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able to build with newly added lwip folder

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This commit is contained in:
hathach
2013-09-16 16:38:46 +07:00
parent ba3bd1da9e
commit 1cd2d5cf36
21 changed files with 1944 additions and 1953 deletions
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vendor/lwip/lpclwip/arch/lpc18xx_43xx_systick_arch.c
Vendored
+47 -126
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@@ -1,139 +1,71 @@
/**********************************************************************
* @brief Setups up the LWIP timebase (tick)
*
* @note
* Copyright(C) NXP Semiconductors, 2012
* All rights reserved.
*
* @par
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* LPC products. This software is supplied "AS IS" without any warranties of
* any kind, and NXP Semiconductors and its licensor disclaim any and
* all warranties, express or implied, including all implied warranties of
* merchantability, fitness for a particular purpose and non-infringement of
* intellectual property rights. NXP Semiconductors assumes no responsibility
* or liability for the use of the software, conveys no license or rights under any
* patent, copyright, mask work right, or any other intellectual property rights in
* or to any products. NXP Semiconductors reserves the right to make changes
* in the software without notification. NXP Semiconductors also makes no
* representation or warranty that such application will be suitable for the
* specified use without further testing or modification.
*
* @par
* Permission to use, copy, modify, and distribute this software and its
* documentation is hereby granted, under NXP Semiconductors' and its
* licensor's relevant copyrights in the software, without fee, provided that it
* is used in conjunction with NXP Semiconductors microcontrollers. This
* copyright, permission, and disclaimer notice must appear in all copies of
* this code.
*/
* $Id$ lpc18xx_43xx_systick_arch.c 2011-11-20
*//**
* @file lpc18xx_43xx_systick_arch.c
* @brief Setups up the system tick to generate a reference timebase
* @version 1.0
* @date 20. Nov. 2011
* @author NXP MCU SW Application Team
*
* Copyright(C) 2011, NXP Semiconductor
* All rights reserved.
*
***********************************************************************
* Software that is described herein is for illustrative purposes only
* which provides customers with programming information regarding the
* products. This software is supplied "AS IS" without any warranties.
* NXP Semiconductors assumes no responsibility or liability for the
* use of the software, conveys no license or title under any patent,
* copyright, or mask work right to the product. NXP Semiconductors
* reserves the right to make changes in the software without
* notification. NXP Semiconductors also make no representation or
* warranty that such application will be suitable for the specified
* use without further testing or modification.
**********************************************************************/
#include "lwip/opt.h"
#if NO_SYS == 1
#include "chip.h"
#ifdef LPC43XX
#include "lpc43xx_cgu.h"
#else
#ifdef LPC43XX
#include "lpc18xx_cgu.h"
#else
#error LPC18XX or LPC43XX for target system not defined!
#endif
#endif
#include "lpc_arch.h"
/** @ingroup NET_LWIP_ARCH
/** @defgroup LPC18xx_43xx_systick LPC18xx_43xx LWIP (standalone) timer base
* @ingroup LPC18xx_43xx
* @{
*/
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/* Saved reference period foe standalone mode */
/* Saved reference period */
static uint32_t saved_period;
#if (defined(CHIP_LPC43XX) && defined(CORE_M0))
#define RITIMER_IRQn_PRI (255)
/* RITimer Reload value */
static uint32_t reload_val;
#endif
/* Saved total time in mS since timer was enabled */
static volatile u32_t systick_timems;
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/* Current system clock rate, mainly used for sysTick */
extern uint32_t SystemCoreClock;
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
#if (defined(CHIP_LPC43XX) && defined(CORE_M0))
/* Enable LWIP tick and interrupt */
/* Enable systick rate and interrupt */
void SysTick_Enable(uint32_t period)
{
saved_period = period;
/* Clear any pending interrupt */
Chip_RIT_ClearInt(LPC_RITIMER);
/* Calculate reload value */
reload_val = ( SystemCoreClock / ( 1000 / period ) );
Chip_RIT_SetCOMPVAL(LPC_RITIMER, Chip_RIT_GetCounter(LPC_RITIMER) + reload_val);/* Let it tick */
/* Set the priority and enable the interrupt */
NVIC_SetPriority((IRQn_Type) RITIMER_IRQn, RITIMER_IRQn_PRI);
NVIC_EnableIRQ((IRQn_Type) RITIMER_IRQn);
SysTick_Config(CGU_GetPCLKFrequency(CGU_PERIPHERAL_M4CORE) / (1000 / period));
}
/* Disable LWIP tick */
/* Disable systick */
void SysTick_Disable(void)
{
Chip_RIT_Disable(LPC_RITIMER);
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
}
/**
* @brief RITimer IRQ handler and timebase management
* @return Nothing
* @note This function keeps a timebase for LWIP that can be
* used for other functions.
*/
void RIT_IRQHandler(void)
{
/* Clear RITimer Interrupt, Reload counter value */
Chip_RIT_ClearInt(LPC_RITIMER);
Chip_RIT_SetCOMPVAL(LPC_RITIMER, Chip_RIT_GetCounter(LPC_RITIMER) + reload_val);/* Reload value */
/* Increment tick count */
systick_timems += saved_period;
}
#else
/* Enable LWIP tick and interrupt */
void SysTick_Enable(uint32_t period)
{
saved_period = period;
SysTick_Config((SystemCoreClock * period) / 1000);
}
/* Disable LWIP tick */
void SysTick_Disable(void)
{
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
}
/**
* @brief SysTick IRQ handler and timebase management
* @return Nothing
* @note This function keeps a timebase for LWIP that can be
* used for other functions.
/** \brief SysTick IRQ handler and timebase management
*
* This function keeps a timebase for the sysTick that can be
* used for other functions.
*/
void SysTick_Handler(void)
{
@@ -141,8 +73,6 @@ void SysTick_Handler(void)
systick_timems += saved_period;
}
#endif
/* Get the current systick time in milliSeconds */
uint32_t SysTick_GetMS(void)
{
@@ -154,21 +84,12 @@ void msDelay(uint32_t ms)
{
uint32_t to = ms + systick_timems;
while (to > systick_timems) {}
}
/**
* @brief LWIP standalone mode time support
* @return Returns the current time in mS
* @note Returns the current time in mS. This is needed for the LWIP timers
*/
u32_t sys_now(void)
{
return (u32_t) SysTick_GetMS();
while (to > systick_timems);
}
#endif
/**
* @}
*/
#endif /* NO_SYS == 1 */
/* --------------------------------- End Of File ------------------------------ */