remove interrupt vectors

- wrong register used (MCUCR instead of GICR)
- interrupts are not enabled (reset/cli)
- discard section "vectors" when linking
- based on binutils 2.16.1 ldscripts
This commit is contained in:
Olaf Rempel 2006-05-19 23:58:50 +02:00
parent c897637dc2
commit 570d07d3a0
6 changed files with 845 additions and 12 deletions

169
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12
main.c
View File

@ -75,7 +75,6 @@
#include <inttypes.h> #include <inttypes.h>
#include <avr/io.h> #include <avr/io.h>
#include <avr/interrupt.h>
#include <avr/wdt.h> #include <avr/wdt.h>
#include <avr/boot.h> #include <avr/boot.h>
#include <avr/pgmspace.h> #include <avr/pgmspace.h>
@ -258,11 +257,6 @@ int main(void)
char OK = 1; char OK = 1;
#endif #endif
cli();
MCUCR = (1<<IVCE); // move interruptvectors to the Boot sector
MCUCR = (1<<IVSEL); // device specific !
BLDDR &= ~(1<<BLPNUM); // set as Input BLDDR &= ~(1<<BLPNUM); // set as Input
BLPORT |= (1<<BLPNUM); // Enable pullup BLPORT |= (1<<BLPNUM); // Enable pullup
@ -288,8 +282,6 @@ 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
MCUCR = (1<<IVCE); // move interruptvectors to the Application sector
MCUCR = (0<<IVSEL); // device specific !
jump_to_app(); // Jump to application sector jump_to_app(); // Jump to application sector
} else { } else {
@ -316,8 +308,6 @@ 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
MCUCR = (1<<IVCE);
MCUCR = (0<<IVSEL); //move interruptvectors to the Application sector
jump_to_app(); // Jump to application sector jump_to_app(); // Jump to application sector
} }
@ -355,8 +345,6 @@ int main(void)
} }
if (TCNT1 >= WAIT_VALUE){ if (TCNT1 >= WAIT_VALUE){
BLPORT &= ~(1<<BLPNUM); // set to default BLPORT &= ~(1<<BLPNUM); // set to default
MCUCR = (1<<IVCE);
MCUCR = (0<<IVSEL); // move interruptvectors to the Application sector
TCCR1B = 0; // timer off TCCR1B = 0; // timer off
jump_to_app(); // Jump to application sector jump_to_app(); // Jump to application sector
} }