Codewarrior 10.4 breakpoints with USB Tap

doom_guy — Wed, 07 Aug 2013 20:46:35 GMT

OS - Win 7

Codewarrior version 10.4

Debugger - USB Tap

Processor - MC56F847x

I am having problems getting breakpoints to be hit in my application as well as codewarrior processor expert example applications. I tried the example projects when I found I could not get the breakpoints in main to be hit - I thought it may be an issue with my own application but the example projects also have the same problem. I can step through fine inside _EntryPoint() as seen below. For the debugger options I have set the Program execution to Stop at Startup on the Program entry point. I also tried user specified (main) but both yield the same result. I cannot get the breakpoints in the main function to be hit. The program executes successfully.

==========================================

The debugging starts at:

void _EntryPoint(void)
{
#pragma constarray off

/*** !!! Here you can place your own code before PE initialization using property "User code before PE initialization" on the build options tab. !!! ***/

/*** ### MC56F84789VLL "Cpu" init code ... ***/

/*** PE initialization code after reset ***/

/* Disable watchdog after reset based on the setting of the "Watchdog" property in CPU component */
/* COP_CTRL: ??=0,??=0,??=0,??=0,??=0,??=0,PSS=3,INTEN=0,CLKSEL=0,CLOREN=0,CSEN=0,CWEN=0,CEN=0,CWP=0 */
setReg16(COP_CTRL, 0x0300U);

/* System clock initialization */
setRegBitGroup(OCCS_OSCTL1, FREQ_TRIM8M, ((*(word *)0xE42C) & 0x03FFU)); /* Trim the 8MHz internal relaxation oscillator, frequency trim value */
clrReg16Bit(OCCS_OSCTL1, ROPD);      /* Enable internal 8MHz oscillator */
setReg16Bit(OCCS_OSCTL1, CLK_MODE); /* Select an external clock bypass mode */
setRegBitGroup(OCCS_CTRL, PRECS, 0U); /* Select an internal 8MHz clock source for the CPU core */
clrSetReg16Bits(OCCS_CTRL, OCCS_CTRL_PLLPD_MASK, OCCS_CTRL_LCKON_MASK); /* Enable PLL, LCKON and select clock source from prescaler */
/* OCCS_DIVBY: LORTP=2,COD=0,??=0,??=0,PLLDB=0x31 */
setReg16(OCCS_DIVBY, 0x2031U);       /* Set the clock prescalers */
while(!getRegBit(OCCS_STAT, LCK0)){} /* Wait for PLL lock */
setReg16Bits(OCCS_CTRL, OCCS_CTRL_ZSRC_MASK); /* Enable PLL, LCKON and select clock source from prescaler */
/* OCCS_PROT: ??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,FRQEP=0,OSCEP=0,PLLEP=0 */
setReg16(OCCS_PROT, 0x00U);          /* Set the OCCS protection register */
/*** End of PE initialization code after reset ***/

/*** !!! Here you can place your own code after PE initialization using property "User code after PE initialization" on the build options tab. !!! ***/

asm(JMP init_56800_); /* Jump to C startup code */
}

=============================================

Here it is fine I can step through, however after it goes to the asm(JMP init_56800_) then it starts to step into the 56F83x_init.asm. I have put in breakpoints in the main function as seen below but none of these breakpoints are hit even though the program executes successfully. Is there some setting I am missing?

Re: Codewarrior 10.4 breakpoints with USB Tap

TICS_Fiona — Thu, 08 Aug 2013 03:39:54 GMT

Please check whether you have disabled watchdog:

By default, the watchdog is enabled after target reset.

Re: Codewarrior 10.4 breakpoints with USB Tap

doom_guy — Thu, 08 Aug 2013 12:10:32 GMT

Hello - yes the Watchdog is set to disabled.

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Re: Codewarrior 10.4 breakpoints with USB Tap