The MSP430 is a Texas Instruments low-power microcontroller family.

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PIC24 or MSP430 [on hold]

This is my first question in this forum, so kindly go easy on me. So As the title suggests I would appreciate if someone helps me to decide which mcu will be better for my application. I've been using ...
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1answer
54 views

#10269 output file exceeds code size limit

Using Code Composer Studio and MSP430F5438A I get that error when compiling, but if I randomly delete some lines of the code, it will work fine. The problem is that I have not finished yet and there ...
4
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106 views

History of the MSP430

This question crossed my mind today. What is the history of the MSP430? When did it start, what did it evolve from, why was it made (i.e. what goals was it trying to achieve/what technical ...
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36 views

MSP430 PWM Dead-Time

According to the internet, the MSP430 has no hardware implemented to maintain proper PWM dead-time as the PWM duty cycle is modified. Apparently (and also according to the internet) this feature can ...
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33 views

Configuring input on MSP430?

I've been trying to get 2 input push-buttons working on my MSP430 FF529. I've been successful with 1, but not the other, which leads me to think the one not working is broken, since I'm doing the ...
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46 views

MSP430F5529 & Bluetooth module data transfer over UART issue

I'm taking analog input from a sensor and feeding it to the in-built 12-bit ADC on the MSP430. The ADC code tested by itself is performing the A-D conversion correctly and outputting the values as ...
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1answer
58 views

RS485 network failing on replacing SP485 chip with MAX485

I have created an RS485 communication network as shown below. {PC}->[FT232->RS485](120 ohm)<----twisted pair(2 wires)------>(120 ohm)[RS485 -> MSP430] Here PC acts as Master and sends the data ...
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1answer
42 views

MSP430 USCI - Are the interrupt flags still active when interrupts are explicitly disabled

I am using an MSP430 USCI in SPI mode. I would like to confirm my understanding of this: If UCTXIE and UCRXIE are explicitly disabled when the interface is initialized after UCSWRST is cleared the ...
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1answer
68 views

How to blow the MSP430 security fuse

We are making a production product using the MSP430G2231 and want to keep the code a secret. I have searched online and found out that blowing the security fuse disables access to the MCU. Could ...
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7answers
961 views

3 Hz from a watch crystal

I have a stepper motor which step angle is 2 degrees. I want to display seconds using a needle attached to this stepper. The watch crystal divides nicely to produce 1Hz pulses, so every second I can ...
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50 views

MSP430 mspdebug eclipse plugin showing wrong values

I'm using eclipse CDT Kepler with MSP430 plugin from xpd (http://forum.43oh.com/topic/1419-eclipse-plugin-for-mspdebug-and-msp430-gcc/) on Xubuntu Linux 14.04 x64 I took msp430gcc compiller and ...
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1answer
36 views

Sample externally powered analog sensor with TelosB

This is a newbie question so forgive me for its simplicity I have a FIGARO TGS 2602 Air Contaminant Sensor and would like to sample its analog output using TelosB which is powered by 3V-3.6V max ...
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2answers
137 views

Where is the C API reference for the MSP430? CCS version

I see a lot of sample code and tutorials, but where is it documented that symbols (defines) such as P1OUT and P1DIR are ...
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2answers
326 views

Why do programs stop watchdog timer on MSP430?

Many sample programs for the MSP430 have their first line as: WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer Why do they do this?
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2answers
51 views

MSP430 Pin Variables

I am trying to program an MSP430FR5969 for the first time. I successfully executed and modified a program to blink one of the LEDs connected to P1.0. The relevant predefined variable is P1OUT. The ...
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190 views

Interfacing MSP430 Launchpad with OmniVision Camera Module?

I have seen that it is possible to interface an OmniVision OV2640 camera module with Ardiuno Uno. Would it be possible to interface this Camera Module with an MSP430 Launchpad board to get a video ...
2
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1answer
147 views

MSP430 printf function executes too slow [closed]

I try to use Sky mote (MSP430 F1611 + CC2420) to read the data from I2C sensor with 100Hz sampling frequency and write the data to serial port (USB). I tried a couple of tests and realized that the ...
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282 views

Creating operational MSP430G2553 in Proteus

I'm a bit outside of my experience level with this one. I am attempting to simulate a circuit utilizing the MSP430G2553 in Proteus 8. However, that model is not included in any of the libraries that ...
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2answers
327 views

msp430g2553, how can I get a UART baud rate higher than 9600?

I have an msp430g2553 in its launch pad. I have tried using a baud rate of 19200 with the UART and I get gibberish. From what I have found, something with the launchpad or drivers limits the UART baud ...
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2answers
79 views

Is there a way to prevent code being read from an MSP430 without blowing the fuse?

I was recently involved at a project in a small company where we had fears of someone taking the code from the master chip, an MSP430F2419, and using it for a competing product. We ended up blowing ...
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3answers
790 views

UART Polling vs Interrupt

I have two UART ports on an MSP430 that need to stream data between a Host Controller (Freescale IMX6) and potential devices ...
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1answer
138 views

What happens when we write delay instruction twice continuously in an MSP430?

What happens when we write a delay instruction twice continuously in MSP430 code as follows: ...
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1answer
717 views

Internal temperature sensor for the MSP430 - energia

I'm trying to use the internal temperature sensor for the MSP430G2553 with energia (a branch of arduino for the TI MSP430 microcontrollers) but to I'm having trouble calibrating it. The solution I've ...
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1answer
255 views

Moving SP and PC using inline assembly in MPS430-GCC

I am writing a simple task scheduler for my MSP430F5529 USB launchpad. I need to update stack pointer(SP), then enable interrupts and then update program counter (PC). But I am getting an error with ...
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3answers
264 views

Good flag practices - energia msp430

I'm making a program for the msp430 using energia launchpad, the first code that I had is the following: ...
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1answer
85 views

Power consumption - Energia Launchpad

I'm working with energia for the launchpad 430 and have a rather specific question to make: is example A the equivalent in power consumption has example B, or is it that B drains more power? Thank ...
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2answers
128 views

MSP430 blinking led

I started using MSP430 Launchpad and as I was examining the code for blinking a led I found something odd. The code is this and is a ready example: ...
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114 views

Reading Manchester coded data from MSP430 to Android (samsung S3)

I am trying to send digital data from MSP430 to Android phone (Samsung S3) via Mic (headphone jack). I have checked the encoding from MSP430 on oscilloscope and it looks fine [Square wave] with a ...
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3answers
165 views

Why is MSP430's Stack Poniter(SP) always alligned to even address?

While I was reading through the MSP430's User's guide, I came to know that its stack pointer is alligned to even address. (Read Pg.189 of http://www.ti.com/lit/ug/slau208m/slau208m.pdf) Why is it so ...
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1answer
206 views

Launchpad MSP430 incremental blink with button

I'm new with this. I'm trying to make an incremental blinking LED with every time that I push the button, I'm using Energia and Launchpad MSP430, I don't know if somebody can give a example code to do ...
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2answers
223 views

How do professionals deal with prototyping?

Prototyping with real components is very time consuming. In order to save time, I have been looking for a digital circuit simulator, compatible with the MSP430, with no success. How do professionals ...
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164 views

Lots of solder around microcontroller pins--causing issues?

My microcontroller (MSP430G2553) is in a 20 pin socket setting so I did not solder while the microcontroller was in the socket (there was no heat damage). But I did add a lot of solder to at least 6 ...
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123 views

MSP430 GPIO behaviour on power off

I have a simple circuit which contains an MSP430 connected to a DAC8551. I'm using PORT1 so have implemented a bit-banging approach instead of using the USCI module (bad, I know). I've noticed a ...
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213 views

push button issues for MSP430g2553

My circuit is the schematic above, I just recently added the push button in the bottom left (P2.3) and my code goes to crap and I'm receiving/sending junk over UART when P2.3 is no where near the ...
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1answer
329 views

driving 4 RGB LEDs with PWM using MSP430

I have a project in which I must drive 4 RGB LEDs using PWM directly from the MSP430. They are separated in two groups of 2 LEDs (1 PWM connection controls one color element of two LEDs) which means I ...
4
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1answer
162 views

What is Analog and Digital supply voltage

Currently I have start working on MSP430 Controller and found that there are 4 pins for the supply voltage viz. AVcc, DVcc, AVss, DVss. These are used as analog supply voltage and Digital supply ...
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2answers
105 views

How to make AC signal's level proper for MCU input?

I'm working on a frequency counter coursework, where I use MSP430 MCU. I have to measure signals with specifications: frequency from 0.1 Hz to 1 MHz and signal's amplitude from 0.1V to 10V. The ...
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1answer
546 views

How to make a digital clock using MSP430G2553?

I want to make a digital wall-clock as a small electronics project. Since I am very new to this stuff I want to just try to imitate some already completed projects so that I can learn from them. I ...
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1answer
101 views

Connections on RN42 v2

So a few months back, I asked about how to connect a RN42. I finally built the circuit, which is basically a copy of the schematics on the right side of this pdf: ...
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1answer
304 views

SD card access slows down with many files

I'm working on a data logger application using a MSP430F5529 running at 2 MHz and a SD card using FatFs. The SPI interface is already running at maximum frequency. However I am seeing very erratic ...
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2answers
204 views

Can I program a MSP430553 IC using the TIVA C development board?

I have a few MSP430G2553 ICs. Can TIVA C board (EK-TM4C123GXL) used to program the ICs as I need to buy it for a online class I am about to take ???? If yes, please specify the method to be followed.
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2answers
126 views

Interfacing two devices using transistors

I have a microcontroller and a small video/still "spy" camera (like these) that came in a case disguising it as a car remote. The microcontroller is a TI MSP430 value line model, though I could use an ...
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1answer
110 views

Implementing Multichannel ADC conversion and transfer data to PC [closed]

I have developed a system using the TI MSP430 G2553 that accomplishes analog to digital conversion of multiple sensors simultaneously. So here is the question: Can someone suggest me how to ...
4
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1answer
139 views

Changing voltage levels from 5V to 3.3 V [duplicate]

I am asking some basic questions here. I have a sensor whose voltage specs are 0-5V and I have to interface this with my TI MSP430's ADC, whose voltage Vcc is 3.3V . For this I have to convert the ...
4
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2answers
396 views

MSP430: how to let the timer ISR interrupt the Serial RX ISR?

I am working on a MSP430 connected to the PC via serial. The MSP430 also communicates with some other boards using a bit-banged serial interface. I'm using the timer peripheral to bit bang the serial, ...
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1answer
113 views

Programming CC430F5137 using another microcontroller

I have a CC430F5137 and the board schematic all ready for my application to that requires capturing data over bluetooth. I wish to program the CC430F5137 using another platform except the conventional ...
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290 views

Transfering my arduino/TI-MSP430 Launchpad/Energia skills to real world projects and C

I'm learning electronics/microcontroller programming through TI-MSP430 Launchpad(Energia) and Arduino. Both are based on wiring framework, and very good place to start for a beginner like me. Now as ...
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1answer
275 views

MPS430 Launchpad Keypad

I tried to use my MSP430G2553 launchpad with a keypad using http://www.pjrc.com/teensy/td_libs_Keypad.html http://bildr.org/2011/05/arduino-keypad/ ...
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214 views

MSP430 launchpad LCD problem

I am trying to interface my MSP430G2553 launchpad with an LCD but my characters look weird. I am using http://www.fibidi.com/arduino-lcd-16x2-characters/ with one potentiometer , with changing ports ...
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273 views

Launchpad blink with button

I am trying to make LED in MSP430G2 Launchpad keep blinking / off with button like Switch example (http://www.arduino.cc/en/Tutorial/Switch) in Arduino/Energia but I seem to miss something stupid and ...