/*
- * Copyright 2007,2008 Free Software Foundation, Inc.
+ * Copyright 2007,2008,2009 Free Software Foundation, Inc.
*
* 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
dsp_rx_regs->rx_command =
MK_RX_CMD(FRAMES_PER_CMD * streaming_items_per_frame,
streaming_items_per_frame,
- 1, 1);
+ 1, 1);
+
+ dsp_rx_regs->rx_time = 0; // enqueue second command
+}
+
+void
+restart_streaming_at(uint32_t time)
+{
+ // setup RX DSP regs
+ dsp_rx_regs->clear_state = 1; // reset
+
+ streaming_p = true;
+ streaming_frame_count = FRAMES_PER_CMD;
+
+ dsp_rx_regs->rx_command =
+ MK_RX_CMD(FRAMES_PER_CMD * streaming_items_per_frame,
+ streaming_items_per_frame,
+ 0, 1); // set "chain" bit
+
+ // kick off the state machine
+ dbsm_start(&dsp_rx_sm);
+
+ dsp_rx_regs->rx_time = time; // enqueue first of two commands
+
+ // make sure this one and the rest have the "now" and "chain" bits set.
+ dsp_rx_regs->rx_command =
+ MK_RX_CMD(FRAMES_PER_CMD * streaming_items_per_frame,
+ streaming_items_per_frame,
+ 1, 1);
dsp_rx_regs->rx_time = 0; // enqueue second command
}
restart_streaming();
}
+void
+start_rx_streaming_at_cmd(const u2_mac_addr_t *host, op_start_rx_streaming_t *p, uint32_t time)
+{
+ host_mac_addr = *host; // remember who we're sending to
+
+ /*
+ * Construct ethernet header and word0 and preload into two buffers
+ */
+ u2_eth_packet_t pkt;
+ memset(&pkt, 0, sizeof(pkt));
+ pkt.ehdr.dst = *host;
+ pkt.ehdr.src = *ethernet_mac_addr();
+ pkt.ehdr.ethertype = U2_ETHERTYPE;
+ u2p_set_word0(&pkt.fixed, 0, 0);
+ // DSP RX will fill in timestamp
+
+ memcpy_wa(buffer_ram(DSP_RX_BUF_0), &pkt, sizeof(pkt));
+ memcpy_wa(buffer_ram(DSP_RX_BUF_1), &pkt, sizeof(pkt));
+
+
+ if (FW_SETS_SEQNO)
+ fw_seqno = 0;
+
+ streaming_items_per_frame = p->items_per_frame;
+ restart_streaming_at(time);
+}
+
void
stop_rx_cmd(void)
* that we didn't handle the packet. A bit of a kludge
* but it should work.
*/
-bool
+bool
fw_sets_seqno_inspector(dbsm_t *sm, int buf_this) // returns false
{
uint32_t *p = buffer_ram(buf_this);
newline();
ethernet_register_link_changed_callback(link_changed_callback);
- putstr("Before ethernet_init()\n");
ethernet_init();
- putstr("After ethernet_init()\n");
-
#if 0
// make bit 15 of Tx gpio's be a s/w output