working on separating data by laps

src/lapinfo.c

@@ -0,0 +1,38 @@
+#include <stdint.h>
+#include <stdlib.h>
+
+typedef enum {
+    BOOL,
+    INT,
+    FLOAT,
+    DOUBLE,
+} TelemetryDataType;
+
+typedef struct {
+    TelemetryDataType type;
+    int8_t frequency;
+    void *data;
+} TelemetryInfo;
+
+typedef struct {
+    int lap_number;
+    double start_time;
+    TelemetryInfo throttle_pos;
+    TelemetryInfo brake_pos;
+    TelemetryInfo steering_pos;
+    TelemetryInfo speed;
+} LapInfo;
+
+void free_telemetry_info(TelemetryInfo *t) {
+    free(t->data);
+    // free(t);
+}
+
+// Dont use for now
+void destroyLapinfo(LapInfo *info) {
+    free_telemetry_info(&info->throttle_pos);
+    free_telemetry_info(&info->brake_pos);
+    free_telemetry_info(&info->steering_pos);
+    free_telemetry_info(&info->speed);
+    free(info);
+}

src/main.c

@@ -1,4 +1,5 @@
 #include <duckdb.h>
+#include <math.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -89,8 +90,7 @@ int main(int argc, char **argv) {
                                     "Wind Speed",
                                     "Yaw Rate"};
 
-    const int channel_table_count =
-        sizeof(channel_tables) / sizeof(channel_tables[0]);
+    const int channel_table_count = sizeof(channel_tables) / sizeof(channel_tables[0]);
 
     const char *event_tables[] = {"ABS",
                                   "ABSLevel",
@@ -135,46 +135,51 @@ int main(int argc, char **argv) {
                                   "WheelsDetached",
                                   "Yellow Flag State"};
 
-    const int event_table_count =
-        sizeof(event_tables) / sizeof(event_tables[0]);
+    const int event_table_count = sizeof(event_tables) / sizeof(event_tables[0]);
 
     // Test query
     duckdb_result result;
-    duckdb_query(conn, "SELECT * from \"Ambient Temperature\";\n", &result);
     int32_t iterations = 0;
     int32_t number_of_data_points = 0;
 
-    while (true) {
-        iterations++;
+    for (int i = 0; i < 1 /*channel_table_count*/; i++) {
+        char queryBuffer[256]; // buffer to hold the formatted query
 
-        duckdb_data_chunk data_chunk = duckdb_fetch_chunk(result);
+        // snprintf(queryBuffer, sizeof(queryBuffer), "SELECT * FROM \"%s\"\n", channel_tables[i]);
 
-        if (!data_chunk) {
-            break;
-        }
+        // duckdb_query(conn, queryBuffer, &result);
+        duckdb_query(conn, "SELECT CAST(value AS FLOAT) from \"Lap Time\"\n", &result);
 
-        idx_t row_count = duckdb_data_chunk_get_size(
-            data_chunk); // number of rows from the data chunk
-        number_of_data_points += row_count;
+        while (true) {
+            iterations++;
 
-        // first column
-        duckdb_vector col1 = duckdb_data_chunk_get_vector(data_chunk, 0);
-        float *col1_data = (float *)duckdb_vector_get_data(col1);
-        uint64_t *col1_validity = duckdb_vector_get_validity(col1);
+            duckdb_data_chunk data_chunk = duckdb_fetch_chunk(result);
 
-        for (idx_t row = 0; row < row_count; row++) {
-            if (duckdb_validity_row_is_valid(col1_validity, row)) {
-                printf("%f, ", col1_data[row]);
-            } else {
-                printf("NULL");
+            if (!data_chunk) {
+                break;
             }
-        }
+            idx_t row_count = duckdb_data_chunk_get_size(data_chunk); // number of rows from the data chunk
+            number_of_data_points += row_count;
 
-        duckdb_destroy_data_chunk(&data_chunk);
+            // set column
+            duckdb_vector col1 = duckdb_data_chunk_get_vector(data_chunk, 0);
+            float_t *col1_data = (float_t *)duckdb_vector_get_data(col1);
+            uint64_t *col1_validity = duckdb_vector_get_validity(col1);
+
+            for (idx_t row = 0; row < row_count; row++) {
+                if (duckdb_validity_row_is_valid(col1_validity, row)) {
+                    printf("%f, ", col1_data[row]);
+                } else {
+                    printf("NULL");
+                }
+            }
+
+            duckdb_destroy_data_chunk(&data_chunk);
+        }
+        duckdb_destroy_result(&result);
     }
 
-    printf("\nNumber of iterations: %d, number of data points: %d\n",
-           iterations, number_of_data_points);
+    printf("\nNumber of iterations: %d, number of data points: %d\n", iterations, number_of_data_points);
 
     printf("Shutting down HardCompound!\n");