lpc.h File Reference

Go to the source code of this file.

Enumerations
enum	LPC_Mode_TypeDef { LPC_NORMAL =0, LPC_LOWPOWER }
	Define the mode for Low power comparator. More...
enum	LPC_Input_Channel_TypeDef {   LPC_INPUT_RSVD =0, LPC_INPUT_PB1 =1, LPC_INPUT_PB2 =2, LPC_INPUT_PB3 =3,   LPC_INPUT_PB4 =4, LPC_INPUT_PB5 =5, LPC_INPUT_PB6 =6, LPC_INPUT_PB7 =7 }
	Define the input channel for Low power comparator. More...
enum	LPC_Reference_TypeDef {   LPC_NORMAL_REF_972MV = 1, LPC_NORMAL_REF_921MV = 2, LPC_NORMAL_REF_870MV = 3, LPC_NORMAL_REF_819MV = 4,   LPC_NORMAL_REF_PB0 = 5, LPC_NORMAL_REF_PB3 = 6, LPC_LOWPOWER_REF_964MV = 1, LPC_LOWPOWER_REF_913MV = 2,   LPC_LOWPOWER_REF_862MV = 3, LPC_LOWPOWER_REF_810MV = 4, LPC_LOWPOWER_REF_PB0 = 5, LPC_LOWPOWER_REF_PB3 = 6,   LPC_AVDD3 = 7 }
	Define the reference voltage for Low power comparator. More...
enum	LPC_Scaling_TypeDef { LPC_SCALING_PER25 =0, LPC_SCALING_PER50 =1, LPC_SCALING_PER75 =2, LPC_SCALING_PER100 =3 }
	Define the scaling coefficient for Low power comparator. More...

Functions
void	lpc_power_down (void)
	This function powers down low power comparator. More...
void	lpc_power_on (void)
	This function provides power for low power comparator. More...
void	lpc_set_input_chn (LPC_Input_Channel_TypeDef pin)
	This function selects input channel for low power comparator . More...
void	lpc_set_input_ref (LPC_Mode_TypeDef, LPC_Reference_TypeDef ref)
	This function selects input reference voltage for low power comparator . More...
void	lpc_set_scaling_coeff (LPC_Scaling_TypeDef divider)
	This function serves to set scaling_coefficient for low power comparator . More...
static unsigned char	lpc_get_result (void)
	This function serves to get the comparison results. More...

Enumeration Type Documentation

LPC_Mode_TypeDef

enum LPC_Mode_TypeDef

Define the mode for Low power comparator.

Enumerator
LPC_NORMAL
LPC_LOWPOWER

LPC_Input_Channel_TypeDef

enum LPC_Input_Channel_TypeDef

Define the input channel for Low power comparator.

Enumerator
LPC_INPUT_RSVD
LPC_INPUT_PB1
LPC_INPUT_PB2
LPC_INPUT_PB3
LPC_INPUT_PB4
LPC_INPUT_PB5
LPC_INPUT_PB6
LPC_INPUT_PB7

LPC_Reference_TypeDef

enum LPC_Reference_TypeDef

Define the reference voltage for Low power comparator.

Enumerator
LPC_NORMAL_REF_972MV
LPC_NORMAL_REF_921MV
LPC_NORMAL_REF_870MV
LPC_NORMAL_REF_819MV
LPC_NORMAL_REF_PB0
LPC_NORMAL_REF_PB3
LPC_LOWPOWER_REF_964MV
LPC_LOWPOWER_REF_913MV
LPC_LOWPOWER_REF_862MV
LPC_LOWPOWER_REF_810MV
LPC_LOWPOWER_REF_PB0
LPC_LOWPOWER_REF_PB3
LPC_AVDD3

LPC_Scaling_TypeDef

enum LPC_Scaling_TypeDef

Define the scaling coefficient for Low power comparator.

Enumerator
LPC_SCALING_PER25
LPC_SCALING_PER50
LPC_SCALING_PER75
LPC_SCALING_PER100

Function Documentation

lpc_power_down()

void lpc_power_down

(

void

)

This function powers down low power comparator.

Parameters

[in]

none

Returns

none

lpc_power_on()

void lpc_power_on

(

void

)

This function provides power for low power comparator.

Parameters

[in]

none

Returns

none

lpc_set_input_chn()

void lpc_set_input_chn

(

LPC_Input_Channel_TypeDef

pin

)

This function selects input channel for low power comparator .

Parameters

[in]

pin-selected

input channel.Input derived from external PortB(PB<1>~PB<7>).

Returns

none

lpc_set_input_ref()

void lpc_set_input_ref	(	LPC_Mode_TypeDef	,
		LPC_Reference_TypeDef	ref
	)

This function selects input reference voltage for low power comparator .

Parameters

[in]	mode	- lower power comparator working mode includes normal mode and low power mode.
[in]	ref	- selected input reference voltage.

Returns

none

lpc_set_scaling_coeff()

void lpc_set_scaling_coeff

(

LPC_Scaling_TypeDef

divider

)

This function serves to set scaling_coefficient for low power comparator .

Parameters

[in]

divider

- selected scaling coefficient.(%25,%50,%75,%100)

Returns

none

lpc_get_result()

static unsigned char lpc_get_result ( void  )

inlinestatic

This function serves to get the comparison results.

Parameters

[in]

divider

- selected scaling coefficient.(%25,%50,%75,%100)

Returns

none