Suddenly cc-tool stoped working!

[heartinstaller]

This is what i did and ever-since then my CC2541mini DK is not getting recognised by the ccdebugger.
Please guide.

MacBook-Air Application code % cc-tool --test
Programmer: CC Debugger
Target: CC2541
Device info:
Name: CC Debugger
Debugger ID: 8662
Version: 0x05CC
Revision: 0x0044

Target info:
Name: CC2541
Revision: 0x13
Internal ID: 0x41
ID: 0x2541
Flash size: 256 KB
Flash page size: 2
RAM size: 8 KB
Lock data size: 16 B
MacBook-Air Application code % sdcc -mmcs51 --code-loc 0x0000 --data-loc 0x0000 --iram-size 256 -I /usr/local/share/sdcc/include -I . -o ledblink.hex main.c
main.c:24: warning 88: cast of LITERAL value to 'generic' pointer
from type 'long-int literal'
to type 'volatile-unsigned-long-int generic* fixed'
main.c:28: warning 88: cast of LITERAL value to 'generic' pointer
from type 'long-int literal'
to type 'volatile-unsigned-long-int generic* fixed'
main.c:34: warning 88: cast of LITERAL value to 'generic' pointer
from type 'long-int literal'
to type 'volatile-unsigned-long-int generic* fixed'
main.c:40: warning 126: unreachable code
MacBook-Air Application code % cc-tool --erase -w ledblink.hex
Programmer: CC Debugger
Target: CC2541
Erasing flash...
Completed
Writing flash (339 B)...
Completed (0.12 s.)
MacBook-Air Application code % cc-tool -t
Programmer: CC Debugger
No target detected