WebSVN – Code-Repo – Diff – /Classwork/ECE4534 - Embedded Systems/PIC 26J11/main.c

     /* --------------------- Oscillator Configuration --------------------- */
     OSCTUNEbits.PLLEN = 1;          // Enable 4x PLL
     OSCCONbits.IRCF = 0b111;        // Set INTOSC postscaler to 8MHz
     OSCCONbits.SCS = 0b00; // Use PLL as primary clock source
+    OSCCONbits.IDLEN = 1;   // Set CPU to IDLE on sleep instruction
     /* -------------------------------------------------------------------- */
     // Set all ports as digial I/O
     ANCON0 = 0xFF;
     ANCON1 = 0x1F;
                         case 0x4:
                             // Return data stored in buffer
                             buffer_read(i2c_last_req_size, msgbuffer);
                             DBG_PRINT_MAIN("Main: (I2C Return 0x4) Returning %d bytes\r\n", i2c_last_req_size);
                             MQ_sendmsg_FromMainToHigh(i2c_last_req_size, MSGTYPE_I2C_REPLY, (void *) msgbuffer);
-                            pwm_LED_off();  // Turn off LED if it was on
                             break;
                         case 0x6:
                             // Return status of IR signal input
                             length = 1;
                             msgbuffer[0] = IR_receive_flag;
                         // Receive data from same remote that previously sent data
                         buffer_insert(length - XBEE_RX_DATA_PACKET_FRAME_SIZE, frame_data_packet->data);
+                    }
                     // Send value of first byte received to LED display
-                    led_driver_num(frame_data_packet->data[0]);
+//                    led_driver_num(frame_data_packet->data[0]);
 #endif
 #ifdef _REMOTE
                     led_driver_num(frame_data_packet->data[0]);
 #endif
                     sleep();
             if (length != MSG_QUEUE_EMPTY) {
                 DBG_PRINT_MAIN("Main: (ERROR) Bad low priority receive, code = %d\r\n", length);
+            }
         } else {
             switch (msgtype) {
-                case MSGTYPE_INT1:
-#ifdef _BASE_STATION
-                    wake();
-                    IR_receive_flag = 1;
-                    pwm_LED_on();
-//                    timer2_enable();    // Enable timer 2 to turn off LED
-                    sleep();
-//                    DBG_PRINT_MAIN("Main: INT1 Interrupt\r\n");
-#endif
-                    break;
                 /* --- Port B Interrupt Handlers -----------------------------*/
                 case MSGTYPE_PORTB_4_DOWN:
                     DBG_PRINT_MAIN("Main: Port B4 Down\r\n");
 #ifdef _REMOTE
                     if (xbee_state == XBEE_STATE_JOINED_NETWORK) {
                         sleep();
+                    }
 #endif
                     break;
                     /* -----------------------------------------------------------*/
+                case MSGTYPE_INT1:
+#ifdef _BASE_STATION
+                    wake();
+                    IR_receive_flag = 1;
+                    sleep();
+//                    DBG_PRINT_MAIN("Main: INT1 Interrupt\r\n");
+#endif
+                    break;
                     /* --- Timer Interrupt Handlers ------------------------------*/
                 case MSGTYPE_TIMER0:
                     DBG_PRINT_MAIN("Main: Timer 0 Interrupt\r\n");
 #ifdef _BASE_STATION
-                    pwm_LED_off();
                     IR_receive_flag = 0;    // Reset IR receive flag
                     INTCON3bits.INT1IE = 1; // Turn on INT1 interrupt
 #endif
                     sleep_enable();
                     break;
                 case MSGTYPE_TIMER1:
                     DBG_PRINT_MAIN("Main: Timer 1 Interrupt\r\n");
 #ifdef _REMOTE
-//                    /* XBee Demo */
-//                    frame_tx_data = (void *) msgbuffer;
-//                    frame_tx_data->frame_type = XBEE_TX_DATA_PACKET;
-//                    frame_tx_data->frame_id = 0;
-//                    frame_tx_data->destination_64.UPPER_32.long_value = 0x00000000;
-//                    frame_tx_data->destination_64.LOWER_32.long_value = 0x00000000;
-//                    ConvertEndian64(&frame_tx_data->destination_64);
-//                    frame_tx_data->destination_16.INT_16.int_value = xbee_parent_address;
-//                    ConvertEndian16(&frame_tx_data->destination_16);
-//                    frame_tx_data->broadcast_radius = 1;
-//                    frame_tx_data->options = 0x01; // Disable ACK
-//                    frame_tx_data->data[0] = counter;
-//
-//                    led_driver_num(counter);
-//                    counter++;
-//                    if (counter == 100)
-//                        counter = 0;
-//
-//                    length = XBEE_TX_DATA_PACKET_FRAME_SIZE + 1;
-//                    xbee_process_transmit_frame((void *) msgbuffer, length);
                     /* Read values from accelerometer and gyroscope */
                     if (i2c_state == I2C_STATE_READ_GYRO) {
                         imu_read_acc();
                         i2c_state = I2C_STATE_READ_ACC;
                     } else if (i2c_state == I2C_STATE_READ_ACC) {
 #endif
                     break;
                 case MSGTYPE_TIMER2:
                     DBG_PRINT_MAIN("Main: Timer 2 Interrupt\r\n");
 #ifdef _BASE_STATION
-                    IR_receive_flag = 0;
+//                    IR_receive_flag = 0;
-                    pwm_LED_off();
+//                    pwm_LED_off();
-                    INTCON3bits.INT1IE = 1; // Turn on INT1 interrupt
+//                    INTCON3bits.INT1IE = 1; // Turn on INT1 interrupt
 #endif
                     break;
 //                case MSGTYPE_ADC_NEWVALUE:
 //                    // Get the value in the ADC
 //                    adc_last_value = *((unsigned int*) msgbuffer);

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(root)/Classwork/ECE4534 - Embedded Systems/PIC 26J11/main.c – Rev 116 → 117