20 STM32标准库函数 之 通用定时器（TIM）-- B -- 所有函数的介绍及使用_stm32tim库

1 通用定时器（TIM）预览

1.13 TIM_ITRxExternalClockConfig

TIM_InputTriggerSource 描述

例：
/* TIM2 internal trigger 3 used as clock source */ TIM_ITRxExternalClockConfig(TIM2, TIM_TS_ITR3);

1.14 TIM_TIxExternalClockConfig

TIM_TIxExternalCLKSource 描述

TIM_ICPolarity 描述

例：
/* Selects the TI1 as clock for TIM2: the external clock is connected to TI1 input pin, the rising edge is the active edge and no filter sampling is done (ICFilter = 0) */ TIM_TIxExternalClockConfig(TIM2, TIM_TS_TI1FP1, TIM_ICPolarity_Rising, 0);

1.15 TIM_ETRClockMode1Config

TIM_ExtTRGPrescaler 描述

TIM_ExtTRGPolarity 描述

例：
/* Selects the external clock Mode 1 for TIM2: the external clock is connected to ETR input pin, the rising edge is the active edge, no filter sampling is done (ExtTRGFilter = 0) and the prescaler is fixed to TIM_ExtTRGPSC_DIV2 */
TIM_ExternalCLK1Config(TIM2, TIM_ExtTRGPSC_DIV2,
TIM_ExtTRGPolarity_NonInverted, 0x0);

1.16 TIM_ETRClockMode2Config

TIM_ExtTRGPrescaler 描述

TIM_ExtTRGPolarity 描述

例：
/* Selects the external clock Mode 2 for TIM2: the external clock is connected to ETR input pin, the rising edge is the active edge, no filter sampling is done (ExtTRGFilter = 0) and the prescaler is fixed to TIM_ExtTRGPSC_DIV2 */
TIM_ExternalCLK2Config(TIM2, TIM_ExtTRGPSC_DIV2, TIM_ExtTRGPolarity_NonInverted, 0x0);

1.17 函数TIM_ETRConfig

TIM_ExtTRGPrescaler 描述

TIM_ExtTRGPolarity 描述

例：
/* Configure the External Trigger (ETR) for TIM2: the rising edge is the active edge, no filter sampling is done (ExtTRGFilter = 0) and the prescaler is fixed to TIM_ExtTRGPSC_DIV2 */ TIM_ExternalCLK2Config(TIM2, TIM_ExtTRGPSC_DIV2, TIM_ExtTRGPolarity_NonInverted, 0x0);

1.18 函数TIM_SelectInputTrigger

TIM_InputTriggerSource 描述

例：
/* Selects the Internal Trigger 3 as input trigger fot TIM2 */ void TIM_SelectInputTrigger(TIM2, TIM_TS_ITR3);

1.19 函数 TIM_PrescalerConfig

TIM_PSCReloadMode 描述

例：
/* Configures the TIM2 new Prescaler value */ u16 TIMPrescaler = 0xFF00; TIM_PrescalerConfig(TIM2, TIMPrescaler, TIM_PSCReloadMode_Immediate);

1.20 函数TIM_CounterModeConfig

TIM_CounterMode 描述

例：
/* Selects the Center Aligned counter Mode 1 for the TIM2 */ TIM_CounterModeConfig(TIM2, TIM_Counter_CenterAligned1);

1.21 函数TIM_ForcedOC1Config

TIM_ForcedAction 描述

例：
/* Forces the TIM2 Output Compare 1 signal to the active level */ TIM_ForcedOC1Config(TIM2, TIM_ForcedAction_Active);

1.22 函数TIM_ForcedOC2Config

例：
/* Forces the TIM2 Output Compare 1 signal to the active level */ TIM_ForcedOC1Config(TIM2, TIM_ForcedAction_Active);

1.23 函数TIM_ForcedOC3Config

| 函数名                 | TIM_ForcedOC3Config                                                     |
|------------------------|-------------------------------------------------------------------------|
| 函数原形               | void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, u16 TIM_ForcedAction)     |
| 功能描述               | 置 TIMx 输出 3 为活动或者非活动电平                                       |
| 输入参数1             | TIMx：x 可以是 2，3 或者 4，来选择 TIM 外设                              |
| 输入参数2             | TIM_ForcedAction：输出信号的设置动作                                     |
|                        | 参阅 Section：TIM_ForcedAction 查阅更多该参数允许取值范围                |
| 输出参数               | 无                                                                       |
| 返回值                 | 无                                                                       |
| 先决条件               | 无                                                                       |
| 被调用函数             | 无                                                                       |
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TIM_ForcedAction 描述

例：
/* Forces the TIM2 Output Compare 3 signal to the active level */ TIM_ForcedOC3Config(TIM2, TIM_ForcedAction_Active);

1.24 TIM_ForcedOC4Config

TIM_ForcedAction 描述

例：
/* Forces the TIM2 Output Compare 4 signal to the active level */ TIM_ForcedOC4Config(TIM2, TIM_ForcedAction_Active);

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