static bool udi_cdc_comm_enable_common(uint8_t port)
{
// Initialize control signal management
udi_cdc_state[PORT] = CPU_TO_LE16(0);
uid_cdc_state_msg[PORT].header.bmRequestType =
USB_REQ_DIR_IN | USB_REQ_TYPE_CLASS |
USB_REQ_RECIP_INTERFACE,
uid_cdc_state_msg[PORT].header.bNotification = USB_REQ_CDC_NOTIFY_SERIAL_STATE,
uid_cdc_state_msg[PORT].header.wValue = LE16(0),
uid_cdc_state_msg[PORT].header.wIndex = LE16(UDI_CDC_COMM_IFACE_NUMBER),
uid_cdc_state_msg[PORT].header.wLength = LE16(2),
uid_cdc_state_msg[PORT].value = CPU_TO_LE16(0);
udi_cdc_line_coding[PORT].dwDTERate = CPU_TO_LE32(UDI_CDC_DEFAULT_RATE);
udi_cdc_line_coding[PORT].bCharFormat = UDI_CDC_DEFAULT_STOPBITS;
udi_cdc_line_coding[PORT].bParityType = UDI_CDC_DEFAULT_PARITY;
udi_cdc_line_coding[PORT].bDataBits = UDI_CDC_DEFAULT_DATABITS;
// Call application callback
// to initialize memories or indicate that interface is enabled
#if UDI_CDC_PORT_NB == 1
UDI_CDC_SET_CODING_EXT((&udi_cdc_line_coding[0]));
return UDI_CDC_ENABLE_EXT();
#else
UDI_CDC_SET_CODING_EXT(port,(&udi_cdc_line_coding[port]));
return UDI_CDC_ENABLE_EXT(port);
#endif
}
bool udi_cdc_comm_enable(void)
{
uint8_t port;
uint8_t iface_comm_num;
#if UDI_CDC_PORT_NB == 1 // To optimize code
port = 0;
udi_cdc_nb_comm_enabled = 0;
#else
if (udi_cdc_nb_comm_enabled > UDI_CDC_PORT_NB) {
udi_cdc_nb_comm_enabled = 0;
}
port = udi_cdc_nb_comm_enabled;
#endif
// Initialize control signal management
udi_cdc_state[port] = CPU_TO_LE16(0);
uid_cdc_state_msg[port].header.bmRequestType =
USB_REQ_DIR_IN | USB_REQ_TYPE_CLASS |
USB_REQ_RECIP_INTERFACE;
uid_cdc_state_msg[port].header.bNotification = USB_REQ_CDC_NOTIFY_SERIAL_STATE;
uid_cdc_state_msg[port].header.wValue = LE16(0);
switch (port) {
#define UDI_CDC_PORT_TO_IFACE_COMM(index, unused) \
case index: \
iface_comm_num = UDI_CDC_COMM_IFACE_NUMBER_##index; \
break;
MREPEAT(UDI_CDC_PORT_NB, UDI_CDC_PORT_TO_IFACE_COMM, ~)
#undef UDI_CDC_PORT_TO_IFACE_COMM
default:
iface_comm_num = UDI_CDC_COMM_IFACE_NUMBER_0;
break;
}
uid_cdc_state_msg[port].header.wIndex = LE16(iface_comm_num);
uid_cdc_state_msg[port].header.wLength = LE16(2);
uid_cdc_state_msg[port].value = CPU_TO_LE16(0);
udi_cdc_line_coding[port].dwDTERate = CPU_TO_LE32(UDI_CDC_DEFAULT_RATE);
udi_cdc_line_coding[port].bCharFormat = UDI_CDC_DEFAULT_STOPBITS;
udi_cdc_line_coding[port].bParityType = UDI_CDC_DEFAULT_PARITY;
udi_cdc_line_coding[port].bDataBits = UDI_CDC_DEFAULT_DATABITS;
// Call application callback
// to initialize memories or indicate that interface is enabled
UDI_CDC_SET_CODING_EXT(port,(&udi_cdc_line_coding[port]));
if (!UDI_CDC_ENABLE_EXT(port)) {
return false;
}
udi_cdc_nb_comm_enabled++;
return true;
}
bool udi_cdc_comm_enable(void)
{
// Initialize control signal management
udi_cdc_state = CPU_TO_LE16(0);
uid_cdc_state_msg.value = CPU_TO_LE16(0);
udi_cdc_line_coding.dwDTERate = CPU_TO_LE32(UDI_CDC_DEFAULT_RATE);
udi_cdc_line_coding.bCharFormat = UDI_CDC_DEFAULT_STOPBITS;
udi_cdc_line_coding.bParityType = UDI_CDC_DEFAULT_PARITY;
udi_cdc_line_coding.bDataBits = UDI_CDC_DEFAULT_DATABITS;
UDI_CDC_SET_CODING_EXT((&udi_cdc_line_coding));
// Call application callback
// to initialize memories or indicate that interface is enabled
return UDI_CDC_ENABLE_EXT();
}