From 412308b39d8414dc7d97a31b09e0bc8c2b0334a5 Mon Sep 17 00:00:00 2001
From: occheung <dc@m-labs.hk>
Date: Fri, 11 Sep 2020 17:36:41 +0800
Subject: [PATCH] tcp_client: minor change

---
 examples/tcp_client.rs  | 35 ++++++++++++++++++++++++++---------
 examples/util/logger.rs |  2 +-
 2 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/examples/tcp_client.rs b/examples/tcp_client.rs
index adce952..0666f11 100644
--- a/examples/tcp_client.rs
+++ b/examples/tcp_client.rs
@@ -37,6 +37,7 @@ use rtic::cyccnt::{Instant, U32Ext};
 use log::info;
 use log::debug;
 use log::trace;
+use log::warn;
 
 use nb::block;
 
@@ -113,7 +114,7 @@ fn main() -> ! {
     let mut green_led = gpiob.pb0.into_push_pull_output();
     green_led.set_low().unwrap();
 
-    gpiob.pb3.into_alternate_af0().set_speed(Speed::VeryHigh);
+    // gpiob.pb3.into_alternate_af0().set_speed(Speed::VeryHigh);
 
     logger::init();
 
@@ -148,11 +149,11 @@ fn main() -> ! {
 
     let mut neighbor_cache_entries = [None; 8];
     let mut neighbor_cache = net::iface::NeighborCache::new(&mut neighbor_cache_entries[..]);
-    // neighbor_cache.fill(
-    //     net::wire::IpAddress::v4(192, 168, 1, 125),
-    //     net::wire::EthernetAddress([0x2C, 0xF0, 0x5D, 0x26, 0xB8, 0x2F]),
-    //     clock.elapsed(),
-    // );
+    neighbor_cache.fill(
+        net::wire::IpAddress::v4(192, 168, 1, 125),
+        net::wire::EthernetAddress([0x2C, 0xF0, 0x5D, 0x26, 0xB8, 0x2F]),
+        clock.elapsed(),
+    );
 
     let mut net_interface = net::iface::EthernetInterfaceBuilder::new(eth_dma)
         .ethernet_addr(mac_addr)
@@ -231,6 +232,11 @@ fn main() -> ! {
     red_led.set_high().unwrap();
 
     let mut green = true;
+    // let mut eth_status = 0;
+    // unsafe {
+    //     eth_status = (*pac::ETHERNET_MAC::ptr()).macdr.read().bits();
+    //     debug!("eth_status: {:X}", eth_status);
+    // }
 
     loop {
         // let timestamp = net::time::Instant::from_millis(TIME.load(Ordering::Relaxed) as i64);
@@ -241,6 +247,17 @@ fn main() -> ! {
             }
         }
 
+        // unsafe {
+        //     // let p = &DES_RING as *const _;
+        //     // let tdeses = core::ptr::read_volatile(p as *const [u32; 16]);
+        //     // debug!("{:X?}", core::ptr::read_volatile(tdeses[0] as *const [u32; 20]))
+        //     let new_eth_status = (*pac::ETHERNET_MAC::ptr()).macdr.read().bits();
+        //     if new_eth_status != eth_status {
+        //         eth_status = new_eth_status;
+        //         debug!("eth_status: {:X}", eth_status);
+        //     }
+        // }
+
         {
             let mut socket = sockets.get::<net::socket::TcpSocket>(handle);
 
@@ -267,9 +284,9 @@ fn main() -> ! {
                 continue;
             }
             Some(time_delay) => {
-                // green_led.set_low().unwrap();
-                // delay.delay_ms(time_delay.total_millis() as u32);
-                // green_led.set_high().unwrap();
+                green_led.set_low().unwrap();
+                delay.delay_ms(time_delay.total_millis() as u32);
+                green_led.set_high().unwrap();
                 clock.advance(time_delay)
             },
             None => {
diff --git a/examples/util/logger.rs b/examples/util/logger.rs
index 356b4de..c6ab530 100644
--- a/examples/util/logger.rs
+++ b/examples/util/logger.rs
@@ -26,7 +26,7 @@ pub unsafe fn enable_itm(
     *(0x5c00_4fb0 as *mut u32) = 0xC5ACCE55;
 
     // SWO CODR Register: Set SWO speed
-    *(0x5c00_3010 as *mut _) = 199;
+    *(0x5c00_3010 as *mut _) = 200;
 
     // SWO SPPR Register:
     // 1 = Manchester