shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_NUCLEO_F030R8/stm32f0xx_misc.c@106:ced8cbb51063, 2014-02-26 (annotated)

Committer:
mbed_official
Date:
Wed Feb 26 09:45:12 2014 +0000
Revision:
106:ced8cbb51063
Parent:
76:aeb1df146756 
Synchronized with git revision 4222735eff5868389433f0e9271976b39c8115cd



Full URL: https://github.com/mbedmicro/mbed/commit/4222735eff5868389433f0e9271976b39c8115cd/



[NUCLEO_xxx] Update STM32CubeF4 driver V1.0.0 + update license

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 76:aeb1df146756 1 /**
mbed_official 76:aeb1df146756 2 ******************************************************************************
mbed_official 76:aeb1df146756 3 * @file stm32f0xx_misc.c
mbed_official 76:aeb1df146756 4 * @author MCD Application Team
mbed_official 76:aeb1df146756 5 * @version V1.3.0
mbed_official 76:aeb1df146756 6 * @date 16-January-2014
mbed_official 76:aeb1df146756 7 * @brief This file provides all the miscellaneous firmware functions (add-on
mbed_official 76:aeb1df146756 8 * to CMSIS functions).
mbed_official 76:aeb1df146756 9 ******************************************************************************
mbed_official 76:aeb1df146756 10 * @attention
mbed_official 76:aeb1df146756 11 *
mbed_official 106:ced8cbb51063 12 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 76:aeb1df146756 13 *
mbed_official 106:ced8cbb51063 14 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 106:ced8cbb51063 15 * are permitted provided that the following conditions are met:
mbed_official 106:ced8cbb51063 16 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 106:ced8cbb51063 17 * this list of conditions and the following disclaimer.
mbed_official 106:ced8cbb51063 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 106:ced8cbb51063 19 * this list of conditions and the following disclaimer in the documentation
mbed_official 106:ced8cbb51063 20 * and/or other materials provided with the distribution.
mbed_official 106:ced8cbb51063 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 106:ced8cbb51063 22 * may be used to endorse or promote products derived from this software
mbed_official 106:ced8cbb51063 23 * without specific prior written permission.
mbed_official 76:aeb1df146756 24 *
mbed_official 106:ced8cbb51063 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 106:ced8cbb51063 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 106:ced8cbb51063 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 106:ced8cbb51063 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 106:ced8cbb51063 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 106:ced8cbb51063 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 106:ced8cbb51063 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 106:ced8cbb51063 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 106:ced8cbb51063 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 106:ced8cbb51063 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 76:aeb1df146756 35 *
mbed_official 76:aeb1df146756 36 ******************************************************************************
mbed_official 76:aeb1df146756 37 */
mbed_official 76:aeb1df146756 38
mbed_official 76:aeb1df146756 39 /* Includes ------------------------------------------------------------------*/
mbed_official 76:aeb1df146756 40 #include "stm32f0xx_misc.h"
mbed_official 76:aeb1df146756 41
mbed_official 76:aeb1df146756 42 /** @addtogroup STM32F0xx_StdPeriph_Driver
mbed_official 76:aeb1df146756 43 * @{
mbed_official 76:aeb1df146756 44 */
mbed_official 76:aeb1df146756 45
mbed_official 76:aeb1df146756 46 /** @defgroup MISC
mbed_official 76:aeb1df146756 47 * @brief MISC driver modules
mbed_official 76:aeb1df146756 48 * @{
mbed_official 76:aeb1df146756 49 */
mbed_official 76:aeb1df146756 50
mbed_official 76:aeb1df146756 51 /* Private typedef -----------------------------------------------------------*/
mbed_official 76:aeb1df146756 52 /* Private define ------------------------------------------------------------*/
mbed_official 76:aeb1df146756 53 /* Private macro -------------------------------------------------------------*/
mbed_official 76:aeb1df146756 54 /* Private variables ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 55 /* Private function prototypes -----------------------------------------------*/
mbed_official 76:aeb1df146756 56 /* Private functions ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 57
mbed_official 76:aeb1df146756 58 /** @defgroup MISC_Private_Functions
mbed_official 76:aeb1df146756 59 * @{
mbed_official 76:aeb1df146756 60 */
mbed_official 76:aeb1df146756 61 /**
mbed_official 76:aeb1df146756 62 *
mbed_official 76:aeb1df146756 63 @verbatim
mbed_official 76:aeb1df146756 64 *******************************************************************************
mbed_official 76:aeb1df146756 65 ##### Interrupts configuration functions #####
mbed_official 76:aeb1df146756 66 *******************************************************************************
mbed_official 76:aeb1df146756 67 [..] This section provide functions allowing to configure the NVIC interrupts
mbed_official 76:aeb1df146756 68 (IRQ). The Cortex-M0 exceptions are managed by CMSIS functions.
mbed_official 76:aeb1df146756 69 (#) Enable and Configure the priority of the selected IRQ Channels.
mbed_official 76:aeb1df146756 70 The priority can be 0..3.
mbed_official 76:aeb1df146756 71
mbed_official 76:aeb1df146756 72 -@- Lower priority values gives higher priority.
mbed_official 76:aeb1df146756 73 -@- Priority Order:
mbed_official 76:aeb1df146756 74 (#@) Lowest priority.
mbed_official 76:aeb1df146756 75 (#@) Lowest hardware priority (IRQn position).
mbed_official 76:aeb1df146756 76
mbed_official 76:aeb1df146756 77 @endverbatim
mbed_official 76:aeb1df146756 78 */
mbed_official 76:aeb1df146756 79
mbed_official 76:aeb1df146756 80 /**
mbed_official 76:aeb1df146756 81 * @brief Initializes the NVIC peripheral according to the specified
mbed_official 76:aeb1df146756 82 * parameters in the NVIC_InitStruct.
mbed_official 76:aeb1df146756 83 * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains
mbed_official 76:aeb1df146756 84 * the configuration information for the specified NVIC peripheral.
mbed_official 76:aeb1df146756 85 * @retval None
mbed_official 76:aeb1df146756 86 */
mbed_official 76:aeb1df146756 87 void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
mbed_official 76:aeb1df146756 88 {
mbed_official 76:aeb1df146756 89 uint32_t tmppriority = 0x00;
mbed_official 76:aeb1df146756 90
mbed_official 76:aeb1df146756 91 /* Check the parameters */
mbed_official 76:aeb1df146756 92 assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd));
mbed_official 76:aeb1df146756 93 assert_param(IS_NVIC_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPriority));
mbed_official 76:aeb1df146756 94
mbed_official 76:aeb1df146756 95 if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
mbed_official 76:aeb1df146756 96 {
mbed_official 76:aeb1df146756 97 /* Compute the Corresponding IRQ Priority --------------------------------*/
mbed_official 76:aeb1df146756 98 tmppriority = NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02];
mbed_official 76:aeb1df146756 99 tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8)));
mbed_official 76:aeb1df146756 100 tmppriority |= (uint32_t)((((uint32_t)NVIC_InitStruct->NVIC_IRQChannelPriority << 6) & 0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8));
mbed_official 76:aeb1df146756 101
mbed_official 76:aeb1df146756 102 NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02] = tmppriority;
mbed_official 76:aeb1df146756 103
mbed_official 76:aeb1df146756 104 /* Enable the Selected IRQ Channels --------------------------------------*/
mbed_official 76:aeb1df146756 105 NVIC->ISER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
mbed_official 76:aeb1df146756 106 }
mbed_official 76:aeb1df146756 107 else
mbed_official 76:aeb1df146756 108 {
mbed_official 76:aeb1df146756 109 /* Disable the Selected IRQ Channels -------------------------------------*/
mbed_official 76:aeb1df146756 110 NVIC->ICER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F);
mbed_official 76:aeb1df146756 111 }
mbed_official 76:aeb1df146756 112 }
mbed_official 76:aeb1df146756 113
mbed_official 76:aeb1df146756 114 /**
mbed_official 76:aeb1df146756 115 * @brief Selects the condition for the system to enter low power mode.
mbed_official 76:aeb1df146756 116 * @param LowPowerMode: Specifies the new mode for the system to enter low power mode.
mbed_official 76:aeb1df146756 117 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 118 * @arg NVIC_LP_SEVONPEND: Low Power SEV on Pend.
mbed_official 76:aeb1df146756 119 * @arg NVIC_LP_SLEEPDEEP: Low Power DEEPSLEEP request.
mbed_official 76:aeb1df146756 120 * @arg NVIC_LP_SLEEPONEXIT: Low Power Sleep on Exit.
mbed_official 76:aeb1df146756 121 * @param NewState: new state of LP condition.
mbed_official 76:aeb1df146756 122 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 123 * @retval None
mbed_official 76:aeb1df146756 124 */
mbed_official 76:aeb1df146756 125 void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState)
mbed_official 76:aeb1df146756 126 {
mbed_official 76:aeb1df146756 127 /* Check the parameters */
mbed_official 76:aeb1df146756 128 assert_param(IS_NVIC_LP(LowPowerMode));
mbed_official 76:aeb1df146756 129
mbed_official 76:aeb1df146756 130 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 131
mbed_official 76:aeb1df146756 132 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 133 {
mbed_official 76:aeb1df146756 134 SCB->SCR |= LowPowerMode;
mbed_official 76:aeb1df146756 135 }
mbed_official 76:aeb1df146756 136 else
mbed_official 76:aeb1df146756 137 {
mbed_official 76:aeb1df146756 138 SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode);
mbed_official 76:aeb1df146756 139 }
mbed_official 76:aeb1df146756 140 }
mbed_official 76:aeb1df146756 141
mbed_official 76:aeb1df146756 142 /**
mbed_official 76:aeb1df146756 143 * @brief Configures the SysTick clock source.
mbed_official 76:aeb1df146756 144 * @param SysTick_CLKSource: specifies the SysTick clock source.
mbed_official 76:aeb1df146756 145 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 146 * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source.
mbed_official 76:aeb1df146756 147 * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source.
mbed_official 76:aeb1df146756 148 * @retval None
mbed_official 76:aeb1df146756 149 */
mbed_official 76:aeb1df146756 150 void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource)
mbed_official 76:aeb1df146756 151 {
mbed_official 76:aeb1df146756 152 /* Check the parameters */
mbed_official 76:aeb1df146756 153 assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource));
mbed_official 76:aeb1df146756 154
mbed_official 76:aeb1df146756 155 if (SysTick_CLKSource == SysTick_CLKSource_HCLK)
mbed_official 76:aeb1df146756 156 {
mbed_official 76:aeb1df146756 157 SysTick->CTRL |= SysTick_CLKSource_HCLK;
mbed_official 76:aeb1df146756 158 }
mbed_official 76:aeb1df146756 159 else
mbed_official 76:aeb1df146756 160 {
mbed_official 76:aeb1df146756 161 SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8;
mbed_official 76:aeb1df146756 162 }
mbed_official 76:aeb1df146756 163 }
mbed_official 76:aeb1df146756 164
mbed_official 76:aeb1df146756 165 /**
mbed_official 76:aeb1df146756 166 * @}
mbed_official 76:aeb1df146756 167 */
mbed_official 76:aeb1df146756 168
mbed_official 76:aeb1df146756 169 /**
mbed_official 76:aeb1df146756 170 * @}
mbed_official 76:aeb1df146756 171 */
mbed_official 76:aeb1df146756 172
mbed_official 76:aeb1df146756 173 /**
mbed_official 76:aeb1df146756 174 * @}
mbed_official 76:aeb1df146756 175 */
mbed_official 76:aeb1df146756 176
mbed_official 76:aeb1df146756 177 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/