Revision 0:ebc7a8e353d1, committed 2021-05-23

Comitter:

quagga

Date:

Sun May 23 15:09:33 2021 +0000

Commit message:

Emulate Gravis Stinger: pitch and roll and buttons A and B to serial data packet

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/README.txt	Sun May 23 15:09:33 2021 +0000
@@ -0,0 +1,8 @@
+Emulate Gravis stinger gamepad on microbit.
+Uses accelerometer pitch and roll data plus input from buttons to create serial data packet.
+
+On linux connect using inputattach:
+sudo inputattach --baud 115200 --stinger /dev/ttyXXXX
+
+Calibrate with:
+jscal -c /dev/input/jsX

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun May 23 15:09:33 2021 +0000
@@ -0,0 +1,35 @@
+#include"MicroBit.h"
+
+MicroBit uBit;
+
+int main()
+{
+    uBit.init();
+    //listen for stinger signal  E5E5
+    ManagedString sting=" E5E5";
+    ManagedString readbuf=uBit.serial.read(5);
+    if (readbuf==sting)
+        {
+            //Identify to inputattach driver
+            uBit.serial.send("\r\n0600520058C272");
+            uBit.display.scroll("Stinger");
+            int x,y;
+            unsigned char data[4];
+            while(1)
+                {
+                    //packets [0 && 3] deal with buttons
+                    //packet [0,1,2] deal with joystick
+                    x=((uBit.accelerometer.getPitch()+180)*126/360);
+                    y=((uBit.accelerometer.getRoll()+180)*126/360);
+                    data[1]=0x3f-(x & 0x3f);
+                    data[2]=y & 0x3f;
+                    data[0]=((y & 0x40)>>5)+((x & 0x40)>>6);
+        
+                    if (uBit.buttonA.isPressed()){data[0]+=0x20;}
+                    if (uBit.buttonB.isPressed()){data[0]+=0x10;}
+                    //send packet
+                    for (int i=0;i<4;i++){uBit.serial.sendChar(data[i]);}
+                }
+        }
+    return 0;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/microbit.lib	Sun May 23 15:09:33 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/Lancaster-University/code/microbit/#4b89e7e3494f