Update hex.c

source/Core/BSP/Pinecilv2/bl_mcu_sdk/components/ble/ble_stack/common/hex.c

@@ -9,83 +9,3 @@
 #include <errno.h>
 // #include <sys/util.h>
 
-int char2hex(char c, u8_t *x)
-{
-    if (c >= '0' && c <= '9') {
-        *x = c - '0';
-    } else if (c >= 'a' && c <= 'f') {
-        *x = c - 'a' + 10;
-    } else if (c >= 'A' && c <= 'F') {
-        *x = c - 'A' + 10;
-    } else {
-        return -EINVAL;
-    }
-
-    return 0;
-}
-
-int hex2char(u8_t x, char *c)
-{
-    if (x <= 9) {
-        *c = x + '0';
-    } else if (x >= 10 && x <= 15) {
-        *c = x - 10 + 'a';
-    } else {
-        return -EINVAL;
-    }
-
-    return 0;
-}
-
-size_t bin2hex(const u8_t *buf, size_t buflen, char *hex, size_t hexlen)
-{
-    if ((hexlen + 1) < buflen * 2) {
-        return 0;
-    }
-
-    for (size_t i = 0; i < buflen; i++) {
-        if (hex2char(buf[i] >> 4, &hex[2 * i]) < 0) {
-            return 0;
-        }
-        if (hex2char(buf[i] & 0xf, &hex[2 * i + 1]) < 0) {
-            return 0;
-        }
-    }
-
-    hex[2 * buflen] = '\0';
-    return 2 * buflen;
-}
-
-size_t hex2bin(const char *hex, size_t hexlen, u8_t *buf, size_t buflen)
-{
-    u8_t dec;
-
-    if (buflen < hexlen / 2 + hexlen % 2) {
-        return 0;
-    }
-
-    /* if hexlen is uneven, insert leading zero nibble */
-    if (hexlen % 2) {
-        if (char2hex(hex[0], &dec) < 0) {
-            return 0;
-        }
-        buf[0] = dec;
-        hex++;
-        buf++;
-    }
-
-    /* regular hex conversion */
-    for (size_t i = 0; i < hexlen / 2; i++) {
-        if (char2hex(hex[2 * i], &dec) < 0) {
-            return 0;
-        }
-        buf[i] = dec << 4;
-
-        if (char2hex(hex[2 * i + 1], &dec) < 0) {
-            return 0;
-        }
-        buf[i] += dec;
-    }
-
-    return hexlen / 2 + hexlen % 2;
-}