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 1f8a5192c03b8df909b580dcae0ab5d1d973728b..907c82b83c5d1f8dda2be1195eae9f75e399c829 100644 (file)
--- a/blink.c
+++ b/blink.c
@@ -1,39 +1,55 @@
+/*
+ * 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 (int n)
+delay (unsigned char n)
 {
-       int i, j, k;
+       unsigned char i = 0, j = 0;
 
-       for (k = 0; k < n; k++) {
-               for (j = 0; j < 50; j++)
-                       for (i = 0; i < 1000; i++)
+       n <<= 1;
+       while (--n != 0)
+               while (--j != 0)
+                       while (--i != 0)
                                nop();
-       }
 }
 
 void
@@ -62,14 +78,23 @@ wordspace () {
        delay(8);
 }
 
+#define _ dit();
+#define ___ dah();
+#define C charspace();
+#define W wordspace();
+
 main ()
 {
+       CLKCON = 0;
        /* Set p1_1 to output */
        P1DIR = 0x02;
        P1INP = 0x00;
        P2INP = 0x00;
        for (;;) {
-               dah(); dit(); dah(); dit(); charspace ();
-               dah(); dah(); dit(); dah(); wordspace();
+               ___ _ ___ _ C ___ ___ _ ___ W   /* cq */
+               ___ _ _ C _ W                   /* de */
+               ___ _ ___ C ___ _ _ C           /* kd */
+               ___ ___ _ _ _ C _ _ _ C         /* 7s */
+               ___ ___ _ ___ C ___ ___ _ W     /* qg */
        }
 }