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The C Programmer’s Guide to the Mosaic HandheldTable of ContentsPART 1 GETTING STARTED Introduction. How to Use This Manual Chapter 1: Getting to Know Your Handheld Instrument Chapter 2: Powering Your Handheld PART 2 PROGRAMMING THE MOSAIC HANDHELD Chapter 4: The IDE: Writing, Compiling, Downloading and Debugging Programs Chapter 5: Making Effective Use of Memory Chapter 6: Real Time Programming Chapter 7: Failure and Run-Time Error Recovery Chapter 8: Programming the Graphical User Interface PART 3 COMMUNICATIONS, MEASUREMENT, AND CONTROL Chapter 9: Digital and Timer-Controlled I/O Chapter 11: Serial Communications Chapter 12: The Battery-Backed Real Time Clock Chapter 13: Customizing the Handheld's I/O PART 4: REFERENCE DATA |
Glossary A B C DF G H I K LM N P R S T UVWXY LAST_COORDS
Type Constant Return Value Integer Description The name of a pen property that contains the x and y-coordinates used with the previous call of Draw. The y-coordinate is located in the most significant 16 bits and the x-coordinate is located in the least significant 16 bits. The contents of this property are used as the first end point of a line drawn with the Draw method. The x and y coordinates passed to the Draw method supply the second end point for the line. Usage longCoords = Get_Property(GUI_PEN, LAST_COORDS);
Library library.c
LINE
Type Constant Return Value Long Description The name of a value of the SHAPE property of the GUI_PEN object. When the SHAPE property of the GUI_PEN object is set to LINE, the Draw method draws a line between the LAST_COORDS stored in the GUI_PEN and the specified x and y parameters. Usage Set_Property(GUI_PEN, SHAPE, LINE);
Library library.c
See Also POINT LINE_OUT_OF_RANGE
Type Constant Return Value Integer Description The name of an error that indicates the line number passed to Set_Property for the FIRST_VISIBLE_LINE property is not valid i.e. the line number is less than 0 or greater than STRING_LINES (the number of lines of the string based on the width of the textbox and the number of characters in the string). Usage Set_Property(textboxString, FIRST_VISIBLE_LINE, (long) 16); If (Read_Error() == LINE_OUT_OF_RANGE) { printf(“The line number is out of range.\n”); Clear_Error(); }
Library library.c
See Also FIRST_VISIBLE_LINE, STRING_LINES void Load ( uint screen_reference, uint object_reference, uint x_coordinate, uint y_coordinate )
Type Function Input Parameters screen_reference A 16 bit variable that refers to the screen that the object specified by object_reference will be loaded into. object_reference A 16 bit variable that refers to an object to be loaded onto a screen. x_coordinate A 16 bit number that specifies the location of the left edge of the object in the horizontal direction relative to the left edge of the screen. For speed, the x-coordinate must fall on an 8 pixel boundary. The valid range for the x-coordinate depends on the width of the object. The x-coordinate must be specified so that the entire object is between 0 and 127 pixels. The origin of a screen is it’s upper left corner. y_coordinate A 16 bit number that specifies the location of the top of the object in the vertical direction relative to the top edge of the screen. The valid range of the y-coordinate depends on the height of the object. The y-coordinate must be specified so that the entire object is between 0 and 127 pixels. The origin of a screen is it’s upper left corner. Description A method that loads an object into a screen at a specified location and renders the image of the object onto the screen. Errors include: HEAP_FULL, INVALID_SCREEN, INVALID_OBJECT, X_OUT_OF_RANGE, and Y_OUT_OF_RANGE. Usage Load( GUI_SCREEN0, graphicStop, 0, 0);
Library library.c
See Also Un_Load LOW_BATTERY
Type Constant Return Value Long Description The name of a value of the BATTERY_STATE property of the GUI_BATTERY object that indicates a low charge on the rechargeable batteries. Usage If ( Get_Property ( GUI_BATTERY, BATTERY_STATE ) == LOW_BATTERY ) { printf(“The batteries are running low. Please recharge.\n”); }
Library library.c
See Also BATTERY_STATE, GUI_BATTERY, FULL_BATTERY, MEDIUM_BATTERY, NO_BATTERY MEDIUM_BATTERY
Type Constant Return Value Long Description The name of a value of the BATTERY_STATE property of the GUI_BATTERY object that indicates a medium charge on the rechargeable batteries. Usage If ( Get_Property ( GUI_BATTERY, BATTERY_STATE ) == MEDIUM_BATTERY ) { printf(“The batteries are charged.\n”); }
Library library.c
See Also BATTERY_STATE, GUI_BATTERY, FULL_BATTERY, LOW_BATTERY, NO_BATTERY |
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