/** @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