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107 Kevin 1 
#include "maindefs.h"
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#include "led_driver.h"
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#include "delays.h"
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/* Output Pins:
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 * RA0 - LED Display Latch Enable (PPS)
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 * RA1 - LED Display CLK (PPS)
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 * RA2 - LED Display DIN (PPS)
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 * RA3 - LED Display Output Enable (PPS)
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 */
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void led_driver_init() {
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    TRISAbits.TRISA0 = 0;   // LE
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    TRISAbits.TRISA1 = 0;   // CLK
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    TRISAbits.TRISA2 = 0;   // DAT
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    TRISAbits.TRISA3 = 0;   // OE
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    LATAbits.LATA0 = 0; // LE
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    LATAbits.LATA1 = 0; // CLK
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    LATAbits.LATA2 = 0; // DAT
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    LATAbits.LATA3 = 0; // OE
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    led_driver_data(0,0);
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}
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void led_driver_clock() {
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    LATAbits.LATA1 = 0x1; // Simple clock output toggle
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    Nop();
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    LATAbits.LATA1 = 0x0;
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    Nop();
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}
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void led_driver_data(char left, char right) {
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    int i;
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    LATAbits.LATA0 = 0x0; // Set latch low to pause display
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    for (i = 0; i < 8; i++) {
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        LATAbits.LATA2 = right & 0x1;   // Shift out right character first
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        led_driver_clock();
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        right >>= 1;
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    }
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    for (i = 0; i < 8; i++) {
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        LATAbits.LATA2 = left & 0x1;   // Then shift out left character
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        led_driver_clock();
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        left >>= 1;
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    }
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    LATAbits.LATA0 = 0x1; // Set latch high to resume display
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}
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void led_driver_num(unsigned char data) {
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    unsigned char left = 0;
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    unsigned char right = 0;
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    unsigned char tmp = 0;
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//    if (data > 99) {
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//        led_driver_data(0,0);
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//        return;
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//    }
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    // Determine right character (1s digit)
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    tmp = data % 10;
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    switch (tmp) {
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        case 0:
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            right = LED_CHAR_0;
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            break;
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        case 1:
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            right = LED_CHAR_1;
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            break;
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        case 2:
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            right = LED_CHAR_2;
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            break;
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        case 3:
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            right = LED_CHAR_3;
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            break;
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        case 4:
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            right = LED_CHAR_4;
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            break;
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        case 5:
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            right = LED_CHAR_5;
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            break;
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        case 6:
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            right = LED_CHAR_6;
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            break;
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        case 7:
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            right = LED_CHAR_7;
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            break;
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        case 8:
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            right = LED_CHAR_8;
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            break;
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        case 9:
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            right = LED_CHAR_9;
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            break;
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    }
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    // Determine left character (10s digit)
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    tmp = data / 10;
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    switch (tmp) {
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        case 0:
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            left = LED_CHAR_0;
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            break;
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        case 1:
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            left = LED_CHAR_1;
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            break;
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        case 2:
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            left = LED_CHAR_2;
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            break;
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        case 3:
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            left = LED_CHAR_3;
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            break;
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        case 4:
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            left = LED_CHAR_4;
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            break;
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        case 5:
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            left = LED_CHAR_5;
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            break;
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        case 6:
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            left = LED_CHAR_6;
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            break;
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        case 7:
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            left = LED_CHAR_7;
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            break;
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        case 8:
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            left = LED_CHAR_8;
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            break;
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        case 9:
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            left = LED_CHAR_9;
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            break;
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    }
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    led_driver_data(left, right);
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//    if (data <= 25) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_0);
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//    } else if (data > 25 && data <= 50) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_1);
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//    } else if (data > 50 && data <= 75) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_2);
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//    } else if (data > 75 && data <= 100) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_3);
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//    } else if (data > 100 && data <= 125) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_4);
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//    } else if (data > 125 && data <= 150) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_5);
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//    } else if (data > 150 && data <= 175) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_6);
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//    } else if (data > 175 && data <= 200) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_7);
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//    } else if (data > 200 && data <= 225) {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_8);
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//    } else {
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//        led_driver_data(LED_CHAR_BLANK,LED_CHAR_9);
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//    }
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}