diff options
Diffstat (limited to '')
-rw-r--r-- | Lab6.X/lab6_main.c | 195 |
1 files changed, 92 insertions, 103 deletions
diff --git a/Lab6.X/lab6_main.c b/Lab6.X/lab6_main.c index e9258c4..7d46cd0 100644 --- a/Lab6.X/lab6_main.c +++ b/Lab6.X/lab6_main.c @@ -1,103 +1,92 @@ -#include "xc.h" -#include "../Lab5.X/lab5_lcd.h" -#include "circBuffer.h" -#include <stdio.h> - -#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)) - -void setup(void) { - CLKDIVbits.RCDIV = 0; - AD1PCFG = 0x9fff; //all digital inputs and outputs - initBuffer(); - lcd_init(); - lcd_setCursor(0,0); - - // -- I2C STUFF -- - I2C2BRG = 0x9D; - I2C2CONbits.I2CEN = 1; - _I2CSIDL = 0; - IFS3bits.MI2C2IF=0; - - // -- ADC STUFF -- - AD1CON1 = 0; // set all control to 0. - AD1CON1bits.SSRC = 0b010; //Rollover to conversion - AD1CON1bits.ASAM = 1; // auto-sample - AD1CON1bits.FORM = 0b00; - AD1CON2 = 0; - AD1CON2bits.CSCNA = 0; // no scan - AD1CON2bits.SMPI = 0b0; // every conversion - AD1CON2bits.BUFM = 0; // two 8-word buffers - AD1CON3bits.ADCS = 0b1; - AD1CON3bits.ADRC = 0; - AD1CON3bits.SAMC = 0b1; - AD1CON1bits.ADON = 1; // ton - AD1CHS = 0; - AD1CHSbits.CH0NB = 0; - AD1CHSbits.CH0SB = 0; - AD1CHSbits.CH0NA = 0; - AD1CHSbits.CH0SA = 0; - - // -- TIMER 2 STUFF -- - T2CON = 0; - TMR2 = 0; - T2CONbits.TCKPS = 0b10; - PR2 = 25000; - T2CONbits.TON = 1; - - // -- TIMER 3 STUFF -- - T3CON = 0; - TMR3 = 0; - T3CONbits.TCKPS = 0b10; - PR3 = 1562; - T3CONbits.TON = 1; - - // -- INTERRUPT ENABLES -- - IEC0bits.AD1IE = 1; - IFS0bits.AD1IF = 0; - //ADC Interrupt (Enabled) - IEC0bits.T2IE = 1; - IFS0bits.T2IF = 0; - // T2 Interrupt (Enabled) -} - -volatile unsigned int *ADCpointer = &ADC1BUF0, ADCvalue = 0; -void __attribute__((__interrupt__, __auto_psv__)) _ADC1Interrupt(void) { - IFS0bits.AD1IF = 0; - - -} -volatile unsigned char flag = 0; -void __attribute__((__interrupt__, __auto_psv__)) _T2Interrupt(void) { - //Allow writing to LCD - _T2IF = 0; - TMR2 = 0; - flag = 1; -} - -int main(void) { - setup(); - while (1) { - char adStr[20]; - unsigned long adValue; - if (flag) { - flag = 0; - lcd_setCursor(0,0); - adValue = getAvg(); - sprintf(adStr, "%6.4f V", (3.3/1024)*adValue); - lcd_printStr(adStr); - } - } - return -1; -} +#include "xc.h"
+#include <stdio.h>
+#include "../Lab5.X/lab5_lcd.h"
+
+
+#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))
+
+void setup(void) {
+ CLKDIVbits.RCDIV = 0;
+ AD1PCFG = 0x9FFE; //AN1 analog
+ TRISA |= 1;;
+
+ // -- I2C STUFF --
+ I2C2BRG = 0x9D;
+ I2C2CONbits.I2CEN = 1;
+ _I2CSIDL = 0;
+ IFS3bits.MI2C2IF=0;
+ lcd_init();
+
+ // -- ADC STUFF --
+ AD1CON1 = 0; // set all control to 0.
+ AD1CON1bits.SSRC = 0b010; //Rollover to conversion
+ AD1CON1bits.ASAM = 1; // auto-sample
+ AD1CON1bits.FORM = 0b00;
+ AD1CON2 = 0;
+ AD1CON2bits.CSCNA = 0; // no scan
+ AD1CON2bits.SMPI = 0b0; // every conversion
+ AD1CON2bits.BUFM = 0; // two 8-word buffers
+ AD1CON3bits.ADCS = 0b1;
+ AD1CON3bits.ADRC = 0;
+ AD1CON3bits.SAMC = 0b1;
+ AD1CON1bits.ADON = 1; // ton
+ AD1CHS = 0;
+ AD1CHSbits.CH0NB = 0;
+ AD1CHSbits.CH0SB = 0;
+ AD1CHSbits.CH0NA = 0;
+ AD1CHSbits.CH0SA = 0;
+
+ // -- TIMER 2 STUFF --
+ T2CON = 0;
+ TMR2 = 0;
+ T2CONbits.TCKPS = 0b10;
+ PR2 = 25000;
+ T2CONbits.TON = 1;
+
+ // -- TIMER 3 STUFF --
+ T3CON = 0;
+ TMR3 = 0;
+ T3CONbits.TCKPS = 0b10;
+ PR3 = 1562;
+ T3CONbits.TON = 1;
+
+ // -- INTERRUPT ENABLES --
+ IEC0bits.AD1IE = 1;
+ IFS0bits.AD1IF = 0;
+ //ADC Interrupt (Enabled)
+ IEC0bits.T2IE = 1;
+ IFS0bits.T2IF = 0;
+ // T2 Interrupt (Enabled)
+}
+
+void __attribute__((__interrupt__, __auto_psv__)) _ADC1Interrupt(void) {
+ IFS0bits.AD1IF = 0;
+ //This interrupt only serves to allow the ADC to work as intended.
+
+}
+unsigned char flag = 0;
+void __attribute__((__interrupt__, __auto_psv__)) _T2Interrupt(void) {
+ _T2IF = 0; TMR2 = 0;
+ char adStr[20];
+ lcd_setCursor(0,0);
+ sprintf(adStr, "%6.4f V", (3.3/1024)*ADC1BUF0);
+ lcd_printStr(adStr);
+}
+
+int main(void) {
+ setup();
+ while (1);
+ return -1;
+}
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