Re: Problem compiling ti example code...

Hey!
If you want, you can try msp430-gcc from MacPorts, you can get it binary, too. I use it almost daily and it works fine (with eZ430-Chronos).

Aljaž Srebrnič

Sent from mobile
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On 03/apr/2013, at 23:00, Einar Vading <[email protected]> wrote:

> I am trying to use mspgcc on my Mac, 10.8.3.
> 
> I have managed to build mspgcc but now I can't use it to build the examples
> from ti (for the launchpad).
> 
> This is the code:
> 
> //******************************************************************************
> //  MSP430G2xx1 Demo - Timer_A, Toggle P1.0-2, Cont. Mode ISR, DCO SMCLK
> //
> //  Description: Use Timer_A CCRx units and overflow to generate four
> //  independent timing intervals. For demonstration, CCR0 and CCR1 output
> //  units are optionally selected with port pins P1.1 and P1.2 in toggle
> //  mode. As such, these pins will toggle when respective CCRx registers
> match
> //  the TAR counter. Interrupts are also enabled with all CCRx units,
> //  software loads offset to next interval only - as long as the interval
> offset
> //  is aded to CCRx, toggle rate is generated in hardware. Timer_A overflow
> ISR
> //  is used to toggle P1.0 with software. Proper use of the TAIV interrupt
> //  vector generator is demonstrated.
> //  ACLK = n/a, MCLK = SMCLK = TACLK = default DCO ~1MHz
> //  As coded and assuming ~1MHz DCO, toggle rates are:
> //  P1.1 = CCR0 ~ 1MHz/(2*200) ~2500Hz
> //  P1.2 = CCR1 ~ 1MHz/(2*1000) ~500Hz
> //  P1.0 = overflow ~ 1MHz/(2*65536) ~8Hz
> //
> //               MSP430G2xx1
> //            -----------------
> //        /|\|              XIN|-
> //         | |                 |
> //         --|RST          XOUT|-
> //           |                 |
> //           |         P1.1/TA0|--> CCR0
> //           |         P1.2/TA1|--> CCR1
> //           |             P1.0|--> Overflow/software
> //
> //  D. Dang
> //  Texas Instruments Inc.
> //  October 2010
> //  Built with CCS Version 4.2.0 and IAR Embedded Workbench Version: 5.10
> //******************************************************************************
> 
> #include <msp430.h>
> 
> int main(void)
> {
>  WDTCTL = WDTPW + WDTHOLD;                 // Stop WDT
>  P1SEL |= 0x06;                            // P1.1 - P1.2 option select
>  P1DIR |= 0x07;                            // P1.0 - P1.2 outputs
>  CCTL0 = OUTMOD_4 + CCIE;                  // CCR0 toggle, interrupt
> enabled
>  CCTL1 = OUTMOD_4 + CCIE;                  // CCR1 toggle, interrupt
> enabled
>  TACTL = TASSEL_2 +  MC_2 + TAIE;          // SMCLK, Contmode, int enabled
> 
>  _BIS_SR(LPM0_bits + GIE);                 // Enter LPM0 w/ interrupt
> }
> 
> // Timer A0 interrupt service routine
> #pragma vector=TIMERA0_VECTOR
> __interrupt void Timer_A0 (void)
> {
>  CCR0 += 200;                              // Add Offset to CCR0
> }
> 
> // Timer_A2 Interrupt Vector (TAIV) handler
> #pragma vector=TIMERA1_VECTOR
> __interrupt void Timer_A1(void)
> {
>  switch( TAIV )
>  {
>  case  2: CCR1 += 1000;                    // Add Offset to CCR1
>           break;
>  case 10: P1OUT ^= 0x01;                   // Timer_A3 overflow
>           break;
> }
> }
> 
> 
> And to build it I use:
> 
> $ msp430-gcc -mmcu=msp430g2231 -o test.hex test.c -I
> /usr/local/msp430/include/ -L /usr/local/msp430/lib/ -T
> /usr/local/msp430/lib/ldscripts/msp430g2231/memory.x -T
> /usr/local/msp430/lib/ldscripts/msp430g2231/periph.x
> 
> Resulting in:
> 
> /usr/local/bin/msp430-ld: test.hex section `.init9' will not fit in region
> `ram'
> /usr/local/bin/msp430-ld: region `ram' overflowed by 10 bytes
> collect2: ld returned 1 exit status
> 
> Surely this code can't be to large to fit the device, so what am I missing?
> 
> 
> Thanks in advance.
> Einar
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