diff options
Diffstat (limited to '')
| -rw-r--r-- | Lab3.X/lab3_main.c (renamed from Lab3.X/lab3_main_MAYA_C.c) | 157 |
1 files changed, 62 insertions, 95 deletions
diff --git a/Lab3.X/lab3_main_MAYA_C.c b/Lab3.X/lab3_main.c index a943ae2..051b2c1 100644 --- a/Lab3.X/lab3_main_MAYA_C.c +++ b/Lab3.X/lab3_main.c @@ -1,96 +1,63 @@ -#include "xc.h"
-#include "numpad.h"
-#include "display.h"
-
-// CW1: FLASH CONFIGURATION WORD 1 (see PIC24 Family Reference Manual 24.1)
-#pragma config ICS = PGx1 // Comm Channel Select (Emulator EMUC1/EMUD1 pins are shared with PGC1/PGD1)
-#pragma config FWDTEN = OFF // Watchdog Timer Enable (Watchdog Timer is disabled)
-#pragma config GWRP = OFF // General Code Segment Write Protect (Writes to program memory are allowed)
-#pragma config GCP = OFF // General Code Segment Code Protect (Code protection is disabled)
-#pragma config JTAGEN = OFF // JTAG Port Enable (JTAG port is disabled)
-
-
-// CW2: FLASH CONFIGURATION WORD 2 (see PIC24 Family Reference Manual 24.1)
-#pragma config I2C1SEL = PRI // I2C1 Pin Location Select (Use default SCL1/SDA1 pins)
-#pragma config IOL1WAY = OFF // IOLOCK Protection (IOLOCK may be changed via unlocking seq)
-#pragma config OSCIOFNC = ON // Primary Oscillator I/O Function (CLKO/RC15 functions as I/O pin)
-#pragma config FCKSM = CSECME // Clock Switching and Monitor (Clock switching is enabled,
-// Fail-Safe Clock Monitor is enabled)
-#pragma config FNOSC = FRCPLL // Oscillator Select (Fast RC Oscillator with PLL module (FRCPLL))
-
-#define NOKEY 255
-
-void delay(long d) {
- for (d=d; d > 0; d--) {
- asm("nop");
- }
-}
-char cycle();
-
-
-//============================================================================//
-
-int main(void) {
- init7seg();
- initKeyPad();
- char key = 'N';
- char right, left;
- int debounce = 250;
- //RB<9:2> will drive the cathodes of the seven-segment display
- //RB<11:10> will drive the right and left anodes respectively
- //RA<3:0> will drive inputs of keypad
- //RB<15:12> will cycle to sense RA inputs
- while (1) {
- if (debounce == 0) {
- key = cycle();
- if (key != 'N') {
- left = right;
- right = key;
- }
- debounce = 250;
- }
-
- showChar7seg(right, MSB);
- delay(500);
- showChar7seg(left, LSB);
- delay(200);
-
- debounce--;
-// while (!IFS0bits.T1IF);
-// IFS0bits.T1IF = 0;
- }
-}
-
-char cycle() {
- int i = 0;
- char key = 'N';
- while (i < 4) {
- if (i == 0) {
- LATBbits.LATB12 = 0;
- LATBbits.LATB13 = 1;
- LATBbits.LATB14 = 1;
- LATBbits.LATB15 = 1;
- } else if (i == 1) {
- LATBbits.LATB12 = 1;
- LATBbits.LATB13 = 0;
- LATBbits.LATB14 = 1;
- LATBbits.LATB15 = 1;
- } else if (i == 2) {
- LATBbits.LATB12 = 1;
- LATBbits.LATB13 = 1;
- LATBbits.LATB14 = 0;
- LATBbits.LATB15 = 1;
- } else if (i == 3) {
- LATBbits.LATB12 = 1;
- LATBbits.LATB13 = 1;
- LATBbits.LATB14 = 1;
- LATBbits.LATB15 = 0;
- }
- key = readKeyPadRAW();
- if (key != 'N') {
- return key;
- }
- i++;
- }
- return key;
+#include "xc.h" +#include "numpad.h" +#include "display.h" + +// CW1: FLASH CONFIGURATION WORD 1 (see PIC24 Family Reference Manual 24.1) +#pragma config ICS = PGx1 // Comm Channel Select (Emulator EMUC1/EMUD1 pins are shared with PGC1/PGD1) +#pragma config FWDTEN = OFF // Watchdog Timer Enable (Watchdog Timer is disabled) +#pragma config GWRP = OFF // General Code Segment Write Protect (Writes to program memory are allowed) +#pragma config GCP = OFF // General Code Segment Code Protect (Code protection is disabled) +#pragma config JTAGEN = OFF // JTAG Port Enable (JTAG port is disabled) + + +// CW2: FLASH CONFIGURATION WORD 2 (see PIC24 Family Reference Manual 24.1) +#pragma config I2C1SEL = PRI // I2C1 Pin Location Select (Use default SCL1/SDA1 pins) +#pragma config IOL1WAY = OFF // IOLOCK Protection (IOLOCK may be changed via unlocking seq) +#pragma config OSCIOFNC = ON // Primary Oscillator I/O Function (CLKO/RC15 functions as I/O pin) +#pragma config FCKSM = CSECME // Clock Switching and Monitor (Clock switching is enabled, +// Fail-Safe Clock Monitor is enabled) +#pragma config FNOSC = FRCPLL // Oscillator Select (Fast RC Oscillator with PLL module (FRCPLL)) + +#define NOKEY 255 + +void delay(long d) { + for (d=d; d > 0; d--) { + asm("nop"); + } +} + + + +//============================================================================// + +int main(void) { + init7seg(); + initKeyPad(); + char key='N'; + char right, left; + int debounce=250; + //RB<9:2> will drive the cathodes of the seven-segment display + //RB<11:10> will drive the right and left anodes respectively + //RA<3:0> will drive inputs of keypad + //RB<15:12> will cycle to sense RA inputs + while(1) + { + if (debounce==0) + { + key=cycle(); + if (key!='N') + { + left=right; + right=key; + } + debounce=250; + } + showChar7seg(right,0); + delay(500); + showChar7seg(left,1); + delay(200); + debounce--; + while (!IFS0bits.T1IF) ; + IFS0bits.T1IF = 0; + } }
\ No newline at end of file |