mbed library sources modified for open wear
Dependents: openwear-lifelogger-example
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F030R8/stm32f0xx_misc.c@76:aeb1df146756, 2014-01-27 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Jan 27 14:30:07 2014 +0000
- Revision:
- 76:aeb1df146756
- Child:
- 106:ced8cbb51063
Synchronized with git revision a31ec9c5f7bcb5c8a1b2eced103f6a1dfa921abd
Full URL: https://github.com/mbedmicro/mbed/commit/a31ec9c5f7bcb5c8a1b2eced103f6a1dfa921abd/
Add NUCLEO_L152RE
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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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 | 76:aeb1df146756 | 12 | * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> |
mbed_official | 76:aeb1df146756 | 13 | * |
mbed_official | 76:aeb1df146756 | 14 | * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); |
mbed_official | 76:aeb1df146756 | 15 | * You may not use this file except in compliance with the License. |
mbed_official | 76:aeb1df146756 | 16 | * You may obtain a copy of the License at: |
mbed_official | 76:aeb1df146756 | 17 | * |
mbed_official | 76:aeb1df146756 | 18 | * http://www.st.com/software_license_agreement_liberty_v2 |
mbed_official | 76:aeb1df146756 | 19 | * |
mbed_official | 76:aeb1df146756 | 20 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 76:aeb1df146756 | 21 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 76:aeb1df146756 | 22 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 76:aeb1df146756 | 23 | * See the License for the specific language governing permissions and |
mbed_official | 76:aeb1df146756 | 24 | * limitations under the License. |
mbed_official | 76:aeb1df146756 | 25 | * |
mbed_official | 76:aeb1df146756 | 26 | ****************************************************************************** |
mbed_official | 76:aeb1df146756 | 27 | */ |
mbed_official | 76:aeb1df146756 | 28 | |
mbed_official | 76:aeb1df146756 | 29 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 30 | #include "stm32f0xx_misc.h" |
mbed_official | 76:aeb1df146756 | 31 | |
mbed_official | 76:aeb1df146756 | 32 | /** @addtogroup STM32F0xx_StdPeriph_Driver |
mbed_official | 76:aeb1df146756 | 33 | * @{ |
mbed_official | 76:aeb1df146756 | 34 | */ |
mbed_official | 76:aeb1df146756 | 35 | |
mbed_official | 76:aeb1df146756 | 36 | /** @defgroup MISC |
mbed_official | 76:aeb1df146756 | 37 | * @brief MISC driver modules |
mbed_official | 76:aeb1df146756 | 38 | * @{ |
mbed_official | 76:aeb1df146756 | 39 | */ |
mbed_official | 76:aeb1df146756 | 40 | |
mbed_official | 76:aeb1df146756 | 41 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 42 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 43 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 44 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 45 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 46 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 47 | |
mbed_official | 76:aeb1df146756 | 48 | /** @defgroup MISC_Private_Functions |
mbed_official | 76:aeb1df146756 | 49 | * @{ |
mbed_official | 76:aeb1df146756 | 50 | */ |
mbed_official | 76:aeb1df146756 | 51 | /** |
mbed_official | 76:aeb1df146756 | 52 | * |
mbed_official | 76:aeb1df146756 | 53 | @verbatim |
mbed_official | 76:aeb1df146756 | 54 | ******************************************************************************* |
mbed_official | 76:aeb1df146756 | 55 | ##### Interrupts configuration functions ##### |
mbed_official | 76:aeb1df146756 | 56 | ******************************************************************************* |
mbed_official | 76:aeb1df146756 | 57 | [..] This section provide functions allowing to configure the NVIC interrupts |
mbed_official | 76:aeb1df146756 | 58 | (IRQ). The Cortex-M0 exceptions are managed by CMSIS functions. |
mbed_official | 76:aeb1df146756 | 59 | (#) Enable and Configure the priority of the selected IRQ Channels. |
mbed_official | 76:aeb1df146756 | 60 | The priority can be 0..3. |
mbed_official | 76:aeb1df146756 | 61 | |
mbed_official | 76:aeb1df146756 | 62 | -@- Lower priority values gives higher priority. |
mbed_official | 76:aeb1df146756 | 63 | -@- Priority Order: |
mbed_official | 76:aeb1df146756 | 64 | (#@) Lowest priority. |
mbed_official | 76:aeb1df146756 | 65 | (#@) Lowest hardware priority (IRQn position). |
mbed_official | 76:aeb1df146756 | 66 | |
mbed_official | 76:aeb1df146756 | 67 | @endverbatim |
mbed_official | 76:aeb1df146756 | 68 | */ |
mbed_official | 76:aeb1df146756 | 69 | |
mbed_official | 76:aeb1df146756 | 70 | /** |
mbed_official | 76:aeb1df146756 | 71 | * @brief Initializes the NVIC peripheral according to the specified |
mbed_official | 76:aeb1df146756 | 72 | * parameters in the NVIC_InitStruct. |
mbed_official | 76:aeb1df146756 | 73 | * @param NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains |
mbed_official | 76:aeb1df146756 | 74 | * the configuration information for the specified NVIC peripheral. |
mbed_official | 76:aeb1df146756 | 75 | * @retval None |
mbed_official | 76:aeb1df146756 | 76 | */ |
mbed_official | 76:aeb1df146756 | 77 | void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct) |
mbed_official | 76:aeb1df146756 | 78 | { |
mbed_official | 76:aeb1df146756 | 79 | uint32_t tmppriority = 0x00; |
mbed_official | 76:aeb1df146756 | 80 | |
mbed_official | 76:aeb1df146756 | 81 | /* Check the parameters */ |
mbed_official | 76:aeb1df146756 | 82 | assert_param(IS_FUNCTIONAL_STATE(NVIC_InitStruct->NVIC_IRQChannelCmd)); |
mbed_official | 76:aeb1df146756 | 83 | assert_param(IS_NVIC_PRIORITY(NVIC_InitStruct->NVIC_IRQChannelPriority)); |
mbed_official | 76:aeb1df146756 | 84 | |
mbed_official | 76:aeb1df146756 | 85 | if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE) |
mbed_official | 76:aeb1df146756 | 86 | { |
mbed_official | 76:aeb1df146756 | 87 | /* Compute the Corresponding IRQ Priority --------------------------------*/ |
mbed_official | 76:aeb1df146756 | 88 | tmppriority = NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02]; |
mbed_official | 76:aeb1df146756 | 89 | tmppriority &= (uint32_t)(~(((uint32_t)0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8))); |
mbed_official | 76:aeb1df146756 | 90 | tmppriority |= (uint32_t)((((uint32_t)NVIC_InitStruct->NVIC_IRQChannelPriority << 6) & 0xFF) << ((NVIC_InitStruct->NVIC_IRQChannel & 0x03) * 8)); |
mbed_official | 76:aeb1df146756 | 91 | |
mbed_official | 76:aeb1df146756 | 92 | NVIC->IP[NVIC_InitStruct->NVIC_IRQChannel >> 0x02] = tmppriority; |
mbed_official | 76:aeb1df146756 | 93 | |
mbed_official | 76:aeb1df146756 | 94 | /* Enable the Selected IRQ Channels --------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 95 | NVIC->ISER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F); |
mbed_official | 76:aeb1df146756 | 96 | } |
mbed_official | 76:aeb1df146756 | 97 | else |
mbed_official | 76:aeb1df146756 | 98 | { |
mbed_official | 76:aeb1df146756 | 99 | /* Disable the Selected IRQ Channels -------------------------------------*/ |
mbed_official | 76:aeb1df146756 | 100 | NVIC->ICER[0] = (uint32_t)0x01 << (NVIC_InitStruct->NVIC_IRQChannel & (uint8_t)0x1F); |
mbed_official | 76:aeb1df146756 | 101 | } |
mbed_official | 76:aeb1df146756 | 102 | } |
mbed_official | 76:aeb1df146756 | 103 | |
mbed_official | 76:aeb1df146756 | 104 | /** |
mbed_official | 76:aeb1df146756 | 105 | * @brief Selects the condition for the system to enter low power mode. |
mbed_official | 76:aeb1df146756 | 106 | * @param LowPowerMode: Specifies the new mode for the system to enter low power mode. |
mbed_official | 76:aeb1df146756 | 107 | * This parameter can be one of the following values: |
mbed_official | 76:aeb1df146756 | 108 | * @arg NVIC_LP_SEVONPEND: Low Power SEV on Pend. |
mbed_official | 76:aeb1df146756 | 109 | * @arg NVIC_LP_SLEEPDEEP: Low Power DEEPSLEEP request. |
mbed_official | 76:aeb1df146756 | 110 | * @arg NVIC_LP_SLEEPONEXIT: Low Power Sleep on Exit. |
mbed_official | 76:aeb1df146756 | 111 | * @param NewState: new state of LP condition. |
mbed_official | 76:aeb1df146756 | 112 | * This parameter can be: ENABLE or DISABLE. |
mbed_official | 76:aeb1df146756 | 113 | * @retval None |
mbed_official | 76:aeb1df146756 | 114 | */ |
mbed_official | 76:aeb1df146756 | 115 | void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState) |
mbed_official | 76:aeb1df146756 | 116 | { |
mbed_official | 76:aeb1df146756 | 117 | /* Check the parameters */ |
mbed_official | 76:aeb1df146756 | 118 | assert_param(IS_NVIC_LP(LowPowerMode)); |
mbed_official | 76:aeb1df146756 | 119 | |
mbed_official | 76:aeb1df146756 | 120 | assert_param(IS_FUNCTIONAL_STATE(NewState)); |
mbed_official | 76:aeb1df146756 | 121 | |
mbed_official | 76:aeb1df146756 | 122 | if (NewState != DISABLE) |
mbed_official | 76:aeb1df146756 | 123 | { |
mbed_official | 76:aeb1df146756 | 124 | SCB->SCR |= LowPowerMode; |
mbed_official | 76:aeb1df146756 | 125 | } |
mbed_official | 76:aeb1df146756 | 126 | else |
mbed_official | 76:aeb1df146756 | 127 | { |
mbed_official | 76:aeb1df146756 | 128 | SCB->SCR &= (uint32_t)(~(uint32_t)LowPowerMode); |
mbed_official | 76:aeb1df146756 | 129 | } |
mbed_official | 76:aeb1df146756 | 130 | } |
mbed_official | 76:aeb1df146756 | 131 | |
mbed_official | 76:aeb1df146756 | 132 | /** |
mbed_official | 76:aeb1df146756 | 133 | * @brief Configures the SysTick clock source. |
mbed_official | 76:aeb1df146756 | 134 | * @param SysTick_CLKSource: specifies the SysTick clock source. |
mbed_official | 76:aeb1df146756 | 135 | * This parameter can be one of the following values: |
mbed_official | 76:aeb1df146756 | 136 | * @arg SysTick_CLKSource_HCLK_Div8: AHB clock divided by 8 selected as SysTick clock source. |
mbed_official | 76:aeb1df146756 | 137 | * @arg SysTick_CLKSource_HCLK: AHB clock selected as SysTick clock source. |
mbed_official | 76:aeb1df146756 | 138 | * @retval None |
mbed_official | 76:aeb1df146756 | 139 | */ |
mbed_official | 76:aeb1df146756 | 140 | void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource) |
mbed_official | 76:aeb1df146756 | 141 | { |
mbed_official | 76:aeb1df146756 | 142 | /* Check the parameters */ |
mbed_official | 76:aeb1df146756 | 143 | assert_param(IS_SYSTICK_CLK_SOURCE(SysTick_CLKSource)); |
mbed_official | 76:aeb1df146756 | 144 | |
mbed_official | 76:aeb1df146756 | 145 | if (SysTick_CLKSource == SysTick_CLKSource_HCLK) |
mbed_official | 76:aeb1df146756 | 146 | { |
mbed_official | 76:aeb1df146756 | 147 | SysTick->CTRL |= SysTick_CLKSource_HCLK; |
mbed_official | 76:aeb1df146756 | 148 | } |
mbed_official | 76:aeb1df146756 | 149 | else |
mbed_official | 76:aeb1df146756 | 150 | { |
mbed_official | 76:aeb1df146756 | 151 | SysTick->CTRL &= SysTick_CLKSource_HCLK_Div8; |
mbed_official | 76:aeb1df146756 | 152 | } |
mbed_official | 76:aeb1df146756 | 153 | } |
mbed_official | 76:aeb1df146756 | 154 | |
mbed_official | 76:aeb1df146756 | 155 | /** |
mbed_official | 76:aeb1df146756 | 156 | * @} |
mbed_official | 76:aeb1df146756 | 157 | */ |
mbed_official | 76:aeb1df146756 | 158 | |
mbed_official | 76:aeb1df146756 | 159 | /** |
mbed_official | 76:aeb1df146756 | 160 | * @} |
mbed_official | 76:aeb1df146756 | 161 | */ |
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 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |