periph_cpu.h

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/*
 * SPDX-FileCopyrightText: 2017 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif

#if defined(ADC3)
#  define ADC_DEVS          (3U)
#elif defined(ADC2)
#  define ADC_DEVS          (2U)
#elif defined(ADC1)
#  define ADC_DEVS          (1U)
#else
#  error "Can't determine the number of ADC devices"
#endif
 
#if defined(CPU_MODEL_STM32L412KB) || defined(CPU_MODEL_STM32L432KC) || \
    defined(CPU_MODEL_STM32L452CE) || defined(CPU_MODEL_STM32L452RE) || \
    defined(CPU_MODEL_STM32L475VG) || defined(CPU_MODEL_STM32L476RG) || \
    defined(CPU_MODEL_STM32L476VG) || defined(CPU_MODEL_STM32L496AG) || \
    defined(CPU_MODEL_STM32L496ZG) || defined(CPU_MODEL_STM32L4R5ZI)
#  define ADC_T_ADCVREG_STUP_US (20)
#endif
 
#ifndef DOXYGEN
 
/* see drivers/include/periph/rtt.h */
#  define RTT_MIN_OFFSET (4U)

#  define STM32_BOOTLOADER_ADDR (0x1FFF0000)

#  define HAVE_ADC_RES_T
typedef enum {
    ADC_RES_6BIT  = (ADC_CFGR_RES),     
    ADC_RES_8BIT  = (ADC_CFGR_RES_1),   
    ADC_RES_10BIT = (ADC_CFGR_RES_0),   
    ADC_RES_12BIT = (0x00),             
    ADC_RES_14BIT = (0xfe), 
    ADC_RES_16BIT = (0xff)  
} adc_res_t;

#  define VBAT_ADC_RES      ADC_RES_12BIT
#  define VBAT_ADC_MAX      4095
 
#endif /* ndef DOXYGEN */
 
#ifdef __cplusplus
}
#endif