power_drv.h File Reference

This file contains the Power Management low level driver definition. More...

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Defines
#define	Setup_idle_mode()   (SMCR=0,SMCR |= (1<<SE))
#define	Setup_power_down_mode()   (SMCR=0,SMCR |= (1<<SE)+(1<<SM1))
#define	Setup_adc_noise_reduction_mode()   (SMCR=0,SMCR |= (1<<SE)+(1<<SM0))
#define	Setup_power_save_mode()   (SMCR=0,SMCR |= (1<<SE)+(1<<SM1)+(1<<SM0))
#define	Setup_standby_mode()   (SMCR=0,SMCR |= (1<<SE)+(1<<SM2)+(1<<SM1))
#define	Setup_ext_standby_mode()   (SMCR=0,SMCR |= (1<<SE)+(1<<SM2)+(1<<SM1)+(1<<SM0))
#define	Clear_prescaler()   Set_cpu_prescaler(0)
	This function reset the internal CPU core clock prescaler.
#define	Sleep_instruction()   {asm("SLEEP");}
#define	Set_power_down_mode()   set_power_down_mode()
#define	Set_idle_mode()   set_idle_mode()
#define	Enter_idle_mode()   (set_idle_mode())
	This function makes the AVR core enter idle mode.
#define	Enter_power_down_mode()   (set_power_down_mode())
	This function makes the AVR core enter power down mode.
#define	Enter_adc_noise_reduction_mode()   (set_adc_noise_reduction_mode())
	This function makes the AVR core enter adc noise reduction mode.
#define	Enter_power_save_mode()   (set_power_save_mode())
	This function makes the AVR core enter power save mode.
#define	Enter_standby_mode()   (set_standby_mode())
	This function makes the AVR core enter standby mode.
#define	Enter_ext_standby_mode()   (set_ext_standby_mode())
	This function makes the AVR core enter extended standby mode.
#define	Enable_external_clock()   (CLKSEL0 |= (1<<EXTE))
#define	Disable_external_clock()   (CLKSEL0 &= ~(1<<EXTE))
#define	Enable_RC_clock()   (CLKSEL0 |= (1<<RCE))
#define	Disable_RC_clock()   (CLKSEL0 &= ~(1<<RCE))
#define	External_clock_ready()   (((CLKSTA&(1<<EXTON)) != 0) ? TRUE : FALSE)
#define	RC_clock_ready()   (((CLKSTA&(1<<RCON)) != 0) ? TRUE : FALSE)
#define	Select_external_clock()   (CLKSEL0 |= (1<<CLKS))
#define	Select_RC_clock()   (CLKSEL0 &= ~(1<<CLKS))
#define	Load_ext_clock_config(cfg)
#define	Load_RC_clock_config(cfg)
#define	OSC_INTRC_0MS   0x02
#define	OSC_INTRC_4MS   0x12
#define	OSC_INTRC_65MS   0x22
#define	OSC_XTAL_RANGE1_258CK_4MS   0x08
#define	OSC_XTAL_RANGE1_258CK_65MS   0x18
#define	OSC_XTAL_RANGE1_1KCK_0MS   0x28
#define	OSC_XTAL_RANGE1_1KCK_4MS   0x38
#define	OSC_XTAL_RANGE1_1KCK_65MS   0x09
#define	OSC_XTAL_RANGE1_16KCK_0MS   0x19
#define	OSC_XTAL_RANGE1_16KCK_4MS   0x29
#define	OSC_XTAL_RANGE1_16KCK_65MS   0x39
#define	OSC_XTAL_RANGE2_258CK_4MS   0x0A
#define	OSC_XTAL_RANGE2_258CK_65MS   0x1A
#define	OSC_XTAL_RANGE2_1KCK_0MS   0x2A
#define	OSC_XTAL_RANGE2_1KCK_4MS   0x3A
#define	OSC_XTAL_RANGE2_1KCK_65MS   0x0B
#define	OSC_XTAL_RANGE2_16KCK_0MS   0x1B
#define	OSC_XTAL_RANGE2_16KCK_4MS   0x2B
#define	OSC_XTAL_RANGE2_16KCK_65MS   0x3B
#define	OSC_XTAL_RANGE3_258CK_4MS   0x0C
#define	OSC_XTAL_RANGE3_258CK_65MS   0x1C
#define	OSC_XTAL_RANGE3_1KCK_0MS   0x2C
#define	OSC_XTAL_RANGE3_1KCK_4MS   0x3C
#define	OSC_XTAL_RANGE3_1KCK_65MS   0x0D
#define	OSC_XTAL_RANGE3_16KCK_0MS   0x1D
#define	OSC_XTAL_RANGE3_16KCK_4MS   0x2D
#define	OSC_XTAL_RANGE3_16KCK_65MS   0x3D
#define	OSC_XTAL_RANGE4_258CK_4MS   0x0E
#define	OSC_XTAL_RANGE4_258CK_65MS   0x1E
#define	OSC_XTAL_RANGE4_1KCK_0MS   0x2E
#define	OSC_XTAL_RANGE4_1KCK_4MS   0x3E
#define	OSC_XTAL_RANGE4_1KCK_65MS   0x0F
#define	OSC_XTAL_RANGE4_16KCK_0MS   0x1F
#define	OSC_XTAL_RANGE4_16KCK_4MS   0x2F
#define	OSC_XTAL_RANGE4_16KCK_65MS   0x3F
#define	OSC_EXTCLK_0MS   0x00
#define	OSC_EXTCLK_4MS   0x10
#define	OSC_EXTCLK_65MS   0x20
Functions
void	Set_cpu_prescaler (U8 x)
	This function configure the internal CPU core clock prescaler value.
void	set_idle_mode (void)
	This function makes the AVR core enter idle mode.
void	set_power_down_mode (void)
	This function makes the AVR core enter power down mode.
void	set_adc_noise_reduction_mode (void)
	This function makes the AVR core enter adc noise reduction mode.
void	set_power_save_mode (void)
	This function makes the AVR core enter power save mode.
void	set_standby_mode (void)
	This function makes the AVR core enter standby mode.
void	set_ext_standby_mode (void)
	This function makes the AVR core enter extended standby mode.
void	Clock_switch_external (void)
	This function makes the AVR selects the EXTERNAL clock source (CRYSTAL)
void	Clock_switch_internal (void)
	This function makes the AVR selects the INTERNAL clock source (RC)

---

Detailed Description

This file contains the Power Management low level driver definition.

This module allows to configure the different power mode of the AVR core and also to setup the the internal clock prescaler

• Compiler: IAR EWAVR and GNU GCC for AVR
• Supported devices: ATmega32U4

Author:

Atmel Corporation: http://www.atmel.com
Support and FAQ: http://support.atmel.no/

Definition in file power_drv.h.