Curtis Mulady
/
HelloWorld
4180 LAB 1, YALL
Revision 0:f2325cc3c756, committed 2012-09-04
- Comitter:
- cmulady
- Date:
- Tue Sep 04 21:18:27 2012 +0000
- Commit message:
- What am I committing to?
Changed in this revision
diff -r 000000000000 -r f2325cc3c756 MCP23S17.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MCP23S17.lib Tue Sep 04 21:18:27 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/romilly/code/MCP23S17/#068b1e8909bb
diff -r 000000000000 -r f2325cc3c756 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Sep 04 21:18:27 2012 +0000 @@ -0,0 +1,58 @@ +#include "mbed.h" +#include "MCP23S17.h" + +DigitalOut OnOffLED(LED1); +DigitalIn OnOffBtn(p30); +PwmOut PwmLED(LED4); +DigitalIn PwmBtnA(p29); +DigitalIn PwmBtnB(p28); + +DigitalOut DebugLEDA(LED2); +DigitalOut DebugLEDB(LED3); + +SPI spi(p5, p6, p7); +char Opcode = 0x40; +MCP23S17 chip = MCP23S17(spi, p20, Opcode); + + + +int pwm_btn_val; + +int main() +{ + //Init + OnOffBtn.mode(PullUp); + PwmBtnA.mode(PullDown); + PwmBtnB.mode(PullDown); + + //Loop + while(1) { + + + //OnOff LED code + OnOffLED = !OnOffBtn; + + //PWM example + if(!PwmBtnA && !PwmBtnB) + PwmLED = 0.0; + else if(!PwmBtnA && PwmBtnB) + PwmLED = 0.33; + else if(PwmBtnA && !PwmBtnB) + PwmLED = 0.66; + else if(PwmBtnA && PwmBtnB) + PwmLED = 1.0; + + + //I/O Expander code + // Set all 8 Port A bits to output direction + chip.direction(PORT_A, 0x00); + // Set all 8 Port B bits to input direction + chip.direction(PORT_B, 0xFF); + //action + chip.write(PORT_A, (chip.read(PORT_B)&0x1)?0x80:0x00); + + + + + } +}
diff -r 000000000000 -r f2325cc3c756 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Sep 04 21:18:27 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/cd19af002ccc \ No newline at end of file