feat(adc): implement comprehensive ADC data acquisition and processing system

Add complete data acquisition pipeline with LTC2508 ADC drivers, correction algorithms,
data storage, and system monitoring. Includes ARM DSP optimized matrix operations for
sensor calibration, SD card data logging with USB mass storage, and robust error handling
with validation throughout the processing chain.

- Add LTC2508 multi-channel SPI driver with DMA support and error recovery
- Implement correction module with ARM DSP matrix operations for sensor calibration
- Add data storage system with SD card logging and configurable file management
- Integrate system monitor for health tracking and error reporting
- Enhance data packet structure with CRC validation and timestamps
- Add USB mass storage interface for SD card access
- Implement comprehensive error handling and statistics collection

Core/Src/main.c

@@ -32,6 +32,9 @@
 #include "ltc2508_driver.h"
 #include "rs485_driver.h"
 #include "data_packet.h"
+#include "correction.h"
+#include "data_storage.h"
+#include "system_monitor.h"
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -52,8 +55,15 @@
 /* Private variables ---------------------------------------------------------*/
 
 /* USER CODE BEGIN PV */
-//CorrectionParams_t g_correction_params;
+// 校正参数
+CorrectionParams_t g_correction_params;
+// 数据包
 DataPacket_t g_data_packet;
+// 数据存储句柄
+DataStorageHandle_t g_data_storage;
+// 系统状态
+static uint32_t g_last_monitor_update = 0;
+static uint8_t g_recording_enabled = 0;
 /* USER CODE END PV */
 
 /* Private function prototypes -----------------------------------------------*/
@@ -107,14 +117,34 @@ int main(void)
   MX_USB_DEVICE_Init();
   MX_USART3_UART_Init();
   /* USER CODE BEGIN 2 */
-  LTC2508_Init(&hspi1, &hspi2, &hspi3);
+  // 初始化系统监控
+  SystemMonitor_Init();
+  SystemMonitor_SetState(SYSTEM_STATE_INIT);
+  
+  // 初始化LTC2508驱动
+  if (LTC2508_Init(&hspi1, &hspi2, &hspi3) != LTC2508_OK) {
+    SystemMonitor_ReportError(SYSTEM_ERROR_ADC);
+    Error_Handler();
+  }
+  
+  // 初始化RS485通信
   RS485_Init(&huart1, RS485_DE_RE_PORT, RS485_DE_RE_PIN);
-//  Init_CorrectionParams(&g_correction_params);
-
-//  HAL_HRTIM_SimplePWMStart(&hhrtim1, HRTIM_TIMERINDEX_TIMER_A, HRTIM_OUTPUT_TA1);
-
-          HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_SET);
-          HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_RESET);
+  
+  // 初始化校正参数
+  Init_CorrectionParams(&g_correction_params);
+  Load_CorrectionParams_FromFlash(&g_correction_params);
+  
+  // 初始化数据存储
+  if (DataStorage_Init(&g_data_storage) != HAL_OK) {
+    SystemMonitor_ReportError(SYSTEM_ERROR_STORAGE);
+  }
+  
+  // 系统初始化完成
+  SystemMonitor_SetState(SYSTEM_STATE_IDLE);
+  
+  // 触发信号引脚初始化
+  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_SET);
+  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_RESET);
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -124,38 +154,64 @@ int main(void)
     /* USER CODE END WHILE */
 
     /* USER CODE BEGIN 3 */
+    // 系统监控更新 (每100ms更新一次)
+    uint32_t current_tick = HAL_GetTick();
+    if (current_tick - g_last_monitor_update >= 100) {
+      SystemMonitor_Update();
+      g_last_monitor_update = current_tick;
+    }
+    
+    // 检查ADC数据是否准备就绪
     if (g_adc_data_ready_flag)
     {
-        g_adc_data_ready_flag = 0; // �����־
+        g_adc_data_ready_flag = 0; // 清除标志
+        SystemMonitor_SetState(SYSTEM_STATE_SAMPLING);
 
-        // 1. �ϲ����� (�����16λ��ǰ)
+        // 1. 合并数据 (高位16位在前)
         int32_t raw_adc[NUM_LTC2508];
         raw_adc[0] = (int32_t)(((uint32_t)g_adc_data[0][0] << 16) | g_adc_data[0][1]);
         raw_adc[1] = (int32_t)(((uint32_t)g_adc_data[1][0] << 16) | g_adc_data[1][1]);
         raw_adc[2] = (int32_t)(((uint32_t)g_adc_data[2][0] << 16) | g_adc_data[2][1]);
 
-#if 0
-        // 2. ��
-        float corrected_x, corrected_y, corrected_z;
-         Apply_Correction(raw_adc[0], raw_adc[1], raw_adc[2],
-                         &corrected_x, &corrected_y, &corrected_z,
-                         &g_correction_params);
+        // 2. 验证数据有效性
+        for (uint8_t i = 0; i < NUM_LTC2508; i++) {
+          if (LTC2508_ValidateData(i) != LTC2508_OK) {
+            SystemMonitor_ReportError(SYSTEM_ERROR_ADC);
+            continue; // 跳过无效数据
+          }
+        }
 
-        // 3. ��У����� float תΪ int32_t (������Ҫ��������)
-        int32_t final_adc1 = (int32_t)(corrected_x);
-        int32_t final_adc2 = (int32_t)(corrected_y);
-        int32_t final_adc3 = (int32_t)(corrected_z);
+        // 3. 应用校正算法
+        CorrectionResult_t correction_result;
+        if (Apply_Correction(raw_adc[0], raw_adc[1], raw_adc[2], 
+                           &correction_result, &g_correction_params) == HAL_OK) {
+          
+          // 4. 打包校正后的数据
+          PackData(&g_data_packet, (int32_t)correction_result.corrected_x, 
+                   (int32_t)correction_result.corrected_y, 
+                   (int32_t)correction_result.corrected_z);
+        } else {
+          // 校正失败，使用原始数据
+          PackData(&g_data_packet, raw_adc[0], raw_adc[1], raw_adc[2]);
+        }
 
-        // 4. ���
-        PackData(&g_data_packet, (uint32_t)final_adc1, (uint32_t)final_adc2, (uint32_t)final_adc3);
-#endif
+        // 5. 发送数据包
+        if (RS485_SendData((uint8_t*)&g_data_packet, sizeof(DataPacket_t)) != HAL_OK) {
+          SystemMonitor_ReportError(SYSTEM_ERROR_COMMUNICATION);
+        }
         
-        // 4. ���
-        PackData(&g_data_packet, raw_adc[0] , raw_adc[1] , raw_adc[2]);
-
-        // 5. ����
-        RS485_SendData((uint8_t*)&g_data_packet, sizeof(DataPacket_t));
+        // 6. 存储数据到SD卡 (如果启用记录)
+        if (g_recording_enabled) {
+          SystemMonitor_SetState(SYSTEM_STATE_RECORDING);
+          if (DataStorage_WriteData(&g_data_storage, &g_data_packet) != HAL_OK) {
+            SystemMonitor_ReportError(SYSTEM_ERROR_STORAGE);
+          }
+        }
+        
+        SystemMonitor_SetState(SYSTEM_STATE_IDLE);
     }
+    
+    // ADC采样由PA1外部中断触发，不在主循环中触发
   }
   /* USER CODE END 3 */
 }