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Invalid CIO command (1) in the CIO buffer at address (0x200016ec) was not recognized

Stephen Hewitson
Intellectual 305 points

Other Parts Discussed in Thread: CCSTUDIO

Hi,

I know there are similar questions to mine, but nothing really answers it.

I am using CCS 5.2.1.00018, running code on a Stellaris Launchpad.

I am using fprintf(stderr, "text"); to output text through the debugger interface and into the CIO console inside CCStudio. This has been "working" until I wanted to use a timer interrupt in my code.

I used the timer code, unmodified, from the document "Getting Started With the Stellaris EK-LM4F120XL LaunchPad Workshop - Interrupts & Timers"

If I include the code TimerEnable(TIMER0_BASE, TIMER_A); whenever I call my prinft statement I get the error in the post title.

If I navigate to the area in the memory browser, the value is 1 regardless of the timer interrupt code.

Any ideas?