICE_DISCONNECTED:
sendNotifications = 0;
#ifdef ENABLE_SPI_ONLY_WHEN_CONNECTED
/* Stop SPI Slave operation */
SPI_Stop();
#endif
#ifdef LED_INDICATION
/* Indicate disconnect event to user */
DISCON_LED_ON();
CyDelay(3000);
#endif /* LED_INDICATION */
/* start advertising */
apiResult = CyBle_GappStartAdvertisement(CYBLE_ADVERTISING_FAST);
if(apiResult == CYBLE_ERROR_OK)
{
#ifdef LED_INDICATION
ADV_LED_ON();
#endif /* LED_INDICATION */
}
break;
case CYBLE_EVT_GATT_CONNECT_IND:
#ifdef LED_INDICATION
CONNECT_LED_ON();
#endif /* LED_INDICATION */
#ifdef ENABLE_SPI_ONLY_WHEN_CONNECTED
/* Start SPI Slave operation */
SPI_Start();
#endif
break;
/* Client may do Write Value or Write Value without Response. Handle both */
case CYBLE_EVT_GATTS_WRITE_REQ:
case CYBLE_EVT_GATTS_WRITE_CMD_REQ:
wrReqParam = (CYBLE_GATTS_WRITE_REQ_PARAM_T *) eventParam;
/* Handling Notification Enable */
if(wrReqParam->handleValPair.attrHandle == CYBLE_SPI_READ_SPI_READ_DATA_CLIENT_CHARACTERISTIC_CONFIGURATION_DESC_HANDLE)
{
CYBLE_GATT_HANDLE_VALUE_PAIR_T SPINotificationCCDHandle;
uint8 SPICCDValue[2];
/* Extract CCCD Notification enable flag */
sendNotifications = wrReqParam->handleValPair.value.val[0];
/* Write the present SPI notification status to the local variable */
SPICCDValue[0] = sendNotifications;
SPICCDValue[1] = 0x00;
/* Update CCCD handle with notification status data*/
SPINotificationCCDHandle.attrHandle = CYBLE_SPI_READ_SPI_READ_DATA_CLIENT_CHARACTERISTIC_CONFIGURATION_DESC_HANDLE;
SPINotificationCCDHandle.value.val = SPICCDValue;
SPINotificationCCDHandle.value.len = 2;
/* Report data to BLE component for sending data when read by Central device */
CyBle_GattsWriteAttributeValue(&SPINotificationCCDHandle, 0, &cyBle_connHandle, CYBLE_GATT_DB_LOCALLY_INITIATED);
}
/* Handling Write data from Client */
else if(wrReqParam->handleValPair.attrHandle == CYBLE_SPI_WRITE_SPI_WRITE_DATA_CHAR_HANDLE)
{
while(SPI_SpiIsBusBusy())
{
}
SPI_SpiUartClearTxBuffer();
SPI_SpiUartPutArray(wrReqParam->handleValPair.value.val,wrReqParam->handleValPair.value.len);
}
if (event == CYBLE_EVT_GATTS_WRITE_REQ)
{
CyBle_GattsWriteRsp(cyBle_connHandle);
}
break;
default:
break;
}
}
