2022-01-05 16:10:18 +00:00
|
|
|
#include <furi_hal_ibutton.h>
|
2022-03-25 10:33:01 +00:00
|
|
|
#include <furi_hal_interrupt.h>
|
2022-01-05 16:10:18 +00:00
|
|
|
#include <furi_hal_resources.h>
|
2023-05-29 16:05:57 +00:00
|
|
|
#include <furi_hal_bus.h>
|
2021-09-10 02:19:02 +00:00
|
|
|
|
2022-03-25 10:33:01 +00:00
|
|
|
#include <stm32wbxx_ll_tim.h>
|
|
|
|
|
|
|
|
#include <furi.h>
|
|
|
|
|
2023-03-22 17:00:48 +00:00
|
|
|
#define TAG "FuriHalIbutton"
|
2022-03-25 10:33:01 +00:00
|
|
|
#define FURI_HAL_IBUTTON_TIMER TIM1
|
2023-05-29 16:05:57 +00:00
|
|
|
#define FURI_HAL_IBUTTON_TIMER_BUS FuriHalBusTIM1
|
2022-03-29 17:37:23 +00:00
|
|
|
#define FURI_HAL_IBUTTON_TIMER_IRQ FuriHalInterruptIdTim1UpTim16
|
2022-03-25 10:33:01 +00:00
|
|
|
|
|
|
|
typedef enum {
|
|
|
|
FuriHalIbuttonStateIdle,
|
|
|
|
FuriHalIbuttonStateRunning,
|
|
|
|
} FuriHalIbuttonState;
|
|
|
|
|
|
|
|
typedef struct {
|
|
|
|
FuriHalIbuttonState state;
|
|
|
|
FuriHalIbuttonEmulateCallback callback;
|
|
|
|
void* context;
|
|
|
|
} FuriHalIbutton;
|
|
|
|
|
|
|
|
FuriHalIbutton* furi_hal_ibutton = NULL;
|
|
|
|
|
2024-02-26 12:16:19 +00:00
|
|
|
static void furi_hal_ibutton_emulate_isr(void* context) {
|
|
|
|
UNUSED(context);
|
2022-03-25 10:33:01 +00:00
|
|
|
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);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2024-03-19 14:43:52 +00:00
|
|
|
void furi_hal_ibutton_init(void) {
|
2022-03-25 10:33:01 +00:00
|
|
|
furi_hal_ibutton = malloc(sizeof(FuriHalIbutton));
|
|
|
|
furi_hal_ibutton->state = FuriHalIbuttonStateIdle;
|
2023-03-22 17:00:48 +00:00
|
|
|
|
|
|
|
FURI_LOG_I(TAG, "Init OK");
|
2022-03-25 10:33:01 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void furi_hal_ibutton_emulate_start(
|
|
|
|
uint32_t period,
|
|
|
|
FuriHalIbuttonEmulateCallback callback,
|
|
|
|
void* context) {
|
2024-03-19 14:43:52 +00:00
|
|
|
furi_check(furi_hal_ibutton);
|
|
|
|
furi_check(furi_hal_ibutton->state == FuriHalIbuttonStateIdle);
|
2022-03-25 10:33:01 +00:00
|
|
|
|
|
|
|
furi_hal_ibutton->state = FuriHalIbuttonStateRunning;
|
|
|
|
furi_hal_ibutton->callback = callback;
|
|
|
|
furi_hal_ibutton->context = context;
|
|
|
|
|
2023-05-29 16:05:57 +00:00
|
|
|
furi_hal_bus_enable(FURI_HAL_IBUTTON_TIMER_BUS);
|
2022-03-25 10:33:01 +00:00
|
|
|
|
2022-03-29 17:37:23 +00:00
|
|
|
furi_hal_interrupt_set_isr(FURI_HAL_IBUTTON_TIMER_IRQ, furi_hal_ibutton_emulate_isr, NULL);
|
2022-03-28 13:42:31 +00:00
|
|
|
|
2022-03-25 10:33:01 +00:00
|
|
|
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);
|
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
2024-03-19 14:43:52 +00:00
|
|
|
void furi_hal_ibutton_emulate_stop(void) {
|
|
|
|
furi_check(furi_hal_ibutton);
|
2022-03-25 10:33:01 +00:00
|
|
|
|
|
|
|
if(furi_hal_ibutton->state == FuriHalIbuttonStateRunning) {
|
|
|
|
furi_hal_ibutton->state = FuriHalIbuttonStateIdle;
|
|
|
|
LL_TIM_DisableCounter(FURI_HAL_IBUTTON_TIMER);
|
2022-03-28 13:42:31 +00:00
|
|
|
|
2023-05-29 16:05:57 +00:00
|
|
|
furi_hal_bus_disable(FURI_HAL_IBUTTON_TIMER_BUS);
|
2022-03-29 17:37:23 +00:00
|
|
|
furi_hal_interrupt_set_isr(FURI_HAL_IBUTTON_TIMER_IRQ, NULL, NULL);
|
2022-03-25 10:33:01 +00:00
|
|
|
|
|
|
|
furi_hal_ibutton->callback = NULL;
|
|
|
|
furi_hal_ibutton->context = NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2024-03-19 14:43:52 +00:00
|
|
|
void furi_hal_ibutton_pin_configure(void) {
|
2023-04-06 09:06:19 +00:00
|
|
|
furi_hal_gpio_write(&gpio_ibutton, true);
|
|
|
|
furi_hal_gpio_init(&gpio_ibutton, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow);
|
2021-09-10 02:19:02 +00:00
|
|
|
}
|
|
|
|
|
2024-03-19 14:43:52 +00:00
|
|
|
void furi_hal_ibutton_pin_reset(void) {
|
2023-04-06 09:06:19 +00:00
|
|
|
furi_hal_gpio_write(&gpio_ibutton, true);
|
|
|
|
furi_hal_gpio_init(&gpio_ibutton, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
|
2021-09-10 02:19:02 +00:00
|
|
|
}
|
|
|
|
|
2023-02-08 05:40:44 +00:00
|
|
|
void furi_hal_ibutton_pin_write(const bool state) {
|
2023-04-06 09:06:19 +00:00
|
|
|
furi_hal_gpio_write(&gpio_ibutton, state);
|
2021-09-10 02:19:02 +00:00
|
|
|
}
|