diff options
| author | Christian Pointner <equinox@mur.at> | 2012-06-07 17:43:11 +0000 |
|---|---|---|
| committer | Christian Pointner <equinox@mur.at> | 2012-06-07 17:43:11 +0000 |
| commit | 8bd7979da0b89b2757f2dcb3818f92189d05c8ae (patch) | |
| tree | eadb010f517b420f8f7ed408c2ea968d51e6227b /software/ctr/i2c.inc | |
| parent | improved port pin definitions (diff) | |
improved port pin assigments
git-svn-id: https://svn.spreadspace.org/mur.sat@512 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/ctr/i2c.inc')
| -rw-r--r-- | software/ctr/i2c.inc | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/software/ctr/i2c.inc b/software/ctr/i2c.inc index 52c90e3..9643355 100644 --- a/software/ctr/i2c.inc +++ b/software/ctr/i2c.inc @@ -31,33 +31,33 @@ ;; ------------------------------------- i2c_start movlb .1 - bcf TRISB,I2C_SDA + bcf I2C_SDA nop - bcf TRISB,I2C_SCL + bcf I2C_SCL movlb .0 return ;; ------------------ i2c_restart movlb .1 - bsf TRISB,I2C_SDA + bsf I2C_SDA nop - bsf TRISB,I2C_SCL + bsf I2C_SCL nop nop nop - bcf TRISB,I2C_SDA + bcf I2C_SDA nop - bcf TRISB,I2C_SCL + bcf I2C_SCL movlb .0 return ;; ------------------ i2c_stop movlb .1 - bsf TRISB,I2C_SCL + bsf I2C_SCL nop - bsf TRISB,I2C_SDA + bsf I2C_SDA movlb .0 return @@ -69,27 +69,27 @@ i2c_send_byte movlb .1 i2c_send_byte_next btfss I2C_BYTE,7 - bcf TRISB,I2C_SDA + bcf I2C_SDA btfsc I2C_BYTE,7 - bsf TRISB,I2C_SDA + bsf I2C_SDA nop - bsf TRISB,I2C_SCL + bsf I2C_SCL nop nop - bcf TRISB,I2C_SCL + bcf I2C_SCL rlf I2C_BYTE,f decfsz I2C_BIT_CNT,f goto i2c_send_byte_next nop nop - bsf TRISB,I2C_SDA - bsf TRISB,I2C_SCL + bsf I2C_SDA + bsf I2C_SCL movlb .0 movf PORTB,w movlb .1 - bcf TRISB,I2C_SCL - bcf TRISB,I2C_SDA + bcf I2C_SCL + bcf I2C_SDA movlb .0 andlw b'00010000' movwf I2C_BYTE @@ -102,18 +102,18 @@ i2c_recv_byte movlw .8 movwf I2C_BIT_CNT movlb .1 - bsf TRISB,I2C_SDA + bsf I2C_SDA i2c_recv_byte_loop - bsf TRISB,I2C_SCL + bsf I2C_SCL movlb .0 - btfsc PORTB,I2C_SDA + btfsc I2C_SDA bsf I2C_BYTE,0 movlb .1 - bcf TRISB,I2C_SCL + bcf I2C_SCL decfsz I2C_BIT_CNT,f goto i2c_recv_byte_next - bcf TRISB,I2C_SDA + bcf I2C_SDA movlb .0 return @@ -125,23 +125,23 @@ i2c_recv_byte_next ;; ------------------ i2c_ack movlb .1 - bcf TRISB,I2C_SDA - bsf TRISB,I2C_SCL + bcf I2C_SDA + bsf I2C_SCL nop nop - bcf TRISB,I2C_SCL + bcf I2C_SCL movlb .0 return ;; ------------------ i2c_nack movlb .1 - bsf TRISB,I2C_SDA - bsf TRISB,I2C_SCL + bsf I2C_SDA + bsf I2C_SCL nop nop - bcf TRISB,I2C_SCL - bcf TRISB,I2C_SDA + bcf I2C_SCL + bcf I2C_SDA movlb .0 return |