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FIX: 'lua calc of iso15692 crc' - works better now

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iceman1001 2018-11-30 01:19:57 +01:00
parent bd7ac487cd
commit ccb0cd23f5
1 changed files with 13 additions and 4 deletions
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17
client/scripting.c
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@ -280,10 +280,19 @@ static int l_CmdConsole(lua_State *L) {
}
static int l_iso15693_crc(lua_State *L) {
size_t size;
const char *v = luaL_checklstring(L, 1, &size);
// iceman, should be size / 2 ?!?
lua_pushunsigned(L, crc( CRC_15693, (uint8_t *) v, size));
uint32_t tmp;
unsigned char buf[USB_CMD_DATA_SIZE] = {0x00};
size_t size = 0;
const char *data = luaL_checklstring(L, 1, &size);
for (int i = 0; i < size; i += 2) {
sscanf(&data[i], "%02x", &tmp);
buf[i / 2] = tmp & 0xFF;
}
size /= 2;
compute_crc(CRC_15693, buf, size, &buf[size], &buf[size+1]);
lua_pushlstring(L, (const char *)&buf, size+2);
return 1;
}