From 94101a2cd9baed60360f68096033dc75cbb1dcb3 Mon Sep 17 00:00:00 2001 From: android <android@lingyun.com> Date: Wed, 10 Jul 2024 19:27:36 +0800 Subject: [PATCH] Add STM8S003F3 eDP LCD drvier --- mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_beep.c | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 153 insertions(+), 0 deletions(-) diff --git a/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_beep.c b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_beep.c new file mode 100644 index 0000000..22fdcc7 --- /dev/null +++ b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_beep.c @@ -0,0 +1,153 @@ +/** + ****************************************************************************** + * @file stm8s_beep.c + * @author MCD Application Team + * @version V2.3.0 + * @date 16-June-2017 + * @brief This file contains all the functions for the BEEP peripheral. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm8s_beep.h" + +/** @addtogroup STM8S_StdPeriph_Driver + * @{ + */ +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/* Public functions ----------------------------------------------------------*/ + +/** + * @addtogroup BEEP_Public_Functions + * @{ + */ + +/** + * @brief Deinitializes the BEEP peripheral registers to their default reset + * values. + * @param None + * @retval None + */ +void BEEP_DeInit(void) +{ + BEEP->CSR = BEEP_CSR_RESET_VALUE; +} + +/** + * @brief Initializes the BEEP function according to the specified parameters. + * @param BEEP_Frequency Frequency selection. + * can be one of the values of @ref BEEP_Frequency_TypeDef. + * @retval None + * @par Required preconditions: + * The LS RC calibration must be performed before calling this function. + */ +void BEEP_Init(BEEP_Frequency_TypeDef BEEP_Frequency) +{ + /* Check parameter */ + assert_param(IS_BEEP_FREQUENCY_OK(BEEP_Frequency)); + + /* Set a default calibration value if no calibration is done */ + if ((BEEP->CSR & BEEP_CSR_BEEPDIV) == BEEP_CSR_BEEPDIV) + { + BEEP->CSR &= (uint8_t)(~BEEP_CSR_BEEPDIV); /* Clear bits */ + BEEP->CSR |= BEEP_CALIBRATION_DEFAULT; + } + + /* Select the output frequency */ + BEEP->CSR &= (uint8_t)(~BEEP_CSR_BEEPSEL); + BEEP->CSR |= (uint8_t)(BEEP_Frequency); +} + +/** + * @brief Enable or disable the BEEP function. + * @param NewState Indicates the new state of the BEEP function. + * @retval None + * @par Required preconditions: + * Initialisation of BEEP and LS RC calibration must be done before. + */ +void BEEP_Cmd(FunctionalState NewState) +{ + if (NewState != DISABLE) + { + /* Enable the BEEP peripheral */ + BEEP->CSR |= BEEP_CSR_BEEPEN; + } + else + { + /* Disable the BEEP peripheral */ + BEEP->CSR &= (uint8_t)(~BEEP_CSR_BEEPEN); + } +} + +/** + * @brief Update CSR register with the measured LSI frequency. + * @par Note on the APR calculation: + * A is the integer part of LSIFreqkHz/4 and x the decimal part. + * x <= A/(1+2A) is equivalent to A >= x(1+2A) and also to 4A >= 4x(1+2A) [F1] + * but we know that A + x = LSIFreqkHz/4 ==> 4x = LSIFreqkHz-4A + * so [F1] can be written : + * 4A >= (LSIFreqkHz-4A)(1+2A) + * @param LSIFreqHz Low Speed RC frequency measured by timer (in Hz). + * @retval None + * @par Required preconditions: + * - BEEP must be disabled to avoid unwanted interrupts. + */ +void BEEP_LSICalibrationConfig(uint32_t LSIFreqHz) +{ + uint16_t lsifreqkhz; + uint16_t A; + + /* Check parameter */ + assert_param(IS_LSI_FREQUENCY_OK(LSIFreqHz)); + + lsifreqkhz = (uint16_t)(LSIFreqHz / 1000); /* Converts value in kHz */ + + /* Calculation of BEEPER calibration value */ + + BEEP->CSR &= (uint8_t)(~BEEP_CSR_BEEPDIV); /* Clear bits */ + + A = (uint16_t)(lsifreqkhz >> 3U); /* Division by 8, keep integer part only */ + + if ((8U * A) >= ((lsifreqkhz - (8U * A)) * (1U + (2U * A)))) + { + BEEP->CSR |= (uint8_t)(A - 2U); + } + else + { + BEEP->CSR |= (uint8_t)(A - 1U); + } +} + +/** + * @} + */ + +/** + * @} + */ + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- Gitblit v1.9.1