From: Uwe Hermann Date: Sun, 15 Jan 2012 11:50:07 +0000 (+0100) Subject: srd: Bring back small stuff lost in the merge. X-Git-Tag: libsigrokdecode-0.1.0~135 X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=9e587cc9d4db0da9bdfffbc023d848dd59df74b4;p=libsigrokdecode.git srd: Bring back small stuff lost in the merge. Also, use ''' for docstrings to be consistent with the rest. --- diff --git a/decoders/ddc.py b/decoders/ddc.py index 2336159..53244c3 100644 --- a/decoders/ddc.py +++ b/decoders/ddc.py @@ -16,13 +16,14 @@ ## You should have received a copy of the GNU General Public License ## along with this program; if not, If not, see . ## -""" + +''' This decoder extracts a DDC stream from an I2C session between a computer and a display device. The stream is output as plain bytes. Details: https://en.wikipedia.org/wiki/Display_Data_Channel -""" +''' import sigrokdecode as srd diff --git a/decoders/i2c.py b/decoders/i2c.py index e63ab85..f28b158 100644 --- a/decoders/i2c.py +++ b/decoders/i2c.py @@ -22,6 +22,7 @@ # I2C protocol decoder # +# # The Inter-Integrated Circuit (I2C) bus is a bidirectional, multi-master # bus using two signals (SCL = serial clock line, SDA = serial data line). # @@ -68,28 +69,26 @@ # TODO: Handle multiple different I2C devices on same bus # -> we need to decode multiple protocols at the same time. -""" -I2C protocol output format: - -The protocol output consists of a (Python) list of I2C "packets", each of -which is of the form +''' +Protocol output format: - [ _i2c_command_, _data_, _ack_bit_ ] +I2C packet: +[, , ] -_i2c_command_ is one of: + is one of: - 'START' (START condition) - - 'START_REPEAT' (Repeated START) - - 'ADDRESS_READ' (Address, read) - - 'ADDRESS_WRITE' (Address, write) - - 'DATA_READ' (Data, read) - - 'DATA_WRITE' (Data, write) + - 'START REPEAT' (Repeated START) + - 'ADDRESS READ' (Address, read) + - 'ADDRESS WRITE' (Address, write) + - 'DATA READ' (Data, read) + - 'DATA WRITE' (Data, write) - 'STOP' (STOP condition) -_data_ is the data or address byte associated with the ADDRESS_* and DATA_* -command. For START, START_REPEAT and STOP, this is None. + is the data or address byte associated with the 'ADDRESS*' and 'DATA*' +command. For 'START', 'START REPEAT' and 'STOP', this is None. -_ack_bit_ is either 'ACK' or 'NACK', but may also be None. -""" + is either 'ACK' or 'NACK', but may also be None. +''' import sigrokdecode as srd