Adding ATmega328 support.

2 files changed, 21 insertions, 9 deletions

diff --git a/bootloaders/atmega168/ATmegaBOOT_168.c b/bootloaders/atmega168/ATmegaBOOT_168.c
index 6a3c634..90bef67 100755
--- a/bootloaders/atmega168/ATmegaBOOT_168.c
+++ b/bootloaders/atmega168/ATmegaBOOT_168.c
@@ -69,7 +69,7 @@
 

 /* the current avr-libc eeprom functions do not support the ATmega168 */

 /* own eeprom write/read functions are used instead */

-#ifndef __AVR_ATmega168__

+#if !defined(__AVR_ATmega168__) || !defined(__AVR_ATmega328P__)

 #include <avr/eeprom.h>

 #endif

 

@@ -179,6 +179,11 @@
 #define SIG3	0x06

 #define PAGE_SIZE	0x40U	//64 words

 

+#elif defined __AVR_ATmega328P__

+#define SIG2	0x95

+#define SIG3	0x0F

+#define PAGE_SIZE	0x40U	//64 words

+

 #elif defined __AVR_ATmega162__

 #define SIG2	0x94

 #define SIG3	0x04

@@ -337,7 +342,7 @@ int main(void)
 	UBRRHI = (F_CPU/(BAUD_RATE*16L)-1) >> 8;

 	UCSRA = 0x00;

 	UCSRB = _BV(TXEN)|_BV(RXEN);	

-#elif defined __AVR_ATmega168__

+#elif defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__)

 	UBRR0L = (uint8_t)(F_CPU/(BAUD_RATE*16L)-1);

 	UBRR0H = (F_CPU/(BAUD_RATE*16L)-1) >> 8;

 	UCSR0B = (1<<RXEN0) | (1<<TXEN0);

@@ -509,7 +514,7 @@ int main(void)
 			if (flags.eeprom) {		                //Write to EEPROM one byte at a time

 				address.word <<= 1;

 				for(w=0;w<length.word;w++) {

-#ifdef __AVR_ATmega168__

+#if defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 					while(EECR & (1<<EEPE));

 					EEAR = (uint16_t)(void *)address.word;

 					EEDR = buff[w];

@@ -627,7 +632,7 @@ int main(void)
 					 "rjmp	write_page	\n\t"

 					 "block_done:		\n\t"

 					 "clr	__zero_reg__	\n\t"	//restore zero register

-#if defined __AVR_ATmega168__

+#if defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 					 : "=m" (SPMCSR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"

 #else

 					 : "=m" (SPMCR) : "M" (PAGE_SIZE) : "r0","r16","r17","r24","r25","r28","r29","r30","r31"

@@ -660,7 +665,7 @@ int main(void)
 			putch(0x14);

 			for (w=0;w < length.word;w++) {		        // Can handle odd and even lengths okay

 				if (flags.eeprom) {	                        // Byte access EEPROM read

-#ifdef __AVR_ATmega168__

+#if defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 					while(EECR & (1<<EEPE));

 					EEAR = (uint16_t)(void *)address.word;

 					EECR |= (1<<EERE);

@@ -874,7 +879,7 @@ void putch(char ch)
 		while (!(UCSR1A & _BV(UDRE1)));

 		UDR1 = ch;

 	}

-#elif defined __AVR_ATmega168__

+#elif defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 	while (!(UCSR0A & _BV(UDRE0)));

 	UDR0 = ch;

 #else

@@ -897,7 +902,7 @@ char getch(void)
 		return UDR1;

 	}

 	return 0;

-#elif defined __AVR_ATmega168__

+#elif defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 	uint32_t count = 0;

 	while(!(UCSR0A & _BV(RXC0))){

 		/* 20060803 DojoCorp:: Addon coming from the previous Bootloader*/               

@@ -934,7 +939,7 @@ void getNch(uint8_t count)
 			while(!(UCSR1A & _BV(RXC1)));

 			UDR1;

 		}

-#elif defined __AVR_ATmega168__

+#elif defined(__AVR_ATmega168__)  || defined(__AVR_ATmega328P__)

 		getch();

 #else

 		/* m8,16,32,169,8515,8535,163 */

@@ -973,7 +978,7 @@ void nothing_response(void)
 

 void flash_led(uint8_t count)

 {

-	for (i = 0; i < count; ++i) {

+	while (count--) {

 		LED_PORT |= _BV(LED);

 		_delay_ms(100);

 		LED_PORT &= ~_BV(LED);

diff --git a/bootloaders/atmega168/Makefile b/bootloaders/atmega168/Makefile
index 182ccae..884a70c 100755
--- a/bootloaders/atmega168/Makefile
+++ b/bootloaders/atmega168/Makefile
@@ -115,6 +115,13 @@ ng: AVR_FREQ = 16000000L
 ng: HFUSE = DD
 ng: LFUSE = FF
 
+atmega328: TARGET = atmega328
+atmega328: CFLAGS += '-DMAX_TIME_COUNT=F_CPU>>4' '-DNUM_LED_FLASHES=1'
+atmega328: $(PROGRAM)_atmega328.hex
+atmega328: AVR_FREQ = 16000000L 
+atmega328: MCU_TARGET = atmega328p
+atmega328: LDSECTION  = --section-start=.text=0x7800
+
 isp: $(PROGRAM)_$(TARGET).hex
 	$(ISPFUSES)
 	$(ISPFLASH)