Emilio Monti / Mbed 2 deprecated test_wait

"wait_us" example

Dependencies:   mbed

main.cpp@1:09163b143242, 2013-03-21 (annotated)

Committer:
emilmont
Date:
Thu Mar 21 13:00:28 2013 +0000
Revision:
1:09163b143242
Parent:
0:453461456608 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 0:453461456608 1 #include "mbed.h"
emilmont 0:453461456608 2
emilmont 0:453461456608 3 int main() {
emilmont 0:453461456608 4 volatile int us = 100;
emilmont 0:453461456608 5 volatile uint32_t start = 0xFFFFFFF0;
emilmont 0:453461456608 6 volatile uint32_t us_ticker = 100;
emilmont 0:453461456608 7
emilmont 0:453461456608 8 // void wait_us(int us) {
emilmont 0:453461456608 9 // uint32_t start = us_ticker_read();
emilmont 0:453461456608 10 // while ((us_ticker_read() - start) < us);
emilmont 0:453461456608 11 // }
emilmont 0:453461456608 12 if ((us_ticker - start) < us) {
emilmont 0:453461456608 13 printf("while(True): Failed to detect that the interval is expired, still in the loop \n");
emilmont 0:453461456608 14 } else {
emilmont 0:453461456608 15 printf("while(False): Got out of the wait loop\n");
emilmont 0:453461456608 16 }
emilmont 1:09163b143242 17 printf("%d\n", (us_ticker - start));
emilmont 0:453461456608 18
emilmont 0:453461456608 19 DigitalOut led(LED1);
emilmont 0:453461456608 20 while (1) {
emilmont 0:453461456608 21 led = !led;
emilmont 0:453461456608 22 wait(0.5);
emilmont 0:453461456608 23 }
emilmont 0:453461456608 24 }