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Line 22... Line 22...
22 
            ctrl_data_p->led_status[i].w[j] = 0x0;
 22 
            ctrl_data_p->led_status[i].w[j] = 0x0;
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        }
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        }
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    }
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    }
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    ctrl_data_p->connected_count = 0x0;
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    ctrl_data_p->connected_count = 0x0;
- 
 
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    ctrl_data_p->next_poll = 0x0;
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    // Poll to see which controllers are connected
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    // Poll to see which controllers are connected
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    Controller_Poll_Connected();
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    Controller_Poll_Connected();
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}
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}
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Line 46... Line 47...
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            ctrl_data_p->connected_controllers[ctrl_data_p->connected_count] = address + i;
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            ctrl_data_p->connected_controllers[ctrl_data_p->connected_count] = address + i;
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            ctrl_data_p->connected_count++;
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            ctrl_data_p->connected_count++;
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        }
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        }
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        // A small delay is needed between polls
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        // A small delay is needed between polls
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        Delay_MS(1);
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        Delay_US(500);
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    }
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    }
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 54 
 
54 
    // Show the number of controllers connected
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    // Show the number of controllers connected
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    if (ctrl_data_p->connected_count & 0x1)
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    if (ctrl_data_p->connected_count & 0x1)
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        LED1_LAT = 1;
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        LED1_LAT = 1;
Line 62... Line 63...
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        LED4_LAT = 1;
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        LED4_LAT = 1;
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}
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}
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 65 
 
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void Controller_Update(void) {
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void Controller_Update(void) {
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    uint8_t buffer[2];
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    uint8_t buffer[2];
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    uint8_t result, length, i, j;
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    uint8_t result, length;
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    CTRL_BTN_STATUS btn_change;
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    CTRL_BTN_STATUS btn_change;
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- 
 
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    for (i = 0; i < ctrl_data_p->connected_count; i++) {
 - 
 
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        // Store the last read values
 - 
 
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        ctrl_data_p->btn_prev[i] = ctrl_data_p->btn_curr[i];
 - 
 
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 70 
 
- 
 
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    uint8_t controller = ctrl_data_p->next_poll;
- 
 
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- 
 
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    // Store the last read values
- 
 
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    ctrl_data_p->btn_prev[controller] = ctrl_data_p->btn_curr[controller];
- 
 
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        // Read in the button values for each controller
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    // Read in the button values for each controller
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        I2C1_Master_Restart(ctrl_data_p->connected_controllers[i], CONTROLLER_CMD_READ, 1);
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    I2C1_Master_Restart(ctrl_data_p->connected_controllers[controller], CONTROLLER_CMD_READ, 1);
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        do {
 78 
    do {
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            result = I2C1_Get_Status();
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        result = I2C1_Get_Status();
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        } while (!result);
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    } while (!result);
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        // Save the read values
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    // Save the read values
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        length = I2C1_Read_Buffer(buffer);
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    length = I2C1_Read_Buffer(buffer);
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        ctrl_data_p->btn_curr[i].w = buffer[0];
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    ctrl_data_p->btn_curr[controller].w = buffer[0];
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 84 
 
83 
        // Determine if a change was made between the current and previous values
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    // Determine if a change was made between the current and previous values
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        if (ctrl_data_p->btn_curr[i].w != ctrl_data_p->btn_prev[i].w) {
 86 
    if (ctrl_data_p->btn_curr[controller].w != ctrl_data_p->btn_prev[controller].w) {
85 
            // Determine if a button was pressed (unpressed->pressed)
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        // Determine if a button was pressed (unpressed->pressed)
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            btn_change.w = ctrl_data_p->btn_prev[i].w ^ ctrl_data_p->btn_curr[i].w;
 88 
        btn_change.w = ctrl_data_p->btn_prev[controller].w ^ ctrl_data_p->btn_curr[controller].w;
87 
            btn_change.w &= ctrl_data_p->btn_curr[i].w;
 89 
        btn_change.w &= ctrl_data_p->btn_curr[controller].w;
88 
 
 90 
 
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            // If a button was pressed, call the saved callback
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        // If a button was pressed, call the saved callback
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            if (btn_change.w) {
 92 
        if (btn_change.w) {
91 
                if (ctrl_data_p->change_callback != NULL) {
 93 
            if (ctrl_data_p->change_callback != NULL) {
92 
                    ctrl_data_p->change_callback(i, btn_change);
 94 
                ctrl_data_p->change_callback(controller, btn_change);
93 
                }
 - 
 
94 
            }
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            }
95 
        }
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        }
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    }
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    }
- 
 
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- 
 
 99 
    ctrl_data_p->next_poll = (controller == ctrl_data_p->connected_count - 1) ? 0x0 : controller+1;
97 
}
 100 
}
98 
 
 101 
 
99 
void Controller_Set_Left_Leds(uint8_t controller, uint8_t value) {
 102 
void Controller_Set_Left_Leds(uint8_t controller, uint8_t value) {
100 
    uint8_t result, i;
 103 
    uint8_t result, i;
101 
    uint8_t buffer[18];
 104 
    uint8_t buffer[18];