// Module for RTC user memory access #include "module.h" #include "lauxlib.h" #include "rtc/rtcaccess.h" static int rtcmem_read32 (lua_State *L) { int idx = luaL_checkinteger (L, 1); int n = (lua_gettop(L) < 2) ? 1 : lua_tointeger (L, 2); if (n == 0 || !lua_checkstack (L, n)) { return 0; } int ret = 0; while (n > 0 && idx >= 0 && idx < RTC_USER_MEM_NUM_DWORDS) { lua_pushinteger (L, rtc_mem_read (idx++)); --n; ++ret; } return ret; } static int rtcmem_write32 (lua_State *L) { int idx = luaL_checkinteger (L, 1); int n = lua_gettop (L) - 1; luaL_argcheck ( L, idx + n <= RTC_USER_MEM_NUM_DWORDS, 1, "RTC mem would overrun"); int src = 2; while (n-- > 0) { rtc_mem_write (idx++, (uint32_t) lua_tointeger (L, src++)); } return 0; } // Module function map LROT_BEGIN(rtcmem, NULL, 0) LROT_FUNCENTRY( read32, rtcmem_read32 ) LROT_FUNCENTRY( write32, rtcmem_write32 ) LROT_END(rtcmem, NULL, 0) NODEMCU_MODULE(RTCMEM, "rtcmem", rtcmem, NULL);