UM0097 datasheet(109/229 Pages) STMICROELECTRONICS

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UM0097

Peripheral firmware overview

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TIM_ClockSourceConfig

Example:

This example illustrates how to configure the TIM0 timer to be clocked by an external

source.

{

...

TIM_ClockSourceConfig (TIM0, TIM_EXTERNAL);

...

}

TIM_ClockSourceValue

Example:

This example illustrates how to get the TIM0 timer source clock.

{

TIM_Clocks CurrentTIMClock;

...

CurrentTIMClock = TIM_ClockSourceValue (TIM0);

...

}

Function Name

TIM_ClockSourceConfig

Function Prototype

void TIM_ClockSourceConfig (TIM_TypeDef *TIMx,

TIM_Clocks Xclock);

Behavior Description

This routine configures the source clock of the TIM peripheral.

Input Parameter 1

TIMx: specifies the TIM to be configured. Refer to TIM values on

page 103 for more details on the allowed values of this parameter.

Input Parameter 2

Xclock specifies the TIM source clock.

Refer to Clock sources enumeration on page 104 for more details on

the allowed values of this parameter.

Output Parameter

None

Return Value

None

Required preconditions

None

Called Functions

None

Function Name

TIM_ClockSourceValue

Function Prototype

TIM_Clocks TIM_ClockSourceValue TIM_TypeDef *TIMx);

Behavior Description

This routine gets the source clock of the TIM peripheral.

Input Parameter

TIMx: specifies the TIM to check its source clock. Refer to TIM values

on page 103 for more details on the allowed values of this parameter.

Output Parameter

None

Return Value

The TIM source clock. Refer to Clock sources enumeration on page 104

for more details on the allowed values of this parameter.

Required preconditions

None

Called Functions

None

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