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/*
* Copyright (C) 2015 Freie Universitรคt Berlin
*
* 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_cc2538
* @{
*
* @file
* @brief CPU specific definitions for internal peripheral handling
*
* @author Hauke Petersen <hauke.peterse@fu-berlin.de>
*/
#ifndef PERIPH_CPU_H_
#define PERIPH_CPU_H_
#include <stdint.h>
#include "cc2538_gptimer.h"
#include "cc2538_ssi.h"
#include "cc2538_gpio.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Length of the CPU_ID in octets
*/
#define CPUID_LEN (8U)
/**
* @brief Define a custom type for GPIO pins
* @{
*/
#define HAVE_GPIO_T
typedef uint32_t gpio_t;
#define GPIO_PIN(port_num, bit_num) GPIO_PXX_TO_NUM(port_num, bit_num)
/** @} */
/**
* @brief Definition of a fitting UNDEF value
*/
#define GPIO_UNDEF (0xffffffff)
/**
* @brief declare needed generic SPI functions
* @{
*/
#define PERIPH_SPI_NEEDS_TRANSFER_REG
#define PERIPH_SPI_NEEDS_TRANSFER_REGS
/** @} */
typedef struct {
gpio_t scl_pin; /**< pin used for SCL */
gpio_t sda_pin; /**< pin used for SDA */
} i2c_conf_t;
/**
* @brief SPI configuration data structure
*/
#define HAVE_PERIPH_SPI_CONF_T
typedef struct {
cc2538_ssi_t *dev; /**< SSI device */
gpio_t mosi_pin; /**< pin used for MOSI */
gpio_t miso_pin; /**< pin used for MISO */
gpio_t sck_pin; /**< pin used for SCK */
gpio_t cs_pin; /**< pin used for CS */
} periph_spi_conf_t;
/**
* @brief Timer configuration data
*/
typedef struct {
cc2538_gptimer_t *dev; /**< timer device */
uint_fast8_t channels; /**< number of channels */
uint_fast8_t cfg; /**< timer config word */
} timer_conf_t;
#ifdef __cplusplus
}
#endif
#include "periph/dev_enums.h"
#endif /* PERIPH_CPU_H_ */
/** @} */
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