diff options
| author | Christian Pointner <equinox@mur.at> | 2011-07-25 02:04:21 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2011-07-25 02:04:21 +0000 |
| commit | dd52ba2388271d3b646b013ae45efa90564d0cfd (patch) | |
| tree | 3f2f1043772b119af85a58acee75af4f833dd09b /software/ihu/ihu.asm | |
| parent | switched to 125kHz for TTX (diff) | |
first working communication between ihu and ttx
ttx has 2s watchdog now
ttx main timer wakes every second
better input check for sending chars
git-svn-id: https://svn.spreadspace.org/mur.sat@54 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/ihu/ihu.asm')
| -rw-r--r-- | software/ihu/ihu.asm | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/software/ihu/ihu.asm b/software/ihu/ihu.asm index fba1121..bf87899 100644 --- a/software/ihu/ihu.asm +++ b/software/ihu/ihu.asm @@ -170,7 +170,26 @@ uart_rx_fe ;; ------------------------------------- ttx_send_byte + bsf PORTD,TTX_SCL movwf TTX_BYTE + clrf TTX_CNT + bcf PORTD,TTX_SCL +ttx_pre + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + decfsz TTX_CNT,f + goto ttx_pre movlw .8 movwf TTX_CNT ttx_next_bit @@ -179,7 +198,51 @@ ttx_next_bit btfss TTX_BYTE,7 bcf PORTD,TTX_SDA bsf PORTD,TTX_SCL + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop bcf PORTD,TTX_SCL + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop rlf TTX_BYTE,f decfsz TTX_CNT,f goto ttx_next_bit |