Differences

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--- digic:processors:lime [2021/03/07 03:23] – names_are_hard
+++ digic:processors:lime [2021/03/16 12:01] (current) – coon
@@ Line 4: / Line 4: @@
 All the investigations below were done under 200D (SL2) at version 1.0.1.
+[[https://en.wikipedia.org/wiki/ESP32|ESP32]]
 ==== LIME Shell ====
 The networking processor was found to have a DryOS implementation with an interactive shell which can be accessed from the ICU through UART.
@@ Line 92: / Line 93: @@
 Here are the common networking stubs found:
-^     Networking stubs for 200D 1.0.1   ^^^
+^     Networking stubs for 200D 1.0.1   ^^^^
-^Address ^Name ^Info^
+^Address ^Name ^Signatures ^Info^
-|0xe0110cc4|socket_convertfd|(found from xrefs of FUN_E07146B8)|
+|0xe0110cc4|socket_convertfd|int socket_convertfd(int sockfd) |(found from xrefs of FUN_E07146B8)|
-|0xe071d880|socket_create|translation from ICU to lime is needed with resolvesock|
+|0xe071d880|socket_create|int socket_create(int domain, int type, int protocol); |translation from ICU to lime is needed with socket_convertfd|
-|0xe071d8b8|socket_bind|found from index, CommonSyncWrite|
+|0xe071d8b8|socket_bind|int socket_bind(int sockfd, void *addr, int addrlen) |found from index, CommonSyncWrite|
-|0xe071d8f2|socket_connect|found from index, CommonSyncWrite|
+|0xe071d8f2|socket_connect|int socket_connect(int sockfd, void *addr, int addrlen) |found from index, CommonSyncWrite|
-|0xe071d92c|socket_listen|found from index, CommonSyncWrite|
+|0xe071d92c|socket_listen|int socket_listen(int sockfd, int backlogl) |found from index, CommonSyncWrite|
-|0xe071d960|socket_accept|found from rpc_accept|
+|0xe071d960|socket_accept|int socket_accept(int sockfd, void *addr, int addrlen) |found from rpc_accept|
-|0xe071d99a|socket_recv|found from 'rpc_recv'|
+|0xe071d99a|socket_recv|int socket_recv(int sockfd, void *buf, int len, int flags) |found from 'rpc_recv'|
-|0xe071d9d8|socket_recvfrom|found from 'rpc_recvfrom'|
+|0xe071da20|socket_send|socket_send(int sockfd, void *buf, int len, int flags) |found from index, CommonSyncWrite|
-|0xe071da20|socket_send|found from index, CommonSyncWrite|
+|0xe071da80|socket_setsockopt|socket_setsockopt(int socket, int level, int option_name, const void *option_value, int option_len) |found from 'rpc_setsockopt'|
-|0xe071da3a|socket_sendto|found from index, CommonSyncWrite|
+|0xe071db7a|socket_shutdown|socket_shutdown(int sockfd, int flag) |found from index, CommonSyncWrite|
-|0xe071da80|socket_setsockopt|found from 'rpc_setsockopt'|
+|0xe0714a20|socket_close|socket_close(int sockfd) |found from index, CommonSyncWrite. needs converted fd|
-|0xe071dac4|socket_getsockopt|found from 'rpc_getsockopt'|
+|0xe010608e|socket_select_caller| socket_select_caller(int convertedsock, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)|found from 'rpc_select' ****|
-|0xe071db7a|socket_shutdown|found from index, CommonSyncWrite|
-|0xe010608e|socket_select_caller|found from 'rpc_select' ****|
 ''socket_select_caller'' is not the actual socket_select function since this function needs the descriptors to be converted by the ''socket_convertfd'' function and the ''fd_set'' used must also be converted by ''socket_convertfd''.
@@ Line 147: / Line 146: @@
 </code>
 ==== Misc ====
+^   Socket  ^^^
+^Option^Value^Info^
+|AF_INET    |0x1|Internet IP Protocol|
+|SOCK_STREAM|0x1|TCP Protocol        |
 ^   Socket Options   ^^^
 ^Option^Value^Info^
 |SOL_SOCKET|0xffff|options at the socket level|
 |SO_REUSEADDR| 0x2|allow reuse of local addresses|
+''socket_bind'' and ''socket_connect'' takes in three parameters. The array which is passed in should look like this:
+<code>
+char sockaddr[8];
+// 1 = IPv4, 2 = IPv6, 3 = Ethernet
+sockaddr[0] = 0x00;
+sockaddr[1] = 0x01;
+// port 25565
+sockaddr[2] = 0x63; // low byte
+sockaddr[3] = 0xdd; // high byte
+// ip address: 192.168.10.22
+sockaddr[4] = 192;
+sockaddr[5] = 168;
+sockaddr[6] = 10;
+sockaddr[7] = 22;
+</code>
+<code>
+socket_bind(sock,sockaddr, 0x8)
+socket_connect(sock,sockaddr, 0x8)
+</code>