Bypass the on-off switch SW_MSPONOFF

Mehrdad Abolbashari76

Prodigy 75 points

Other Parts Discussed in Thread: DLPDLCR4710EVM-G2

Hi there,

Is there anyway to bypass on-off switch, either in hardware or software?

Is there a document to show the map for the connectors, headers and the switches on the 4710 board?

over 7 years ago

0 Nadine Estermann over 7 years ago

TI__Genius 10475 points

Hello User,

Thank you for your interest in our DLP Technology. May I ask which DLPDLCR4710EVM you have purchased ? We just recently switch to the DLPDLCR4710EVM-G2 which enables the capability of driving the LEDs at 16A for Green/Blue and 12A for Red.

You can bypass the hardware switch by modifying the MSP430 code which is available online for customers.

We have for both 4710EVMs the schematic online available.

Best regards,

Nadine

0 Mehrdad Abolbashari76 over 7 years ago in reply to Nadine Estermann

Prodigy 75 points

Thank you for quick response. We have the first generation.
Do you have the link to show how to modify the MSP430 code to bypass ?
Are the labels on the schematics the same as the names that are used in user guide (page 6)?

Regards,
Mehrdad

0 Nadine Estermann over 7 years ago in reply to Mehrdad Abolbashari76

TI__Genius 10475 points

Hello Mehrdad,

The schematic can be found under following link:

www.ti.com/.../tida-00576

The User's Guide is matching with the schematic.

We don't have a modification for the MSP430 since we are using the hardware switch. The switch is connected to one input of the MSP430 and Proj_ON (another GPIO of the MSP430) will be driven High or Low depending on the switch input.

You can just modify the code that the input of the switch will be ignored. Please also note that for a proper power down of the DMD Proj_ON should be driven low before the power removal.

Best regards,

Nadine

0 Mehrdad Abolbashari76 over 7 years ago in reply to Nadine Estermann

Prodigy 75 points

Hi Nadine,

Thank you again for the quick response.
Can you send me the link to the MSP430 code which you mentioned is available online for customers.

Regards,
Mehrdad

0 Nadine Estermann over 7 years ago in reply to Mehrdad Abolbashari76

TI__Genius 10475 points

Hello Mehrdad,

The MSP430 can be downloaded under following link:

www.ti.com/.../dlpdlcr4710evm

Best regards,

Nadine

0 Sangjo Han over 7 years ago in reply to Nadine Estermann

Prodigy 100 points

Nadine,

With your help, I succeed to communicate with DLP4710EVM G2.

Now I have same problem to bypass the software switch on MSP430.

In previous post, you mentioned that it is possible to modify the code for MSP430. What I want is that when the main power is on, the DLP4710EVM-G2 turns on without press the push button switch.

Please let me know where I can get the firmware for it.

Thanks in advance.,

Sangjo

0 Nadine Estermann over 7 years ago in reply to Sangjo Han

TI__Genius 10475 points

Hello Sangjo,

The switch can be easily bypassed by setting P1.0 always High.

The MSP430 is available under following link :

Best regards,

Nadine

0 Sangjo Han over 7 years ago in reply to Nadine Estermann

Prodigy 100 points

Nadine,

Thank you for prompt response.

I got the MSP430 code and know where I have to change in the code.

But I don't know what IDE or compiler I have to use to make a firmware with MSP430 code.

I found "Code Composer Studio for MSP microcontrollers" in TI site . Is that the tool which I need to compile the code and make firmware?

Please let me know how to start with MSP430 code.

Sangjo

0 Nadine Estermann over 7 years ago in reply to Sangjo Han

TI__Genius 10475 points

Hello Sangjo,

Yes correct you can modify the code with code composer available on following page:

You would also need a MSP430 USB Debugger to be able to program the new code. The debugger is available on following page:

Thanks,

Nadine

0 Sangjo Han over 7 years ago in reply to Nadine Estermann

Prodigy 100 points

Nadine,

Thank you for message.

I just ordered the USB debugger from TI. After it arrives, I will try to modify the MSP430 code.

Sangjo

0 Nadine Estermann over 7 years ago in reply to Sangjo Han

TI__Genius 10475 points

Sangjo,

Ok let me know if you have any further questions.

Thanks,

Nadine

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Bypass the on-off switch SW_MSPONOFF