bool hal_aci_tl_event_get(hal_aci_data_t *p_aci_data)
{
bool was_full = m_aci_q_is_full(&aci_rx_q);
if (m_aci_q_dequeue(&aci_rx_q, p_aci_data))
{
if (true == aci_debug_print)
{
Serial.print(" E");
m_print_aci_data(p_aci_data);
}
if (was_full)
{
if (true == a_pins_local_ptr->interface_is_interrupt)
{
/* Enable RDY line interrupt again */
//EIMSK |= (0x2); //AVR Specific - PIC32,DUE,STM32 todo
}
}
return true;
}
else
{
return false;
}
}
bool hal_aci_tl_event_get(hal_aci_data_t *p_aci_data)
{
bool was_full = m_aci_q_is_full(&aci_rx_q);
if (m_aci_q_dequeue(&aci_rx_q, p_aci_data))
{
if (true == aci_debug_print)
{
Serial.print(" E");
m_print_aci_data(p_aci_data);
}
if (was_full)
{
toggle_eimsk(true);
}
return true;
}
else
{
return false;
}
}
hal_aci_data_t * hal_aci_tl_poll_get(void)
{
uint8_t byte_cnt;
uint8_t byte_sent_cnt;
uint8_t max_bytes;
hal_aci_data_t data_to_send;
digitalWrite(a_pins_local_ptr->reqn_pin, 0);
// Receive from queue
if (m_aci_q_dequeue(&aci_tx_q, &data_to_send) == false)
{
/* queue was empty, nothing to send */
data_to_send.status_byte = 0;
data_to_send.buffer[0] = 0;
}
//Change this if your mcu has DMA for the master SPI
// Send length, receive header
byte_sent_cnt = 0;
//Byte at index 0 sent, byte from slave is the status byte
received_data.status_byte = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
// Send first byte, receive length from slave
received_data.buffer[0] = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
if (0 == data_to_send.buffer[0])
{
max_bytes = received_data.buffer[0];
}
else
{
// Set the maximum to the biggest size. One command byte is already sent
max_bytes = (received_data.buffer[0] > (data_to_send.buffer[0] - 1))
? received_data.buffer[0] : (data_to_send.buffer[0] - 1);
}
if (max_bytes > HAL_ACI_MAX_LENGTH)
{
max_bytes = HAL_ACI_MAX_LENGTH;
}
// Transmit/receive the rest of the packet
for (byte_cnt = 0; byte_cnt < max_bytes; byte_cnt++)
{
received_data.buffer[byte_cnt+1] = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
}
//REQN/SS is set to high
digitalWrite(a_pins_local_ptr->reqn_pin, 1);
//RDYN should automatically follow the REQN line in approx 100ns
//sleep_enable();
if (a_pins_local_ptr->interface_is_interrupt)
{
attachInterrupt(a_pins_local_ptr->interrupt_number, m_rdy_line_handle, LOW);
}
if (false == m_aci_q_is_empty(&aci_tx_q))
{
//Lower the REQN line to start a new ACI transaction
digitalWrite(a_pins_local_ptr->reqn_pin, 0);
}
/* valid Rx available or transmit finished*/
return (&received_data);
}
hal_aci_data_t * hal_aci_tl_poll_get(void)
{
uint8_t byte_cnt;
uint8_t byte_sent_cnt;
uint8_t max_bytes;
hal_aci_data_t data_to_send;
//SPI.begin();
HAL_IO_SET_STATE(HAL_IO_RADIO_REQN, 0);
// Receive from queue
if (m_aci_q_dequeue(&aci_tx_q, &data_to_send) == false)
{
/* queue was empty, nothing to send */
data_to_send.status_byte = 0;
data_to_send.buffer[0] = 0;
}
//Change this if your mcu has DMA for the master SPI
// Send length, receive header
byte_sent_cnt = 0;
received_data.status_byte = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
// Send first byte, receive length from slave
received_data.buffer[0] = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
if (0 == data_to_send.buffer[0])
{
max_bytes = received_data.buffer[0];
}
else
{
// Set the maximum to the biggest size. One command byte is already sent
max_bytes = (received_data.buffer[0] > (data_to_send.buffer[0] - 1))
? received_data.buffer[0] : (data_to_send.buffer[0] - 1);
}
if (max_bytes > HAL_ACI_MAX_LENGTH)
{
max_bytes = HAL_ACI_MAX_LENGTH;
}
// Transmit/receive the rest of the packet
for (byte_cnt = 0; byte_cnt < max_bytes; byte_cnt++)
{
received_data.buffer[byte_cnt+1] = spi_readwrite(data_to_send.buffer[byte_sent_cnt++]);
}
HAL_IO_SET_STATE(HAL_IO_RADIO_REQN, 1);
//SPI.end();
//RDYN should follow the REQN line in approx 100ns
sleep_enable();
attachInterrupt(HAL_IO_RADIO_IRQ, m_rdy_line_handle, LOW);
if (false == m_aci_q_is_empty(&aci_tx_q))
{
//Lower the REQN line to start a new ACI transaction
HAL_IO_SET_STATE(HAL_IO_RADIO_REQN, 0);
}
/* valid Rx available or transmit finished*/
return (&received_data);
}