mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-24 13:33:06 +00:00
8073992925
* RFID: pull antenna down when emulating * Rfid: fixed HID emulation by adding zero pulse every 4 bits * Rfid: HID emulation fixed with DSP based FSK oscillator. * Rfid: receive 125KHz clock for emulation timer from antenna and comparator * Rfid: commented unused variable * Firmware: rollback changes in f6. * Add F7 target based on F6. * F7/F6: update cube projects, apply changes to the targets, update linker scripts with correct RAM start values. * FuriHal: RFID init routine. * Scripts: update OTP tool for v11 board Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
#include <furi-hal-os.h>
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#include <furi-hal-os-timer.h>
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#include <furi-hal-power.h>
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#include <stm32wbxx_ll_cortex.h>
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#include <furi.h>
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#define FURI_HAL_OS_CLK_FREQUENCY 32768
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#define FURI_HAL_OS_TICK_PER_SECOND 1024
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#define FURI_HAL_OS_CLK_PER_TICK (FURI_HAL_OS_CLK_FREQUENCY / FURI_HAL_OS_TICK_PER_SECOND)
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#define FURI_HAL_OS_TICK_PER_EPOCH (FURI_HAL_OS_TIMER_MAX / FURI_HAL_OS_CLK_PER_TICK)
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#define FURI_HAL_OS_MAX_SLEEP (FURI_HAL_OS_TICK_PER_EPOCH - 1)
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#ifdef FURI_HAL_OS_DEBUG
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#include <stm32wbxx_ll_gpio.h>
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#define LED_SLEEP_PORT GPIOA
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#define LED_SLEEP_PIN LL_GPIO_PIN_7
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#define LED_TICK_PORT GPIOA
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#define LED_TICK_PIN LL_GPIO_PIN_6
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#define LED_SECOND_PORT GPIOA
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#define LED_SECOND_PIN LL_GPIO_PIN_4
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void furi_hal_os_timer_callback() {
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LL_GPIO_TogglePin(LED_SECOND_PORT, LED_SECOND_PIN);
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}
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#endif
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extern void xPortSysTickHandler();
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volatile uint32_t furi_hal_os_skew = 0;
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void furi_hal_os_init() {
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LL_DBGMCU_APB1_GRP2_FreezePeriph(LL_DBGMCU_APB1_GRP2_LPTIM2_STOP);
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furi_hal_os_timer_init();
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furi_hal_os_timer_continuous(FURI_HAL_OS_CLK_PER_TICK);
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#ifdef FURI_HAL_OS_DEBUG
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LL_GPIO_SetPinMode(LED_SLEEP_PORT, LED_SLEEP_PIN, LL_GPIO_MODE_OUTPUT);
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LL_GPIO_SetPinMode(LED_TICK_PORT, LED_TICK_PIN, LL_GPIO_MODE_OUTPUT);
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LL_GPIO_SetPinMode(LED_SECOND_PORT, LED_SECOND_PIN, LL_GPIO_MODE_OUTPUT);
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osTimerId_t second_timer = osTimerNew(furi_hal_os_timer_callback, osTimerPeriodic, NULL, NULL);
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osTimerStart(second_timer, 1024);
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#endif
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FURI_LOG_I("FuriHalOs", "Init OK");
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}
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void LPTIM2_IRQHandler(void) {
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// Autoreload
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if(LL_LPTIM_IsActiveFlag_ARRM(FURI_HAL_OS_TIMER)) {
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LL_LPTIM_ClearFLAG_ARRM(FURI_HAL_OS_TIMER);
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if (xTaskGetSchedulerState() != taskSCHEDULER_NOT_STARTED) {
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#ifdef FURI_HAL_OS_DEBUG
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LL_GPIO_TogglePin(LED_TICK_PORT, LED_TICK_PIN);
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#endif
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xPortSysTickHandler();
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}
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}
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if(LL_LPTIM_IsActiveFlag_CMPM(FURI_HAL_OS_TIMER)) {
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LL_LPTIM_ClearFLAG_CMPM(FURI_HAL_OS_TIMER);
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}
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}
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static inline uint32_t furi_hal_os_sleep(TickType_t expected_idle_ticks) {
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// Stop ticks
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furi_hal_os_timer_reset();
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LL_SYSTICK_DisableIT();
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// Start wakeup timer
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furi_hal_os_timer_single(expected_idle_ticks * FURI_HAL_OS_CLK_PER_TICK);
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#ifdef FURI_HAL_OS_DEBUG
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LL_GPIO_ResetOutputPin(LED_SLEEP_PORT, LED_SLEEP_PIN);
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#endif
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// Go to sleep mode
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furi_hal_power_sleep();
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#ifdef FURI_HAL_OS_DEBUG
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LL_GPIO_SetOutputPin(LED_SLEEP_PORT, LED_SLEEP_PIN);
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#endif
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// Calculate how much time we spent in the sleep
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uint32_t after_cnt = furi_hal_os_timer_get_cnt() + furi_hal_os_skew;
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uint32_t after_tick = after_cnt / FURI_HAL_OS_CLK_PER_TICK;
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furi_hal_os_skew = after_cnt % FURI_HAL_OS_CLK_PER_TICK;
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bool cmpm = LL_LPTIM_IsActiveFlag_CMPM(FURI_HAL_OS_TIMER);
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bool arrm = LL_LPTIM_IsActiveFlag_ARRM(FURI_HAL_OS_TIMER);
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if (cmpm && arrm) after_tick += expected_idle_ticks;
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// Prepare tick timer for new round
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furi_hal_os_timer_reset();
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// Resume ticks
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LL_SYSTICK_EnableIT();
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furi_hal_os_timer_continuous(FURI_HAL_OS_CLK_PER_TICK);
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return after_tick;
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}
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void vPortSuppressTicksAndSleep(TickType_t expected_idle_ticks) {
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if(!furi_hal_power_sleep_available()) {
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__WFI();
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return;
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}
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// Limit mount of ticks to maximum that timer can count
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if (expected_idle_ticks > FURI_HAL_OS_MAX_SLEEP) {
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expected_idle_ticks = FURI_HAL_OS_MAX_SLEEP;
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}
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// Stop IRQ handling, no one should disturb us till we finish
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__disable_irq();
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// Confirm OS that sleep is still possible
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if (eTaskConfirmSleepModeStatus() == eAbortSleep) {
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__enable_irq();
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return;
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}
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// Sleep and track how much ticks we spent sleeping
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uint32_t completed_ticks = furi_hal_os_sleep(expected_idle_ticks);
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// Notify system about time spent in sleep
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if (completed_ticks > 0) {
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if (completed_ticks > expected_idle_ticks) {
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vTaskStepTick(expected_idle_ticks);
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} else {
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vTaskStepTick(completed_ticks);
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}
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}
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// Reenable IRQ
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__enable_irq();
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}
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void vApplicationStackOverflowHook(TaskHandle_t xTask, signed char *pcTaskName) {
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asm("bkpt 1");
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while(1) {};
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}
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