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_awu.c | 198 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 198 insertions(+), 0 deletions(-) diff --git a/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_awu.c b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_awu.c new file mode 100644 index 0000000..dc57d68 --- /dev/null +++ b/mcu_sdk/stm8s003f3_edp/Libraries/STM8S_StdPeriph_Driver/src/stm8s_awu.c @@ -0,0 +1,198 @@ +/** + ****************************************************************************** + * @file stm8s_awu.c + * @author MCD Application Team + * @version V2.3.0 + * @date 16-June-2017 + * @brief This file contains all the functions for the AWU 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_awu.h" + +/** @addtogroup STM8S_StdPeriph_Driver + * @{ + */ +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/* Private functions ---------------------------------------------------------*/ + +/* See also AWU_Timebase_TypeDef structure in stm8s_awu.h file : + N 2 5 1 2 4 8 1 3 6 1 2 5 1 2 1 3 + O 5 0 m m m m 6 2 4 2 5 1 s s 2 0 + I 0 0 s s s s m m m 8 6 2 s s + T u u s s s m m m + s s s s s +*/ +/** Contains the different values to write in the APR register (used by AWU_Init function) */ +CONST uint8_t APR_Array[17] = + { + 0, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 61, 23, 23, 62 + }; + +/** Contains the different values to write in the TBR register (used by AWU_Init function) */ +CONST uint8_t TBR_Array[17] = + { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 12, 14, 15, 15 + }; + +/* Public functions ----------------------------------------------------------*/ + +/** + * @addtogroup AWU_Public_Functions + * @{ + */ + +/** + * @brief Deinitializes the AWU peripheral registers to their default reset + * values. + * @param None + * @retval None + */ +void AWU_DeInit(void) +{ + AWU->CSR = AWU_CSR_RESET_VALUE; + AWU->APR = AWU_APR_RESET_VALUE; + AWU->TBR = AWU_TBR_RESET_VALUE; +} + +/** + * @brief Initializes the AWU peripheral according to the specified parameters. + * @param AWU_TimeBase : Time base selection (interval between AWU interrupts). + * can be one of the values of @ref AWU_Timebase_TypeDef. + * @retval None + * @par Required preconditions: + * The LS RC calibration must be performed before calling this function. + */ +void AWU_Init(AWU_Timebase_TypeDef AWU_TimeBase) +{ + /* Check parameter */ + assert_param(IS_AWU_TIMEBASE_OK(AWU_TimeBase)); + + /* Enable the AWU peripheral */ + AWU->CSR |= AWU_CSR_AWUEN; + + /* Set the TimeBase */ + AWU->TBR &= (uint8_t)(~AWU_TBR_AWUTB); + AWU->TBR |= TBR_Array[(uint8_t)AWU_TimeBase]; + + /* Set the APR divider */ + AWU->APR &= (uint8_t)(~AWU_APR_APR); + AWU->APR |= APR_Array[(uint8_t)AWU_TimeBase]; +} + +/** + * @brief Enable or disable the AWU peripheral. + * @param NewState Indicates the new state of the AWU peripheral. + * @retval None + * @par Required preconditions: + * Initialisation of AWU and LS RC calibration must be done before. + */ +void AWU_Cmd(FunctionalState NewState) +{ + if (NewState != DISABLE) + { + /* Enable the AWU peripheral */ + AWU->CSR |= AWU_CSR_AWUEN; + } + else + { + /* Disable the AWU peripheral */ + AWU->CSR &= (uint8_t)(~AWU_CSR_AWUEN); + } +} + +/** + * @brief Update APR 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: + * - AWU must be disabled to avoid unwanted interrupts. + */ +void AWU_LSICalibrationConfig(uint32_t LSIFreqHz) +{ + uint16_t lsifreqkhz = 0x0; + uint16_t A = 0x0; + + /* Check parameter */ + assert_param(IS_LSI_FREQUENCY_OK(LSIFreqHz)); + + lsifreqkhz = (uint16_t)(LSIFreqHz / 1000); /* Converts value in kHz */ + + /* Calculation of AWU calibration value */ + + A = (uint16_t)(lsifreqkhz >> 2U); /* Division by 4, keep integer part only */ + + if ((4U * A) >= ((lsifreqkhz - (4U * A)) * (1U + (2U * A)))) + { + AWU->APR = (uint8_t)(A - 2U); + } + else + { + AWU->APR = (uint8_t)(A - 1U); + } +} + +/** + * @brief Configures AWU in Idle mode to reduce power consumption. + * @param None + * @retval None + */ +void AWU_IdleModeEnable(void) +{ + /* Disable AWU peripheral */ + AWU->CSR &= (uint8_t)(~AWU_CSR_AWUEN); + + /* No AWU timebase */ + AWU->TBR = (uint8_t)(~AWU_TBR_AWUTB); +} + +/** + * @brief Returns status of the AWU peripheral flag. + * @param None + * @retval FlagStatus : Status of the AWU flag. + * This parameter can be any of the @ref FlagStatus enumeration. + */ +FlagStatus AWU_GetFlagStatus(void) +{ + return((FlagStatus)(((uint8_t)(AWU->CSR & AWU_CSR_AWUF) == (uint8_t)0x00) ? RESET : SET)); +} + + +/** + * @} + */ + +/** + * @} + */ + + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- Gitblit v1.9.1