make: check if git is available before calculate version

[pyfrprog.git] / pkernel / main.c

diff --git a/pkernel/main.c b/pkernel/main.c
index ac9c20b9cfdc98eac7c531d4061d731700cde817..8e92a3a7616c8ca4e4b7c52e2aa5f98b48dd5da9 100644 (file)
--- a/pkernel/main.c
+++ b/pkernel/main.c
@@ -1,12 +1,27 @@
 #include "mb91465k.h"
 #include "flash.h"
 
-#define BUFSIZE 0x10
+#define BUFSIZE 0x20
 #define cleardata() memset(data,0,BUFSIZE)
 
-static void increaseled(void)
+void increaseled(void)
 {
-       PDR14 = ~(((~PDR14)+1)%256);
+#define T_INIT 1100
+       static unsigned int t = T_INIT;
+       static unsigned char l = (1<<0);
+       static unsigned char s = 1;
+       if(t == 0) {
+               if(l & (1<<0)) {
+                       s = 1;
+               } else if (l & (1<<7)) {
+                       s = 0;
+               }
+               l = s ? l << 1 : l >> 1;
+               PDR14 = ~l;
+               t = T_INIT;
+       } else {
+               t--;
+       }
 }
 
 static unsigned char recvbyte(void)
@@ -55,8 +70,6 @@ void main(void)
        unsigned short i, size, next;
        unsigned char running = 1, data[BUFSIZE] = {0};
        
-       PORTEN = 0x3; /* enable I/O Ports */
-
        /*Enable LEDs*/
        DDR14 = 0xFF;
        PDR14 = 0xff;
@@ -67,35 +80,16 @@ void main(void)
        while(running) {
                cleardata();
                increaseled();
-
                switch(recvbyte()) {
                        case 0x15: //chip erase
                                Putch4(0x45);
-                               increaseled();
+                               PDR14 = ~(0x05);
                                if(FLASH_ChipErase() != 1) {
                                        panic();
                                }
                                Putch4(0x23);
                                break;
 
-                       case 0x12: //erase
-                               Putch4(0x11);
-                               address = recvdword();
-                               increaseled();
-
-                               size = recvword();
-                               increaseled();
-
-                               PDR14 = 0xff;
-                               for(i=0; i<(size+4); i+=4) { /* erase */
-                                       if(FLASH_SectorErase(address + i) != 1) {
-                                               panic();
-                                       }
-                                       increaseled();
-                               }
-                               Putch4(0x18); //Erasing done.
-                               break;
-
                        case 0x13: //receive
                                Putch4(0x37);
                                increaseled();
@@ -106,13 +100,11 @@ void main(void)
                                size = recvword();
                                increaseled();
 
-                               PDR14 = 0xff;
                                for(i=0; i<size; i++) { /* get data */
                                        increaseled();
                                        data[i] = recvbyte();
                                }
 
-                               PDR14 = 0xff;
                                for(i=0; i<size; i+=2) { /* flash the data */
                                        increaseled();
                                        next = (((unsigned short)data[i])<<8) | (unsigned short)data[i+1];
@@ -120,14 +112,14 @@ 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)! */
+                       case 0x97: /* exit and restart (let do this by the watchdog!) */
                                while(1) {
+                                       unsigned long tmp = 1800;
+                                       while(tmp)
+                                               tmp = tmp - 1;
                                        increaseled();
                                }