Beginner MSP430 Help + Bluetooth module interfacing

TJ10751

Other Parts Discussed in Thread: MSP430F5438, MSP430F2274, CC1100, MSP430FG4618

Hi,

I'm new to prototyping with MSP and I need to interface a blugiga wt11 bluetooth module with an MSP430F5438. My understanding is that simply connecting the bluetooth modules Rx and Tx pins to the MSP's UART pin's would suffice. however would I need to implement RS232 flow control via the UART_CTS and UART_RTS pins of the bluetooth module? If so which pins should i connect these to on the MSP.

required

over 16 years ago

0 BrandonAzbell over 16 years ago

TI__Guru 64600 points

TJ said:

I'm new to prototyping with MSP and I need to interface a blugiga wt11 bluetooth module with an MSP430F5438. My understanding is that simply connecting the bluetooth modules Rx and Tx pins to the MSP's UART pin's would suffice. however would I need to implement RS232 flow control via the UART_CTS and UART_RTS pins of the bluetooth module? If so which pins should i connect these to on the MSP.

There is no hardware flow control support in the USCI of the MSP430F5438. However, you could implement something similar via other GPIO pins and provide software support for this.

0 TJ10751 over 16 years ago in reply to BrandonAzbell

Prodigy 185 points

Thanks Brandon,

I'll try to do this in software

0 supercuate over 16 years ago in reply to TJ10751

Prodigy 160 points

I have a model MSP430F2274, can communicate it with bluetooth?

Implementation:

Feature	Implementation
Bluetooth qualified	Bluetooth 2.0
Range	300m (free space)
Frequency	2.400 – 2.485 GHz
Max Transmit Power	+6dBm Class 1
Min Transmit Power	-27dBm
Data Interface	UART
Data Transfer rate	up to 300kbps
Multipoint	supported
Physical size	17.7 x 46 x 5.5 mm, 6g
Temperature Range	-40oC to +85 oC
Lead free	RoHS compliant
Power Supply	3.3V to 6.0V
Current consumption	Less than 30mA
Low power sniff mode	2.5mA typ
Field upgradeable	over UART

0 BrandonAzbell over 16 years ago in reply to supercuate

TI__Guru 64600 points

The MSP430F2274 can support a UART interface using the USCI_A peripheral. In the MSP430Fx2xx Family User's Guide (SLAU144) in Section 15.3.13, the typical buad rates are provided. It is possible to achieve up to 256Kbaud, but probably not 300kbps as indicated in your feature list.

0 supercuate over 16 years ago in reply to BrandonAzbell

Prodigy 160 points

thx Brandon

You know some bluetooth device for this component (msp430f2274)?

you have some code of example?

0 BrandonAzbell over 16 years ago in reply to supercuate

TI__Guru 64600 points

No, I don't have either. I am responding to your inquiries based on the information you are providing.

However, doing a quick search on Google, I found the following.

0 supercuate over 16 years ago in reply to BrandonAzbell

Prodigy 160 points

oki. THX Brandon

0 Jose Antony over 12 years ago in reply to TJ10751

Prodigy 30 points

Hi TJ,

I am trying to interface between MSP430FG4618 and Bluegigawt12 for sending data(data I can get from CC1100 radio in on board MSP430) into my apps .I took two gpio pins for the cts and rtc communication. But I have some problem , I thing it with my header files. Is necessary to connect these to pins (cts,rtc) into msp430. Did you successfully managed this in your software.?

Appreciate for your response,

Thank you.

0 Jose Antony over 12 years ago in reply to Jose Antony

Prodigy 30 points

Hai Tj,

Please get me some example codes for interfacing bluegigawt11 or 12 with msp430 or else get me some idea about bluetooth header files

thx.

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Beginner MSP430 Help + Bluetooth module interfacing