[FL-1058] Low frequency RFID app [Indala 40134 Encoder] (#447)

* App Lfrfid: Rename encoder to match extact protocol.
* Api-hal-gpio: fix alt fn config
* Api-hal-gpio: fixed fix
* App Lfrfid: indala 40134 timer stage

applications/lf-rfid/helpers/encoder-hid-h10301.cpp

@@ -1,7 +1,7 @@
-#include "encoder-hid.h"
+#include "encoder-hid-h10301.h"
 #include <furi.h>
 
-void EncoderHID::init(const uint8_t* data, const uint8_t data_size) {
+void EncoderHID_H10301::init(const uint8_t* data, const uint8_t data_size) {
     furi_check(data_size == 3);
 
     card_data[0] = 0;
@@ -73,12 +73,12 @@ void EncoderHID::init(const uint8_t* data, const uint8_t data_size) {
     bit_index = 0;
 }
 
-void EncoderHID::write_bit(bool bit, uint8_t position) {
+void EncoderHID_H10301::write_bit(bool bit, uint8_t position) {
     write_raw_bit(bit, position + 0);
     write_raw_bit(!bit, position + 1);
 }
 
-void EncoderHID::write_raw_bit(bool bit, uint8_t position) {
+void EncoderHID_H10301::write_raw_bit(bool bit, uint8_t position) {
     if(bit) {
         card_data[position / 32] |= 1UL << (31 - (position % 32));
     } else {
@@ -86,7 +86,7 @@ void EncoderHID::write_raw_bit(bool bit, uint8_t position) {
     }
 }
 
-void EncoderHID::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
+void EncoderHID_H10301::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
     // hid 0 is 6 cycles by 8 clocks
     const uint8_t hid_0_period = 8;
     const uint8_t hid_0_count = 6;

applications/lf-rfid/helpers/encoder-hid-h10301.h

@@ -1,7 +1,7 @@
 #pragma once
 #include "encoder-generic.h"
 
-class EncoderHID : public EncoderGeneric {
+class EncoderHID_H10301 : public EncoderGeneric {
 public:
     /**
      * @brief init data to emulate

applications/lf-rfid/helpers/encoder-indala-40134.cpp

@@ -0,0 +1,34 @@
+#include "encoder-indala-40134.h"
+#include <furi.h>
+
+void EncoderIndala_40134::init(const uint8_t* data, const uint8_t data_size) {
+    card_data = 0b1010000000000000000000000000000011010000010010001000011000110010;
+
+    last_bit = card_data & 1;
+    card_data_index = 0;
+    current_polarity = true;
+}
+
+void EncoderIndala_40134::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
+    *period = 2;
+    *pulse = 1;
+    *polarity = current_polarity;
+
+    bit_clock_index++;
+    if(bit_clock_index >= clock_per_bit) {
+        bit_clock_index = 0;
+
+        bool current_bit = (card_data >> (63 - card_data_index)) & 1;
+
+        if(current_bit != last_bit) {
+            current_polarity = !current_polarity;
+        }
+
+        last_bit = current_bit;
+
+        card_data_index++;
+        if(card_data_index >= 64) {
+            card_data_index = 0;
+        }
+    }
+}

applications/lf-rfid/helpers/encoder-indala-40134.h

@@ -1,7 +1,7 @@
 #pragma once
 #include "encoder-generic.h"
 
-class EncoderIndala : public EncoderGeneric {
+class EncoderIndala_40134 : public EncoderGeneric {
 public:
     /**
      * @brief init data to emulate
@@ -17,6 +17,7 @@ private:
     uint64_t card_data;
     uint8_t card_data_index;
     uint8_t bit_clock_index;
-    bool last_polarity;
+    bool last_bit;
+    bool current_polarity;
     static const uint8_t clock_per_bit = 16;
 };

applications/lf-rfid/helpers/encoder-indala.cpp

@@ -1,27 +0,0 @@
-#include "encoder-indala.h"
-#include <furi.h>
-
-void EncoderIndala::init(const uint8_t* data, const uint8_t data_size) {
-    card_data = 0b1010000000000000000000000000000010011101111110011001001001010010;
-    last_polarity = card_data & 1;
-    card_data_index = 0;
-}
-
-void EncoderIndala::get_next(bool* polarity, uint16_t* period, uint16_t* pulse) {
-    bool new_bit = (card_data >> (63 - card_data_index)) & 1;
-
-    *period = 2;
-    *pulse = 1;
-    *polarity = (new_bit != last_polarity);
-
-    bit_clock_index++;
-    if(bit_clock_index >= clock_per_bit) {
-        bit_clock_index = 0;
-        last_polarity = *polarity;
-
-        card_data_index++;
-        if(card_data_index >= 64) {
-            card_data_index = 0;
-        }
-    }
-}

applications/lf-rfid/helpers/rfid-timer-emulator.cpp

@@ -4,47 +4,6 @@ extern TIM_HandleTypeDef htim1;
 /*
 static uint16_t times_index = 0;
 
-constexpr uint16_t hid_237_34672_count = 528;
-constexpr uint8_t hid_237_34672[hid_237_34672_count] = {
-    8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10,
-    10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,
-    8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,
-    10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10,
-    10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,
-    8,  8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,
-    8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,
-    8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,
-    8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10,
-    10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,
-    8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,
-    10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  8,  8,
-    8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10,
-    10, 8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,
-    8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  10, 10,
-    10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10,
-    10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10,
-    10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  8,  8,  8,
-    8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10,
-    8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  8,  10,
-    10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10,
-    10, 10, 8,  8,  8,  8,  8,  8,  10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8,  8,  8,  8,  8,  8,
-};
-
-static void callback_hid(void* _hw, void* ctx) {
-    //RfidTimerEmulator* _this = static_cast<RfidTimerEmulator*>(ctx);
-    TIM_HandleTypeDef* hw = static_cast<TIM_HandleTypeDef*>(_hw);
-
-    if(hw == &htim1) {
-        hw->Instance->ARR = hid_237_34672[times_index] - 1;
-        hw->Instance->CCR1 = hid_237_34672[times_index] / 2; // - 1
-
-        times_index++;
-        if(times_index >= hid_237_34672_count) {
-            times_index = 0;
-        }
-    }
-}
-
 typedef struct {
     uint8_t arr;
     uint8_t ccr;
@@ -347,10 +306,10 @@ void RfidTimerEmulator::start(Type type) {
         case Type::EM:
             current_encoder->init(em_data, 5);
             break;
-        case Type::HID:
+        case Type::HID_H10301:
             current_encoder->init(hid_data, 3);
             break;
-        case Type::Indala:
+        case Type::Indala_40134:
             current_encoder->init(nullptr, 5);
             break;
         }

applications/lf-rfid/helpers/rfid-timer-emulator.h

@@ -3,8 +3,8 @@
 #include "key-info.h"
 #include "encoder-generic.h"
 #include "encoder-emmarine.h"
-#include "encoder-hid.h"
+#include "encoder-hid-h10301.h"
-#include "encoder-indala.h"
+#include "encoder-indala-40134.h"
 #include "pulse-joiner.h"
 #include <map>
 
@@ -12,8 +12,8 @@ class RfidTimerEmulator {
 public:
     enum class Type : uint8_t {
         EM,
-        HID,
+        HID_H10301,
-        Indala,
+        Indala_40134,
     };
 
     RfidTimerEmulator();
@@ -27,8 +27,8 @@ private:
 
     std::map<Type, EncoderGeneric*> encoders = {
         {Type::EM, new EncoderEM()},
-        {Type::HID, new EncoderHID()},
+        {Type::HID_H10301, new EncoderHID_H10301()},
-        {Type::Indala, new EncoderIndala()},
+        {Type::Indala_40134, new EncoderIndala_40134()},
     };
 
     PulseJoiner pulse_joiner;

applications/lf-rfid/scene/lf-rfid-scene-emulate-hid.cpp

@@ -10,11 +10,11 @@ void LfrfidSceneEmulateHID::on_enter(LfrfidApp* app) {
 
     Popup* popup = view_manager->get_popup();
     popup_set_header(popup, "LF-RFID", 64, 16, AlignCenter, AlignBottom);
-    app->set_text_store("HID emulation");
+    app->set_text_store("HID H10301 emulation");
     popup_set_text(popup, app->get_text_store(), 64, 22, AlignCenter, AlignTop);
 
     view_manager->switch_to(LfrfidAppViewManager::ViewType::Popup);
-    app->get_emulator()->start(RfidTimerEmulator::Type::HID);
+    app->get_emulator()->start(RfidTimerEmulator::Type::HID_H10301);
 }
 
 bool LfrfidSceneEmulateHID::on_event(LfrfidApp* app, LfrfidEvent* event) {

applications/lf-rfid/scene/lf-rfid-scene-emulate-indala.cpp

@@ -10,11 +10,11 @@ void LfrfidSceneEmulateIndala::on_enter(LfrfidApp* app) {
 
     Popup* popup = view_manager->get_popup();
     popup_set_header(popup, "LF-RFID", 64, 16, AlignCenter, AlignBottom);
-    app->set_text_store("Indala emulation");
+    app->set_text_store("Indala 40134 emulation");
     popup_set_text(popup, app->get_text_store(), 64, 22, AlignCenter, AlignTop);
 
     view_manager->switch_to(LfrfidAppViewManager::ViewType::Popup);
-    app->get_emulator()->start(RfidTimerEmulator::Type::Indala);
+    app->get_emulator()->start(RfidTimerEmulator::Type::Indala_40134);
 }
 
 bool LfrfidSceneEmulateIndala::on_event(LfrfidApp* app, LfrfidEvent* event) {

firmware/targets/f5/api-hal/api-hal-gpio.c

@@ -33,6 +33,14 @@
 
 static volatile GpioInterrupt gpio_interrupt[GPIO_NUMBER];
 
+static uint8_t hal_gpio_get_pin_num(const GpioPin* gpio) {
+    uint8_t pin_num = 0;
+    for(pin_num = 0; pin_num < GPIO_NUMBER; pin_num++) {
+        if(gpio->pin & (1 << pin_num)) break;
+    }
+    return pin_num;
+}
+
 void hal_gpio_init(
     const GpioPin* gpio,
     const GpioMode mode,
@@ -120,7 +128,7 @@ void hal_gpio_init_alt(
     LL_GPIO_SetPinMode(gpio->port, gpio->pin, LL_GPIO_MODE_ALTERNATE);
 
     // set alternate function
-    if(gpio->pin < 8) {
+    if(hal_gpio_get_pin_num(gpio) < 8) {
         LL_GPIO_SetAFPin_0_7(gpio->port, gpio->pin, alt_fn);
     } else {
         LL_GPIO_SetAFPin_8_15(gpio->port, gpio->pin, alt_fn);
@@ -128,14 +136,6 @@ void hal_gpio_init_alt(
     __enable_irq();
 }
 
-static uint8_t hal_gpio_get_pin_num(const GpioPin* gpio) {
-    uint8_t pin_num = 0;
-    for(pin_num = 0; pin_num < GPIO_NUMBER; pin_num++) {
-        if(gpio->pin & (1 << pin_num)) break;
-    }
-    return pin_num;
-}
-
 void hal_gpio_add_int_callback(const GpioPin* gpio, GpioExtiCallback cb, void* ctx) {
     furi_assert(gpio);
     furi_assert(cb);