I have been programming 627/628 for a while: linux sdcc k8048 board.
Does what I want.
Moved up to 4520 and the velleman 8076. Cant even get a simple program to run.
So I tried to set up internal osc with output on RA6 so I can get a scope
involved.
No clock appears when I apply power.
[r...@malone 4520]# sdcc -v
SDCC : mcs51/gbz80/z80/avr/ds390/pic16/pic14/TININative/xa51/ds400/hc08 2.5.6
#1249 (Nov 29 2009) (UNIX)
Config data:
[r...@malone 4520]# k16 c
[300000] [CONFIG1] c900
[300002] [CONFIG2] 1e19
[300004] [CONFIG3] 8500
[300006] [CONFIG4] 0084
[300008] [CONFIG5] c00f
[30000A] [CONFIG6] e00f
[30000C] [CONFIG7] 400f
[CONFIG_1H]
[OSCCEN] Enabled
[FOSC3:FOSC0] 1001 INT RC CLKOUT
[CONFIG_2L]
[BORV1:BORV0] 2.7V
[BOREN] Disabled
[PWRTEN] Disabled
[CONFIG_2H]
[WDTP2:WDTP0] 1:128
[WDTEN] Disabled
[CONFIG_3H]
[CCP2MX] RC1
[CONFIG_4L]
[DEBUG] Disabled
[LVP] Enabled
[STVREN] Disabled
[CONFIG_5L] [CP3] Off [CP2] Off [CP1] Off [CP0] Off
[CONFIG_5H] [CPD] Off [CPB] Off
[CONFIG_6L] [WRT3] Off [WRT2] Off [WRT1] Off [WRT0] Off
[CONFIG_6H] [WRTD] Off [WRTB] Off [WRTC] Off
[CONFIG_7L] [EBTR3] Off [EBTR2] Off [EBTR1] Off [EBTR0] Off
[CONFIG_7H] [EBTRB] Off
---------
Anything obvious I have forgotten?
The beginning of the program does:
void main(void)
{
OSCCON=2; //??
ADCON0=0;
TRISB=0x00; // PORTB all outputs.
PORTB=0xFF; // Output a led.
INTCON=0x0; // no interrupts
CMCON = 0x07; /** Disable comparators. NEEDED FOR NORMAL PORTA
* BEHAVIOR ON PIC16f628a!
*/
The k16 v matches the k16 p
I did try to rid myself of the libraries etc and just vector to main
(prior to looking for the clock signal) - but it was no better - hence the
walk into h/w debug!
[r...@malone 4520]# sh stage2 test
+ "/usr/local/bin/sdcpp" -nostdinc -Wall -std=c99 -Dpic18f4520 -D__18f4520
-DSTACK_MODEL_SMALL -obj-ext=.o -DSDCC_MODEL_SMALL -DSDCC=256 -DSDCC_pic16
-D__pic16 -I"/usr/local/bin/../share/sdcc/include/pic16"
-I"/usr/local/share/sdcc/include/pic16" "./test.c"
+ "/usr/local/bin/gpasm" -DSDCC_MODEL_SMALL -Dpic18f4520 -D__18F4520
-DSTACK_MODEL_SMALL -c "test.asm" -o "test.o"
+ "/usr/local/bin/gplink" -I"/usr/local/bin/../share/sdcc/lib/pic16"
-I"/usr/local/share/sdcc/lib/pic16" -o test test.o crt0i.o pic18f4520.lib
libsdcc.lib
warning: processor mismatch in
"/usr/local/bin/../share/sdcc/lib/pic16/crt0i.o"message: using default linker
script "/usr/local/share/gputils/lkr/18f4520.lkr"warning: processor mismatch in
"pic18f4520.o"
Any input (or should that be output!) much appreciated ;-)
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