task-0*: various updates

Fix dead link, broken references and replace
shell_commands structure with SHELL_COMMAND macro.

Author: crasbe

task-01/README.md

@@ -93,6 +93,9 @@
     This command will compile the application, burn the image onto the board and open a
     connection to the RIOT shell.
 
-3.  Verify the output of `RIOT_BOARD` matches your hardware.
+3.  Verify the compiler output of matches your hardware, for example:
+    ```
+    Building application "Task01" for "samr21-xpro" with CPU "samd21".
+    ```
 
 [next task](../task-02)

task-02/README.md

@@ -13,17 +13,15 @@ this shell command plus one for the name of the command.
 Your function must return `0` if it runs successfully and or anything else if
 an error occurs.
 
-Shell commands need to be added manually to the shell on initialization
+Shell commands need to be added manually to the shell on initialization,
+usually this is done with the macro command `SHELL_COMMAND()`.
 ```c
 #include "shell.h"
 
-static const shell_command_t shell_commands[] = {
-    { "command name", "command description", cmd_handler },
-    { NULL, NULL, NULL }
-};
+SHELL_COMMAND("command name", "command description", cmd_handler);
 
 /* ... */
-    shell_run(commands, line_buf, SHELL_DEFAULT_BUFSIZE)
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE)
 /* ... */
 ```
 

task-02/main.c

@@ -12,16 +12,12 @@ int echo(int argc, char **argv)
     return 0;
 }
 
-static const shell_command_t commands[] = {
-    { NULL, NULL, NULL }
-};
-
 int main(void)
 {
     puts("This is Task-02");
 
     char line_buf[SHELL_DEFAULT_BUFSIZE];
-    shell_run(commands, line_buf, SHELL_DEFAULT_BUFSIZE);
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
 
     return 0;
 }

task-05/README.md

@@ -13,7 +13,7 @@ options or states.
 Note inclusion of `netdev` modules in the [Makefile](Makefile)
 
 ```Makefile
-USEMODULE += gnrc_netdev_default
+USEMODULE += netdev_default
 USEMODULE += auto_init_gnrc_netif
 ```
 

task-06/main.c

@@ -10,19 +10,16 @@ static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
 extern int udp_send(int argc, char **argv);
 extern int udp_server(int argc, char **argv);
 
-static const shell_command_t shell_commands[] = {
-    { "udp", "send udp packets", udp_send },
-    { "udps", "start udp server", udp_server },
-    { NULL, NULL, NULL }
-};
+SHELL_COMMAND("udp", "send udp packets", udp_send);
+SHELL_COMMAND("udps", "start udp server", udp_server);
 
 int main(void)
 {
     msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE);
     puts("This is Task-06");
 
     char line_buf[SHELL_DEFAULT_BUFSIZE];
-    shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
 
     return 0;
 }

task-08/README.md

@@ -47,9 +47,9 @@ RIOT provides three shell to interact with the CCN-Lite stack:
 
 ## Task 8.2: Modify the default shell commands (advanced task)
 
-* Take a look at the default shell commands in `sys/shell/commands/sc_ccnl.c`
+* Take a look at the default shell commands in `sys/shell/cmds/ccn-lite-utils.c`
 * Create a new command to send an interest with a shorter timeout
-(see [https://doc.riot-os.org/group__pkg__ccnlite.html](https://doc.riot-os.org/group__pkg__ccnlite.html)
+(see https://github.com/cn-uofbasel/ccn-lite/tree/master/doc )
 * Use `ccnl_set_local_producer()` to create content on the fly
 
 [next task](../task-09)

task-09/main.c

@@ -36,10 +36,7 @@ static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
 
 extern int udp_cmd(int argc, char **argv);
 
-static const shell_command_t shell_commands[] = {
-    { "udp", "send data over UDP and listen on UDP ports", udp_cmd },
-    { NULL, NULL, NULL }
-};
+SHELL_COMMAND("udp", "send data over UDP and listen on UDP ports", udp_cmd);
 
 #ifdef MODULE_GNRC_SIXLOWPAN
 static char _stack[THREAD_STACKSIZE_MAIN];
@@ -110,7 +107,7 @@ int main(void)
     /* start shell */
     puts("All up, running the shell now");
     char line_buf[SHELL_DEFAULT_BUFSIZE];
-    shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
 
     /* should be never reached */
     return 0;