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/**
* @file
*
* @ingroup lpc32xx
*
* @brief Global BSP definitions.
*/
/*
* Copyright (c) 2009, 2010
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef LIBBSP_ARM_LPC32XX_BSP_H
#define LIBBSP_ARM_LPC32XX_BSP_H
#include <bspopts.h>
#include <rtems.h>
#include <rtems/console.h>
#include <rtems/clockdrv.h>
#include <bsp/lpc32xx.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define BSP_FEATURE_IRQ_EXTENSION
#ifndef ASM
struct rtems_bsdnet_ifconfig;
/**
* @defgroup lpc32xx LPC32XX Support
*
* @ingroup bsp_kit
*
* @brief LPC32XX support package.
*
* @{
*/
/**
* @brief Network driver attach and detach function.
*/
int lpc_eth_attach_detach(
struct rtems_bsdnet_ifconfig *config,
int attaching
);
/**
* @brief Standard network driver attach and detach function.
*/
#define RTEMS_BSP_NETWORK_DRIVER_ATTACH lpc_eth_attach_detach
/**
* @brief Standard network driver name.
*/
#define RTEMS_BSP_NETWORK_DRIVER_NAME "eth0"
/**
* @brief Optimized idle task.
*
* This idle task sets the power mode to idle. This causes the processor clock
* to be stopped, while on-chip peripherals remain active. Any enabled
* interrupt from a peripheral or an external interrupt source will cause the
* processor to resume execution.
*
* To enable the idle task use the following in the system configuration:
*
* @code
* #include <bsp.h>
*
* #define CONFIGURE_INIT
*
* #define CONFIGURE_IDLE_TASK_BODY lpc32xx_idle
*
* #include <confdefs.h>
* @endcode
*/
void *lpc32xx_idle(uintptr_t ignored);
#define LPC32XX_STANDARD_TIMER (&lpc32xx.timer_1)
static inline unsigned lpc32xx_timer(void)
{
volatile lpc_timer *timer = LPC32XX_STANDARD_TIMER;
return timer->tc;
}
static inline void lpc32xx_micro_seconds_delay(unsigned us)
{
unsigned start = lpc32xx_timer();
unsigned delay = us * (LPC32XX_PERIPH_CLK / 1000000);
unsigned elapsed = 0;
do {
elapsed = lpc32xx_timer() - start;
} while (elapsed < delay);
}
void bsp_restart(void *addr);
#define BSP_CONSOLE_UART_BASE LPC32XX_BASE_UART_5
/**
* @brief Begin of magic zero area.
*
* A read from this area returns zero. Writes have no effect.
*/
extern uint32_t lpc32xx_magic_zero_begin [];
/**
* @brief End of magic zero area.
*
* A read from this area returns zero. Writes have no effect.
*/
extern uint32_t lpc32xx_magic_zero_end [];
/**
* @brief Size of magic zero area.
*
* A read from this area returns zero. Writes have no effect.
*/
extern uint32_t lpc32xx_magic_zero_size [];
/** @} */
/**
* @defgroup lpc LPC Support
*
* @ingroup lpc32xx
*
* @brief LPC support package.
*/
#endif /* ASM */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIBBSP_ARM_LPC32XX_BSP_H */
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