void Adafruit_BLE_UART::pollACI()
{
// We enter the if statement only when there is a ACI event available to be processed
if (lib_aci_event_get(&aci_state, &aci_data))
{
aci_evt_t * aci_evt;
aci_evt = &aci_data.evt;
switch(aci_evt->evt_opcode)
{
/* As soon as you reset the nRF8001 you will get an ACI Device Started Event */
case ACI_EVT_DEVICE_STARTED:
{
aci_state.data_credit_total = aci_evt->params.device_started.credit_available;
switch(aci_evt->params.device_started.device_mode)
{
case ACI_DEVICE_SETUP:
/* Device is in setup mode! */
if (ACI_STATUS_TRANSACTION_COMPLETE != do_aci_setup(&aci_state))
{
if (debugMode) {
Serial.println(F("Error in ACI Setup"));
}
}
break;
case ACI_DEVICE_STANDBY:
/* Start advertising ... first value is advertising time in seconds, the */
/* second value is the advertising interval in 0.625ms units */
if (device_name[0] != 0x00)
{
/* Update the device name */
lib_aci_set_local_data(&aci_state, PIPE_GAP_DEVICE_NAME_SET , (uint8_t *)&device_name, strlen(device_name));
}
lib_aci_connect(adv_timeout, adv_interval);
defaultACICallback(ACI_EVT_DEVICE_STARTED);
if (aci_event)
aci_event(ACI_EVT_DEVICE_STARTED);
}
}
break;
case ACI_EVT_CMD_RSP:
/* If an ACI command response event comes with an error -> stop */
if (ACI_STATUS_SUCCESS != aci_evt->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_SUCCESS for a successful command
if (debugMode) {
Serial.print(F("ACI Command "));
Serial.println(aci_evt->params.cmd_rsp.cmd_opcode, HEX);
Serial.println(F("Evt Cmd respone: Error. Arduino is in an while(1); loop"));
}
while (1);
}
if (ACI_CMD_GET_DEVICE_VERSION == aci_evt->params.cmd_rsp.cmd_opcode)
{
// Store the version and configuration information of the nRF8001 in the Hardware Revision String Characteristic
lib_aci_set_local_data(&aci_state, PIPE_DEVICE_INFORMATION_HARDWARE_REVISION_STRING_SET,
(uint8_t *)&(aci_evt->params.cmd_rsp.params.get_device_version), sizeof(aci_evt_cmd_rsp_params_get_device_version_t));
}
break;
case ACI_EVT_CONNECTED:
aci_state.data_credit_available = aci_state.data_credit_total;
/* Get the device version of the nRF8001 and store it in the Hardware Revision String */
lib_aci_device_version();
defaultACICallback(ACI_EVT_CONNECTED);
if (aci_event)
aci_event(ACI_EVT_CONNECTED);
case ACI_EVT_PIPE_STATUS:
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) && (false == timing_change_done))
{
lib_aci_change_timing_GAP_PPCP(); // change the timing on the link as specified in the nRFgo studio -> nRF8001 conf. -> GAP.
// Used to increase or decrease bandwidth
timing_change_done = true;
}
break;
case ACI_EVT_TIMING:
/* Link connection interval changed */
break;
case ACI_EVT_DISCONNECTED:
/* Restart advertising ... first value is advertising time in seconds, the */
/* second value is the advertising interval in 0.625ms units */
defaultACICallback(ACI_EVT_DISCONNECTED);
if (aci_event)
aci_event(ACI_EVT_DISCONNECTED);
lib_aci_connect(adv_timeout, adv_interval);
defaultACICallback(ACI_EVT_DEVICE_STARTED);
if (aci_event)
aci_event(ACI_EVT_DEVICE_STARTED);
break;
case ACI_EVT_DATA_RECEIVED:
defaultRX(aci_evt->params.data_received.rx_data.aci_data, aci_evt->len - 2);
if (rx_event)
rx_event(aci_evt->params.data_received.rx_data.aci_data, aci_evt->len - 2);
break;
case ACI_EVT_DATA_CREDIT:
aci_state.data_credit_available = aci_state.data_credit_available + aci_evt->params.data_credit.credit;
break;
case ACI_EVT_PIPE_ERROR:
/* See the appendix in the nRF8001 Product Specication for details on the error codes */
if (debugMode) {
Serial.print(F("ACI Evt Pipe Error: Pipe #:"));
Serial.print(aci_evt->params.pipe_error.pipe_number, DEC);
Serial.print(F(" Pipe Error Code: 0x"));
Serial.println(aci_evt->params.pipe_error.error_code, HEX);
}
/* Increment the credit available as the data packet was not sent */
aci_state.data_credit_available++;
break;
}
}
else
{
// Serial.println(F("No ACI Events available"));
// No event in the ACI Event queue and if there is no event in the ACI command queue the arduino can go to sleep
// Arduino can go to sleep now
// Wakeup from sleep from the RDYN line
}
}
void Adafruit_BLE_UART::pollACI()
{
static bool setup_required = false;
// We enter the if statement only when there is a ACI event available to be processed
if (lib_aci_event_get(&aci_state, &aci_data))
{
aci_evt_t * aci_evt;
aci_evt = &aci_data.evt;
switch(aci_evt->evt_opcode)
{
/**
As soon as you reset the nRF8001 you will get an ACI Device Started Event
*/
case ACI_EVT_DEVICE_STARTED:
{
aci_state.data_credit_total = aci_evt->params.device_started.credit_available;
switch(aci_evt->params.device_started.device_mode)
{
case ACI_DEVICE_SETUP:
/**
When the device is in the setup mode
*/
Serial.println(F("Evt Device Started: Setup"));
setup_required = true;
break;
case ACI_DEVICE_STANDBY:
Serial.println(F("Evt Device Started: Standby"));
//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 (aci_evt->params.device_started.hw_error)
{
delay(20); //Handle the HW error event correctly.
if (debugMode) {
Serial.println(F("Error in ACI Setup"));
}
}
else
{
lib_aci_connect(0/* in seconds : 0 means forever */, 0x0050 /* advertising interval 50ms*/);
defaultACICallback(ACI_EVT_DEVICE_STARTED);
Serial.println(F("Advertising started : Tap Connect on the nRF UART app or client application"));
}
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 != aci_evt->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
Serial.print(F("ACI Command "));
Serial.println(aci_evt->params.cmd_rsp.cmd_opcode, HEX);
Serial.print(F("Evt Cmd respone: Status "));
Serial.println(aci_evt->params.cmd_rsp.cmd_status, HEX);
}
if (ACI_CMD_GET_DEVICE_VERSION == aci_evt->params.cmd_rsp.cmd_opcode)
{
//Store the version and configuration information of the nRF8001 in the Hardware Revision String Characteristic
lib_aci_set_local_data(&aci_state, PIPE_DEVICE_INFORMATION_HARDWARE_REVISION_STRING_SET,
(uint8_t *)&(aci_evt->params.cmd_rsp.params.get_device_version), sizeof(aci_evt_cmd_rsp_params_get_device_version_t));
}
break;
case ACI_EVT_CONNECTED:
Serial.println(F("Evt Connected"));
uart_over_ble_init();
timing_change_done = false;
aci_state.data_credit_available = aci_state.data_credit_total;
/*
Get the device version of the nRF8001 and store it in the Hardware Revision String
*/
lib_aci_device_version();
defaultACICallback(ACI_EVT_CONNECTED);
break;
case ACI_EVT_PIPE_STATUS:
Serial.println(F("Evt Pipe Status"));
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) && (false == timing_change_done))
{
lib_aci_change_timing_GAP_PPCP(); // change the timing on the link as specified in the nRFgo studio -> nRF8001 conf. -> GAP.
// Used to increase or decrease bandwidth
timing_change_done = true;
}
break;
case ACI_EVT_TIMING:
Serial.println(F("Evt link connection interval changed"));
lib_aci_set_local_data(&aci_state,
PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET,
(uint8_t *)&(aci_evt->params.timing.conn_rf_interval), /* Byte aligned */
PIPE_UART_OVER_BTLE_UART_LINK_TIMING_CURRENT_SET_MAX_SIZE);
break;
case ACI_EVT_DISCONNECTED:
defaultACICallback(ACI_EVT_DISCONNECTED);
Serial.println(F("Evt Disconnected/Advertising timed out"));
lib_aci_connect(0/* in seconds : 0 means forever */, 0x0050 /* advertising interval 50ms*/);
defaultACICallback(ACI_EVT_DEVICE_STARTED);
Serial.println(F("Advertising started. Tap Connect on the nRF UART app"));
break;
case ACI_EVT_DATA_RECEIVED:
Serial.print(F("Pipe Number: "));
Serial.println(aci_evt->params.data_received.rx_data.pipe_number, DEC);
defaultRX(aci_evt->params.data_received.rx_data.aci_data, aci_evt->len - 2);
if (rx_event)
{
rx_event(aci_evt->params.data_received.rx_data.aci_data, aci_evt->len - 2);
}
if (PIPE_UART_OVER_BTLE_UART_RX_RX == aci_evt->params.data_received.rx_data.pipe_number)
{
Serial.print(F(" Data(Hex) : "));
for(int i=0; i<aci_evt->len - 2; i++)
{
Serial.print((char)aci_evt->params.data_received.rx_data.aci_data[i]);
uart_buffer[i] = aci_evt->params.data_received.rx_data.aci_data[i];
Serial.print(F(" "));
}
uart_buffer_len = aci_evt->len - 2;
Serial.println(F(""));
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
/*Do this to test the loopback otherwise comment it out*/
/*
if (!uart_tx(&uart_buffer[0], aci_evt->len - 2))
{
Serial.println(F("UART loopback failed"));
}
else
{
Serial.println(F("UART loopback OK"));
}
*/
}
}
if (PIPE_UART_OVER_BTLE_UART_CONTROL_POINT_RX == aci_evt->params.data_received.rx_data.pipe_number)
{
uart_process_control_point_rx(&aci_evt->params.data_received.rx_data.aci_data[0], aci_evt->len - 2); //Subtract for Opcode and Pipe number
}
break;
case ACI_EVT_DATA_CREDIT:
aci_state.data_credit_available = aci_state.data_credit_available + aci_evt->params.data_credit.credit;
break;
case ACI_EVT_PIPE_ERROR:
//See the appendix in the nRF8001 Product Specication for details on the error codes
if ( debugMode )
{
Serial.print(F("ACI Evt Pipe Error: Pipe #:"));
Serial.print(aci_evt->params.pipe_error.pipe_number, DEC);
Serial.print(F(" Pipe Error Code: 0x"));
Serial.println(aci_evt->params.pipe_error.error_code, HEX);
}
//Increment the credit available as the data packet was not sent.
//The pipe error also represents the Attribute protocol Error Response sent from the peer and that should not be counted
//for the credit.
if (ACI_STATUS_ERROR_PEER_ATT_ERROR != aci_evt->params.pipe_error.error_code)
{
aci_state.data_credit_available++;
}
break;
case ACI_EVT_HW_ERROR:
Serial.print(F("HW error: "));
Serial.println(aci_evt->params.hw_error.line_num, DEC);
for(uint8_t counter = 0; counter <= (aci_evt->len - 3); counter++)
{
Serial.write(aci_evt->params.hw_error.file_name[counter]); //uint8_t file_name[20];
}
Serial.println();
lib_aci_connect(0/* in seconds, 0 means forever */, 0x0050 /* advertising interval 50ms*/);
Serial.println(F("Advertising started. Tap Connect on the nRF UART app"));
break;
}
}
else
{
if ( debugMode )
{
//Serial.println(F("No ACI Events available"));
}
// No event in the ACI Event queue and if there is no event in the ACI command queue the arduino can go to sleep
// Arduino can go to sleep now
// Wakeup from sleep from the RDYN line
}
/* setup_required is set to true when the device starts up and enters setup mode.
* It indicates that do_aci_setup() should be called. The flag should be cleared if
* do_aci_setup() returns ACI_STATUS_TRANSACTION_COMPLETE.
*/
if(setup_required)
{
if (SETUP_SUCCESS == do_aci_setup(&aci_state))
{
setup_required = false;
}
}
}