STM8S I2C和SPI例程

/** ****************************************************************************** * @file stm8s_tim1.c * @brief This file contains all the functions for the TIM1 peripheral. * @author STMicroelectronics - MCD Application Team * @version V1.0.1 * @date 09/22/2008 ****************************************************************************** * * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. * * <h2><center>&copy; COPYRIGHT 2008 STMicroelectronics</center></h2> * @image html logo.bmp ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "stm8s_tim1.h" /* LINKER SECTIONS DEFINITION FOR THIS FILE ONLY */ #ifdef USE_COSMIC_SECTIONS #pragma section (TIM1_CODE) #pragma section const {TIM1_CONST} #pragma section @near [TIM1_URAM] #pragma section @near {TIM1_IRAM} #pragma section @tiny [TIM1_UZRAM] #pragma section @tiny {TIM1_IZRAM} #endif /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ static void TI1_Config(u8 TIM1_ICPolarity, u8 TIM1_ICSelection, u8 TIM1_ICFilter); static void TI2_Config(u8 TIM1_ICPolarity, u8 TIM1_ICSelection, u8 TIM1_ICFilter); static void TI3_Config(u8 TIM1_ICPolarity, u8 TIM1_ICSelection, u8 TIM1_ICFilter); static void TI4_Config(u8 TIM1_ICPolarity, u8 TIM1_ICSelection, u8 TIM1_ICFilter); /** * @addtogroup TIM1_Public_Functions * @{ */ /** * @brief Deinitializes the TIM1 peripheral registers to their default reset values. * @par Parameters: * None * @retval void None * @par Required preconditions: * None * @par Called functions: * None * @par Example: * Initialize TIM1 registers to their reset values. * @code * TIM1_DeInit(); * @endcode */ void TIM1_DeInit(void) { TIM1->CR1 = TIM1_CR1_RESET_VALUE; TIM1->CR2 = TIM1_CR2_RESET_VALUE; TIM1->SMCR = TIM1_SMCR_RESET_VALUE; TIM1->ETR = TIM1_ETR_RESET_VALUE; TIM1->IER = TIM1_IER_RESET_VALUE; TIM1->SR2 = TIM1_SR2_RESET_VALUE; /* Disable channels */ TIM1->CCER1 = TIM1_CCER1_RESET_VALUE; TIM1->CCER2 = TIM1_CCER2_RESET_VALUE; /* Configure channels as inputs: it is necessary if lock level is equal to 2 or 3 */ TIM1->CCMR1 = 0x01; TIM1->CCMR2 = 0x01; TIM1->CCMR3 = 0x01; TIM1->CCMR4 = 0x01; /* Then reset channel registers: it also works if lock level is equal to 2 or 3 */ TIM1->CCER1 = TIM1_CCER1_RESET_VALUE; TIM1->CCER2 = TIM1_CCER2_RESET_VALUE; TIM1->CCMR1 = TIM1_CCMR1_RESET_VALUE; TIM1->CCMR2 = TIM1_CCMR2_RESET_VALUE; TIM1->CCMR3 = TIM1_CCMR3_RESET_VALUE; TIM1->CCMR4 = TIM1_CCMR4_RESET_VALUE; TIM1->CNTRH = TIM1_CNTRH_RESET_VALUE; TIM1->CNTRL = TIM1_CNTRL_RESET_VALUE; TIM1->PSCRH = TIM1_PSCRH_RESET_VALUE; TIM1->PSCRL = TIM1_PSCRL_RESET_VALUE; TIM1->ARRH = TIM1_ARRH_RESET_VALUE; TIM1->ARRL = TIM1_ARRL_RESET_VALUE; TIM1->CCR1H = TIM1_CCR1H_RESET_VALUE; TIM1->CCR1L = TIM1_CCR1L_RESET_VALUE; TIM1->CCR2H = TIM1_CCR2H_RESET_VALUE; TIM1->CCR2L = TIM1_CCR2L_RESET_VALUE; TIM1->CCR3H = TIM1_CCR3H_RESET_VALUE; TIM1->CCR3L = TIM1_CCR3L_RESET_VALUE; TIM1->CCR4H = TIM1_CCR4H_RESET_VALUE; TIM1->CCR4L = TIM1_CCR4L_RESET_VALUE; TIM1->OISR = TIM1_OISR_RESET_VALUE; TIM1->EGR = 0x01; /* TIM1_EGR_UG */ TIM1->DTR = TIM1_DTR_RESET_VALUE; TIM1->BKR = TIM1_BKR_RESET_VALUE; TIM1->RCR = TIM1_RCR_RESET_VALUE; TIM1->SR1 = TIM1_SR1_RESET_VALUE; } /** * @brief Initializes the TIM1 Time Base Unit according to the specified parameters. * @param[in] TIM1_Prescaler specifies the Prescaler value. * @param[in] TIM1_CounterMode specifies the counter mode from @ref TIM1_CounterMode_TypeDef . * @param[in] TIM1_Period specifies the Period value. * @param[in] TIM1_RepetitionCounter specifies the Repetition counter value * @retval void None * @par Required preconditions: * None * @par Called functions: * None * @par Example: * Initialize TIM1 registers according to the specified parameters. * @code * u16 My_Prescaler = 0x0000; * TIM1_CounterMode_TypeDef My_CounterMode = TIM1_COUNTERMODE_UP; * u16 My_Period = 0x7FFF; * u8 My_RepetitionCounter = 0x00 * TIM1_TimeBaseInit(My_Prescaler, My_CounterMode, My_Period, My_RepetitionCounter); * @endcode */ void TIM1_TimeBaseInit(u16 TIM1_Prescaler, TIM1_CounterMode_TypeDef TIM1_CounterMode, u16 TIM1_Period, u8 TIM1_RepetitionCounter) { /* Check parameters */ assert_param(IS_TIM1_COUNTER_MODE_OK(TIM1_CounterMode)); /* Set the Autoreload value */ TIM1->ARRH = (u8)(TIM1_Period >> 8); TIM1->ARRL = (u8)(TIM1_Period); /* Set the Prescaler value */ TIM1->PSCRH = (u8)(TIM1_Prescaler >> 8); TIM1->PSCRL = (u8)(TIM1_Prescaler); /* Select the Counter Mode */ TIM1->CR1 = (u8)(((TIM1->CR1) & (u8)(~(TIM1_CR1_CMS | TIM1_CR1_DIR))) | (u8)(TIM1_CounterMode)); /* Set the Repetition Counter value */ TIM1->RCR = TIM1_RepetitionCounter; } /** * @brief Initializes the TIM1 Channel1 according to the specified parameters. * @param[in] TIM1_OCMode specifies the Output Compare mode from @ref TIM1_OCMode_TypeDef. * @param[in] TIM1_OutputState specifies the Output State from @ref TIM1_OutputState_TypeDef. * @param[in] TIM1_OutputNState specifies the Complementary Output State from @ref TIM1_OutputNState_TypeDef. * @param[in] TIM1_Pulse specifies the Pulse width value. * @param[in] TIM1_OCPolarity specifies the Output Compare Polarity from @ref TIM1_OCPolarity_TypeDef. * @param[in] TIM1_OCNPolarity specifies the Complementary Output Compare Polarity from @ref TIM1_OCNPolarity_TypeDef. * @param[in] TIM1_OCIdleState specifies the Output Compare Idle State from @ref TIM1_OCIdleState_TypeDef. * @param[in] TIM1_OCNIdleState specifies the Complementary Output Compare Idle State from @ref TIM1_OCIdleState_TypeDef. * @retval void None * @par Required preconditions: * None * @par Called functions: * None * @par Example: * Initialize the TIM1 Channel1 according to specified parameters. * @code * TIM1_OCMode_TypeDef My_OCMode = TIM1_OCMODE_PWM1; * TIM1_OutputState_TypeDef My_OutputState = TIM1_OUTPUTSTATE_ENABLE; * TIM1_OutputNState_TypeDef My_OutputNState = TIM1_OUTPUTNSTATE_DISABLE; * u16 My_Pulse = 0x3FFF; * TIM1_OCPolarity_TypeDef My_OCPolarity = TIM1_OCPOLARITY_HIGH; * TIM1_OCNPolarity_TypeDef My_OCNPolarity = TIM1_OCNPOLARITY_LOW; * TIM1_OCIdleState_TypeDef My_OCIdleState = TIM1_OCIDLESTATE_RESET; * TIM1_OCIdleState_TypeDef My_OCNIdleState = TIM1_OCNIDLESTATE_RESET; * TIM1_OC1Init( My_OCMode, My_OutputState, My_OutputNState, My_Pulse, My_OCPolarity, My_OCNPolarity, My_OCIdleState, My_OCNIdleState); * @endcode */ void TIM1_OC1Init(TIM1_OCMode_TypeDef TIM1_OCMode, TIM1_OutputState_TypeDef TIM1_OutputState, TIM1_OutputNState_TypeDef TIM1_OutputNState, u16 TIM1_Pu