razzor/avrboot
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Version 0.85 (20081203)

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This commit is contained in:
Olaf Rempel 2009-02-05 15:34:57 +01:00
parent 751dfff780
commit 1509afc016
12 changed files with 23 additions and 70 deletions
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17
main.c
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@ -1,7 +1,7 @@
/***************************************************************************** /*****************************************************************************
* *
* AVRPROG compatible boot-loader * AVRPROG compatible boot-loader
* Version : 0.83 (Apr. 2008) * Version : 0.85 (Dec. 2008)
* Compiler : avr-gcc 4.1.2 / avr-libc 1.4.6 * Compiler : avr-gcc 4.1.2 / avr-libc 1.4.6
* size : depends on features and startup ( minmal features < 512 words) * size : depends on features and startup ( minmal features < 512 words)
* by : Martin Thomas, Kaiserslautern, Germany * by : Martin Thomas, Kaiserslautern, Germany
@ -149,6 +149,15 @@
#define GET_EXTENDED_FUSE_BITS 0x0002 #define GET_EXTENDED_FUSE_BITS 0x0002
#ifdef UART_DOUBLESPEED
// #define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate) *8UL) +5)/10 -1)
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)((F_CPU) + ((uint32_t)baudRate * 4UL)) / ((uint32_t)(baudRate) * 8UL) - 1)
#else
// #define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate)*16UL) +5)/10 -1)
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)((F_CPU) + ((uint32_t)baudRate * 8UL)) / ((uint32_t)(baudRate) * 16UL) - 1)
#endif
#include <stdint.h> #include <stdint.h>
#include <avr/io.h> #include <avr/io.h>
#include <avr/wdt.h> #include <avr/wdt.h>
@ -367,6 +376,9 @@ int main(void)
if ((BLPIN & (1<<BLPNUM))) { if ((BLPIN & (1<<BLPNUM))) {
// jump to main app if pin is not grounded // jump to main app if pin is not grounded
BLPORT &= ~(1<<BLPNUM); // set to default BLPORT &= ~(1<<BLPNUM); // set to default
#ifdef UART_DOUBLESPEED
UART_STATUS &= ~( 1<<UART_DOUBLE );
#endif
jump_to_app(); // Jump to application sector jump_to_app(); // Jump to application sector
} else { } else {
@ -393,6 +405,9 @@ int main(void)
if ((BLPIN & (1<<BLPNUM))) { if ((BLPIN & (1<<BLPNUM))) {
// jump to main app if pin is not grounded // jump to main app if pin is not grounded
BLPORT &= ~(1<<BLPNUM); // set to default BLPORT &= ~(1<<BLPNUM); // set to default
#ifdef UART_DOUBLESPEED
UART_STATUS &= ~( 1<<UART_DOUBLE );
#endif
jump_to_app(); // Jump to application sector jump_to_app(); // Jump to application sector
} }

7
mega128.h
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@ -10,13 +10,6 @@
#define SIG_BYTE2 0x97 #define SIG_BYTE2 0x97
#define SIG_BYTE3 0x02 #define SIG_BYTE3 0x02
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#ifndef UART_USE_SECOND #ifndef UART_USE_SECOND
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L #define UART_BAUD_LOW UBRR0L

6
mega128can.h
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@ -13,12 +13,6 @@
#define SIG_BYTE3 0x81 #define SIG_BYTE3 0x81
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#ifndef UART_USE_SECOND #ifndef UART_USE_SECOND
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L #define UART_BAUD_LOW UBRR0L

7
mega16.h
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@ -10,13 +10,6 @@
#define SIG_BYTE2 0x94 #define SIG_BYTE2 0x94
#define SIG_BYTE3 0x03 #define SIG_BYTE3 0x03
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#define UART_BAUD_HIGH UBRRH #define UART_BAUD_HIGH UBRRH
#define UART_BAUD_LOW UBRRL #define UART_BAUD_LOW UBRRL
#define UART_STATUS UCSRA #define UART_STATUS UCSRA

7
mega162.h
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@ -16,13 +16,6 @@
#define SIG_BYTE2 0x94 #define SIG_BYTE2 0x94
#define SIG_BYTE3 0x04 #define SIG_BYTE3 0x04
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#ifndef UART_USE_SECOND #ifndef UART_USE_SECOND
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L #define UART_BAUD_LOW UBRR0L

7
mega169.h
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@ -8,13 +8,6 @@
#define SIG_BYTE2 0x94 #define SIG_BYTE2 0x94
#define SIG_BYTE1 0x05 #define SIG_BYTE1 0x05
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#define UART_BAUD_HIGH UBRRH #define UART_BAUD_HIGH UBRRH
#define UART_BAUD_LOW UBRRL #define UART_BAUD_LOW UBRRL
#define UART_STATUS UCSRA #define UART_STATUS UCSRA

7
mega32.h
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@ -10,13 +10,6 @@
#define SIG_BYTE2 0x95 #define SIG_BYTE2 0x95
#define SIG_BYTE3 0x02 #define SIG_BYTE3 0x02
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#define UART_BAUD_HIGH UBRRH #define UART_BAUD_HIGH UBRRH
#define UART_BAUD_LOW UBRRL #define UART_BAUD_LOW UBRRL
#define UART_STATUS UCSRA #define UART_STATUS UCSRA

7
mega64.h
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@ -10,13 +10,6 @@
#define SIG_BYTE2 0x96 #define SIG_BYTE2 0x96
#define SIG_BYTE3 0x02 #define SIG_BYTE3 0x02
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate) *8UL) +5)/10 -1)
#else
#define UART_CALC_BAUDRATE(baudRate) (((F_CPU*10UL) / ((baudRate)*16UL) +5)/10 -1)
#endif
#ifndef UART_USE_SECOND #ifndef UART_USE_SECOND
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L #define UART_BAUD_LOW UBRR0L

7
mega644.h
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@ -12,13 +12,6 @@
#define SIG_BYTE2 0x96 #define SIG_BYTE2 0x96
#define SIG_BYTE3 0x09 #define SIG_BYTE3 0x09
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H
#define UART_BAUD_LOW UBRR0L #define UART_BAUD_LOW UBRR0L
#define UART_STATUS UCSR0A #define UART_STATUS UCSR0A

7
mega8.h
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@ -10,13 +10,6 @@
#define SIG_BYTE2 0x93 #define SIG_BYTE2 0x93
#define SIG_BYTE3 0x07 #define SIG_BYTE3 0x07
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#define UART_BAUD_HIGH UBRRH #define UART_BAUD_HIGH UBRRH
#define UART_BAUD_LOW UBRRL #define UART_BAUD_LOW UBRRL
#define UART_STATUS UCSRA #define UART_STATUS UCSRA

6
megaxx4p.h
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@ -1,12 +1,6 @@
#ifndef _MEGAxx4_H_ #ifndef _MEGAxx4_H_
#define _MEGAxx4_H_ #define _MEGAxx4_H_
#ifdef UART_DOUBLESPEED
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate) *8) -1)
#else
#define UART_CALC_BAUDRATE(baudRate) ((uint32_t)(F_CPU) / ((uint32_t)(baudRate)*16) -1)
#endif
#ifndef UART_USE_SECOND #ifndef UART_USE_SECOND
/* UART 0 */ /* UART 0 */
#define UART_BAUD_HIGH UBRR0H #define UART_BAUD_HIGH UBRR0H

6
readme.txt
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@ -30,6 +30,12 @@ Programming-Software (on the "PC-Side"):
* Installation instructions at the end of this file. * Installation instructions at the end of this file.
3. Dec. 2008 - Version 0.85
* disable U2X before jump to app as suggested be Alexander Döller
* moved UBRR-macros to main.c and changed them. Inspired by code from avr-libc setbaud.
(macros which are commented out (//) are from Pavel Fertser)
6. Nov. 2008 - Version 0.84 6. Nov. 2008 - Version 0.84
* Added definitions for ATmega64 provided by Pavel Fertser - Thanks. * Added definitions for ATmega64 provided by Pavel Fertser - Thanks.