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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* Copyright (C) 2017 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_stm32l4
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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.petersen@fu-berlin.de>
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*
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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 "periph_cpu_common.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 Starting address of the CPU ID
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*/
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#define CPUID_ADDR (0x1fff7590)
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/**
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* @brief Available ports
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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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PORT_G = 6, /**< port G */
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PORT_H = 7, /**< port H */
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PORT_I = 8, /**< port I */
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};
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/**
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* @brief Available number of ADC devices
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*/
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#if defined(CPU_MODEL_STM32L476RG) || defined(CPU_MODEL_STM32L475VG)
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#define ADC_DEVS (3U)
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#elif defined(CPU_MODEL_STM32L452RE) || defined(CPU_MODEL_STM32L432KC)
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#define ADC_DEVS (1U)
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#endif
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#if defined(CPU_MODEL_STM32L476RG) || defined(CPU_MODEL_STM32L475VG) || \
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defined(CPU_MODEL_STM32L452RE) || defined(CPU_MODEL_STM32L432KC)
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/**
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* @brief ADC voltage regulator start-up time [us]
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*/
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#define ADC_T_ADCVREG_STUP_US (20)
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#endif
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#ifndef DOXYGEN
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/**
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* @brief Override ADC resolution values
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* @{
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*/
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#define HAVE_ADC_RES_T
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typedef enum {
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ADC_RES_6BIT = (ADC_CFGR_RES), /**< ADC resolution: 6 bit */
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ADC_RES_8BIT = (ADC_CFGR_RES_1), /**< ADC resolution: 8 bit */
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ADC_RES_10BIT = (ADC_CFGR_RES_0), /**< ADC resolution: 10 bit */
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ADC_RES_12BIT = (0x0), /**< ADC resolution: 12 bit */
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ADC_RES_14BIT = (0x1), /**< not applicable */
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ADC_RES_16BIT = (0x2) /**< not applicable */
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} adc_res_t;
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/** @} */
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#endif /* ndef DOXYGEN */
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/**
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* @brief ADC channel configuration data
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*/
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typedef struct {
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gpio_t pin; /**< pin connected to the channel */
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uint8_t dev; /**< ADCx - 1 device used for the channel */
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uint8_t chan; /**< CPU ADC channel connected to the pin */
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} adc_conf_t;
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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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