1fdc5f2950
* 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
355 lines
12 KiB
C
355 lines
12 KiB
C
#include <furi_hal_rfid.h>
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#include <furi_hal_ibutton.h>
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#include <furi_hal_resources.h>
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#include <furi_hal_version.h>
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#include <tim.h>
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#include <stm32wbxx_ll_tim.h>
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#include <stm32wbxx_ll_comp.h>
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#define LFRFID_TIM htim1
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#define LFRFID_CH TIM_CHANNEL_1
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#define LFRFID_READ_TIM htim1
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#define LFRFID_READ_CHANNEL TIM_CHANNEL_1
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#define LFRFID_EMULATE_TIM htim2
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#define LFRFID_EMULATE_CHANNEL TIM_CHANNEL_3
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void furi_hal_rfid_init() {
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furi_hal_rfid_pins_reset();
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LL_COMP_InitTypeDef COMP_InitStruct = {0};
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COMP_InitStruct.PowerMode = LL_COMP_POWERMODE_MEDIUMSPEED;
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COMP_InitStruct.InputPlus = LL_COMP_INPUT_PLUS_IO1;
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COMP_InitStruct.InputMinus = LL_COMP_INPUT_MINUS_1_2VREFINT;
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COMP_InitStruct.InputHysteresis = LL_COMP_HYSTERESIS_HIGH;
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#ifdef INVERT_RFID_IN
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COMP_InitStruct.OutputPolarity = LL_COMP_OUTPUTPOL_INVERTED;
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#else
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COMP_InitStruct.OutputPolarity = LL_COMP_OUTPUTPOL_NONINVERTED;
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#endif
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COMP_InitStruct.OutputBlankingSource = LL_COMP_BLANKINGSRC_NONE;
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LL_COMP_Init(COMP1, &COMP_InitStruct);
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LL_COMP_SetCommonWindowMode(__LL_COMP_COMMON_INSTANCE(COMP1), LL_COMP_WINDOWMODE_DISABLE);
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LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_20);
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LL_EXTI_EnableFallingTrig_0_31(LL_EXTI_LINE_20);
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LL_EXTI_EnableRisingTrig_0_31(LL_EXTI_LINE_20);
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LL_EXTI_DisableEvent_0_31(LL_EXTI_LINE_20);
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LL_EXTI_EnableIT_0_31(LL_EXTI_LINE_20);
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NVIC_SetPriority(COMP_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0));
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NVIC_EnableIRQ(COMP_IRQn);
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}
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void furi_hal_rfid_pins_reset() {
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// ibutton bus disable
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furi_hal_ibutton_stop();
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// pulldown rfid antenna
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hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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hal_gpio_write(&gpio_rfid_carrier_out, false);
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// from both sides
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hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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hal_gpio_write(&gpio_rfid_pull, true);
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hal_gpio_init_simple(&gpio_rfid_carrier, GpioModeAnalog);
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hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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}
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void furi_hal_rfid_pins_emulate() {
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// ibutton low
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furi_hal_ibutton_start();
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furi_hal_ibutton_pin_low();
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// pull pin to timer out
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hal_gpio_init_ex(
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&gpio_rfid_pull, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn1TIM2);
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// pull rfid antenna from carrier side
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hal_gpio_init(&gpio_rfid_carrier_out, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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hal_gpio_write(&gpio_rfid_carrier_out, false);
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hal_gpio_init_ex(
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&gpio_rfid_carrier, GpioModeAltFunctionPushPull, GpioPullNo, GpioSpeedLow, GpioAltFn2TIM2);
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}
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void furi_hal_rfid_pins_read() {
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// ibutton low
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furi_hal_ibutton_start();
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furi_hal_ibutton_pin_low();
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// dont pull rfid antenna
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hal_gpio_init(&gpio_rfid_pull, GpioModeOutputPushPull, GpioPullNo, GpioSpeedLow);
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hal_gpio_write(&gpio_rfid_pull, false);
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// carrier pin to timer out
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hal_gpio_init_ex(
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&gpio_rfid_carrier_out,
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GpioModeAltFunctionPushPull,
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GpioPullNo,
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GpioSpeedLow,
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GpioAltFn1TIM1);
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// comparator in
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hal_gpio_init(&gpio_rfid_data_in, GpioModeAnalog, GpioPullNo, GpioSpeedLow);
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}
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void furi_hal_rfid_pin_pull_release() {
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hal_gpio_write(&gpio_rfid_pull, true);
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}
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void furi_hal_rfid_pin_pull_pulldown() {
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hal_gpio_write(&gpio_rfid_pull, false);
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}
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void furi_hal_rfid_tim_read(float freq, float duty_cycle) {
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// TODO LL init
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uint32_t period = (uint32_t)((SystemCoreClock) / freq) - 1;
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
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// basic PWM setup with needed freq and internal clock
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LFRFID_READ_TIM.Init.Prescaler = 0;
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LFRFID_READ_TIM.Init.CounterMode = TIM_COUNTERMODE_UP;
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LFRFID_READ_TIM.Init.Period = period;
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LFRFID_READ_TIM.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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LFRFID_READ_TIM.Init.RepetitionCounter = 0;
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LFRFID_READ_TIM.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if(HAL_TIM_Base_Init(&LFRFID_READ_TIM) != HAL_OK) {
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if(HAL_TIM_ConfigClockSource(&LFRFID_READ_TIM, &sClockSourceConfig) != HAL_OK) {
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Error_Handler();
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}
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if(HAL_TIM_PWM_Init(&LFRFID_READ_TIM) != HAL_OK) {
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Error_Handler();
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}
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// no master-slave mode
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterOutputTrigger2 = TIM_TRGO2_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if(HAL_TIMEx_MasterConfigSynchronization(&LFRFID_READ_TIM, &sMasterConfig) != HAL_OK) {
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Error_Handler();
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}
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// pwm config
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = (uint32_t)(LFRFID_READ_TIM.Init.Period * duty_cycle);
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
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sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
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if(HAL_TIM_PWM_ConfigChannel(&LFRFID_READ_TIM, &sConfigOC, LFRFID_READ_CHANNEL) != HAL_OK) {
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Error_Handler();
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}
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// no deadtime
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sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
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sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
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sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
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sBreakDeadTimeConfig.DeadTime = 0;
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sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
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sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
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sBreakDeadTimeConfig.BreakFilter = 0;
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sBreakDeadTimeConfig.BreakAFMode = TIM_BREAK_AFMODE_INPUT;
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sBreakDeadTimeConfig.Break2State = TIM_BREAK2_DISABLE;
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sBreakDeadTimeConfig.Break2Polarity = TIM_BREAK2POLARITY_HIGH;
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sBreakDeadTimeConfig.Break2Filter = 0;
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sBreakDeadTimeConfig.Break2AFMode = TIM_BREAK_AFMODE_INPUT;
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sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
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if(HAL_TIMEx_ConfigBreakDeadTime(&LFRFID_READ_TIM, &sBreakDeadTimeConfig) != HAL_OK) {
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Error_Handler();
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}
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}
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void furi_hal_rfid_tim_read_start() {
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HAL_TIMEx_PWMN_Start(&LFRFID_READ_TIM, LFRFID_READ_CHANNEL);
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}
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void furi_hal_rfid_tim_read_stop() {
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HAL_TIMEx_PWMN_Stop(&LFRFID_READ_TIM, LFRFID_READ_CHANNEL);
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}
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void furi_hal_rfid_tim_emulate(float freq) {
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// TODO LL init
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// uint32_t prescaler = (uint32_t)((SystemCoreClock) / freq) - 1;
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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// basic PWM setup with needed freq and internal clock
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LFRFID_EMULATE_TIM.Init.Prescaler = 0;
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LFRFID_EMULATE_TIM.Init.CounterMode = TIM_COUNTERMODE_UP;
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LFRFID_EMULATE_TIM.Init.Period = 1;
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LFRFID_EMULATE_TIM.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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LFRFID_EMULATE_TIM.Init.RepetitionCounter = 0;
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LFRFID_EMULATE_TIM.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
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if(HAL_TIM_Base_Init(&LFRFID_EMULATE_TIM) != HAL_OK) {
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_ETRMODE2;
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sClockSourceConfig.ClockPolarity = TIM_ETRPOLARITY_INVERTED;
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sClockSourceConfig.ClockPrescaler = TIM_CLOCKPRESCALER_DIV1;
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sClockSourceConfig.ClockFilter = 0;
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if(HAL_TIM_ConfigClockSource(&LFRFID_EMULATE_TIM, &sClockSourceConfig) != HAL_OK) {
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Error_Handler();
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}
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if(HAL_TIM_PWM_Init(&LFRFID_EMULATE_TIM) != HAL_OK) {
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Error_Handler();
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}
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// no master-slave mode
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterOutputTrigger2 = TIM_TRGO2_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if(HAL_TIMEx_MasterConfigSynchronization(&LFRFID_EMULATE_TIM, &sMasterConfig) != HAL_OK) {
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Error_Handler();
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}
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// pwm config
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 1;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
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sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
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if(HAL_TIM_PWM_ConfigChannel(&LFRFID_EMULATE_TIM, &sConfigOC, LFRFID_EMULATE_CHANNEL) !=
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HAL_OK) {
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Error_Handler();
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}
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}
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void furi_hal_rfid_tim_emulate_start() {
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// TODO make api for interrupts priority
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for(size_t i = WWDG_IRQn; i <= DMAMUX1_OVR_IRQn; i++) {
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HAL_NVIC_SetPriority(i, 15, 0);
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}
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HAL_NVIC_SetPriority(TIM2_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(TIM2_IRQn);
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HAL_TIM_PWM_Start_IT(&LFRFID_EMULATE_TIM, LFRFID_EMULATE_CHANNEL);
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HAL_TIM_Base_Start_IT(&LFRFID_EMULATE_TIM);
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}
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void furi_hal_rfid_tim_emulate_stop() {
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HAL_TIM_Base_Stop(&LFRFID_EMULATE_TIM);
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HAL_TIM_PWM_Stop(&LFRFID_EMULATE_TIM, LFRFID_EMULATE_CHANNEL);
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}
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void furi_hal_rfid_tim_reset() {
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FURI_CRITICAL_ENTER();
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HAL_TIM_Base_DeInit(&LFRFID_READ_TIM);
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LL_TIM_DeInit(TIM1);
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HAL_TIM_Base_DeInit(&LFRFID_EMULATE_TIM);
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LL_TIM_DeInit(TIM2);
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FURI_CRITICAL_EXIT();
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}
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bool furi_hal_rfid_is_tim_emulate(TIM_HandleTypeDef* hw) {
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return (hw == &LFRFID_EMULATE_TIM);
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}
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void furi_hal_rfid_set_emulate_period(uint32_t period) {
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LFRFID_EMULATE_TIM.Instance->ARR = period;
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}
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void furi_hal_rfid_set_emulate_pulse(uint32_t pulse) {
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switch(LFRFID_EMULATE_CHANNEL) {
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case TIM_CHANNEL_1:
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LFRFID_EMULATE_TIM.Instance->CCR1 = pulse;
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break;
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case TIM_CHANNEL_2:
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LFRFID_EMULATE_TIM.Instance->CCR2 = pulse;
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break;
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case TIM_CHANNEL_3:
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LFRFID_EMULATE_TIM.Instance->CCR3 = pulse;
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break;
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case TIM_CHANNEL_4:
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LFRFID_EMULATE_TIM.Instance->CCR4 = pulse;
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break;
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default:
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furi_crash(NULL);
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break;
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}
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}
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void furi_hal_rfid_set_read_period(uint32_t period) {
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LFRFID_TIM.Instance->ARR = period;
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}
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void furi_hal_rfid_set_read_pulse(uint32_t pulse) {
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switch(LFRFID_READ_CHANNEL) {
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case TIM_CHANNEL_1:
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LFRFID_TIM.Instance->CCR1 = pulse;
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break;
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case TIM_CHANNEL_2:
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LFRFID_TIM.Instance->CCR2 = pulse;
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break;
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case TIM_CHANNEL_3:
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LFRFID_TIM.Instance->CCR3 = pulse;
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break;
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case TIM_CHANNEL_4:
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LFRFID_TIM.Instance->CCR4 = pulse;
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break;
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default:
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furi_crash(NULL);
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break;
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}
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}
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void furi_hal_rfid_change_read_config(float freq, float duty_cycle) {
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uint32_t period = (uint32_t)((SystemCoreClock) / freq) - 1;
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furi_hal_rfid_set_read_period(period);
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furi_hal_rfid_set_read_pulse(period * duty_cycle);
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}
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void furi_hal_rfid_comp_start() {
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LL_COMP_Enable(COMP1);
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// Magic
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uint32_t wait_loop_index = ((80 / 10UL) * ((SystemCoreClock / (100000UL * 2UL)) + 1UL));
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while(wait_loop_index) {
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wait_loop_index--;
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}
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}
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void furi_hal_rfid_comp_stop() {
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LL_COMP_Disable(COMP1);
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}
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FuriHalRfidCompCallback furi_hal_rfid_comp_callback = NULL;
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void* furi_hal_rfid_comp_callback_context = NULL;
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void furi_hal_rfid_comp_set_callback(FuriHalRfidCompCallback callback, void* context) {
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FURI_CRITICAL_ENTER();
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furi_hal_rfid_comp_callback = callback;
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furi_hal_rfid_comp_callback_context = context;
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__DMB();
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FURI_CRITICAL_EXIT();
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}
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/* Comparator trigger event */
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void COMP_IRQHandler() {
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if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_20)) {
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LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_20);
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}
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if(furi_hal_rfid_comp_callback) {
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furi_hal_rfid_comp_callback(
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(LL_COMP_ReadOutputLevel(COMP1) == LL_COMP_OUTPUT_LEVEL_LOW),
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furi_hal_rfid_comp_callback_context);
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}
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}
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