micropython: add micropython component

components/language/micropython/extmod/lwip-include/lwipopts.h

@@ -0,0 +1,35 @@
+#ifndef MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H
+#define MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H
+
+#include <py/mpconfig.h>
+#include <py/misc.h>
+#include <py/mphal.h>
+
+// We're running without an OS for this port. We don't provide any services except light protection.
+#define NO_SYS 1
+
+#define SYS_LIGHTWEIGHT_PROT 1
+#include <stdint.h>
+typedef uint32_t sys_prot_t;
+
+#define TCP_LISTEN_BACKLOG 1
+
+// We'll put these into a proper ifdef once somebody implements an ethernet driver
+#define LWIP_ARP 0
+#define LWIP_ETHERNET 0
+
+#define LWIP_DNS 1
+
+#define LWIP_NETCONN 0
+#define LWIP_SOCKET 0
+
+#ifdef MICROPY_PY_LWIP_SLIP
+#define LWIP_HAVE_SLIPIF 1
+#endif
+
+// For now, we can simply define this as a macro for the timer code. But this function isn't
+// universal and other ports will need to do something else. It may be necessary to move
+// things like this into a port-provided header file.
+#define sys_now mp_hal_ticks_ms
+
+#endif // MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H