Yoichi Nagashima
NucleoF401RE speed test. Sending 7bytes format ([000000-7FFFFF]+13(cr)] via XBee (38400) to Host, with interval - once per 1,000,000 times in main loop.
Diff: main.cpp
- Revision:
- 0:84dcd4c56b29
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sat Dec 06 04:01:24 2014 +0000
@@ -0,0 +1,50 @@
+#include "mbed.h"
+
+Serial xbee(PA_2, PA_3);
+
+int hex_conv(int data) {
+ data = data%16;
+ switch(data){
+ case 0: return(48);
+ case 1: return(49);
+ case 2: return(50);
+ case 3: return(51);
+ case 4: return(52);
+ case 5: return(53);
+ case 6: return(54);
+ case 7: return(55);
+ case 8: return(56);
+ case 9: return(57);
+ case 10: return(65);
+ case 11: return(66);
+ case 12: return(67);
+ case 13: return(68);
+ case 14: return(69);
+ case 15: return(70);
+ }
+ return(0);
+}
+
+int hex_send(int data) {
+ data = data & 255;
+ xbee.putc(hex_conv(data / 16));
+ xbee.putc(hex_conv(data % 16));
+ return(0);
+}
+
+int main() {
+ int i = 0;
+ int j = 0;
+ xbee.baud(38400);
+ while(1) {
+ j++;
+ if(j > 1000000){
+ j = 0;
+ i = (i+1)%16777216;
+ hex_send(i>>16 & 255);
+ hex_send(i>>8 & 255);
+ hex_send(i & 255);
+ xbee.putc(13);
+ }
+ }
+}
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