Added support for ATmega2560 and ATmega2561 chips

Author: StoneLabs

README.md

@@ -56,8 +56,8 @@ Aside from the programmer, there is target PCB design under `schematics-target`.
 |  ![#FFA500](https://via.placeholder.com/15/FFA500/000000?text=+) | ATmega16U2    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega645     |
 |  ![#FFA500](https://via.placeholder.com/15/FFA500/000000?text=+) | ATmega16U4    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega6490A   |
 |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega16      |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega6490P   |
-|  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega2560    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega6490    |
-|  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega2561    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega649A    |
+|  ![#FFA500](https://via.placeholder.com/15/FFA500/000000?text=+) | ATmega2560    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega6490    |
+|  ![#FFA500](https://via.placeholder.com/15/FFA500/000000?text=+) | ATmega2561    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega649A    |
 |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega324A    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega649P    |
 |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega324PA   |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega649     |
 |  ![#FFA500](https://via.placeholder.com/15/FFA500/000000?text=+) | ATmega324P    |  ![#f03c15](https://via.placeholder.com/15/f03c15/000000?text=+) | ATmega64A     |

firmware-programmer/src/programmer/signatues.h

@@ -45,6 +45,8 @@ const Signature signatures[] PROGMEM =
       { { 0x1E, 0x96, 0x08 }, "ATmega640",   0x10000UL,   0x400U,   0x100UL, highFuse,   false,   0b10000000, 0b01100000},
       { { 0x1E, 0x97, 0x03 }, "ATmega1280",  0x20000UL,   0x400U,   0x100UL, highFuse,   false,   0b10000000, 0b01100000},
       { { 0x1E, 0x97, 0x04 }, "ATmega1281",  0x20000UL,   0x400U,   0x100UL, highFuse,   false,   0b10000000, 0b01100000},
+      { { 0x1E, 0x98, 0x01 }, "ATmega2560",  0x40000UL,   0x400U,   0x100UL, highFuse,   false,   0b10000000, 0b01100000},
+      { { 0x1E, 0x98, 0x02 }, "ATmega2561",  0x40000UL,   0x400U,   0x100UL, highFuse,   false,   0b10000000, 0b01100000},
 
     // AT90USB family
       { { 0x1E, 0x93, 0x82 }, "At90USB82",    0x2000UL,   0x200U,    0x80UL, highFuse,   false,   0b11000000, 0b00100000},

firmware-uim/src/signatures.h

@@ -22,6 +22,8 @@ const Signature signatures[] PROGMEM =
       { { 0x1E, 0x96, 0x08 }, "ATmega640"  },
       { { 0x1E, 0x97, 0x03 }, "ATmega1280" },
       { { 0x1E, 0x97, 0x04 }, "ATmega1281" },
+      { { 0x1E, 0x98, 0x01 }, "ATmega2560" },
+      { { 0x1E, 0x98, 0x02 }, "ATmega2561" },
 
     // AT90USB family
       { { 0x1E, 0x93, 0x82 }, "At90USB82"  },