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97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_stm32f3
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* @{
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*
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* @file
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* @brief CPU specific definitions for internal peripheral handling
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*
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* @author Hauke Petersen <hauke.peterse@fu-berlin.de>
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*/
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#ifndef PERIPH_CPU_H_
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#define PERIPH_CPU_H_
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#include "cpu.h"
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#include "periph/dev_enums.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Overwrite the default gpio_t type definition
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* @{
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*/
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#define HAVE_GPIO_T
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typedef uint32_t gpio_t;
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/** @} */
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/**
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* @brief Definition of a fitting UNDEF value
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*/
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#define GPIO_UNDEF (0xffffffff)
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/**
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* @brief Define a CPU specific GPIO pin generator macro
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*/
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#define GPIO_PIN(x, y) ((GPIOA_BASE + (x << 10)) | y)
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/**
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* @brief Available ports on the STM32F3 family
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*/
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enum {
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PORT_A = 0, /**< port A */
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PORT_B = 1, /**< port B */
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PORT_C = 2, /**< port C */
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PORT_D = 3, /**< port D */
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PORT_E = 4, /**< port E */
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PORT_F = 5, /**< port F */
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};
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/**
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* @brief Available MUX values for configuring a pin's alternate function
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*
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* For some reason AF13 is not used on this CPU.
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*/
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typedef enum {
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GPIO_AF0 = 0, /**< use alternate function 0 */
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GPIO_AF1, /**< use alternate function 1 */
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GPIO_AF2, /**< use alternate function 2 */
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GPIO_AF3, /**< use alternate function 3 */
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GPIO_AF4, /**< use alternate function 4 */
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GPIO_AF5, /**< use alternate function 5 */
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GPIO_AF6, /**< use alternate function 6 */
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GPIO_AF7, /**< use alternate function 7 */
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GPIO_AF8, /**< use alternate function 8 */
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GPIO_AF9, /**< use alternate function 9 */
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GPIO_AF10, /**< use alternate function 10 */
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GPIO_AF11, /**< use alternate function 11 */
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GPIO_AF12, /**< use alternate function 12 */
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GPIO_AF14, /**< use alternate function 14 */
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GPIO_AF15 /**< use alternate function 14 */
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} gpio_af_t;
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/**
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* @brief declare needed generic SPI functions
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* @{
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*/
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#define PERIPH_SPI_NEEDS_TRANSFER_BYTES
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#define PERIPH_SPI_NEEDS_TRANSFER_REG
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#define PERIPH_SPI_NEEDS_TRANSFER_REGS
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CPU_H_ */
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/** @} */
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