diff options
| author | Christian Pointner <equinox@mur.at> | 2011-11-08 18:29:12 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2011-11-08 18:29:12 +0000 |
| commit | 4d744d2a68b23de7f98e843f57bf764ec7901c45 (patch) | |
| tree | b3d2584d3e564c8b757f1377f502636ad5f4cd4c /software/ihu/ihu.asm | |
| parent | unabsichtlich eingechecked (diff) | |
incoming dtmf commands
git-svn-id: https://svn.spreadspace.org/mur.sat@183 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/ihu/ihu.asm')
| -rw-r--r-- | software/ihu/ihu.asm | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/software/ihu/ihu.asm b/software/ihu/ihu.asm index 0a8e907..72ecc32 100644 --- a/software/ihu/ihu.asm +++ b/software/ihu/ihu.asm @@ -94,6 +94,7 @@ WAIT_CNT EQU H'002F' DTMF_BUF EQU H'0030' ; 5Bytes for incoming DTMF commands DTMF_BUF_END EQU H'0034' DTMF_BUF_PTR EQU H'0035' +DTMF_CS EQU H'0036' BUF EQU H'0040' BUF_END EQU H'004F' @@ -153,8 +154,22 @@ int_dtmf movwf FSR movf PORTD,w andlw b'00001111' + xorwf DTMF_CS,f call dtmfSign movwf INDF + incf DTMF_BUF_PTR,f + movlw DTMF_BUF_END + subwf DTMF_BUF_PTR,w + btfss STATUS,C + goto int_dtmf_end + btfsc STATUS,Z + goto int_dtmf_end + +;; DTMF command complete + movlw .1 + movwf TMP + +int_dtmf_end bcf INTCON,INTF goto interrupt_end @@ -233,7 +248,8 @@ init bcf PORTD,DTMF_PWRDWN movlw DTMF_BUF movwf DTMF_BUF_PTR - + clrf DTMF_CS + bcf PORTD,TTX_RESET ;reset TTX bcf PORTD,TTX_SCL bcf PORTD,TTX_SDA @@ -296,7 +312,64 @@ main btfsc STATUS,Z goto main + movf DTMF_BUF,w + movwf TXREG + movlw .1 + call wait_ms + + movf DTMF_BUF+1,w + movwf TXREG + movlw .1 + call wait_ms + + movf DTMF_BUF+2,w + movwf TXREG + movlw .1 + call wait_ms + + movf DTMF_BUF+3,w + movwf TXREG + movlw .1 + call wait_ms + + movf DTMF_BUF+4,w + movwf TXREG + movlw .1 + call wait_ms + + movlw ' ' + movwf TXREG + movlw .1 + call wait_ms + + movf DTMF_CS,f + btfsc STATUS,Z + movlw '!' + btfss STATUS,Z + movlw 'x' + movwf TXREG + movlw .1 + call wait_ms + + + movlw '\r' + movwf TXREG + movlw .1 + call wait_ms + movlw '\n' + movwf TXREG + movlw .1 + call wait_ms + + + clrf TMP + movlw DTMF_BUF + movwf DTMF_BUF_PTR + clrf DTMF_CS + goto main + + movlw BUF movwf FSR |