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Rev 109 Rev 111
Line 10... Line 10...
10 
    TRISAbits.TRISA5 = 1;
 10 
    TRISAbits.TRISA5 = 1;
11
11
12 
    TRISCbits.TRISC2 = 0;
 12 
    TRISCbits.TRISC2 = 0;
13 
    LATCbits.LATC2 = 0;
 13 
    LATCbits.LATC2 = 0;
14 
 
 14 
 
15 
    RPINR1 = 16; // Bind INT1 interrupt to RP2
 15 
    RPINR1 = 2; // Bind INT1 interrupt to RP2
16 
 
 16 
 
17 
    INTCON3bits.INT1IE = 1;     // Enable interrupt for INT1
 17 
    INTCON3bits.INT1IE = 1;     // Enable interrupt for INT1
18 
    INTCON2bits.INTEDG1 = 0;    // Trigger on falling edge
 18 
    INTCON2bits.INTEDG1 = 0;    // Trigger on falling edge
19 
}
 19 
}
20 
 
 20 
 
21 
void int1_interrupt_handler() {
 21 
void int1_interrupt_handler() {
22 
    LATCbits.LATC2 = 1;
 22 
    LATCbits.LATC2 = 1;
23 
    Delay10KTCYx(100);
 23 
    Delay10TCYx(1);
24 
    LATCbits.LATC2 = 0;
 24 
    LATCbits.LATC2 = 0;
25 
}
 25 
}
26 
 
 26 
 
27 
void port_b_int_init() {
 27 
void port_b_int_init() {
28 
    port_b_prev_state = 0x0F;
 28 
    port_b_prev_state = 0x0F;
Line 42... Line 42...
42 
    PORTBbits.RB7 = 1;
 42 
    PORTBbits.RB7 = 1;
43 
    LATBbits.LATB4 = 1;
 43 
    LATBbits.LATB4 = 1;
44 
    LATBbits.LATB5 = 1;
 44 
    LATBbits.LATB5 = 1;
45 
    LATBbits.LATB6 = 1;
 45 
    LATBbits.LATB6 = 1;
46 
    LATBbits.LATB7 = 1;
 46 
    LATBbits.LATB7 = 1;
47 
 
 - 
 
48 
    // Enable Port B interrupt
 - 
 
49 
    INTCONbits.RBIE = 1;
 - 
 
50 
}
 47 
}
51 
 
 48 
 
52 
void port_b_int_interrupt_handler() {
 49 
void port_b_int_interrupt_handler() {
53 
    // Pull the new pin values
 50 
    // Pull the new pin values
54 
    unsigned char new_state = (PORTB & 0xF0) >> 4;
 51 
    unsigned char new_state = (PORTB & 0xF0) >> 4;
55 
 
 52 
 
56 
    // Query which pin input value changed and send value to main()
 53 
    // Query which pin input value changed and send value to main()
57 
    if ((new_state ^ port_b_prev_state) & 0x01) {
 54 
    if ((new_state ^ port_b_prev_state) & 0x01) {
58 
        if (port_b_prev_state & 0x01) {
 55 
        if (port_b_prev_state & 0x01) {
59 
            // Pin transitioned LOW -> HIGH (button released)
 - 
 
60 
            DBG_PRINT_PORTB_INT("Port B4 LOW->HIGH\r\n");
 - 
 
61 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_4_UP, (void *) 0);
 - 
 
62 
        } else {
 - 
 
63 
            // Pin transitioned HIGH -> LOW (button pressed)
 56 
            // Pin transitioned HIGH -> LOW (button pressed)
64 
            DBG_PRINT_PORTB_INT("Port B4 HIGH->LOW\r\n");
 57 
            DBG_PRINT_PORTB_INT("Port B4 HIGH->LOW\r\n");
65 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_4_DOWN, (void *) 0);
 58 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_4_DOWN, (void *) 0);
- 
 
 59 
        } else {
- 
 
 60 
            // Pin transitioned LOW -> HIGH (button released)
- 
 
 61 
            DBG_PRINT_PORTB_INT("Port B4 LOW->HIGH\r\n");
- 
 
 62 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_4_UP, (void *) 0);
66 
        }
 63 
        }
67 
    }
 64 
    }
68 
    if ((new_state ^ port_b_prev_state) & 0x02) {
 65 
    if ((new_state ^ port_b_prev_state) & 0x02) {
69 
        if (port_b_prev_state & 0x02) {
 66 
        if (port_b_prev_state & 0x02) {
70 
            // Pin transitioned LOW -> HIGH (button released)
 - 
 
71 
            DBG_PRINT_PORTB_INT("Port B5 LOW->HIGH\r\n");
 - 
 
72 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_5_UP, (void *) 0);
 - 
 
73 
        } else {
 - 
 
74 
            // Pin transitioned HIGH -> LOW (button pressed)
 67 
            // Pin transitioned HIGH -> LOW (button pressed)
75 
            DBG_PRINT_PORTB_INT("Port B5 HIGH->LOW\r\n");
 68 
            DBG_PRINT_PORTB_INT("Port B5 HIGH->LOW\r\n");
76 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_5_DOWN, (void *) 0);
 69 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_5_DOWN, (void *) 0);
- 
 
 70 
        } else {
- 
 
 71 
            // Pin transitioned LOW -> HIGH (button released)
- 
 
 72 
            DBG_PRINT_PORTB_INT("Port B5 LOW->HIGH\r\n");
- 
 
 73 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_5_UP, (void *) 0);
77 
        }
 74 
        }
78 
    }
 75 
    }
79 
    if ((new_state ^ port_b_prev_state) & 0x04) {
 76 
    if ((new_state ^ port_b_prev_state) & 0x04) {
80 
        if (port_b_prev_state & 0x04) {
 77 
        if (port_b_prev_state & 0x04) {
81 
            // Pin transitioned LOW -> HIGH (button released)
 - 
 
82 
            DBG_PRINT_PORTB_INT("Port B6 LOW->HIGH\r\n");
 - 
 
83 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_6_UP, (void *) 0);
 - 
 
84 
        } else {
 - 
 
85 
            // Pin transitioned HIGH -> LOW (button pressed)
 78 
            // Pin transitioned HIGH -> LOW (button pressed)
86 
            DBG_PRINT_PORTB_INT("Port B6 HIGH->LOW\r\n");
 79 
            DBG_PRINT_PORTB_INT("Port B6 HIGH->LOW\r\n");
87 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_6_DOWN, (void *) 0);
 80 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_6_DOWN, (void *) 0);
- 
 
 81 
        } else {
- 
 
 82 
            // Pin transitioned LOW -> HIGH (button released)
- 
 
 83 
            DBG_PRINT_PORTB_INT("Port B6 LOW->HIGH\r\n");
- 
 
 84 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_6_UP, (void *) 0);
88 
        }
 85 
        }
89 
    }
 86 
    }
90 
    if ((new_state ^ port_b_prev_state) & 0x08) {
 87 
    if ((new_state ^ port_b_prev_state) & 0x08) {
91 
        if (port_b_prev_state & 0x08) {
 88 
        if (port_b_prev_state & 0x08) {
92 
            // Pin transitioned LOW -> HIGH (button released)
 - 
 
93 
            DBG_PRINT_PORTB_INT("Port B7 LOW->HIGH\r\n");
 - 
 
94 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_7_UP, (void *) 0);
 - 
 
95 
        } else {
 - 
 
96 
            // Pin transitioned HIGH -> LOW (button pressed)
 89 
            // Pin transitioned HIGH -> LOW (button pressed)
97 
            DBG_PRINT_PORTB_INT("Port B7 HIGH->LOW\r\n");
 90 
            DBG_PRINT_PORTB_INT("Port B7 HIGH->LOW\r\n");
98 
            MQ_sendmsg_ToMainFromHigh(0, MSGTYPE_PORTB_7_DOWN, (void *) 0);
 91 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_7_DOWN, (void *) 0);
- 
 
 92 
        } else {
- 
 
 93 
            // Pin transitioned LOW -> HIGH (button released)
- 
 
 94 
            DBG_PRINT_PORTB_INT("Port B7 LOW->HIGH\r\n");
- 
 
 95 
            MQ_sendmsg_ToMainFromLow(0, MSGTYPE_PORTB_7_UP, (void *) 0);
99 
        }
 96 
        }
100 
    }
 97 
    }
101
98
102 
    // Save the new state of pins
 99 
    // Save the new state of pins
103 
    port_b_prev_state = new_state;
 100 
    port_b_prev_state = new_state;