[FL-2366] HAL to LL migration part 2 (#1053)

* iButton, FuriHal: add onewire HAL, migrate to LL, add missing critical section guards
* FuriHal: rename onewire to ibutton, cleanup RCC domain usage, fix ibutton and rfid
* FuriHal: cleanup RCC usage

firmware/targets/f7/furi_hal/furi_hal_ibutton.c

@@ -1,6 +1,92 @@
 #include <furi_hal_ibutton.h>
+#include <furi_hal_interrupt.h>
 #include <furi_hal_resources.h>
 
+#include <stm32wbxx_ll_tim.h>
+
+#include <furi.h>
+
+#define FURI_HAL_IBUTTON_TIMER TIM1
+#define FURI_HAL_IBUTTON_TIMER_IRQ TIM1_UP_TIM16_IRQn
+
+typedef enum {
+    FuriHalIbuttonStateIdle,
+    FuriHalIbuttonStateRunning,
+} FuriHalIbuttonState;
+
+typedef struct {
+    FuriHalIbuttonState state;
+    FuriHalIbuttonEmulateCallback callback;
+    void* context;
+} FuriHalIbutton;
+
+FuriHalIbutton* furi_hal_ibutton = NULL;
+
+static void furi_hal_ibutton_emulate_isr() {
+    if(LL_TIM_IsActiveFlag_UPDATE(FURI_HAL_IBUTTON_TIMER)) {
+        LL_TIM_ClearFlag_UPDATE(FURI_HAL_IBUTTON_TIMER);
+        furi_hal_ibutton->callback(furi_hal_ibutton->context);
+    }
+}
+
+void furi_hal_ibutton_init() {
+    furi_hal_ibutton = malloc(sizeof(FuriHalIbutton));
+    furi_hal_ibutton->state = FuriHalIbuttonStateIdle;
+}
+
+void furi_hal_ibutton_emulate_start(
+    uint32_t period,
+    FuriHalIbuttonEmulateCallback callback,
+    void* context) {
+    furi_assert(furi_hal_ibutton);
+    furi_assert(furi_hal_ibutton->state == FuriHalIbuttonStateIdle);
+
+    furi_hal_ibutton->state = FuriHalIbuttonStateRunning;
+    furi_hal_ibutton->callback = callback;
+    furi_hal_ibutton->context = context;
+
+    FURI_CRITICAL_ENTER();
+    LL_TIM_DeInit(FURI_HAL_IBUTTON_TIMER);
+    FURI_CRITICAL_EXIT();
+
+    LL_TIM_SetPrescaler(FURI_HAL_IBUTTON_TIMER, 0);
+    LL_TIM_SetCounterMode(FURI_HAL_IBUTTON_TIMER, LL_TIM_COUNTERMODE_UP);
+    LL_TIM_SetAutoReload(FURI_HAL_IBUTTON_TIMER, period);
+    LL_TIM_DisableARRPreload(FURI_HAL_IBUTTON_TIMER);
+    LL_TIM_SetRepetitionCounter(FURI_HAL_IBUTTON_TIMER, 0);
+
+    LL_TIM_SetClockDivision(FURI_HAL_IBUTTON_TIMER, LL_TIM_CLOCKDIVISION_DIV1);
+    LL_TIM_SetClockSource(FURI_HAL_IBUTTON_TIMER, LL_TIM_CLOCKSOURCE_INTERNAL);
+    LL_TIM_GenerateEvent_UPDATE(FURI_HAL_IBUTTON_TIMER);
+
+    LL_TIM_EnableIT_UPDATE(FURI_HAL_IBUTTON_TIMER);
+
+    furi_hal_interrupt_set_timer_isr(FURI_HAL_IBUTTON_TIMER, furi_hal_ibutton_emulate_isr);
+
+    NVIC_SetPriority(
+        FURI_HAL_IBUTTON_TIMER_IRQ, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0));
+    NVIC_EnableIRQ(FURI_HAL_IBUTTON_TIMER_IRQ);
+
+    LL_TIM_EnableCounter(FURI_HAL_IBUTTON_TIMER);
+}
+
+void furi_hal_ibutton_emulate_set_next(uint32_t period) {
+    LL_TIM_SetAutoReload(FURI_HAL_IBUTTON_TIMER, period);
+}
+
+void furi_hal_ibutton_emulate_stop() {
+    furi_assert(furi_hal_ibutton);
+
+    if(furi_hal_ibutton->state == FuriHalIbuttonStateRunning) {
+        furi_hal_ibutton->state = FuriHalIbuttonStateIdle;
+        LL_TIM_DisableCounter(FURI_HAL_IBUTTON_TIMER);
+        furi_hal_interrupt_set_timer_isr(FURI_HAL_IBUTTON_TIMER, NULL);
+
+        furi_hal_ibutton->callback = NULL;
+        furi_hal_ibutton->context = NULL;
+    }
+}
+
 void furi_hal_ibutton_start() {
     furi_hal_ibutton_pin_high();
     hal_gpio_init(&ibutton_gpio, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow);