I've now pruned the code to just:
#include "PIC-config.c"
#include <pic18fregs.h>
#include <string.h> // memcpyram2ram
#define LED_PIN LATBbits.LATB4
#define LED_TRIS TRISBbits.TRISB4
char buffer[64];
void main(void) {
OSCCON = 0x70;
LED_TRIS=0;
LED_PIN = 0;
while (1) {
volatile unsigned long i;
for (i = 0; i<200000;)
i++;
LED_PIN = !LED_PIN;
memcpyram2ram(&buffer, &buffer, 64);
}
}
Complete project with all files is here:
http://www.sparetimelabs.com/temp/blinky.zip
And the compiled object code, listings and map are here:
http://www.sparetimelabs.com/temp/blinky-obj.zip
I will also include the verbatim compile output at the end of this mail.
I'm guessing this is a problem with crt start up code, probably the
stack pointer is not set properly, however everything looks good
to me when I look at the compiled code so I stumped atm.
I guess next I need figure how to get a PIC simulator run on mac.
br Kusti
nyholkus-MacBook-Pro:src nyholku$ make
/Users/sdcc-builder/build/sdcc-build/orig/sdcc/src/pic16/main.c:670
setting interrupt vector addresses 0x800
/usr/local/sbin:/usr/local/bin:/Users/nyholku/Desktop/ImageMagick-6.7.9/bin
:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bi
n:/opt/X11/bin:/usr/texbin:/Users/nyholku/android/tools:/sw/bin:/Users/nyho
lku/sdcc/bin:/Users/nyholku/bl08:/Users/nyholku/TOAD3/pk2cmd:/usr/local/sha
re/npm/bin:/Applications/Wine/.wine/bin:/Users/nyholku/vsfm-osx/cmvs/progra
m/main:/Applications/microchip/xc8/v1.32/bin:/Users/nyholku/TOAD3/pk2cmd:/u
sr/local/bin/
/Users/nyholku/sdcc-3.2.0/bin/sdcc -c --ivt-loc=0x800 --no-crt -V -L
/Users/nyholku/sdcc-3.2.0/share/sdcc/non-free/lib/pic16
-Wl,-m,-s18f4550.lkr -mpic16 -p18f4550 --disable-warning 85 --std-sdcc99
--obanksel=3 --use-non-free main.c -o ../obj/main.o
/Users/sdcc-builder/build/sdcc-build/orig/sdcc/src/pic16/main.c:670
setting interrupt vector addresses 0x800
+ "/Users/nyholku/sdcc-3.2.0/bin/sdcpp" -nostdinc -Wall -Dpic18f4550
-D__18f4550 -D__SDCC_PIC18F4550 -DSTACK_MODEL_SMALL -D__STACK_MODEL_SMALL
-obj-ext=.o -D__SDCC_USE_NON_FREE -DSDCC_USE_NON_FREE -D__SDCC=3_2_0
-DSDCC=320 -D__SDCC_REVISION=8008 -DSDCC_REVISION=8008 -D__SDCC_pic16
-DSDCC_pic16 -D__pic16 -D__STDC_NO_COMPLEX__ -D__STDC_NO_THREADS__
-D__STDC_NO_ATOMICS__ -D__STDC_NO_VLA__ -isystem
"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/include/pic16" -isystem
"/usr/local/share/sdcc/include/pic16" -isystem
"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/include" -isystem
"/usr/local/share/sdcc/include" -isystem
"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/non-free/include/pic16"
-isystem "/usr/local/share/sdcc/non-free/include/pic16" -isystem
"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/non-free/include" -isystem
"/usr/local/share/sdcc/non-free/include" "main.c"
+ "gpasm" -DSTACK_MODEL_SMALL -D__STACK_MODEL_SMALL -o "../obj/main.o" -c
"../obj/main.asm"
../obj/main.asm:9:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:10:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:11:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:12:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:13:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:14:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:15:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:16:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:17:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:18:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:19:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
../obj/main.asm:20:Warning[212] __CONFIG has been deprecated for PIC18
devices. Use directive CONFIG.
/Users/nyholku/sdcc-3.2.0/bin/sdcc --ivt-loc=0x800 --no-crt -V -L
/Users/nyholku/sdcc-3.2.0/share/sdcc/non-free/lib/pic16
-Wl,-m,-s18f4550.lkr -mpic16 -p18f4550 --disable-warning 85 --std-sdcc99
--obanksel=3 --use-non-free -o ../obj/blinky.hex ../obj/main.o
../obj/crt0iz_toad4.o libc18f.lib libio18f4550.lib libm18f.lib libsdcc.lib
/Users/sdcc-builder/build/sdcc-build/orig/sdcc/src/pic16/main.c:670
setting interrupt vector addresses 0x800
+ "gplink" -I"/Users/nyholku/sdcc-3.2.0/share/sdcc/non-free/lib/pic16"
-I"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/lib/pic16"
-I"/usr/local/share/sdcc/lib/pic16"
-I"/Users/nyholku/sdcc-3.2.0/bin/../share/sdcc/non-free/lib/pic16"
-I"/usr/local/share/sdcc/non-free/lib/pic16" -m -s18f4550.lkr -w -r -o
"../obj/blinky.hex" "../obj/main.o" "../obj/crt0iz_toad4.o"
"libc18f.lib" "libio18f4550.lib" "libm18f.lib" "libsdcc.lib"
"libdev18f4550.lib" "libsdcc.lib"
~/TOAD4-firmware/bootloader/encoder/build/encoder -ix ../obj/blinky.hex
-ox ~/TOAD4-firmware/obj/toad4-encoded.hex -e
30313233343536373839414243444546
java -cp
~/FirmwareUpdate/bin:/Users/nyholku//PureJavaHidApi/bin/purejavahidapi.jar:
/Users/Nyholku/PureJavaHidApi/lib/jna-4.0.0.jar Test
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