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/misc.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 misc.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 miscellaneous firmware functions (add-on
mbed_official 52:a51c77007319 8 * to CMSIS functions).
mbed_official 70:c1fbde68b492 9 *******************************************************************************
mbed_official 70:c1fbde68b492 10 * Copyright (c) 2014, STMicroelectronics
mbed_official 70:c1fbde68b492 11 * All rights reserved.
mbed_official 70:c1fbde68b492 12 *
mbed_official 70:c1fbde68b492 13 * Redistribution and use in source and binary forms, with or without
mbed_official 70:c1fbde68b492 14 * modification, are permitted provided that the following conditions are met:
mbed_official 70:c1fbde68b492 15 *
mbed_official 70:c1fbde68b492 16 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 70:c1fbde68b492 17 * this list of conditions and the following disclaimer.
mbed_official 70:c1fbde68b492 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 70:c1fbde68b492 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 70:c1fbde68b492 20 * and/or other materials provided with the distribution.
mbed_official 70:c1fbde68b492 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 70:c1fbde68b492 22 * may be used to endorse or promote products derived from this software
mbed_official 70:c1fbde68b492 23 * without specific prior written permission.
mbed_official 70:c1fbde68b492 24 *
mbed_official 70:c1fbde68b492 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 70:c1fbde68b492 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 70:c1fbde68b492 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 70:c1fbde68b492 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 70:c1fbde68b492 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 70:c1fbde68b492 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 70:c1fbde68b492 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 70:c1fbde68b492 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 70:c1fbde68b492 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 70:c1fbde68b492 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 70:c1fbde68b492 35 *******************************************************************************
mbed_official 70:c1fbde68b492 36 */
mbed_official 52:a51c77007319 37
mbed_official 52:a51c77007319 38 /* Includes ------------------------------------------------------------------*/
mbed_official 52:a51c77007319 39 #include "misc.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 MISC
mbed_official 52:a51c77007319 46 * @brief MISC driver modules
mbed_official 52:a51c77007319 47 * @{
mbed_official 52:a51c77007319 48 */
mbed_official 52:a51c77007319 49
mbed_official 52:a51c77007319 50 /** @defgroup MISC_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 MISC_Private_Defines
mbed_official 52:a51c77007319 59 * @{
mbed_official 52:a51c77007319 60 */
mbed_official 52:a51c77007319 61
mbed_official 52:a51c77007319 62 #define AIRCR_VECTKEY_MASK ((uint32_t)0x05FA0000)
mbed_official 52:a51c77007319 63 /**
mbed_official 52:a51c77007319 64 * @}
mbed_official 52:a51c77007319 65 */
mbed_official 52:a51c77007319 66
mbed_official 52:a51c77007319 67 /** @defgroup MISC_Private_Macros
mbed_official 52:a51c77007319 68 * @{
mbed_official 52:a51c77007319 69 */
mbed_official 52:a51c77007319 70
mbed_official 52:a51c77007319 71 /**
mbed_official 52:a51c77007319 72 * @}
mbed_official 52:a51c77007319 73 */
mbed_official 52:a51c77007319 74
mbed_official 52:a51c77007319 75 /** @defgroup MISC_Private_Variables
mbed_official 52:a51c77007319 76 * @{
mbed_official 52:a51c77007319 77 */
mbed_official 52:a51c77007319 78
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 /** @defgroup MISC_Private_FunctionPrototypes
mbed_official 52:a51c77007319 84 * @{
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 /** @defgroup MISC_Private_Functions
mbed_official 52:a51c77007319 92 * @{
mbed_official 52:a51c77007319 93 */
mbed_official 52:a51c77007319 94
mbed_official 52:a51c77007319 95 /**
mbed_official 52:a51c77007319 96 * @brief Configures the priority grouping: pre-emption priority and subpriority.
mbed_official 52:a51c77007319 97 * @param NVIC_PriorityGroup: specifies the priority grouping bits length.
mbed_official 52:a51c77007319 98 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 99 * @arg NVIC_PriorityGroup_0: 0 bits for pre-emption priority
mbed_official 52:a51c77007319 100 * 4 bits for subpriority
mbed_official 52:a51c77007319 101 * @arg NVIC_PriorityGroup_1: 1 bits for pre-emption priority
mbed_official 52:a51c77007319 102 * 3 bits for subpriority
mbed_official 52:a51c77007319 103 * @arg NVIC_PriorityGroup_2: 2 bits for pre-emption priority
mbed_official 52:a51c77007319 104 * 2 bits for subpriority
mbed_official 52:a51c77007319 105 * @arg NVIC_PriorityGroup_3: 3 bits for pre-emption priority
mbed_official 52:a51c77007319 106 * 1 bits for subpriority
mbed_official 52:a51c77007319 107 * @arg NVIC_PriorityGroup_4: 4 bits for pre-emption priority
mbed_official 52:a51c77007319 108 * 0 bits for subpriority
mbed_official 52:a51c77007319 109 * @retval None
mbed_official 52:a51c77007319 110 */
mbed_official 52:a51c77007319 111 void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
mbed_official 52:a51c77007319 112 {
mbed_official 52:a51c77007319 113 /* Check the parameters */
mbed_official 52:a51c77007319 114 assert_param(IS_NVIC_PRIORITY_GROUP(NVIC_PriorityGroup));
mbed_official 52:a51c77007319 115
mbed_official 52:a51c77007319 116 /* Set the PRIGROUP[10:8] bits according to NVIC_PriorityGroup value */
mbed_official 52:a51c77007319 117 SCB->AIRCR = AIRCR_VECTKEY_MASK | NVIC_PriorityGroup;
mbed_official 52:a51c77007319 118 }
mbed_official 52:a51c77007319 119
mbed_official 52:a51c77007319 120 /**
mbed_official 52:a51c77007319 121 * @brief Initializes the NVIC peripheral according to the specified
mbed_official 52:a51c77007319 122 * parameters in the NVIC_InitStruct.
mbed_official 52:a51c77007319 123 * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains
mbed_official 52:a51c77007319 124 * the configuration information for the specified NVIC peripheral.
mbed_official 52:a51c77007319 125 * @retval None
mbed_official 52:a51c77007319 126 */
mbed_official 52:a51c77007319 127 void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
mbed_official 52:a51c77007319 128 {
mbed_official 52:a51c77007319 129 uint32_t tmppriority = 0x00, tmppre = 0x00, tmpsub = 0x0F;
mbed_official 52:a51c77007319 130
mbed_official 52:a51c77007319 131 /* Check the parameters */
mbed_official 52:a51c77007319 132 assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
mbed_official 52:a51c77007319 133 assert_param(IS_NVIC_PREEMPTION_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority));
mbed_official 52:a51c77007319 134 assert_param(IS_NVIC_SUB_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelSubPriority));
mbed_official 52:a51c77007319 135
mbed_official 52:a51c77007319 136 if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
mbed_official 52:a51c77007319 137 {
mbed_official 52:a51c77007319 138 /* Compute the Corresponding IRQ Priority --------------------------------*/
mbed_official 52:a51c77007319 139 tmppriority = (0x700 - ((SCB->AIRCR) & (uint32_t)0x700))>> 0x08;
mbed_official 52:a51c77007319 140 tmppre = (0x4 - tmppriority);
mbed_official 52:a51c77007319 141 tmpsub = tmpsub >> tmppriority;
mbed_official 52:a51c77007319 142
mbed_official 52:a51c77007319 143 tmppriority = (uint32_t)NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority << tmppre;
mbed_official 52:a51c77007319 144 tmppriority |= NVIC_InitStruct->NVIC_IRQChannelSubPriority & tmpsub;
mbed_official 52:a51c77007319 145 tmppriority = tmppriority << 0x04;
mbed_official 52:a51c77007319 146
mbed_official 52:a51c77007319 147 NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel] = tmppriority;
mbed_official 52:a51c77007319 148
mbed_official 52:a51c77007319 149 /* Enable the Selected IRQ Channels --------------------------------------*/
mbed_official 52:a51c77007319 150 NVIC->ISER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
mbed_official 52:a51c77007319 151 (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
mbed_official 52:a51c77007319 152 }
mbed_official 52:a51c77007319 153 else
mbed_official 52:a51c77007319 154 {
mbed_official 52:a51c77007319 155 /* Disable the Selected IRQ Channels -------------------------------------*/
mbed_official 52:a51c77007319 156 NVIC->ICER[NVIC_InitStruct->NVIC_IRQChannel >> 0x05] =
mbed_official 52:a51c77007319 157 (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
mbed_official 52:a51c77007319 158 }
mbed_official 52:a51c77007319 159 }
mbed_official 52:a51c77007319 160
mbed_official 52:a51c77007319 161 /**
mbed_official 52:a51c77007319 162 * @brief Sets the vector table location and Offset.
mbed_official 52:a51c77007319 163 * @param NVIC_VectTab: specifies if the vector table is in RAM or FLASH memory.
mbed_official 52:a51c77007319 164 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 165 * @arg NVIC_VectTab_RAM
mbed_official 52:a51c77007319 166 * @arg NVIC_VectTab_FLASH
mbed_official 52:a51c77007319 167 * @param Offset: Vector Table base offset field. This value must be a multiple
mbed_official 52:a51c77007319 168 * of 0x200.
mbed_official 52:a51c77007319 169 * @retval None
mbed_official 52:a51c77007319 170 */
mbed_official 52:a51c77007319 171 void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset)
mbed_official 52:a51c77007319 172 {
mbed_official 52:a51c77007319 173 /* Check the parameters */
mbed_official 52:a51c77007319 174 assert_param(IS_NVIC_VECTTAB(NVIC_VectTab));
mbed_official 52:a51c77007319 175 assert_param(IS_NVIC_OFFSET(Offset));
mbed_official 52:a51c77007319 176
mbed_official 52:a51c77007319 177 SCB->VTOR = NVIC_VectTab | (Offset & (uint32_t)0x1FFFFF80);
mbed_official 52:a51c77007319 178 }
mbed_official 52:a51c77007319 179
mbed_official 52:a51c77007319 180 /**
mbed_official 52:a51c77007319 181 * @brief Selects the condition for the system to enter low power mode.
mbed_official 52:a51c77007319 182 * @param LowPowerMode: Specifies the new mode for the system to enter low power mode.
mbed_official 52:a51c77007319 183 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 184 * @arg NVIC_LP_SEVONPEND
mbed_official 52:a51c77007319 185 * @arg NVIC_LP_SLEEPDEEP
mbed_official 52:a51c77007319 186 * @arg NVIC_LP_SLEEPONEXIT
mbed_official 52:a51c77007319 187 * @param NewState: new state of LP condition. This parameter can be: ENABLE or DISABLE.
mbed_official 52:a51c77007319 188 * @retval None
mbed_official 52:a51c77007319 189 */
mbed_official 52:a51c77007319 190 void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
mbed_official 52:a51c77007319 191 {
mbed_official 52:a51c77007319 192 /* Check the parameters */
mbed_official 52:a51c77007319 193 assert_param(IS_NVIC_LP(LowPowerMode));
mbed_official 52:a51c77007319 194 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 52:a51c77007319 195
mbed_official 52:a51c77007319 196 if (NewState != DISABLE)
mbed_official 52:a51c77007319 197 {
mbed_official 52:a51c77007319 198 SCB->SCR |= LowPowerMode;
mbed_official 52:a51c77007319 199 }
mbed_official 52:a51c77007319 200 else
mbed_official 52:a51c77007319 201 {
mbed_official 52:a51c77007319 202 SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
mbed_official 52:a51c77007319 203 }
mbed_official 52:a51c77007319 204 }
mbed_official 52:a51c77007319 205
mbed_official 52:a51c77007319 206 /**
mbed_official 52:a51c77007319 207 * @brief Configures the SysTick clock source.
mbed_official 52:a51c77007319 208 * @param SysTick_CLKSource: specifies the SysTick clock source.
mbed_official 52:a51c77007319 209 * This parameter can be one of the following values:
mbed_official 52:a51c77007319 210 * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source.
mbed_official 52:a51c77007319 211 * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source.
mbed_official 52:a51c77007319 212 * @retval None
mbed_official 52:a51c77007319 213 */
mbed_official 52:a51c77007319 214 void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
mbed_official 52:a51c77007319 215 {
mbed_official 52:a51c77007319 216 /* Check the parameters */
mbed_official 52:a51c77007319 217 assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
mbed_official 52:a51c77007319 218 if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
mbed_official 52:a51c77007319 219 {
mbed_official 52:a51c77007319 220 SysTick->CTRL |= SysTick_CLKSource_HCLK;
mbed_official 52:a51c77007319 221 }
mbed_official 52:a51c77007319 222 else
mbed_official 52:a51c77007319 223 {
mbed_official 52:a51c77007319 224 SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
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 52:a51c77007319 239
mbed_official 52:a51c77007319 240 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/