diff options
| -rw-r--r-- | cores/arduino/CDC.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp index 22f3591..d694a2d 100644 --- a/cores/arduino/CDC.cpp +++ b/cores/arduino/CDC.cpp @@ -95,6 +95,7 @@ bool CDC_Setup(USBSetup& setup) // We check DTR state to determine if host port is open (bit 0 of lineState). if (1200 == _usbLineInfo.dwDTERate && (_usbLineInfo.lineState & 0x01) == 0) { + *(uint16_t *)(RAMEND-1) = *(uint16_t *)0x0800; *(uint16_t *)0x0800 = 0x7777; wdt_enable(WDTO_120MS); } @@ -107,7 +108,7 @@ bool CDC_Setup(USBSetup& setup) wdt_disable(); wdt_reset(); - *(uint16_t *)0x0800 = 0x0; + *(uint16_t *)0x0800 = *(uint16_t *)(RAMEND-1); } } return true; |