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HAL Timebase, Power, Clock: semaphore guarded access to clock and power modes, better sleep mode. (#307)

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あく
2021-01-20 10:43:12 +03:00
committed by GitHub
parent c8aca9ef48
commit 6c4983c6b6
5 changed files with 95 additions and 14 deletions
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20
firmware/targets/f4/api-hal/api-hal-timebase.c
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@@ -1,8 +1,7 @@
#include <api-hal-timebase.h>
#include <api-hal-timebase-timer.h>
#include <api-hal-power.h>
#include <stm32wbxx_hal.h>
#include <stm32wbxx_ll_gpio.h>
#include <FreeRTOS.h>
#include <cmsis_os.h>
@@ -88,11 +87,6 @@ void LPTIM2_IRQHandler(void) {
}
}
static inline uint32_t api_hal_timebase_nap(TickType_t expected_idle_ticks) {
__WFI();
return 0;
}
static inline uint32_t api_hal_timebase_sleep(TickType_t expected_idle_ticks) {
// Store important value before going to sleep
const uint16_t before_cnt = api_hal_timebase_timer_get_cnt();
@@ -103,7 +97,7 @@ static inline uint32_t api_hal_timebase_sleep(TickType_t expected_idle_ticks) {
api_hal_timebase_timer_set_cmp(expected_cnt);
// Go to stop2 mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
api_hal_power_deep_sleep();
// Spin till we are in timer safe zone
while(!api_hal_timebase_timer_is_safe()) {}
@@ -134,6 +128,9 @@ void vPortSuppressTicksAndSleep(TickType_t expected_idle_ticks) {
if (expected_idle_ticks > API_HAL_TIMEBASE_MAX_SLEEP) {
expected_idle_ticks = API_HAL_TIMEBASE_MAX_SLEEP;
}
if (api_hal_timebase.insomnia)
return;
// Stop IRQ handling, no one should disturb us till we finish
__disable_irq();
@@ -147,12 +144,7 @@ void vPortSuppressTicksAndSleep(TickType_t expected_idle_ticks) {
return;
}
uint32_t completed_ticks;
if (api_hal_timebase.insomnia) {
completed_ticks = api_hal_timebase_nap(expected_idle_ticks);
} else {
completed_ticks = api_hal_timebase_sleep(expected_idle_ticks);
}
uint32_t completed_ticks = api_hal_timebase_sleep(expected_idle_ticks);
assert(completed_ticks >= 0);
// Reenable IRQ