+ buf[16]='s'; // skip
+ for(temp=0;temp<16;temp++)
+ if((u8)buf[temp]!=0xff)
+ buf[16]='w'; // write
+ printf("addr:%08x\r",addr+lpc->roff);
+ fflush(stdout);
+ if(buf[16]=='w')
+ write_to_flash(lpc,(u8 *)buf,addr,16);
+ addr+=16;
+ }
+ return 0;
+ }
+
+ /* read a line */
+ ret=1;
+ while(ret) {
+ /* sync line */
+ ret=read(fd,buf,1);
+ switch(buf[0]) {
+ case '\r':
+ continue;
+ case '\n':
+ continue;
+ case ':':
+ /* start code */
+ break;
+ default:
+ printf("fw to mem: no ihex format\n");
+ return -1;
+ }
+ /* read len */
+ ret=read(fd,buf,2);
+ sscanf(buf,"%02x",&len);
+ /* read addr */
+ ret=read(fd,buf,4);
+ sscanf(buf,"%04x",&addr);
+ /* read type */
+ ret=read(fd,buf,2);
+ sscanf(buf,"%02x",&type);
+ /* successfull return if type is end of file */
+ if(type==0x01)
+ return 0;
+ /* read data (and cksum) */
+ ret=read(fd,buf,2*(len+1));
+ if(ret!=(2*(len+1))) {
+ printf("fw to mem: data missing\n");
+ return -1;
+ }
+ for(ret=0;ret<len;ret++) {
+ sscanf(buf+2*ret,"%02x",&temp);
+ buf[ret]=temp;
+ }
+ /* act according to type */
+ switch(type) {
+ //case 0x03:
+ // /* get cs and ip */
+ // break;
+ case 0x00:
+ if(len%4) {
+ printf("fw to mem: invalid len\n");
+ return -1;
+ }
+ if(memtype==RAM)
+ write_to_ram(lpc,buf,addr,len);
+ else
+ write_to_flash(lpc,(u8 *)buf,addr,len);
+ break;
+ case 0x04:
+ lpc->roff=((buf[0]<<24)|(buf[1]<<16));
+ break;
+ case 0x05:
+ lpc->jaddr=((buf[0]<<24)|(buf[1]<<16));
+ lpc->jaddr|=((buf[2]<<8)|buf[3]);
+ break;
+ default:
+ printf("fw to mem: unknown type %02x\n",type);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int lpc_txbuf_flush(t_lpc *lpc) {
+
+ int i,ret;
+ u8 buf[16];
+
+ ret=1;
+ printf("flushing lpc tx buffer: ");
+ while(ret) {
+ ret=read(lpc->sfd,buf,16);
+ for(i=0;i<ret;i++)
+ printf("%02x ",buf[i]);
+ }
+ printf("\n");