Diff: main.cpp

Revision:

1:6877bb99aa17

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed May 04 08:30:52 2011 +0000
@@ -0,0 +1,143 @@
+#include "mbed.h"
+#include "main.h"
+#include "serial.h"
+#include "scripting.h"
+#include "local_defines.h"
+#include "useful.h"
+#include "can.h"
+#include "led.h"
+#include "network.h"
+#include "cmd.h"
+
+/* This file looks after the USB serial code */
+Serial pc(USBTX, USBRX); // tx, rx
+
+int sys_state = 0;
+int net_state = 0;
+int set_baud_rate = 0;
+int var[MAX_VAR];
+char pwd[0x20];
+char station_id = 0;
+
+/* This should act as a 'Hard Crash' catcher to the error lights :-)   */
+/* See http://mbed.org/forum/helloworld/topic/624/?page=1#comment-3153 */
+extern "C" void HardFault_Handler() { error("Hard Fault!\n"); } 
+
+/* Local Definitions */
+#define WELCOME "Diags for the Mbed System"
+
+/* Main Code */
+int main() {
+    char buf[80];    /* Input Buffer */
+    int    r,l = 0;
+
+   sys_state = TO_USB;
+   sprintf(pwd,"/local/");      /* set the current directory for the disk functions */
+   clear_var();
+   exec_profile();
+   
+   // Start RTC
+    time_t seconds = time(NULL);
+    if (seconds == (unsigned)-1 || seconds == 0) {
+      seconds = 1265904000;     /* http://www.onlineconversion.com/unix_time.htm  */
+      set_time(seconds);
+      lprintf("RTC initialized, start time %d seconds\r\n", seconds);
+    }
+   
+   sys_state = TO_RS232;
+   
+   lprintf("\n%s\n\n",WELCOME);
+   lprintf("CMD >");
+   sys_state = TO_USB;
+   lprintf("\n%s\n\n",WELCOME);
+   lprintf("CMD >");
+    
+   can_init(); /* Setup the can bus ready for use */
+   
+   //   sys_state = TO_RS232;
+   sys_state = TO_USB;
+   
+   while (1) {
+        r = 0;
+        while(r==0){
+            if(pc.readable()){
+                sys_state = TO_USB;
+                l = usb_gets(buf,sizeof(buf));
+                r = 1;
+            } else if(rs232_readable()){
+                sys_state = TO_RS232;
+                l = rs232_gets(buf,sizeof(buf));
+                r = 2;
+            } 
+            can_receive();        /* Check for CAN messages */
+            if(net_state){
+                network_test();   /* Check the network */
+            }
+        }
+        if(l>2){
+            find_cmd(buf);
+        }
+        
+        if (sys_state & TO_USB)
+            pc_output_string("\n\rCMD > ");
+        if (sys_state & TO_RS232)
+            rs232_output_string("\n\rCMD > ");
+        sys_state = TO_USB;
+    }
+}
+/* Local Sub Routines */
+int usb_gets(char *s,int len) 
+{
+    char   c;
+    int    cnt=0;
+
+    while ((c = pc.getc()) != 0) {
+        if ((c == 0x0a) || (c==0x0d)) {
+            pc.putc('\n');
+            pc.putc('\r');
+            *s++ = '\0';
+            return(cnt);    /* Return length */
+        } else if (c==0x7f) {  /* Delete */
+            pc.putc(0x08);
+            pc.putc(0x20);
+            pc.putc(0x08);
+            cnt--;
+            *s--;
+        } else if (c==0x08) {  /* BS */
+            pc.putc(0x08);
+            pc.putc(0x20);
+            pc.putc(0x08);
+            cnt--;
+            *s--;
+        } else if (c==025) {  /* CTRL-U */
+            while (cnt!=0) {
+                pc.putc(0x08);
+                pc.putc(0x20);
+                pc.putc(0x08);
+                cnt--;
+                *s--;
+            }
+        } else {
+            *s++ = c;
+            pc.putc(c);
+            cnt++;
+        }
+    }
+    return(cnt);
+}
+
+void pc_output_string(char *buf) 
+{
+    int a = 0;
+    while(a != strlen(buf)){
+        pc.putc(buf[a]);
+        if(buf[a]=='\n')
+            pc.putc('\r');
+        a++;
+    }
+}
+void exec_profile(void)
+{
+    char    *a[2] = {"exec","profile.cmd"};
+    exec_file(2,a);
+}