初始化版本

lwip/port/arch/cc.h

@@ -0,0 +1,69 @@
+#ifndef __ARCH_CC_H__
+#define __ARCH_CC_H__
+
+#include <stdint.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+/* Compiler specific types */
+typedef uint8_t     u8_t;
+typedef int8_t      s8_t;
+typedef uint16_t    u16_t;
+typedef int16_t     s16_t;
+typedef uint32_t    u32_t;
+typedef int32_t     s32_t;
+typedef uintptr_t   mem_ptr_t;
+
+/* Formatters for printf */
+#define U16_F "u"
+#define S16_F "d"
+#define X16_F "x"
+#define U32_F "u"
+#define S32_F "d"
+#define X32_F "x"
+#define SZT_F "u"
+#define X8_F  "02x"
+
+/* Endianness (Usually Little Endian for ARM) */
+#ifndef BYTE_ORDER
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+/* Compiler hints for packing structures */
+#if defined(__GNUC__)
+    #define PACK_STRUCT_BEGIN
+    #define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(x) x
+#elif defined(__CC_ARM)
+    #define PACK_STRUCT_BEGIN __packed
+    #define PACK_STRUCT_STRUCT
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(x) x
+#elif defined(__IAR_SYSTEMS_ICC__)
+    #define PACK_STRUCT_BEGIN
+    #define PACK_STRUCT_STRUCT
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(x) x
+    #define PACK_STRUCT_USE_INCLUDES
+#else
+    #define PACK_STRUCT_BEGIN
+    #define PACK_STRUCT_STRUCT
+    #define PACK_STRUCT_END
+    #define PACK_STRUCT_FIELD(x) x
+#endif
+
+/* Platform specific diagnostic output */
+extern void osal_kprintf(const char *fmt, ...);
+#define LWIP_PLATFORM_DIAG(x)   do { osal_kprintf x; } while(0)
+
+/* Assert */
+#define LWIP_PLATFORM_ASSERT(x) do { osal_kprintf("Assertion \"%s\" failed at line %d in %s\n", \
+                                     x, __LINE__, __FILE__); } while(0)
+
+/* Random number generator */
+#define LWIP_RAND() ((u32_t)rand())
+
+#endif /* __ARCH_CC_H__ */

lwip/port/arch/sys_arch.h

@@ -0,0 +1,34 @@
+#ifndef __ARCH_SYS_ARCH_H__
+#define __ARCH_SYS_ARCH_H__
+
+#include "osal.h"
+
+/* LwIP Type Mapping to OSAL Types */
+typedef osal_sem_t      sys_sem_t;
+typedef osal_mutex_t    sys_mutex_t;
+typedef osal_mq_t       sys_mbox_t;
+typedef osal_thread_t   sys_thread_t;
+
+/* LwIP Constants */
+#define SYS_MBOX_NULL   NULL
+#define SYS_SEM_NULL    NULL
+
+/* OSAL returns OSAL_ETIMEOUT, LwIP expects SYS_ARCH_TIMEOUT (usually 0xFFFFFFFF) */
+#define SYS_ARCH_TIMEOUT 0xffffffffUL
+
+/* Protection (Critical Section) */
+typedef uint32_t sys_prot_t;
+
+static inline sys_prot_t sys_arch_protect(void)
+{
+    osal_enter_critical();
+    return 1;
+}
+
+static inline void sys_arch_unprotect(sys_prot_t pval)
+{
+    (void)pval;
+    osal_exit_critical();
+}
+
+#endif /* __ARCH_SYS_ARCH_H__ */