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cadience
Joined: 06 Jun 2007
Posts: 1
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| using #hexcomment to embed BORXX into .hex file |
 Posted: Wed Jun 06, 2007 5:21 pm |
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Hello ALL
PIC = 18F722
Compiler = 4.0.20
I have several different builds of devices with different fuse settings and wish to include the BOR settings into the hex file to allow for easy identification via opening the .hex in an editor. Is this possible?
I attempted to do this, along with other fuses to allow toggling of pertinent compile-time options from the command line. I also allow the "master node" to inspect the devices to see what is enabled/disabled for easy display/debugging over a web page.
| Code: |
#include <18F8722.h>
//#define CCA_DISABLE_WDT //when defined, disables the WDT
#define CCA_SERIAL_DEBUG //when defined, the hardware monitor is enabled
//#define CCA_BROWNOUT_DISABLED //when defined, turn off brownout protection
#fuses HS //use a clock >4Mhz frequency
#fuses MCLR //allow Master Clear (MCLR) pin to reset the MCU
#fuses NOLVP //set NO Low Voltage Programming as ICD does not support it.
#fuses BROWNOUT //allow brownout protection (reset)
#fuses BORV42 //do a brownout reset if Vdd drops below 4.2 volts
//enable the Watch Dog Timer fuse - if defined
#ifdef CCA_DISABLE_WDT
#fuses NOWDT
#else
#fuses WDT128
#endif
unisnged int cca_brownoutVal; //divide by 10 to get actual voltage
//....
// other compile switches and code
// ...
//set up the watch dog timer
#ifdef CCA_DISABLE_WDT
#hexcomment PIC: WDT DISABLED
setup_wdt(WDT_OFF);
cca_wdtEnabled = FALSE;
#else
#hexcomment PIC: WDT ENABLED
setup_wdt(WDT_ON);
cca_wdtEnabled = TRUE;
#endif
//determine BROWNOUT settings - this is where my problem is
#if getenv("FUSE_SET:BROWNOUT")
#hexcomment PIC: BROWNOUT ENABLED (V must be next or BOR is invalid)
//set to an invalid value - will be reset if valid
cca_brownoutVal = 50;
#if getenv("FUSE_SET:BOR45"))
cca_brownoutVal = 45;
#hexcomment PIC: BROWNOUT = 4.5V
#endif
#if getenv("FUSE_SET:BOR42"))
cca_brownoutVal = 42;
#hexcomment PIC: BROWNOUT = 4.2V
#endif
#if getenv("FUSE_SET:BOR27"))
cca_brownoutVal = 27;
#hexcomment PIC: BROWNOUT = 27V
#endif
#if getenv("FUSE_SET:BOR22"))
cca_brownoutVal = 22;
#hexcomment PIC: BROWNOUT = 2.2V
#endif
#else
#hexcomment PIC: BROWNOUT DISABLED
//set to 0 - disabled
cca_brownoutVal = 00;
#endif
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here's the snippet of the hexfile generated
| Quote: |
; PIC: compile date = "06-Jun-07" time = "18:43:59"
; PIC: ICD DISABLED
; PIC: HARDWARE_MONITOR ENABLED
; PIC: CAN NODE ID SET NORMALLY
; PIC: TASK PROFILING DISABLED
; PIC: FANS ENABLED
; PIC: WDT ENABLED
; PIC: BROWNOUT ENABLED (V must be next or BOR is invalid)
; PIC: $RCSfile$ $Revision$ $Date$
; PIC: $RCSfile$ $Revision$ $Date$
;
; etc
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As you can see, the getenv("FUSE_SET:BOR42") does not show any signs of being set.
As I'm trying to embed the info into the .hex file, I can't inspect the register at runtime. Any suggestions?
Also, it doesn't appear that the CCS compile supports #elseif or #elsif, is this true?
_________________
-John Williams |
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ckielstra
Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands
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| Posted: Wed Jun 06, 2007 5:50 pm |
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| Quote: | | Also, it doesn't appear that the CCS compile supports #elseif or #elsif, is this true? |
From the manual: #elif |
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