void ble_do_events()
{
spi_old = SPCR;
SPI.setBitOrder(LSBFIRST);
SPI.setClockDivider(SPI_CLOCK_DIV8);
SPI.setDataMode(SPI_MODE0);
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
if(tx_buffer_len > 0)
{
unsigned char Index = 0;
while(tx_buffer_len > 20)
{
if(true == lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, &tx_buff[Index], 20))
{
Serial.print("data transmmit success! Length: ");
Serial.print(20, DEC);
Serial.print(" ");
}
else
{
Serial.println("data transmmit fail !");
}
tx_buffer_len -= 20;
Index += 20;
aci_state.data_credit_available--;
Serial.print("Data Credit available: ");
Serial.println(aci_state.data_credit_available,DEC);
ack = 0;
while (!ack)
process_events();
}
if(true == lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX,& tx_buff[Index], tx_buffer_len))
{
Serial.print("data transmmit success! Length: ");
Serial.print(tx_buffer_len, DEC);
Serial.print(" ");
}
else
{
Serial.println("data transmmit fail !");
}
tx_buffer_len = 0;
aci_state.data_credit_available--;
Serial.print("Data Credit available: ");
Serial.println(aci_state.data_credit_available,DEC);
ack = 0;
while (!ack)
process_events();
}
}
process_events();
SPCR = spi_old;
}
void ble_do_events()
{
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
if(tx_buffer_len > 0)
{
unsigned char Index = 0;
while(tx_buffer_len > 20)
{
if(true == lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, &tx_buff[Index], 20))
{
Serial.print("data transmmit success! Length: ");
Serial.print(20, DEC);
Serial.print(" ");
}
else
{
Serial.println("data transmmit fail !");
}
tx_buffer_len -= 20;
Index += 20;
aci_state.data_credit_available--;
Serial.print("Data Credit available: ");
Serial.println(aci_state.data_credit_available,DEC);
ack = 0;
while (!ack)
process_events();
}
if(true == lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX,& tx_buff[Index], tx_buffer_len))
{
Serial.print("data transmmit success! Length: ");
Serial.print(tx_buffer_len, DEC);
Serial.print(" ");
}
else
{
Serial.println("data transmmit fail !");
}
tx_buffer_len = 0;
aci_state.data_credit_available--;
Serial.print("Data Credit available: ");
Serial.println(aci_state.data_credit_available,DEC);
ack = 0;
while (!ack)
process_events();
}
}
process_events();
}
size_t Adafruit_BLE_UART::write(uint8_t * buffer, uint8_t len)
{
uint8_t bytesThisPass, sent = 0;
#ifdef BLE_RW_DEBUG
Serial.print(F("\tWriting out to BTLE:"));
for (uint8_t i=0; i<len; i++) {
Serial.print(F(" 0x")); Serial.print(buffer[i], HEX);
}
Serial.println();
#endif
while(len) { // Parcelize into chunks
bytesThisPass = len;
if(bytesThisPass > ACI_PIPE_TX_DATA_MAX_LEN)
bytesThisPass = ACI_PIPE_TX_DATA_MAX_LEN;
if(!lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
pollACI();
continue;
}
lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, &buffer[sent],
bytesThisPass);
aci_state.data_credit_available--;
delay(35); // required delay between sends
if(!(len -= bytesThisPass)) break;
sent += bytesThisPass;
}
return sent;
}
bool ancs_send_buffered_command() {
if (!command_send_enable && ((millis() - last_command_send) < 1000)) {
return true;
}
uint8_t* buffer;
size_t len = fifo_pop(buffer_commands, &buffer);
if (len == 0) {
return false;
}
uint8_t cmd, aid;
uint32_t uid;
unpack(buffer, "BIB", &cmd, &uid, &aid);
debug_print(F("[ANCS CP] Command sent 0x"));
debug_print(cmd, HEX);
debug_print(F(" for notification #"));
debug_print(uid, DEC);
debug_print(F(" attribute 0x"));
debug_print(aid, HEX);
debug_println();
if (lib_aci_send_data(PIPE_ANCS_CONTROL_POINT_TX_ACK, buffer, len)) {
command_send_enable = false;
last_command_send = millis();
} else {
Serial.print(F("!! Error sending data for notification #"));
Serial.println(uid, DEC);
}
free(buffer);
return true;
}
boolean BLE::writeBufferToPipe(uint8_t *buffer, uint8_t byteCount, uint8_t pipe) {
boolean success = false;
if (lib_aci_is_pipe_available(&aci_state, pipe) && (aci_state.data_credit_available >= 1)) {
#ifdef ACI_DEBUG
Serial.print(byteCount);
Serial.println(F(" bytes sent to pipe"));
#endif
success = lib_aci_send_data(pipe, buffer, byteCount);
if (success) {
aci_state.data_credit_available--;
waitForDataCredit();
} else Serial.println(F("lib_aci_send_data() failed"));
} else
{
/* notification pipe not available when no client ask for notification */
//Serial.println(F("Pipe not available or no remaining data credits: "));
}
return success;
}
size_t Adafruit_BLE_UART::write(uint8_t buffer)
{
bool status = false;
size_t sent = 0;
#ifdef BLE_RW_DEBUG
Serial.print(F("\tWriting one byte 0x")); Serial.println(buffer, HEX);
#endif
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
// Get back whether we actually sent this bit or not
status = lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, &buffer, 1);
// Validate that we actually sent the bit then
// move the counter
if ( status )
{
aci_state.data_credit_available--;
sent = 1;
}
delay(BLE_W_DELAY); // required delay between sends
return sent;
}
pollACI();
return sent;
}
size_t Adafruit_BLE_UART::write(uint8_t buffer)
{
/* Blocking delay waiting for available credit(s) */
while (0 == aci_state.data_credit_available)
{
pollACI();
delay(10);
}
#ifdef BLE_RW_DEBUG
Serial.print(F("\tWriting one byte 0x")); Serial.println(buffer, HEX);
#endif
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX))
{
lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, &buffer, 1);
aci_state.data_credit_available--;
delay(35); // required delay between sends
return 1;
}
pollACI();
return 0;
}
void send_battery_update(aci_state_t *aci_state, uint8_t percent_level)
{
if (lib_aci_send_data(PIPE_BATTERY_BATTERY_LEVEL_TX, &percent_level, sizeof(percent_level))) //Sending battery level over the air
{
aci_state->data_credit_available--;
}
}
bool GoosciBleGatt::sendData(const char *buffer, int size) {
const uint8_t max_packet_size = BTLE_BUFFER_SIZE - 2;
/* Force size/max_packet_size to round up */
uint8_t num_packets = (size + max_packet_size - 1) / max_packet_size;
bool send_complete = true;
for (uint8_t ii = 0; ii < num_packets; ii++) {
bool is_last_packet = ((num_packets - 1) == ii);
/* There are 3 possibilities for current_packet_size
1) It is the last packet and the remaining data is smaller than our allocated buffer (size % max_packet_size)
2) It is the last packet and the remaining data is equal to our allocated buffer (max_packet_size)
3) It is not the last packet (max_packet_size)
*/
uint8_t current_packet_size = (is_last_packet ? ((size % max_packet_size == 0) ? max_packet_size : (size % max_packet_size)) : max_packet_size);
packet[0] = current_packet_size;
packet[1] = is_last_packet;
memcpy((void*)(packet + 2), buffer + ii * max_packet_size, current_packet_size);
/* If send fails then we give up */
if (!(send_complete = lib_aci_send_data(PIPE_GOOSCI_SENSOR_VALUE_TX, packet, current_packet_size + 2)))
break;
aci_state.data_credit_available--;
while (!is_last_packet && !isReadyToSend())
pollACI();
}
return send_complete;
}
void update_battery(aci_state_t *aci_stat, uint8_t percent_level)
{
bool is_discharging = false;
uint8_t level_difference = 0;
// Serial.print(F(" Is discharging: "));
// Serial.print(is_discharging);
// Serial.print(F(" level_difference: "));
// Serial.print(level_difference);
// Serial.print(F(" BATTERY_LVL_CHANGE_THRESHOLD: "));
// Serial.println(BATTERY_LVL_CHANGE_THRESHOLD);
is_discharging = get_battery_evolution(&level_difference, percent_level);
if (level_difference >= BATTERY_LVL_CHANGE_THRESHOLD)
{
//Serial.print(F(" Setting battery level ..."));
lib_aci_set_local_data(aci_stat, PIPE_BATTERY_BATTERY_LEVEL_SET, &percent_level, sizeof(percent_level));
if(lib_aci_is_pipe_available(aci_stat, PIPE_BATTERY_BATTERY_LEVEL_TX))
{
//Serial.print(F(" Sending battery level over the air ..."));
if (lib_aci_send_data(PIPE_BATTERY_BATTERY_LEVEL_TX, &percent_level, sizeof(percent_level)))
{
aci_stat->data_credit_available--;
}
}
previous_battery_level = percent_level;
}
}
void battery_on_pipe_status(aci_state_t *aci_stat)
{
if (percent_level_on_connect != battery_level_on_disconnect)
{
if(lib_aci_is_pipe_available(aci_stat, PIPE_BATTERY_BATTERY_LEVEL_TX))
{
lib_aci_send_data(PIPE_BATTERY_BATTERY_LEVEL_TX, &percent_level_on_connect, sizeof(percent_level_on_connect));
}
}
}
bool heart_rate_send_hr(uint8_t meas_hr)
{
uint8_t data_index = 0;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_MEAS_SIZE_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_ENERGY_EXPENDED_STATUS_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_RR_INTERVAL_SUPPORT_BIT;
data_index++;
current_heart_rate_data[data_index++] = meas_hr;
return lib_aci_send_data(PIPE_HEART_RATE_HEART_RATE_MEASUREMENT_TX,
(uint8_t *)¤t_heart_rate_data[0] ,data_index);
}
bool heart_rate_send_hr_expended_energy(uint8_t meas_hr, uint16_t expended_energy)
{
uint8_t data_index = 0;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_MEAS_SIZE_BIT;
current_heart_rate_data[data_index] |= HEART_RATE_FLAGS_ENERGY_EXPENDED_STATUS_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_RR_INTERVAL_SUPPORT_BIT;
data_index++;
current_heart_rate_data[data_index++] = meas_hr;
current_heart_rate_data[data_index++] = (uint8_t)expended_energy;
current_heart_rate_data[data_index++] = (uint8_t)(expended_energy>>8);
return lib_aci_send_data(PIPE_HEART_RATE_HEART_RATE_MEASUREMENT_TX,
(uint8_t *)¤t_heart_rate_data[0] ,data_index);
}
bool heart_rate_send_hr_bulk(int meas_hr[], short index) {
uint8_t data_index = 0;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_MEAS_SIZE_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_ENERGY_EXPENDED_STATUS_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_RR_INTERVAL_SUPPORT_BIT;
data_index++;
while(data_index < HR_MAX_PAYLOAD || data_index < index) {
current_heart_rate_data[data_index] = meas_hr[data_index -1];
data_index++;
}
return lib_aci_send_data(PIPE_HEART_RATE_HEART_RATE_MEASUREMENT_TX,
(uint8_t *)¤t_heart_rate_data[0] ,data_index);
}
bool nRF8001MeteoStation::send_humidity(float p_humidity) {
if ((m_ack_humidity_measure_pending == false) && (p_humidity != m_last_hum)) {
if (lib_aci_is_pipe_available(&aci_state, PIPE_METEO_STATION_HUMIDITY_MEASUREMENT_TX_ACK)) {
m_hum_measure.measurement[0] = 0;
m_hum_measure.measurement[1] = p_humidity;
m_ack_humidity_measure_pending = lib_aci_send_data(PIPE_METEO_STATION_HUMIDITY_MEASUREMENT_TX_ACK, (uint8_t *)&m_hum_measure, PIPE_METEO_STATION_HUMIDITY_MEASUREMENT_TX_ACK_MAX_SIZE);
if (m_ack_humidity_measure_pending)
m_last_hum = p_humidity;
return m_ack_humidity_measure_pending;
}
}
return false;
}
void RCTelemetry_BLE::sendRSSI(uint8_t rssi)
{
if (lib_aci_is_pipe_available(&aci_state, PIPE_RC_TELEMETRY_RSSI_TX)) {
lib_aci_send_data(PIPE_RC_TELEMETRY_RSSI_TX, &rssi, 1);
aci_state.data_credit_available--;
delay(35); // required delay between sends
return;
}
pollACI();
// TODO: how to handle when pipe is not available? retry? cache for later? warning on overriding cache?
}
bool Adafruit_BLE_UART::uart_tx(uint8_t *buffer, uint8_t buffer_len)
{
bool status = false;
if (lib_aci_is_pipe_available(&aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) &&
(aci_state.data_credit_available >= 1))
{
status = lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, buffer, buffer_len);
if (status)
{
aci_state.data_credit_available--;
}
}
return status;
}
bool heart_rate_send_hr_rr_interval(uint8_t meas_hr, uint16_t *p_rr_intervals, uint8_t nb_intervals)
{
uint8_t data_index = 0, i;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_MEAS_SIZE_BIT;
current_heart_rate_data[data_index] |= HEART_RATE_FLAGS_RR_INTERVAL_SUPPORT_BIT;
current_heart_rate_data[data_index] &= ~HEART_RATE_FLAGS_ENERGY_EXPENDED_STATUS_BIT;
data_index++;
current_heart_rate_data[data_index++] = meas_hr;
for(i = 0; i < nb_intervals; i ++)
{
current_heart_rate_data[data_index++] = (uint8_t) (p_rr_intervals[i]);
current_heart_rate_data[data_index++] = (uint8_t)((p_rr_intervals[i])>>8);
}
return lib_aci_send_data(PIPE_HEART_RATE_HEART_RATE_MEASUREMENT_TX,
(uint8_t *)¤t_heart_rate_data[0] ,data_index);
}
bool health_thermometer_send_measure(uint32_t meas_temp)
{
uint8_t measurement_size = 5;
uint8_t *p_in_val = (uint8_t *)&meas_temp;
if (0 != (h_temperature.flags&H_THERMOMETER_FLAGS_TYPE_BIT))
{
measurement_size++;
h_temperature.time_type[H_THERMOMETER_POS_TYPE_NO_TSTAMP] = current_type;
}
h_temperature.flags &= ~H_THERMOMETER_FLAGS_T_STAMP_BIT;
h_temperature.measurement[H_THERMOMETER_POS_TEMP_LSB0] = p_in_val[0];//p_in_val[3];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_LSB1] = p_in_val[1];//p_in_val[2];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_MSB0] = p_in_val[2];//p_in_val[1];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_MSB1] = p_in_val[3];//p_in_val[0];
return lib_aci_send_data(PIPE_HEALTH_THERMOMETER_TEMPERATURE_MEASUREMENT_TX_ACK, (uint8_t *)&h_temperature, measurement_size);
}
bool nRF8001MeteoStation::send_temperature(float p_temperature) {
// if the last sending was acquitted and the temperature to send is different
// from the earlier temperature, it checks if the pipe is available
if ((m_ack_temperature_measure_pending == false) && (p_temperature != m_last_temp)) {
if (lib_aci_is_pipe_available(&aci_state, PIPE_METEO_STATION_TEMPERATURE_MEASUREMENT_TX_ACK)) {
// sets the structure with the corresponding flags (cf. .h) and the temperature with the given parameter
m_temp_measure.flags = TEMPERATURE_MEASUREMENT_FLAGS;
m_temp_measure.measurement[0] = p_temperature;
m_temp_measure.measurement[1] = 0;
m_temp_measure.measurement[2] = 0;
m_temp_measure.measurement[3] = 0;
// sends the temperature structure (Pipe, structure address, size)
m_ack_temperature_measure_pending = lib_aci_send_data(PIPE_METEO_STATION_TEMPERATURE_MEASUREMENT_TX_ACK, (uint8_t *)&m_temp_measure, 5);
// if the value was sent correctly, it stores the temperature
if (m_ack_temperature_measure_pending)
m_last_temp = p_temperature;
return m_ack_temperature_measure_pending;
}
}
return false;
}
/**
* This is the default write method.
*
* @param buffer - the data buffer
* @param length - the data length
* @returns bool - the write status
*/
bool NRF8001Driver::write(uint8_t* buffer, uint8_t length){
// Satus container
bool status = false;
// Check if we have a pipe free
if (lib_aci_is_pipe_available(this->_aci_state, PIPE_UART_OVER_BTLE_UART_TX_TX) &&
(this->_aci_state->data_credit_available > 0)){
// Send the data
status = lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, buffer, length);
// If we have a good status
if (status){
// Decrease the write tokens
this->_aci_state->data_credit_available--;
}
}
// Return the status
return status;
}
boolean BLE::writeBufferToPipe(uint8_t *buffer, uint8_t byteCount, uint8_t pipe) {
boolean success = false;
if (lib_aci_is_pipe_available(&aci_state, pipe) && (aci_state.data_credit_available >= 1)) {
// Serial.print(byteCount);
// Serial.println(F(" bytes sent to pipe"));
success = lib_aci_send_data(pipe, buffer, byteCount);
if (success) {
aci_state.data_credit_available--;
waitForDataCredit();
} else Serial.println(F("lib_aci_send_data() failed"));
} //else Serial.println(F("Pipe not available or no remaining data credits"));
return success;
}
bool health_thermometer_send_measure_with_t_stamp(uint32_t meas_temp, time_stamp_t *t_stamp, bool is_freshest_sample)
{
uint8_t measurement_size = 12;
uint8_t *p_in_val = (uint8_t *)&meas_temp;
if (0 != (h_temperature.flags&H_THERMOMETER_FLAGS_TYPE_BIT))
{
measurement_size++;
h_temperature.time_type[H_THERMOMETER_POS_TYPE_WITH_TSTAMP] = current_type;
}
h_temperature.measurement[H_THERMOMETER_POS_TEMP_LSB0] = p_in_val[3];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_LSB1] = p_in_val[2];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_MSB0] = p_in_val[1];
h_temperature.measurement[H_THERMOMETER_POS_TEMP_MSB1] = p_in_val[0];
h_temperature.time_type[H_THERMOMETER_POS_YEAR_LSB] = (uint8_t)(t_stamp->year);
h_temperature.time_type[H_THERMOMETER_POS_YEAR_MSB] = (uint8_t)((t_stamp->year)>>8);
h_temperature.time_type[H_THERMOMETER_POS_MOUNTH ] = t_stamp->month ;
h_temperature.time_type[H_THERMOMETER_POS_DAY ] = t_stamp->day ;
h_temperature.time_type[H_THERMOMETER_POS_HOUR ] = t_stamp->hour ;
h_temperature.time_type[H_THERMOMETER_POS_MINUTE ] = t_stamp->minute ;
h_temperature.time_type[H_THERMOMETER_POS_SECOND ] = t_stamp->seconds;
h_temperature.flags |= H_THERMOMETER_FLAGS_T_STAMP_BIT;
return lib_aci_send_data(PIPE_HEALTH_THERMOMETER_TEMPERATURE_MEASUREMENT_TX_ACK, (uint8_t *)&h_temperature,
measurement_size);
}
bool nrf8001_usart_tx(const uint8_t* buffer, uint16_t len) {
return lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, (uint8_t*)buffer, len);
}
void uart_tx()
{
lib_aci_send_data(PIPE_UART_OVER_BTLE_UART_TX_TX, uart_buffer, uart_buffer_len);
aci_state.data_credit_available--;
}