IWDG заведен

CMakeLists.txt

@@ -15,8 +15,8 @@ set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 
 # project settings
 project(f411-pulse-recorder C CXX ASM)
-set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_C_STANDARD 17)
 
 #Uncomment for hardware floating point
 #add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)

CMakeLists_template.txt

@@ -14,8 +14,8 @@ set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
 
 # project settings
 project(${projectName} C CXX ASM)
-set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_C_STANDARD 17)
 
 #Uncomment for hardware floating point
 #add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)

Core/Inc/recorder_buffer.h

@@ -0,0 +1,39 @@
+#ifndef RECORDER_BUFFER_H
+#define RECORDER_BUFFER_H
+
+#ifdef __cplusplus
+#include <cstdint>
+extern "C" {
+#else
+#include <stdint.h>
+#endif
+
+// размер буфера, должен быть 2^x
+#define CHANNEL_BUFFER_SIZE 1024
+#define CHANNEL_BUFFER_SIZE_MASK (CHANNEL_BUFFER_SIZE - 1)
+
+typedef struct {
+    uint64_t timepoint;
+    uint32_t duration;
+} BufferItem;
+
+// Структура кольцевого буфера
+typedef struct {
+    volatile uint32_t head;
+    volatile uint32_t tail;
+    volatile uint32_t overruns;
+    BufferItem buffer[CHANNEL_BUFFER_SIZE];
+} ChannelBuffer_t;
+
+void ChannelBuffer_reset(ChannelBuffer_t *buffer);
+void ChannelBuffer_push(ChannelBuffer_t *buffer, BufferItem item);
+int ChannelBuffer_pop(ChannelBuffer_t *buffer, BufferItem* dest);
+
+extern ChannelBuffer_t buffer_ch1;
+extern ChannelBuffer_t buffer_ch2;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //RECORDER_BUFFER_H

Core/Src/main.c

@@ -22,7 +22,9 @@
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
-
+#include "recorder_buffer.h"
+#include "usbd_cdc.h"
+#include "usbd_cdc_if.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -105,7 +107,27 @@ int main(void)
   MX_TIM11_Init();
   MX_IWDG_Init();
   /* USER CODE BEGIN 2 */
+  char isIwdgReset = 0;
+  if (RCC->CSR & RCC_CSR_IWDGRSTF) {
+    SET_BIT(RCC->CSR, RCC_CSR_RMVF);
+    isIwdgReset = 1;
+  }
+  HAL_IWDG_Refresh(&hiwdg);
 
+  ChannelBuffer_reset(&buffer_ch1);
+  ChannelBuffer_reset(&buffer_ch2);
+
+  {
+    HAL_Delay(1000);
+    if (isIwdgReset) {
+      char msg[] = "RESET_IWDG\r\nINIT_COMPLETE\r\n";
+      CDC_Transmit_FS(msg, 27);
+    } else {
+      char msg[] = "INIT_COMPLETE\r\n";
+      CDC_Transmit_FS(msg, 15);
+    }
+  }
+  HAL_IWDG_Refresh(&hiwdg);
   /* USER CODE END 2 */
 
   /* Infinite loop */

Core/Src/recorder_buffer.cpp

@@ -0,0 +1,34 @@
+#include "recorder_buffer.h"
+
+ChannelBuffer_t buffer_ch1;
+ChannelBuffer_t buffer_ch2;
+
+// Функция инициализации буфера
+void ChannelBuffer_reset(ChannelBuffer_t *buffer) {
+    buffer->head = 0;
+    buffer->tail = 0;
+    buffer->overruns = 0;
+}
+
+// Функция добавления элемента в буфер
+void ChannelBuffer_push(ChannelBuffer_t *buffer, BufferItem item) {
+    // Проверка на переполнение буфера
+    if (((buffer->tail + 1) & CHANNEL_BUFFER_SIZE_MASK) == buffer->head) {
+        buffer->overruns = buffer->overruns + 1;
+    }
+
+    buffer->buffer[buffer->tail] = item;
+    buffer->tail = (buffer->tail + 1) & CHANNEL_BUFFER_SIZE_MASK;
+}
+
+// Функция извлечения элемента из буфера
+int ChannelBuffer_pop(ChannelBuffer_t *buffer, BufferItem* dest) {
+    const uint32_t h = buffer->head;
+    if (h == buffer->tail) {
+        return 0;
+    }
+
+    *dest = buffer->buffer[h];
+    buffer->head = (h + 1) & CHANNEL_BUFFER_SIZE_MASK;
+    return 1;
+}