diff options
| author | Christian Pointner <equinox@mur.at> | 2012-01-29 11:28:26 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2012-01-29 11:28:26 +0000 |
| commit | 7c478be0ee2084b338cf3c0d742e28931a04f6bc (patch) | |
| tree | 60962e6b9388cd0ed2f3d93a8c32976ef8bfd83e /software | |
| parent | make sure FST + IRP are fitting (diff) | |
fixed ack pulse
git-svn-id: https://svn.spreadspace.org/mur.sat@241 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software')
| -rw-r--r-- | software/ihu/ihu.asm | 7 | ||||
| -rw-r--r-- | software/ihu/ttx.inc | 13 |
2 files changed, 17 insertions, 3 deletions
diff --git a/software/ihu/ihu.asm b/software/ihu/ihu.asm index c213698..d2ae016 100644 --- a/software/ihu/ihu.asm +++ b/software/ihu/ihu.asm @@ -301,9 +301,10 @@ init movwf DTMF_BUF_PTR clrf DTMF_CS - bcf PORTD,TTX_RESET ;reset TTX bcf PORTD,TTX_SCL bcf PORTD,TTX_SDA + nop + bcf PORTD,TTX_RESET ;reset TTX clrf TMR0 bsf INTCON,GIE @@ -394,9 +395,11 @@ main_read_bytes movlw BUF movwf FSR - movlw 0xA2 + movlw 0xA0 call ttx_send + goto main + xorlw .0 btfss STATUS,Z goto main_error diff --git a/software/ihu/ttx.inc b/software/ihu/ttx.inc index 2098340..82b8d14 100644 --- a/software/ihu/ttx.inc +++ b/software/ihu/ttx.inc @@ -123,7 +123,7 @@ ttx_get_csum call ttx_break call ttx_recv_byte movf TTX_BYTE,w - xorwf TTX_CSUM,w + xorwf TTX_CSUM,w btfss STATUS,Z goto ttx_csum_error retlw .0 @@ -136,6 +136,10 @@ ttx_send call ttx_send_frame movwf TTX_BYTE call ttx_break + + bsf STATUS,RP0 + bcf TRISD,TTX_SDA + bcf STATUS,RP0 btfsc TTX_BYTE,0 bcf PORTD,TTX_SDA btfss TTX_BYTE,0 @@ -145,5 +149,12 @@ ttx_send nop nop bcf PORTD,TTX_SCL + nop + nop + nop + bsf STATUS,RP0 + bsf TRISD,TTX_SDA + bcf STATUS,RP0 + movf TTX_BYTE,w return ;; ------------------------------------- |