Created Rowley Crossworks AVR project for BDK port to ATmega644p.

bacnet-stack/demo/object/ai.h

@@ -43,7 +43,7 @@ extern "C" {
 #endif /* __cplusplus */
 
     typedef struct analog_input_descr {
-        uint8_t Event_State:3;
+        unsigned Event_State:3;
         float Present_Value;
         BACNET_RELIABILITY Reliability;
         bool Out_Of_Service;
@@ -54,9 +54,9 @@ extern "C" {
         float High_Limit;
         float Low_Limit;
         float Deadband;
-        uint8_t Limit_Enable:2;
+        unsigned Limit_Enable:2;
-        uint8_t Event_Enable:3;
+        unsigned Event_Enable:3;
-        uint8_t Notify_Type:1;
+        unsigned Notify_Type:1;
         ACKED_INFO Acked_Transitions[MAX_BACNET_EVENT_TRANSITION];
         BACNET_DATE_TIME Event_Time_Stamps[MAX_BACNET_EVENT_TRANSITION];
         /* time to generate event notification */

bacnet-stack/demo/object/av.h

@@ -44,7 +44,7 @@ extern "C" {
 #endif /* __cplusplus */
 
     typedef struct analog_value_descr {
-        uint8_t Event_State:3;
+        unsigned Event_State:3;
         bool Out_Of_Service;
         uint8_t Units;
         /* Here is our Priority Array.  They are supposed to be Real, but */
@@ -58,9 +58,9 @@ extern "C" {
         float High_Limit;
         float Low_Limit;
         float Deadband;
-        uint8_t Limit_Enable:2;
+        unsigned Limit_Enable:2;
-        uint8_t Event_Enable:3;
+        unsigned Event_Enable:3;
-        uint8_t Notify_Type:1;
+        unsigned Notify_Type:1;
         ACKED_INFO Acked_Transitions[MAX_BACNET_EVENT_TRANSITION];
         BACNET_DATE_TIME Event_Time_Stamps[MAX_BACNET_EVENT_TRANSITION];
         /* time to generate event notification */

bacnet-stack/include/bacenum.h

@@ -1243,10 +1243,10 @@ typedef enum {
     /* Enumerated values 0-63 are reserved for definition by ASHRAE. */
     /* Enumerated values 64-65535 may be used by others subject to */
     /* the procedures and constraints described in Clause 23. */
-    MAX_BACNET_ABORT_REASON = 5,
+    MAX_BACNET_ABORT_REASON = 5
-    FIRST_PROPRIETARY_ABORT_REASON = 64,
-    LAST_PROPRIETARY_ABORT_REASON = 65535
 } BACNET_ABORT_REASON;
+#define FIRST_PROPRIETARY_ABORT_REASON 64
+#define LAST_PROPRIETARY_ABORT_REASON 65535
 
 typedef enum {
     REJECT_REASON_OTHER = 0,
@@ -1262,10 +1262,10 @@ typedef enum {
     /* Enumerated values 0-63 are reserved for definition by ASHRAE. */
     /* Enumerated values 64-65535 may be used by others subject to */
     /* the procedures and constraints described in Clause 23. */
-    MAX_BACNET_REJECT_REASON = 10,
+    MAX_BACNET_REJECT_REASON = 10
-    FIRST_PROPRIETARY_REJECT_REASON = 64,
-    LAST_PROPRIETARY_REJECT_REASON = 65535
 } BACNET_REJECT_REASON;
+#define FIRST_PROPRIETARY_REJECT_REASON 64
+#define LAST_PROPRIETARY_REJECT_REASON 65535
 
 typedef enum {
     ERROR_CLASS_DEVICE = 0,
@@ -1279,10 +1279,10 @@ typedef enum {
     /* Enumerated values 0-63 are reserved for definition by ASHRAE. */
     /* Enumerated values 64-65535 may be used by others subject to */
     /* the procedures and constraints described in Clause 23. */
-    MAX_BACNET_ERROR_CLASS = 8,
+    MAX_BACNET_ERROR_CLASS = 8
-    FIRST_PROPRIETARY_ERROR_CLASS = 64,
-    LAST_PROPRIETARY_ERROR_CLASS = 65535
 } BACNET_ERROR_CLASS;
+#define FIRST_PROPRIETARY_ERROR_CLASS 64
+#define LAST_PROPRIETARY_ERROR_CLASS 65535
 
 /* These are sorted in the order given in
    Clause 18. ERROR, REJECT AND ABORT CODES
@@ -1395,14 +1395,14 @@ typedef enum {
     ERROR_CODE_UNKNOWN_FILE_SIZE = 81,
     ERROR_CODE_BUSY = 82,
     ERROR_CODE_COMMUNICATION_DISABLED = 83,
-    MAX_BACNET_ERROR_CODE = 84,
+    MAX_BACNET_ERROR_CODE = 84
     /* Enumerated values 0-255 are reserved for definition by ASHRAE. */
     /* Enumerated values 256-65535 may be used by others subject to */
     /* the procedures and constraints described in Clause 23. */
     /* The last enumeration used in this version is 50. */
-    FIRST_PROPRIETARY_ERROR_CODE = 256,
-    LAST_PROPRIETARY_ERROR_CODE = 65535
 } BACNET_ERROR_CODE;
+#define FIRST_PROPRIETARY_ERROR_CODE 256
+#define LAST_PROPRIETARY_ERROR_CODE 65535
 
 typedef enum {
     BACNET_REINIT_COLDSTART = 0,

bacnet-stack/ports/bdk-atxx4-mstp/adc.c

@@ -52,12 +52,11 @@
 static volatile uint16_t Sample_Result[ADC_CHANNELS_MAX];
 static volatile uint8_t Enabled_Channels;
 
-/* forward prototype */
-ISR(ADC_vect);
-
 ISR(ADC_vect)
 {
     uint8_t index;
+    uint8_t mask;
+    uint8_t channels;
     uint16_t value = 0;
 
     /* determine which conversion finished */
@@ -66,13 +65,18 @@ ISR(ADC_vect)
     value = ADCL;
     value |= (ADCH << 8);
     Sample_Result[index] = value;
+    channels = Enabled_Channels;
     __enable_interrupt();
     /* clear the mux */
     BITMASK_CLEAR(ADMUX, ((1 << MUX2) | (1 << MUX1) | (1 << MUX0)));
-    /* find the next channel */
+    /* find the next enabled channel */
-    while (Enabled_Channels) {
+    while (channels) {
-        index = (index + 1) % ADC_CHANNELS_MAX;
+        index++;
-        if (BIT_CHECK(Enabled_Channels, index)) {
+        if (index >= ADC_CHANNELS_MAX) {
+            index = 0;
+        }
+        mask = 1 << index;
+        if (channels & mask) {
             break;
         }
     }

bacnet-stack/ports/bdk-atxx4-mstp/bacnet.hzp

@@ -0,0 +1,82 @@
+<!DOCTYPE CrossStudio_Project_File>
+<solution Name="bacnet" version="2">
+  <project Name="bacnet">
+    <configuration Name="Common" Platform="AVR" Target="ATmega644P" avr_architecture="V2E" avr_debug_interface="JTAG" avr_flash_size="128K" build_use_hardware_multiplier="Yes" c_preprocessor_definitions="BACDL_MSTP;MAX_APDU=128;BIG_ENDIAN=0;MAX_TSM_TRANSACTIONS=0;BACAPP_BOOLEAN;BACAPP_REAL;BACAPP_OBJECT_ID;BACAPP_UNSIGNED;BACAPP_ENUMERATED;BACAPP_CHARACTER_STRING;WRITE_PROPERTY" c_user_include_directories="$(ProjectDir);$(ProjectDir)/crossworks;$(ProjectDir)/../../include;$(ProjectDir)/../../demo/handler;$(ProjectDir)/../../demo/object" linker_call_stack_size="1024" linker_memory_map_file="$(PackagesDir)/targets/avr/ATmega644P.xml" project_directory="" project_type="Executable"/>
+    <folder Name="Source Files">
+      <configuration Name="Common" filter="c;h;s;asm;inc;s90"/>
+      <file file_name="adc.c">
+        <configuration Name="Common" c_user_include_directories="."/>
+      </file>
+      <file file_name="ai.c"/>
+      <file file_name="av.c"/>
+      <file file_name="bacnet.c"/>
+      <file file_name="bi.c"/>
+      <file file_name="bname.c"/>
+      <file file_name="bo.c"/>
+      <file file_name="device.c"/>
+      <file file_name="dlmstp.c"/>
+      <file file_name="eeprom.c"/>
+      <file file_name="init.c"/>
+      <file file_name="input.c"/>
+      <file file_name="led.c"/>
+      <file file_name="main.c"/>
+      <file file_name="rs485.c"/>
+      <file file_name="seeprom.c"/>
+      <file file_name="serial.c"/>
+      <file file_name="stack.c"/>
+      <file file_name="test.c"/>
+      <file file_name="timer2.c"/>
+      <file file_name="timer.c"/>
+      <file file_name="watchdog.c"/>
+    </folder>
+    <folder Name="System Files" file_name="">
+      <configuration Name="Common" filter="xml"/>
+      <file file_name="$(StudioDir)/src/crt0.asm"/>
+    </folder>
+    <folder Name="BACnet - default handlers">
+      <file file_name="../../demo/handler/h_dcc.c"/>
+      <file file_name="../../demo/handler/h_npdu.c"/>
+      <file file_name="../../demo/handler/h_rd.c"/>
+      <file file_name="../../demo/handler/h_rp.c"/>
+      <file file_name="../../demo/handler/h_rpm.c"/>
+      <file file_name="../../demo/handler/h_whohas.c"/>
+      <file file_name="../../demo/handler/h_whois.c"/>
+      <file file_name="../../demo/handler/h_wp.c"/>
+      <file file_name="../../demo/handler/noserv.c"/>
+      <file file_name="../../demo/handler/s_iam.c"/>
+      <file file_name="../../demo/handler/s_ihave.c"/>
+      <file file_name="../../demo/handler/txbuf.c"/>
+    </folder>
+    <folder Name="BACnet - core">
+      <file file_name="../../src/abort.c"/>
+      <file file_name="../../src/apdu.c"/>
+      <file file_name="../../src/bacaddr.c"/>
+      <file file_name="../../src/bacapp.c"/>
+      <file file_name="../../src/bacdcode.c"/>
+      <file file_name="../../src/bacerror.c"/>
+      <file file_name="../../src/bacint.c"/>
+      <file file_name="../../src/bacreal.c"/>
+      <file file_name="../../src/bacstr.c"/>
+      <file file_name="../../src/crc.c"/>
+      <file file_name="../../src/dcc.c"/>
+      <file file_name="../../src/fifo.c"/>
+      <file file_name="../../src/iam.c"/>
+      <file file_name="../../src/ihave.c"/>
+      <file file_name="../../src/memcopy.c"/>
+      <file file_name="../../src/npdu.c"/>
+      <file file_name="../../src/rd.c"/>
+      <file file_name="../../src/reject.c"/>
+      <file file_name="../../src/ringbuf.c"/>
+      <file file_name="../../src/rp.c"/>
+      <file file_name="../../src/rpm.c"/>
+      <file file_name="../../src/whohas.c"/>
+      <file file_name="../../src/whois.c"/>
+      <file file_name="../../src/wp.c"/>
+    </folder>
+  </project>
+  <configuration Name="AVR Debug" inherited_configurations="AVR;Debug"/>
+  <configuration Name="AVR" Platform="AVR" hidden="Yes"/>
+  <configuration Name="Debug" build_debug_information="Yes" hidden="Yes"/>
+  <configuration Name="AVR Release" inherited_configurations="AVR;Release"/>
+  <configuration Name="Release" build_debug_information="No" c_preprocessor_definitions="NDEBUG" hidden="Yes" optimize_block_locality="Yes" optimize_copy_propagation="Yes" optimize_cross_calling="Standard" optimize_cross_jumping="Yes" optimize_dead_code="Yes" optimize_jump_chaining="Yes" optimize_jump_threading="Yes" optimize_tail_merging="Yes"/>
+</solution>

bacnet-stack/ports/bdk-atxx4-mstp/crossworks/stdbool.h

@@ -0,0 +1,20 @@
+#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
+
+#endif

bacnet-stack/ports/bdk-atxx4-mstp/hardware.h

@@ -30,16 +30,25 @@
 #define F_CPU 18432000UL
 #endif
 
+/* IAR compiler specific configuration */
 #if defined(__ICCAVR__)
 #include <iom644p.h>
 #endif
 
+/* AVR-GCC compiler specific configuration */
 #if defined(__GNUC__)
+#include <avr/io.h>
+#include <avr/wdt.h>
 #if !defined(__AVR_ATmega644P__)
 #error Firmware is configured for ATmega644P only (-mmcu=atmega644p)
 #endif
-    /* GCC specific configuration */
+#endif
-#include <avr/wdt.h>
+
+#if defined (__CROSSWORKS_AVR)
+#include <avr.h>
+#if (__TARGET_PROCESSOR != ATmega644P)
+#error Firmware is configured for ATmega644P only
+#endif
 #endif
 
 #include "iar2gcc.h"

bacnet-stack/ports/bdk-atxx4-mstp/iar2gcc.h

@@ -34,13 +34,21 @@
 #ifndef IAR2GCC_H
 #define IAR2GCC_H
 
+/* common embedded extensions for different compilers */
+
 #if !defined(F_CPU)
 #error You must define F_CPU - clock frequency!
 #endif
 
+#if defined (__CROSSWORKS_AVR)
+#include <inavr.h>
+#include <stdint.h>
+#endif
+
 /* IAR */
 #if defined(__ICCAVR__)
 #include <inavr.h>
+#include <intrinsics.h>
 #include <stdint.h>
 
 /* inline function */
@@ -57,6 +65,52 @@ static inline void _delay_us(
 #include <util/delay.h>
 #endif
 
+/* adjust some definitions to common versions */
+#if defined (__CROSSWORKS_AVR)
+#if (__TARGET_PROCESSOR == ATmega644P)
+#define PRR PRR0
+#define UBRR0 UBRR0W
+#define UBRR1 UBRR1W
+
+#define PA0 PORTA0
+#define PA1 PORTA1
+#define PA2 PORTA2
+#define PA3 PORTA3
+#define PA4 PORTA4
+#define PA5 PORTA5
+#define PA6 PORTA6
+#define PA7 PORTA7
+
+#define PB0 PORTB0
+#define PB1 PORTB1
+#define PB2 PORTB2
+#define PB3 PORTB3
+#define PB4 PORTB4
+#define PB5 PORTB5
+#define PB6 PORTB6
+#define PB7 PORTB7
+
+#define PC0 PORTC0
+#define PC1 PORTC1
+#define PC2 PORTC2
+#define PC3 PORTC3
+#define PC4 PORTC4
+#define PC5 PORTC5
+#define PC6 PORTC6
+#define PC7 PORTC7
+
+#define PD0 PORTD0
+#define PD1 PORTD1
+#define PD2 PORTD2
+#define PD3 PORTD3
+#define PD4 PORTD4
+#define PD5 PORTD5
+#define PD6 PORTD6
+#define PD7 PORTD7
+
+#endif
+#endif
+
 /* Input/Output Registers */
 #if defined(__GNUC__)
 #include <avr/io.h>
@@ -195,24 +249,27 @@ typedef struct {
 #if defined(__ICCAVR__)
 #define PRAGMA(x) _Pragma( #x )
 #define ISR(vec) PRAGMA( vector=vec ) __interrupt void handler_##vec(void)
-#endif
+#elif defined(__GNUC__)
-#if defined(__GNUC__)
 #include <avr/interrupt.h>
+#elif defined (__CROSSWORKS_AVR)
+#define ISR(vec) void handler_##vec(void) __interrupt[vec]
+#else
+#error ISR() not defined!
 #endif
 
 /* Flash */
 #if defined(__ICCAVR__)
 #define FLASH_DECLARE(x) __flash x
-#endif
+#elif defined(__GNUC__)
-#if defined(__GNUC__)
 #define FLASH_DECLARE(x) x __attribute__((__progmem__))
+#elif defined (__CROSSWORKS_AVR)
+#define FLASH_DECLARE (x) const __code x
 #endif
 
 /* EEPROM */
 #if defined(__ICCAVR__)
 #define EEPROM_DECLARE(x) __eeprom x
-#endif
+#elif defined(__GNUC__)
-#if defined(__GNUC__)
 #include <avr/eeprom.h>
 #define EEPROM_DECLARE(x) x __attribute__((section (".eeprom")))
 #if ((__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 3)) || \
@@ -221,6 +278,14 @@ typedef struct {
 #define __EEPUT _EEPUT
 #define __EEGET _EEGET
 #endif
+#elif defined (__CROSSWORKS_AVR)
+/* use functions defined in crt0.s to mimic IAR macros */
+void __uint8_eeprom_store(unsigned char byte, unsigned addr); 
+unsigned char __uint8_eeprom_load(unsigned addr); 
+#define __EEPUT(addr, var) \
+    __uint8_eeprom_store((unsigned char)(var), (unsigned)(addr))
+#define __EEGET(var, addr) \
+   (var) = __uint8_eeprom_load((unsigned)(addr))
 #endif
 
 /* IAR intrinsic routines */
@@ -231,9 +296,8 @@ typedef struct {
 #define __root
 #endif
 
-
+/* watchdog defines in GCC */
-/* watchdog */
+#if defined(__ICCAVR__) || defined(__CROSSWORKS_AVR)
-#if defined(__ICCAVR__)
 #define WDTO_15MS   0
 #define WDTO_30MS   1
 #define WDTO_60MS   2
@@ -244,4 +308,8 @@ typedef struct {
 #define WDTO_2S     7
 #endif
 
+#if defined(__CROSSWORKS_AVR)
+#define inline
+#endif
+
 #endif

bacnet-stack/ports/bdk-atxx4-mstp/led.c

@@ -96,13 +96,13 @@ bool led_state(
 {
     switch (index) {
         case 0:
-            return (BIT_CHECK(PIND, PD7));
+            return (BIT_CHECK(PIND, PIND7));
         case 1:
-            return (BIT_CHECK(PIND, PD6));
+            return (BIT_CHECK(PIND, PIND6));
         case 2:
-            return (BIT_CHECK(PINC, PC7));
+            return (BIT_CHECK(PINC, PINC7));
         case 3:
-            return (BIT_CHECK(PINC, PC6));
+            return (BIT_CHECK(PINC, PINC6));
         default:
             break;
     }

bacnet-stack/ports/bdk-atxx4-mstp/main.c

@@ -39,9 +39,10 @@
 #include "bacnet.h"
 #include "test.h"
 #include "watchdog.h"
+#include "version.h"
 
-/* local version override */
+/* global - currently the version of the stack */
-char *BACnet_Version = "1.0";
+char *BACnet_Version = BACNET_VERSION_TEXT;
 
 /* For porting to IAR, see:
    http://www.avrfreaks.net/wiki/index.php/Documentation:AVR_GCC/IarToAvrgcc*/

bacnet-stack/ports/bdk-atxx4-mstp/rs485.c

@@ -32,8 +32,6 @@
 /* me */
 #include "rs485.h"
 
-/* forward prototype */
-ISR(USART0_RX_vect);
 /* baud rate */
 static uint32_t Baud_Rate = 9600;
 

bacnet-stack/ports/bdk-atxx4-mstp/serial.c

@@ -30,8 +30,6 @@
 
 /* baud rate */
 static uint32_t Baud_Rate = 9600;
-/* forward prototype */
-ISR(USART1_RX_vect);
 
 /* buffer for storing received bytes - size must be power of two */
 static uint8_t Receive_Buffer_Data[128];

bacnet-stack/ports/bdk-atxx4-mstp/stack.c

@@ -26,31 +26,7 @@
 /* me */
 #include "stack.h"
 
-#if defined(__ICCAVR__)
+#if defined(__GNUC__)
-void stack_init(
-    void)
-{
-
-}
-
-unsigned stack_size(
-    void)
-{
-    return 0;
-}
-
-uint8_t stack_byte(
-    unsigned offset)
-{
-    return 0;
-}
-
-unsigned stack_unused(
-    void)
-{
-    return 0;
-}
-#else
 /* stack checking */
 extern uint8_t _end;
 extern uint8_t __stack;
@@ -105,4 +81,28 @@ unsigned stack_unused(
     }
     return count;
 }
+#else
+void stack_init(
+    void)
+{
+
+}
+
+unsigned stack_size(
+    void)
+{
+    return 0;
+}
+
+uint8_t stack_byte(
+    unsigned offset)
+{
+    return 0;
+}
+
+unsigned stack_unused(
+    void)
+{
+    return 0;
+}
 #endif

bacnet-stack/ports/bdk-atxx4-mstp/timer2.c

@@ -30,9 +30,11 @@
 #error "F_CPU must be defined for Timer configuration."
 #endif
 /* Timer2 Prescaling: 1, 8, 32, 64, 128, 256, or 1024 */
-#define TIMER_MICROSECONDS 1000
+#define TIMER_MICROSECONDS 1000UL
-#define TIMER_TICKS(p) ((((F_CPU)/(p)/1000)*(TIMER_MICROSECONDS))/1000)
+#define TIMER_TICKS(p) \
-#define TIMER_TICKS_MAX 0xff
+  (((((F_CPU)/(p))/1000UL) \
+  *(TIMER_MICROSECONDS))/1000UL)
+#define TIMER_TICKS_MAX 255UL
 /* adjust the prescaler for the processor clock */
 #if (TIMER_TICKS(1) <= TIMER_TICKS_MAX)
 #define TIMER2_PRESCALER 1
@@ -58,8 +60,6 @@
 /* counter for the the timer which wraps every 49.7 days */
 static volatile uint32_t Millisecond_Counter;
 static volatile uint8_t Millisecond_Counter_Byte;
-/* forward prototype */
-ISR(TIMER2_OVF_vect);
 
 /*************************************************************************
 * Description: Timer Interrupt Handler

bacnet-stack/ports/bdk-atxx4-mstp/watchdog.c

@@ -24,8 +24,7 @@
 #include "hardware.h"
 #include "watchdog.h"
 
-#if defined(__ICCAVR__)
+#if !defined(__GNUC__)
-#include <intrinsics.h>
 static inline void wdt_enable(
     int value)
 {