rtc implementation

[cortex-from-scratch] / term.c

diff --git a/term.c b/term.c
index 51eb9cf..dba355b 100644 (file)
--- a/term.c
+++ b/term.c
@@ -15,14 +15,15 @@
 #define BUFSIZE 200
 #define MAXARGS 5
 #define WHITESPACE "\t\r\n "
-#define BUILTINCMDS 3
+#define BUILTINCMDS 4
 
 int help(int, char**);
 
 /* 
  * Built in commands
  *     info -- shows basic info of system
- *     reset -- software reset
+ *     uptime -- uptime; read from the RTC register
+ *     reset -- software reset TODO
  *     show [ADDRESS-ADDRESS] -- shows SRAM range
  *     switchmode -- switch to unprivileged mode
  * */
@@ -37,11 +38,17 @@ struct cmd {
 
 struct cmd builtincmds[4];
 
-int help(int argc, char ** argsv) {
+int info(int argc, char ** argsv) {
        sysinfo();
        return 0;
 }
 
+int uptime(int arg, char ** argsv) {
+       cputs("CURRENT UPTIME: ");
+       cputs(regtohex(*RTC_CNTL));
+       cputchar('\n');
+}
+
 int led(int argc, char ** argsv) {
 
 
@@ -116,8 +123,8 @@ int exec_cmd(char * buf) {
 
 void terminal() {
 
-               builtincmds[0].name = "help";
-       builtincmds[0].function = help;
+               builtincmds[0].name = "info";
+       builtincmds[0].function = info;
 
        builtincmds[1].name = "led";
        builtincmds[1].function = led;
@@ -125,6 +132,10 @@ void terminal() {
        builtincmds[2].name = "show";
        builtincmds[2].function = show;
 
+       builtincmds[3].name = "uptime";
+       builtincmds[3].function = uptime;
+
+
        char *buf;
         cputs("WELCOME TO ROBSYS!\n");