diff options
Diffstat (limited to 'bootloader/bootloader-887.asm')
| -rw-r--r-- | bootloader/bootloader-887.asm | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/bootloader/bootloader-887.asm b/bootloader/bootloader-887.asm index 9d1f564..8a34635 100644 --- a/bootloader/bootloader-887.asm +++ b/bootloader/bootloader-887.asm @@ -29,7 +29,9 @@ ;; ------------------------------------- ;; DEFINES (chip/com specific) -#define BOOTPIN PORTC,7 +;; #define BOOTPIN PORTC,7 ; use this for com-uart +#define BOOTPIN PORTA,5 ; use this for com-spi +#define INTPIN PORTA,4 ; use this for com-spi USERVECT EQU H'100' ISRVECT EQU USERVECT + H'4' FLASH_BOUNDARY EQU b'00001111' ; flash write boundary is at 16 bytes boundaries @@ -67,9 +69,16 @@ flags EQU H'007D' cnt EQU H'007F' ;; Boot Macro -bootmacro macro - ;; btfsc BOOTPIN - ;; goto USERVECT +;; bootmacro macro ; use this for com-uart +;; btfsc BOOTPIN +;; goto USERVECT +;; goto com_init +;; endm + +bootmacro macro ; use this for com-spi + bsf STATUS,RP0 + bsf STATUS,RP1 + bcf ANSEL,ANS4 ; RA5/SS as digital input -> BOOTPIN goto com_init endm @@ -83,8 +92,8 @@ bootmacro macro ;; ------------------------------------- ;; Bootloader (com specific subroutines and init) -#include "com-16f887-uart.inc" -;; #include "com-16f887-spi.inc" +;; #include "com-16f887-uart.inc" +#include "com-16f887-spi.inc" ;; ------------------------------------- ;; Bootloader (generic init/body) |