#include #include #include #include #include static char namebuf[255]; const char *get_value_string(const struct value_string *vs, uint32_t val) { int i; for (i = 0;; i++) { if (vs[i].value == 0 && vs[i].str == NULL) break; if (vs[i].value == val) return vs[i].str; } snprintf(namebuf, sizeof(namebuf), "unknown 0x%x", val); return namebuf; } int get_string_value(const struct value_string *vs, const char *str) { int i; for (i = 0;; i++) { if (vs[i].value == 0 && vs[i].str == NULL) break; if (!strcasecmp(vs[i].str, str)) return vs[i].value; } return -EINVAL; } char bcd2char(uint8_t bcd) { if (bcd < 0xa) return '0' + bcd; else return 'A' + (bcd - 0xa); } /* only works for numbers in ascci */ uint8_t char2bcd(char c) { return c - 0x30; } int hexparse(const char *str, uint8_t *b, int max_len) { int i, l, v; l = strlen(str); if ((l&1) || ((l>>1) > max_len)) return -1; memset(b, 0x00, max_len); for (i=0; i= '0' && c <= '9') v = c - '0'; else if (c >= 'a' && c <= 'f') v = 10 + (c - 'a'); else if (c >= 'A' && c <= 'F') v = 10 + (c - 'A'); else return -1; b[i>>1] |= v << (i&1 ? 0 : 4); } return i>>1; }