ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

AStyle

pull/11476/head
int_szyk 2019-09-02 10:05:22 +02:00 committed by adbridge
parent aeb15e9cce
commit c423602161
1 changed files with 19 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
targets/TARGET_STM/lp_ticker.c
View File

@ -229,24 +229,24 @@ static void LPTIM1_IRQHandler(void)
if (__HAL_LPTIM_GET_IT_SOURCE(&LptimHandle, LPTIM_IT_CMPOK) != RESET) {
__HAL_LPTIM_CLEAR_FLAG(&LptimHandle, LPTIM_FLAG_CMPOK);
lp_cmpok = true;
if(sleep_manager_locked) {
if (sleep_manager_locked) {
sleep_manager_unlock_deep_sleep();
sleep_manager_locked = false;
}
if(lp_delayed_prog) {
if(roll_over_flag) {
/* If we were close to the roll over of the ticker counter
* change current tick so it can be compared with buffer.
if (lp_delayed_prog) {
if (roll_over_flag) {
/* If we were close to the roll over of the ticker counter
* change current tick so it can be compared with buffer.
* If this event got outdated fire interrupt right now,
* else schedule it normally. */
if(lp_delayed_counter <= ((lp_ticker_read() + LP_TIMER_SAFE_GUARD + 1) & 0xFFFF)){
if (lp_delayed_counter <= ((lp_ticker_read() + LP_TIMER_SAFE_GUARD + 1) & 0xFFFF)) {
lp_ticker_fire_interrupt();
} else {
lp_ticker_set_interrupt((lp_delayed_counter - LP_TIMER_SAFE_GUARD - 1) & 0xFFFF);
}
roll_over_flag = false;
} else {
if(future_event_flag && (lp_delayed_counter <= lp_ticker_read())) {
if (future_event_flag && (lp_delayed_counter <= lp_ticker_read())) {
/* If this event got outdated fire interrupt right now,
* else schedule it normally. */
lp_ticker_fire_interrupt();
@ -255,7 +255,7 @@ static void LPTIM1_IRQHandler(void)
lp_ticker_set_interrupt(lp_delayed_counter);
}
}
lp_delayed_prog = false;
}
}
@ -284,7 +284,7 @@ uint32_t lp_ticker_read(void)
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
core_util_critical_section_enter();
timestamp_t last_read_counter = lp_ticker_read();
/* Always store the last requested timestamp */
@ -298,11 +298,10 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
if (lp_cmpok == false) {
/* if this is not safe to write, then delay the programing to the
* time when CMPOK interrupt will trigger */
/* If this target timestamp is close to the roll over of the ticker counter
* and current tick is also close to the roll over, then we are in danger zone.*/
if(((0xFFFF - LP_TIMER_SAFE_GUARD < timestamp) || (timestamp < LP_TIMER_SAFE_GUARD)) && (0xFFFA < last_read_counter))
{
if (((0xFFFF - LP_TIMER_SAFE_GUARD < timestamp) || (timestamp < LP_TIMER_SAFE_GUARD)) && (0xFFFA < last_read_counter)) {
roll_over_flag = true;
/* Change the lp_delayed_counter buffer in that way so the value of (0xFFFF - LP_TIMER_SAFE_GUARD) is equal to 0.
* By doing this it is easy to check if the value of timestamp get outdated by delaying its programming
@ -315,7 +314,7 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
} else {
roll_over_flag = false;
/* Check if event was meant to be in the past. */
if(lp_delayed_counter >= last_read_counter) {
if (lp_delayed_counter >= last_read_counter) {
future_event_flag = true;
} else {
future_event_flag = false;
@ -324,18 +323,18 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
lp_delayed_prog = true;
} else {
lp_ticker_clear_interrupt();
/* HW is not able to trig a very short term interrupt, that is
* not less than few ticks away (LP_TIMER_SAFE_GUARD). So let's make sure it'
* s at least current tick + LP_TIMER_SAFE_GUARD */
for(uint8_t i = 0; i < LP_TIMER_SAFE_GUARD; i++) {
for (uint8_t i = 0; i < LP_TIMER_SAFE_GUARD; i++) {
if (LP_TIMER_WRAP((last_read_counter + i)) == timestamp) {
timestamp = LP_TIMER_WRAP((timestamp + LP_TIMER_SAFE_GUARD));
}
}
/* Then check if this target timestamp is not in the past, or close to wrap-around
* Let's assume last_read_counter = 0xFFFC, and we want to program timestamp = 0x100
* The interrupt will not fire before the CMPOK flag is OK, so there are 2 cases:
@ -347,7 +346,7 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
* There might be crossing cases where it would also fire @ 0xFFFE, but by the time we read the counter,
* it may already have moved to the next one, so for now we've taken this as margin of error.
*/
if((timestamp < last_read_counter) && (last_read_counter <= (0xFFFF - LP_TIMER_SAFE_GUARD))) {
if ((timestamp < last_read_counter) && (last_read_counter <= (0xFFFF - LP_TIMER_SAFE_GUARD))) {
/* Workaround, because limitation */
__HAL_LPTIM_COMPARE_SET(&LptimHandle, ~0);
} else {
@ -360,7 +359,7 @@ void lp_ticker_set_interrupt(timestamp_t timestamp)
lp_cmpok = false;
/* Prevent from sleeping after compare register was set as we need CMPOK
* interrupt to fire (in ~3x30us cycles) before we can safely enter deep sleep mode */
if(!sleep_manager_locked) {
if (!sleep_manager_locked) {
sleep_manager_lock_deep_sleep();
sleep_manager_locked = true;
}
@ -383,14 +382,14 @@ void lp_ticker_disable_interrupt(void)
{
core_util_critical_section_enter();
if(!lp_cmpok) {
if (!lp_cmpok) {
while (__HAL_LPTIM_GET_FLAG(&LptimHandle, LPTIM_FLAG_CMPOK) == RESET) {
}
__HAL_LPTIM_CLEAR_FLAG(&LptimHandle, LPTIM_FLAG_CMPOK);
lp_cmpok = true;
}
/* now that CMPOK is set, allow deep sleep again */
if(sleep_manager_locked) {
if (sleep_manager_locked) {
sleep_manager_unlock_deep_sleep();
sleep_manager_locked = false;
}