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MSP430FR2633: Don't call CAPT_appHandler() for 500ms

June 17, 2019, 3:41 am
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Part Number:MSP430FR2633

Hi,

My customers want to make CAPT_appHandle () time not to call 500ms due to product specification.

Question:
CAPT_appHandle () should be executed regularly, but is it okay if you don't call 500ms?

Regards,

Rei

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MSP430FR2633: About the CAPT_testForMaxCountRecalibration

June 17, 2019, 4:17 am
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Part Number:MSP430FR2633

Hi,

When does CAPT_testForMaxCountRecalibration in CAPT_Touch.h become "True"?

(When g_bMaxCountErrorFlag becomes 1?)

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CCS/MSP-FET430UIF: MSP430FR5728

June 17, 2019, 4:36 am
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Part Number:MSP-FET430UIF

Tool/software: Code Composer Studio

Hi,

I have question concerning the recommended connection of the /RST/NMI input of the MSP430FR5728. Refering page 40 of SLAU272C there is a pullup resistor of 47K to Vcc and a pull-down capacitor in the range of 10 nF downto 2.2 nF recommended. We are using in our design a combination of 47K to Vcc and 2.2 nF to Ground. On some boards the 2-wire JTAG communication runs and other boards it does not run. The MSP430 Hardware User Guide (SLAU278AE) recommend under conditions which are refering to some EVMs a capacitior of 1.1nF.  If the JTAG is not connected this capacitor determines the RESET timing of the MSP.  A variation of the capacitor in range from 1.1nF upto 10nF infuences the time constant by a factor of 10.

What is the recommended value for this capacitor?

Thanks in advance for a quick answer.

Ulrich

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MSP430FR2433 : How to turn on LEDs using the example source provided on the 'MSP-EXP430FR2433 Launchpad' board.

June 17, 2019, 5:42 am
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Part Number:MSP430FR2433

Currently I am using msp430fr2433 launchpad development kit(MSP-EXP430FR2433).

I checked 5v by connecting USB port of eZ-FET Debug Probe.
And Led102(on Demo board) glowed yellow color.
But, 3.3v is not checked anywhere on the board.

(I think... Supply eZ-FET USB Power and this power rail to 3.3 V for eZ-FET operation.)

In addition, I used the blink led example provided on the Ti homepage. And tool is iar7.2for msp430.
The IAR tool looks like board is debugging.(Attach picture)

What am I doing wrong? What should i do to use 3.3V?

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MSP430FR5739: How to set up ADC on MSP430

June 17, 2019, 5:46 am
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Part Number:MSP430FR5739

Hi,

I'm attempting to implement ADC inputs on 4 MSP430 pins. I figured out how to do GPIO pins by using the PxDIR registers to set outputs, and now I need to set some ADC inputs.

I've looked up tutorials, but many make use of the "ADC10AE0" register, which doesn't appear to exist on this variant of the MSP430.

Could anyone talk me through how I'm supposed to attach an ADC input to a particular pin? I want to be able to take inputs on P1.1, P1.2, P1.3, and P1.4.

I've tried looking at the code examples in the CCS Resource Explorer, but I don't understand what each control register is for. I don't see exactly where it defines what pin is being sampled, for example. Also, many of the examples make use of interrupts, which is not a capability I need. I just need to read an analog value. That's literally it.

I'm used to working in Arduino where it's as simple as analogRead(pin), so this is all very new to me so I'd appreciate an explanation as simple as possible. Even if someone could give some search terms that would lead me to the proper ADC documents (which don't use the ADC10AE0 register) that would be a big help.

Thank you!

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MSP432E401Y: rtc on MSP432E401Y?

June 17, 2019, 6:32 am
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Compiler/BOOSTXL-SHARP128: Bitmaps on LCD Sharp BoosterPack 128 display with Energia

June 17, 2019, 10:18 am
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Part Number:BOOSTXL-SHARP128

Tool/software: TI C/C++ Compiler

Hi, I am working with LCD Sharp BoosterPack 128 display and MSPEXP430F5529LP board. How I can show bitmaps on LCD Sharp BoosterPack 128 display with Energia? I included Gamebuino-Meta.h library but got the error " Error compiling for board MSP-EXP430F5529LP". Can anyone help me out? 

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MSP430F5659: MSP430F5659 Failure Issue

June 17, 2019, 12:46 pm
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Part Number:MSP430F5659

Hi TI team,

We are working on MSP430F5659 based controller with USB CDC application.

Our Product Details: 

Our issue is at some point of time microcontroller(msp430f5659) is spoiling. It happened in three boards. 

At this failure scenario DVCC to Ground is shorted.

It is very critical issue for us. We need your support on priority for this issue. If  required we shall send 3 failed MCU for further investigation.

Please revert back on priority.

Thanks and Regards

Manoj

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MSP432E401Y: New MSP432 design, start-up problems

June 17, 2019, 1:00 pm
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Part Number:MSP432E401Y

I am working on a PCB design using this device, copying all the basic micro-controller circuit from the EXP Eval board schematics.

After assembling a first article, we have been unable to communicate with the chip via the JTAG port.

It's very likely that I missed something in copying the reference design, but I can't see it, and need some expert help.

Is there a way to attach a schematic (PDF file), for a start?

Thanks!

Dave

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EVM430-FR6043: Signal amplitudes, pulse-echo, LED addition

June 17, 2019, 1:00 pm
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Part Number:EVM430-FR6043

Hi.

I have a few questions about the EVM board and the firmware. 

First of all, what would be the easiest way to add an LED to the board that would blink every 1L of gas that has gone through the meter? The display can display the volume, so it is stored somewhere in the memory, and using an LED shouldn't be a problem. Could you point me at the part of the code I would need to look at and maybe a LED that I could potentially use or a place where I could add one?

Secondly, using the default board layout, jumpers and transducer connections with my own 500kHz transducers I am able to obtain quite high receive signal amplitudes and SNR and have to use -3 to -6db (set in the USS GUI). It is working well, but perhaps I would be able to achieve even higher accuracy if I could use a different AFE / detection algorithm? As far as I understand from the code, the 4 algorithms (Lobe, Hilbert, Lobe-wide and Hilbert-wide) come in precompiled libraries and I cannot have a look/change those? If not, please point me at the file that I should be looking at.

Lastly, can the board operate in pulse-echo mode (transmitting and then receiving with the same transducer)?

Thank you in advance,

Kostyantyn

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MSP430FR2311: SBW level shifting

June 17, 2019, 7:23 pm
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Part Number:MSP430FR2311

Does anyone have any recommendations on parts to level shift the Spi-by-wire level interface from 3.3V to 3.0V?  The tricky part appears to be the bi-directional communication.

Thanks

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RTOS/MSP432E401Y: HTTP or FTP transfer TI-RTOS base example of MSP432E401Y

June 17, 2019, 7:50 pm
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Part Number:MSP432E401Y

Tool/software: TI-RTOS

hi,

as the title, does TI have the sample project based on TI-RTOS?

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RTOS/MSP432E401Y: Some questions about the bootloader(FLASH base)

June 18, 2019, 12:24 am
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Part Number:MSP432E401Y

Tool/software: TI-RTOS

we're trying to develop TFTP client download and upgrade msp432e4 but encountered several problems:
1. using the example project of mqttclient in MSP432E4 SDK, does this TI MQTT sample project include(be generated) the bootloader after compiling(build)? If yes, where is the source code of the bootloader?

2. If you use the bootloader to do Update, do you have to burn the bootloader and APP separately during production?
3. We checked some information and saw that the location of the restart app can be directly specified in the no rtos sample. The example API is as follows, but it makes my MSP432 stop running when I use this API in my TI RTOS project. Does there any example of using this API in TI-RTOS way?
   
Void CallApplication(uint_fast32_t ui32StartAddr)
{
HWREG(NVIC_VTABLE) = ui32StartAddr;
  __asm(" ldr r1,[r0]\n"
          "mov sp, r1\n"
)

__asm("ldr r0,[r0,#4]\n"
          "bx r0\n");
}
The test steps are as follows
1. build two app code, start address is set at 0x4000 and 0x30000 respectively
2. Modify the bootloader test to confirm that you can bring this 0x4000 or 0x30000 APP.
3. Use the APP with CallApplication function and hope to restart another APP, for example
Execute the app with start address 0x4000 and call function in APP
CallApplication(0x30000);
The system stops and stops executing.
thus, we need an TI-RTOS base example project with using this API, thank you.
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CAPTIVATE-FR2633: resistors used on Board to Captivate elements

June 18, 2019, 12:36 am
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Part Number:CAPTIVATE-FR2633

Hello,

Which resistors are used on the CAPTIVATE-FR2633 to the CAP Pins?

Which resistors are recommended?

I have sliderpcbs which have 560 ohm resistors, can i directly plug them in the CAPTIVATE-FR2633 or do I have to desolder the resistors on the prototyping kit?

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MSP432E401Y: How to delete line by line in text file using c

June 18, 2019, 1:02 am
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Part Number:MSP432E401Y

Hello!

I am searching for a function  that delete the line from the file after i have read that line.

I am trying to read line and delete it from file simultaneously.

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MSP430FR2633: Lower Lta

June 18, 2019, 1:14 am
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Part Number:MSP430FR2633

Hi

My customers use a custom board with the MSP430FR2633 and a capacitive touch sensor(CapTIvate).
They are plagued by the problem of proximity sensor false detection.
Looking at "ChannelOscilloscopePlot" in the design center, they found the following.

Normally, the values of Count and Lta (Channel Data) are almost the same.
When abnormal, the value of Count is lower than Lta, and detection continues.

Question 1:
Would you tell me why Count and Lta do not have the same value.

Question 2:
We are considering recalibration using SensorTimeoutThreshold as a measure to lower Lta.
Is it correct usage?

Regards,
Rei

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MSP430FR5969: Voltage at RST pin

June 18, 2019, 1:22 am
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Part Number:MSP430FR5969

Hi

I uses MSP-EXP430FR5969 LaunchPad with external power.
Debugger is MSP-FET.

LaunchPad is connected PC with MSP-FET.
In this case, ~1V pulse appears at RST pin when external power is off.

(Please visit the site to view this file)

1.
Is it normal to appear pulse voltage at RST?

2.
According to datasheet, voltage applied to any pin is Vcc+0.3V as maximum.
So, my situaion should be avoided. Is my understanding correct?

BestRegards

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MSP430FR5994: MSP430 USING PROBLEM

June 18, 2019, 2:21 am
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Part Number:MSP430FR5994

HI ,

One of my account met a problem, and it shows as below:

 The temperature collected by the internal temperature acquisition channel of the 5994 is not accurate. About 5% of the chips collecting about 0 degrees at room temperature .

Is there something wrong with it? and could you give me some suggestion on it?

thanks a lot!

BR!

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MSP430F6436: Japanese Users Guide

June 18, 2019, 3:51 am
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Part Number:MSP430F6436

Hello,

Is there Japanese Users Guide for MSP430F6436?

How can I find Japanese materials for MSP430, including other devices?

Regards,

U-SK

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MSP430F5342: How to avoid the ISR trigger before entering LPM3

June 18, 2019, 4:12 am
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Part Number:MSP430F5342

Dear TI experts，

Now I'm testing MSP430F5342.

I have some problems with the synchronization between ISR and LPM3.

Assume that we have an ISR in our program.This ISR's trigger time is impossible to predict.

Now when we want to enter LPM3 if this ISR is about to trigger within a very short time.This time is so short that leading to the trigger before entering LPM3.

Obviously，we miss this trigger which is the wake source of our system so that our system entering endless sleep.

I have thought about the solution to this problem according to the experience in the ARM core MCU，as follow，

//Disable INT
__bic_SR_register(GIE);
//Enter LPM3
LPM3;
//Enable INT
__bis_SR_register(GIE);

//Then do things we want to do ...
...

But I doubt whether MSP430 can keep IRQ pending before INT enabled again and whether immediately wake system from sleep to execute INT_ENABLE.

If the pending IRQ can't wake system in the INT_DISABLE state.The INT_ENABLE statement would never be executed.And the system will fall into endless sleep.

In summary，I have two questions.

1).How can I avoid IRQ trigger before entering LPM3?

2).Can I use the solution which I mentioned above？If it's wrong，is there any similar solution to take？

Thanks in advance for your help.

Best Regards

Andy

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