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90 lines
1.8 KiB
C
90 lines
1.8 KiB
C
/*
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* Copyright (C) 2016 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_stm32_common
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* @{
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*
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* @file
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* @brief Shared CPU specific definitions for the STM32 family
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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_COMMON_H
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#define PERIPH_CPU_COMMON_H
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#include "cpu.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 Length of the CPU_ID in octets
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*/
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#define CPUID_LEN (12U)
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/**
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* @brief Use the shared 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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/**
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* @brief Available peripheral buses
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*/
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enum {
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APB1, /**< APB1 bus */
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APB2 /**< APB2 bus */
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};
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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 Enable the given peripheral clock
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*
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* @param[in] bus bus the peripheral is connected to
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* @param[in] mask bit in the RCC enable register
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*/
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void periph_clk_en(uint8_t bus, uint32_t mask);
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/**
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* @brief Disable the given peripheral clock
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*
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* @param[in] bus bus the peripheral is connected to
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* @param[in] mask bit in the RCC enable register
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*/
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void periph_clk_dis(uint8_t bus, uint32_t mask);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CPU_COMMON_H */
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/** @} */
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