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TMDSDOCK28335: Error connecting to the target

Part Number: TMDSDOCK28335

Dear experts,

I have been using TMDSDOCK28335 with MATLAB R2017b with  MATLAB target hardware resources/build options as follows;

Build action:Build,load and run, boot from flash (stand alone execution)

Connection:USB

I used to build the  MATLAB circuit with EPWM block by Ctrl+B option and it was working fine (I was getting PWM pulses  at the respective GPIO pins) till yesterday. Currently when I am using, Ctrl+B command, PWM pulses are not coming at the GPIO pins. When I am connecting TMDSDOCK28335 (by USB) into system, only two LEDs are glowing now (LD1 from docking station and LD1 from control card).

I have tried to connect TMDSDOCK28335 by CCS (in another computer) instead of MATLAB and I am getting the following errors: (please find the attached screen shots)

(1) Error connecting to the target:

(Error-1015@0*0)

Device is not responding to the request. Device may be locked, or the debug probe connection maybe unreliable. Unlock the device if possible (e.g: use wait in reset mode, and power-cycle the board). If error persists, confirm configuration and/or try more reliable JTAG settings(e.g:lower TCLK)

Emulation package (8.2.0.00004)

(2) Error connecting to the target:

(Error-1135@0*0)

The debug probe reported an error. Confirm debug configuration and connections, reset the debug probe, and retry the operation.

Emulation package (8.2.0.00004)