diff options
Diffstat (limited to 'firmware/zpu/apps')
| -rw-r--r-- | firmware/zpu/apps/txrx_uhd.c | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/firmware/zpu/apps/txrx_uhd.c b/firmware/zpu/apps/txrx_uhd.c index 37aa43b58..5bf8ca725 100644 --- a/firmware/zpu/apps/txrx_uhd.c +++ b/firmware/zpu/apps/txrx_uhd.c @@ -46,27 +46,47 @@ //virtual registers in the firmware to store persistent values static uint32_t fw_regs[8]; -extern uint16_t dsp0_dst_port, err0_dst_port, dsp1_dst_port; - static void handle_udp_data_packet( struct socket_address src, struct socket_address dst, unsigned char *payload, int payload_len ){ - size_t which; - switch(dst.port){ + //handle ICMP destination unreachable + if (payload == NULL) switch(src.port){ + case USRP2_UDP_RX_DSP0_PORT: + //the end continuous streaming command + sr_rx_ctrl0->cmd = 1 << 31; //no samples now + sr_rx_ctrl0->time_secs = 0; + sr_rx_ctrl0->time_ticks = 0; //latch the command + break; + + case USRP2_UDP_RX_DSP1_PORT: + //the end continuous streaming command + sr_rx_ctrl1->cmd = 1 << 31; //no samples now + sr_rx_ctrl1->time_secs = 0; + sr_rx_ctrl1->time_ticks = 0; //latch the command + break; + + case USRP2_UDP_TX_DSP0_PORT: + //end async update packets per second + sr_tx_ctrl->cyc_per_up = 0; + break; + + default: return; + } + + //handle an incoming UDP packet + size_t which = 0; + if (payload != 0) switch(dst.port){ case USRP2_UDP_RX_DSP0_PORT: which = 0; - dsp0_dst_port = src.port; break; case USRP2_UDP_RX_DSP1_PORT: which = 2; - dsp1_dst_port = src.port; break; case USRP2_UDP_TX_DSP0_PORT: which = 1; - err0_dst_port = src.port; break; default: return; @@ -291,7 +311,10 @@ main(void) #endif printf("FPGA compatibility number: %d\n", USRP2_FPGA_COMPAT_NUM); printf("Firmware compatibility number: %d\n", USRP2_FW_COMPAT_NUM); - + + //init readback for firmware minor version number + fw_regs[U2_FW_REG_VER_MINOR] = USRP2_FW_VER_MINOR; + #ifdef BOOTLOADER //load the production FPGA image or firmware if appropriate do_the_bootload_thing(); |