power.c File Reference

#include "power.h"
#include <LPC17xx.h>

Go to the source code of this file.

Functions
void	POWER_Init (u8 config)
	Configures sleep/power down mode for the device.
void	POWER_SleepOnWFI (void)
	WFI/WFE puts device to sleep or deep sleep mode depending on the configuration specified in the POWER_Init function.
void	POWER_PowerDownOnWFI (void)
	WFI/WFE puts device to power down power down mode.
void	POWER_DeepPowerDownOnWFI (void)
	WFI/WFE puts device to deep power down mode provided that the SLEEPDEEP bit is set.
void	POWER_TurnOnPeripheral (u8 bit)
	Turns on a peripheral.
void	POWER_TurnOffPeripheral (u8 bit)
	Turns off a peripheral.
void	POWER_WaitForInterrupts (void)

Function Documentation

POWER_DeepPowerDownOnWFI()

void POWER_DeepPowerDownOnWFI

(

void

)

WFI/WFE puts device to deep power down mode provided that the SLEEPDEEP bit is set.

Definition at line 20 of file power.c.

{
    LPC_SC->PCON |= 0x3; // 11
}

POWER_Init()

void POWER_Init

(

u8

config

)

Configures sleep/power down mode for the device.

Parameters

config	Settings for the power module (Use DEEP mode, and SLEEPONEXIT)
sleep_on_exit	Whether to enter sleep mode on exit from an ISR

Definition at line 4 of file power.c.

{
    SCB->SCR |= (config & POWR_CFG_SLEEP_ON_EXIT);
    SCB->SCR |= (config & POWR_CFG_DEEP);
}

POWER_PowerDownOnWFI()

void POWER_PowerDownOnWFI

(

void

)

WFI/WFE puts device to power down power down mode.

Definition at line 15 of file power.c.

{
    SET_BIT(LPC_SC->PCON, 0); // 01
}

POWER_SleepOnWFI()

void POWER_SleepOnWFI

(

void

)

WFI/WFE puts device to sleep or deep sleep mode depending on the configuration specified in the POWER_Init function.

Definition at line 10 of file power.c.

{
    LPC_SC->PCON &= ~0x3; // Sets B[1,0] = 00
}

POWER_TurnOffPeripheral()

void POWER_TurnOffPeripheral

(

u8

bit

)

Turns off a peripheral.

Parameters

peripheral

The bit # of the peripheral to turn off, defined in the POWER_Peripheral enum. If not present, the bit can be found in the user manual @ Table 46.

Definition at line 30 of file power.c.

{
    CLR_BIT(LPC_SC->PCONP, bit);
}

POWER_TurnOnPeripheral()

void POWER_TurnOnPeripheral

(

u8

bit

)

Turns on a peripheral.

Parameters

peripheral

The bit # of the peripheral to turn on, defined in the POWER_Peripheral enum. If not present, the bit can be found in the user manual @ Table 46.

Definition at line 25 of file power.c.

{
    SET_BIT(LPC_SC->PCONP, bit);
}

POWER_WaitForInterrupts()

void POWER_WaitForInterrupts

(

void

)

Definition at line 35 of file power.c.

{
    __asm volatile("wfi");
}