mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-23 19:23:09 +00:00
917410a0a8
* fbt: reworking targets & assets handling WIP * fbt: dist fixes * fbt: moved SD card resources to owning apps * unit_tests: moved resources to app folder * github: updated unit_tests paths * github: packaging fixes * unit_tests: fixes * fbt: assets: internal cleanup * fbt: reworked assets handling * github: unit_tests: reintroducing fixes * minor cleanup * fbt: naming changes to reflect private nature of scons tools * fbt: resources: fixed dist archive paths * docs: updated paths * docs: updated more paths * docs: included "resources" parameter in app manifest docs; updated assets readme * updated gitignore for assets * github: updated action versions * unit_tests: restored timeout; scripts: assets: logging changes * gh: don't upload desktop animations for unit test run Co-authored-by: あく <alleteam@gmail.com>
59 lines
2 KiB
C
59 lines
2 KiB
C
#pragma once
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#include <stm32wbxx_ll_lptim.h>
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#include <stm32wbxx_ll_rcc.h>
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#include <stm32wbxx_ll_bus.h>
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#include <furi_hal_bus.h>
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// Timer used for tickless idle
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#define FURI_HAL_IDLE_TIMER_MAX 0xFFFF
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#define FURI_HAL_IDLE_TIMER LPTIM1
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#define FURI_HAL_IDLE_TIMER_IRQ LPTIM1_IRQn
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static inline void furi_hal_idle_timer_init() {
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furi_hal_bus_enable(FuriHalBusLPTIM1);
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// Configure clock source
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LL_RCC_SetLPTIMClockSource(LL_RCC_LPTIM1_CLKSOURCE_LSE);
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// There is a theoretical possibility that we need it
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LL_APB1_GRP1_EnableClockSleep(LL_APB1_GRP1_PERIPH_LPTIM1);
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// Set interrupt priority and enable them
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NVIC_SetPriority(
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FURI_HAL_IDLE_TIMER_IRQ, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 15, 0));
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NVIC_EnableIRQ(FURI_HAL_IDLE_TIMER_IRQ);
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}
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static inline void furi_hal_idle_timer_start(uint32_t count) {
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count--;
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// Enable timer
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LL_LPTIM_Enable(FURI_HAL_IDLE_TIMER);
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while(!LL_LPTIM_IsEnabled(FURI_HAL_IDLE_TIMER))
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;
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// Enable compare match interrupt
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LL_LPTIM_EnableIT_CMPM(FURI_HAL_IDLE_TIMER);
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// Set compare, autoreload and start counter
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// Include some marging to workaround ARRM behaviour
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LL_LPTIM_SetCompare(FURI_HAL_IDLE_TIMER, count - 3);
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LL_LPTIM_SetAutoReload(FURI_HAL_IDLE_TIMER, count);
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LL_LPTIM_StartCounter(FURI_HAL_IDLE_TIMER, LL_LPTIM_OPERATING_MODE_ONESHOT);
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}
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static inline void furi_hal_idle_timer_reset() {
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// Hard reset timer
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// THE ONLY RELIABLE WAY to stop it according to errata
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furi_hal_bus_reset(FuriHalBusLPTIM1);
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// Prevent IRQ handler call
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NVIC_ClearPendingIRQ(FURI_HAL_IDLE_TIMER_IRQ);
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}
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static inline uint32_t furi_hal_idle_timer_get_cnt() {
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uint32_t counter = LL_LPTIM_GetCounter(FURI_HAL_IDLE_TIMER);
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uint32_t counter_shadow = LL_LPTIM_GetCounter(FURI_HAL_IDLE_TIMER);
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while(counter != counter_shadow) {
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counter = counter_shadow;
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counter_shadow = LL_LPTIM_GetCounter(FURI_HAL_IDLE_TIMER);
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}
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return counter;
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}
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