1 files changed, 0 insertions, 149 deletions
diff --git a/firmware/x300/lib/udp_uart.c b/firmware/x300/lib/udp_uart.c
deleted file mode 100644
index d078aa2c3..000000000
--- a/firmware/x300/lib/udp_uart.c
+++ /dev/null
@@ -1,149 +0,0 @@
-/*
- * Copyright 2011-2013 Ettus Research LLC
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <wb_uart.h>
-#include <udp_uart.h>
-#include <u3_net_stack.h>
-
-/***********************************************************************
- * Constants
- **********************************************************************/
-#define MAX_NUM_UARTS 4
-
-static const size_t num_idle_cyc_b4_flush = 22;
-
-/***********************************************************************
- * Globals
- **********************************************************************/
-typedef struct
-{
-    uint32_t uart_base;
-    struct ip_addr host_addr;
-    int host_ethno;
-    uint16_t host_port;
-    uint16_t local_port;
-    __attribute__ ((aligned (16))) uint8_t buf[256];
-    size_t len; //length of buffer
-    size_t cyc; //idle cycle count
-} udp_uart_state_t;
-
-static udp_uart_state_t _states[MAX_NUM_UARTS];
-
-static int udp_uart_lookup(const uint16_t port)
-{
-    for (size_t i = 0; i < MAX_NUM_UARTS; i++)
-    {
-        if (_states[i].local_port == port) return i;
-    }
-    return -1;
-}
-
-/***********************************************************************
- * UDP handler for UARTs
- **********************************************************************/
-static void handle_uart_data_packet(
-    const uint8_t ethno,
-    const struct ip_addr *src, const struct ip_addr *dst,
-    const uint16_t src_port, const uint16_t dst_port,
-    const void *buff, const size_t num_bytes
-){
-    //handle ICMP destination unreachable
-    if (buff == NULL)
-    {
-        const size_t which = udp_uart_lookup(src_port);
-        if (which == -1) return;
-        _states[which].host_port = 0;
-    }
-
-    //handle a regular blocking UART write
-    else
-    {
-        const size_t which = udp_uart_lookup(dst_port);
-        if (which == -1) return;
-        _states[which].host_ethno = ethno;
-        _states[which].host_addr = *src;
-        _states[which].host_port = src_port;
-        for (size_t i = 0; i < num_bytes; i++)
-        {
-            const char ch = ((const char *)buff)[i];
-            if (ch == '\n') wb_uart_putc(_states[which].uart_base, (int)'\r');
-            wb_uart_putc(_states[which].uart_base, (int)ch);
-            udp_uart_poll();
-        }
-    }
-}
-
-/***********************************************************************
- * Public init function
- **********************************************************************/
-void udp_uart_init(const uint32_t uart_base, const uint16_t udp_port)
-{
-    for (size_t i = 0; i < MAX_NUM_UARTS; i++)
-    {
-        if (_states[i].uart_base != 0) continue;
-        _states[i].uart_base = uart_base;
-        _states[i].local_port = udp_port;
-        _states[i].host_port = 0; //reset to null port
-        _states[i].len = 0;
-        _states[i].cyc = 0;
-        u3_net_stack_register_udp_handler(udp_port, &handle_uart_data_packet);
-        return;
-    }
-}
-
-/***********************************************************************
- * Public poll function
- **********************************************************************/
-void udp_uart_poll(void)
-{
-    for (size_t i = 0; i < MAX_NUM_UARTS; i++)
-    {
-        if (_states[i].uart_base == 0) continue;
-
-        bool newline = false;
-        udp_uart_state_t *state = &_states[i];
-
-        //read all characters we can without blocking
-        for (size_t j = state->len; j < sizeof(state->buf); j++)
-        {
-            int ret = wb_uart_getc(state->uart_base);
-            if (ret == -1) break;
-            char ch = (char) ret;
-            if (ch == '\n' || ch == '\r') newline = true;
-            state->buf[j] = ch;
-            state->len++;
-            state->cyc = 0; //reset idle cycles
-        }
-
-        //nothing in buffer, continue to next uart
-        if (state->len == 0) continue;
-
-        //send out a message if newline or forced flush
-        if (newline || state->cyc++ > num_idle_cyc_b4_flush)
-        {
-            if (state->host_port != 0) u3_net_stack_send_udp_pkt(
-                state->host_ethno,
-                &state->host_addr,
-                state->local_port,
-                state->host_port,
-                state->buf, state->len
-            );
-            state->len = 0;
-            state->cyc = 0;
-        }
-    }
-}