diff options
| author | Christian Pointner <equinox@spreadspace.org> | 2013-07-11 01:48:37 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@spreadspace.org> | 2013-07-11 01:48:37 +0000 |
| commit | 138ef9a70dccb603494a899bc9a318a2ab818f30 (patch) | |
| tree | ab1e2163ac94ce3a4cc858e2458627d69477d245 | |
| parent | read flash for 16f1847 works (diff) | |
flash write address checks work
git-svn-id: https://svn.spreadspace.org/pic/trunk@78 a09c6847-51d9-44de-8ef2-e725cf50f3c7
| -rw-r--r-- | bootloader/cmds-16f1847.inc | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/bootloader/cmds-16f1847.inc b/bootloader/cmds-16f1847.inc index d5460c1..bb51298 100644 --- a/bootloader/cmds-16f1847.inc +++ b/bootloader/cmds-16f1847.inc @@ -68,13 +68,14 @@ read_flash_segment_next ;; flash write -------- cmd_w_flash -;; movf combuff + .3,f ; if addr[15:8] == 0 -> boot loader section -;; btfsc STATUS,Z -;; goto address_prohibited -;; movlw FLASH_BOUNDARY ; addr on boundary? -;; andwf combuff + .2,w -;; btfss STATUS,Z -;; goto address_invalid + movlw .2 ; if addr[15:8] < 2 -> boot loader section + subwf combuff + .3,w + btfss STATUS,C + goto address_prohibited + movlw FLASH_BOUNDARY ; addr on boundary? + andwf combuff + .2,w + btfss STATUS,Z + goto address_invalid ;; movlw FSS ; initialize EEADR:EEADRH and FSR ;; movwf cnt ;; movlw b'01011000' @@ -119,9 +120,7 @@ cmd_w_flash ;; movlw E_FLASH_WERR ;; bcf STATUS,RP1 ;; bcf STATUS,RP0 -;; movwf combuff + .2 ; = E_OK -;; movlw .1 ; bytes to send -;; call send_answer - movlw E_NOT_IMPL - call ack_cmd + movwf combuff + .2 ; = E_OK + movlw .1 ; bytes to send + call send_answer goto wait_new_cmd |