Hallo,
meine Interrupts im Bootloader funktionieren nicht! Kann mir da jemand
weiterhelfen? Danke!
ich verbiege mit folgendem Code die Interrupt Tabelle:
1 | CCP = CCP_IOREG_gc; // Enable high, medium and low level interrupts,Interruptsprungtabelle verbiegens
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2 | PMIC.CTRL = PMIC_IVSEL_bm | PMIC_HILVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_LOLVLEN_bm;
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3 | sei();
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Der Linker hat die Option "-Wl,--section-start=.text=0x10000". Im .lss
File sehe ich auch, dass der Code in der Bootloadersection geschrieben
wird:
00010000 <__vectors>:
10000: 0c 94 01 81 jmp 0x10202 ; 0x10202 <__ctors_end>
10004: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10008: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
1000c: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10010: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10014: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10018: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
1001c: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10020: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10024: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10028: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
1002c: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10030: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10034: 0c 94 29 81 jmp 0x10252 ; 0x10252 <__bad_interrupt>
10038: 0c 94 bb 85 jmp 0x10b76 ; 0x10b76 <__vector_14>
Die main.cpp
1 | #include <avr/io.h>
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2 | #include <avr/interrupt.h>
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3 | #include "c_avr_iopin.h"
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4 | #include "c_avr_uart.h"
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5 | #include "c_dispatcher.h"
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6 | #include "c_avr_timer.h"
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7 |
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8 | c_avr_uart g_uart_SoM(c_avr_uart::E0, 115200);
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9 | c_dispatcher g_dispatcher(&g_uart_SoM);
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10 |
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11 | ISR(TCC0_OVF_vect) { //Timerclock; Bei jedem Überlauf des Hardwaretimers wird in der c_timer Klasse die statische Timerclock um 1 erhöht
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12 | /*
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13 | Bei 2MHZ und einem Teiler von 1 entspräche "1" in der Timerclock
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14 | 1000*2^16/(2000000) = 32.7675 mS
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15 | */
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16 | c_avr_timer::ulClock++; //Timerclock + 1
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17 | }
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18 |
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19 | int main(void)
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20 | {
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21 | BYTE * resp;
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22 |
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23 | ///////////////////////////////////////////////////////////////////////////////
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24 | // INIT
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25 | ///////////////////////////////////////////////////////////////////////////////
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26 | cli(); //Interrupts gesperrt
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27 |
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28 | TCC0_CTRLA = TC_CLKSEL_DIV1_gc; //Hardware Timer starten
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29 | TCC0_INTCTRLA = 0x03; //Interrupt definieren
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30 | c_avr_timer::fResolution = 32.7675;
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31 |
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32 | CCP = CCP_IOREG_gc; // Enable high, medium and low level interrupts,Interruptsprungtabelle verbiegens
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33 | PMIC.CTRL = PMIC_IVSEL_bm | PMIC_HILVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_LOLVLEN_bm;
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34 | sei();
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35 |
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36 | /////////////////////////////////////////////////////////////////////////////
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37 | // Main
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38 | /////////////////////////////////////////////////////////////////////////////
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39 | c_avr_timer timeout;
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40 | timeout.StartMs(250);
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41 |
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42 | c_avr_iopin led(&PORTD, PIN7_bm, true, false, false);
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43 | c_avr_iopin led2(&PORTD, PIN6_bm, true, false, false);
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44 | c_avr_timer t;
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45 | while(1){
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46 | if(t.ready()){
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47 | led.toggle();
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48 | t.StartS(1);
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49 | }
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50 | led2.toggle();
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51 | }
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52 |
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53 | cli(); //Programm starten, nach Update oder Timeout
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54 | CCP = CCP_IOREG_gc;
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55 | PMIC.CTRL = 0;
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56 | asm("jmp 0");
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57 | }
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