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Location: protofuse-firmware/drivers/STM32F3xx_HAL_Driver/Src/stm32f3xx_hal_rcc_ex.c
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Added interrupts to code
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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 | /**
******************************************************************************
* @file stm32f3xx_hal_rcc_ex.c
* @author MCD Application Team
* @version V1.1.1
* @date 19-June-2015
* @brief Extended RCC HAL module driver
* This file provides firmware functions to manage the following
* functionalities RCC Extended peripheral:
* + Extended Clock Source configuration functions
*
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f3xx_hal.h"
/** @addtogroup STM32F3xx_HAL_Driver
* @{
*/
/** @defgroup RCCEx RCC Extended HAL module driver
* @brief RCC Extended HAL module driver.
* @{
*/
#ifdef HAL_RCC_MODULE_ENABLED
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/** @defgroup RCCEx_Private_Define RCC Extended Private Define
* @{
*/
#define HSE_TIMEOUT_VALUE HSE_STARTUP_TIMEOUT
#define HSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
#define LSI_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
#define PLL_TIMEOUT_VALUE ((uint32_t)100) /* 100 ms */
#define CLOCKSWITCH_TIMEOUT_VALUE ((uint32_t)5000) /* 5 s */
/**
* @}
*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup RCCEx_Private_Variables RCC Extented Private Variables
* @{
*/
const uint8_t PLLMULFactorTable[16] = { 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 16};
const uint8_t PredivFactorTable[16] = { 1, 2, 3, 4, 5, 6, 7, 8,
9,10, 11, 12, 13, 14, 15, 16};
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup RCCEx_Exported_Functions RCC Extended Exported Functions
* @{
*/
/** @defgroup RCCEx_Exported_Functions_Group1 Extended Peripheral Control functions
* @brief Extended Peripheral Control functions
*
@verbatim
===============================================================================
##### Extended Peripheral Control functions #####
===============================================================================
[..]
This subsection provides a set of functions allowing to control the RCC Clocks
frequencies.
[..]
(@) Important note: Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to
select the RTC clock source; in this case the Backup domain will be reset in
order to modify the RTC Clock source, as consequence RTC registers (including
the backup registers) and RCC_BDCR register are set to their reset values.
@endverbatim
* @{
*/
/**
* @brief Initializes the RCC extended peripherals clocks according to the specified
* parameters in the RCC_PeriphCLKInitTypeDef.
* @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that
* contains the configuration information for the Extended Peripherals clocks
* (ADC, CEC, I2C, I2S, SDADC, HRTIM, TIM, USART, RTC and USB).
*
* @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
* the RTC clock source; in this case the Backup domain will be reset in
* order to modify the RTC Clock source, as consequence RTC registers (including
* the backup registers) and RCC_BDCR register are set to their reset values.
*
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RCCEx_PeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit)
{
uint32_t tickstart = 0;
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_RCC_PERIPHCLK(PeriphClkInit->PeriphClockSelection));
/*---------------------------- RTC configuration -------------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_RTC) == (RCC_PERIPHCLK_RTC))
{
/* Enable Power Clock*/
__PWR_CLK_ENABLE();
/* Enable write access to Backup domain */
SET_BIT(PWR->CR, PWR_CR_DBP);
/* Wait for Backup domain Write protection disable */
tickstart = HAL_GetTick();
while((PWR->CR & PWR_CR_DBP) == RESET)
{
if((HAL_GetTick()-tickstart) > DBP_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
/* Reset the Backup domain only if the RTC Clock source selction is modified */
if((RCC->BDCR & RCC_BDCR_RTCSEL) != (PeriphClkInit->RTCClockSelection & RCC_BDCR_RTCSEL))
{
/* Store the content of BDCR register before the reset of Backup Domain */
tmpreg = (RCC->BDCR & ~(RCC_BDCR_RTCSEL));
/* RTC Clock selection can be changed only if the Backup Domain is reset */
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
/* Restore the Content of BDCR register */
RCC->BDCR = tmpreg;
}
/* If LSE is selected as RTC clock source, wait for LSE reactivation */
if(PeriphClkInit->RTCClockSelection == RCC_RTCCLKSOURCE_LSE)
{
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
{
if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
__HAL_RCC_RTC_CONFIG(PeriphClkInit->RTCClockSelection);
}
/*------------------------------- USART1 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART1) == RCC_PERIPHCLK_USART1)
{
/* Check the parameters */
assert_param(IS_RCC_USART1CLKSOURCE(PeriphClkInit->Usart1ClockSelection));
/* Configure the USART1 clock source */
__HAL_RCC_USART1_CONFIG(PeriphClkInit->Usart1ClockSelection);
}
/*----------------------------- USART2 Configuration --------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART2) == RCC_PERIPHCLK_USART2)
{
/* Check the parameters */
assert_param(IS_RCC_USART2CLKSOURCE(PeriphClkInit->Usart2ClockSelection));
/* Configure the USART2 clock source */
__HAL_RCC_USART2_CONFIG(PeriphClkInit->Usart2ClockSelection);
}
/*------------------------------ USART3 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USART3) == RCC_PERIPHCLK_USART3)
{
/* Check the parameters */
assert_param(IS_RCC_USART3CLKSOURCE(PeriphClkInit->Usart3ClockSelection));
/* Configure the USART3 clock source */
__HAL_RCC_USART3_CONFIG(PeriphClkInit->Usart3ClockSelection);
}
/*------------------------------ I2C1 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C1) == RCC_PERIPHCLK_I2C1)
{
/* Check the parameters */
assert_param(IS_RCC_I2C1CLKSOURCE(PeriphClkInit->I2c1ClockSelection));
/* Configure the I2C1 clock source */
__HAL_RCC_I2C1_CONFIG(PeriphClkInit->I2c1ClockSelection);
}
#if defined(STM32F302xE) || defined(STM32F303xE) || \
defined(STM32F302xC) || defined(STM32F303xC) || \
defined(STM32F302x8) || \
defined(STM32F373xC)
/*------------------------------ USB Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_USB) == RCC_PERIPHCLK_USB)
{
/* Check the parameters */
assert_param(IS_RCC_USBCLKSOURCE(PeriphClkInit->USBClockSelection));
/* Configure the USB clock source */
__HAL_RCC_USB_CONFIG(PeriphClkInit->USBClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || */
/* STM32F302xC || STM32F303xC || */
/* STM32F302x8 || */
/* STM32F373xC */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/*------------------------------ I2C2 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C2) == RCC_PERIPHCLK_I2C2)
{
/* Check the parameters */
assert_param(IS_RCC_I2C2CLKSOURCE(PeriphClkInit->I2c2ClockSelection));
/* Configure the I2C2 clock source */
__HAL_RCC_I2C2_CONFIG(PeriphClkInit->I2c2ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/*------------------------------ I2C3 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2C3) == RCC_PERIPHCLK_I2C3)
{
/* Check the parameters */
assert_param(IS_RCC_I2C3CLKSOURCE(PeriphClkInit->I2c3ClockSelection));
/* Configure the I2C3 clock source */
__HAL_RCC_I2C3_CONFIG(PeriphClkInit->I2c3ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx)
/*------------------------------ UART4 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART4) == RCC_PERIPHCLK_UART4)
{
/* Check the parameters */
assert_param(IS_RCC_UART4CLKSOURCE(PeriphClkInit->Uart4ClockSelection));
/* Configure the UART4 clock source */
__HAL_RCC_UART4_CONFIG(PeriphClkInit->Uart4ClockSelection);
}
/*------------------------------ UART5 Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_UART5) == RCC_PERIPHCLK_UART5)
{
/* Check the parameters */
assert_param(IS_RCC_UART5CLKSOURCE(PeriphClkInit->Uart5ClockSelection));
/* Configure the UART5 clock source */
__HAL_RCC_UART5_CONFIG(PeriphClkInit->Uart5ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/*------------------------------ I2S Configuration ------------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_I2S) == RCC_PERIPHCLK_I2S)
{
/* Check the parameters */
assert_param(IS_RCC_I2SCLKSOURCE(PeriphClkInit->I2sClockSelection));
/* Configure the I2S clock source */
__HAL_RCC_I2S_CONFIG(PeriphClkInit->I2sClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/*------------------------------ ADC1 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC1) == RCC_PERIPHCLK_ADC1)
{
/* Check the parameters */
assert_param(IS_RCC_ADC1PLLCLK_DIV(PeriphClkInit->Adc1ClockSelection));
/* Configure the ADC1 clock source */
__HAL_RCC_ADC1_CONFIG(PeriphClkInit->Adc1ClockSelection);
}
#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
/*------------------------------ ADC1 & ADC2 clock Configuration -------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC12) == RCC_PERIPHCLK_ADC12)
{
/* Check the parameters */
assert_param(IS_RCC_ADC12PLLCLK_DIV(PeriphClkInit->Adc12ClockSelection));
/* Configure the ADC12 clock source */
__HAL_RCC_ADC12_CONFIG(PeriphClkInit->Adc12ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx)
/*------------------------------ ADC3 & ADC4 clock Configuration -------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC34) == RCC_PERIPHCLK_ADC34)
{
/* Check the parameters */
assert_param(IS_RCC_ADC34PLLCLK_DIV(PeriphClkInit->Adc34ClockSelection));
/* Configure the ADC34 clock source */
__HAL_RCC_ADC34_CONFIG(PeriphClkInit->Adc34ClockSelection);
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx */
#if defined(STM32F373xC) || defined(STM32F378xx)
/*------------------------------ ADC1 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_ADC1) == RCC_PERIPHCLK_ADC1)
{
/* Check the parameters */
assert_param(IS_RCC_ADC1PCLK2_DIV(PeriphClkInit->Adc1ClockSelection));
/* Configure the ADC1 clock source */
__HAL_RCC_ADC1_CONFIG(PeriphClkInit->Adc1ClockSelection);
}
#endif /* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/*------------------------------ TIM1 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM1) == RCC_PERIPHCLK_TIM1)
{
/* Check the parameters */
assert_param(IS_RCC_TIM1CLKSOURCE(PeriphClkInit->Tim1ClockSelection));
/* Configure the TIM1 clock source */
__HAL_RCC_TIM1_CONFIG(PeriphClkInit->Tim1ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx)
/*------------------------------ TIM8 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM8) == RCC_PERIPHCLK_TIM8)
{
/* Check the parameters */
assert_param(IS_RCC_TIM8CLKSOURCE(PeriphClkInit->Tim8ClockSelection));
/* Configure the TIM8 clock source */
__HAL_RCC_TIM8_CONFIG(PeriphClkInit->Tim8ClockSelection);
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx */
#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
/*------------------------------ TIM15 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM15) == RCC_PERIPHCLK_TIM15)
{
/* Check the parameters */
assert_param(IS_RCC_TIM15CLKSOURCE(PeriphClkInit->Tim15ClockSelection));
/* Configure the TIM15 clock source */
__HAL_RCC_TIM15_CONFIG(PeriphClkInit->Tim15ClockSelection);
}
/*------------------------------ TIM16 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM16) == RCC_PERIPHCLK_TIM16)
{
/* Check the parameters */
assert_param(IS_RCC_TIM16CLKSOURCE(PeriphClkInit->Tim16ClockSelection));
/* Configure the TIM16 clock source */
__HAL_RCC_TIM16_CONFIG(PeriphClkInit->Tim16ClockSelection);
}
/*------------------------------ TIM17 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM17) == RCC_PERIPHCLK_TIM17)
{
/* Check the parameters */
assert_param(IS_RCC_TIM17CLKSOURCE(PeriphClkInit->Tim17ClockSelection));
/* Configure the TIM17 clock source */
__HAL_RCC_TIM17_CONFIG(PeriphClkInit->Tim17ClockSelection);
}
#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F334x8)
/*------------------------------ HRTIM1 clock Configuration ----------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_HRTIM1) == RCC_PERIPHCLK_HRTIM1)
{
/* Check the parameters */
assert_param(IS_RCC_HRTIM1CLKSOURCE(PeriphClkInit->Hrtim1ClockSelection));
/* Configure the HRTIM1 clock source */
__HAL_RCC_HRTIM1_CONFIG(PeriphClkInit->Hrtim1ClockSelection);
}
#endif /* STM32F334x8 */
#if defined(STM32F373xC) || defined(STM32F378xx)
/*------------------------------ SDADC clock Configuration -------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_SDADC) == RCC_PERIPHCLK_SDADC)
{
/* Check the parameters */
assert_param(IS_RCC_SDADCSYSCLK_DIV(PeriphClkInit->SdadcClockSelection));
/* Configure the SDADC clock prescaler */
__HAL_RCC_SDADC_CONFIG(PeriphClkInit->SdadcClockSelection);
}
/*------------------------------ CEC clock Configuration -------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_CEC) == RCC_PERIPHCLK_CEC)
{
/* Check the parameters */
assert_param(IS_RCC_CECCLKSOURCE(PeriphClkInit->CecClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_CEC_CONFIG(PeriphClkInit->CecClockSelection);
}
#endif /* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
/*------------------------------ TIM2 clock Configuration -------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM2) == RCC_PERIPHCLK_TIM2)
{
/* Check the parameters */
assert_param(IS_RCC_TIM2CLKSOURCE(PeriphClkInit->Tim2ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM2_CONFIG(PeriphClkInit->Tim2ClockSelection);
}
/*------------------------------ TIM3 clock Configuration -------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM34) == RCC_PERIPHCLK_TIM34)
{
/* Check the parameters */
assert_param(IS_RCC_TIM3CLKSOURCE(PeriphClkInit->Tim34ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM34_CONFIG(PeriphClkInit->Tim34ClockSelection);
}
/*------------------------------ TIM15 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM15) == RCC_PERIPHCLK_TIM15)
{
/* Check the parameters */
assert_param(IS_RCC_TIM15CLKSOURCE(PeriphClkInit->Tim15ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM15_CONFIG(PeriphClkInit->Tim15ClockSelection);
}
/*------------------------------ TIM16 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM16) == RCC_PERIPHCLK_TIM16)
{
/* Check the parameters */
assert_param(IS_RCC_TIM16CLKSOURCE(PeriphClkInit->Tim16ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM16_CONFIG(PeriphClkInit->Tim16ClockSelection);
}
/*------------------------------ TIM17 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM17) == RCC_PERIPHCLK_TIM17)
{
/* Check the parameters */
assert_param(IS_RCC_TIM17CLKSOURCE(PeriphClkInit->Tim17ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM17_CONFIG(PeriphClkInit->Tim17ClockSelection);
}
#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
#if defined(STM32F303xE) || defined(STM32F398xx)
/*------------------------------ TIM20 clock Configuration ------------------*/
if(((PeriphClkInit->PeriphClockSelection) & RCC_PERIPHCLK_TIM20) == RCC_PERIPHCLK_TIM20)
{
/* Check the parameters */
assert_param(IS_RCC_TIM20CLKSOURCE(PeriphClkInit->Tim20ClockSelection));
/* Configure the CEC clock source */
__HAL_RCC_TIM20_CONFIG(PeriphClkInit->Tim20ClockSelection);
}
#endif /* STM32F303xE || STM32F398xx */
return HAL_OK;
}
/**
* @brief Get the RCC_ClkInitStruct according to the internal
* RCC configuration registers.
* @param PeriphClkInit: pointer to an RCC_PeriphCLKInitTypeDef structure that
* returns the configuration information for the Extended Peripherals clocks
* (ADC, CEC, I2C, I2S, SDADC, HRTIM, TIM, USART, RTC and USB clocks).
* @retval None
*/
void HAL_RCCEx_GetPeriphCLKConfig(RCC_PeriphCLKInitTypeDef *PeriphClkInit)
{
/* Set all possible values for the extended clock type parameter------------*/
/* Common part first */
PeriphClkInit->PeriphClockSelection = RCC_PERIPHCLK_USART1 | RCC_PERIPHCLK_USART2 | RCC_PERIPHCLK_USART3 | \
RCC_PERIPHCLK_I2C1 | RCC_PERIPHCLK_RTC;
/* Get the RTC configuration --------------------------------------------*/
PeriphClkInit->RTCClockSelection = __HAL_RCC_GET_RTC_SOURCE();
/* Get the USART1 clock configuration --------------------------------------------*/
PeriphClkInit->Usart1ClockSelection = __HAL_RCC_GET_USART1_SOURCE();
/* Get the USART2 clock configuration -----------------------------------------*/
PeriphClkInit->Usart2ClockSelection = __HAL_RCC_GET_USART2_SOURCE();
/* Get the USART3 clock configuration -----------------------------------------*/
PeriphClkInit->Usart3ClockSelection = __HAL_RCC_GET_USART3_SOURCE();
/* Get the I2C1 clock configuration -----------------------------------------*/
PeriphClkInit->I2c1ClockSelection = __HAL_RCC_GET_I2C1_SOURCE();
#if defined(STM32F302xE) || defined(STM32F303xE) || \
defined(STM32F302xC) || defined(STM32F303xC) || \
defined(STM32F302x8) || \
defined(STM32F373xC)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_USB;
/* Get the USB clock configuration -----------------------------------------*/
PeriphClkInit->USBClockSelection = __HAL_RCC_GET_USB_SOURCE();
#endif /* STM32F302xE || STM32F303xE || */
/* STM32F302xC || STM32F303xC || */
/* STM32F302x8 || */
/* STM32F373xC */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2C2;
/* Get the I2C2 clock configuration -----------------------------------------*/
PeriphClkInit->I2c2ClockSelection = __HAL_RCC_GET_I2C2_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2C3;
/* Get the I2C3 clock configuration -----------------------------------------*/
PeriphClkInit->I2c3ClockSelection = __HAL_RCC_GET_I2C3_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) ||defined(STM32F358xx)
PeriphClkInit->PeriphClockSelection |= (RCC_PERIPHCLK_UART4 | RCC_PERIPHCLK_UART5);
/* Get the UART4 clock configuration -----------------------------------------*/
PeriphClkInit->Uart4ClockSelection = __HAL_RCC_GET_UART4_SOURCE();
/* Get the UART5 clock configuration -----------------------------------------*/
PeriphClkInit->Uart5ClockSelection = __HAL_RCC_GET_UART5_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_I2S;
/* Get the I2S clock configuration -----------------------------------------*/
PeriphClkInit->I2sClockSelection = __HAL_RCC_GET_I2S_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx || */
#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC1;
/* Get the ADC1 clock configuration -----------------------------------------*/
PeriphClkInit->Adc1ClockSelection = __HAL_RCC_GET_ADC1_SOURCE();
#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC12;
/* Get the ADC1 & ADC2 clock configuration -----------------------------------------*/
PeriphClkInit->Adc12ClockSelection = __HAL_RCC_GET_ADC12_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_ADC34;
/* Get the ADC3 & ADC4 clock configuration -----------------------------------------*/
PeriphClkInit->Adc34ClockSelection = __HAL_RCC_GET_ADC34_SOURCE();
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM1;
/* Get the TIM1 clock configuration -----------------------------------------*/
PeriphClkInit->Tim1ClockSelection = __HAL_RCC_GET_TIM1_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx || */
/* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM8;
/* Get the TIM8 clock configuration -----------------------------------------*/
PeriphClkInit->Tim8ClockSelection = __HAL_RCC_GET_TIM8_SOURCE();
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx */
#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
PeriphClkInit->PeriphClockSelection |= (RCC_PERIPHCLK_TIM15 | RCC_PERIPHCLK_TIM16 | RCC_PERIPHCLK_TIM17);
/* Get the TIM15 clock configuration -----------------------------------------*/
PeriphClkInit->Tim15ClockSelection = __HAL_RCC_GET_TIM15_SOURCE();
/* Get the TIM16 clock configuration -----------------------------------------*/
PeriphClkInit->Tim16ClockSelection = __HAL_RCC_GET_TIM16_SOURCE();
/* Get the TIM17 clock configuration -----------------------------------------*/
PeriphClkInit->Tim17ClockSelection = __HAL_RCC_GET_TIM17_SOURCE();
#endif /* STM32F301x8 || STM32F302x8 || STM32F318xx */
#if defined(STM32F334x8)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_HRTIM1;
/* Get the HRTIM1 clock configuration -----------------------------------------*/
PeriphClkInit->Hrtim1ClockSelection = __HAL_RCC_GET_HRTIM1_SOURCE();
#endif /* STM32F334x8 */
#if defined(STM32F373xC) || defined(STM32F378xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_SDADC;
/* Get the SDADC clock configuration -----------------------------------------*/
PeriphClkInit->SdadcClockSelection = __HAL_RCC_GET_SDADC_SOURCE();
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_CEC;
/* Get the CEC clock configuration -----------------------------------------*/
PeriphClkInit->CecClockSelection = __HAL_RCC_GET_CEC_SOURCE();
#endif /* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM2;
/* Get the TIM2 clock configuration -----------------------------------------*/
PeriphClkInit->Tim2ClockSelection = __HAL_RCC_GET_TIM2_SOURCE();
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM34;
/* Get the TIM3 clock configuration -----------------------------------------*/
PeriphClkInit->Tim34ClockSelection = __HAL_RCC_GET_TIM34_SOURCE();
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM15;
/* Get the TIM15 clock configuration -----------------------------------------*/
PeriphClkInit->Tim15ClockSelection = __HAL_RCC_GET_TIM15_SOURCE();
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM16;
/* Get the TIM16 clock configuration -----------------------------------------*/
PeriphClkInit->Tim16ClockSelection = __HAL_RCC_GET_TIM16_SOURCE();
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM17;
/* Get the TIM17 clock configuration -----------------------------------------*/
PeriphClkInit->Tim17ClockSelection = __HAL_RCC_GET_TIM17_SOURCE();
#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
#if defined (STM32F303xE) || defined(STM32F398xx)
PeriphClkInit->PeriphClockSelection |= RCC_PERIPHCLK_TIM20;
/* Get the TIM20 clock configuration -----------------------------------------*/
PeriphClkInit->Tim20ClockSelection = __HAL_RCC_GET_TIM20_SOURCE();
#endif /* STM32F303xE || STM32F398xx */
}
/**
* @brief Initializes the RCC Oscillators according to the specified parameters in the
* RCC_OscInitTypeDef.
* @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that
* contains the configuration information for the RCC Oscillators.
* @note The PLL is not disabled when used as system clock.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_RCC_OscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
{
uint32_t tickstart = 0;
/* Check the parameters */
assert_param(RCC_OscInitStruct != NULL);
assert_param(IS_RCC_OSCILLATORTYPE(RCC_OscInitStruct->OscillatorType));
/*------------------------------- HSE Configuration ------------------------*/
if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSE) == RCC_OSCILLATORTYPE_HSE)
{
/* Check the parameters */
assert_param(IS_RCC_HSE(RCC_OscInitStruct->HSEState));
/* When the HSE is used as system clock or clock source for PLL in these cases HSE will not disabled */
if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSE) ||
((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSE)))
{
if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET) && (RCC_OscInitStruct->HSEState != RCC_HSE_ON))
{
return HAL_ERROR;
}
}
else
{
/* Reset HSEON and HSEBYP bits before configuring the HSE --------------*/
__HAL_RCC_HSE_CONFIG(RCC_HSE_OFF);
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till HSE is bypassed or disabled */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
{
if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
/* Set the new HSE configuration ---------------------------------------*/
__HAL_RCC_HSE_CONFIG(RCC_OscInitStruct->HSEState);
#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* Configure the HSE predivision factor --------------------------------*/
__HAL_RCC_HSE_PREDIV_CONFIG(RCC_OscInitStruct->HSEPredivValue);
#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* STM32F373xC || STM32F378xx */
/* Check the HSE State */
if(RCC_OscInitStruct->HSEState == RCC_HSE_ON)
{
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till HSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET)
{
if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
else
{
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till HSE is bypassed or disabled */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) != RESET)
{
if((HAL_GetTick()-tickstart) > HSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
}
}
/*----------------------------- HSI Configuration --------------------------*/
if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_HSI) == RCC_OSCILLATORTYPE_HSI)
{
/* Check the parameters */
assert_param(IS_RCC_HSI(RCC_OscInitStruct->HSIState));
assert_param(IS_RCC_CALIBRATION_VALUE(RCC_OscInitStruct->HSICalibrationValue));
/* Check if HSI is used as system clock or as PLL source when PLL is selected as system clock */
if((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_HSI) ||
((__HAL_RCC_GET_SYSCLK_SOURCE() == RCC_SYSCLKSOURCE_STATUS_PLLCLK) && (__HAL_RCC_GET_PLL_OSCSOURCE() == RCC_PLLSOURCE_HSI)))
{
/* When the HSI is used as system clock it is not allowed to be disabled */
if((__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET) && (RCC_OscInitStruct->HSIState != RCC_HSI_ON))
{
return HAL_ERROR;
}
/* Otherwise, just the calibration is allowed */
else
{
/* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
__HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
}
}
else
{
/* Check the HSI State */
if(RCC_OscInitStruct->HSIState != RCC_HSI_OFF)
{
/* Enable the Internal High Speed oscillator (HSI). */
__HAL_RCC_HSI_ENABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till HSI is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) == RESET)
{
if((HAL_GetTick()-tickstart) > HSI_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
/* Adjusts the Internal High Speed oscillator (HSI) calibration value.*/
__HAL_RCC_HSI_CALIBRATIONVALUE_ADJUST(RCC_OscInitStruct->HSICalibrationValue);
}
else
{
/* Disable the Internal High Speed oscillator (HSI). */
__HAL_RCC_HSI_DISABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till HSI is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_HSIRDY) != RESET)
{
if((HAL_GetTick()-tickstart) > HSI_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
}
}
/*------------------------------ LSI Configuration -------------------------*/
if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSI) == RCC_OSCILLATORTYPE_LSI)
{
/* Check the parameters */
assert_param(IS_RCC_LSI(RCC_OscInitStruct->LSIState));
/* Check the LSI State */
if(RCC_OscInitStruct->LSIState != RCC_LSI_OFF)
{
/* Enable the Internal Low Speed oscillator (LSI). */
__HAL_RCC_LSI_ENABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSI is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) == RESET)
{
if((HAL_GetTick()-tickstart) > LSI_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
else
{
/* Disable the Internal Low Speed oscillator (LSI). */
__HAL_RCC_LSI_DISABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSI is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSIRDY) != RESET)
{
if((HAL_GetTick()-tickstart) > LSI_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
}
/*------------------------------ LSE Configuration -------------------------*/
if(((RCC_OscInitStruct->OscillatorType) & RCC_OSCILLATORTYPE_LSE) == RCC_OSCILLATORTYPE_LSE)
{
/* Check the parameters */
assert_param(IS_RCC_LSE(RCC_OscInitStruct->LSEState));
/* Enable Power Clock*/
__PWR_CLK_ENABLE();
/* Enable write access to Backup domain */
SET_BIT(PWR->CR, PWR_CR_DBP);
/* Wait for Backup domain Write protection disable */
tickstart = HAL_GetTick();
while((PWR->CR & PWR_CR_DBP) == RESET)
{
if((HAL_GetTick()-tickstart) > DBP_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
/* Reset LSEON and LSEBYP bits before configuring the LSE ----------------*/
__HAL_RCC_LSE_CONFIG(RCC_LSE_OFF);
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
{
if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
/* Set the new LSE configuration -----------------------------------------*/
__HAL_RCC_LSE_CONFIG(RCC_OscInitStruct->LSEState);
/* Check the LSE State */
if(RCC_OscInitStruct->LSEState == RCC_LSE_ON)
{
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) == RESET)
{
if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
else
{
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till LSE is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_LSERDY) != RESET)
{
if((HAL_GetTick()-tickstart) > LSE_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
}
/*-------------------------------- PLL Configuration -----------------------*/
/* Check the parameters */
assert_param(IS_RCC_PLL(RCC_OscInitStruct->PLL.PLLState));
if ((RCC_OscInitStruct->PLL.PLLState) != RCC_PLL_NONE)
{
/* Check if the PLL is used as system clock or not */
if(__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_SYSCLKSOURCE_STATUS_PLLCLK)
{
if((RCC_OscInitStruct->PLL.PLLState) == RCC_PLL_ON)
{
/* Check the parameters */
assert_param(IS_RCC_PLLSOURCE(RCC_OscInitStruct->PLL.PLLSource));
assert_param(IS_RCC_PLL_MUL(RCC_OscInitStruct->PLL.PLLMUL));
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
assert_param(IS_RCC_PREDIV(RCC_OscInitStruct->PLL.PREDIV));
#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
/* Disable the main PLL. */
__HAL_RCC_PLL_DISABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
{
if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
/* Configure the main PLL clock source and multiplication factor. */
__HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource,
RCC_OscInitStruct->PLL.PLLMUL);
#else
/* Configure the main PLL clock source, predivider and multiplication factor. */
__HAL_RCC_PLL_CONFIG(RCC_OscInitStruct->PLL.PLLSource,
RCC_OscInitStruct->PLL.PREDIV,
RCC_OscInitStruct->PLL.PLLMUL);
#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* STM32F373xC || STM32F378xx */
/* Enable the main PLL. */
__HAL_RCC_PLL_ENABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET)
{
if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
else
{
/* Disable the main PLL. */
__HAL_RCC_PLL_DISABLE();
/* Get timeout */
tickstart = HAL_GetTick();
/* Wait till PLL is ready */
while(__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) != RESET)
{
if((HAL_GetTick()-tickstart) > PLL_TIMEOUT_VALUE)
{
return HAL_TIMEOUT;
}
}
}
}
else
{
return HAL_ERROR;
}
}
return HAL_OK;
}
/**
* @brief Configures the RCC_OscInitStruct according to the internal
* RCC configuration registers.
* @param RCC_OscInitStruct: pointer to an RCC_OscInitTypeDef structure that
* will be configured.
* @retval None
*/
void HAL_RCC_GetOscConfig(RCC_OscInitTypeDef *RCC_OscInitStruct)
{
/* Check the parameters */
assert_param(RCC_OscInitStruct != NULL);
/* Set all possible values for the Oscillator type parameter ---------------*/
RCC_OscInitStruct->OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSE | RCC_OSCILLATORTYPE_LSI;
/* Get the HSE configuration -----------------------------------------------*/
if((RCC->CR & RCC_CR_HSEBYP) == RCC_CR_HSEBYP)
{
RCC_OscInitStruct->HSEState = RCC_HSE_BYPASS;
}
else if((RCC->CR & RCC_CR_HSEON) == RCC_CR_HSEON)
{
RCC_OscInitStruct->HSEState = RCC_HSE_ON;
}
else
{
RCC_OscInitStruct->HSEState = RCC_HSE_OFF;
}
#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
RCC_OscInitStruct->HSEPredivValue = (uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV);
#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* STM32F373xC || STM32F378xx */
/* Get the HSI configuration -----------------------------------------------*/
if((RCC->CR & RCC_CR_HSION) == RCC_CR_HSION)
{
RCC_OscInitStruct->HSIState = RCC_HSI_ON;
}
else
{
RCC_OscInitStruct->HSIState = RCC_HSI_OFF;
}
RCC_OscInitStruct->HSICalibrationValue = (uint32_t)((RCC->CR &RCC_CR_HSITRIM) >> POSITION_VAL(RCC_CR_HSITRIM));
/* Get the LSE configuration -----------------------------------------------*/
if((RCC->BDCR & RCC_BDCR_LSEBYP) == RCC_BDCR_LSEBYP)
{
RCC_OscInitStruct->LSEState = RCC_LSE_BYPASS;
}
else if((RCC->BDCR & RCC_BDCR_LSEON) == RCC_BDCR_LSEON)
{
RCC_OscInitStruct->LSEState = RCC_LSE_ON;
}
else
{
RCC_OscInitStruct->LSEState = RCC_LSE_OFF;
}
/* Get the LSI configuration -----------------------------------------------*/
if((RCC->CSR & RCC_CSR_LSION) == RCC_CSR_LSION)
{
RCC_OscInitStruct->LSIState = RCC_LSI_ON;
}
else
{
RCC_OscInitStruct->LSIState = RCC_LSI_OFF;
}
/* Get the PLL configuration -----------------------------------------------*/
if((RCC->CR & RCC_CR_PLLON) == RCC_CR_PLLON)
{
RCC_OscInitStruct->PLL.PLLState = RCC_PLL_ON;
}
else
{
RCC_OscInitStruct->PLL.PLLState = RCC_PLL_OFF;
}
RCC_OscInitStruct->PLL.PLLSource = (uint32_t)(RCC->CFGR & RCC_CFGR_PLLSRC);
RCC_OscInitStruct->PLL.PLLMUL = (uint32_t)(RCC->CFGR & RCC_CFGR_PLLMUL);
#if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx)
RCC_OscInitStruct->PLL.PREDIV = (uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV);
#endif /* STM32F302xE || STM32F303xE || STM32F398xx */
}
/**
* @brief Returns the SYSCLK frequency
* @note The system frequency computed by this function is not the real
* frequency in the chip. It is calculated based on the predefined
* constant and the selected clock source:
* @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(*)
* @note If SYSCLK source is HSE, function returns values based on HSE_VALUE
* divided by PREDIV factor(**)
* @note If SYSCLK source is PLL, function returns values based on HSE_VALUE
* divided by PREDIV factor(**) or HSI_VALUE(*) multiplied by the PLL factor.
* @note (*) HSI_VALUE is a constant defined in stm32f3xx.h file (default value
* 8 MHz).
* @note (**) HSE_VALUE is a constant defined in stm32f3xx.h file (default value
* 8 MHz), user has to ensure that HSE_VALUE is same as the real
* frequency of the crystal used. Otherwise, this function may
* have wrong result.
*
* @note The result of this function could be not correct when using fractional
* value for HSE crystal.
*
* @note This function can be used by the user application to compute the
* baudrate for the communication peripherals or configure other parameters.
*
* @note Each time SYSCLK changes, this function must be called to update the
* right SYSCLK value. Otherwise, any configuration based on this function will be incorrect.
*
* @retval SYSCLK frequency
*/
uint32_t HAL_RCC_GetSysClockFreq(void)
{
uint32_t tmpreg = 0, prediv = 0, pllmul = 0, pllclk = 0;
uint32_t sysclockfreq = 0;
tmpreg = RCC->CFGR;
/* Get SYSCLK source -------------------------------------------------------*/
switch (tmpreg & RCC_CFGR_SWS)
{
case RCC_SYSCLKSOURCE_STATUS_HSE: /* HSE used as system clock source */
sysclockfreq = HSE_VALUE;
break;
case RCC_SYSCLKSOURCE_STATUS_PLLCLK: /* PLL used as system clock source */
pllmul = PLLMULFactorTable[(uint32_t)(tmpreg & RCC_CFGR_PLLMUL) >> POSITION_VAL(RCC_CFGR_PLLMUL)];
prediv = PredivFactorTable[(uint32_t)(RCC->CFGR2 & RCC_CFGR2_PREDIV) >> POSITION_VAL(RCC_CFGR2_PREDIV)];
#if defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
if ((tmpreg & RCC_CFGR_PLLSRC) != RCC_PLLSOURCE_HSI)
{
/* HSE used as PLL clock source : PLLCLK = HSE/PREDIV * PLLMUL */
pllclk = (HSE_VALUE/prediv) * pllmul;
}
else
{
/* HSI used as PLL clock source : PLLCLK = HSI/2 * PLLMUL */
pllclk = (HSI_VALUE >> 1) * pllmul;
}
#else
if ((tmpreg & RCC_CFGR_PLLSRC_HSE_PREDIV) == RCC_CFGR_PLLSRC_HSE_PREDIV)
{
/* HSE used as PLL clock source : PLLCLK = HSE/PREDIV * PLLMUL */
pllclk = (HSE_VALUE/prediv) * pllmul;
}
else
{
/* HSI used as PLL clock source : PLLCLK = HSI/PREDIV * PLLMUL */
pllclk = (HSI_VALUE/prediv) * pllmul;
}
#endif /* STM32F302xC || STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F301x8 || STM32F302x8 || STM32F318xx */
/* STM32F373xC || STM32F378xx */
sysclockfreq = pllclk;
break;
case RCC_SYSCLKSOURCE_STATUS_HSI: /* HSI used as system clock source */
default:
sysclockfreq = HSI_VALUE;
break;
}
return sysclockfreq;
}
/**
* @}
*/
/**
* @}
*/
#endif /* HAL_RCC_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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