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Added functions for deep sleep to mbxxx platform.

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This commit is contained in:
Salvatore Pitrulli 2011-04-27 14:45:44 +02:00
parent 4b5d380c74
commit 5eabf33211
7 changed files with 151 additions and 10 deletions
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56
platform/mbxxx/clock.c
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@ -52,6 +52,12 @@
#include "sys/clock.h"
#include "sys/etimer.h"
#include "dev/button-sensor.h"
#include "uart1.h"
#include "dev/leds.h"
#include "dev/stm32w-radio.h"
#define DEBUG DEBUG_NONE
#include "net/uip-debug.h"
// The value that will be load in the SysTick value register.
#define RELOAD_VALUE 24000-1 // 1 ms with a 24 MHz clock
@ -86,7 +92,7 @@ void SysTick_Handler(void)
void clock_init(void)
{
INTERRUPTS_OFF();
ATOMIC(
//Counts the number of ticks.
count = 0;
@ -96,7 +102,7 @@ void clock_init(void)
SysTick_ITConfig(ENABLE);
SysTick_CounterCmd(SysTick_Counter_Enable);
INTERRUPTS_ON();
)
}
/*---------------------------------------------------------------------------*/
@ -137,3 +143,49 @@ unsigned long clock_seconds(void)
{
return current_seconds;
}
void sleep_seconds(int seconds)
{
int32u quarter_seconds = seconds * 4;
uint8_t radio_on;
halPowerDown();
radio_on = stm32w_radio_is_on();
stm32w_radio_driver.off();
halSleepForQsWithOptions(&quarter_seconds, 0);
ATOMIC(
halPowerUp();
// Update OS system ticks.
current_seconds += seconds - quarter_seconds / 4 ; // Passed seconds
count += seconds * CLOCK_SECOND - quarter_seconds * CLOCK_SECOND / 4 ;
if(etimer_pending()) {
etimer_request_poll();
}
SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK);
SysTick_SetReload(RELOAD_VALUE);
SysTick_ITConfig(ENABLE);
SysTick_CounterCmd(SysTick_Counter_Enable);
)
stm32w_radio_driver.init();
if(radio_on){
stm32w_radio_driver.on();
}
uart1_init(115200);
leds_init();
rtimer_init();
PRINTF("WakeInfo: %04x\r\n", halGetWakeInfo());
}