updated WiFiManager

lib/IRext/ir_utils.c

@@ -0,0 +1,98 @@
+/**************************************************************************************
+Filename:       ir_utils.c
+Revised:        Date: 2016-10-26
+Revision:       Revision: 1.0
+
+Description:    This file provides generic utils for IRDA algorithms
+
+Revision log:
+* 2016-10-01: created by strawmanbobi
+**************************************************************************************/
+
+#include "include/ir_utils.h"
+
+UINT8 char_to_hex(char chr)
+{
+    UINT8 value = 0;
+    if (chr >= '0' && chr <= '9')
+        value = (UINT8) (chr - '0');
+    if (chr >= 'a' && chr <= 'f')
+        value = (UINT8) (chr - 'a' + 10);
+    if (chr >= 'A' && chr <= 'F')
+        value = (UINT8) (chr - 'A' + 10);
+    return value;
+}
+
+UINT8 chars_to_hex(const UINT8 *p)
+{
+    return ((UINT8) char_to_hex(*p) << (UINT8) 4) + char_to_hex(*(p + 1));
+}
+
+void string_to_hex_common(UINT8 *p, UINT8 *hex_data, UINT16 len)
+{
+    // in condition of hex_code is already assigned
+    UINT16 i = 0;
+
+    for (i = 0; i < len; i++)
+    {
+        hex_data[i] = chars_to_hex(p);
+        p = p + 2;
+    }
+}
+
+void string_to_hex(UINT8 *p, t_ac_hex *pac_hex)
+{
+    UINT8 i = 0;
+
+    pac_hex->len = chars_to_hex(p);
+    p = p + 2;
+    for (i = 0; i < pac_hex->len; i++)
+    {
+        pac_hex->data[i] = chars_to_hex(p);
+        p = p + 2;
+    }
+}
+
+char hex_half_byte_to_single_char(UINT8 length, UINT8 half_byte)
+{
+    if (1 != length || half_byte >= 16)
+    {
+        return '0';
+    }
+    if (half_byte >= 10 && half_byte < 16)
+    {
+        return (char) (half_byte - 10 + 0x41);
+    }
+    else
+    {
+        return (char) (half_byte + 0x30);
+    }
+}
+
+void hex_byte_to_double_char(char *dest, UINT8 length, UINT8 src)
+{
+    UINT8 hi_num = 0;
+    UINT8 lo_num = 0;
+    if (NULL == dest || 2 != length)
+    {
+        return;
+    }
+    hi_num = (UINT8) ((UINT8) (src >> (UINT8) 4) & (UINT8) 0x0F);
+    lo_num = (UINT8) (src & (UINT8) 0x0F);
+
+    dest[0] = hex_half_byte_to_single_char(1, hi_num);
+    dest[1] = hex_half_byte_to_single_char(1, lo_num);
+}
+
+BOOL is_in(const UINT8 *array, UINT8 value, UINT8 len)
+{
+    UINT16 i = 0;
+    for (i = 0; i < len; i++)
+    {
+        if (array[i] == value)
+        {
+            return TRUE;
+        }
+    }
+    return FALSE;
+}