dspic a SLEEP

[Jozo]

Ja sleep nepouzivam, ale v examploch k C30 je jeden jednoduchy priklad. 
Ziadnu vedu okolo toho nerobia, tak neviem co je taky problem. Tu je ten 
zdrojak + definicia makra, skusat to nemam cas.

#define Sleep() {__asm__ volatile ("pwrsav #0");}




/**********************************************************************
* © 2005 Microchip Technology Inc.
*
* FileName: fast_wake_up_from_SLEEP_mode.c
* Dependencies: Header (.h) files if applicable, see below
* Processor: dsPIC30Fxxxx
* Compiler: MPLAB® C30 v1.33.00 or higher
* IDE: MPLAB® IDE v7.20.01 or later
* Dev. Board Used: dsPICDEM 1.1 Development Board
* Hardware Dependencies: None
*
* REVISION HISTORY:
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Author Date Comments on this revision
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* HV 09/30/05 First release of source file
*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
* ADDITIONAL NOTES:
*
**********************************************************************/

#include "p30fxxxx.h"

#if defined (__dsPIC30F6010__) || defined (__dsPIC30F6011__) || defined 
(__dsPIC30F6012__) || defined (__dsPIC30F6013__) || \
defined (__dsPIC30F6014__) || defined (__dsPIC30F2010__)
_FOSC(CSW_FSCM_OFF & FRC); /* Set up for Internal Fast RC*/
#else
/* Macros for Configuration Fuse Registers (copied from device header 
file):*/
_FOSC(CSW_FSCM_OFF & FRC_PLL16); /* Set up for Internal Fast RC by 16x 
PLL */
#endif

_FWDT(WDT_OFF); /* Turn off the Watch-Dog Timer. */
_FBORPOR(MCLR_EN & PWRT_OFF); /* Enable MCLR reset pin and turn off the 
power-up timers. */
_FGS(CODE_PROT_OFF); /* Disable Code Protection */

/* Global Variables and Functions */
int main (void);
void INT1_Init(void);
void __attribute__((__interrupt__)) _INT1Interrupt(void);

int main (void)
{
ADPCFG = 0xFFFF; /* Configure ANx pins used by ICD for digital i/o*/
TRISD = 0x0000; /* LEDs on dsPICDEM 1.1 board are connected to RD0-RD3 */
LATD = 0x0000; /* We will configure Port D to be output so we can use */
/* use LEDs as an indicator of the occurrence of external */
/* interrupts */

INT1_Init(); /* Call function to initialize the External Interrupt- INT1 */
while (1) /* Loop endlessly */
{
Sleep(); /* View the time between the falling edge on the INT1 pin*/
/* and the toggling of Port D pins to estimate the */
/* time it takes to wake up from SLEEP */
/*NOTE: In this project, we set up FOSC so that the device */
/*operates using the Internal Fast RC oscillator and the PLL 16 
multiplier mode */
/*The PLL has a lock time of ~20us. So the device will wake up*/
/*and execute code in the INT1 ISR within 30us(=10us+20us). Further, it */
/*run at a throughput of ~29.4 MIPS upon wake-up.*/
/*NOTE2: If you need the device to wake up in less than 10us*/
/*simply, configure the FOSC to use the FRC mode without PLL*/
}
}
/*
Functions:
INT1_Init() sets up the INT1 pin.
INT1 pin on the 30F6014A device is connected to switch S1, on the 
dsPICDEM1.1 board.
*/
void INT1_Init(void)
{
//S1 connected to INT1
INTCON2 = 0x0002; /*Setup INT1 to interupt on falling edge*/
IFS1bits.INT1IF = 0; /*Reset INT1 interrupt flag */
IEC1bits.INT1IE = 1; /*Enable INT1 Interrupt Service Routine */
}


/*
_INT1Interrupt() is the INT1 interrupt service routine (ISR).
The routine must have global scope in order to be an ISR.
The ISR name is chosen from the device linker script.
*/
void __attribute__((__interrupt__)) _INT1Interrupt(void)
{
LATD ^= 0xFFFF; /* Toggle Port D bits */
Nop();
LATD ^= 0xFFFF; /* Toggle Port D bits */
IFS1bits.INT1IF = 0; /* Clear the INT1 interrupt flag or else */
/* the CPU will keep vectoring back to the ISR */
/* View the time between the falling edge on the INT1 pin*/
/* and the rising edge of Port D pins to estimate the */
/* time it takes to wake up from SLEEP */
/*NOTE: In this project, we set up FOSC so that the device */
/*operates using the Internal Fast RC oscillator and the PLL 16 
multiplier mode */
/*The PLL has a lock time of ~20us. So the device will wake up*/
/*and execute code in the INT1 ISR within 30us (=10us+20us). Further, it */
/*run at a throughput of ~29.4 MIPS upon wake-up.*/
/*NOTE2: If you need the device to wake up in 10us*/
/*simply, configure the FOSC to use the FRC mode without PLL*/
}