Flash multiple pages. Eliminate off-by-one error in hex_image length.

[fw/altos] / blink.c

diff --git a/blink.c b/blink.c
index fcbc04d0555db3a12dfd7ec4f5a2085bf7bf2721..907c82b83c5d1f8dda2be1195eae9f75e399c829 100644 (file)
--- a/blink.c
+++ b/blink.c
@@ -1,44 +1,100 @@
+/*
+ * Copyright © 2008 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
 
 sfr at 0x80 P0;
 sfr at 0x90 P1;
 sfr at 0xA0 P2;
+sfr at 0xC6 CLKCON;
 
-#define PERCFG SFR(0xF1)
-#define ADCCFG SFR(0xF2)
-#define P0SEL  SFR(0xF3)
-#define P1SEL  SFR(0xF4)
-#define P2SEL  SFR(0xF5)
+sfr at 0xF1 PERCFG;
+sfr at 0xF2 ADCCFG;
+sfr at 0xF3 P0SEL;
+sfr at 0xF4 P1SEL;
+sfr at 0xF5 P2SEL;
 
 sfr at 0xFD P0DIR;
 sfr at 0xFE P1DIR;
-sfr at 0xFE P2DIR;
+sfr at 0xFF P2DIR;
 sfr at 0x8F P0INP;
 sfr at 0xF6 P1INP;
 sfr at 0xF7 P2INP;
 
-#define P0IFG  SFR(0x89)
-#define P1IFG  SFR(0x8A)
-#define P2IFG  SFR(0x8B)
+sfr at 0x89 P0IFG;
+sfr at 0x8A P1IFG;
+sfr at 0x8B P2IFG;
 
-#define nop()  _asm \
-               nop \
-               _endasm;
+#define nop()  _asm nop _endasm;
+
+void
+delay (unsigned char n)
+{
+       unsigned char i = 0, j = 0;
+
+       n <<= 1;
+       while (--n != 0)
+               while (--j != 0)
+                       while (--i != 0)
+                               nop();
+}
+
+void
+dit() {
+       P1 = 0xff;
+       delay(1);
+       P1 = 0xfd;
+       delay(1);
+}
+
+void
+dah () {
+       P1 = 0xff;
+       delay(3);
+       P1 = 0xfd;
+       delay(1);
+}
+
+void
+charspace () {
+       delay(2);
+}
+
+void
+wordspace () {
+       delay(8);
+}
+
+#define _ dit();
+#define ___ dah();
+#define C charspace();
+#define W wordspace();
 
 main ()
 {
-       int     i, j;
+       CLKCON = 0;
        /* Set p1_1 to output */
        P1DIR = 0x02;
        P1INP = 0x00;
        P2INP = 0x00;
        for (;;) {
-               P1 = 0xff;
-               for (j = 0; j < 100; j++)
-                       for (i = 0; i < 1000; i++)
-                               nop();
-               P1 = 0xfd;
-               for (j = 0; j < 100; j++)
-                       for (i = 0; i < 1000; i++)
-                               nop();
+               ___ _ ___ _ C ___ ___ _ ___ W   /* cq */
+               ___ _ _ C _ W                   /* de */
+               ___ _ ___ C ___ _ _ C           /* kd */
+               ___ ___ _ _ _ C _ _ _ C         /* 7s */
+               ___ ___ _ ___ C ___ ___ _ W     /* qg */
        }
 }