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Found 4 results

  1. I want to use energia to program ti msp430 f5510 but i can't find the board on select board tool of energia,is there any library or add on which i can use to conifugre my board.Also i am having problems with energia on windows 8.1 like when i hower on tools bar it hangs,should i install windows 7 or is there any fix to it. Any help will be much appreciated.
  2. TheCompiler

    flash corruption on msp430f5510

    Hi, I'm currently developing a software for the MSP430F5510. It worked fine with my development PCB for months, but as soon as I tried it on another one, I got very strange issues. My software is writing text to a display with a built-in font, and I'd sometimes get missing pixels, or the text "dEbug" or "debuf" instead of "debug". I then simplified my code until I arrived at this: #include <msp430.h> #include <string.h> #include "driverlib/MSP430F5xx_6xx/ucs.h" static const uint16_t flash_data[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, }; static volatile uint16_t ram_data[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, }; void main(void) { volatile uint32_t cnt = 0; static const uint32_t mclk = 25000000; WDTCTL = WDTPW | WDTHOLD; UCS_clockSignalInit(UCS_FLLREF, UCS_REFOCLK_SELECT, UCS_CLOCK_DIVIDER_1); UCS_initFLLSettle(mclk/1000, mclk/32768); while (1) { if (memcmp(&flash_data, (void*)&ram_data, sizeof(flash_data)) != 0) { _op_code(0x4343); } cnt++; } } My code sometimes stops on the software breakpoint, so it seems sometimes the flash gets read incorrectly. Most of the times this happens very soon after the program starts (cnt <= 50), but sometimes it takes a lot longer (cnt = some millions). Then after the next reset it immediately happens again. Some observations I made so far: It does not seem to happen when the clock is 24MHz instead of 25MHz It does not seem to happen on 2 of 4 prints I tested When I use single values rather than arrays, it happens more seldom. If I use != instead of memcmp to compare them, it doesn't seem to happen (maybe it gets optimized away though?). Optimisation level doesn't seem to make a difference Inserting an ~1s delay before and after setting the clock doesn't make a difference It seems it's always an 1 bit read as 0, i.e. I can't reproduce it if the data is 0x00 instead of 0xFF CCSv5 project with the above minimal example: 3326.corruption_test.zipThe related parts of the schematics and layout look like this: The supply voltage looks good for both unaffected and affected prints. Good: Bad: I've seen TIs document about the flash corruption issue (slaa471), but they mention the MSP430F5510 is unaffected, and the kind of corruption doesn't seem to be the one I'm seeing. I've also not seen anything related in the errata (slaz301j), except "Corrupted flash read when SVM low-side flag is triggered" which doesn't seem to be my issue. The chip revision is C, for both affected and unaffected prints. Any help would be appreciated, I really have no idea what to try anymore. Thanks!
  3. amstan

    [POTM] RGB Binary Clock

    This project is an update to the binary clock that I used on my desk. The new version has a lot of new features including RGB leds(WS2812), a bigger microcontroller(The Olimexino-5510 board), capacitive touch and light sensor. My first idea was to have something based on the MSP430G2553, a couple of WS2812 leds and capacitive touch. But after comparing the work i would have to do, and very few rewards to the Olimexino-5510 functionality I quickly reconsidered. The Olimexino-5510 provides quite a few things I wanted: MSP430F5510 Battery Charger USB capabilities Arduino Form Factor So all I had to do was make a nice board that went on top with the stuff I wanted for the clock functionality. WS2812 RGB LEDs The main feature of the Clock is the 6x3 WS2812 RGB led matrix. These leds contain a little controller that accept a serial protocol for the color data and they handle the PWM. They're also chainable meaning that only one pin(D11, LED-DATA) is required to quite all of them. In my using @@oPossum's library Power Supply The Olimexino-5510 has a connector for a battery. But it just connects the battery to the 5V rail, the battery could go as low as 3V. The WS2812 aren't meant to run that low, specifically the Blue led get a lot dimmer. In order to fix this I incorporated a SMPSU that can get 5V from the battery voltage. It could in theory handle as much as 2A. The design was done with TI Webench, all parts are the same as the suggested ones. I had to modify the Olimexino a little to actually give me the raw battery voltage on the shield connector, on battery there's no voltage on the 5V pin, i assumed there was. It all works quite well now except it's kinda whiny. The WS2812 leds are very bright, so in the darkness this might be a problem. One could dim them by sending them a darker color but this reduces resolution. Q2's purpose is to PWM is the 5V that the LEDs in order to dim them externally. This essentially gives another scaling factor for the brightness. It's a similar principle to how dynamic contrast works in TVs. Unfortunatelly this did not work as I wanted, the mosfet was too slow to PWM the leds fast enough without aliasing. My next design will probably contain a mosfet driver. Capacitive Touch Pads I have 4 pads acting as buttons. I originally connected them directly to some pins assuming I had PinOsc hardware like on the value line. Unfortunately I discovered this was not the case too late. I fixed it by adding 2 resistors between each of the pairs. This allows me to do a pretty crappy RC measure. It still works quite good though, i can get about 200 discrete values of the reading. As suggested by TI I had a non solid ground plane of the backside to reduce the intrinsic capacitance. Light Sensor The shield also has a light sensor, meant to measure ambient brightness. One can use this to make the display's brightness match the room. The sensor is connected via I2C, since neither the Arduino nor the Olimexino-5510 have I2C exposed on the pins I will have to do a software solution for this. The TCS34725FN sensor is also capable of measuring RGB color; I'm sure something fun can be accomplished using that. Of course I managed to do the footprint wrong for this, so it required some cutting traces to swap some pins; after that it worked just fine. Eagle Files I also have the schematics in PDF format. Code The current code is mostly made to prove the hardware. It could use a lot more work for the UI. Features Clock Functionality with fading SMPSU Off demo Capacitive Touch Demo Light Sensor Demo USB CDC ported from Energia that i used for debugging so far Everything was compiled with msp430-gcc. I uploaded the firmware using the new f5529 launchpad board due to the fact that mspdebug does not support the olimexino usb bootloader. Parts Most parts I got from digikey, except the Olimexino-5510, the beefy 6600mAh battery and the WS2812 leds. I got a pretty good price for the LEDs from Alibaba at only 13 cents each. I ordered the board through Elecrow, I really needed it to be black. Meta My old clock was this boring thing with an attiny44, using a matrix of green leds. I originally started this version(v2.0) as a school project, but I wanted to share it. Due to the many issues I had I'll probably make a version 2.1(if i fix the shield) or a v3 if I make a standalone board. I'm open to ideas. I still have quite a few board leftover(about 7), i'm open to sending them to people if postage is cheap/free/easy. Imgur album for non-users.
  4. I played with a MSP430F5510 over the weekend and had a problem: The chip got really warmed (too warm, touchable, but not burning hot) when I connected 4 pins (PWR, GND, RST, TEST) to a programming dongle (from the Chronos watch or from the EZ2500RF board). I checked everything and did see any short, or wrong polarity. CCS is able to flash some code into the F5510 chip in this condition, but it was slow and really warm (almost uncomfortable to hold my finger flat on it). I couldn't verify if it worked or not since I didn't have any test code, and the circuit wasn't complete (Just the chip on a break out board on a breadboard.). It didn't get warm/hot if I just connected GND and Vcc. The current draw in this condition was only 0.7mA. It only warmed up when I plugged the programming dongle with all 4 above mentioned pins. Then I looked around to see how people connect their F5510 in circuit and notice that they all have a resistor 47K connecting RST pin to Vcc. So I tried adding this resistor from RST pin to Vcc, and to my suprised the chip now stays cool even if I plugged the programming dongle to my circuit. The programming is smooth and fast now. If I now connect this 47K from RST to GND, the MSP430F5510 also gets hot, so back to Vcc it goes. I tried a code that flashes an LED on P1.0 and it worked. So the chip is still alive, I think. But is the chip supposed to get so warmed when the reset pin is hold low? Any idea? Thanks -Thanh
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