//**************************[system_bootloader_info]*************************** 27.09.2015
void system_bootloader_info() {
// system_bootloader_wait_char('i') &&
if (system_bootloader_wait_char('n') &&
system_bootloader_wait_char( 'f') &&
system_bootloader_wait_char( 'o')) {
bootloader_data_out('I');
#if (defined(boot_signature_byte_get) && defined(SIGRD))
bootloader_data_out(boot_signature_byte_get(0));
bootloader_data_out(boot_signature_byte_get(2));
bootloader_data_out(boot_signature_byte_get(4));
#else // #if (defined(boot_signature_byte_get) && defined(SIGRD))
bootloader_data_out(SIGNATURE_0);
bootloader_data_out(SIGNATURE_1);
bootloader_data_out(SIGNATURE_2);
#endif // #if (defined(boot_signature_byte_get) && defined(SIGRD))
bootloader_data_out( SPM_PAGESIZE & 0xFF);
bootloader_data_out((SPM_PAGESIZE >> 8) & 0xFF);
bootloader_data_out( BOOTSTART & 0xFF);
bootloader_data_out((BOOTSTART >> 8) & 0xFF);
#if (BOOTSTART > 0xFFFF)
bootloader_data_out(((uint32_t) BOOTSTART >> 16) & 0xFF);
#else
bootloader_data_out(0x00);
#endif
bootloader_data_out(13);
}
static void USB_Device_GetInternalSerialDescriptor(void)
{
struct
{
USB_Descriptor_Header_t Header;
wchar_t UnicodeString[20];
} SignatureDescriptor;
SignatureDescriptor.Header.Type = DTYPE_String;
SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor);
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
uint8_t SigReadAddress = 0x0E;
for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++)
{
uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);
if (SerialCharNum & 0x01)
{
SerialByte >>= 4;
SigReadAddress++;
}
SerialByte &= 0x0F;
SignatureDescriptor.UnicodeString[SerialCharNum] = (SerialByte >= 10) ?
(('A' - 10) + SerialByte) : ('0' + SerialByte);
}
}
static void USB_Device_GetInternalSerialDescriptor(void)
{
struct
{
USB_Descriptor_Header_t Header;
int16_t UnicodeString[20];
} SignatureDescriptor;
SignatureDescriptor.Header.Type = DTYPE_String;
SignatureDescriptor.Header.Size = sizeof(SignatureDescriptor);
uint8_t SigReadAddress = 0x0E;
ATOMIC_BLOCK(ATOMIC_RESTORESTATE)
{
for (uint8_t SerialCharNum = 0; SerialCharNum < 20; SerialCharNum++)
{
uint8_t SerialByte = boot_signature_byte_get(SigReadAddress);
if (SerialCharNum & 0x01)
{
SerialByte >>= 4;
SigReadAddress++;
}
SignatureDescriptor.UnicodeString[SerialCharNum] = USB_Device_NibbleToASCII(SerialByte);
}
}
bool check_controller_id (void)
{
uint8_t sigbyte, eepcontent = 0;
eep_read(BLD_eExtEEPAddr_CtrlID + 0, 1, &eepcontent);
sigbyte = boot_signature_byte_get(ADDR_SIGNATURE_BYTE0);
if (sigbyte != eepcontent) return false;
eep_read(BLD_eExtEEPAddr_CtrlID + 1, 1, &eepcontent);
sigbyte = boot_signature_byte_get(ADDR_SIGNATURE_BYTE1);
if (sigbyte != eepcontent) return false;
eep_read(BLD_eExtEEPAddr_CtrlID + 2, 1, &eepcontent);
sigbyte = boot_signature_byte_get(ADDR_SIGNATURE_BYTE2);
if (sigbyte != eepcontent) return false;
return true;
}
bool hwUniqueID(unique_id_t *uniqueID)
{
// padding
(void)memset(uniqueID, MY_HWID_PADDING_BYTE, sizeof(unique_id_t));
// no unique ID for non-PB AVR, use HW specifics for diversification
*((uint8_t *)uniqueID) = boot_signature_byte_get(0x00);
*((uint8_t *)uniqueID + 1) = boot_signature_byte_get(0x02);
*((uint8_t *)uniqueID + 2) = boot_signature_byte_get(0x04);
*((uint8_t *)uniqueID + 3) = boot_signature_byte_get(0x01); //OSCCAL
#if defined(__AVR_ATmega328PB__)
// ATMEGA328PB specifics, has unique ID
for(uint8_t idx = 0; idx < 10; idx++) {
*((uint8_t *)uniqueID + 4 + idx) = boot_signature_byte_get(0xE + idx);
}
return true; // unique ID returned
#else
return false; // no unique ID returned
#endif
}
void Signature_Write(void)
{
FRESULT res;
res = f_open(&Main_file, "flysight.txt", FA_WRITE | FA_CREATE_ALWAYS);
if (res != FR_OK)
return; // ignore failures
Signature_WriteString(SignatureHeader);
uint8_t offset;
for (offset = 0x0e; offset <= 0x18; offset++) {
uint8_t byte = boot_signature_byte_get(offset);
Signature_WriteHexNibble(byte >> 4);
Signature_WriteHexNibble(byte & 0x0f);
}
Signature_WriteString(SignatureFooter);
f_close(&Main_file);
}
/*
* enc28j60_atmega644p_get_mac
* @device: Ethernet device instance for which MAC address is needed to
* be assigned.
* @return: Returns the start of random MAC address generated.
* This function will generate a MAC address using the device serial.
*/
uint8_t *enc28j60_atmega644p_get_mac(ETH_DEVICE *device)
{
/* Push ENC28j60 OUI bytes. */
device->mac[0] = ENC28J60_OUI_B0;
device->mac[1] = ENC28J60_OUI_B1;
device->mac[2] = ENC28J60_OUI_B2;
/* Assign remaining MAC address using the device serial. */
device->mac[3] = NET_CSUM_BYTE(NET_CSUM_BYTE(boot_signature_byte_get(0x000E), boot_signature_byte_get(0x000F)), boot_signature_byte_get(0x0010));
device->mac[4] = NET_CSUM_BYTE(NET_CSUM_BYTE(boot_signature_byte_get(0x0011), boot_signature_byte_get(0x0012)), boot_signature_byte_get(0x0013));
device->mac[5] = NET_CSUM_BYTE(NET_CSUM_BYTE(boot_signature_byte_get(0x0015), boot_signature_byte_get(0x0016)), boot_signature_byte_get(0x0017));
/* Return the generated MAC address. */
return (device->mac);
} /* enc28j60_atmega644p_get_mac */
uint8_t BootloaderAPI_ReadSignature(const uint16_t Address)
{
return boot_signature_byte_get(Address);
}
// ----------------------------------------------------------------------
// Handle a non-standard SETUP packet.
// ----------------------------------------------------------------------
uchar usbFunctionSetup ( uchar data[8] )
{
uchar req;
usbRequest_t *rq = (void *)data;
idle_cnt = idle_cnt2 = 0;
// Generic requests
req = data[1];
if ( req == USBTINY_READ) {
// do nothing
return 1;
}
else if ( req == USBTINY_POWERDOWN )
{
usb_maybe_finalizing = 1;
#ifndef ENABLE_WRITE_WHEN_TOLD
finalize_flash_if_dirty();
#endif
return 0;
}
else if ( req == USBTINY_SPI )
{
usb_maybe_finalizing = 1;
#ifndef ENABLE_WRITE_WHEN_TOLD
finalize_flash_if_dirty(); // partial page writes are not fully written unless this is called here, it must be HERE
#endif
usbMsgPtr = (usbMsgPtr_t)buffer;
buffer[2] = data[3]; // this tricks "usbtiny_cmd" into succeeding
buffer[3] = 0; // fools safemode into succeeding
// for the commands, refer to ATmega datasheet under "Serial Programming Instruction Set"
// usage of avr/boot.h here is experimental
if (0) { } // fools the C preprocessor
#ifdef ENABLE_SIG_READING
else if (data[2] == 0x30 && data[3] == 0x00) {
// read signature byte
#ifdef ENABLE_SIG_FAKING
buffer[3] = 0x01;
#else
buffer[3] = boot_signature_byte_get(data[4] * 2);
#endif
}
#endif
#ifdef ENABLE_FUSE_READING
else if (data[2] == 0x50 && data[3] == 0x00 && data[4] == 0x00) {
// read LFUSE
buffer[3] = boot_lock_fuse_bits_get(GET_LOW_FUSE_BITS);
}
else if (data[2] == 0x58 && data[3] == 0x08 && data[4] == 0x00) {
// read HFUSE
buffer[3] = boot_lock_fuse_bits_get(GET_HIGH_FUSE_BITS);
}
else if (data[2] == 0x50 && data[3] == 0x08 && data[4] == 0x00) {
// read EFUSE
buffer[3] = boot_lock_fuse_bits_get(GET_EXTENDED_FUSE_BITS);
}
else if (data[2] == 0x58 && data[3] == 0x00 && data[4] == 0x00) {
// read lock bits
buffer[3] = boot_lock_fuse_bits_get(GET_LOCK_BITS);
}
else if (data[2] == 0x38 && data[3] == 0x00 && data[4] == 0x00) {
// read calibration
buffer[3] = boot_signature_byte_get(0);
}
#endif
#ifdef ENABLE_CHIP_ERASE
else if (data[2] == 0xAC && data[3] == 0x80 && data[4] == 0x00 && data[5] == 0x00)
{
// chip erase, will erase all pages except the first page and the bootloader region
full_erase_requested = 1;
}
#endif
#ifdef ENABLE_WRITE_WHEN_TOLD
else if (data[2] == 0x4C && data[5] == 0x00)
{
// write memory page
// page is data[3] as MSB and data[4] as LSB
need_write_page = 1;
}
#endif
// all other commands are unhandled
return 4;
}
/*
else if ( req == USBTINY_SPI1 )
{
// I don't know what this is used for, there are no single SPI transactions in the ISP protocol
usb_maybe_finalizing = 1;
#ifndef ENABLE_WRITE_WHEN_TOLD
finalize_flash_if_dirty();
#endif
return 1;
}
*/
else if ( req == USBTINY_POLL_BYTES )
{
usb_maybe_finalizing = 1;
#ifndef ENABLE_WRITE_WHEN_TOLD
finalize_flash_if_dirty();
#endif
return 0;
}
CUR_ADDR = *((uint16_t*)(&data[4]));
remaining = rq->wLength.bytes[0];
if ( req >= USBTINY_FLASH_READ && req <= USBTINY_EEPROM_WRITE )
{
#ifdef ENABLE_LED_BLINK
OCR0B = 0x7F;
#endif
usb_has_activity = 1;
cmd0 = req;
if ( cmd0 != USBTINY_FLASH_WRITE ) {
usb_maybe_finalizing = 1;
#ifndef ENABLE_WRITE_WHEN_TOLD
finalize_flash_if_dirty();
#endif
}
return USB_NO_MSG; // usbFunctionRead() or usbFunctionWrite() will be called to handle the data
}
// do nothing if nothing done
return 0;
}
/** Event handler for the library USB Control Request reception event. */
void EVENT_USB_Device_ControlRequest(void)
{
static uint8_t success = 1;
uint8_t bmRequestType = USB_ControlRequest.bmRequestType;
uint8_t bRequest = USB_ControlRequest.bRequest;
//uint8_t wValue = USB_ControlRequest.wValue;
char data[51];
HID_Device_ProcessControlRequest(&Keyboard_HID_Interface);
if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE))
{
char lock;
uint16_t wLength = USB_ControlRequest.wLength;
char pw[32];
success = 1; /* default */
eeprom_read(ADDR_LOCK, &lock, 1);
if(lock == 0 || lock == 255)
lock = 0;
else
{
if(bRequest != OPENKUBUS_GET_NONCE && bRequest != OPENKUBUS_SET_TIMESTAMP && bRequest != OPENKUBUS_RESET)
{
success = 0;
return;
}
}
// read data
if(wLength)
{
Endpoint_ClearSETUP();
Endpoint_Read_Control_Stream_LE(data, MIN(sizeof(data), wLength));
Endpoint_ClearIN();
}
switch(bRequest)
{
case OPENKUBUS_SET_LOCK:
lock = 1;
eeprom_write(ADDR_LOCK, &lock, 1);
break;
case OPENKUBUS_SET_OWNER:
if(wLength)
eeprom_write(ADDR_OWNER, data, wLength);
else
success = 0;
break;
case OPENKUBUS_SET_COMPANY:
if(wLength)
eeprom_write(ADDR_COMPANY, data, wLength);
else
success = 0;
break;
case OPENKUBUS_SET_DESCRIPTION:
if(wLength)
eeprom_write(ADDR_DESCRIPTION, data, wLength);
else
success = 0;
break;
case OPENKUBUS_SET_ID:
if(wLength == 4)
eeprom_write(ADDR_ID, data, wLength);
else
success = 0;
break;
case OPENKUBUS_SET_TIMESTAMP:
if(wLength == 16)
{
aes256_ctx_t ctx;
memset(&ctx, 0, sizeof(aes256_ctx_t));
eeprom_read(ADDR_SEED, pw, sizeof(pw));
aes256_init(pw, &ctx);
aes256_dec(data, &ctx);
if(strncmp(nonce, data, sizeof(nonce)) == 0)
{
set_timestamp(array2int((uint8_t *)&data[12]));
update_nonce();
}
else
success = 0;
}
else
success = 0;
break;
case OPENKUBUS_RESET:
if(wLength == 16)
{
aes256_ctx_t ctx;
memset(&ctx, 0, sizeof(aes256_ctx_t));
memcpy_P(pw, MASTER_PASSWORD, sizeof(pw));
aes256_init(pw, &ctx);
aes256_dec(data, &ctx);
if(strncmp(nonce, data, sizeof(nonce)) == 0)
{
clear_eeprom();
wdt_enable(WDTO_15MS);
while(1);
}
else
success = 0;
}
else
success = 0;
break;
case OPENKUBUS_SET_SEED:
if(wLength == LEN_SEED)
eeprom_write(ADDR_SEED, data, LEN_SEED);
else
success = 0;
break;
case OPENKUBUS_SET_COUNTER:
if(wLength == LEN_COUNTER)
eeprom_write(ADDR_COUNTER, data, LEN_COUNTER);
else
success = 0;
break;
default:
success = 0;
break;
}
}
else if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))
{
uint8_t length = 0;
uint8_t i;
uint32_t temp32 = 0;
char c;
switch(bRequest)
{
case OPENKUBUS_GET_SUCCESS:
data[length++] = success;
break;
case OPENKUBUS_GET_NONCE:
for(i = 0; i < sizeof(nonce); i++)
data[length++] = nonce[i];
break;
case OPENKUBUS_GET_TEMPERATURE:
#ifdef RTC
data[length++] = rtc_get_temperature();
#else
data[length++] = 0xFF;
#endif
break;
case OPENKUBUS_GET_ID:
for(i = 0; i < LEN_ID; i++)
{
eeprom_read(ADDR_ID+i, &c, 1);
data[length++] = c;
}
break;
case OPENKUBUS_GET_TIME:
temp32 = get_timestamp();
data[length++] = temp32 >> 24;
data[length++] = temp32 >> 16;
data[length++] = temp32 >> 8;
data[length++] = temp32;
break;
case OPENKUBUS_GET_SERIAL:
for(i = 0x0e; i <= 0x18; i++)
data[length++] = boot_signature_byte_get(i);
break;
case OPENKUBUS_GET_DESCRIPTION:
for(i = 0; i < LEN_DESCRIPTION; i++)
{
eeprom_read(ADDR_DESCRIPTION+i, &c, 1);
data[length++] = c;
if(c == 0)
break;
}
break;
case OPENKUBUS_GET_COMPANY:
for(i = 0; i < LEN_COMPANY; i++)
{
eeprom_read(ADDR_COMPANY+i, &c, 1);
data[length++] = c;
if(c == 0)
break;
}
break;
case OPENKUBUS_GET_OWNER:
for(i = 0; i < LEN_OWNER; i++)
{
eeprom_read(ADDR_OWNER+i, &c, 1);
data[length++] = c;
if(c == 0)
break;
}
break;
default:
data[length++] = 0;
}
// send data
Endpoint_ClearSETUP();
Endpoint_Write_Control_Stream_LE(data, length);
Endpoint_ClearOUT();
}