4 #pragma section CODE=IRAM,attr=CODE
7 #define cleardata() memset(data,0,BUFSIZE)
9 static void increaseled(void)
11 PDR14 = ~(((~PDR14)+1)%256);
15 static unsigned char recvbyte(void)
20 static unsigned short recvword(void)
22 static unsigned char b1, b2;
23 static unsigned short ret;
26 ret = (unsigned short)(b2 << 8) | b1;
30 static unsigned int recvdword(void)
32 static unsigned char b1, b2, b3, b4;
33 static unsigned int ret;
38 ret = ((unsigned int) (b4 << 24)) | ((unsigned int) (b3 << 16)) | ((unsigned int) (b2 << 8)) |(unsigned int)b1;
42 static void halt(void)
49 static void panic(void)
58 unsigned short i, size, next;
59 unsigned char running = 1, data[BUFSIZE] = {0};
61 PORTEN = 0x3; /* enable I/O Ports */
76 address = recvdword();
83 for(i=0; i<(size+4); i+=4) { /* erase */
84 if(FLASH_SectorErase(address + i) != 1) {
89 Putch4(0x18); //Erasing done.
96 address = recvdword();
102 Putch4(0x04); //Received Metadata.
104 for(i=0; i<size; i++) { /* get data */
106 data[i] = recvbyte();
108 Putch4(0x08); //Received Data.
111 for(i=0; i<size; i+=2) { /* flash the data */
113 next = (((unsigned short)data[i])<<8) | (unsigned short)data[i+1];
114 if(FLASH_WriteHalfWord(address + i, next) != 1) {
118 Putch4(0x28); //Flashing done.
121 case 0x99: /* exit */
128 PDR14 = 0x55; //signal that we finished now!
134 for (; i <0x10; i+=4) {
135 (void) FLASH_SectorErase(baseaddr + i);
143 (void) FLASH_WriteHalfWord(baseaddr + (2*i), toflash[i]);