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samples: boards: quark_se_c1000: Do not enter LPS states on test exit

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Do not enter Low Power states once the test execution is done. This
is needed to avoid the flashing issues which were seen when system
is in deep sleep states.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
This commit is contained in:
Ramakrishna Pallala 2018-07-25 13:39:01 +05:30 committed by Anas Nashif
parent c27af47999
commit 9a68fea98c
1 changed files with 13 additions and 1 deletions
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14
samples/boards/quark_se_c1000/power_mgr/src/main.c
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@ -14,6 +14,7 @@
#define SECONDS_TO_SLEEP 5
#define ALARM (RTC_ALARM_SECOND * (SECONDS_TO_SLEEP - 1))
#define GPIO_IN_PIN 16
#define MAX_SYS_PM_STATES 2
/* In Tickless Kernel mode, time is passed in milliseconds instead of ticks */
#ifdef CONFIG_TICKLESS_KERNEL
@ -34,6 +35,7 @@ static void resume_devices(void);
static struct device *device_list;
static int device_count;
static int test_complete;
static int post_ops_done = 1;
@ -54,16 +56,21 @@ int pm_state;
void main(void)
{
int i;
printk("Power Management Demo on %s\n", CONFIG_ARCH);
setup_rtc();
create_device_list();
while (1) {
for (i = 0; i < MAX_SYS_PM_STATES; i++) {
printk("\nApplication main thread\n");
k_sleep(SECONDS_TO_SLEEP * 1000);
}
test_complete = 1;
printk("**Power States test complete**\n");
}
static int check_pm_policy(s32_t ticks)
@ -179,6 +186,11 @@ int _sys_soc_suspend(s32_t ticks)
return SYS_PM_NOT_HANDLED;
}
/* If test is comepleted then do not enter LPS states */
if (test_complete) {
return SYS_PM_NOT_HANDLED;
}
pm_state = check_pm_policy(ticks);
switch (pm_state) {