void ihx_read_print(__xdata uint8_t* start_addr, uint16_t len) {
__xdata char buff[45];
uint8_t byte, sum, i, chunk;
while (len) {
sum = 0;
if(len > 0x10)
chunk = 0x10;
else
chunk = len;
buff[0] = ':';
to_hex8_ascii(&buff[1], chunk);
sum += chunk;
// Write address into buffer
to_hex16_ascii(&buff[3], (uint16_t)start_addr);
sum += (uint16_t)start_addr & 0xFF;
sum += ((uint16_t)start_addr >> 8) & 0xFF;
// Write record type into buffer
to_hex8_ascii(&buff[7], 0x00);
// Write data bytes into buffer
for (i=0; i<chunk; i++) {
byte = *(start_addr+i);
sum += byte;
to_hex8_ascii(&buff[9 + 2*i], byte);
}
// Write checksum into buffer
to_hex8_ascii(&buff[9 + 2*i], (uint8_t)(-(int8_t)sum));
buff[11 + 2*i] = '\n';
buff[12 + 2*i] = 0;
// Print buffer over usb
usb_putstr(buff);
// Updates for next go round
if(len > 0x10) {
start_addr += 0x10;
len -= 0x10;
} else // we're done
len = 0;
}
usb_putstr(":00000001FF\n");
}
static int
hexwrite(int fd, void *p, int n)
{
char hex[RCALLMAX*2];
int i, nw;
char *cp = (char*)p;
for(i=0; i<n; i++)
to_hex8_ascii(&hex[i*2], cp[i]);
nw = fdwrite(fd, hex, n*2);
if(nw < 0)
return -1;
return nw/2;
}
void
srvtx()
{
int i;
uint8 length;
char txcall_in_ascii[SPIMAX * 2];
int ascii_idx;
flag &= ~Ftxcall;
length = txcall[0];
for (ntx = 0; ntx < length; ntx++) {
to_hex8_ascii(&txcall_in_ascii[ntx * 2], txcall[ntx]);
}
for (ascii_idx = 0; ascii_idx < length * 2; ascii_idx++) {
usb_putchar(txcall_in_ascii[ascii_idx]);
}
usb_flush( );
flag |= Ftxcall;
}
void to_hex16_ascii(char buff[], uint16_t x) {
to_hex8_ascii(&buff[2], x & 0xFF);
to_hex8_ascii(&buff[0], (x>>8) & 0xFF);
}
