4180 lab 1
Dependencies: mbed MCP23S17 PinDetect USBDevice
Revision 5:d1ad3a964858, committed 2020-01-15
- Comitter:
- emilywilson
- Date:
- Wed Jan 15 19:58:39 2020 +0000
- Parent:
- 4:6a7029bf4e1c
- Child:
- 6:e346d2a3010f
- Commit message:
- part 4;
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
| part4.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Wed Jan 15 19:14:47 2020 +0000
+++ b/main.cpp Wed Jan 15 19:58:39 2020 +0000
@@ -7,7 +7,7 @@
DigitalIn pb(p22);
//DigitalIn pb2(p21);
-// p10 is most significant bit
+// p20 is most significant bit
BusIn ledSelect(p18, p19, p20);
PinName redPin = p24;
@@ -26,7 +26,7 @@
}
void pb2_hit_callback() {
- if (p < 0) {
+ if (p < 1) {
p += 0.1;
}
}
@@ -65,6 +65,9 @@
if (ledSelect & 0x4) {
blueVal = 1.0 * p;
}
+ myRGBLed.write(redVal, greenVal, blueVal);
+ w
+
// Part 4
}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/part4.cpp Wed Jan 15 19:58:39 2020 +0000
@@ -0,0 +1,73 @@
+#include "mbed.h"
+
+BusOut mbedleds(LED1,LED2,LED3,LED4);
+//BusOut/In is faster than multiple DigitalOut/Ins
+
+class Nav_Switch
+{
+public:
+ Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
+ int read();
+//boolean functions to test each switch
+ bool up();
+ bool down();
+ bool left();
+ bool right();
+ bool fire();
+//automatic read on RHS
+ operator int ();
+//index to any switch array style
+ bool operator[](int index) {
+ return _pins[index];
+ };
+private:
+ BusIn _pins;
+
+};
+Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
+ _pins(up, down, left, right, fire)
+{
+ _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
+ wait(0.001); //delays just a bit for pullups to pull inputs high
+}
+inline bool Nav_Switch::up()
+{
+ return !(_pins[0]);
+}
+inline bool Nav_Switch::down()
+{
+ return !(_pins[1]);
+}
+inline bool Nav_Switch::left()
+{
+ return !(_pins[2]);
+}
+inline bool Nav_Switch::right()
+{
+ return !(_pins[3]);
+}
+inline bool Nav_Switch::fire()
+{
+ return !(_pins[4]);
+}
+inline int Nav_Switch::read()
+{
+ return _pins.read();
+}
+inline Nav_Switch::operator int ()
+{
+ return _pins.read();
+}
+
+Nav_Switch myNav( p9, p6, p7, p5, p8); //pin order on Sparkfun breakout
+
+int main()
+{
+ while(1) {
+ //with pullups a button hit is a "0" - "~" inverts data to leds
+ mbedleds = ~(myNav & 0x0F); //update leds with nav switch direction inputs
+ if(myNav.fire()) mbedleds = 0x0F; //special all leds on case for fire (center button)
+ //or use - if(myNav[4]==0) mbedleds = 0x0F; //can index a switch bit like this
+ wait(0.02);
+ }
+}
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