[feat] add tools of receive debug signals as vofa in windows

tools/vofa.c

@@ -0,0 +1,128 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <windows.h>
+
+#define SAMPLE_RATE  (1024)
+#define CHANNEL_MAX  (3 + 1)
+#define PERIOD_CNT   (100)
+#define BUFFER_SIZE  (CHANNEL_MAX * sizeof(float) * SAMPLE_RATE * PERIOD_CNT)
+uint8_t buffer[BUFFER_SIZE];
+
+int main(void) {
+    DWORD actual_len;
+    int total_len;
+    time_t time_pre, time_now;
+    int line;
+    char str[100];
+
+    HANDLE hComm = CreateFile(
+        "\\\\.\\COM12", /* serial port name */
+        GENERIC_READ,   /* only read privilege */ 
+        0,              /* share mode */
+        NULL,           /* secure attribute */
+        OPEN_EXISTING,  /* open current device */
+        0,              /* file attribute */
+        NULL            /* template file */
+    );
+    if (hComm == INVALID_HANDLE_VALUE) {
+        /* open serial port failed */
+        printf("Error: open serial port failed\r\n");
+        return -1;
+    } else {
+        DCB dcb = { 0 };
+        dcb.DCBlength = sizeof(dcb);
+        if (GetCommState(hComm, &dcb)) {
+            dcb.BaudRate = 2 * 1000 * 1000;
+            dcb.ByteSize = 8;
+            dcb.Parity = NOPARITY;
+            dcb.StopBits = ONESTOPBIT;
+            if (!SetCommState(hComm, &dcb)) {
+                printf("Error: Set serial port parameter failed\r\n");
+                return -1;
+            }
+        } else {
+            printf("Error: Get serial port parameter failed\r\n");
+            return -1;
+        }
+        COMMTIMEOUTS timeouts = { 0 };
+        timeouts.ReadIntervalTimeout = 10;
+        timeouts.ReadTotalTimeoutConstant = 10;
+        timeouts.ReadTotalTimeoutMultiplier = 10;
+        SetCommTimeouts(hComm, &timeouts);
+        printf("Succeed: open serial port\r\n");
+    }
+
+    /* sample data */
+    PurgeComm(hComm, PURGE_RXCLEAR);
+    actual_len = 0;
+    total_len = 0;
+    time_pre = time(NULL);
+    while (1) {
+        ReadFile(hComm, buffer + total_len, sizeof(buffer) - total_len, &actual_len, NULL);
+        total_len += actual_len;
+        if (total_len >= sizeof(buffer)) {
+            break;
+        }
+        time_now = time(NULL);
+        if (difftime(time_now, time_pre) >= 1) {
+            time_pre = time_now;
+            printf("Received %d bytes, %d%%\r\n", total_len, (int)(total_len * 100.0f / BUFFER_SIZE));
+        }
+    }
+    printf("Total Received %d bytes\r\n", total_len);
+
+    /* create and open file */
+    HANDLE hFile;
+    DWORD bytsWritten;
+    hFile = CreateFile(
+        "vofa.xls",
+        GENERIC_WRITE,
+        0,
+        NULL,
+        CREATE_ALWAYS,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL
+    );
+    if (hFile == INVALID_HANDLE_VALUE) {
+        printf("Error: create file failed, %d\r\n", GetLastError());
+        return 1;
+    }
+
+    /* parse data and write file */
+    time_pre = time(NULL);
+    WriteFile(hFile, "idx\tref\tsig\tcnt\n", 16, &bytsWritten, NULL);
+    line = 0;
+    for (int i = 0; i < sizeof(buffer) - 4; i++) {
+        if (buffer[i] == 0 && buffer[i+1] == 0 && buffer[i+2] == 0x80 && buffer[i+3] == 0x7F) {
+            if (i > CHANNEL_MAX * sizeof(float)) {
+                uint8_t *p = buffer + i;
+                char *pstr;
+                pstr = itoa(line, str, 10);
+                WriteFile(hFile, pstr, strlen(str), &bytsWritten, NULL);
+                WriteFile(hFile, "\t", 1, &bytsWritten, NULL);
+                for (int j = 0; j < CHANNEL_MAX - 1; j++) {
+                    float *val = (float *)p - (CHANNEL_MAX - 1 - j);
+                    sprintf(str, "%.*f\t", 0, *val);
+                    WriteFile(hFile, str, strlen(str), &bytsWritten, NULL);
+                }
+                WriteFile(hFile, "\n", 1, &bytsWritten, NULL);
+                line++;
+            }
+        } else {
+            continue;
+        }
+        time_now = time(NULL);
+        if (difftime(time_now, time_pre) >= 1) {
+            time_pre = time_now;
+            printf("Write %d lines, complete %d%%\r\n", line, (int)(line * 100.0f / SAMPLE_RATE / PERIOD_CNT));
+        }
+    }
+
+    CloseHandle(hFile);
+    CloseHandle(hComm);
+
+    return 0;
+}