mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F103RB/stm32f10x_wwdg.c@84:f54042cbc282, 2014-02-03 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Feb 03 09:30:05 2014 +0000
- Revision:
- 84:f54042cbc282
- Parent:
- 70:c1fbde68b492
Synchronized with git revision bbbd8699601c42149ccf0c37bc42bb6856ccc4c6
Full URL: https://github.com/mbedmicro/mbed/commit/bbbd8699601c42149ccf0c37bc42bb6856ccc4c6/
[NUCLEO_L152RE/F030_R8] SPI, I2C, Ticker, PWM updates
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 52:a51c77007319 | 1 | /** |
mbed_official | 52:a51c77007319 | 2 | ****************************************************************************** |
mbed_official | 52:a51c77007319 | 3 | * @file stm32f10x_wwdg.c |
mbed_official | 52:a51c77007319 | 4 | * @author MCD Application Team |
mbed_official | 84:f54042cbc282 | 5 | * @version V3.6.1 |
mbed_official | 84:f54042cbc282 | 6 | * @date 05-March-2012 |
mbed_official | 52:a51c77007319 | 7 | * @brief This file provides all the WWDG 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_wwdg.h" |
mbed_official | 52:a51c77007319 | 39 | #include "stm32f10x_rcc.h" |
mbed_official | 52:a51c77007319 | 40 | |
mbed_official | 52:a51c77007319 | 41 | /** @addtogroup STM32F10x_StdPeriph_Driver |
mbed_official | 52:a51c77007319 | 42 | * @{ |
mbed_official | 52:a51c77007319 | 43 | */ |
mbed_official | 52:a51c77007319 | 44 | |
mbed_official | 52:a51c77007319 | 45 | /** @defgroup WWDG |
mbed_official | 52:a51c77007319 | 46 | * @brief WWDG driver modules |
mbed_official | 52:a51c77007319 | 47 | * @{ |
mbed_official | 52:a51c77007319 | 48 | */ |
mbed_official | 52:a51c77007319 | 49 | |
mbed_official | 52:a51c77007319 | 50 | /** @defgroup WWDG_Private_TypesDefinitions |
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 | |
mbed_official | 52:a51c77007319 | 58 | /** @defgroup WWDG_Private_Defines |
mbed_official | 52:a51c77007319 | 59 | * @{ |
mbed_official | 52:a51c77007319 | 60 | */ |
mbed_official | 52:a51c77007319 | 61 | |
mbed_official | 52:a51c77007319 | 62 | /* ----------- WWDG registers bit address in the alias region ----------- */ |
mbed_official | 52:a51c77007319 | 63 | #define WWDG_OFFSET (WWDG_BASE - PERIPH_BASE) |
mbed_official | 52:a51c77007319 | 64 | |
mbed_official | 52:a51c77007319 | 65 | /* Alias word address of EWI bit */ |
mbed_official | 52:a51c77007319 | 66 | #define CFR_OFFSET (WWDG_OFFSET + 0x04) |
mbed_official | 52:a51c77007319 | 67 | #define EWI_BitNumber 0x09 |
mbed_official | 52:a51c77007319 | 68 | #define CFR_EWI_BB (PERIPH_BB_BASE + (CFR_OFFSET * 32) + (EWI_BitNumber * 4)) |
mbed_official | 52:a51c77007319 | 69 | |
mbed_official | 52:a51c77007319 | 70 | /* --------------------- WWDG registers bit mask ------------------------ */ |
mbed_official | 52:a51c77007319 | 71 | |
mbed_official | 52:a51c77007319 | 72 | /* CR register bit mask */ |
mbed_official | 52:a51c77007319 | 73 | #define CR_WDGA_Set ((uint32_t)0x00000080) |
mbed_official | 52:a51c77007319 | 74 | |
mbed_official | 52:a51c77007319 | 75 | /* CFR register bit mask */ |
mbed_official | 52:a51c77007319 | 76 | #define CFR_WDGTB_Mask ((uint32_t)0xFFFFFE7F) |
mbed_official | 52:a51c77007319 | 77 | #define CFR_W_Mask ((uint32_t)0xFFFFFF80) |
mbed_official | 52:a51c77007319 | 78 | #define BIT_Mask ((uint8_t)0x7F) |
mbed_official | 52:a51c77007319 | 79 | |
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 | /** @defgroup WWDG_Private_Macros |
mbed_official | 52:a51c77007319 | 85 | * @{ |
mbed_official | 52:a51c77007319 | 86 | */ |
mbed_official | 52:a51c77007319 | 87 | |
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 | /** @defgroup WWDG_Private_Variables |
mbed_official | 52:a51c77007319 | 93 | * @{ |
mbed_official | 52:a51c77007319 | 94 | */ |
mbed_official | 52:a51c77007319 | 95 | |
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 | /** @defgroup WWDG_Private_FunctionPrototypes |
mbed_official | 52:a51c77007319 | 101 | * @{ |
mbed_official | 52:a51c77007319 | 102 | */ |
mbed_official | 52:a51c77007319 | 103 | |
mbed_official | 52:a51c77007319 | 104 | /** |
mbed_official | 52:a51c77007319 | 105 | * @} |
mbed_official | 52:a51c77007319 | 106 | */ |
mbed_official | 52:a51c77007319 | 107 | |
mbed_official | 52:a51c77007319 | 108 | /** @defgroup WWDG_Private_Functions |
mbed_official | 52:a51c77007319 | 109 | * @{ |
mbed_official | 52:a51c77007319 | 110 | */ |
mbed_official | 52:a51c77007319 | 111 | |
mbed_official | 52:a51c77007319 | 112 | /** |
mbed_official | 52:a51c77007319 | 113 | * @brief Deinitializes the WWDG peripheral registers to their default reset values. |
mbed_official | 52:a51c77007319 | 114 | * @param None |
mbed_official | 52:a51c77007319 | 115 | * @retval None |
mbed_official | 52:a51c77007319 | 116 | */ |
mbed_official | 52:a51c77007319 | 117 | void WWDG_DeInit(void) |
mbed_official | 52:a51c77007319 | 118 | { |
mbed_official | 52:a51c77007319 | 119 | RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, ENABLE); |
mbed_official | 52:a51c77007319 | 120 | RCC_APB1PeriphResetCmd(RCC_APB1Periph_WWDG, DISABLE); |
mbed_official | 52:a51c77007319 | 121 | } |
mbed_official | 52:a51c77007319 | 122 | |
mbed_official | 52:a51c77007319 | 123 | /** |
mbed_official | 52:a51c77007319 | 124 | * @brief Sets the WWDG Prescaler. |
mbed_official | 52:a51c77007319 | 125 | * @param WWDG_Prescaler: specifies the WWDG Prescaler. |
mbed_official | 52:a51c77007319 | 126 | * This parameter can be one of the following values: |
mbed_official | 52:a51c77007319 | 127 | * @arg WWDG_Prescaler_1: WWDG counter clock = (PCLK1/4096)/1 |
mbed_official | 52:a51c77007319 | 128 | * @arg WWDG_Prescaler_2: WWDG counter clock = (PCLK1/4096)/2 |
mbed_official | 52:a51c77007319 | 129 | * @arg WWDG_Prescaler_4: WWDG counter clock = (PCLK1/4096)/4 |
mbed_official | 52:a51c77007319 | 130 | * @arg WWDG_Prescaler_8: WWDG counter clock = (PCLK1/4096)/8 |
mbed_official | 52:a51c77007319 | 131 | * @retval None |
mbed_official | 52:a51c77007319 | 132 | */ |
mbed_official | 52:a51c77007319 | 133 | void WWDG_SetPrescaler(uint32_t WWDG_Prescaler) |
mbed_official | 52:a51c77007319 | 134 | { |
mbed_official | 52:a51c77007319 | 135 | uint32_t tmpreg = 0; |
mbed_official | 52:a51c77007319 | 136 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 137 | assert_param(IS_WWDG_PRESCALER(WWDG_Prescaler)); |
mbed_official | 52:a51c77007319 | 138 | /* Clear WDGTB[1:0] bits */ |
mbed_official | 52:a51c77007319 | 139 | tmpreg = WWDG->CFR & CFR_WDGTB_Mask; |
mbed_official | 52:a51c77007319 | 140 | /* Set WDGTB[1:0] bits according to WWDG_Prescaler value */ |
mbed_official | 52:a51c77007319 | 141 | tmpreg |= WWDG_Prescaler; |
mbed_official | 52:a51c77007319 | 142 | /* Store the new value */ |
mbed_official | 52:a51c77007319 | 143 | WWDG->CFR = tmpreg; |
mbed_official | 52:a51c77007319 | 144 | } |
mbed_official | 52:a51c77007319 | 145 | |
mbed_official | 52:a51c77007319 | 146 | /** |
mbed_official | 52:a51c77007319 | 147 | * @brief Sets the WWDG window value. |
mbed_official | 52:a51c77007319 | 148 | * @param WindowValue: specifies the window value to be compared to the downcounter. |
mbed_official | 52:a51c77007319 | 149 | * This parameter value must be lower than 0x80. |
mbed_official | 52:a51c77007319 | 150 | * @retval None |
mbed_official | 52:a51c77007319 | 151 | */ |
mbed_official | 52:a51c77007319 | 152 | void WWDG_SetWindowValue(uint8_t WindowValue) |
mbed_official | 52:a51c77007319 | 153 | { |
mbed_official | 52:a51c77007319 | 154 | __IO uint32_t tmpreg = 0; |
mbed_official | 52:a51c77007319 | 155 | |
mbed_official | 52:a51c77007319 | 156 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 157 | assert_param(IS_WWDG_WINDOW_VALUE(WindowValue)); |
mbed_official | 52:a51c77007319 | 158 | /* Clear W[6:0] bits */ |
mbed_official | 52:a51c77007319 | 159 | |
mbed_official | 52:a51c77007319 | 160 | tmpreg = WWDG->CFR & CFR_W_Mask; |
mbed_official | 52:a51c77007319 | 161 | |
mbed_official | 52:a51c77007319 | 162 | /* Set W[6:0] bits according to WindowValue value */ |
mbed_official | 52:a51c77007319 | 163 | tmpreg |= WindowValue & (uint32_t) BIT_Mask; |
mbed_official | 52:a51c77007319 | 164 | |
mbed_official | 52:a51c77007319 | 165 | /* Store the new value */ |
mbed_official | 52:a51c77007319 | 166 | WWDG->CFR = tmpreg; |
mbed_official | 52:a51c77007319 | 167 | } |
mbed_official | 52:a51c77007319 | 168 | |
mbed_official | 52:a51c77007319 | 169 | /** |
mbed_official | 52:a51c77007319 | 170 | * @brief Enables the WWDG Early Wakeup interrupt(EWI). |
mbed_official | 52:a51c77007319 | 171 | * @param None |
mbed_official | 52:a51c77007319 | 172 | * @retval None |
mbed_official | 52:a51c77007319 | 173 | */ |
mbed_official | 52:a51c77007319 | 174 | void WWDG_EnableIT(void) |
mbed_official | 52:a51c77007319 | 175 | { |
mbed_official | 52:a51c77007319 | 176 | *(__IO uint32_t *) CFR_EWI_BB = (uint32_t)ENABLE; |
mbed_official | 52:a51c77007319 | 177 | } |
mbed_official | 52:a51c77007319 | 178 | |
mbed_official | 52:a51c77007319 | 179 | /** |
mbed_official | 52:a51c77007319 | 180 | * @brief Sets the WWDG counter value. |
mbed_official | 52:a51c77007319 | 181 | * @param Counter: specifies the watchdog counter value. |
mbed_official | 52:a51c77007319 | 182 | * This parameter must be a number between 0x40 and 0x7F. |
mbed_official | 52:a51c77007319 | 183 | * @retval None |
mbed_official | 52:a51c77007319 | 184 | */ |
mbed_official | 52:a51c77007319 | 185 | void WWDG_SetCounter(uint8_t Counter) |
mbed_official | 52:a51c77007319 | 186 | { |
mbed_official | 52:a51c77007319 | 187 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 188 | assert_param(IS_WWDG_COUNTER(Counter)); |
mbed_official | 52:a51c77007319 | 189 | /* Write to T[6:0] bits to configure the counter value, no need to do |
mbed_official | 52:a51c77007319 | 190 | a read-modify-write; writing a 0 to WDGA bit does nothing */ |
mbed_official | 52:a51c77007319 | 191 | WWDG->CR = Counter & BIT_Mask; |
mbed_official | 52:a51c77007319 | 192 | } |
mbed_official | 52:a51c77007319 | 193 | |
mbed_official | 52:a51c77007319 | 194 | /** |
mbed_official | 52:a51c77007319 | 195 | * @brief Enables WWDG and load the counter value. |
mbed_official | 52:a51c77007319 | 196 | * @param Counter: specifies the watchdog counter value. |
mbed_official | 52:a51c77007319 | 197 | * This parameter must be a number between 0x40 and 0x7F. |
mbed_official | 52:a51c77007319 | 198 | * @retval None |
mbed_official | 52:a51c77007319 | 199 | */ |
mbed_official | 52:a51c77007319 | 200 | void WWDG_Enable(uint8_t Counter) |
mbed_official | 52:a51c77007319 | 201 | { |
mbed_official | 52:a51c77007319 | 202 | /* Check the parameters */ |
mbed_official | 52:a51c77007319 | 203 | assert_param(IS_WWDG_COUNTER(Counter)); |
mbed_official | 52:a51c77007319 | 204 | WWDG->CR = CR_WDGA_Set | Counter; |
mbed_official | 52:a51c77007319 | 205 | } |
mbed_official | 52:a51c77007319 | 206 | |
mbed_official | 52:a51c77007319 | 207 | /** |
mbed_official | 52:a51c77007319 | 208 | * @brief Checks whether the Early Wakeup interrupt flag is set or not. |
mbed_official | 52:a51c77007319 | 209 | * @param None |
mbed_official | 52:a51c77007319 | 210 | * @retval The new state of the Early Wakeup interrupt flag (SET or RESET) |
mbed_official | 52:a51c77007319 | 211 | */ |
mbed_official | 52:a51c77007319 | 212 | FlagStatus WWDG_GetFlagStatus(void) |
mbed_official | 52:a51c77007319 | 213 | { |
mbed_official | 52:a51c77007319 | 214 | return (FlagStatus)(WWDG->SR); |
mbed_official | 52:a51c77007319 | 215 | } |
mbed_official | 52:a51c77007319 | 216 | |
mbed_official | 52:a51c77007319 | 217 | /** |
mbed_official | 52:a51c77007319 | 218 | * @brief Clears Early Wakeup interrupt flag. |
mbed_official | 52:a51c77007319 | 219 | * @param None |
mbed_official | 52:a51c77007319 | 220 | * @retval None |
mbed_official | 52:a51c77007319 | 221 | */ |
mbed_official | 52:a51c77007319 | 222 | void WWDG_ClearFlag(void) |
mbed_official | 52:a51c77007319 | 223 | { |
mbed_official | 52:a51c77007319 | 224 | WWDG->SR = (uint32_t)RESET; |
mbed_official | 52:a51c77007319 | 225 | } |
mbed_official | 52:a51c77007319 | 226 | |
mbed_official | 52:a51c77007319 | 227 | /** |
mbed_official | 52:a51c77007319 | 228 | * @} |
mbed_official | 52:a51c77007319 | 229 | */ |
mbed_official | 52:a51c77007319 | 230 | |
mbed_official | 52:a51c77007319 | 231 | /** |
mbed_official | 52:a51c77007319 | 232 | * @} |
mbed_official | 52:a51c77007319 | 233 | */ |
mbed_official | 52:a51c77007319 | 234 | |
mbed_official | 52:a51c77007319 | 235 | /** |
mbed_official | 52:a51c77007319 | 236 | * @} |
mbed_official | 52:a51c77007319 | 237 | */ |
mbed_official | 52:a51c77007319 | 238 | |
mbed_official | 84:f54042cbc282 | 239 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |