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controller/LoadFile/teensy_loader_cli.c

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/* Teensy Loader, Command Line Interface
* Program and Reboot Teensy Board with HalfKay Bootloader
* http://www.pjrc.com/teensy/loader_cli.html
* Copyright 2008-2010, PJRC.COM, LLC
* Modifications 2014, Jacob Alexander <haata@kiibohd.com>
*
* You may redistribute this program and/or modify it under the terms
* of the GNU General Public License as published by the Free Software
* Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/
*/
/* Want to incorporate this code into a proprietary application??
* Just email paul@pjrc.com to ask. Usually it's not a problem,
* but you do need to ask to use this code in any way other than
* those permitted by the GNU General Public License, version 3 */
/* For non-root permissions on ubuntu or similar udev-based linux
* http://www.pjrc.com/teensy/49-teensy.rules
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
void usage(void)
{
fprintf(stderr, "Usage: teensy_loader_cli -mmcu=<MCU> [-w] [-h] [-n] [-v] <file.hex>\n");
fprintf(stderr, "\t-w : Wait for device to appear\n");
fprintf(stderr, "\t-r : Use hard reboot if device not online\n");
fprintf(stderr, "\t-n : No reboot after programming\n");
fprintf(stderr, "\t-v : Verbose output\n");
#if defined(USE_LIBUSB)
fprintf(stderr, "\n<MCU> = atmega32u4 | at90usb162 | at90usb646 | at90usb1286 | mk20dx128 | mk20dx256\n");
#else
fprintf(stderr, "\n<MCU> = atmega32u4 | at90usb162 | at90usb646 | at90usb1286\n");
#endif
fprintf(stderr, "\nFor more information, please visit:\n");
fprintf(stderr, "http://www.pjrc.com/teensy/loader_cli.html\n");
exit(1);
}
// USB Access Functions
int teensy_open(void);
int teensy_write(void *buf, int len, double timeout);
void teensy_close(void);
int hard_reboot(void);
// Intel Hex File Functions
int read_intel_hex(const char *filename);
int ihex_bytes_within_range(int begin, int end);
void ihex_get_data(int addr, int len, unsigned char *bytes);
int memory_is_blank(int addr, int block_size);
// Misc stuff
int printf_verbose(const char *format, ...);
void delay(double seconds);
void die(const char *str, ...);
void parse_options(int argc, char **argv);
// options (from user via command line args)
int wait_for_device_to_appear = 0;
int hard_reboot_device = 0;
int reboot_after_programming = 1;
int verbose = 0;
int code_size = 0, block_size = 0;
const char *filename=NULL;
/****************************************************************/
/* */
/* Main Program */
/* */
/****************************************************************/
int main(int argc, char **argv)
{
unsigned char buf[2048];
int num, addr, r, write_size=block_size+2;
int first_block=1, waited=0;
// parse command line arguments
parse_options(argc, argv);
if (!filename) {
fprintf(stderr, "Filename must be specified\n\n");
usage();
}
if (!code_size) {
fprintf(stderr, "MCU type must be specified\n\n");
usage();
}
printf_verbose("Teensy Loader, Command Line, Version 2.0, Kiibohd-Mods\n");
// read the intel hex file
// this is done first so any error is reported before using USB
num = read_intel_hex(filename);
if (num < 0) die("error reading intel hex file \"%s\"", filename);
printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
filename, num, (double)num / (double)code_size * 100.0);
// open the USB device
while (1) {
if (teensy_open()) break;
if (hard_reboot_device) {
if (!hard_reboot()) die("Unable to find rebootor\n");
printf_verbose("Hard Reboot performed\n");
hard_reboot_device = 0; // only hard reboot once
wait_for_device_to_appear = 1;
}
if (!wait_for_device_to_appear) die("Unable to open device\n");
if (!waited) {
printf_verbose("Waiting for Teensy device...\n");
printf_verbose(" (hint: press the reset button)\n");
waited = 1;
}
delay(0.25);
}
printf_verbose("Found HalfKay Bootloader\n");
// if we waited for the device, read the hex file again
// perhaps it changed while we were waiting?
if (waited) {
num = read_intel_hex(filename);
if (num < 0) die("error reading intel hex file \"%s\"", filename);
printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
filename, num, (double)num / (double)code_size * 100.0);
}
// program the data
printf_verbose("Programming");
fflush(stdout);
for (addr = 0; addr < code_size; addr += block_size) {
if (!first_block && !ihex_bytes_within_range(addr, addr + block_size - 1)) {
// don't waste time on blocks that are unused,
// but always do the first one to erase the chip
continue;
}
if (!first_block && memory_is_blank(addr, block_size)) continue;
printf_verbose(".");
if (code_size < 0x10000) {
buf[0] = addr & 255;
buf[1] = (addr >> 8) & 255;
ihex_get_data(addr, block_size, buf + 2);
write_size = block_size + 2;
} else if (block_size == 256) {
buf[0] = (addr >> 8) & 255;
buf[1] = (addr >> 16) & 255;
ihex_get_data(addr, block_size, buf + 2);
write_size = block_size + 2;
} else if (block_size >= 1024) {
buf[0] = addr & 255;
buf[1] = (addr >> 8) & 255;
buf[2] = (addr >> 16) & 255;
memset(buf + 3, 0, 61);
ihex_get_data(addr, block_size, buf + 64);
write_size = block_size + 64;
} else {
die("Unknown code/block size\n");
}
r = teensy_write(buf, write_size, first_block ? 3.0 : 0.25);
if (!r) die("error writing to Teensy\n");
first_block = 0;
}
printf_verbose("\n");
// reboot to the user's new code
if (reboot_after_programming) {
printf_verbose("Booting\n");
buf[0] = 0xFF;
buf[1] = 0xFF;
buf[2] = 0xFF;
memset(buf + 3, 0, sizeof(buf) - 3);
teensy_write(buf, write_size, 0.25);
}
teensy_close();
return 0;
}
/****************************************************************/
/* */
/* USB Access - libusb (Linux, Windows & FreeBSD) */
/* */
/****************************************************************/
#if defined(USE_LIBUSB)
#include <libusb-1.0/libusb.h>
struct libusb_device_handle *open_usb_device( int vid, int pid )
{
libusb_device **devs;
struct libusb_device_handle *handle = NULL;
struct libusb_device_handle *ret = NULL;
if ( libusb_init( NULL ) != 0 )
fprintf( stderr, "libusb_init failed.\n" );
size_t count = libusb_get_device_list( NULL, &devs );
if ( count < 0 )
fprintf( stderr, "libusb_get_device_list failed.\n" );
for ( size_t c = 0; c < count; c++ )
{
struct libusb_device_descriptor desc;
libusb_device *dev = devs[c];
if ( libusb_get_device_descriptor( dev, &desc ) < 0 )
fprintf( stderr, "libusb_get_device_descriptor failed.\n" );
//printf("ID: %04x Product: %04x\n", desc.idVendor, desc.idProduct );
// Not correct device
if ( desc.idVendor != vid || desc.idProduct != pid )
continue;
// Attempt to open the device
if ( libusb_open( dev, &handle ) != 0 )
{
fprintf( stderr, "Found device but unable to open\n" );
continue;
}
// Only required on Linux, other platforms will just ignore this call
libusb_detach_kernel_driver( handle, 0 );
// Mac OS-X - removing this call to usb_claim_interface() might allow
// this to work, even though it is a clear misuse of the libusb API.
// normally Apple's IOKit should be used on Mac OS-X
// XXX Is this still valid with libusb-1.0?
// Attempt to claim interface
int err = libusb_claim_interface( handle, 0 );
if ( err < 0 )
{
libusb_close( handle );
fprintf( stderr, "Unable to claim interface, check USB permissions: %d\n", err );
continue;
}
ret = handle;
break;
}
libusb_free_device_list( devs, 1 );
return ret;
}
static struct libusb_device_handle *libusb_teensy_handle = NULL;
int teensy_open()
{
teensy_close();
libusb_teensy_handle = open_usb_device( 0x16C0, 0x0478 );
if ( libusb_teensy_handle )
return 1;
return 0;
}
int teensy_write( void *buf, int len, double timeout )
{
int r;
if ( !libusb_teensy_handle )
return 0;
while ( timeout > 0 ) {
r = libusb_control_transfer( libusb_teensy_handle,
0x21, 9, 0x0200, 0,
(unsigned char *)buf, len,
(int)(timeout * 1000.0) );
if ( r >= 0 )
return 1;
//printf("teensy_write, r=%d\n", r);
usleep( 10000 );
timeout -= 0.01; // TODO: subtract actual elapsed time
}
return 0;
}
void teensy_close()
{
if ( !libusb_teensy_handle)
return;
libusb_release_interface( libusb_teensy_handle, 0 );
libusb_close( libusb_teensy_handle );
libusb_teensy_handle = NULL;
}
int hard_reboot()
{
struct libusb_device_handle *rebootor;
int r;
rebootor = open_usb_device( 0x16C0, 0x0477 );
if (!rebootor)
return 0;
r = libusb_control_transfer( rebootor,
0x21, 9, 0x0200, 0,
(unsigned char*)"reboot", 6,
100 );
libusb_release_interface( rebootor, 0 );
libusb_close( rebootor );
if (r < 0)
return 0;
return 1;
}
#endif
/****************************************************************/
/* */
/* USB Access - Apple's IOKit, Mac OS-X */
/* */
/****************************************************************/
#if defined(USE_APPLE_IOKIT)
// http://developer.apple.com/technotes/tn2007/tn2187.html
#include <IOKit/IOKitLib.h>
#include <IOKit/hid/IOHIDLib.h>
#include <IOKit/hid/IOHIDDevice.h>
struct usb_list_struct {
IOHIDDeviceRef ref;
int pid;
int vid;
struct usb_list_struct *next;
};
static struct usb_list_struct *usb_list=NULL;
static IOHIDManagerRef hid_manager=NULL;
void attach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{
CFTypeRef type;
struct usb_list_struct *n, *p;
int32_t pid, vid;
if (!dev) return;
type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDVendorIDKey));
if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &vid)) return;
type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDProductIDKey));
if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &pid)) return;
n = (struct usb_list_struct *)malloc(sizeof(struct usb_list_struct));
if (!n) return;
//printf("attach callback: vid=%04X, pid=%04X\n", vid, pid);
n->ref = dev;
n->vid = vid;
n->pid = pid;
n->next = NULL;
if (usb_list == NULL) {
usb_list = n;
} else {
for (p = usb_list; p->next; p = p->next) ;
p->next = n;
}
}
void detach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
{
struct usb_list_struct *p, *tmp, *prev=NULL;
p = usb_list;
while (p) {
if (p->ref == dev) {
if (prev) {
prev->next = p->next;
} else {
usb_list = p->next;
}
tmp = p;
p = p->next;
free(tmp);
} else {
prev = p;
p = p->next;
}
}
}
void init_hid_manager(void)
{
CFMutableDictionaryRef dict;
IOReturn ret;
if (hid_manager) return;
hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
if (hid_manager == NULL || CFGetTypeID(hid_manager) != IOHIDManagerGetTypeID()) {
if (hid_manager) CFRelease(hid_manager);
printf_verbose("no HID Manager - maybe this is a pre-Leopard (10.5) system?\n");
return;
}
dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
if (!dict) return;
IOHIDManagerSetDeviceMatching(hid_manager, dict);
CFRelease(dict);
IOHIDManagerScheduleWithRunLoop(hid_manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, attach_callback, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, detach_callback, NULL);
ret = IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone);
if (ret != kIOReturnSuccess) {
IOHIDManagerUnscheduleFromRunLoop(hid_manager,
CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
CFRelease(hid_manager);
printf_verbose("Error opening HID Manager");
}
}
static void do_run_loop(void)
{
while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true) == kCFRunLoopRunHandledSource) ;
}
IOHIDDeviceRef open_usb_device(int vid, int pid)
{
struct usb_list_struct *p;
IOReturn ret;
init_hid_manager();
do_run_loop();
for (p = usb_list; p; p = p->next) {
if (p->vid == vid && p->pid == pid) {
ret = IOHIDDeviceOpen(p->ref, kIOHIDOptionsTypeNone);
if (ret == kIOReturnSuccess) return p->ref;
}
}
return NULL;
}
void close_usb_device(IOHIDDeviceRef dev)
{
struct usb_list_struct *p;
do_run_loop();
for (p = usb_list; p; p = p->next) {
if (p->ref == dev) {
IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
return;
}
}
}
static IOHIDDeviceRef iokit_teensy_reference = NULL;
int teensy_open(void)
{
teensy_close();
iokit_teensy_reference = open_usb_device(0x16C0, 0x0478);
if (iokit_teensy_reference) return 1;
return 0;
}
int teensy_write(void *buf, int len, double timeout)
{
IOReturn ret;
// timeouts do not work on OS-X
// IOHIDDeviceSetReportWithCallback is not implemented
// even though Apple documents it with a code example!
// submitted to Apple on 22-sep-2009, problem ID 7245050
if (!iokit_teensy_reference) return 0;
ret = IOHIDDeviceSetReport(iokit_teensy_reference,
kIOHIDReportTypeOutput, 0, buf, len);
if (ret == kIOReturnSuccess) return 1;
return 0;
}
void teensy_close(void)
{
if (!iokit_teensy_reference) return;
close_usb_device(iokit_teensy_reference);
iokit_teensy_reference = NULL;
}
int hard_reboot(void)
{
IOHIDDeviceRef rebootor;
IOReturn ret;
rebootor = open_usb_device(0x16C0, 0x0477);
if (!rebootor) return 0;
ret = IOHIDDeviceSetReport(rebootor,
kIOHIDReportTypeOutput, 0, (uint8_t *)("reboot"), 6);
close_usb_device(rebootor);
if (ret == kIOReturnSuccess) return 1;
return 0;
}
#endif
/****************************************************************/
/* */
/* USB Access - BSD's UHID driver */
/* */
/****************************************************************/
#if defined(USE_UHID)
// Thanks to Todd T Fries for help getting this working on OpenBSD
// and to Chris Kuethe for the initial patch to use UHID.
#include <sys/ioctl.h>
#include <fcntl.h>
#include <dirent.h>
#include <dev/usb/usb.h>
#ifndef USB_GET_DEVICEINFO
#include <dev/usb/usb_ioctl.h>
#endif
int open_usb_device(int vid, int pid)
{
int r, fd;
DIR *dir;
struct dirent *d;
struct usb_device_info info;
char buf[256];
dir = opendir("/dev");
if (!dir) return -1;
while ((d = readdir(dir)) != NULL) {
if (strncmp(d->d_name, "uhid", 4) != 0) continue;
snprintf(buf, sizeof(buf), "/dev/%s", d->d_name);
fd = open(buf, O_RDWR);
if (fd < 0) continue;
r = ioctl(fd, USB_GET_DEVICEINFO, &info);
if (r < 0) {
// NetBSD: added in 2004
// OpenBSD: added November 23, 2009
// FreeBSD: missing (FreeBSD 8.0) - USE_LIBUSB works!
die("Error: your uhid driver does not support"
" USB_GET_DEVICEINFO, please upgrade!\n");
close(fd);
closedir(dir);
exit(1);
}
//printf("%s: v=%d, p=%d\n", buf, info.udi_vendorNo, info.udi_productNo);
if (info.udi_vendorNo == vid && info.udi_productNo == pid) {
closedir(dir);
return fd;
}
close(fd);
}
closedir(dir);
return -1;
}
static int uhid_teensy_fd = -1;
int teensy_open(void)
{
teensy_close();
uhid_teensy_fd = open_usb_device(0x16C0, 0x0478);
if (uhid_teensy_fd < 0) return 0;
return 1;
}
int teensy_write(void *buf, int len, double timeout)
{
int r;
// TODO: imeplement timeout... how??
r = write(uhid_teensy_fd, buf, len);
if (r == len) return 1;
return 0;
}
void teensy_close(void)
{
if (uhid_teensy_fd >= 0) {
close(uhid_teensy_fd);
uhid_teensy_fd = -1;
}
}
int hard_reboot(void)
{
int r, rebootor_fd;
rebootor_fd = open_usb_device(0x16C0, 0x0477);
if (rebootor_fd < 0) return 0;
r = write(rebootor_fd, "reboot", 6);
delay(0.1);
close(rebootor_fd);
if (r == 6) return 1;
return 0;
}
#endif
/****************************************************************/
/* */
/* Read Intel Hex File */
/* */
/****************************************************************/
// the maximum flash image size we can support
// chips with larger memory may be used, but only this
// much intel-hex data can be loaded into memory!
#define MAX_MEMORY_SIZE 0x40000
static unsigned char firmware_image[MAX_MEMORY_SIZE];
static unsigned char firmware_mask[MAX_MEMORY_SIZE];
static int end_record_seen=0;
static int byte_count;
static unsigned int extended_addr = 0;
static int parse_hex_line(char *line);
int read_intel_hex(const char *filename)
{
FILE *fp;
int i, lineno=0;
char buf[1024];
byte_count = 0;
end_record_seen = 0;
for (i=0; i<MAX_MEMORY_SIZE; i++) {
firmware_image[i] = 0xFF;
firmware_mask[i] = 0;
}
extended_addr = 0;
fp = fopen(filename, "r");
if (fp == NULL) {
//printf("Unable to read file %s\n", filename);
return -1;
}
while (!feof(fp)) {
*buf = '\0';
if (!fgets(buf, sizeof(buf), fp)) break;
lineno++;
if (*buf) {
if (parse_hex_line(buf) == 0) {
printf("Warning, HEX parse error line %d\n", lineno);
return -2;
}
}
if (end_record_seen) break;
if (feof(stdin)) break;
}
fclose(fp);
return byte_count;
}
/* from ihex.c, at http://www.pjrc.com/tech/8051/pm2_docs/intel-hex.html */
/* parses a line of intel hex code, stores the data in bytes[] */
/* and the beginning address in addr, and returns a 1 if the */
/* line was valid, or a 0 if an error occured. The variable */
/* num gets the number of bytes that were stored into bytes[] */
int
parse_hex_line(char *line)
{
int addr, code, num;
int sum, len, cksum, i;
char *ptr;
num = 0;
if (line[0] != ':') return 0;
if (strlen(line) < 11) return 0;
ptr = line+1;
if (!sscanf(ptr, "%02x", &len)) return 0;
ptr += 2;
if ((int)strlen(line) < (11 + (len * 2)) ) return 0;
if (!sscanf(ptr, "%04x", &addr)) return 0;
ptr += 4;
/* printf("Line: length=%d Addr=%d\n", len, addr); */
if (!sscanf(ptr, "%02x", &code)) return 0;
if (addr + extended_addr + len >= MAX_MEMORY_SIZE) return 0;
ptr += 2;
sum = (len & 255) + ((addr >> 8) & 255) + (addr & 255) + (code & 255);
if (code != 0) {
if (code == 1) {
end_record_seen = 1;
return 1;
}
if (code == 2 && len == 2) {
if (!sscanf(ptr, "%04x", &i)) return 1;
ptr += 4;
sum += ((i >> 8) & 255) + (i & 255);
if (!sscanf(ptr, "%02x", &cksum)) return 1;
if (((sum & 255) + (cksum & 255)) & 255) return 1;
extended_addr = i << 4;
//printf("ext addr = %05X\n", extended_addr);
}
if (code == 4 && len == 2) {
if (!sscanf(ptr, "%04x", &i)) return 1;
ptr += 4;
sum += ((i >> 8) & 255) + (i & 255);
if (!sscanf(ptr, "%02x", &cksum)) return 1;
if (((sum & 255) + (cksum & 255)) & 255) return 1;
extended_addr = i << 16;
//printf("ext addr = %08X\n", extended_addr);
}
return 1; // non-data line
}
byte_count += len;
while (num != len) {
if (sscanf(ptr, "%02x", &i) != 1) return 0;
i &= 255;
firmware_image[addr + extended_addr + num] = i;
firmware_mask[addr + extended_addr + num] = 1;
ptr += 2;
sum += i;
(num)++;
if (num >= 256) return 0;
}
if (!sscanf(ptr, "%02x", &cksum)) return 0;
if (((sum & 255) + (cksum & 255)) & 255) return 0; /* checksum error */
return 1;
}
int ihex_bytes_within_range(int begin, int end)
{
int i;
if (begin < 0 || begin >= MAX_MEMORY_SIZE ||
end < 0 || end >= MAX_MEMORY_SIZE) {
return 0;
}
for (i=begin; i<=end; i++) {
if (firmware_mask[i]) return 1;
}
return 0;
}
void ihex_get_data(int addr, int len, unsigned char *bytes)
{
int i;
if (addr < 0 || len < 0 || addr + len >= MAX_MEMORY_SIZE) {
for (i=0; i<len; i++) {
bytes[i] = 255;
}
return;
}
for (i=0; i<len; i++) {
if (firmware_mask[addr]) {
bytes[i] = firmware_image[addr];
} else {
bytes[i] = 255;
}
addr++;
}
}
int memory_is_blank(int addr, int block_size)
{
if (addr < 0 || addr > MAX_MEMORY_SIZE) return 1;
while (block_size && addr < MAX_MEMORY_SIZE) {
if (firmware_mask[addr] && firmware_image[addr] != 255) return 0;
addr++;
block_size--;
}
return 1;
}
/****************************************************************/
/* */
/* Misc Functions */
/* */
/****************************************************************/
int printf_verbose(const char *format, ...)
{
va_list ap;
int r;
va_start(ap, format);
if (verbose) {
r = vprintf(format, ap);
fflush(stdout);
return r;
}
return 0;
}
void delay(double seconds)
{
#ifdef WIN32
Sleep(seconds * 1000.0);
#else
usleep(seconds * 1000000.0);
#endif
}
void die(const char *str, ...)
{
va_list ap;
va_start(ap, str);
vfprintf(stderr, str, ap);
fprintf(stderr, "\n");
exit(1);
}
#if defined(WIN32)
#define strcasecmp stricmp
#endif
void parse_options(int argc, char **argv)
{
int i;
const char *arg;
for (i=1; i<argc; i++) {
arg = argv[i];
//printf("arg: %s\n", arg);
if (*arg == '-') {
if (strcmp(arg, "-w") == 0) {
wait_for_device_to_appear = 1;
} else if (strcmp(arg, "-r") == 0) {
hard_reboot_device = 1;
} else if (strcmp(arg, "-n") == 0) {
reboot_after_programming = 0;
} else if (strcmp(arg, "-v") == 0) {
verbose = 1;
} else if (strncmp(arg, "-mmcu=", 6) == 0) {
if (strcasecmp(arg+6, "at90usb162") == 0) {
code_size = 15872;
block_size = 128;
} else if (strcasecmp(arg+6, "atmega32u4") == 0) {
code_size = 32256;
block_size = 128;
} else if (strcasecmp(arg+6, "at90usb646") == 0) {
code_size = 64512;
block_size = 256;
} else if (strcasecmp(arg+6, "at90usb1286") == 0) {
code_size = 130048;
block_size = 256;
#if defined(USE_LIBUSB)
} else if (strcasecmp(arg+6, "mk20dx128") == 0) {
code_size = 131072;
block_size = 1024;
} else if (strcasecmp(arg+6, "mk20dx256") == 0) {
code_size = 262144;
block_size = 1024;
#endif
} else {
die("Unknown MCU type\n");
}
}
} else {
filename = argv[i];
}
}
}