Msp430 Serial Example

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Example

MSP430 ADC10 Example for the G2231. Description: This code provides an example for using the 10 bit ADC in the. MSP430G2231.

Msp430 serial examples

I had the same problem with the switched TX/RX pins on the launchpad. It took me a while to figure that one out.I wrote my own library for the G2533, but should also work for the C2553.The main difference is the addition of a uartwriteescaped function, which is useful while sending data of different lengths (that way you can have start/end bytes, and if your data contains that byte, it escapes it.)It also supports a callback function so you can have input processing functions when you receive data.It's still a work in progress though.

Anytime a packet is received, an interrupt happens and an interrupt service routine(ISR) is called. This ISR gets the packet from the CC2500. Since people want to do different things with the packets, I chose not to process packets in the ISR.The callback function is called after a packet is received and is given the actual packet to process.What you do is come up with your own packet processing function and tell the cc2500 library about it. That way it knows who tocall when a packet is received.The uartwriteescaped is more for sending whole packets through the serial peripheral to the computer. Normally you just send a stream of bytes.

Unfortunately, there is no way for the computer to know when a stream of data begins or ends. This function uses the 0x7E byte as a start and end of packets. This way, the receiver knows when to begin and end capturing data.If your data contains a 0x7E, that might confuse the receiver, so you must escape it by preceding it with a 0x7D and modifying it. The receiver must be aware of this to process it accordingly.The hextostring function was just for debugging.

When you want to display a value, you usually use printf. Unfortunately, printf takes a lot of cycles to format the data, and if you're doing time-sensitive stuff, you can't afford the delay. Tamil dup movies. In cases where you don't have full debugging capability, you might want to print out the values of some registers or variables. The hextostring function converts a value to a hexadecimal string. You can concatenate the 'hello world' and 'rn' strings to make it 'hello worldrn'. Also, almost all terminal applications do not require 'r', so you could just use 'hello worldn' as well.A little background: the character 'n' is short for ' newline' which is ascii character 10.

'r' is short for 'carriage return', which is ascii character 13. UNIX machines only use newline, while macs used to use only carriage return, dos/windows uses both.The backslash means the next character is an escaped character, hence the 'n' in 'n' bears a special meaning. Would you want to output a backslash itself, you'd write '.Note again, that escape characters are one character, you need just one char to store 'n', as it is translated at compile time to the actual newline character. The length of the string 'hello worldrn' is 14 bytes; 5 for hello, 1 for the space, 5 for world, 1 for 'r', 1 for 'n' and one for the implicit '0', which indicates that this is the end of the string.if( (BIT3 & P1IN)0)if((P1IN & BIT3)0)if(!(P1IN&BIT3))Do all mean the same, which is 'do the following if the fourth bit of P1IN is equal to zero'.

Which is P1.3 on the launchpad and is thus connected to the left switch.

Interesting microbiome (?) project. Nothing on controlling the Peltier (?) devices. MSP code was a bit brutish, especially that 1440 element control array and the lack of 'else if' in the IRQ processing for current_time_array_index (since it wasn't volatile, the compiler is not obligated to preserve that code structure, but every compiler I have used will not optimize this) No resistor values are given, nor are any current ratings. I guess the project's 'totem-pole' driver 'transistors' are signal type (e.g. 2N3904/2N3906). To me this is a complementary pair, whereas totem pole drivers (like the one here: http://i.stack.imgur.com/JofIR.png) were used in NPN-only TTL outputs to simulate the behavior of a complementary pairs (this eliminated 2 or 3 mask steps in making the IC versus one with lower grade PNPs). This gives me some ideas, especially on using that MIT app builder for some of my projects. Thanks.