Add serial port support for ATMega328

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@3336 38d2e660-2303-0410-9eaa-f027e97ec537

diff --git a/bertos/cpu/avr/drv/ser_avr.c b/bertos/cpu/avr/drv/ser_avr.c
index d6de8243dbb27056be9a71158b2d97090bd97da2..c7c36ff77e163e83cde9fd0bc495b3d8309d89e3 100644 (file)
--- a/bertos/cpu/avr/drv/ser_avr.c
+++ b/bertos/cpu/avr/drv/ser_avr.c
@@ -26,7 +26,7 @@
  * invalidate any other reasons why the executable file might be covered by
  * the GNU General Public License.
  *
- * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2003, 2004, 2010 Develer S.r.l. (http://www.develer.com/)
  * Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
  *
  * -->
@@ -37,6 +37,7 @@
  *
  * \author Bernie Innocenti <bernie@codewiz.org>
  * \author Stefano Fedrigo <aleph@develer.com>
+ * \author Luca Ottaviano <lottaviano@develer.com>
  */
 
 #include "hw/hw_ser.h"  /* Required for bus macros overrides */
@@ -85,6 +86,16 @@
        #define BIT_RXEN1  RXEN1
        #define BIT_TXEN1  TXEN1
        #define BIT_UDRIE1 UDRIE1
+#elif CPU_AVR_ATMEGA328P
+       #define BIT_RXCIE0 RXCIE0
+       #define BIT_RXEN0  RXEN0
+       #define BIT_TXEN0  TXEN0
+       #define BIT_UDRIE0 UDRIE0
+
+       #define BIT_RXCIE1 RXCIE0
+       #define BIT_RXEN1  RXEN0
+       #define BIT_TXEN1  TXEN0
+       #define BIT_UDRIE1 UDRIE0
 #else
        #define BIT_RXCIE0 RXCIE
        #define BIT_RXEN0  RXEN
@@ -248,7 +259,16 @@
        #define SPI_SCK_BIT   PB1
        #define SPI_MOSI_BIT  PB2
        #define SPI_MISO_BIT  PB3
-#elif CPU_AVR_ATMEGA8
+// TODO: these bits are the same as ATMEGA8 but the defines in avr-gcc are different.
+// They should be the same!
+#elif CPU_AVR_ATMEGA328P
+       #define SPI_PORT      PORTB
+       #define SPI_DDR       DDRB
+       #define SPI_SS_BIT    PORTB2
+       #define SPI_SCK_BIT   PORTB5
+       #define SPI_MOSI_BIT  PORTB3
+       #define SPI_MISO_BIT  PORTB4
+#elif CPU_AVR_ATMEGA8 || CPU_AVR_ATMEGA168
        #define SPI_PORT      PORTB
        #define SPI_DDR       DDRB
        #define SPI_SS_BIT    PB2
@@ -262,6 +282,11 @@
 /* USART register definitions */
 #if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
        #define AVR_HAS_UART1 1
+#elif CPU_AVR_ATMEGA328P
+       #define AVR_HAS_UART1 0
+       #define USART0_UDRE_vect USART_UDRE_vect
+       #define USART0_RX_vect USART_RX_vect
+       #define SIG_UART0_TRANS SIG_UART_TRANS
 #elif CPU_AVR_ATMEGA8
        #define AVR_HAS_UART1 0
        #define UCSR0A UCSRA
@@ -270,6 +295,7 @@
        #define UDR0   UDR
        #define UBRR0L UBRRL
        #define UBRR0H UBRRH
+/* TODO: The following SIGs are old style interrupts, must be refactored */
        #define SIG_UART0_DATA SIG_UART_DATA
        #define SIG_UART0_RECV SIG_UART_RECV
        #define SIG_UART0_TRANS SIG_UART_TRANS
@@ -279,6 +305,7 @@
        #define UDR0   UDR
        #define UCSR0A USR
        #define UBRR0L UBRR
+/* TODO: The following SIGs are old style interrupts, must be refactored */
        #define SIG_UART0_DATA SIG_UART_DATA
        #define SIG_UART0_RECV SIG_UART_RECV
        #define SIG_UART0_TRANS SIG_UART_TRANS

diff --git a/bertos/cpu/avr/drv/ser_avr.h b/bertos/cpu/avr/drv/ser_avr.h
index 4fafafec6598f5778cd911552a6102b721fbe0f6..5f4e8f6a39a1314d33b310ca988f47678c2f4a3f 100644 (file)
--- a/bertos/cpu/avr/drv/ser_avr.h
+++ b/bertos/cpu/avr/drv/ser_avr.h
@@ -26,13 +26,14 @@
  * invalidate any other reasons why the executable file might be covered by
  * the GNU General Public License.
  *
- * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
+ * Copyright 2007, 2010 Develer S.r.l. (http://www.develer.com/)
  *
  * -->
  *
  * \version $Id$
  *
  * \author Daniele Basile <asterix@develer.com>
+ * \author Luca Ottaviano <lottaviano@develer.com>
  *
  * \brief Low-level serial module for AVR (interface).
  *
@@ -90,7 +91,7 @@ enum
        SER_UART0,
        SER_UART1,
        SER_SPI,
-#elif CPU_AVR_ATMEGA103 || CPU_AVR_ATMEGA8
+#elif CPU_AVR_ATMEGA103 || CPU_AVR_ATMEGA8 || CPU_AVR_ATMEGA328P
        SER_UART0,
        SER_SPI,
 #else