diff options
| author | Christian Pointner <equinox@mur.at> | 2011-09-26 21:19:25 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2011-09-26 21:19:25 +0000 |
| commit | 313be20fb0a901721521b5b68009bbc8c7605f37 (patch) | |
| tree | e68c92847816048197d1a85262cc5b24f7b16611 /software/ihu | |
| parent | dmtftest now sends sign until s is pressed (diff) | |
dtmf decoder works
git-svn-id: https://svn.spreadspace.org/mur.sat@168 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/ihu')
| -rw-r--r-- | software/ihu/ihu.asm | 16 | ||||
| -rw-r--r-- | software/ihu/tables.inc | 19 |
2 files changed, 33 insertions, 2 deletions
diff --git a/software/ihu/ihu.asm b/software/ihu/ihu.asm index 55d79a7..f763407 100644 --- a/software/ihu/ihu.asm +++ b/software/ihu/ihu.asm @@ -134,10 +134,20 @@ STATUS_TEMP EQU H'007F' bcf STATUS,RP0 bcf STATUS,RP1 + btfsc INTCON,INTF + goto int_dtmf btfsc PIR1,RCIF goto int_uart_rx goto interrupt_end +int_dtmf + movf PORTD,w + andlw b'00001111' + call dtmfSign + movwf TXREG + bcf INTCON,INTF + goto interrupt_end + int_uart_rx call uart_rx_byte btfsc PIR1,RCIF @@ -203,12 +213,12 @@ init bcf STATUS,RP1 movlw b'10010000' movwf RCSTA - movlw B'01000000' + movlw B'01010000' movwf INTCON clrf PORTB - bsf PORTD,DTMF_PWRDWN + bcf PORTD,DTMF_PWRDWN bcf PORTD,TTX_RESET ;reset TTX bcf PORTD,TTX_SCL bcf PORTD,TTX_SDA @@ -271,6 +281,8 @@ main btfsc STATUS,Z goto main + goto main + movlw BUF movwf FSR call rtc_get_time diff --git a/software/ihu/tables.inc b/software/ihu/tables.inc index 5a72504..63d4ddc 100644 --- a/software/ihu/tables.inc +++ b/software/ihu/tables.inc @@ -49,6 +49,25 @@ digit retlw 'E' retlw 'F' +dtmfSign + addwf PCL,f + retlw 'D' + retlw '1' + retlw '2' + retlw '3' + retlw '4' + retlw '5' + retlw '6' + retlw '7' + retlw '8' + retlw '9' + retlw '0' + retlw '*' + retlw '#' + retlw 'A' + retlw 'B' + retlw 'C' + mul10 addwf PCL,f retlw .0 |