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authorRossTheRoss <msattr@gmail.com>2020-04-24 13:16:17 -0500
committerRossTheRoss <msattr@gmail.com>2020-04-24 13:16:17 -0500
commite9f3d4a56d10de933c9c22646a7b084ec3cff20f (patch)
treed1482ec0ae76500e2df3fa6cda276722a1aaa167 /Lab6.X/lab6_main.c
parentForget to add a bunch of things (diff)
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Add MORE stuff I forget to commit
Diffstat (limited to 'Lab6.X/lab6_main.c')
-rw-r--r--Lab6.X/lab6_main.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/Lab6.X/lab6_main.c b/Lab6.X/lab6_main.c
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+++ b/Lab6.X/lab6_main.c
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+#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;
+}