periph_cpu.h
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/*
* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_lpc2387
* @{
*
* @file
* @brief CPU specific definitions for internal peripheral handling
*
* @author Kaspar Schleiser <kaspar@schleiser.de>
*/
#ifndef PERIPH_CPU_H
#define PERIPH_CPU_H
#include "cpu.h"
#include "periph/dev_enums.h"
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "cpu.h"
/**
* @brief LPC2387 MCU defines
* @{
*/
#define __IO volatile
/**
* @brief Fast GPIO register definition struct
*/
typedef struct {
__IO uint32_t DIR; /**< he */
uint32_t _reserved[3]; /**< really */
__IO uint32_t MASK; /**< wants */
__IO uint32_t PIN; /**< to */
__IO uint32_t SET; /**< know */
__IO uint32_t CLR; /**< everything */
} FIO_PORT_t;
#define FIO_PORTS ((FIO_PORT_t*)FIO_BASE_ADDR)
#define PINSEL ((__IO uint32_t *)(PINSEL_BASE_ADDR))
#define PINMODE ((__IO uint32_t *)(PINSEL_BASE_ADDR + 0x40))
int gpio_init_mux(unsigned pin, unsigned mux);
void gpio_init_states(void);
#define GPIO_PIN(port, pin) (port*32 + pin)
#ifndef DOXYGEN
#define HAVE_GPIO_FLANK_T
typedef enum {
GPIO_FALLING = 1, /**< emit interrupt on falling flank */
GPIO_RISING = 2, /**< emit interrupt on rising flank */
GPIO_BOTH = 3 /**< emit interrupt on both flanks */
} gpio_flank_t;
#endif /* ndef DOXYGEN */
/**
* @brief Number of available timer channels
*/
#define TIMER_CHAN_NUMOF (4U)
/**
* @brief Declare needed generic SPI functions
* @{
*/
#define PERIPH_SPI_NEEDS_INIT_CS
#define PERIPH_SPI_NEEDS_TRANSFER_BYTE
#define PERIPH_SPI_NEEDS_TRANSFER_REG
#define PERIPH_SPI_NEEDS_TRANSFER_REGS
/* @} */
/**
* @brief Override SPI clock speed values
* @{
*/
#define HAVE_SPI_CLK_T
typedef enum {
SPI_CLK_100KHZ = 100, /**< drive the SPI bus with 100KHz */
SPI_CLK_400KHZ = 400, /**< drive the SPI bus with 400KHz */
SPI_CLK_1MHZ = 1000, /**< drive the SPI bus with 1MHz */
SPI_CLK_5MHZ = 5000, /**< drive the SPI bus with 5MHz */
SPI_CLK_10MHZ = 10000 /**< drive the SPI bus with 10MHz */
} spi_clk_t;
/** @} */
/* @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CPU_H */
/** @} */