112 lines
3.4 KiB
C
112 lines
3.4 KiB
C
/******************************************************************************
|
|
* The MIT License
|
|
*
|
|
* Copyright (c) 2012 LeafLabs, LLC.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*****************************************************************************/
|
|
|
|
/**
|
|
* @file libmaple/stm32f2/include/series/usart.h
|
|
* @author Marti Bolivar <mbolivar@leaflabs.com>
|
|
* @brief STM32F2 USART support.
|
|
*/
|
|
|
|
#ifndef _LIBMAPLE_STM32F2_USART_H_
|
|
#define _LIBMAPLE_STM32F2_USART_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"{
|
|
#endif
|
|
|
|
#include <libmaple/gpio.h> /* for gpio_af */
|
|
|
|
/*
|
|
* Register map base pointers.
|
|
*/
|
|
|
|
struct usart_reg_map;
|
|
|
|
/** USART1 register map base pointer */
|
|
#define USART1_BASE ((struct usart_reg_map*)0x40011000)
|
|
/** USART2 register map base pointer */
|
|
#define USART2_BASE ((struct usart_reg_map*)0x40004400)
|
|
/** USART3 register map base pointer */
|
|
#define USART3_BASE ((struct usart_reg_map*)0x40004800)
|
|
/** UART4 register map base pointer */
|
|
#define UART4_BASE ((struct usart_reg_map*)0x40004C00)
|
|
/** UART5 register map base pointer */
|
|
#define UART5_BASE ((struct usart_reg_map*)0x40005000)
|
|
/** USART6 register map base pointer */
|
|
#define USART6_BASE ((struct usart_reg_map*)0x40011400)
|
|
|
|
/*
|
|
* F2-only register bit definitions.
|
|
*/
|
|
|
|
/* Control register 1 */
|
|
|
|
/**
|
|
* @brief Oversampling mode bit.
|
|
* Availability: STM32F2. */
|
|
#define USART_CR1_OVER8_BIT 15
|
|
|
|
/**
|
|
* @brief Oversampling mode.
|
|
* Availability: STM32F2. */
|
|
#define USART_CR1_OVER8 (1U << USART_CR1_OVER8_BIT)
|
|
|
|
/* Control register 3 */
|
|
|
|
/** One sample bit method enable bit. */
|
|
#define USART_CR3_ONEBIT_BIT 11
|
|
|
|
/** One bit sample method enable. */
|
|
#define USART_CR3_ONEBIT (1 << USART_CR3_ONEBIT_BIT)
|
|
/** Sample method: Three sample bit method. */
|
|
#define USART_CR3_ONEBIT_3SAMPLE (0 << USART_CR3_ONEBIT_BIT)
|
|
/** Sample method: One sample bit method. */
|
|
#define USART_CR3_ONEBIT_1SAMPLE (1 << USART_CR3_ONEBIT_BIT)
|
|
|
|
/*
|
|
* Devices
|
|
*/
|
|
|
|
struct usart_dev;
|
|
extern struct usart_dev *USART1;
|
|
extern struct usart_dev *USART2;
|
|
extern struct usart_dev *USART3;
|
|
extern struct usart_dev *UART4;
|
|
extern struct usart_dev *UART5;
|
|
extern struct usart_dev *USART6;
|
|
|
|
/*
|
|
* Routines
|
|
*/
|
|
|
|
gpio_af usart_get_af(struct usart_dev *dev);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|