diff options
Diffstat (limited to 'firmware/microblaze/apps/txrx_uhd.c')
| -rw-r--r-- | firmware/microblaze/apps/txrx_uhd.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/txrx_uhd.c b/firmware/microblaze/apps/txrx_uhd.c index 1dd6e80ac..44be2cc9c 100644 --- a/firmware/microblaze/apps/txrx_uhd.c +++ b/firmware/microblaze/apps/txrx_uhd.c @@ -45,6 +45,7 @@ #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 +347,28 @@ 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)); @@ -487,6 +510,7 @@ main(void) 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); // initialize double buffering state machine for ethernet -> DSP Tx |