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文章发布时间 : 2024/5/18 13:33:06星期六

tmpccer |= (TIM_IC1Polarity | (u16)(TIM_IC2Polarity << 4)); //设置通道输入捕获方式：反相？不反相？ //TIM_IC2Polarity采用的IC1P的定义值，IC2P在IC1P的高4位处

/* Write to TIMx SMCR,CCMR1 ,CCER */ TIMx->SMCR = tmpsmcr;

TIMx->CCMR1 = tmpccmr1; // CCMR1/2.CCxS仅在通道关闭时(CCER.CCxE=0)才是可写的！ TIMx->CCER = tmpccer; }

19.2.41 函数TIM_GenerateEvent

Table 527. 函数TIM_GenerateEvent 函数名 TIM_GenerateEvent 函数原形 void TIM_GenerateEvent(TIM_TypeDef* TIMx, u16 TIM_EventSource) 功能描述设置TIMx事件由软件产生输入参数1 TIMx：x 可以是1,2,3,4,5,8来选择TIM外设输入参数2 TIM_EventSource：TIM软件事件源输出参数无返回值无先决条件无被调用函数无 TIM_EventSource ：选择 TIM软件事件源。 Table 528. TIM_EventSource值 TIM_EventSource 描述/EGR #define值 EGR位置 TIM_EventSource_Update TIM更新事件源 0x0001 bit0 TIM_EventSource_CC1 TIM捕获比较1事件源 0x0002 bit1 TIM_EventSource_CC2 TIM捕获比较2事件源 0x0004 bit2 TIM_EventSource_CC3 TIM捕获比较3事件源 0x0008 bit3 TIM_EventSource_CC4 TIM捕获比较4事件源 0x0010 bit4 TIM_EventSource_COM TIM COM事件源 0x0020 bit5 TIM_EventSource_Trigger TIM触发事件源 0x0040 bit6 TIM_EventSource_Break TIM刹车事件源 0x0080 bit7 例：

/* Selects the Trigger software Event generation for TIM2 */ TIM_GenerateEvent(TIM2, TIM_EventSource_Trigger); 函数原型如下：

void TIM_GenerateEvent(TIM_TypeDef* TIMx, u16 TIM_EventSource) {

/* Check the parameters */

assert_param(IS_TIM_ALL_PERIPH(TIMx));

assert_param(IS_TIM_EVENT_SOURCE(TIM_EventSource));

assert_param(IS_TIM_PERIPH_EVENT((TIMx), (TIM_EventSource)));

/* Set the event sources */ TIMx->EGR = TIM_EventSource; }

19.2.42 函数TIM_OC1PolarityConfig

Table 529. 函数TIM_OC1PolarityConfig 函数名 TIM_OC1PolarityConfig 函数原形 void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) 功能描述设置TIMx通道1极性输入参数1 TIMx：x 可以是1,2,3,4,5,8来选择TIM外设输入参数2 TIM_OCPolarity：输出比较极性输出参数无返回值无先决条件无被调用函数无 TIM_OCPolarity：输出比较极性。参数TIM_OCPolarity的值描述/CCER.CC1P[bit1] TIM_OCPolarity_High CCx通道输出高电平有效 TIM_OCPolarity_Low CCx通道输出低电平有效例： #define ((u16)0x0000) ((u16)0x0002) /* Selects the Polarity high for TIM2 channel 1 output compare */ TIM_OC1PolarityConfig(TIM2, TIM_OCPolarity_High); 函数原型如下：

void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) {

u16 tmpccer = 0;

/* Check the parameters */

assert_param(IS_TIM_123458_PERIPH(TIMx));

assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));

tmpccer = TIMx->CCER;

/* Set or Reset the CC1P Bit *///bit1 tmpccer &= CCER_CC1P_Reset; tmpccer |= TIM_OCPolarity;

/* Write to TIMx CCER register */ TIMx->CCER = tmpccer; }

19.2.43 函数TIM_OC2PolarityConfig

Table 530. 函数 TIM_OC2PolarityConfig 函数名 TIM_OC2PolarityConfig 函数原形 void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) 功能描述设置TIMx通道2极性输入参数1 TIMx：x可以是1,2,3,4,5,8来选择TIM外设输入参数2 TIM_OCPolarity：输出比较极性输出参数无返回值无先决条件无被调用函数无 TIM_OCPolarity：输出比较极性。【采用TIM_OC1PolarityConfig的值】参数TIM_OCPolarity的值描述/CCER.CC1P[bit1] #define TIM_OCPolarity_High CCx通道输出高电平有效 ((u16)0x0000) TIM_OCPolarity_Low CCx通道输出低电平有效 ((u16)0x0002) 例：

/* Selects the Polarity high for TIM2 channel 2 output compare */ TIM_OC1PolarityConfig(TIM2, TIM_OCPolarity_High); 函数原型如下：

void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) {

u16 tmpccer = 0;

/* Check the parameters */

assert_param(IS_TIM_123458_PERIPH(TIMx));

assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));

tmpccer = TIMx->CCER;

/* Set or Reset the CC2P Bit */ tmpccer &= CCER_CC2P_Reset;

tmpccer |= (u16)(TIM_OCPolarity << 4);//采用OC1P的值，OC2P高OC1P 4位

/* Write to TIMx CCER register */ TIMx->CCER = tmpccer; }

19.2.44 函数TIM_OC3PolarityConfig

Table 531. 函数 TIM_OC1PolarityConfig

函数名 TIM_OC3PolarityConfig 函数原形 void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) 功能描述设置TIMx通道3极性输入参数1 TIMx：x 可以是1,2,3,4,5,8来选择TIM外设输入参数2 TIM_OCPolarity：输出比较极性输出参数无返回值无先决条件无被调用函数无 TIM_OCPolarity：输出比较极性。【采用TIM_OC1PolarityConfig的值】参数TIM_OCPolarity的值描述/CCER.CC1P[bit1] #define TIM_OCPolarity_High CCx通道输出高电平有效 ((u16)0x0000) TIM_OCPolarity_Low CCx通道输出低电平有效 ((u16)0x0002) 例：

/* Selects the Polarity high for TIM2 channel 3 output compare */ TIM_OC1PolarityConfig(TIM2, TIM_OCPolarity_High); 函数原型如下：

void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) {

u16 tmpccer = 0;

/* Check the parameters */

assert_param(IS_TIM_123458_PERIPH(TIMx));

assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));

tmpccer = TIMx->CCER;

/* Set or Reset the CC3P Bit */ tmpccer &= CCER_CC3P_Reset;

tmpccer |= (u16)(TIM_OCPolarity << 8); //采用OC1P的值，OC2P高OC1P 8位

/* Write to TIMx CCER register */ TIMx->CCER = tmpccer; }

19.2.45 函数TIM_OC4PolarityConfig

Table 532. 函数TIM_OC4PolarityConfig 函数名 TIM_OC4PolarityConfig void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, u16 函数原形 TIM_OCPolarity) 功能描述设置TIMx通道4极性输入参数1 TIMx：x 可以是1,2,3,4,5,8来选择TIM外设输入参数2 TIM_OCPolarity：输出比较极性输出参数无返回值无先决条件无被调用函数无 TIM_OCPolarity：输出比较极性。【采用TIM_OC1PolarityConfig的值】参数TIM_OCPolarity的值描述/CCER.CC1P[bit1] #define TIM_OCPolarity_High CCx通道输出高电平有效 ((u16)0x0000) TIM_OCPolarity_Low CCx通道输出低电平有效 ((u16)0x0002) 例：

/* Selects the Polarity high for TIM2 channel 4 output compare */ TIM_OC1PolarityConfig(TIM2, TIM_OCPolarity_High); 函数原型如下：

void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, u16 TIM_OCPolarity) {

u16 tmpccer = 0;

/* Check the parameters */

assert_param(IS_TIM_123458_PERIPH(TIMx));

assert_param(IS_TIM_OC_POLARITY(TIM_OCPolarity));

tmpccer = TIMx->CCER;

/* Set or Reset the CC4P Bit */ tmpccer &= CCER_CC4P_Reset;

tmpccer |= (u16)(TIM_OCPolarity << 12); //采用OC1P的值，OC2P高OC1P 12位

/* Write to TIMx CCER register */ TIMx->CCER = tmpccer; }

19.2.46 函数TIM_UpdateRequestConfig

Table 533. 函数 TIM_UpdateRequestConfig 函数名 TIM_UpdateRequestConfig 函数原形 void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, u16 TIM_UpdateSource) 功能描述设置TIMx更新请求源输入参数1 TIMx：x 可以是1,2,3,4,5,6,7,8来选择TIM外设输入参数2 TIM_UpdateSource：TIM更新请求源输出参数无返回值无先决条件无被调用函数无 TIM_UpdateSource：选择TIM更新源。 Table 534. TIM_UpdateSource值参数TIM_UpdateSource的值描述/CR1.0PM/[bit3] #define值 TIM_UpdateSource_Global 生成重复的脉冲：在更新事件时计数器不停止 0x0008 TIM_UpdateSource_Regular 生成单一的脉冲：计数器在一个更新事件停止 0x0000 例：

/* Selects the regular update source for TIM2 */

TIM_UpdateRequestConfig(TIM2, TIM_UpdateSource_Regular); 函数原型如下：

void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, u16 TIM_UpdateSource) {

/* Check the parameters */

assert_param(IS_TIM_ALL_PERIPH(TIMx));

assert_param(IS_TIM_UPDATE_SOURCE(TIM_UpdateSource));

if (TIM_UpdateSource != TIM_UpdateSource_Global)//根据一次脉冲？重复脉冲？的情况下设置URS {

/* Set the URS Bit */

TIMx->CR1 |= CR1_URS_Set;//导致中断或DMA请求的UEV: 计数器溢出/下溢 } else {

/* Reset the URS Bit */

TIMx->CR1 &= CR1_URS_Reset;

//导致中断或DMA请求的UEV:【1】.计数器溢出/下溢；【2】.设置EGR.UG位；【3】.从模式控制器产生的更新 } }

19.2.47 函数TIM_SelectHallSensor Table 535. 函数TIM_SelectHallSensor 函数名函数原形功能描述输入参数 1 输入参数 2 输出参数返回值先决条件 TIM_SelectHallSensor void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState Newstate) 使能或失能TIMx霍尔传感器接口 TIMx：x 可以是1,2,3,4,5,8来选择TIM外设 NewState：TIMx霍尔传感器接口的新状态（ENABLE 或 DISABLE）无无无

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