Peter Drescher / mbed-F401

mbed library with additional peripherals for ST F401 board

Fork of mbed-src by mbed official

This mbed LIB has additional peripherals for ST F401 board

  • UART2 : PA_3 rx, PA_2 tx
  • UART3 : PC_7 rx, PC_6 tx
  • I2C2 : PB_3 SDA, PB_10 SCL
  • I2C3 : PB_4 SDA, PA_8 SCL

targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/stm32f10x_iwdg.c@70:c1fbde68b492, 2014-01-07 (annotated)

Committer:
mbed_official
Date:
Tue Jan 07 11:00:05 2014 +0000
Revision:
70:c1fbde68b492
Parent:
52:a51c77007319
Child:
84:f54042cbc282
Synchronized with git revision 3f438a307904431f2782db3c8fa49946b9fc1d85



Full URL: https://github.com/mbedmicro/mbed/commit/3f438a307904431f2782db3c8fa49946b9fc1d85/



[NUCLEO_F103RB] license text changed + sleep hal updated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 52:a51c77007319 1 /**
mbed_official 52:a51c77007319 2 ******************************************************************************
mbed_official 52:a51c77007319 3 * @file stm32f10x_iwdg.c
mbed_official 52:a51c77007319 4 * @author MCD Application Team
mbed_official 52:a51c77007319 5 * @version V3.5.0
mbed_official 52:a51c77007319 6 * @date 11-March-2011
mbed_official 52:a51c77007319 7 * @brief This file provides all the IWDG firmware functions.
mbed_official 70:c1fbde68b492 8 *******************************************************************************
mbed_official 70:c1fbde68b492 9 * Copyright (c) 2014, STMicroelectronics
mbed_official 70:c1fbde68b492 10 * All rights reserved.
mbed_official 70:c1fbde68b492 11 *
mbed_official 70:c1fbde68b492 12 * Redistribution and use in source and binary forms, with or without
mbed_official 70:c1fbde68b492 13 * modification, are permitted provided that the following conditions are met:
mbed_official 70:c1fbde68b492 14 *
mbed_official 70:c1fbde68b492 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 70:c1fbde68b492 16 * this list of conditions and the following disclaimer.
mbed_official 70:c1fbde68b492 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 70:c1fbde68b492 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 70:c1fbde68b492 19 * and/or other materials provided with the distribution.
mbed_official 70:c1fbde68b492 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 70:c1fbde68b492 21 * may be used to endorse or promote products derived from this software
mbed_official 70:c1fbde68b492 22 * without specific prior written permission.
mbed_official 70:c1fbde68b492 23 *
mbed_official 70:c1fbde68b492 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 70:c1fbde68b492 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 70:c1fbde68b492 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 70:c1fbde68b492 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 70:c1fbde68b492 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 70:c1fbde68b492 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 70:c1fbde68b492 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 70:c1fbde68b492 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 70:c1fbde68b492 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 70:c1fbde68b492 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 70:c1fbde68b492 34 *******************************************************************************
mbed_official 70:c1fbde68b492 35 */
mbed_official 52:a51c77007319 36
mbed_official 52:a51c77007319 37 /* Includes ------------------------------------------------------------------*/
mbed_official 52:a51c77007319 38 #include "stm32f10x_iwdg.h"
mbed_official 52:a51c77007319 39
mbed_official 52:a51c77007319 40 /** @addtogroup STM32F10x_StdPeriph_Driver
mbed_official 52:a51c77007319 41 * @{
mbed_official 52:a51c77007319 42 */
mbed_official 52:a51c77007319 43
mbed_official 52:a51c77007319 44 /** @defgroup IWDG
mbed_official 52:a51c77007319 45 * @brief IWDG driver modules
mbed_official 52:a51c77007319 46 * @{
mbed_official 52:a51c77007319 47 */
mbed_official 52:a51c77007319 48
mbed_official 52:a51c77007319 49 /** @defgroup IWDG_Private_TypesDefinitions
mbed_official 52:a51c77007319 50 * @{
mbed_official 52:a51c77007319 51 */
mbed_official 52:a51c77007319 52
mbed_official 52:a51c77007319 53 /**
mbed_official 52:a51c77007319 54 * @}
mbed_official 52:a51c77007319 55 */
mbed_official 52:a51c77007319 56
mbed_official 52:a51c77007319 57 /** @defgroup IWDG_Private_Defines
mbed_official 52:a51c77007319 58 * @{
mbed_official 52:a51c77007319 59 */
mbed_official 52:a51c77007319 60
mbed_official 52:a51c77007319 61 /* ---------------------- IWDG registers bit mask ----------------------------*/
mbed_official 52:a51c77007319 62
mbed_official 52:a51c77007319 63 /* KR register bit mask */
mbed_official 52:a51c77007319 64 #define KR_KEY_Reload ((uint16_t)0xAAAA)
mbed_official 52:a51c77007319 65 #define KR_KEY_Enable ((uint16_t)0xCCCC)
mbed_official 52:a51c77007319 66
mbed_official 52:a51c77007319 67 /**
mbed_official 52:a51c77007319 68 * @}
mbed_official 52:a51c77007319 69 */
mbed_official 52:a51c77007319 70
mbed_official 52:a51c77007319 71 /** @defgroup IWDG_Private_Macros
mbed_official 52:a51c77007319 72 * @{
mbed_official 52:a51c77007319 73 */
mbed_official 52:a51c77007319 74
mbed_official 52:a51c77007319 75 /**
mbed_official 52:a51c77007319 76 * @}
mbed_official 52:a51c77007319 77 */
mbed_official 52:a51c77007319 78
mbed_official 52:a51c77007319 79 /** @defgroup IWDG_Private_Variables
mbed_official 52:a51c77007319 80 * @{
mbed_official 52:a51c77007319 81 */
mbed_official 52:a51c77007319 82
mbed_official 52:a51c77007319 83 /**
mbed_official 52:a51c77007319 84 * @}
mbed_official 52:a51c77007319 85 */
mbed_official 52:a51c77007319 86
mbed_official 52:a51c77007319 87 /** @defgroup IWDG_Private_FunctionPrototypes
mbed_official 52:a51c77007319 88 * @{
mbed_official 52:a51c77007319 89 */
mbed_official 52:a51c77007319 90
mbed_official 52:a51c77007319 91 /**
mbed_official 52:a51c77007319 92 * @}
mbed_official 52:a51c77007319 93 */
mbed_official 52:a51c77007319 94
mbed_official 52:a51c77007319 95 /** @defgroup IWDG_Private_Functions
mbed_official 52:a51c77007319 96 * @{
mbed_official 52:a51c77007319 97 */
mbed_official 52:a51c77007319 98
mbed_official 52:a51c77007319 99 /**
mbed_official 52:a51c77007319 100 * @brief Enables or disables write access to IWDG_PR and IWDG_RLR registers.
mbed_official 52:a51c77007319 101 * @param IWDG_WriteAccess: new state of write access to IWDG_PR and IWDG_RLR registers.
mbed_official 52:a51c77007319 102 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 103 * @arg IWDG_WriteAccess_Enable: Enable write access to IWDG_PR and IWDG_RLR registers
mbed_official 52:a51c77007319 104 * @arg IWDG_WriteAccess_Disable: Disable write access to IWDG_PR and IWDG_RLR registers
mbed_official 52:a51c77007319 105 * @retval None
mbed_official 52:a51c77007319 106 */
mbed_official 52:a51c77007319 107 void IWDG_WriteAccessCmd(uint16_t IWDG_WriteAccess)
mbed_official 52:a51c77007319 108 {
mbed_official 52:a51c77007319 109 /* Check the parameters */
mbed_official 52:a51c77007319 110 assert_param(IS_IWDG_WRITE_ACCESS(IWDG_WriteAccess));
mbed_official 52:a51c77007319 111 IWDG->KR = IWDG_WriteAccess;
mbed_official 52:a51c77007319 112 }
mbed_official 52:a51c77007319 113
mbed_official 52:a51c77007319 114 /**
mbed_official 52:a51c77007319 115 * @brief Sets IWDG Prescaler value.
mbed_official 52:a51c77007319 116 * @param IWDG_Prescaler: specifies the IWDG Prescaler value.
mbed_official 52:a51c77007319 117 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 118 * @arg IWDG_Prescaler_4: IWDG prescaler set to 4
mbed_official 52:a51c77007319 119 * @arg IWDG_Prescaler_8: IWDG prescaler set to 8
mbed_official 52:a51c77007319 120 * @arg IWDG_Prescaler_16: IWDG prescaler set to 16
mbed_official 52:a51c77007319 121 * @arg IWDG_Prescaler_32: IWDG prescaler set to 32
mbed_official 52:a51c77007319 122 * @arg IWDG_Prescaler_64: IWDG prescaler set to 64
mbed_official 52:a51c77007319 123 * @arg IWDG_Prescaler_128: IWDG prescaler set to 128
mbed_official 52:a51c77007319 124 * @arg IWDG_Prescaler_256: IWDG prescaler set to 256
mbed_official 52:a51c77007319 125 * @retval None
mbed_official 52:a51c77007319 126 */
mbed_official 52:a51c77007319 127 void IWDG_SetPrescaler(uint8_t IWDG_Prescaler)
mbed_official 52:a51c77007319 128 {
mbed_official 52:a51c77007319 129 /* Check the parameters */
mbed_official 52:a51c77007319 130 assert_param(IS_IWDG_PRESCALER(IWDG_Prescaler));
mbed_official 52:a51c77007319 131 IWDG->PR = IWDG_Prescaler;
mbed_official 52:a51c77007319 132 }
mbed_official 52:a51c77007319 133
mbed_official 52:a51c77007319 134 /**
mbed_official 52:a51c77007319 135 * @brief Sets IWDG Reload value.
mbed_official 52:a51c77007319 136 * @param Reload: specifies the IWDG Reload value.
mbed_official 52:a51c77007319 137 * This parameter must be a number between 0 and 0x0FFF.
mbed_official 52:a51c77007319 138 * @retval None
mbed_official 52:a51c77007319 139 */
mbed_official 52:a51c77007319 140 void IWDG_SetReload(uint16_t Reload)
mbed_official 52:a51c77007319 141 {
mbed_official 52:a51c77007319 142 /* Check the parameters */
mbed_official 52:a51c77007319 143 assert_param(IS_IWDG_RELOAD(Reload));
mbed_official 52:a51c77007319 144 IWDG->RLR = Reload;
mbed_official 52:a51c77007319 145 }
mbed_official 52:a51c77007319 146
mbed_official 52:a51c77007319 147 /**
mbed_official 52:a51c77007319 148 * @brief Reloads IWDG counter with value defined in the reload register
mbed_official 52:a51c77007319 149 * (write access to IWDG_PR and IWDG_RLR registers disabled).
mbed_official 52:a51c77007319 150 * @param None
mbed_official 52:a51c77007319 151 * @retval None
mbed_official 52:a51c77007319 152 */
mbed_official 52:a51c77007319 153 void IWDG_ReloadCounter(void)
mbed_official 52:a51c77007319 154 {
mbed_official 52:a51c77007319 155 IWDG->KR = KR_KEY_Reload;
mbed_official 52:a51c77007319 156 }
mbed_official 52:a51c77007319 157
mbed_official 52:a51c77007319 158 /**
mbed_official 52:a51c77007319 159 * @brief Enables IWDG (write access to IWDG_PR and IWDG_RLR registers disabled).
mbed_official 52:a51c77007319 160 * @param None
mbed_official 52:a51c77007319 161 * @retval None
mbed_official 52:a51c77007319 162 */
mbed_official 52:a51c77007319 163 void IWDG_Enable(void)
mbed_official 52:a51c77007319 164 {
mbed_official 52:a51c77007319 165 IWDG->KR = KR_KEY_Enable;
mbed_official 52:a51c77007319 166 }
mbed_official 52:a51c77007319 167
mbed_official 52:a51c77007319 168 /**
mbed_official 52:a51c77007319 169 * @brief Checks whether the specified IWDG flag is set or not.
mbed_official 52:a51c77007319 170 * @param IWDG_FLAG: specifies the flag to check.
mbed_official 52:a51c77007319 171 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 172 * @arg IWDG_FLAG_PVU: Prescaler Value Update on going
mbed_official 52:a51c77007319 173 * @arg IWDG_FLAG_RVU: Reload Value Update on going
mbed_official 52:a51c77007319 174 * @retval The new state of IWDG_FLAG (SET or RESET).
mbed_official 52:a51c77007319 175 */
mbed_official 52:a51c77007319 176 FlagStatus IWDG_GetFlagStatus(uint16_t IWDG_FLAG)
mbed_official 52:a51c77007319 177 {
mbed_official 52:a51c77007319 178 FlagStatus bitstatus = RESET;
mbed_official 52:a51c77007319 179 /* Check the parameters */
mbed_official 52:a51c77007319 180 assert_param(IS_IWDG_FLAG(IWDG_FLAG));
mbed_official 52:a51c77007319 181 if ((IWDG->SR & IWDG_FLAG) != (uint32_t)RESET)
mbed_official 52:a51c77007319 182 {
mbed_official 52:a51c77007319 183 bitstatus = SET;
mbed_official 52:a51c77007319 184 }
mbed_official 52:a51c77007319 185 else
mbed_official 52:a51c77007319 186 {
mbed_official 52:a51c77007319 187 bitstatus = RESET;
mbed_official 52:a51c77007319 188 }
mbed_official 52:a51c77007319 189 /* Return the flag status */
mbed_official 52:a51c77007319 190 return bitstatus;
mbed_official 52:a51c77007319 191 }
mbed_official 52:a51c77007319 192
mbed_official 52:a51c77007319 193 /**
mbed_official 52:a51c77007319 194 * @}
mbed_official 52:a51c77007319 195 */
mbed_official 52:a51c77007319 196
mbed_official 52:a51c77007319 197 /**
mbed_official 52:a51c77007319 198 * @}
mbed_official 52:a51c77007319 199 */
mbed_official 52:a51c77007319 200
mbed_official 52:a51c77007319 201 /**
mbed_official 52:a51c77007319 202 * @}
mbed_official 52:a51c77007319 203 */
mbed_official 52:a51c77007319 204
mbed_official 52:a51c77007319 205 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/