diff options
Diffstat (limited to 'firmware/microblaze/apps/txrx_uhd.c')
| -rw-r--r-- | firmware/microblaze/apps/txrx_uhd.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c index b7837f207..9c1873e1c 100644 --- a/firmware/microblaze/apps/txrx_uhd.c +++ b/firmware/microblaze/apps/txrx_uhd.c @@ -42,9 +42,11 @@ #include <string.h> #include "clocks.h" #include "usrp2/fw_common.h" +#include <i2c_async.h> #include <i2c.h> #include <ethertype.h> #include <arp_cache.h> +#include "udp_fw_update.h" /* * Full duplex Tx and Rx between ethernet and DSP pipelines @@ -346,6 +348,28 @@ void handle_udp_ctrl_packet( send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); break; + case USRP2_CTRL_ID_SO_LIKE_CAN_YOU_READ_THIS_UART_BRO:{ + //executes a readline()-style read, up to num_bytes long, up to and including newline + int num_bytes = ctrl_data_in->data.uart_args.bytes; + if(num_bytes > 20) num_bytes = 20; + num_bytes = fngets_timeout(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_out.data.uart_args.data, num_bytes); + ctrl_data_out.id = USRP2_CTRL_ID_I_HELLA_READ_THAT_UART_DUDE; + ctrl_data_out.data.uart_args.bytes = num_bytes; + break; + } + + case USRP2_CTRL_ID_HEY_WRITE_THIS_UART_FOR_ME_BRO:{ + int num_bytes = ctrl_data_in->data.uart_args.bytes; + if(num_bytes > 20) num_bytes = 20; + //before we write to the UART, we flush the receive buffer + //this assumes that we're interested in the reply + hal_uart_rx_flush(ctrl_data_in->data.uart_args.dev); + fnputstr(ctrl_data_in->data.uart_args.dev, (char *) ctrl_data_in->data.uart_args.data, num_bytes); + ctrl_data_out.id = USRP2_CTRL_ID_MAN_I_TOTALLY_WROTE_THAT_UART_DUDE; + ctrl_data_out.data.uart_args.bytes = num_bytes; + break; + } + default: ctrl_data_out.id = USRP2_CTRL_ID_HUH_WHAT; send_udp_pkt(USRP2_UDP_CTRL_PORT, src, &ctrl_data_out, sizeof(ctrl_data_out)); @@ -372,7 +396,7 @@ eth_pkt_inspector(dbsm_t *sm, int bufno) // In the future, a hardware state machine will do this... if ( //warning! magic numbers approaching.... (((buff + ((2 + 14 + 20)/sizeof(uint32_t)))[0] & 0xffff) == USRP2_UDP_DATA_PORT) && - ((buff + ((2 + 14 + 20 + 8)/sizeof(uint32_t)))[0] != USRP2_INVALID_VRT_HEADER) + ((buff + ((2 + 14 + 20 + 8)/sizeof(uint32_t)))[1] != USRP2_INVALID_VRT_HEADER) ) return false; //test if its an ip recovery packet @@ -473,6 +497,16 @@ main(void) { u2_init(); +//we do this to see if we should set a default ip addr or not +#ifdef USRP2P + bool safe_fw = find_safe_booted_flag(); + set_safe_booted_flag(0); + if(safe_fw) { + set_default_ip_addr(); + set_default_mac_addr(); + } +#endif + putstr("\nTxRx-NEWETH\n"); print_mac_addr(ethernet_mac_addr()->addr); newline(); @@ -483,10 +517,11 @@ main(void) //1) register the addresses into the network stack register_mac_addr(ethernet_mac_addr()); register_ip_addr(get_ip_addr()); - + //2) register callbacks for udp ports we service register_udp_listener(USRP2_UDP_CTRL_PORT, handle_udp_ctrl_packet); register_udp_listener(USRP2_UDP_DATA_PORT, handle_udp_data_packet); + register_udp_listener(USRP2_UDP_UPDATE_PORT, handle_udp_fw_update_packet); //3) setup ethernet hardware to bring the link up ethernet_register_link_changed_callback(link_changed_callback); |