
nemi
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About nemi
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I haven't tried this (yet) but I was wondering if the MSP430G2211 chip that accompanies the MSP430G2231 chip pre-installed on the launchpad could share the same PC USB UART interface, at the same time? I was thinking that if each had different serial command sets and only transmitted data after receiving a command then they could share the same (9600 baud) comms to a host PC, doubling the I/O lines available, assuming there is no USB UART speciic issue that I am unaware of. I realize both chips would have to be programed separably, one would then be installed in the launchpad demo PCB
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Good idea. though as I said in the post, I routed VCC and an output line to the mini board for future expansion - such as rear illumination of the monitors (nice on the eyes at night). So I need a 5+ pin connector. I may just look into cheap rj46 jacks and use a network cable.
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surplus electronics for the tilt switches. I got the cheapest single pin type. Need to solder or contact the case for the other terminal. http://www.surplus-electronics-sales.com/Zencart/index.php?main_page=product_info&cPath=28&products_id=316 autoit is a very handy language for automating widnows programs that don't have command line options or an API. http://www.autoitscript.com/autoit3/index.shtml
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circuit pictures attached.
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Hi Everyone, my first project with the launch pad is to automatically rotate my windows desktop orientation when I rotate my monitors. I have been working with dual monitors for a while but recently got a monoprice dual monitor stand that allows rotation. http://www.monoprice.com/products/product.asp?c_id=109&cp_id=10828&cs_id=1082808&p_id=5560&seq=1&format=2 I then had the idea to implement my own hardware sensor to detect when they had been rotated to portrait (or even up-side-down). The circuit is simple and the pictures should explain everything.
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Well it doesn't crash, but the 't' command retuns nothing until another character is sent from the PC, and it always repsonds with the same values even if i warm the chip. Very confusing... //****************************************************************************** // MSP430G2xx1 Demo - Timer_A, Ultra-Low Pwr UART 9600 Echo, 32kHz ACLK // // Description: Use Timer_A CCR0 hardware output modes and SCCI data latch // to implement UART function @ 9600 baud. Software does not directly read and // write to RX and TX pins, instead proper use of output modes and SCCI data // latch
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I put those lines (anywhere) in my code and serial comms either doesn't work, or stops after a few chars. Am I missing something? What would be a compete code block to get the temperature ADC reading (including any delay needed to settle) either in the "t" section or the main loop? thank you.
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Thank you. It would take some time to pour over the code and understand the syntax. For my immediate needs I re purposed the example 9600 baud UART code. Using the 2 LEDS P1.0 and P1.6 as outputs and the other lines as digital inputs. However "grafting" the temperature sensor code for the example fails, I no longer get working serial communications. The other (minor) issue is i couldn't set P1.3 to pull down, so I set all other pins to pull up for simplicity. I guess I can carry on wishing for a well documented + simple function library /frame work for simple pin reading/writing. I'm
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Hi Everyone, I just received my TI LaunchPAd kit and have been searching for a general purpose IO program for it to speed up my hardware development (via a PC) before I dive into specific MSP code. I was hoping there might already be something out there that allows simple serial terminal control of the MSP430G2231 as if it were an "instrument". The TI example program "msp430g2xx1_ta_uart9600.c Timer_A, Ultra-Low Pwr Full-duplex UART 9600, 32kHz ACLK" is a start but only allows for setting of 8 digital output pins and the setting is done at the byte level so a bit of a pain compare