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RIOT/cpu/stm32l4/include/periph_cpu.h 1.81 KB
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  /*
   * Copyright (C) 2017 Freie Universitรคt 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_stm32l4
   * @{
   *
   * @file
   * @brief           CPU specific definitions for internal peripheral handling
   *
   * @author          Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   */
  
  #ifndef PERIPH_CPU_H
  #define PERIPH_CPU_H
  
  #include "periph_cpu_common.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * @brief   Starting address of the CPU ID
   */
  #define CPUID_ADDR          (0x1fff7590)
  
  /**
   * @brief   Available ports
   */
  enum {
      PORT_A = 0,             /**< port A */
      PORT_B = 1,             /**< port B */
      PORT_C = 2,             /**< port C */
      PORT_D = 3,             /**< port D */
      PORT_E = 4,             /**< port E */
      PORT_F = 5,             /**< port F */
      PORT_G = 6,             /**< port G */
      PORT_H = 7,             /**< port H */
  };
  
  #ifndef DOXYGEN
  /**
   * @brief   Override ADC resolution values
   * @{
   */
  #define HAVE_ADC_RES_T
  typedef enum {
      ADC_RES_6BIT  = (0x3 << 3),     /**< ADC resolution: 6 bit */
      ADC_RES_8BIT  = (0x2 << 3),     /**< ADC resolution: 8 bit */
      ADC_RES_10BIT = (0x1 << 3),     /**< ADC resolution: 10 bit */
      ADC_RES_12BIT = (0x0 << 3),     /**< ADC resolution: 12 bit */
      ADC_RES_14BIT = (0xfe),         /**< not applicable */
      ADC_RES_16BIT = (0xff)          /**< not applicable */
  } adc_res_t;
  /** @} */
  #endif /* ndef DOXYGEN */
  
  /**
   * @brief   ADC line configuration values
   */
  typedef struct {
      gpio_t pin;             /**< pin to use */
      uint8_t chan;           /**< internal channel the pin is connected to */
  } adc_conf_t;
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* PERIPH_CPU_H */
  /** @} */