I am running Kinetis Bootlader 1.2 on TWR-K65F180M. How do I enable the debug_printfs? The board is flashed over USB SDA. I tried defining DEBUG within KDS. But couldn't find corresponding outputs either in KDS console or ACM.
I tried to include the utility files within hello_world example, which did not compile properly. I am hoping to resolve the compile errors. But wanted to check whether there is a simpler solution, which I failed to notice.
Many Thanks,
Tony
Hello Tony,
Please tell me what's mean about the "an alternative method." ?
And tell me which KDS version do you use ?
'"I tried to include the utility files within hello_world example, which did not compile properly." does it still have error , if yes, could you please
show the error on KDS ?
BR
Alice
Hello,
I have the same question, how do you get debug_printf() to work? I tried the IAR example. Also noticed none of the uarts are configured. I thought defining DEBUG would make it work but no luck.
I saw this comment in fsl_platform_common.h:
//! This print function will only output text when the @a DEBUG macro is defined.
But not sure what an @a DEBUG macro is.
Thanks,
Mark
Hello Mark,
Could you please tell me which demo proeject ？
The SDK demo ? the KBOOT demo ?
Also which board.
BR
Alice
Hi Alice
NXP_Kinetis_Bootloader_2_0_0 is the boot loader project
The board is either TWR-K22F120M or FRDM-K22F.
Thanks,
Mark
Hi Alice
You never came back and answered Mark on his question.
I have a similar problem, and would like to get printfs working for debugging.
I'm using the following tools and SDK for development.
KDS V3.2
KSDK 1.3
MQX 5.0
In the fsl_platform_common.h there is the following definition of a debug printf
#define debug_printf(x, ...) do {} while (false)
Obviously this does nothing as it simply loops forever. The only call to this method is from main, which has after bootloader_run();
debug_printf("Warning: reached end of main()\r\n");
There is also this definition...
#if (defined(DEBUG) || defined(_DEBUG)) && !defined(DEBUG_PRINT_DISABLE)
static inline void debug_printf(const char * format, ...);
//! @brief Debug print utility.
//!
//! This print function will only output text when the @a DEBUG macro is defined.
static inline void debug_printf(const char * format, ...)
{
va_list args;
va_start(args, format);
vprintf(format, args);
// Temporarily disable MISRA rule 14.2
#if defined(__ICCARM__)
#pragma diag_suppress=Pm049
#endif
va_end(args);
#if defined(__ICCARM__)
#pragma diag_default=Pm049
#endif
}
#else // (DEBUG || _DEBUG) && !DEBUG_PRINT_DISABLE
What is the @a DEBUG? and if I define my own DEBUG will debug_printf become operational?
How is the UART setup for printfs?
Regards
Jerome
Just to update, I have managed to get printfs working using the example code. But am still keen to know if there is an alternative method..