* OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
* MODIFICATIONS."
*/
-
+
/**
*
- * This application is used to test the basic functionality of the printf service.
- * It is initiated by calling the start() command of the SplitControl interface
- * provided by the PrintfC component. After starting the printf service, calls to
- * the standard c-style printf command are made to print various strings of text
- * over the serial line. Only upon calling PrintfFlush.flush() does the data
- * actually get sent out over the serial line.
+ * This application is used to test the basic functionality of the printf service.
+ * Calls to the standard c-style printf command are made to print various strings
+ * of text over the serial line. Only upon calling printfflush() does the
+ * data actually get sent out over the serial line.
*
* @author Kevin Klues (klueska@cs.wustl.edu)
* @version $Revision$
#include "printf.h"
module TestPrintfC {
uses {
- interface Boot;
- interface Leds;
- interface SplitControl as PrintfControl;
- interface PrintfFlush;
+ interface Boot;
}
}
implementation {
-
- #define NUM_TIMES_TO_PRINT 5
- uint16_t counter=0;
+
uint8_t dummyVar1 = 123;
uint16_t dummyVar2 = 12345;
uint32_t dummyVar3 = 1234567890;
event void Boot.booted() {
- call PrintfControl.start();
- }
-
- event void PrintfControl.startDone(error_t error) {
printf("Hi I am writing to you from my TinyOS application!!\n");
printf("Here is a uint8: %u\n", dummyVar1);
printf("Here is a uint16: %u\n", dummyVar2);
printf("Here is a uint32: %ld\n", dummyVar3);
- call PrintfFlush.flush();
- }
-
- event void PrintfControl.stopDone(error_t error) {
- counter = 0;
- call Leds.led2Toggle();
- printf("This should not be printed...");
- call PrintfFlush.flush();
- }
-
- event void PrintfFlush.flushDone(error_t error) {
- if(counter < NUM_TIMES_TO_PRINT) {
- printf("I am now iterating: %d\n", counter);
- call PrintfFlush.flush();
- }
- else if(counter == NUM_TIMES_TO_PRINT) {
- printf("This is a really short string...\n");
- printf("I am generating this string to have just less than 250\ncharacters since that is the limit of the size I put on my\nmaximum buffer when I instantiated the PrintfC component.\n");
- printf("Only part of this line should get printed because by writing\nthis sentence, I go over my character limit that the internal Printf buffer can hold.\n");
- call PrintfFlush.flush();
- }
- else call PrintfControl.stop();
- counter++;
+ printfflush();
}
}