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Results tagged with msp430
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user 8159
The MSP430 is a Texas Instruments low-power microcontroller family.
5
votes
1
answer
3k
views
MSP430 programming under Linux - mspdebug fails to connect to programmer
I am trying to program the MSP430 (on an MSP-EXP430F5438 evaluation board) under Linux using gcc-msp430 (I eventually will do code larger than the 16k that the free version of the Code Composer allows) … As a debugger, it is recommended to use mspdebug, but when I try to use it, it doesn't connect to the FET430UIF.
~$ sudo mspdebug uif
MSPDebug version 0.19 - debugging tool for MSP430 MCUs
Copyright ( …
- 5,129
4
votes
2
answers
2k
views
What is wrong with this MSP430 code?
I am using the MSP-EXP430F5438 evaluation board, which has pushbuttons connected to P2.6 and P2.7 and LEDs connected to P1.0 and P1.1.
I want to make it such that P2.6 sets the LEDs on and P2.7 reset …
- 5,129
2
votes
Accepted
Reading value of bit in PxIN register
Besides, (at least with CCS and I think - but I have no way to test - with GCC, it might change with other compilers) instead of doing bit shifts, the msp430.h header defines a BITn constant which you …
- 5,129
2
votes
1
answer
5k
views
How to calculate the modulation register for MSP430 UART?
I'm using a MSP430F5529 clocked at 1 MHz and want to use the UART at 9600 bauds. So far I did:
void UART_init(void) {
UCA0CTL1 |= UCSWRST; // Reset the UART's state machine
UCA0CTL0 |= UCMSB …
- 5,129
4
votes
1
answer
2k
views
UART is garbled when running at more than 9600 bps
I'm connecting 2 MSP430F5529-based boards (running at 1 MHz) using UART and MAX3232 (MSP430F5529 -> MAX3232 -> cable, a few cm long - will be longer in our final application -> MAX3232 -> MSP430F5529) …
- 5,129
7
votes
1
answer
2k
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 pe …
- 5,129
1
vote
Developing for TI's CC430F5137 MCU
To get started, you probably will want a development board, like CC430F5137 Wireless Development Tool, which has a JTAG interface. Studying its schematic and the datasheet, you should be able to desig …
- 5,129