feat(log): Refactoring buffer log APIs

2024-03-11 15:44:33 +02:00
parent 7a70647a01
commit 0f4fc2bf55
11 changed files with 396 additions and 146 deletions
@@ -0,0 +1,58 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stdint.h>
+
+int esp_log_util_cvt(unsigned long long val, char *buf, long radix, int pad, const char *digits)
+{
+#ifdef SUPPORT_LITTLE_RADIX
+    char temp[64];
+#else
+    char temp[32];
+#endif
+    char *buf_or = buf;
+    char *cp = temp;
+    int length = 0;
+
+    if (val == 0) {
+        /* Special case */
+        *cp++ = '0';
+    } else {
+        while (val) {
+            *cp++ = digits[val % radix];
+            val /= radix;
+        }
+    }
+    while (cp != temp) {
+        *buf++ = *--cp;
+        length++;
+    }
+    *buf = '\0';
+    if (length < pad) {
+        pad = pad - length;
+        int i = 0;
+        while (pad-- > 0) {
+            temp[i] = buf_or[i];
+            buf_or[i] = '0';
+            i++;
+            length++;
+        }
+        for (int k = 0; k < i; k++) {
+            buf_or[i + k] = temp[k];
+        }
+    }
+    return (length);
+}
+
+int esp_log_util_cvt_hex(unsigned long long val, int pad, char *buf)
+{
+    return esp_log_util_cvt(val, buf, 16, pad, "0123456789abcdef");
+}
+
+int esp_log_util_cvt_dec(unsigned long long val, int pad, char *buf)
+{
+    return esp_log_util_cvt(val, buf, 10, pad, "0123456789");
+}