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_F030R8/stm32f0xx_crs.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?

UserRevisionLine numberNew contents of line
mbed_official 76:aeb1df146756 1 /**
mbed_official 76:aeb1df146756 2 ******************************************************************************
mbed_official 76:aeb1df146756 3 * @file stm32f0xx_crs.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 firmware functions to manage the following
mbed_official 76:aeb1df146756 8 * functionalities of CRS peripheral applicable only on STM32F042 and
mbed_official 76:aeb1df146756 9 * STM32F072 devices:
mbed_official 76:aeb1df146756 10 * + Configuration of the CRS peripheral
mbed_official 76:aeb1df146756 11 * + Interrupts and flags management
mbed_official 76:aeb1df146756 12 *
mbed_official 76:aeb1df146756 13 *
mbed_official 76:aeb1df146756 14 * @verbatim
mbed_official 76:aeb1df146756 15 ===============================================================================
mbed_official 76:aeb1df146756 16 ##### How to use this driver #####
mbed_official 76:aeb1df146756 17 ===============================================================================
mbed_official 76:aeb1df146756 18 [..]
mbed_official 76:aeb1df146756 19
mbed_official 76:aeb1df146756 20 (+) Enable CRS AHB clock using RCC_APB1eriphClockCmd(RCC_APB1Periph_CRS, ENABLE)
mbed_official 76:aeb1df146756 21 function
mbed_official 76:aeb1df146756 22
mbed_official 76:aeb1df146756 23
mbed_official 76:aeb1df146756 24 @endverbatim
mbed_official 76:aeb1df146756 25 *
mbed_official 76:aeb1df146756 26 ******************************************************************************
mbed_official 76:aeb1df146756 27 * @attention
mbed_official 76:aeb1df146756 28 *
mbed_official 76:aeb1df146756 29 * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
mbed_official 76:aeb1df146756 30 *
mbed_official 76:aeb1df146756 31 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
mbed_official 76:aeb1df146756 32 * You may not use this file except in compliance with the License.
mbed_official 76:aeb1df146756 33 * You may obtain a copy of the License at:
mbed_official 76:aeb1df146756 34 *
mbed_official 76:aeb1df146756 35 * http://www.st.com/software_license_agreement_liberty_v2
mbed_official 76:aeb1df146756 36 *
mbed_official 76:aeb1df146756 37 * Unless required by applicable law or agreed to in writing, software
mbed_official 76:aeb1df146756 38 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 76:aeb1df146756 39 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 76:aeb1df146756 40 * See the License for the specific language governing permissions and
mbed_official 76:aeb1df146756 41 * limitations under the License.
mbed_official 76:aeb1df146756 42 *
mbed_official 76:aeb1df146756 43 ******************************************************************************
mbed_official 76:aeb1df146756 44 */
mbed_official 76:aeb1df146756 45
mbed_official 76:aeb1df146756 46 /* Includes ------------------------------------------------------------------*/
mbed_official 76:aeb1df146756 47 #include "stm32f0xx_crs.h"
mbed_official 76:aeb1df146756 48 #include "stm32f0xx_rcc.h"
mbed_official 76:aeb1df146756 49
mbed_official 76:aeb1df146756 50 /** @addtogroup STM32F0xx_StdPeriph_Driver
mbed_official 76:aeb1df146756 51 * @{
mbed_official 76:aeb1df146756 52 */
mbed_official 76:aeb1df146756 53
mbed_official 76:aeb1df146756 54 /** @defgroup CRS
mbed_official 76:aeb1df146756 55 * @brief CRS driver modules
mbed_official 76:aeb1df146756 56 * @{
mbed_official 76:aeb1df146756 57 */
mbed_official 76:aeb1df146756 58
mbed_official 76:aeb1df146756 59 /* Private typedef -----------------------------------------------------------*/
mbed_official 76:aeb1df146756 60 /* Private define ------------------------------------------------------------*/
mbed_official 76:aeb1df146756 61 /* CRS Flag Mask */
mbed_official 76:aeb1df146756 62 #define FLAG_MASK ((uint32_t)0x700)
mbed_official 76:aeb1df146756 63
mbed_official 76:aeb1df146756 64 /* Private macro -------------------------------------------------------------*/
mbed_official 76:aeb1df146756 65 /* Private variables ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 66 /* Private function prototypes -----------------------------------------------*/
mbed_official 76:aeb1df146756 67 /* Private functions ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 68
mbed_official 76:aeb1df146756 69 /** @defgroup CRS_Private_Functions
mbed_official 76:aeb1df146756 70 * @{
mbed_official 76:aeb1df146756 71 */
mbed_official 76:aeb1df146756 72
mbed_official 76:aeb1df146756 73 /** @defgroup CRS_Group1 Configuration of the CRS functions
mbed_official 76:aeb1df146756 74 * @brief Configuration of the CRS functions
mbed_official 76:aeb1df146756 75 *
mbed_official 76:aeb1df146756 76 @verbatim
mbed_official 76:aeb1df146756 77 ===============================================================================
mbed_official 76:aeb1df146756 78 ##### CRS configuration functions #####
mbed_official 76:aeb1df146756 79 ===============================================================================
mbed_official 76:aeb1df146756 80
mbed_official 76:aeb1df146756 81 @endverbatim
mbed_official 76:aeb1df146756 82 * @{
mbed_official 76:aeb1df146756 83 */
mbed_official 76:aeb1df146756 84
mbed_official 76:aeb1df146756 85 /**
mbed_official 76:aeb1df146756 86 * @brief Deinitializes CRS peripheral registers to their default reset values.
mbed_official 76:aeb1df146756 87 * @param None
mbed_official 76:aeb1df146756 88 * @retval None
mbed_official 76:aeb1df146756 89 */
mbed_official 76:aeb1df146756 90 void CRS_DeInit(void)
mbed_official 76:aeb1df146756 91 {
mbed_official 76:aeb1df146756 92 RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, ENABLE);
mbed_official 76:aeb1df146756 93 RCC_APB1PeriphResetCmd(RCC_APB1Periph_CRS, DISABLE);
mbed_official 76:aeb1df146756 94 }
mbed_official 76:aeb1df146756 95
mbed_official 76:aeb1df146756 96 /**
mbed_official 76:aeb1df146756 97 * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
mbed_official 76:aeb1df146756 98 * @note The calibration is used to compensate for the variations in voltage
mbed_official 76:aeb1df146756 99 * and temperature that influence the frequency of the internal HSI48 RC.
mbed_official 76:aeb1df146756 100 * @note This function can be called only when the AUTOTRIMEN bit is reset.
mbed_official 76:aeb1df146756 101 * @param CRS_HSI48CalibrationValue:
mbed_official 76:aeb1df146756 102 * @retval None
mbed_official 76:aeb1df146756 103 */
mbed_official 76:aeb1df146756 104 void CRS_AdjustHSI48CalibrationValue(uint8_t CRS_HSI48CalibrationValue)
mbed_official 76:aeb1df146756 105 {
mbed_official 76:aeb1df146756 106 /* Clear TRIM[5:0] bits */
mbed_official 76:aeb1df146756 107 CRS->CR &= ~CRS_CR_TRIM;
mbed_official 76:aeb1df146756 108
mbed_official 76:aeb1df146756 109 /* Set the TRIM[5:0] bits according to CRS_HSI48CalibrationValue value */
mbed_official 76:aeb1df146756 110 CRS->CR |= (uint32_t)((uint32_t)CRS_HSI48CalibrationValue << 8);
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 Enables or disables the oscillator clock for frequency error counter.
mbed_official 76:aeb1df146756 116 * @note when the CEN bit is set the CRS_CFGR register becomes write-protected.
mbed_official 76:aeb1df146756 117 * @param NewState: new state of the frequency error counter.
mbed_official 76:aeb1df146756 118 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 119 * @retval None
mbed_official 76:aeb1df146756 120 */
mbed_official 76:aeb1df146756 121 void CRS_FrequencyErrorCounterCmd(FunctionalState NewState)
mbed_official 76:aeb1df146756 122 {
mbed_official 76:aeb1df146756 123 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 124
mbed_official 76:aeb1df146756 125 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 126 {
mbed_official 76:aeb1df146756 127 CRS->CR |= CRS_CR_CEN;
mbed_official 76:aeb1df146756 128 }
mbed_official 76:aeb1df146756 129 else
mbed_official 76:aeb1df146756 130 {
mbed_official 76:aeb1df146756 131 CRS->CR &= ~CRS_CR_CEN;
mbed_official 76:aeb1df146756 132 }
mbed_official 76:aeb1df146756 133 }
mbed_official 76:aeb1df146756 134
mbed_official 76:aeb1df146756 135 /**
mbed_official 76:aeb1df146756 136 * @brief Enables or disables the automatic hardware adjustement of TRIM bits.
mbed_official 76:aeb1df146756 137 * @note When the AUTOTRIMEN bit is set the CRS_CFGR register becomes write-protected.
mbed_official 76:aeb1df146756 138 * @param NewState: new state of the automatic trimming.
mbed_official 76:aeb1df146756 139 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 140 * @retval None
mbed_official 76:aeb1df146756 141 */
mbed_official 76:aeb1df146756 142 void CRS_AutomaticCalibrationCmd(FunctionalState NewState)
mbed_official 76:aeb1df146756 143 {
mbed_official 76:aeb1df146756 144 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 145
mbed_official 76:aeb1df146756 146 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 147 {
mbed_official 76:aeb1df146756 148 CRS->CR |= CRS_CR_AUTOTRIMEN;
mbed_official 76:aeb1df146756 149 }
mbed_official 76:aeb1df146756 150 else
mbed_official 76:aeb1df146756 151 {
mbed_official 76:aeb1df146756 152 CRS->CR &= ~CRS_CR_AUTOTRIMEN;
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 * @brief Generate the software synchronization event
mbed_official 76:aeb1df146756 158 * @param None
mbed_official 76:aeb1df146756 159 * @retval None
mbed_official 76:aeb1df146756 160 */
mbed_official 76:aeb1df146756 161 void CRS_SoftwareSynchronizationGenerate(void)
mbed_official 76:aeb1df146756 162 {
mbed_official 76:aeb1df146756 163 CRS->CR |= CRS_CR_SWSYNC;
mbed_official 76:aeb1df146756 164 }
mbed_official 76:aeb1df146756 165
mbed_official 76:aeb1df146756 166 /**
mbed_official 76:aeb1df146756 167 * @brief Adjusts the Internal High Speed 48 oscillator (HSI 48) calibration value.
mbed_official 76:aeb1df146756 168 * @note The calibration is used to compensate for the variations in voltage
mbed_official 76:aeb1df146756 169 * and temperature that influence the frequency of the internal HSI48 RC.
mbed_official 76:aeb1df146756 170 * @note This function can be called only when the CEN bit is reset.
mbed_official 76:aeb1df146756 171 * @param CRS_ReloadValue: specifies the HSI calibration trimming value.
mbed_official 76:aeb1df146756 172 * This parameter must be a number between 0 and .
mbed_official 76:aeb1df146756 173 * @retval None
mbed_official 76:aeb1df146756 174 */
mbed_official 76:aeb1df146756 175 void CRS_FrequencyErrorCounterReload(uint32_t CRS_ReloadValue)
mbed_official 76:aeb1df146756 176 {
mbed_official 76:aeb1df146756 177
mbed_official 76:aeb1df146756 178 /* Clear RELOAD[15:0] bits */
mbed_official 76:aeb1df146756 179 CRS->CFGR &= ~CRS_CFGR_RELOAD;
mbed_official 76:aeb1df146756 180
mbed_official 76:aeb1df146756 181 /* Set the RELOAD[15:0] bits according to CRS_ReloadValue value */
mbed_official 76:aeb1df146756 182 CRS->CFGR |= (uint32_t)CRS_ReloadValue;
mbed_official 76:aeb1df146756 183
mbed_official 76:aeb1df146756 184 }
mbed_official 76:aeb1df146756 185
mbed_official 76:aeb1df146756 186 /**
mbed_official 76:aeb1df146756 187 * @brief
mbed_official 76:aeb1df146756 188 * @note This function can be called only when the CEN bit is reset.
mbed_official 76:aeb1df146756 189 * @param CRS_ErrorLimitValue: specifies the HSI calibration trimming value.
mbed_official 76:aeb1df146756 190 * This parameter must be a number between 0 and .
mbed_official 76:aeb1df146756 191 * @retval None
mbed_official 76:aeb1df146756 192 */
mbed_official 76:aeb1df146756 193 void CRS_FrequencyErrorLimitConfig(uint8_t CRS_ErrorLimitValue)
mbed_official 76:aeb1df146756 194 {
mbed_official 76:aeb1df146756 195 /* Clear FELIM[7:0] bits */
mbed_official 76:aeb1df146756 196 CRS->CFGR &= ~CRS_CFGR_FELIM;
mbed_official 76:aeb1df146756 197
mbed_official 76:aeb1df146756 198 /* Set the FELIM[7:0] bits according to CRS_ErrorLimitValue value */
mbed_official 76:aeb1df146756 199 CRS->CFGR |= (uint32_t)CRS_ErrorLimitValue;
mbed_official 76:aeb1df146756 200 }
mbed_official 76:aeb1df146756 201
mbed_official 76:aeb1df146756 202 /**
mbed_official 76:aeb1df146756 203 * @brief
mbed_official 76:aeb1df146756 204 * @note This function can be called only when the CEN bit is reset.
mbed_official 76:aeb1df146756 205 * @param CRS_Prescaler: specifies the HSI calibration trimming value.
mbed_official 76:aeb1df146756 206 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 207 * @arg CRS_SYNC_Div1:
mbed_official 76:aeb1df146756 208 * @arg CRS_SYNC_Div2:
mbed_official 76:aeb1df146756 209 * @arg CRS_SYNC_Div4:
mbed_official 76:aeb1df146756 210 * @arg CRS_SYNC_Div8:
mbed_official 76:aeb1df146756 211 * @arg CRS_SYNC_Div16:
mbed_official 76:aeb1df146756 212 * @arg CRS_SYNC_Div32:
mbed_official 76:aeb1df146756 213 * @arg CRS_SYNC_Div64:
mbed_official 76:aeb1df146756 214 * @arg CRS_SYNC_Div128:
mbed_official 76:aeb1df146756 215 * @retval None
mbed_official 76:aeb1df146756 216 */
mbed_official 76:aeb1df146756 217 void CRS_SynchronizationPrescalerConfig(uint32_t CRS_Prescaler)
mbed_official 76:aeb1df146756 218 {
mbed_official 76:aeb1df146756 219 /* Check the parameters */
mbed_official 76:aeb1df146756 220 assert_param(IS_CRS_SYNC_DIV(CRS_Prescaler));
mbed_official 76:aeb1df146756 221
mbed_official 76:aeb1df146756 222 /* Clear SYNCDIV[2:0] bits */
mbed_official 76:aeb1df146756 223 CRS->CFGR &= ~CRS_CFGR_SYNCDIV;
mbed_official 76:aeb1df146756 224
mbed_official 76:aeb1df146756 225 /* Set the CRS_CFGR_SYNCDIV[2:0] bits according to CRS_Prescaler value */
mbed_official 76:aeb1df146756 226 CRS->CFGR |= CRS_Prescaler;
mbed_official 76:aeb1df146756 227 }
mbed_official 76:aeb1df146756 228
mbed_official 76:aeb1df146756 229 /**
mbed_official 76:aeb1df146756 230 * @brief
mbed_official 76:aeb1df146756 231 * @note This function can be called only when the CEN bit is reset.
mbed_official 76:aeb1df146756 232 * @param CRS_Source: .
mbed_official 76:aeb1df146756 233 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 234 * @arg CRS_SYNCSource_GPIO:
mbed_official 76:aeb1df146756 235 * @arg CRS_SYNCSource_LSE:
mbed_official 76:aeb1df146756 236 * @arg CRS_SYNCSource_USB:
mbed_official 76:aeb1df146756 237 * @retval None
mbed_official 76:aeb1df146756 238 */
mbed_official 76:aeb1df146756 239 void CRS_SynchronizationSourceConfig(uint32_t CRS_Source)
mbed_official 76:aeb1df146756 240 {
mbed_official 76:aeb1df146756 241 /* Check the parameters */
mbed_official 76:aeb1df146756 242 assert_param(IS_CRS_SYNC_SOURCE(CRS_Source));
mbed_official 76:aeb1df146756 243
mbed_official 76:aeb1df146756 244 /* Clear SYNCSRC[1:0] bits */
mbed_official 76:aeb1df146756 245 CRS->CFGR &= ~CRS_CFGR_SYNCSRC;
mbed_official 76:aeb1df146756 246
mbed_official 76:aeb1df146756 247 /* Set the SYNCSRC[1:0] bits according to CRS_Source value */
mbed_official 76:aeb1df146756 248 CRS->CFGR |= CRS_Source;
mbed_official 76:aeb1df146756 249 }
mbed_official 76:aeb1df146756 250
mbed_official 76:aeb1df146756 251 /**
mbed_official 76:aeb1df146756 252 * @brief
mbed_official 76:aeb1df146756 253 * @note This function can be called only when the CEN bit is reset.
mbed_official 76:aeb1df146756 254 * @param CRS_Polarity: .
mbed_official 76:aeb1df146756 255 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 256 * @arg CRS_SYNCPolarity_Rising:
mbed_official 76:aeb1df146756 257 * @arg CRS_SYNCPolarity_Falling:
mbed_official 76:aeb1df146756 258 * @retval None
mbed_official 76:aeb1df146756 259 */
mbed_official 76:aeb1df146756 260 void CRS_SynchronizationPolarityConfig(uint32_t CRS_Polarity)
mbed_official 76:aeb1df146756 261 {
mbed_official 76:aeb1df146756 262 /* Check the parameters */
mbed_official 76:aeb1df146756 263 assert_param(IS_CRS_SYNC_POLARITY(CRS_Polarity));
mbed_official 76:aeb1df146756 264
mbed_official 76:aeb1df146756 265 /* Clear SYNCSPOL bit */
mbed_official 76:aeb1df146756 266 CRS->CFGR &= ~CRS_CFGR_SYNCPOL;
mbed_official 76:aeb1df146756 267
mbed_official 76:aeb1df146756 268 /* Set the SYNCSPOL bits according to CRS_Polarity value */
mbed_official 76:aeb1df146756 269 CRS->CFGR |= CRS_Polarity;
mbed_official 76:aeb1df146756 270 }
mbed_official 76:aeb1df146756 271
mbed_official 76:aeb1df146756 272 /**
mbed_official 76:aeb1df146756 273 * @brief Returns the Relaod value.
mbed_official 76:aeb1df146756 274 * @param None
mbed_official 76:aeb1df146756 275 * @retval The reload value
mbed_official 76:aeb1df146756 276 */
mbed_official 76:aeb1df146756 277 uint32_t CRS_GetReloadValue(void)
mbed_official 76:aeb1df146756 278 {
mbed_official 76:aeb1df146756 279 return ((uint32_t)(CRS->CFGR & CRS_CFGR_RELOAD));
mbed_official 76:aeb1df146756 280 }
mbed_official 76:aeb1df146756 281
mbed_official 76:aeb1df146756 282 /**
mbed_official 76:aeb1df146756 283 * @brief Returns the HSI48 Calibration value.
mbed_official 76:aeb1df146756 284 * @param None
mbed_official 76:aeb1df146756 285 * @retval The reload value
mbed_official 76:aeb1df146756 286 */
mbed_official 76:aeb1df146756 287 uint32_t CRS_GetHSI48CalibrationValue(void)
mbed_official 76:aeb1df146756 288 {
mbed_official 76:aeb1df146756 289 return (((uint32_t)(CRS->CR & CRS_CR_TRIM)) >> 8);
mbed_official 76:aeb1df146756 290 }
mbed_official 76:aeb1df146756 291
mbed_official 76:aeb1df146756 292 /**
mbed_official 76:aeb1df146756 293 * @brief Returns the frequency error capture.
mbed_official 76:aeb1df146756 294 * @param None
mbed_official 76:aeb1df146756 295 * @retval The frequency error capture value
mbed_official 76:aeb1df146756 296 */
mbed_official 76:aeb1df146756 297 uint32_t CRS_GetFrequencyErrorValue(void)
mbed_official 76:aeb1df146756 298 {
mbed_official 76:aeb1df146756 299 return ((uint32_t)(CRS->ISR & CRS_ISR_FECAP));
mbed_official 76:aeb1df146756 300 }
mbed_official 76:aeb1df146756 301
mbed_official 76:aeb1df146756 302 /**
mbed_official 76:aeb1df146756 303 * @brief Returns the frequency error direction.
mbed_official 76:aeb1df146756 304 * @param None
mbed_official 76:aeb1df146756 305 * @retval The frequency error direction. The returned value can be one
mbed_official 76:aeb1df146756 306 * of the following values:
mbed_official 76:aeb1df146756 307 * - 0x00: Up counting
mbed_official 76:aeb1df146756 308 * - 0x8000: Down counting
mbed_official 76:aeb1df146756 309 */
mbed_official 76:aeb1df146756 310 uint32_t CRS_GetFrequencyErrorDirection(void)
mbed_official 76:aeb1df146756 311 {
mbed_official 76:aeb1df146756 312 return ((uint32_t)(CRS->ISR & CRS_ISR_FEDIR));
mbed_official 76:aeb1df146756 313 }
mbed_official 76:aeb1df146756 314
mbed_official 76:aeb1df146756 315 /** @defgroup CRS_Group2 Interrupts and flags management functions
mbed_official 76:aeb1df146756 316 * @brief Interrupts and flags management functions
mbed_official 76:aeb1df146756 317 *
mbed_official 76:aeb1df146756 318 @verbatim
mbed_official 76:aeb1df146756 319 ===============================================================================
mbed_official 76:aeb1df146756 320 ##### Interrupts and flags management functions #####
mbed_official 76:aeb1df146756 321 ===============================================================================
mbed_official 76:aeb1df146756 322 @endverbatim
mbed_official 76:aeb1df146756 323 * @{
mbed_official 76:aeb1df146756 324 */
mbed_official 76:aeb1df146756 325 /**
mbed_official 76:aeb1df146756 326 * @brief Enables or disables the specified CRS interrupts.
mbed_official 76:aeb1df146756 327 * @param CRS_IT: specifies the RCC interrupt sources to be enabled or disabled.
mbed_official 76:aeb1df146756 328 * This parameter can be any combination of the following values:
mbed_official 76:aeb1df146756 329 * @arg CRS_IT_SYNCOK:
mbed_official 76:aeb1df146756 330 * @arg CRS_IT_SYNCWARN:
mbed_official 76:aeb1df146756 331 * @arg CRS_IT_ERR:
mbed_official 76:aeb1df146756 332 * @arg CRS_IT_ESYNC:
mbed_official 76:aeb1df146756 333 * @param NewState: new state of the specified CRS interrupts.
mbed_official 76:aeb1df146756 334 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 335 * @retval None
mbed_official 76:aeb1df146756 336 */
mbed_official 76:aeb1df146756 337 void CRS_ITConfig(uint32_t CRS_IT, FunctionalState NewState)
mbed_official 76:aeb1df146756 338 {
mbed_official 76:aeb1df146756 339 /* Check the parameters */
mbed_official 76:aeb1df146756 340 assert_param(IS_CRS_IT(CRS_IT));
mbed_official 76:aeb1df146756 341 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 342
mbed_official 76:aeb1df146756 343 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 344 {
mbed_official 76:aeb1df146756 345 CRS->CR |= CRS_IT;
mbed_official 76:aeb1df146756 346 }
mbed_official 76:aeb1df146756 347 else
mbed_official 76:aeb1df146756 348 {
mbed_official 76:aeb1df146756 349 CRS->CR &= ~CRS_IT;
mbed_official 76:aeb1df146756 350 }
mbed_official 76:aeb1df146756 351 }
mbed_official 76:aeb1df146756 352
mbed_official 76:aeb1df146756 353 /**
mbed_official 76:aeb1df146756 354 * @brief Checks whether the specified CRS flag is set or not.
mbed_official 76:aeb1df146756 355 * @param CRS_FLAG: specifies the flag to check.
mbed_official 76:aeb1df146756 356 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 357 * @arg CRS_FLAG_SYNCOK:
mbed_official 76:aeb1df146756 358 * @arg CRS_FLAG_SYNCWARN:
mbed_official 76:aeb1df146756 359 * @arg CRS_FLAG_ERR:
mbed_official 76:aeb1df146756 360 * @arg CRS_FLAG_ESYNC:
mbed_official 76:aeb1df146756 361 * @arg CRS_FLAG_TRIMOVF:
mbed_official 76:aeb1df146756 362 * @arg CRS_FLAG_SYNCERR:
mbed_official 76:aeb1df146756 363 * @arg CRS_FLAG_SYNCMISS:
mbed_official 76:aeb1df146756 364 * @retval The new state of CRS_FLAG (SET or RESET).
mbed_official 76:aeb1df146756 365 */
mbed_official 76:aeb1df146756 366 FlagStatus CRS_GetFlagStatus(uint32_t CRS_FLAG)
mbed_official 76:aeb1df146756 367 {
mbed_official 76:aeb1df146756 368 /* Check the parameters */
mbed_official 76:aeb1df146756 369 assert_param(IS_CRS_FLAG(CRS_FLAG));
mbed_official 76:aeb1df146756 370
mbed_official 76:aeb1df146756 371 return ((FlagStatus)(CRS->ISR & CRS_FLAG));
mbed_official 76:aeb1df146756 372 }
mbed_official 76:aeb1df146756 373
mbed_official 76:aeb1df146756 374 /**
mbed_official 76:aeb1df146756 375 * @brief Clears the CRS specified FLAG.
mbed_official 76:aeb1df146756 376 * @param CRS_FLAG: specifies the flag to check.
mbed_official 76:aeb1df146756 377 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 378 * @arg CRS_FLAG_SYNCOK:
mbed_official 76:aeb1df146756 379 * @arg CRS_FLAG_SYNCWARN:
mbed_official 76:aeb1df146756 380 * @arg CRS_FLAG_ERR:
mbed_official 76:aeb1df146756 381 * @arg CRS_FLAG_ESYNC:
mbed_official 76:aeb1df146756 382 * @arg CRS_FLAG_TRIMOVF:
mbed_official 76:aeb1df146756 383 * @arg CRS_FLAG_SYNCERR:
mbed_official 76:aeb1df146756 384 * @arg CRS_FLAG_SYNCMISS:
mbed_official 76:aeb1df146756 385 * @retval None
mbed_official 76:aeb1df146756 386 */
mbed_official 76:aeb1df146756 387 void CRS_ClearFlag(uint32_t CRS_FLAG)
mbed_official 76:aeb1df146756 388 {
mbed_official 76:aeb1df146756 389 /* Check the parameters */
mbed_official 76:aeb1df146756 390 assert_param(IS_CRS_FLAG(CRS_FLAG));
mbed_official 76:aeb1df146756 391
mbed_official 76:aeb1df146756 392 if ((CRS_FLAG & FLAG_MASK)!= 0)
mbed_official 76:aeb1df146756 393 {
mbed_official 76:aeb1df146756 394 CRS->ICR |= CRS_ICR_ERRC;
mbed_official 76:aeb1df146756 395 }
mbed_official 76:aeb1df146756 396 else
mbed_official 76:aeb1df146756 397 {
mbed_official 76:aeb1df146756 398 CRS->ICR |= CRS_FLAG;
mbed_official 76:aeb1df146756 399 }
mbed_official 76:aeb1df146756 400 }
mbed_official 76:aeb1df146756 401
mbed_official 76:aeb1df146756 402 /**
mbed_official 76:aeb1df146756 403 * @brief Checks whether the specified CRS IT pending bit is set or not.
mbed_official 76:aeb1df146756 404 * @param CRS_IT: specifies the IT pending bit to check.
mbed_official 76:aeb1df146756 405 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 406 * @arg CRS_IT_SYNCOK:
mbed_official 76:aeb1df146756 407 * @arg CRS_IT_SYNCWARN:
mbed_official 76:aeb1df146756 408 * @arg CRS_IT_ERR:
mbed_official 76:aeb1df146756 409 * @arg CRS_IT_ESYNC:
mbed_official 76:aeb1df146756 410 * @arg CRS_IT_TRIMOVF:
mbed_official 76:aeb1df146756 411 * @arg CRS_IT_SYNCERR:
mbed_official 76:aeb1df146756 412 * @arg CRS_IT_SYNCMISS:
mbed_official 76:aeb1df146756 413 * @retval The new state of CRS_IT (SET or RESET).
mbed_official 76:aeb1df146756 414 */
mbed_official 76:aeb1df146756 415 ITStatus CRS_GetITStatus(uint32_t CRS_IT)
mbed_official 76:aeb1df146756 416 {
mbed_official 76:aeb1df146756 417 /* Check the parameters */
mbed_official 76:aeb1df146756 418 assert_param(IS_CRS_GET_IT(CRS_IT));
mbed_official 76:aeb1df146756 419
mbed_official 76:aeb1df146756 420 return ((ITStatus)(CRS->ISR & CRS_IT));
mbed_official 76:aeb1df146756 421 }
mbed_official 76:aeb1df146756 422
mbed_official 76:aeb1df146756 423 /**
mbed_official 76:aeb1df146756 424 * @brief Clears the CRS specified IT pending bi.
mbed_official 76:aeb1df146756 425 * @param CRS_FLAG: specifies the IT pending bi to clear.
mbed_official 76:aeb1df146756 426 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 427 * @arg CRS_IT_SYNCOK:
mbed_official 76:aeb1df146756 428 * @arg CRS_IT_SYNCWARN:
mbed_official 76:aeb1df146756 429 * @arg CRS_IT_ERR:
mbed_official 76:aeb1df146756 430 * @arg CRS_IT_ESYNC:
mbed_official 76:aeb1df146756 431 * @arg CRS_IT_TRIMOVF:
mbed_official 76:aeb1df146756 432 * @arg CRS_IT_SYNCERR:
mbed_official 76:aeb1df146756 433 * @arg CRS_IT_SYNCMISS:
mbed_official 76:aeb1df146756 434 * @retval None
mbed_official 76:aeb1df146756 435 */
mbed_official 76:aeb1df146756 436 void CRS_ClearITPendingBit(uint32_t CRS_IT)
mbed_official 76:aeb1df146756 437 {
mbed_official 76:aeb1df146756 438 /* Check the parameters */
mbed_official 76:aeb1df146756 439 assert_param(IS_CRS_CLEAR_IT(CRS_IT));
mbed_official 76:aeb1df146756 440
mbed_official 76:aeb1df146756 441 if ((CRS_IT & FLAG_MASK)!= 0)
mbed_official 76:aeb1df146756 442 {
mbed_official 76:aeb1df146756 443 CRS->ICR |= CRS_ICR_ERRC;
mbed_official 76:aeb1df146756 444 }
mbed_official 76:aeb1df146756 445 else
mbed_official 76:aeb1df146756 446 {
mbed_official 76:aeb1df146756 447 CRS->ICR |= CRS_IT;
mbed_official 76:aeb1df146756 448 }
mbed_official 76:aeb1df146756 449 }
mbed_official 76:aeb1df146756 450 /**
mbed_official 76:aeb1df146756 451 * @}
mbed_official 76:aeb1df146756 452 */
mbed_official 76:aeb1df146756 453
mbed_official 76:aeb1df146756 454 /**
mbed_official 76:aeb1df146756 455 * @}
mbed_official 76:aeb1df146756 456 */
mbed_official 76:aeb1df146756 457
mbed_official 76:aeb1df146756 458 /**
mbed_official 76:aeb1df146756 459 * @}
mbed_official 76:aeb1df146756 460 */
mbed_official 76:aeb1df146756 461
mbed_official 76:aeb1df146756 462 /**
mbed_official 76:aeb1df146756 463 * @}
mbed_official 76:aeb1df146756 464 */
mbed_official 76:aeb1df146756 465
mbed_official 76:aeb1df146756 466 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/