added receivebyte with timeout. sometimes it will just hang,

[pyfrprog.git] / pkernel / main.c

diff --git a/pkernel/main.c b/pkernel/main.c
index c40924f4b3c9c3c39e484a486734bba55491b5bb..ac9c20b9cfdc98eac7c531d4061d731700cde817 100644 (file)
--- a/pkernel/main.c
+++ b/pkernel/main.c
@@ -1,13 +1,12 @@
 #include "mb91465k.h"
 #include "flash.h"
 
-#define BUFSIZE 0x20
+#define BUFSIZE 0x10
 #define cleardata() memset(data,0,BUFSIZE)
 
 static void increaseled(void)
 {
        PDR14 = ~(((~PDR14)+1)%256);
-       HWWD_CL = 0;
 }
 
 static unsigned char recvbyte(void)
@@ -68,6 +67,7 @@ void main(void)
        while(running) {
                cleardata();
                increaseled();
+
                switch(recvbyte()) {
                        case 0x15: //chip erase
                                Putch4(0x45);
@@ -106,13 +106,11 @@ void main(void)
                                size = recvword();
                                increaseled();
 
-                               Putch4(0x04); //Received Metadata.
                                PDR14 = 0xff;
                                for(i=0; i<size; i++) { /* get data */
                                        increaseled();
                                        data[i] = recvbyte();
                                }
-                               Putch4(0x08); //Received Data.
 
                                PDR14 = 0xff;
                                for(i=0; i<size; i+=2) { /* flash the data */
@@ -122,9 +120,17 @@ void main(void)
                                                panic();
                                        }
                                }
-                               Putch4(0x28); //Flashing done.
                                break;
 
+                       case 0x23: //ack it
+                               Putch4(0xaa);
+                               break;
+
+                       case 0x97: /* exit and restart (let do this by the watchdog)! */
+                               while(1) {
+                                       increaseled();
+                               }
+
                        case 0x99: /* exit */
                                running = 0;
                                break;