1 files changed, 24 insertions, 0 deletions
diff --git a/app/lwip_glue.c b/app/lwip_glue.c
index 065c297..7f63ada 100644
--- a/app/lwip_glue.c
+++ b/app/lwip_glue.c
@@ -33,6 +33,30 @@ void start_lwip (void)
 
 }
 
+static sys_prot_t ethernet_irq_enabled = 1;
+
+sys_prot_t sys_arch_protect (void)
+{
+  sys_prot_t ret;
+
+  nvic_disable_irq (NVIC_ETH_IRQ);
+  compiler_mb();
+
+  ret = ethernet_irq_enabled;
+  ethernet_irq_enabled = 0;
+
+  return ret;
+}
+
+void sys_arch_unprotect (sys_prot_t lev)
+{
+  if (lev) {
+    ethernet_irq_enabled = 1;
+    compiler_mb();
+    nvic_enable_irq (NVIC_ETH_IRQ);
+  }
+}
+