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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New Features in Version 5

The convenient Statistic viewer graphically displays the percentage amount of program memory, data memory and stack space. Optimizer is executed during the final phase of the compile which presents the ability to cross a unit boundary when performing the optimization. Provided below are examples of compression levels:.

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.

CCS, Inc. – CCS C Compiler Example Programs

The ;rogramlama pwm allows the user to configure the PWM based on a desired frequency, a desired resolution, or a combination of both. The IDE can be configured to specify how often and how many old files to be saved maintain old file on every save, once an hour, once a day, etc.

For example, reading a floating point number from the user over RS would require a combination of gets followed by atof. 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.

CCS C Compiler Example Programs

Recent messages or changes are highlighted in yellow. It is also possible to hide branches of the call tree and only inspect the calls out of one function.


Regular expressions allow the user to enter complex parameters into the search field for matching specific combinations of characters, digits or phrases. This is a great progrxmlama to keep tabs of how long it takes your program or branches of your program to execute. This is very useful for quickly determining which functions the user might need to review if the user is looking for ways to optimize the program to use less memory. There also exists a profile preprocessor command and profileout macro to dynamically control the C Profile tool to finely adjust which data and routines you need to prigramlama.

The option to “Save to notes” has been added programlaja the right-click menu of multiple debug windows which will append the selected progarmlama such as break log or RAM data to the end of the notes file associated to the project. Using V5 to add flow control and buffering to your serial routines Programlamma powerful use rs library has now added transmit buffering, receive buffering and flow control.

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. The sharpened Find and Search ;c can now use regular expressions. In the above example, calls to printf will place the data into the transmit buffer and then the RS library will push data out of the transmit buffer if CTS pin signifies we are allowed to.

Here are some valid synytax for usage:. Data conversion from a string to a variable can also be achieved.

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 C Profile logging can be dynamically turned off and on with a few pre-processor commands at the source code level:. It is important to reiterate that the C Profiler tool does not send the actual string, instead it uses a one byte identifier tag to keep the execution time and overhead low.

If you have any comments or questions about the serial library upgrades, or V5 in prlgramlama, please e-mail us! It is also possible to track the timing of a specific block of code instead of a function. The input capture peripheral samples and holds a timer value when the peripheral’s input pin reaches the desired level. First thing to note about the updated example is that the only code that changed is the use rs line for configuring the UART.


Here is an example usage of the new features:.

The beauty of these operators is that the x and y in the above examples can be any combination of function, RS serial stream, variable, string and more. This new library programlamq handles configuration of timers and prescalars, based on your configuration – automatically! One of the key features of this new feature in the CCS C Compiler is the way it automatically handles the conversion based upon the data types of the variables passed.

There are more configuration and control options that are available. For example, if a variable is of float type the compiler will properly convert it from string to float on an input or convert float to string on an output. A duty cycle is the ratio the digital signal is on versus off. By inspecting the parameters passed to each function, this view can be used to debug the reason certain parts of a program are executing.

When using profileout like the above example, “main loop” will be displayed in the Statistics window of the C Profile tool.

Let’s review a usage example of using the use rs without flow prograklama or buffering: This peripheral is useful for measuring the time duration between two events. Pressing DEL will delete that block of text, or typing will replace block of text with new text.

You can now drag and drop watch items within the watch window to reorder them by your preference.