From: Leandro Lucarella <llucax@gmail.com>
Date: Mon, 5 Dec 2005 06:43:23 +0000 (+0000)
Subject: Cambio el hack feo del retardo por un hack algo menos feo. Además de chequear
X-Git-Tag: 0.1-recibe-matriz-raw-por-udp~33
X-Git-Url: https://git.llucax.com/z.facultad/66.09/etherled.git/commitdiff_plain/c1d6a43781d91a07fccde6c4f9dbbfc78fce2025

Cambio el hack feo del retardo por un hack algo menos feo. Además de chequear
por el flag OVW me fijo si BNRY == CURR antes de resetear la placa.
Con esto anda como piña, la floodeo con todas las ganas y no se resetea nunca.
---

diff --git a/pruebas/keil/red_test_anda/etherdev.c b/pruebas/keil/red_test_anda/etherdev.c
index 4675026..aa8f35f 100644
--- a/pruebas/keil/red_test_anda/etherdev.c
+++ b/pruebas/keil/red_test_anda/etherdev.c
@@ -408,26 +408,36 @@ static void etherdev_reset()
 static unsigned int etherdev_poll(void)
 {
     unsigned int len = 0;
-    // Retardo mega-bizarro, si no lo pongo a veces leo basura del ISR
-    unsigned char j;
-    for (j = 0; j < 0xFF; ++j);
 
     // Check if the rx buffer has overflowed.
     if (etherdev_reg_read(ISR) & OVW)
     {
-        leds1 = ~0x01;
-        leds2 = ~etherdev_reg_read(ISR);
-        sleep(5);
-        leds1 = ~0x02;
-        leds2 = ~etherdev_reg_read(BNRY);
-        sleep(5);
-        leds1 = ~0x04;
+        unsigned char current;
+
+        // Select RTL8019AS register page 1.
         ETHERDEV_SELECT_REG_PAGE(1);
-        leds2 = ~etherdev_reg_read(CURR);
+
+        // Retrieve current receive buffer page
+        current = etherdev_reg_read(CURR);
+
+        // Select RTL8019AS register page 1.
         ETHERDEV_SELECT_REG_PAGE(0);
-        sleep(5);
-        etherdev_reset();
-        len = 0;
+
+        if (etherdev_reg_read(BNRY) == current)
+        {
+
+            leds1 = ~0x01;
+            leds2 = ~etherdev_reg_read(ISR);
+            sleep(5);
+            leds1 = ~0x02;
+            leds2 = ~etherdev_reg_read(BNRY);
+            sleep(5);
+            leds1 = ~0x04;
+            leds2 = ~current;
+            sleep(5);
+
+            etherdev_reset();
+        }
     }
     // Check if there is a packet in the rx buffer.
     else if (etherdev_reg_read(ISR) & PRX)