中断的使用

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
heroistired
Date:
Wed Apr 11 07:06:27 2018 +0000
Commit message:
?????

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Apr 11 07:06:27 2018 +0000
@@ -0,0 +1,19 @@
+#include "mbed.h"
+
+//演示定时器中断如何使用
+
+Ticker toggle_led_ticker;   //声明一个 Ticker 对象
+
+DigitalOut led1(LED1);
+
+void toggle_led() {        //中断子程序,在平衡车和无人机的项目中,控制算法就写在中断子程序中:获取陀螺仪数据,根据陀螺仪数据通过PID算法得到电机的控制量(占空比和方向),在输出到单片机管脚
+    led1 = !led1;
+}
+
+int main() {
+    // Init the ticker with the address of the function (toggle_led) to be attached and the interval (100 ms)
+    toggle_led_ticker.attach(&toggle_led, 0.1);     //指定Ticker 对象的回调函数也就是中断子程序以及  中断的时间间隔即每隔多久执行一次,一般0.02或0.01即可
+    while (true) {
+        // Do other things...
+    }
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Wed Apr 11 07:06:27 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/994bdf8177cb
\ No newline at end of file