I must be missing something, probably an include
IFG2 and both UCA0 are reported as undeclared.
I added stdio.h, stdint.h and signal.h, and even dsiroky's onewire.h,
with no success
I will try a fresh install of the msp430 toolchain, maybe a newer
version has the stuffs.
Thanks!
On 11/16/2012 01:24 PM, Robert Henig wrote:
> You don't need to install the IAR or CCS. Just extract the sample programs
> from them.
>
> int putchar(int c) {
>
> while (!(IFG2&UCA0TXIFG));
> UCA0TXBUF = c;
> return 1;
> }
>
> Bob.
>
>
> On Nov 16, 2012, at 11:19 AM, Yama Ploskonka wrote:
>
>> Bob,
>>
>> I am afraid that the platform I work on does not give me room for IAR or CCS.
>> I can ONLY depend on Terminal-like utilities, under Linux.
>>
>> How do I write putchar? The examples I see when googling putchar() seem to
>> mean it is a built-in thing?
>>
>> I have found several examples of printf() for msp430-gcc, where the author
>> wrote something like "To Be Developed"...
>>
>> Thank you!
>>
>> Yama
>>
>> On 11/16/2012 01:15 PM, Robert Henig wrote:
>>> You can find code samples in either the IAR Workbench download or the CCS
>>> download from here:
>>> http://www.ti.com/lsds/ti/microcontroller/16-bit_msp430/8-bit_value_line.page?DCMP=D_MCU_MSP430_MSP430&CMP=KNC-GoogleTI&247SEM
>>>
>>> You need to write the putchar() function yourself for printf() to work.
>>>
>>> Bob.
>>>
>>>
>>> On Nov 16, 2012, at 11:02 AM, Yama Ploskonka wrote:
>>>
>>>> Hi Bob,
>>>>
>>>> my apologies. Part of my problem is that I don not know WHAT to ask, and
>>>> there are so many possibilities, while the ones I tested do not seem to
>>>> work. TI has code for their tools. I need to manage just from ZLinux
>>>> Terminal, with mspdebug and msp430-gcc
>>>>
>>>> not meaning to have someone do my work for me, would you be so kind to
>>>> point me to a specific example/URL where I could find such echo program,
>>>> that would run from Terminal, with mspdebug and msp430-gcc?
>>>> I have been looking for days now...
>>>>
>>>> I am using the USB cord. Is that relevant to what you say about "level
>>>> shifter"? sorry, noob here.
>>>>
>>>> as to putchar(), I get /
>>>> undefined reference to 'putchar'/
>>>> when I run msp430-gcc. Maybe I am missing some include?
>>>> sorry again, and thanks!
>>>>
>>>> On 11/16/2012 12:34 AM, Robert Henig wrote:
>>>>> Hi Yama,
>>>>>
>>>>> I'm not sure what you're asking for here. You should be able to find
>>>>> sample UART code on the TI site. There are samples in the Launchpad
>>>>> download package. The code is a simple echo program that echos characters
>>>>> received back to the terminal. Get that working before you play with
>>>>> printf(). If you're using a Launchpad and hooking the rx and tx to a
>>>>> serial port on a computer you'll need to use a level shifter on the
>>>>> signals. Search for 'rs232 level shifter' on the web.
>>>>>
>>>>> To get printf() to work you need to provide a putchar() function.
>>>>>
>>>>> Bob.
>>>>>
>>>>>
>>>>> On Nov 15, 2012, at 9:18 AM, Yama Ploskonka wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> Please help me figure out UART using a Launchpad, and Linux!
>>>>>>
>>>>>> It might be something obvious that I am missing somehow, after several
>>>>>> days hunting.
>>>>>>
>>>>>> the goal: transfer data (text) to an MSP430 on the Launchpad, which then
>>>>>> is used there as input for some further processing
>>>>>> AND
>>>>>> get feedback from the MSP430 that gets displayed in the host computer -
>>>>>> ideally in such a form that can be used as input for something running
>>>>>> there.
>>>>>>
>>>>>> printf() seems to be a major issue in the middle of all this.
>>>>>>
>>>>>> I routinely manage things with msp230-gcc, mspdebug, from Terminal.
>>>>>>
>>>>>> Thank you!
>>>>>>
>>>>>> Yama the Perpetual Noob (and oh so appreciative to y'all)
>>>>>>
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