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95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/*
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* Copyright (C) 2015-2016 Freie Universität Berlin
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* Copyright (C) 2015 Hamburg University of Applied Sciences
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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_stm32l1
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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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* @author Katja Kirstein <katja.kirstein@haw-hamburg.de>
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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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* @name Starting address of the CPU ID
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*/
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#ifdef CPU_MODEL_STM32L151RBA
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#define CPUID_ADDR (0x1ff80050)
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#else
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#define CPUID_ADDR (0x1ff800d0)
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#endif
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/**
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* @brief Available ports on the STM32L1 family
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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 = 6, /**< port F */
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PORT_G = 7, /**< port G */
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PORT_H = 5, /**< port H */
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};
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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 chan; /**< CPU ADC channel connected to the pin */
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} adc_conf_t;
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/**
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* @brief Override the ADC resolution configuration
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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_CR1_RES_0 | ADC_CR1_RES_1), /**< ADC resolution: 6 bit */
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ADC_RES_8BIT = (ADC_CR1_RES_1), /**< ADC resolution: 8 bit */
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ADC_RES_10BIT = (ADC_CR1_RES_0), /**< ADC resolution: 10 bit */
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ADC_RES_12BIT = (0x00), /**< ADC resolution: 12 bit */
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ADC_RES_14BIT = (0xfe), /**< not applicable */
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ADC_RES_16BIT = (0xff) /**< not applicable */
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} adc_res_t;
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/** @} */
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/**
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* @brief I2C configuration data structure
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*/
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typedef struct {
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I2C_TypeDef *dev; /**< i2c device */
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gpio_t scl; /**< scl pin number */
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gpio_t sda; /**< sda pin number */
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gpio_mode_t pin_mode; /**< with or without pull resistor */
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gpio_af_t af; /**< I2C alternate function value */
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uint8_t er_irqn; /**< error IRQ */
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uint8_t ev_irqn; /**< event IRQ */
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} i2c_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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