Compiled ATmega16 port example project with IAR Embedded workbench.

bacnet-stack/ports/atmega168/bacnet.eww

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="iso-8859-1"?>
+
+<workspace>
+  <project>
+    <path>$WS_DIR$\bacnet.ewp</path>
+  </project>
+  <batchBuild/>
+</workspace>
+
+

bacnet-stack/ports/atmega168/device.c

@@ -270,7 +270,7 @@ int Device_Encode_Property_APDU(
             for (i = 0; i < MAX_BACNET_SERVICES_SUPPORTED; i++) {
                 /* automatic lookup based on handlers set */
                 bitstring_set_bit(&bit_string, (uint8_t) i,
-                    apdu_service_supported(i));
+                    apdu_service_supported((BACNET_SERVICES_SUPPORTED)i));
             }
             apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
             break;

bacnet-stack/ports/atmega168/hardware.h

@@ -25,16 +25,19 @@
 #ifndef HARDWARE_H
 #define HARDWARE_H
 
-/* The processor clock frequency */
+#if !defined(F_CPU)
-#define F_CPU (7372800)
+    /* The processor clock frequency */
+    #define F_CPU (7372800)
+#endif
 
-#include <avr/io.h>
+#if defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ASM__)
-#include <avr/interrupt.h>
+    #include <iom168.h>
-#include <util/delay.h>
+#else
+    #if !defined(__AVR_ATmega168__)
+    #error Firmware is configured for ATmega168 only (-mmcu=atmega168)
+    #endif
+#endif
+#include "iar2gcc.h"
 #include "avr035.h"
 
-#if !defined(__AVR_ATmega168__)
-#error Firmware is configured for ATmega168 only.
-#endif
-
 #endif

bacnet-stack/ports/atmega168/iar2gcc.h

@@ -0,0 +1,196 @@
+/*####COPYRIGHTBEGIN####
+ -------------------------------------------
+ Copyright (C) 2007 Steve Karg
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License
+ as published by the Free Software Foundation; either version 2
+ of the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to:
+ The Free Software Foundation, Inc.
+ 59 Temple Place - Suite 330
+ Boston, MA  02111-1307, USA.
+
+ As a special exception, if other files instantiate templates or
+ use macros or inline functions from this file, or you compile
+ this file and link it with other works to produce a work based
+ on this file, this file does not by itself cause the resulting
+ work to be covered by the GNU General Public License. However
+ the source code for this file must still be made available in
+ accordance with section (3) of the GNU General Public License.
+
+ This exception does not invalidate any other reasons why a work
+ based on this file might be covered by the GNU General Public
+ License.
+ -------------------------------------------
+####COPYRIGHTEND####*/
+#ifndef IAR2GCC_H
+#define IAR2GCC_H
+
+#if defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ASM__)
+    #include <inavr.h>
+    #include <ioavr.h>
+    #define _BV(bit_num) (1 << (bit_num))
+    #define _delay_us(x) \
+
+/* inline function */
+static inline void delay_us(uint8_t microseconds)
+{
+    do {
+        __delay_cycles(F_CPU/1000000);
+    } while (microseconds--);
+}
+
+#else
+    #if !defined(F_CPU)
+        #define F_CPU (7372800)
+    #endif
+    #include <avr/io.h>
+    #include <avr/interrupt.h>
+    #include <util/delay.h>
+
+    typedef struct
+    {
+      unsigned char bit0:1;
+      unsigned char bit1:1;
+      unsigned char bit2:1;
+      unsigned char bit3:1;
+      unsigned char bit4:1;
+      unsigned char bit5:1;
+      unsigned char bit6:1;
+      unsigned char bit7:1;
+    } BitRegisterType;
+
+    #ifndef true
+    #define true 1
+    #endif
+
+    #ifndef false
+    #define false 0
+    #endif
+
+    #define GPIO_BITREG(port,bitnum) \
+        ((volatile BitRegisterType*)_SFR_MEM_ADDR(port) \
+        )->bit ## bitnum
+
+    #define PINA_Bit0  GPIO_BITREG(PINA,0)
+    #define PINA_Bit1  GPIO_BITREG(PINA,1)
+    #define PINA_Bit2  GPIO_BITREG(PINA,2)
+    #define PINA_Bit3  GPIO_BITREG(PINA,3)
+    #define PINA_Bit4  GPIO_BITREG(PINA,4)
+    #define PINA_Bit5  GPIO_BITREG(PINA,5)
+    #define PINA_Bit6  GPIO_BITREG(PINA,6)
+    #define PINA_Bit7  GPIO_BITREG(PINA,7)
+
+    #define PORTA_Bit0 GPIO_BITREG(PORTA,0)
+    #define PORTA_Bit1 GPIO_BITREG(PORTA,1)
+    #define PORTA_Bit2 GPIO_BITREG(PORTA,2)
+    #define PORTA_Bit3 GPIO_BITREG(PORTA,3)
+    #define PORTA_Bit4 GPIO_BITREG(PORTA,4)
+    #define PORTA_Bit5 GPIO_BITREG(PORTA,5)
+    #define PORTA_Bit6 GPIO_BITREG(PORTA,6)
+    #define PORTA_Bit7 GPIO_BITREG(PORTA,7)
+
+    #define PINB_Bit0  GPIO_BITREG(PINB,0)
+    #define PINB_Bit1  GPIO_BITREG(PINB,1)
+    #define PINB_Bit2  GPIO_BITREG(PINB,2)
+    #define PINB_Bit3  GPIO_BITREG(PINB,3)
+    #define PINB_Bit4  GPIO_BITREG(PINB,4)
+    #define PINB_Bit5  GPIO_BITREG(PINB,5)
+    #define PINB_Bit6  GPIO_BITREG(PINB,6)
+    #define PINB_Bit7  GPIO_BITREG(PINB,7)
+
+    #define PORTB_Bit0 GPIO_BITREG(PORTB,0)
+    #define PORTB_Bit1 GPIO_BITREG(PORTB,1)
+    #define PORTB_Bit2 GPIO_BITREG(PORTB,2)
+    #define PORTB_Bit3 GPIO_BITREG(PORTB,3)
+    #define PORTB_Bit4 GPIO_BITREG(PORTB,4)
+    #define PORTB_Bit5 GPIO_BITREG(PORTB,5)
+    #define PORTB_Bit6 GPIO_BITREG(PORTB,6)
+    #define PORTB_Bit7 GPIO_BITREG(PORTB,7)
+
+    #define PINC_Bit0  GPIO_BITREG(PINC,0)
+    #define PINC_Bit1  GPIO_BITREG(PINC,1)
+    #define PINC_Bit2  GPIO_BITREG(PINC,2)
+    #define PINC_Bit3  GPIO_BITREG(PINC,3)
+    #define PINC_Bit4  GPIO_BITREG(PINC,4)
+    #define PINC_Bit5  GPIO_BITREG(PINC,5)
+    #define PINC_Bit6  GPIO_BITREG(PINC,6)
+    #define PINC_Bit7  GPIO_BITREG(PINC,7)
+
+    #define PORTC_Bit0 GPIO_BITREG(PORTC,0)
+    #define PORTC_Bit1 GPIO_BITREG(PORTC,1)
+    #define PORTC_Bit2 GPIO_BITREG(PORTC,2)
+    #define PORTC_Bit3 GPIO_BITREG(PORTC,3)
+    #define PORTC_Bit4 GPIO_BITREG(PORTC,4)
+    #define PORTC_Bit5 GPIO_BITREG(PORTC,5)
+    #define PORTC_Bit6 GPIO_BITREG(PORTC,6)
+    #define PORTC_Bit7 GPIO_BITREG(PORTC,7)
+
+    #define PIND_Bit0  GPIO_BITREG(PIND,0)
+    #define PIND_Bit1  GPIO_BITREG(PIND,1)
+    #define PIND_Bit2  GPIO_BITREG(PIND,2)
+    #define PIND_Bit3  GPIO_BITREG(PIND,3)
+    #define PIND_Bit4  GPIO_BITREG(PIND,4)
+    #define PIND_Bit5  GPIO_BITREG(PIND,5)
+    #define PIND_Bit6  GPIO_BITREG(PIND,6)
+    #define PIND_Bit7  GPIO_BITREG(PIND,7)
+
+    #define PORTD_Bit0 GPIO_BITREG(PORTD,0)
+    #define PORTD_Bit1 GPIO_BITREG(PORTD,1)
+    #define PORTD_Bit2 GPIO_BITREG(PORTD,2)
+    #define PORTD_Bit3 GPIO_BITREG(PORTD,3)
+    #define PORTD_Bit4 GPIO_BITREG(PORTD,4)
+    #define PORTD_Bit5 GPIO_BITREG(PORTD,5)
+    #define PORTD_Bit6 GPIO_BITREG(PORTD,6)
+    #define PORTD_Bit7 GPIO_BITREG(PORTD,7)
+
+    #define GPIOR0_Bit0 GPIO_BITREG(GPIOR0,0)
+    #define GPIOR0_Bit1 GPIO_BITREG(GPIOR0,1)
+    #define GPIOR0_Bit2 GPIO_BITREG(GPIOR0,2)
+    #define GPIOR0_Bit3 GPIO_BITREG(GPIOR0,3)
+    #define GPIOR0_Bit4 GPIO_BITREG(GPIOR0,4)
+    #define GPIOR0_Bit5 GPIO_BITREG(GPIOR0,5)
+    #define GPIOR0_Bit6 GPIO_BITREG(GPIOR0,6)
+    #define GPIOR0_Bit7 GPIO_BITREG(GPIOR0,7)
+
+    #define GPIOR1_Bit0 GPIO_BITREG(GPIOR1,0)
+    #define GPIOR1_Bit1 GPIO_BITREG(GPIOR1,1)
+    #define GPIOR1_Bit2 GPIO_BITREG(GPIOR1,2)
+    #define GPIOR1_Bit3 GPIO_BITREG(GPIOR1,3)
+    #define GPIOR1_Bit4 GPIO_BITREG(GPIOR1,4)
+    #define GPIOR1_Bit5 GPIO_BITREG(GPIOR1,5)
+    #define GPIOR1_Bit6 GPIO_BITREG(GPIOR1,6)
+    #define GPIOR1_Bit7 GPIO_BITREG(GPIOR1,7)
+
+    #define GPIOR2_Bit0 GPIO_BITREG(GPIOR2,0)
+    #define GPIOR2_Bit1 GPIO_BITREG(GPIOR2,1)
+    #define GPIOR2_Bit2 GPIO_BITREG(GPIOR2,2)
+    #define GPIOR2_Bit3 GPIO_BITREG(GPIOR2,3)
+    #define GPIOR2_Bit4 GPIO_BITREG(GPIOR2,4)
+    #define GPIOR2_Bit5 GPIO_BITREG(GPIOR2,5)
+    #define GPIOR2_Bit6 GPIO_BITREG(GPIOR2,6)
+    #define GPIOR2_Bit7 GPIO_BITREG(GPIOR2,7)
+
+    /* FIXME: intrinsic routines: map to assembler for size/speed */
+    #define __multiply_unsigned(x,y) ((x)*(y))
+
+
+    /* memory location */
+    #define __eeprom __attribute__((section (".eeprom")))
+    #define __flash  __attribute__((progmem))
+    /* __root means to not optimize or strip */
+    #define __root
+    #define __enable_interrupt() sei()
+    #define __disable_interrupt() cli()
+
+#endif
+
+#endif

bacnet-stack/ports/atmega168/main.c

@@ -95,7 +95,7 @@ static inline void init(
     BIT_SET(DDRD, DDD5);
 
     /* Enable global interrupts */
-    sei();
+    __enable_interrupt();
 }
 
 static uint8_t NPDU_Timer;
@@ -137,7 +137,8 @@ static inline void input_switch_read(
     uint8_t value;
     static uint8_t old_value = 0;
 
-    value = BITMASK_CHECK(PINC, 0x0F) | (BITMASK_CHECK(PINB, 0x07) << 4);
+    value = BITMASK_CHECK(PINC, 0x0F);
+    value |= (BITMASK_CHECK(PINB, 0x07) << 4);
     if (value != old_value) {
         old_value = value;
     } else {
@@ -176,6 +177,4 @@ int main(
             NPDU_LED_On();
         }
     }
-
-    return 0;
 }

bacnet-stack/ports/atmega168/readme.txt

@@ -30,12 +30,76 @@ C:\code\bacnet-stack\ports\atmega168> make clean all
 I also used the bacnet.aps project file in AVR Studio to 
 make the project and simulate it.
 
-Note that the bacnet stack is currently layed out as encapsulating 
+Compiler settings for IAR Embedded Workbench (FIXME: makefile?):
-modules that include both client and server functionality for each service.
+General Options
-The nice thing about the all in one modules that it permits easy unit 
+---------------
-testing. The bad thing is that it puts all the unused code into the build.  
+Target
-Therefore, until the code is split into separate modules, 
+ Processor configuration: --cpu=m168. ATmega168
-the unused sections must be commented out (use #if 0, #endif).  
+ Memory Model: Small
+ System configuration: Configure system using dialogs (not in .XCL file)
+Output
+ Executable
+ Output Directories: Debug\Exe, Debug\Obj, Debug\List
+Library Configuration
+ Library: CLIB
+Library Options
+ Printf formatter: Small
+ Scanf formatter: Medium
+Heap Configuration
+ CLIB heap size: 0x10
+System
+ CSTACK: 0x20 (0x60?)
+ RSTACK: 16 (32?)
+ Initialize unused interrupt vectors with RETI instructions (enabled)
+ Enable bit defnitions in I/O-Include files. (enabled)
+MISRA C
+ not enabled
+
+C/C++ Compiler
+--------------
+Language
+ Language: C
+ Require prototypes (not enabled)
+ Allow IAR extensions
+ Plain 'char' is Signed
+ Enable multibyte support (not enabled)
+Code
+ Memory utilization:
+  Place aggregate initializers in flash memory (enabled)
+  Force generation of all global and static variables (not enabled)
+ Register utilization:
+  Number of registers to lock for global variables: 0
+  Use ICCA90 1.x calling convention (not enabled)
+Optimizations
+ Size: High (Maximum optimization)
+ Number of cross-call passes: Unlimited
+ Always do cross call optimization (not enabled)
+Output
+ Module type: Override default (not enabled)
+ Object module name (not enabled)
+ Generate debug information (enabled)
+ No error messages in output files (not enabled)
+List
+ Output list file (not enabled)
+ Output assembler file (enabled)
+Preprocessor
+ Ignore standard include paths (not enabled)
+ Include paths: 
+  $PROJ_DIR$
+  $PROJ_DIR$\..\..\include
+ Preinclude file: (none)
+ Defined symbols: 
+  BACDL_MSTP
+  MAX_APDU=128
+  BIG_ENDIAN=0
+  MAX_TSM_TRANSACTIONS=0
+  BACAPP_REAL
+Diagnostics 
+ (not enabled)
+MISRA C
+ (not enabled)
+Extra Options
+ Use command line options (not enabled)
 
 Hopefully you find it useful!
 

bacnet-stack/ports/atmega168/stdbool.h

@@ -0,0 +1,28 @@
+#ifndef STDBOOL_H
+#define STDBOOL_H
+
+/* C99 Boolean types for compilers without C99 support */
+
+#ifndef __cplusplus
+/* typedef char _Bool; */
+#ifndef bool
+#define bool _Bool
+#endif
+#ifndef true
+#define true 1
+#endif
+#ifndef false
+#define false 0
+#endif
+#define __bool_true_false_are_defined 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef TRUE
+#define TRUE  1
+#endif
+
+#endif

bacnet-stack/ports/atmega168/stdint.h

@@ -0,0 +1,15 @@
+/* Defines the standard integer types that are used in code */
+
+#ifndef STDINT_H
+#define STDINT_H 1
+
+#include <stddef.h>
+
+typedef unsigned char uint8_t;  /* 1 byte  0 to 255 */
+typedef signed char int8_t;     /* 1 byte -127 to 127 */
+typedef unsigned short uint16_t;        /* 2 bytes 0 to 65535 */
+typedef signed short int16_t;   /* 2 bytes -32767 to 32767 */
+typedef unsigned long uint32_t; /* 4 bytes 0 to 4294967295 */
+typedef signed long int32_t;    /* 4 bytes -2147483647 to 2147483647 */
+
+#endif /* STDINT_H */

bacnet-stack/ports/atmega168/timer.c

@@ -22,7 +22,7 @@
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *********************************************************************/
-
+#include <stdint.h>
 #include "hardware.h"
 
 /* This module is a 1 millisecond timer */
@@ -46,7 +46,7 @@ void Timer_Initialize(
 {
     /* Normal Operation */
     TCCR1A = 0;
-    /* CSn2 CSn1 CSn0 Description  
+    /* CSn2 CSn1 CSn0 Description
        ---- ---- ---- -----------
        0    0    0  No Clock Source
        0    0    1  No prescaling
@@ -71,7 +71,12 @@ void Timer_Initialize(
 /* Timer interupt */
 /* note: Global interupts must be enabled - sei() */
 /* Timer Overflowed!  Increment the time. */
+#if defined(__IAR_SYSTEMS_ICC__) || defined(__IAR_SYSTEMS_ASM__)
+#pragma vector=TIMER0_OVF_vect
+__interrupt void myTIMER0_OVF_vect()
+#else
 ISR(TIMER0_OVF_vect)
+#endif
 {
     /* Set the counter for the next interrupt */
     TCNT0 = TIMER_COUNT;
@@ -91,7 +96,7 @@ uint16_t Timer_Silence(
     uint8_t sreg;
 
     sreg = SREG;
-    cli();
+    __disable_interrupt();
     timer = SilenceTime;
     SREG = sreg;
 
@@ -105,7 +110,7 @@ void Timer_Silence_Reset(
     uint8_t sreg;
 
     sreg = SREG;
-    cli();
+    __disable_interrupt();
     SilenceTime = 0;
     SREG = sreg;
 }