void
#else
uint8_t
#endif
rfm12_tx(uint8_t len, uint8_t type, uint8_t *data)
{
#if RFM12_UART_DEBUG
uart_putstr ("rfm12_tx\r\n");
#endif
if (len > RFM12_TX_BUFFER_SIZE) return TXRETURN(RFM12_TX_ERROR);
//exit if the buffer isn't free
if (ctrl.txstate != STATUS_FREE)
{
return TXRETURN(RFM12_TX_OCCUPIED);
}
memcpy ( rf_tx_buffer.buffer, data, len );
#if (!(RFM12_NORETURNS))
return rfm12_start_tx (type, len);
#else
rfm12_start_tx (type, len);
#endif
}
void
#else
uint8_t
#endif
rfm12_start_tx(uint8_t type, uint8_t length)
{
//exit if the buffer isn't free
if(ctrl.txstate != STATUS_FREE)
return TXRETURN(RFM12_TX_OCCUPIED);
//write airlab header to buffer
rf_tx_buffer.len = length;
rf_tx_buffer.type = type;
rf_tx_buffer.checksum = length ^ type ^ 0xff;
//schedule packet for transmission
ctrl.txstate = STATUS_OCCUPIED;
return TXRETURN(RFM12_TX_ENQUEUED);
}