jim hamblen
/
ESC_DC_Brushless_motor_test
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Revision 0:378b1492eaf6, committed 2017-05-14
- Comitter:
- 4180_1
- Date:
- Sun May 14 12:38:56 2017 +0000
- Commit message:
- ver 1.0
Changed in this revision
diff -r 000000000000 -r 378b1492eaf6 Servo.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.lib Sun May 14 12:38:56 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Servo/#36b69a7ced07
diff -r 000000000000 -r 378b1492eaf6 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Sun May 14 12:38:56 2017 +0000
@@ -0,0 +1,44 @@
+// Calibrate and arm ESC and then sweep through motor speed range
+// To run: Hold down reset on mbed and power up ESC motor supply
+// Wait for three power up beeps from ESC, then release reset (or apply power) on mbed
+// See https://github.com/bitdump/BLHeli/blob/master/BLHeli_S%20SiLabs/BLHeli_S%20manual%20SiLabs%20Rev16.x.pdf
+// for info on beep codes and calibration
+#include "mbed.h"
+#include "Servo.h"
+PwmOut ledf(LED1); //throttle up test led with PWM dimming
+PwmOut ledr(LED2); //throttle down test led with PWM dimming
+
+Servo myservo(p21);
+
+int main()
+{
+ myservo = 0.0;
+ ledf = ledr = 1;
+ wait(0.5); //ESC detects signal
+//Required ESC Calibration/Arming sequence
+//sends longest and shortest PWM pulse to learn and arm at power on
+ myservo = 1.0; //send longest PWM
+ ledf = ledr = 0;
+ wait(8);
+ myservo = 0.0; //send shortest PWM
+ wait(8);
+//ESC now operational using standard servo PWM signals
+ while (1) {
+ for (float p=0.0; p<=1.0; p += 0.025) { //Throttle up slowly to full throttle
+ myservo = p;
+ ledf = p;
+ wait(1.0);
+ }
+ myservo = 0.0; //Motor off
+ ledf = ledr = 0;
+ wait(4.0);
+ for (float p=1.0; p>=0.0; p -= 0.025) { //Throttle down slowly from full throttle
+ myservo = p;
+ ledr = p;
+ wait(1.0);
+ }
+ myservo = 0.0; //Motor off
+ ledf = ledr = 0;
+ wait(4.0);
+ }
+}
diff -r 000000000000 -r 378b1492eaf6 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Sun May 14 12:38:56 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e \ No newline at end of file
RC Brushless DC motor & ESC