fix: fixed bugs

.cproject

@@ -53,6 +53,7 @@
 									<listOptionValue builtIn="false" value="../Core/External/Tools/Indicator"/>
 									<listOptionValue builtIn="false" value="../Core/External/Scheduler"/>
 									<listOptionValue builtIn="false" value="../Core/External/Scheduler/State"/>
+									<listOptionValue builtIn="false" value="../Core/External/Tools/RingBuffer"/>
 									<listOptionValue builtIn="false" value="../ThirdParty"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc/Legacy"/>
@@ -78,6 +79,7 @@
 									<listOptionValue builtIn="false" value="../Core/External/Tools/Indicator"/>
 									<listOptionValue builtIn="false" value="../Core/External/Scheduler"/>
 									<listOptionValue builtIn="false" value="../Core/External/Scheduler/State"/>
+									<listOptionValue builtIn="false" value="../Core/External/Tools/RingBuffer"/>
 									<listOptionValue builtIn="false" value="../ThirdParty"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc/Legacy"/>

CMakeLists.txt

@@ -49,7 +49,7 @@ else ()
     add_compile_options(-Og -g)
 endif ()
 
-include_directories(Core/Inc Core/External/Sensor Core/External/Proto Core/External/Proto/Generated Core/External/Proto/Buffer Core/External/Tools/Indicator Core/External/Scheduler Core/External/Scheduler/State ThirdParty Drivers/STM32L4xx_HAL_Driver/Inc Drivers/STM32L4xx_HAL_Driver/Inc/Legacy Drivers/CMSIS/Device/ST/STM32L4xx/Include Drivers/CMSIS/Include)
+include_directories(Core/Inc Core/External/Sensor Core/External/Proto Core/External/Proto/Generated Core/External/Proto/Buffer Core/External/Tools/Indicator Core/External/Scheduler Core/External/Scheduler/State Core/External/Tools/RingBuffer ThirdParty Drivers/STM32L4xx_HAL_Driver/Inc Drivers/STM32L4xx_HAL_Driver/Inc/Legacy Drivers/CMSIS/Device/ST/STM32L4xx/Include Drivers/CMSIS/Include)
 
 add_definitions(-DDEBUG -DUSE_HAL_DRIVER -DSTM32L476xx)
 

Core/External/Proto/proto.cpp

@@ -0,0 +1 @@
+#include "proto.h"

Core/External/Proto/proto.h

@@ -6,13 +6,42 @@
 #include "settings.h"
 
 /**
- * Represents parser used to
+ * Represents parser used to decompose and composite request and response.
  */
 class ProtoParser {
 public:
 
+
 private:
-    light_detector:: r;
+    /**
+     * Represents data bus request implementation.
+     */
+    light_detector::DataBusRequest dataBusRequest;
+
+    /**
+     * Represents data bus response implementation.
+     */
+    light_detector::DataBusResponse dataBusResponse;
+
+    /**
+     * Represents info bus request implementation.
+     */
+    light_detector::InfoBusRequest infoBusRequest;
+
+    /**
+     * Represents info bus response implementation.
+     */
+    light_detector::InfoBusResponse infoBusResponse;
+
+    /**
+     * Represents settings bus request implementation.
+     */
+    light_detector::SettingsBusRequest settingsBusRequest;
+
+    /**
+     * Represents settings bus response implementation.
+     */
+    light_detector::SettingsBusResponse settingsBusResponse;
 };
 
 #endif //LIGHT_DETECTOR_PROTO_H

Core/External/Scheduler/State/state.h

@@ -1,8 +1,6 @@
 #ifndef LIGHT_DETECTOR_STATE_H
 #define LIGHT_DETECTOR_STATE_H
 
-#include <mutex>
-
 /**
  * Represents device state handler.
  */
@@ -11,7 +9,6 @@ class State {
 
 
 private:
-    std::mutex mutex;
 };
 
 #endif //LIGHT_DETECTOR_STATE_H

Core/External/Scheduler/scheduler.cpp

@@ -5,17 +5,15 @@ void Scheduler::handle_tick() {
     handle_response();
 }
 
-void Scheduler::handle_status_check() {
-
-}
-
-void Scheduler::handle_request() {}() {
+void Scheduler::handle_request() {
     if (__HAL_UART_GET_FLAG(&huart2, UART_FLAG_RXNE) == SET) {
-        HAL_UART_Receive(&huart2, (int16_t *) &CAM_reso_W, 2, 1000);
+        uint8_t buffer[100];
+
+        HAL_UART_Receive(&huart2, buffer, sizeof(buffer), 1000);
     }
 }
 
-void Scheduler::handle_response() {}() {
+void Scheduler::handle_response() {
     if (TSL2591X::is_configured()) {
         TSL2591X::read_lux();
 
@@ -26,4 +24,8 @@ void Scheduler::handle_response() {}() {
 //    	printf("Visible light: %d\r\n", TSL2591_ReadVisible());
 //    	printf("Full spectrum (IR + visible) light: %d\r\n\r\n", TSL2591X_ReadFull());
     }
+}
+
+void Scheduler::handle_status_check() {
+
 }

Core/External/Tools/Indicator/indicator.h

@@ -1,7 +1,6 @@
 #ifndef LIGHT_DETECTOR_INDICATOR_H
 #define LIGHT_DETECTOR_INDICATOR_H
 
-#include <mutex>
 #include "state.h"
 #include "gpio.h"
 
@@ -40,7 +39,7 @@ class Indicator {
      */
     static void toggle_invalid_request();
 private:
-    
+
 };
 
 #endif //LIGHT_DETECTOR_INDICATOR_H

Core/External/Tools/Mutex/mutex.cpp

@@ -0,0 +1,9 @@
+#include "mutex.h"
+
+void Mutex::lock() {
+
+}
+
+void Mutex::unlock() {
+
+}

Core/External/Tools/Mutex/mutex.h

@@ -0,0 +1,20 @@
+#ifndef LIGHT_DETECTOR_MUTEX_H
+#define LIGHT_DETECTOR_MUTEX_H
+
+/**
+ * Represents mutex implementation for the board.
+ */
+class Mutex {
+public:
+    /**
+     * Attempts to perform lock operation for the mutex.
+     */
+    static void lock();
+
+    /**
+     * Attempts to perform unlock operation for the mutex.
+     */
+    static void unlock();
+};
+
+#endif //LIGHT_DETECTOR_MUTEX_H

Core/External/Tools/RingBuffer/ring_buffer.cpp

@@ -0,0 +1,48 @@
+#include "ring_buffer.h"
+
+#include <string.h>
+
+uint16_t RingBuffer_GetFreeSpace(RingBuffer *buf) {
+    if(buf->tail == buf->head)
+        return RING_BUFFER_LENGTH - 1;
+
+    if(buf->head > buf->tail)
+        return RING_BUFFER_LENGTH - ((buf->head - buf->tail) + 1);
+    else
+        return  (buf->tail - buf->head) - 1;
+}
+
+uint16_t RingBuffer_GetDataLength(RingBuffer *buf) {
+    return RING_BUFFER_LENGTH - (RingBuffer_GetFreeSpace(buf) + 1);
+}
+
+void RingBuffer_Init(RingBuffer *buf) {
+    buf->head = buf->tail = 0;
+    memset(buf->buf, 0, RING_BUFFER_LENGTH);
+}
+
+uint16_t RingBuffer_Read(RingBuffer *buf, uint8_t *data, uint16_t len) {
+    uint16_t counter = 0;
+
+    while(buf->tail != buf->head && counter < len) {
+        data[counter++] = buf->buf[buf->tail];
+        buf->tail = (buf->tail + 1) % RING_BUFFER_LENGTH;
+    }
+    return counter;
+}
+
+uint8_t RingBuffer_Write(RingBuffer *buf, uint8_t *data, uint16_t len) {
+    uint16_t counter = 0;
+    uint16_t freeSpace = RingBuffer_GetFreeSpace(buf);
+
+    if(freeSpace == 0)
+        return RING_BUFFER_FULL;
+    else if (freeSpace < len)
+        return RING_BUFFER_NO_SUFFICIENT_SPACE;
+
+    while(counter < len) {
+        buf->buf[buf->head] = data[counter++];
+        buf->head = (buf->head + 1) % RING_BUFFER_LENGTH;
+    }
+    return RING_BUFFER_OK;
+}

Core/External/Tools/RingBuffer/ring_buffer.h

@@ -0,0 +1,30 @@
+#ifndef LIGHT_DETECTOR_RING_BUFFER_H
+#define LIGHT_DETECTOR_RING_BUFFER_H
+
+#include <stdint.h>
+
+#define RING_BUFFER_LENGTH 1000
+
+typedef struct {
+    uint8_t buf[RING_BUFFER_LENGTH];
+#if RING_BUFFER_LENGTH < 255
+    uint8_t head, tail;
+#else
+    uint16_t head, tail;
+#endif
+} RingBuffer;
+
+typedef enum {
+    RING_BUFFER_OK = 0x0,
+    RING_BUFFER_FULL,
+    RING_BUFFER_NO_SUFFICIENT_SPACE
+} RingBuffer_Status;
+
+uint16_t RingBuffer_GetDataLength(RingBuffer *buf);
+uint16_t RingBuffer_GetFreeSpace(RingBuffer *buf);
+void RingBuffer_Init(RingBuffer *buf);
+uint16_t RingBuffer_Read(RingBuffer *buf, uint8_t *data, uint16_t len);
+uint8_t RingBuffer_Write(RingBuffer *buf, uint8_t *data, uint16_t len);
+
+
+#endif //LIGHT_DETECTOR_RING_BUFFER_H

Core/Src/main.cpp

@@ -50,11 +50,15 @@ void SystemClock_Config(void);
  * @param htim - incoming timer tick data.
  */
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) {
+    HAL_TIM_Base_Stop_IT(&htim16);
+
     if (htim == &htim16) {
         Scheduler::handle_tick();
     } else {
         __NOP();
     }
+
+    HAL_TIM_Base_Start_IT(&htim16);
 }
 
 /**
@@ -105,8 +109,6 @@ int main(void) {
     MX_TIM16_Init();
     /* USER CODE BEGIN 2 */
 
-    HAL_TIM_Base_Start_IT(&htim16);
-
     /* USER CODE END 2 */
 
     /* Infinite loop */
@@ -117,6 +119,8 @@ int main(void) {
                 TSL2591X::init();
 
                 Indicator::toggle_initialization_success();
+
+                HAL_TIM_Base_Start_IT(&htim16);
             } else {
                 Indicator::toggle_initialization_failure();
             }