void
rf_router_task(void)
{
if(rf_router_status == RF_ROUTER_INACTIVE)
return;
uint8_t hsec = (uint8_t)ticks;
if(rf_router_status == RF_ROUTER_GOT_DATA) {
uint8_t len = cc1100_readReg(CC1100_RXFIFO);
uint8_t proto = 0;
if(len > 5) {
rb_reset(&TTY_Rx_Buffer);
CC1100_ASSERT;
cc1100_sendbyte( CC1100_READ_BURST | CC1100_RXFIFO );
proto = cc1100_sendbyte(0);
while(--len)
rb_put(&TTY_Rx_Buffer, cc1100_sendbyte(0));
CC1100_DEASSERT;
}
set_txrestore();
rf_router_status = RF_ROUTER_INACTIVE;
if(proto == RF_ROUTER_PROTO_ID) {
uint8_t id;
if(fromhex(TTY_Rx_Buffer.buf, &id, 1) == 1 && // it is for us
id == rf_router_myid) {
if(TTY_Rx_Buffer.buf[4] == 'U') { // "Display" the data
while(TTY_Rx_Buffer.nbytes) // downlink: RFR->CUL
DC(rb_get(&TTY_Rx_Buffer));
DNL();
} else { // uplink: CUL->RFR
TTY_Rx_Buffer.nbytes -= 4; // Skip dest/src bytes
TTY_Rx_Buffer.getoff = 4;
rb_put(&TTY_Rx_Buffer, '\n');
input_handle_func(DISPLAY_RFROUTER); // execute the command
}
} else {
rb_reset(&TTY_Rx_Buffer);
}
}
} else if(rf_router_status == RF_ROUTER_DATA_WAIT) {
uint8_t diff = hsec - rf_router_hsec;
if(diff > 7) { // 3 (delay above) + 3 ( ((4+64)*8)/250kBaud )
set_txrestore();
rf_router_status = RF_ROUTER_INACTIVE;
}
} else if(rf_router_status == RF_ROUTER_SYNC_RCVD) {
ccInitChip(EE_FASTRF_CFG);
ccRX();
rf_router_status = RF_ROUTER_DATA_WAIT;
rf_router_hsec = hsec;
}
}
////////////////////
// Fill data from USB to the RingBuffer and vice-versa
void
CDC_Task(void)
{
static char inCDC_TASK = 0;
if(!USB_IsConnected)
return;
#ifdef ARM
if(!inCDC_TASK){ // USB -> RingBuffer
inCDC_TASK = 1;
output_flush_func = CDC_Task;
input_handle_func(DISPLAY_USB);
inCDC_TASK = 0;
}
if(TTY_Tx_Buffer.nbytes) {
uint16_t i=0;
while(TTY_Tx_Buffer.nbytes && i<DATABUFFERSIZEOUT) {
usbBufferOut[i++]=rb_get(&TTY_Tx_Buffer);
}
while (CDCDSerialDriver_Write(usbBufferOut,i, 0, 0) != USBD_STATUS_SUCCESS);
}
#else
Endpoint_SelectEndpoint(CDC_RX_EPNUM); // First data in
if(!inCDC_TASK && Endpoint_ReadWriteAllowed()){ // USB -> RingBuffer
while (Endpoint_BytesInEndpoint()) { // Discard data on buffer full
rb_put(&TTY_Rx_Buffer, Endpoint_Read_Byte());
}
Endpoint_ClearCurrentBank();
inCDC_TASK = 1;
output_flush_func = CDC_Task;
input_handle_func(DISPLAY_USB);
inCDC_TASK = 0;
}
Endpoint_SelectEndpoint(CDC_TX_EPNUM); // Then data out
if(TTY_Tx_Buffer.nbytes && Endpoint_ReadWriteAllowed()) {
cli();
while(TTY_Tx_Buffer.nbytes &&
(Endpoint_BytesInEndpoint() < USB_BUFSIZE))
Endpoint_Write_Byte(rb_get(&TTY_Tx_Buffer));
sei();
Endpoint_ClearCurrentBank(); // Send the data
}
#endif
}
