There are several C compilers on the market for the PIC18 series of microcontrollers. CCS C compiler has been developed by Custom Computer Systems Inc. notes on C for the PICmicro®MCU, Mark at CCS, Inc. and Val Bellamy for PC based versus PICmicro®MCU Based Program Development. Product. The CCS PICC compiler is one of the popular C compilers for the PIC16 and PIC18 In addition to their PIC compilers, Customer Computer Services offers PIC.

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Receive buffering always uses an ISR. In the above example, the input operator would stop reading into variable1 and start reading into variable2 once a character is received that is not valid for that data type. Data conversion from a string to a variable can also be achieved. The printfkbhit and getc didn’t need to be changed. Here is an example of using profileout to track the timing of several functions:.

For instance, if variable1 and variable2 are both int, it would stop reading into variable1 and start reading into variable2 upon the reception of any character that isn’t “0” to “9”, like a space or new-line. Transmit buffering doesn’t have these limitations, any GPIO pin can be used for transmit. For most applications, only one use profile command is required to configure an application for the C Profiler tool. The two new operators added are the extraction operator and the insertion operator: USB operation can be debugged with the C Profiler because the overhead is kept minimum.

Now the user can drag-and-drop the placement of the blocks. These are messages sent by using the profileout macro.


The C Profile logging can be dynamically turned off and on with a few pre-processor commands at the source code level:. To use this feature, press the CTRL key on the keyboard progeamlama using the left mouse button on the mouse to select a block of text. Our C editor has been updated with instant syntax checking, column editing, smart highlighting and searching with regular expressions.

CCS, Inc. – Version 5 Information

Pressing DEL will delete that block of text, or typing will replace block of text with new text. The user can also specify to profile only certain blocks of code, to transmit special debug messages or log certain variables.

For example; which variables and functions are declared in each file, or to see all functions that access a global variable. The Call Sequence view also has a means of triggering programlamz filtering the data based on certain conditions. This will also be helpful to programmers developing a cooperative multitasking scheme, and specific timing needs need to be kept by the program. This only scratches the surface of what the V5 compiler can do in regards to adding buffering and flow control to the serial libraries.

The kbhit returns TRUE if there is data in the receive buffer, and getc will read the next character out of the receive buffer. CCS’s powerful use rs library has now added transmit buffering, receive buffering and flow control. Here is an example: It is also possible to track the timing of a specific block of code instead of a function. Recent messages or changes are highlighted in yellow.

The Editor tool also has a column editing feature. Version 5 is the first release to include a very aggressive code optimizer, optimizing for space instead of speed. Float type formats can use the E format. The convenient Statistic viewer graphically displays the percentage amount of program memory, data memory and stack space. Here is an example usage of the new features:. This is useful if there are several lines that start or contain the same block of text but need to be replaced or edited.


The new optimizer is able to search the entire compiled program to find repeating blocks of code whereby reducing all those repeating blocks into one shared sub-routine. A write balancing algorithm is integrated into this driver to prevent continuous writes to one address from wearing out the endurance of the flash memory.

This is transmitted using cout, which is the default RS stream. API for the serial library remains unchanged getcputcprintfexisting code that uses this API can add buffering and flow control by simply changing the use rs configuration. Have an important watch variable that is in the middle or at the bottom of your watch list?

New Features in Version 5

For example, reading a floating point number from the user over RS would require a combination of gets followed by atof. The buffering options can be used without flow control.

The right-click ‘Show in Explorer’ is now available on the editor tabs.