bool MediaServer::call_http(const http::http_request& /*req*/, const boost::filesystem::path& root, const boost::filesystem::path& rest, http::response& resp)
{
auto media_type = items::main_resource;
if (root == "thumb") media_type = items::thumbnail;
else if (root == "thumb-160") media_type = items::thumbnail_160;
else if (root != "media") return false;
auto item = get_item(rest.string());
if (!item)
return false;
auto info = item->get_media(media_type);
if (!info)
return false;
resp.header().clear(server());
return info->prep_response(resp);
}
int main(void)
{
usi_enable();
spiX_initslave(SPIMODE);
sei();
//Initialize slave
slave_init();
//Let settings catch up
_delay_ms(100);
//An initial packet, not sure what it's for, but the other code had it
prepare_packet("", 0);
spiX_put(0);
unsigned char input;
do{
//Wait for SS
while(!slave_selected());
//Wait for pending transfers
spiX_wait();
//Read first character from master
input = spiX_get();
//Is the master telling us to receive?
//If so, interpret the input and prepare a response packet
if(input == RECEIVE_CHAR)
{
//Retrieve the rest of the packet from master
receive_packet();
//Check integrity
if(!check_integrity())
{
prep_err();
continue;
}
//Lowercase are read operations
if(incoming_packet[1] > 96 && incoming_packet[1] < 127)
{
prep_response(incoming_packet[1]);
}
else
{
do_action(incoming_packet[1]);
}
}
//Is the master telling us that it's ready to receive?
else if(input == SEND_CHAR)
{
//Send the prepared packet
send_packet();
}
if(waiting_measure){
slave_run_measure();
waiting_measure = 0;
}
if(waiting_write){
slave_apply();
waiting_write = 0;
}
} while(1); // Loop forever...
}
