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RIOT/cpu/stm32/include/periph/f4/periph_cpu.h
VanL ee832148b3 cpu/stm32: Add hardening changes to stm32
Initialize STM32 RDP in a glitch-resistant fashion to prevent
debugger use when restrictions are set by the designer.
2021-11-11 15:58:52 -06:00

80 lines
2.2 KiB
C

/*
* Copyright (C) 2015-2016 Freie Universität 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_stm32
* @{
*
* @file
* @brief STM32F4 CPU specific definitions for internal peripheral handling
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef PERIPH_F4_PERIPH_CPU_H
#define PERIPH_F4_PERIPH_CPU_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Available number of ADC devices
*/
#if defined(CPU_LINE_STM32F401xE) || defined(CPU_LINE_STM32F410Rx) \
|| defined(CPU_LINE_STM32F411xE) || defined(CPU_LINE_STM32F412Zx) \
|| defined(CPU_LINE_STM32F413xx) || defined(CPU_LINE_STM32F423xx)
#define ADC_DEVS (1U)
#elif defined(CPU_LINE_STM32F405xx) || defined(CPU_LINE_STM32F407xx) \
|| defined(CPU_LINE_STM32F415xx) || defined(CPU_LINE_STM32F429xx) \
|| defined(CPU_LINE_STM32F437xx) || defined(CPU_LINE_STM32F446xx) \
|| defined(CPU_LINE_STM32F469xx)
#define ADC_DEVS (3U)
#endif
#ifndef DOXYGEN
/**
* @brief Starting address of the ROM bootloader
* see application note AN2606
*/
#if defined(CPU_LINE_STM32F423xx)
#define STM32_BOOTLOADER_ADDR (0x1FF00000)
#else
#define STM32_BOOTLOADER_ADDR (0x1FFF0000)
#endif
/**
* @brief Readout Protection (RDP) option bytes
*/
#define STM32_OPTION_BYTES ((uint32_t*) 0x1FFFC000)
#define GET_RDP(x) ((x & 0xFF00) >> 8)
/**
* @brief Override the ADC resolution configuration
* @{
*/
#define HAVE_ADC_RES_T
typedef enum {
ADC_RES_6BIT = 0x03000000, /**< ADC resolution: 6 bit */
ADC_RES_8BIT = 0x02000000, /**< ADC resolution: 8 bit */
ADC_RES_10BIT = 0x01000000, /**< ADC resolution: 10 bit */
ADC_RES_12BIT = 0x00000000, /**< ADC resolution: 12 bit */
ADC_RES_14BIT = 1, /**< ADC resolution: 14 bit (not supported) */
ADC_RES_16BIT = 2 /**< ADC resolution: 16 bit (not supported)*/
} adc_res_t;
/** @} */
#endif /* ndef DOXYGEN */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_F4_PERIPH_CPU_H */
/** @} */