/**
* @brief User event handler.
* */
static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const * p_inst,
app_usbd_cdc_acm_user_event_t event)
{
app_usbd_cdc_acm_t const * p_cdc_acm = app_usbd_cdc_acm_class_get(p_inst);
switch (event)
{
case APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN:
{
m_port_is_open = true;
/*Setup first transfer*/
ret_code_t ret = app_usbd_cdc_acm_read(&nrf_cli_cdc_acm,
m_rx_buffer,
sizeof(m_rx_buffer));
APP_ERROR_CHECK(ret);
break;
}
case APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE:
m_port_is_open = false;
break;
case APP_USBD_CDC_ACM_USER_EVT_TX_DONE:
break;
case APP_USBD_CDC_ACM_USER_EVT_RX_DONE:
{
/*Get amount of data transfered*/
size_t size = app_usbd_cdc_acm_rx_size(p_cdc_acm);
size_t qsize = nrf_queue_in(&m_rx_queue, m_rx_buffer, size);
ASSERT(size == qsize);
/*Setup next transfer*/
ret_code_t ret = app_usbd_cdc_acm_read(&nrf_cli_cdc_acm,
m_rx_buffer,
sizeof(m_rx_buffer));
ASSERT(ret == NRF_SUCCESS); /*Should not happen*/
break;
}
default:
break;
}
}
static void cdc_acm_user_ev_handler(app_usbd_class_inst_t const * p_inst,
app_usbd_cdc_acm_user_event_t event)
{
app_usbd_cdc_acm_t const * p_cdc_acm = app_usbd_cdc_acm_class_get(p_inst);
switch (event)
{
case APP_USBD_CDC_ACM_USER_EVT_PORT_OPEN:
NRF_LOG_DEBUG("EVT_PORT_OPEN");
if (!m_port_open)
{
ret_code_t ret_code;
m_port_open = true;
do {
ret_code = app_usbd_cdc_acm_read(p_cdc_acm, &m_rx_byte, 1);
if (ret_code == NRF_SUCCESS)
{
ser_phi_hci_rx_byte(m_rx_byte);
}
else if (ret_code != NRF_ERROR_IO_PENDING)
{
APP_ERROR_CHECK(ret_code);
}
} while (ret_code == NRF_SUCCESS);
}
break;
case APP_USBD_CDC_ACM_USER_EVT_PORT_CLOSE:
NRF_LOG_DEBUG("EVT_PORT_CLOSE");
if (m_tx_in_progress)
{
m_ser_phy_hci_slip_event.evt_type = SER_PHY_HCI_SLIP_EVT_PKT_SENT;
m_ser_phy_hci_slip_event_handler(&m_ser_phy_hci_slip_event);
m_tx_in_progress = false;
}
m_port_open = false;
break;
case APP_USBD_CDC_ACM_USER_EVT_TX_DONE:
// If there is a pending transfer (the second buffer is ready to
// be sent), start it immediately.
if (m_tx_pending)
{
APP_ERROR_CHECK(app_usbd_cdc_acm_write(p_cdc_acm,
mp_tx_buf, m_tx_bytes));
// Switch to the buffer that has just been sent completely
// and now can be filled again.
mp_tx_buf = (mp_tx_buf == m_tx_buf0) ? m_tx_buf1 : m_tx_buf0;
m_tx_bytes = 0;
m_ser_phy_hci_slip_event.evt_type = m_tx_evt_type;
m_tx_evt_type = m_tx_pending_evt_type;
m_tx_pending = false;
}
else
{
m_tx_in_progress = false;
m_ser_phy_hci_slip_event.evt_type = m_tx_evt_type;
}
// If needed, notify the upper layer that the packet transfer is
// complete (note that this notification may result in another
// packet send request, so everything must be cleaned up above).
if (m_ser_phy_hci_slip_event.evt_type != NO_EVENT)
{
m_ser_phy_hci_slip_event_handler(&m_ser_phy_hci_slip_event);
}
// And if the sending process is not yet finished, look what is
// to be done next.
if (m_tx_phase != PHASE_IDLE)
{
tx_buf_fill();
}
break;
case APP_USBD_CDC_ACM_USER_EVT_RX_DONE:
{
ret_code_t ret_code;
do
{
ser_phi_hci_rx_byte(m_rx_byte);
ret_code = app_usbd_cdc_acm_read(p_cdc_acm, &m_rx_byte, 1);
} while (ret_code == NRF_SUCCESS);
}
break;
default:
break;
}
}
