From df51e160c1c3fbbb81ab4a96bec52076df758bee Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 22 Dec 2012 10:19:34 +0000
Subject: Updated lwIP to 1.4.1.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4949 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/various/lwip_bindings/arch/sys_arch.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'os/various')

diff --git a/os/various/lwip_bindings/arch/sys_arch.c b/os/various/lwip_bindings/arch/sys_arch.c
index 0154e5fcc..c788a673b 100644
--- a/os/various/lwip_bindings/arch/sys_arch.c
+++ b/os/various/lwip_bindings/arch/sys_arch.c
@@ -216,3 +216,16 @@ void sys_arch_unprotect(sys_prot_t pval) {
   (void)pval;
   chSysUnlock();
 }
+
+u32_t sys_now(void) {
+
+#if CH_FREQUENCY == 1000
+  return (u32_t)chTimeNow();
+#elif (CH_FREQUENCY / 1000) >= 1 && (CH_FREQUENCY % 1000) == 0
+  return ((u32_t)chTimeNow() - 1) / (CH_FREQUENCY / 1000) + 1;
+#elif (1000 / CH_FREQUENCY) >= 1 && (1000 % CH_FREQUENCY) == 0
+  return ((u32_t)chTimeNow() - 1) * (1000 / CH_FREQUENCY) + 1;
+#else
+  return (u32_t)(((u64_t)(chTimeNow() - 1) * 1000) / CH_FREQUENCY) + 1;
+#endif
+}
-- 
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