// Construct a dynamic configuration descriptor
// This really needs dynamic endpoint allocation etc
uint32_t USBDeviceClass::sendConfiguration(uint32_t maxlen)
{
uint32_t total = 0;
// Count and measure interfaces
_dry_run = true;
uint8_t interfaces = SendInterfaces(&total);
_Pragma("pack(1)")
ConfigDescriptor config = D_CONFIG((uint16_t)(total + sizeof(ConfigDescriptor)), interfaces);
_Pragma("pack()")
// Now send them
_dry_run = false;
if (maxlen == sizeof(ConfigDescriptor)) {
sendControl(&config, sizeof(ConfigDescriptor));
return true;
}
total = 0;
packMessages(true);
sendControl(&config, sizeof(ConfigDescriptor));
SendInterfaces(&total);
packMessages(false);
return true;
}
static bool
SendConfiguration(int maxlen)
{
InitControl(0);
uint8_t interfaces = SendInterfaces();
ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor), interfaces);
InitControl(maxlen);
USB_SendControl(0,&config,sizeof(ConfigDescriptor));
SendInterfaces();
return (true);
}
// Construct a dynamic configuration descriptor
// This really needs dynamic endpoint allocation etc
// TODO
static
bool SendConfiguration(int maxlen)
{
// Count and measure interfaces
InitControl(0);
int interfaces = SendInterfaces();
ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
// Now send them
InitControl(maxlen);
USB_SendControl(0,&config,sizeof(ConfigDescriptor));
SendInterfaces();
return true;
}
