Fixed ISR definition conflict in the XPLAIN bridge between the software UART and...
authorDean Camera <dean@fourwalledcubicle.com>
Sun, 10 Oct 2010 06:23:45 +0000 (06:23 +0000)
committerDean Camera <dean@fourwalledcubicle.com>
Sun, 10 Oct 2010 06:23:45 +0000 (06:23 +0000)
Projects/XPLAINBridge/Lib/SoftUART.c
Projects/XPLAINBridge/Lib/SoftUART.h

index b96b45f..12fdf96 100644 (file)
@@ -67,11 +67,11 @@ void SoftUART_Init(void)
        SoftUART_SetBaud(9600);
 
        /* Setup reception timer compare ISR */
-       TIMSK1 = (1 << OCIE1A);
+       TIMSK1 = (1 << ICIE1);
 
        /* Setup transmission timer compare ISR and start the timer */
-       TIMSK3 = (1 << OCIE3A);
-       TCCR3B = ((1 << CS30) | (1 << WGM32));
+       TIMSK3 = (1 << ICIE3);
+       TCCR3B = ((1 << CS30) | (1 << WGM33) | (1 << WGM32));
 }
 
 /** ISR to detect the start of a bit being sent to the software UART. */
@@ -90,12 +90,12 @@ ISR(INT0_vect, ISR_BLOCK)
                EIMSK = 0;
 
                /* Start the reception timer */
-               TCCR1B = ((1 << CS10) | (1 << WGM12));
+               TCCR1B = ((1 << CS10) | (1 << WGM13) | (1 << WGM12));
        }
 }
 
 /** ISR to manage the reception of bits to the software UART. */
-ISR(TIMER1_COMPA_vect, ISR_BLOCK)
+ISR(TIMER1_CAPT_vect, ISR_BLOCK)
 {
        /* Cache the current RX pin value for later checking */
        uint8_t SRX_Cached = (SRXPIN & (1 << SRX));
@@ -120,12 +120,12 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 
                /* Reception complete, store the received byte if stop bit valid */
                if (SRX_Cached)
-                 RingBuffer_Insert(&UARTtoUSB_Buffer, RX_Data);        
+                 RingBuffer_Insert(&XMEGAtoUSB_Buffer, RX_Data);       
        }
 }
 
 /** ISR to manage the transmission of bits via the software UART. */
-ISR(TIMER3_COMPA_vect, ISR_BLOCK)
+ISR(TIMER3_CAPT_vect, ISR_BLOCK)
 {
        /* Check if transmission has finished */
        if (TX_BitsRemaining)
@@ -140,13 +140,13 @@ ISR(TIMER3_COMPA_vect, ISR_BLOCK)
                TX_Data >>= 1;
                TX_BitsRemaining--;
        }
-       else if (!(RX_BitsRemaining) && !(RingBuffer_IsEmpty(&USBtoUART_Buffer)))
+       else if (!(RX_BitsRemaining) && !(RingBuffer_IsEmpty(&USBtoXMEGA_Buffer)))
        {
                /* Start bit - TX line low */
                STXPORT &= ~(1 << STX);
 
                /* Transmission complete, get the next byte to send (if available) */
-               TX_Data          = ~RingBuffer_Remove(&USBtoUART_Buffer);
+               TX_Data          = ~RingBuffer_Remove(&USBtoXMEGA_Buffer);
                TX_BitsRemaining = 9;
        }
 }
index 7203b3a..923631b 100644 (file)
   this software.
 */
 
+/** \file
+ *
+ *  Header file for SoftUART.c.
+ */
+
 #ifndef _SOFT_UART_
 #define _SOFT_UART_
 
@@ -55,8 +60,8 @@
                {
                        uint16_t BitTime = ((F_CPU / Baud) - 1);
                
-                       OCR1A = BitTime;
-                       OCR3A = BitTime;
+                       ICR1 = BitTime;
+                       ICR3 = BitTime;
                }
 
        /* Function Prototypes: */