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nRF8001.cpp
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// Copyright (c) Sandeep Mistry. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
#if !defined(NRF51) && !defined(NRF52) &&!defined(__RFduino__)
// #define NRF_8001_DEBUG
// #define NRF_8001_ENABLE_DC_DC_CONVERTER
#include <SPI.h>
#include "BLECharacteristic.h"
#include "BLEDescriptor.h"
#include "BLERemoteService.h"
#include "BLERemoteCharacteristic.h"
#include "BLEService.h"
#include "BLEUtil.h"
#include "BLEUuid.h"
#include "nRF8001.h"
struct setupMsgData {
unsigned char length;
unsigned char cmd;
unsigned char type;
unsigned char offset;
unsigned char data[28];
};
#define NB_BASE_SETUP_MESSAGES 7
#define MAX_ATTRIBUTE_VALUE_PER_SETUP_MSG 28
#define DYNAMIC_DATA_MAX_CHUNK_SIZE 26
#define DYNAMIC_DATA_SIZE (DYNAMIC_DATA_MAX_CHUNK_SIZE * 6)
#if defined (__AVR__)
/* Store the setup for the nRF8001 in the flash of the AVR to save on RAM */
#if ARDUINO < 150
static /*const*/ hal_aci_data_t baseSetupMsgs[NB_BASE_SETUP_MESSAGES] PROGMEM =
#else
static const hal_aci_data_t baseSetupMsgs[NB_BASE_SETUP_MESSAGES] PROGMEM =
#endif
#else
/* Having PROGMEM here caused the setup messages to be zeroed out */
static const hal_aci_data_t baseSetupMsgs[NB_BASE_SETUP_MESSAGES] /*PROGMEM*/ =
#endif
{\
{0x00,\
{\
0x07,0x06,0x00,0x00,0x03,0x02,0x41,0xfe,\
},\
},\
{0x00,\
{\
0x1f,0x06,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x00,0x06,0x00,0x06,\
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
},\
},\
{0x00,\
{\
0x1f,0x06,0x10,0x1c,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x03,0x90,0x00,0xff,\
},\
},\
{0x00,\
{\
0x1f,0x06,0x10,0x38,0xff,0xff,0x02,0x58,0x0a,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
0x10,0x00,0x00,0x00,0x00,0x00,0x01,0x02,0x01,0x02,0x01,0x02,\
},\
},\
{0x00,\
{\
0x05,0x06,0x10,0x54,0x00,0x02,\
},\
},\
{0x00,\
{\
0x19,0x06,0x70,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
0x00,0x00,0x00,0x00,0x00,0x00,\
},\
},\
{0x00,\
{\
0x19,0x06,0x70,0x16,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,\
0x00,0x00,0x00,0x00,0x00,0x00,\
},\
},\
};
/** crc function to re-calulate the CRC after making changes to the setup data.
*/
uint16_t crc_16_ccitt(uint16_t crc, uint8_t * data_in, uint16_t data_len) {
uint16_t i;
for(i = 0; i < data_len; i++)
{
crc = (unsigned char)(crc >> 8) | (crc << 8);
crc ^= data_in[i];
crc ^= (unsigned char)(crc & 0xff) >> 4;
crc ^= (crc << 8) << 4;
crc ^= ((crc & 0xff) << 4) << 1;
}
return crc;
}
nRF8001::nRF8001(unsigned char req, unsigned char rdy, unsigned char rst) :
BLEDevice(),
_localPipeInfo(NULL),
_numLocalPipeInfo(0),
_broadcastPipe(0),
_timingChanged(false),
_closedPipesCleared(false),
_remoteServicesDiscovered(false),
_remotePipeInfo(NULL),
_numRemotePipeInfo(0),
_dynamicDataOffset(0),
_dynamicDataSequenceNo(0),
_storeDynamicData(false),
_crcSeed(0xFFFF)
{
this->_aciState.aci_pins.reqn_pin = req;
this->_aciState.aci_pins.rdyn_pin = rdy;
#if !defined(SPI_HAS_TRANSACTION) || defined(__SAMD21G18A__)
#if defined(__SAM3X8E__)
this->_aciState.aci_pins.spi_clock_divider = 42;
#else
this->_aciState.aci_pins.spi_clock_divider = SPI_CLOCK_DIV8;
#endif
#endif
this->_aciState.aci_pins.reset_pin = rst;
this->_aciState.aci_pins.active_pin = UNUSED;
this->_aciState.aci_pins.optional_chip_sel_pin = UNUSED;
}
nRF8001::~nRF8001() {
this->end();
}
void nRF8001::begin(unsigned char advertisementDataSize,
BLEEirData *advertisementData,
unsigned char scanDataSize,
BLEEirData *scanData,
BLELocalAttribute** localAttributes,
unsigned char numLocalAttributes,
BLERemoteAttribute** remoteAttributes,
unsigned char numRemoteAttributes)
{
unsigned char numLocalPipedCharacteristics = 0;
unsigned char numLocalPipes = 0;
this->_crcSeed = 0xFFFF;
for (int i = 0; i < numLocalAttributes; i++) {
BLELocalAttribute* localAttribute = localAttributes[i];
if (localAttribute->type() == BLETypeCharacteristic) {
BLECharacteristic* characteristic = (BLECharacteristic *)localAttribute;
unsigned char properties = characteristic->properties();
if (properties) {
numLocalPipedCharacteristics++;
if (properties & BLEBroadcast) {
numLocalPipes++;
}
if (properties & BLENotify) {
numLocalPipes++;
}
if (properties & BLEIndicate) {
numLocalPipes++;
}
if (properties & BLEWriteWithoutResponse) {
numLocalPipes++;
}
if (properties & BLEWrite) {
numLocalPipes++;
}
if (properties & BLERead) {
numLocalPipes++;
}
}
}
}
this->_localPipeInfo = (struct localPipeInfo*)malloc(sizeof(struct localPipeInfo) * numLocalPipedCharacteristics);
unsigned char numRemoteServices = 0;
unsigned char numRemotePipedCharacteristics = 0;
unsigned char numRemotePipes = 0;
unsigned char numCustomUuids = 0;
for (int i = 0; i < numRemoteAttributes; i++) {
BLERemoteAttribute* remoteAttribute = remoteAttributes[i];
unsigned short remoteAttributeType = remoteAttribute->type();
BLEUuid uuid = BLEUuid(remoteAttribute->uuid());
if (uuid.length() > 2) {
numCustomUuids++;
}
if (remoteAttributeType == BLETypeService) {
numRemoteServices++;
} else if (remoteAttributeType == BLETypeCharacteristic) {
BLERemoteCharacteristic* characteristic = (BLERemoteCharacteristic *)remoteAttribute;
unsigned char properties = characteristic->properties();
if (properties) {
numRemotePipedCharacteristics++;
if (properties & BLENotify) {
numRemotePipes++;
}
if (properties & BLEIndicate) {
numRemotePipes++;
}
if (properties & BLEWriteWithoutResponse) {
numRemotePipes++;
}
if (properties & BLEWrite) {
numRemotePipes++;
}
if (properties & BLERead) {
numRemotePipes++;
}
}
}
}
this->_remotePipeInfo = (struct remotePipeInfo*)malloc(sizeof(struct remotePipeInfo) * numRemotePipedCharacteristics);
lib_aci_init(&this->_aciState, false);
if (this->_bondStore) {
this->_aciState.bonded = ACI_BOND_STATUS_FAILED;
this->_storeDynamicData = false;
}
this->waitForSetupMode();
hal_aci_data_t setupMsg;
struct setupMsgData* setupMsgData = (struct setupMsgData*)setupMsg.buffer;
setupMsg.status_byte = 0;
bool hasAdvertisementData = advertisementDataSize && advertisementData;
bool hasScanData = scanDataSize && scanData;
for (int i = 0; i < NB_BASE_SETUP_MESSAGES; i++) {
int setupMsgSize = pgm_read_byte_near(&baseSetupMsgs[i].buffer[0]) + 2;
memcpy_P(&setupMsg, &baseSetupMsgs[i], setupMsgSize);
if (i == 1) {
setupMsgData->data[5] = numRemoteServices;
setupMsgData->data[6] = numLocalPipedCharacteristics;
setupMsgData->data[7] = numRemotePipedCharacteristics;
setupMsgData->data[8] = (numLocalPipes + numRemotePipes);
if (this->_bondStore) {
setupMsgData->data[4] |= 0x02;
}
#ifdef NRF_8001_ENABLE_DC_DC_CONVERTER
setupMsgData->data[13] |= 0x01;
#endif
} else if (i == 2 && hasAdvertisementData) {
setupMsgData->data[18] |= 0x40;
setupMsgData->data[22] |= 0x40;
setupMsgData->data[26] = numCustomUuids;
} else if (i == 3) {
if (hasAdvertisementData) {
setupMsgData->data[16] |= 0x40;
}
if (hasScanData) {
setupMsgData->data[8] |= 0x40;
setupMsgData->data[12] |= 0x40;
setupMsgData->data[20] |= 0x40;
}
} else if (i == 4) {
if (this->_bondStore) {
setupMsgData->data[0] |= 0x01;
}
} else if (i == 5 && hasAdvertisementData) {
setupMsgData->data[0] = advertisementData[0].type;
setupMsgData->data[1] = advertisementData[0].length;
memcpy(&setupMsgData->data[2], advertisementData[0].data, advertisementData[0].length);
} else if (i == 6 && hasScanData) {
setupMsgData->data[0] = scanData[0].type;
setupMsgData->data[1] = scanData[0].length;
memcpy(&setupMsgData->data[2], scanData[0].data, scanData[0].length);
}
this->sendSetupMessage(&setupMsg);
}
// GATT
unsigned short gattSetupMsgOffset = 0;
unsigned short handle = 1;
unsigned char pipe = 1;
unsigned char numLocalPiped = 0;
unsigned char numRemotePiped = 0;
for (int i = 0; i < numLocalAttributes; i++) {
BLELocalAttribute* localAttribute = localAttributes[i];
unsigned short localAttributeType = localAttribute->type();
BLEUuid uuid = BLEUuid(localAttribute->uuid());
const unsigned char* uuidData = uuid.data();
unsigned char uuidLength = uuid.length();
if (localAttributeType == BLETypeService) {
setupMsgData->length = 12 + uuidLength;
setupMsgData->data[0] = 0x04;
setupMsgData->data[1] = 0x04;
setupMsgData->data[2] = uuidLength;
setupMsgData->data[3] = uuidLength;
setupMsgData->data[4] = (handle >> 8) & 0xff;
setupMsgData->data[5] = handle & 0xff;
handle++;
setupMsgData->data[6] = (localAttributeType >> 8) & 0xff;
setupMsgData->data[7] = localAttributeType & 0xff;
setupMsgData->data[8] = ACI_STORE_LOCAL;
memcpy(&setupMsgData->data[9], uuidData, uuidLength);
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
} else if (localAttributeType == BLETypeCharacteristic) {
BLECharacteristic* characteristic = (BLECharacteristic *)localAttribute;
unsigned char properties = characteristic->properties();
const char* characteristicUuid = characteristic->uuid();
struct localPipeInfo* localPipeInfo = &this->_localPipeInfo[numLocalPiped];
memset(localPipeInfo, 0, sizeof(struct localPipeInfo));
localPipeInfo->characteristic = characteristic;
if (properties) {
numLocalPiped++;
if (properties & BLEBroadcast) {
localPipeInfo->advPipe = pipe;
pipe++;
}
if (properties & BLENotify) {
localPipeInfo->txPipe = pipe;
pipe++;
}
if (properties & BLEIndicate) {
localPipeInfo->txAckPipe = pipe;
pipe++;
}
if (properties & BLEWriteWithoutResponse) {
localPipeInfo->rxPipe = pipe;
pipe++;
}
if (properties & BLEWrite) {
localPipeInfo->rxAckPipe = pipe;
pipe++;
}
if (properties & BLERead) {
localPipeInfo->setPipe = pipe;
pipe++;
}
}
setupMsgData->length = 15 + uuidLength;
setupMsgData->data[0] = 0x04;
setupMsgData->data[1] = 0x04;
setupMsgData->data[2] = 3 + uuidLength;
setupMsgData->data[3] = 3 + uuidLength;
setupMsgData->data[4] = (handle >> 8) & 0xff;
setupMsgData->data[5] = handle & 0xff;
handle++;
setupMsgData->data[6] = (localAttributeType >> 8) & 0xff;
setupMsgData->data[7] = localAttributeType & 0xff;
setupMsgData->data[8] = ACI_STORE_LOCAL;
setupMsgData->data[9] = properties & 0xfe;
setupMsgData->data[10] = handle & 0xff;
setupMsgData->data[11] = (handle >> 8) & 0xff;
localPipeInfo->valueHandle = handle;
handle++;
memcpy(&setupMsgData->data[12], uuidData, uuidLength);
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
setupMsgData->length = 12;
setupMsgData->data[0] = 0x04;
setupMsgData->data[1] = 0x00;
if (characteristic->fixedLength()) {
setupMsgData->data[0] |= 0x02;
}
if (properties & BLERead) {
setupMsgData->data[1] |= 0x04;
}
if (this->_bondStore &&
strcmp(characteristicUuid, "2a00") != 0 &&
strcmp(characteristicUuid, "2a01") != 0 &&
strcmp(characteristicUuid, "2a05") != 0) {
setupMsgData->data[1] |= 0x08;
}
if (properties & (BLEWrite | BLEWriteWithoutResponse)) {
setupMsgData->data[0] |= 0x40;
setupMsgData->data[1] |= 0x10;
}
if (properties & BLENotify) {
setupMsgData->data[0] |= 0x10;
}
if (properties & BLEIndicate) {
setupMsgData->data[0] |= 0x20;
}
unsigned char valueSize = characteristic->valueSize();
unsigned char valueLength = characteristic->valueLength();
setupMsgData->data[2] = valueSize;
if (characteristic->fixedLength()) {
setupMsgData->data[2]++;
}
setupMsgData->data[3] = valueLength;
setupMsgData->data[4] = (localPipeInfo->valueHandle >> 8) & 0xff;
setupMsgData->data[5] = localPipeInfo->valueHandle & 0xff;
if (uuidLength == 2) {
setupMsgData->data[6] = uuidData[1];
setupMsgData->data[7] = uuidData[0];
} else {
setupMsgData->data[6] = 0x00;
setupMsgData->data[7] = 0x00;
}
setupMsgData->data[8] = ACI_STORE_LOCAL;
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
int valueOffset = 0;
while(valueOffset < valueSize) {
int chunkSize = min(valueSize - valueOffset, MAX_ATTRIBUTE_VALUE_PER_SETUP_MSG);
int valueCopySize = min(valueLength - valueOffset, chunkSize);
setupMsgData->length = 3 + chunkSize;
memset(setupMsgData->data, 0x00, chunkSize);
if (valueCopySize > 0) {
for (int j = 0; j < chunkSize; j++) {
setupMsgData->data[j] = (*characteristic)[j + valueOffset];
}
}
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
valueOffset += chunkSize;
}
if (properties & (BLENotify | BLEIndicate)) {
setupMsgData->length = 14;
setupMsgData->data[0] = 0x46;
setupMsgData->data[1] = 0x14;
setupMsgData->data[2] = 0x03;
setupMsgData->data[3] = 0x02;
setupMsgData->data[4] = (handle >> 8) & 0xff;
setupMsgData->data[5] = handle & 0xff;
localPipeInfo->configHandle = handle;
handle++;
setupMsgData->data[6] = 0x29;
setupMsgData->data[7] = 0x02;
setupMsgData->data[8] = ACI_STORE_LOCAL;
setupMsgData->data[9] = 0x00;
setupMsgData->data[10] = 0x00;
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
}
} else if (localAttributeType == BLETypeDescriptor) {
BLEDescriptor* descriptor = (BLEDescriptor *)localAttribute;
setupMsgData->length = 12;
setupMsgData->data[0] = 0x04;
setupMsgData->data[1] = 0x04;
unsigned char valueLength = descriptor->valueLength();
setupMsgData->data[2] = valueLength;
setupMsgData->data[3] = valueLength;
setupMsgData->data[4] = (handle >> 8) & 0xff;
setupMsgData->data[5] = handle & 0xff;
handle++;
setupMsgData->data[6] = uuidData[1];
setupMsgData->data[7] = uuidData[0];
setupMsgData->data[8] = ACI_STORE_LOCAL;
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
int valueOffset = 0;
while(valueOffset < valueLength) {
int chunkSize = min(valueLength - valueOffset, MAX_ATTRIBUTE_VALUE_PER_SETUP_MSG);
setupMsgData->length = 3 + chunkSize;
for (int j = 0; j < chunkSize; j++) {
setupMsgData->data[j] = (*descriptor)[j + valueOffset];
}
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
valueOffset += chunkSize;
}
}
}
this->_numLocalPipeInfo = numLocalPiped;
// terminator
setupMsgData->length = 4;
setupMsgData->data[0] = 0x00;
this->sendSetupMessage(&setupMsg, 0x2, gattSetupMsgOffset);
unsigned short remoteServiceSetupMsgOffset = 0;
unsigned char customUuidIndex = 2;
for (int i = 0; i < numRemoteAttributes; i++) {
BLERemoteAttribute* remoteAttribute = remoteAttributes[i];
BLEUuid uuid = BLEUuid(remoteAttribute->uuid());
const unsigned char* uuidData = uuid.data();
unsigned char uuidLength = uuid.length();
if (remoteAttribute->type() == BLETypeService) {
unsigned char numRemoteCharacteristics = 0;
setupMsgData->data[3] = (pipe - 1);
for (int j = (i + 1); j < numRemoteAttributes; j++) {
if (remoteAttributes[j]->type() == BLETypeCharacteristic) {
BLERemoteCharacteristic* remoteCharateristic = (BLERemoteCharacteristic*)remoteAttributes[j];
struct remotePipeInfo* remotePipeInfo = &this->_remotePipeInfo[numRemotePiped];
memset(remotePipeInfo, 0, sizeof(struct remotePipeInfo));
unsigned char properties = remoteCharateristic->properties();
remotePipeInfo->characteristic = remoteCharateristic;
if (properties & BLEWriteWithoutResponse) {
remotePipeInfo->txPipe = pipe;
pipe++;
}
if (properties & BLEWrite) {
remotePipeInfo->txAckPipe = pipe;
pipe++;
}
if (properties & BLERead) {
remotePipeInfo->rxReqPipe = pipe;
pipe++;
}
if (properties & BLENotify) {
remotePipeInfo->rxPipe = pipe;
pipe++;
}
if (properties & BLEIndicate) {
remotePipeInfo->rxAckPipe = pipe;
pipe++;
}
numRemoteCharacteristics++;
numRemotePiped++;
} else {
break;
}
}
setupMsgData->length = 8;
if (uuidLength == 2) {
setupMsgData->data[0] = uuidData[1];
setupMsgData->data[1] = uuidData[0];
setupMsgData->data[2] = 0x01;
} else {
setupMsgData->data[0] = uuidData[13];
setupMsgData->data[1] = uuidData[12];
setupMsgData->data[2] = customUuidIndex;
customUuidIndex++;
}
setupMsgData->data[4] = numRemoteCharacteristics;
this->sendSetupMessage(&setupMsg, 0x3, remoteServiceSetupMsgOffset);
}
}
this->_numRemotePipeInfo = numRemotePiped;
// pipes
unsigned short pipeSetupMsgOffset = 0;
for (int i = 0; i < numLocalPiped; i++) {
struct localPipeInfo localPipeInfo = this->_localPipeInfo[i];
setupMsgData->length = 13;
setupMsgData->data[0] = 0x00;
setupMsgData->data[1] = 0x00;
setupMsgData->data[2] = 0x01;
setupMsgData->data[3] = 0x00;
setupMsgData->data[4] = 0x00;
setupMsgData->data[5] = 0x04;
setupMsgData->data[6] = (localPipeInfo.valueHandle >> 8) & 0xff;
setupMsgData->data[7] = localPipeInfo.valueHandle & 0xff;
setupMsgData->data[8] = (localPipeInfo.configHandle >> 8) & 0xff;
setupMsgData->data[9] = localPipeInfo.configHandle & 0xff;
unsigned char properties = localPipeInfo.characteristic->properties();
if (properties & BLEBroadcast) {
setupMsgData->data[4] |= 0x01; // Adv
}
if (properties & BLENotify) {
setupMsgData->data[4] |= 0x02; // TX
}
if (properties & BLEIndicate) {
setupMsgData->data[4] |= 0x04; // TX Ack
}
if (properties & BLEWriteWithoutResponse) {
setupMsgData->data[4] |= 0x08; // RX Ack
}
if (properties & BLEWrite) {
setupMsgData->data[4] |= 0x10; // RX Ack
}
if (properties & BLERead) {
setupMsgData->data[4] |= 0x80; // Set
}
this->sendSetupMessage(&setupMsg, 0x4, pipeSetupMsgOffset);
}
for (int i = 0; i < numRemotePiped; i++) {
struct remotePipeInfo remotePipeInfo = this->_remotePipeInfo[i];
BLERemoteCharacteristic *remoteCharacteristic = remotePipeInfo.characteristic;
BLEUuid uuid = BLEUuid(remoteCharacteristic->uuid());
const unsigned char* uuidData = uuid.data();
unsigned char uuidLength = uuid.length();
setupMsgData->length = 13;
if (uuidLength== 2) {
setupMsgData->data[0] = uuidData[1];
setupMsgData->data[1] = uuidData[0];
setupMsgData->data[2] = 0x01;
} else {
setupMsgData->data[0] = uuidData[13];
setupMsgData->data[1] = uuidData[12];
setupMsgData->data[2] = customUuidIndex;
customUuidIndex++;
}
setupMsgData->data[3] = 0x00; // pipe properties
setupMsgData->data[4] = 0x00; // pipe properties
setupMsgData->data[5] = 0x04;
setupMsgData->data[6] = 0x00;
setupMsgData->data[7] = 0x00;
setupMsgData->data[8] = 0x00;
setupMsgData->data[9] = 0x00;
unsigned char properties = remoteCharacteristic->properties();
if (properties & BLERead) {
setupMsgData->data[4] |= 0x40; // ACI_RX_REQ
}
if (properties & BLEWriteWithoutResponse) {
setupMsgData->data[4] |= 0x02; // ACI_TX
}
if (properties & BLEWrite) {
setupMsgData->data[4] |= 0x04; // ACI_TX_ACK
}
if (properties & BLENotify) {
setupMsgData->data[4] |= 0x08; // ACI_RX
}
if (properties & BLEIndicate) {
setupMsgData->data[4] |= 0x10; // ACI_RX_ACK
}
this->sendSetupMessage(&setupMsg, 0x4, pipeSetupMsgOffset);
}
// custom uuid's (remote only for now)
unsigned short customUuidSetupMsgOffset = 0;
for (int i = 0; i < numRemoteAttributes; i++) {
BLERemoteAttribute* remoteAttribute = remoteAttributes[i];
BLEUuid uuid = BLEUuid(remoteAttribute->uuid());
const unsigned char* uuidData = uuid.data();
unsigned char uuidLength = uuid.length();
setupMsgData->length = 3 + uuidLength;
memcpy(&setupMsgData->data, uuidData, uuidLength);
setupMsgData->data[12] = 0;
setupMsgData->data[13] = 0;
this->sendSetupMessage(&setupMsg, 0x5, customUuidSetupMsgOffset);
}
// crc
unsigned short crcOffset = 0;
setupMsgData->length = 6;
setupMsgData->data[0] = 3;
this->sendSetupMessage(&setupMsg, 0xf, crcOffset, true);
}
void nRF8001::poll() {
// We enter the if statement only when there is a ACI event available to be processed
if (lib_aci_event_get(&this->_aciState, &this->_aciData)) {
aci_evt_t* aciEvt = &this->_aciData.evt;
if(this->_eventListener)
this->_eventListener->BLERawEvent(aciEvt->evt_opcode, aciEvt);
switch(aciEvt->evt_opcode) {
/**
As soon as you reset the nRF8001 you will get an ACI Device Started Event
*/
case ACI_EVT_DEVICE_STARTED: {
this->_aciState.data_credit_total = aciEvt->params.device_started.credit_available;
switch(aciEvt->params.device_started.device_mode) {
case ACI_DEVICE_SETUP:
/**
When the device is in the setup mode
*/
#ifdef NRF_8001_DEBUG
Serial.println(F("Evt Device Started: Setup"));
#endif
break;
case ACI_DEVICE_STANDBY:
#ifdef NRF_8001_DEBUG
Serial.println(F("Evt Device Started: Standby"));
#endif
//Looking for an iPhone by sending radio advertisements
//When an iPhone connects to us we will get an ACI_EVT_CONNECTED event from the nRF8001
if (aciEvt->params.device_started.hw_error) {
delay(20); //Handle the HW error event correctly.
} else if (this->_bondStore && this->_bondStore->hasData()) {
this->_dynamicDataSequenceNo = 1;
this->_dynamicDataOffset = 0;
unsigned char chunkSize;
this->_bondStore->getData(&chunkSize, this->_dynamicDataOffset, sizeof(chunkSize));
this->_dynamicDataOffset++;
unsigned char chunkData[DYNAMIC_DATA_MAX_CHUNK_SIZE];
this->_bondStore->getData(chunkData, this->_dynamicDataOffset, chunkSize);
this->_dynamicDataOffset += chunkSize;
lib_aci_write_dynamic_data(this->_dynamicDataSequenceNo, chunkData, chunkSize);
} else {
this->startAdvertising();
}
break;
default:
break;
}
}
break; //ACI Device Started Event
case ACI_EVT_CMD_RSP:
//If an ACI command response event comes with an error -> stop
if (ACI_STATUS_SUCCESS != aciEvt->params.cmd_rsp.cmd_status &&
ACI_STATUS_TRANSACTION_CONTINUE != aciEvt->params.cmd_rsp.cmd_status &&
ACI_STATUS_TRANSACTION_COMPLETE != aciEvt->params.cmd_rsp.cmd_status) {
//ACI ReadDynamicData and ACI WriteDynamicData will have status codes of
//TRANSACTION_CONTINUE and TRANSACTION_COMPLETE
//all other ACI commands will have status code of ACI_STATUS_SCUCCESS for a successful command
#ifdef NRF_8001_DEBUG
Serial.print(F("ACI Command "));
Serial.println(aciEvt->params.cmd_rsp.cmd_opcode, HEX);
Serial.print(F("Evt Cmd respone: Status "));
Serial.println(aciEvt->params.cmd_rsp.cmd_status, HEX);
#endif
} else {
switch (aciEvt->params.cmd_rsp.cmd_opcode) {
case ACI_CMD_READ_DYNAMIC_DATA: {
#ifdef NRF_8001_DEBUG
Serial.print(F("Dynamic data read sequence "));
Serial.print(aciEvt->params.cmd_rsp.params.read_dynamic_data.seq_no);
Serial.print(F(": "));
Serial.print(aciEvt->len - 4);
Serial.print(F(": "));
BLEUtil::printBuffer(aciEvt->params.cmd_rsp.params.read_dynamic_data.dynamic_data, aciEvt->len - 4);
#endif
if (aciEvt->params.cmd_rsp.params.read_dynamic_data.seq_no == 1) {
this->_dynamicDataOffset = 0;
}
unsigned char chunkLength = aciEvt->len - 4;
this->_bondStore->putData(&chunkLength, this->_dynamicDataOffset, sizeof(chunkLength));
this->_dynamicDataOffset++;
this->_bondStore->putData(aciEvt->params.cmd_rsp.params.read_dynamic_data.dynamic_data, this->_dynamicDataOffset, chunkLength);
this->_dynamicDataOffset += chunkLength;
if (aciEvt->params.cmd_rsp.cmd_status == ACI_STATUS_TRANSACTION_CONTINUE) {
lib_aci_read_dynamic_data();
} else if (aciEvt->params.cmd_rsp.cmd_status == ACI_STATUS_TRANSACTION_COMPLETE) {
this->startAdvertising();
}
break;
}
case ACI_CMD_WRITE_DYNAMIC_DATA: {
#ifdef NRF_8001_DEBUG
Serial.print(F("Dynamic data write sequence "));
Serial.print(this->_dynamicDataSequenceNo);
Serial.println(F(" complete"));
#endif
if (aciEvt->params.cmd_rsp.cmd_status == ACI_STATUS_TRANSACTION_CONTINUE) {
this->_dynamicDataSequenceNo++;
unsigned char chunkSize;
this->_bondStore->getData(&chunkSize, this->_dynamicDataOffset, sizeof(chunkSize));
this->_dynamicDataOffset++;
unsigned char chunkData[DYNAMIC_DATA_MAX_CHUNK_SIZE];
this->_bondStore->getData(chunkData, this->_dynamicDataOffset, chunkSize);
this->_dynamicDataOffset += chunkSize;
lib_aci_write_dynamic_data(this->_dynamicDataSequenceNo, chunkData, chunkSize);
} else if (aciEvt->params.cmd_rsp.cmd_status == ACI_STATUS_TRANSACTION_COMPLETE) {
delay(20);
this->startAdvertising();
}
break;
}
case ACI_CMD_GET_DEVICE_VERSION:
break;
case ACI_CMD_GET_DEVICE_ADDRESS: {
#ifdef NRF_8001_DEBUG
char address[18];
BLEUtil::addressToString(aciEvt->params.cmd_rsp.params.get_device_address.bd_addr_own, address);
Serial.print(F("Device address = "));
Serial.println(address);
Serial.print(F("Device address type = "));
Serial.println(aciEvt->params.cmd_rsp.params.get_device_address.bd_addr_type, DEC);
#endif
if (this->_eventListener) {
this->_eventListener->BLEDeviceAddressReceived(*this, aciEvt->params.cmd_rsp.params.get_device_address.bd_addr_own);
}
break;
}
case ACI_CMD_GET_BATTERY_LEVEL: {
float batteryLevel = aciEvt->params.cmd_rsp.params.get_battery_level.battery_level * 0.00352;
#ifdef NRF_8001_DEBUG
Serial.print(F("Battery level = "));
Serial.println(batteryLevel);
#endif
if (this->_eventListener) {
this->_eventListener->BLEDeviceBatteryLevelReceived(*this, batteryLevel);
}
break;
}
case ACI_CMD_GET_TEMPERATURE: {
float temperature = aciEvt->params.cmd_rsp.params.get_temperature.temperature_value / 4.0;
#ifdef NRF_8001_DEBUG
Serial.print(F("Temperature = "));
Serial.println(temperature);
#endif
if (this->_eventListener) {
this->_eventListener->BLEDeviceTemperatureReceived(*this, temperature);
}
break;
}
default:
break;
}
}
break;
case ACI_EVT_CONNECTED:
#ifdef NRF_8001_DEBUG
char address[18];
BLEUtil::addressToString(aciEvt->params.connected.dev_addr, address);
Serial.print(F("Evt Connected "));
Serial.println(address);
#endif
this->_timingChanged = false;
this->_closedPipesCleared = false;
this->_remoteServicesDiscovered = false;
if (this->_eventListener) {
this->_eventListener->BLEDeviceConnected(*this, aciEvt->params.connected.dev_addr);
}
this->_aciState.data_credit_available = this->_aciState.data_credit_total;
break;