/** @defgroup usart_defines USART Defines
*
* @brief Defined Constants and Types for the STM32F0xx USART
*
* @ingroup STM32F0xx_defines
*
* @version 1.0.0
*
* @date 2 July 2013
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see .
*/
#ifndef LIBOPENCM3_USART_H
#define LIBOPENCM3_USART_H
#include
#include
/*****************************************************************************/
/* Module definitions */
/*****************************************************************************/
#define USART1 USART1_BASE
#define USART2 USART2_BASE
#define USART3 USART3_BASE
#define USART4 USART4_BASE
/*****************************************************************************/
/* Register values */
/*****************************************************************************/
/* USART_CR1 Values ---------------------------------------------------------*/
#define USART_CR1_DEAT_SHIFT 21
#define USART_CR1_DEAT (0x1F << USART_CR1_DEAT_SHIFT)
#define USART_CR1_DEAT_VAL(x) ((x) << USART_CR1_DEAT_SHIFT)
#define USART_CR1_DEDT_SHIFT 16
#define USART_CR1_DEDT (0x1F << USART_CR1_DEDT_SHIFT)
#define USART_CR1_DEDT_VAL(x) ((x) << USART_CR1_DEDT_SHIFT)
/* USART_CR2 Values ---------------------------------------------------------*/
#define USART_CR2_ADD_SHIFT 24
#define USART_CR2_ADD (0xFF << USART_CR2_ADD_SHIFT)
#define USART_CR2_ADD_VAL(x) ((x) << USART_CR2_ADD_SHIFT)
#define USART_CR2_ABRMOD_SHIFT 21
#define USART_CR2_ABRMOD (3 << USART_CR2_ABRMOD_SHIFT)
#define USART_CR2_ABRMOD_STARTBIT (0 << USART_CR2_ABRMOD_SHIFT)
#define USART_CR2_ABRMOD_FALLTOFALL (1 << USART_CR2_ABRMOD_SHIFT)
/* USART_CR3 Values ---------------------------------------------------------*/
#define USART_CR3_SCARCNT_SHIFT 17
#define USART_CR3_SCARCNT (7 << USART_CR3_SCARCNT_SHIFT)
#define USART_CR3_SCARCNT_DISABLE (0 << USART_CR3_SCARCNT_SHIFT)
#define USART_CR3_SCARCNT_VAL(x) ((x) << USART_CR3_SCARCNT_SHIFT)
/* USART_GTPR Values --------------------------------------------------------*/
#define USART_GTPR_GT_SHIFT 8
#define USART_GTPR_GT (0xFF << USART_GTPR_GT_SHIFT)
#define USART_GTPR_GT_VAL(x) ((x) << USART_GTPR_GT_SHIFT)
#define USART_GTPR_PSC_SHIFT 0
#define USART_GTPR_PSC (0xFF << USART_GTPR_PSC_SHIFT)
#define USART_GTPR_PSC_VAL(x) ((x) << USART_GTPR_PSC_SHIFT)
/*****************************************************************************/
/* API Functions */
/*****************************************************************************/
BEGIN_DECLS
END_DECLS
#endif