Revision 0:9a142eb22e83, committed 2014-11-06

Comitter:

dudmuck

Date:

Thu Nov 06 02:58:50 2014 +0000

Commit message:

initial commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Nov 06 02:58:50 2014 +0000
@@ -0,0 +1,110 @@
+#include "mbed.h"
+
+Serial pc(USBTX, USBRX);
+char pcbuf[64];
+
+DigitalOut myled(LED1);
+
+uint16_t my_data;
+
+void service_something()
+{
+    /* poll something while waiting for keyboard */
+}
+
+int get_kbd_str(char* buf, int size)
+{
+    char c;
+    int i;
+    static int prev_len;
+    
+    for (i = 0;;) {
+        if (pc.readable()) {
+            c = pc.getc();
+            if (c == 8) {   // backspace
+                if (i > 0) {
+                    pc.putc(8);
+                    pc.putc(' ');
+                    pc.putc(8);
+                    i--;
+                }
+            } else if (c == '\r') {
+                if (i == 0) {
+                    return prev_len; // repeat previous
+                } else {
+                    buf[i] = 0; // null terminate
+                    prev_len = i;
+                    return i;
+                }
+            } else if (c == 3) {
+                // ctrl-C abort
+                return -1;
+            } else if (i < size) {
+                buf[i++] = c;
+                pc.putc(c);
+            }
+        } else {
+            service_something();
+        }
+    } // ...for()
+}
+
+void
+print_status()
+{
+    printf("LED1:%d\r\n", myled.read());
+    printf("my_data:%d\n", my_data);
+}
+
+void console()
+{
+    int len, n;
+    
+    len = get_kbd_str(pcbuf, sizeof(pcbuf));
+    if (len < 0) {
+        printf("abort\r\n");
+        return;
+    }
+    
+    printf("\r\n");
+    if (len == 1) {
+        /* single character handling */
+        switch (pcbuf[0]) {
+            case '?':
+                printf(".       print status\r\n");
+                printf("led     toggle LED\r\n");
+                printf("da<%%d>  get/set my_data\r\n");
+                break;
+            case '.':
+                print_status();
+                break;
+        } // ...switch (pcbuf[0])
+    } else if (pcbuf[0] == 'l' && pcbuf[1] == 'e' && pcbuf[2] == 'd') {
+        if (myled.read())   // invert LED state
+            myled = 0;
+        else
+            myled = 1;
+    } else if (pcbuf[0] == 'd' && pcbuf[1] == 'a') {
+        if (pcbuf[2] >= '0' && pcbuf[2] <= '9') {
+            sscanf(pcbuf+2, "%d", &n);
+            my_data = n;    // set user data
+        }
+        printf("data:%d\r\n", my_data);  // show current value;
+    }
+
+    printf("> ");
+    fflush(stdout);
+}
+
+int main()
+{  
+    pc.baud(57600);
+    printf("\r\nreset\r\n");
+    
+    printf("> ");
+    fflush(stdout);
+    
+    while (1) {
+        console();
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Nov 06 02:58:50 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/031413cf7a89
\ No newline at end of file