X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fds1307%2Fpd.py;h=920f12586eb42170aa2f057d38f3dee13a54ca61;hp=800f7a0b2ebe4a6d602f3d05e5126ae84b2c511b;hb=09d8bda971308222cc891bbc7ed9d0b839e1d17b;hpb=00bdc23e73fc3af5a7656ae584216330e4a31556 diff --git a/decoders/ds1307/pd.py b/decoders/ds1307/pd.py index 800f7a0..920f125 100644 --- a/decoders/ds1307/pd.py +++ b/decoders/ds1307/pd.py @@ -15,12 +15,12 @@ ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License -## along with this program; if not, write to the Free Software -## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## along with this program; if not, see . ## import re import sigrokdecode as srd +from common.srdhelper import bcd2int days_of_week = ( 'Sunday', 'Monday', 'Tuesday', 'Wednesday', @@ -39,46 +39,46 @@ bits = ( rates = { 0b00: '1Hz', - 0b01: '4096kHz', - 0b10: '8192kHz', - 0b11: '32768kHz', + 0b01: '4096Hz', + 0b10: '8192Hz', + 0b11: '32768Hz', } DS1307_I2C_ADDRESS = 0x68 def regs_and_bits(): - l = [('reg-' + r.lower(), r + ' register') for r in regs] - l += [('bit-' + re.sub('\/| ', '-', b).lower(), b + ' bit') for b in bits] + l = [('reg_' + r.lower(), r + ' register') for r in regs] + l += [('bit_' + re.sub('\/| ', '_', b).lower(), b + ' bit') for b in bits] return tuple(l) -# Return the specified BCD number (max. 8 bits) as integer. -def bcd2int(b): - return (b & 0x0f) + ((b >> 4) * 10) - class Decoder(srd.Decoder): - api_version = 2 + api_version = 3 id = 'ds1307' name = 'DS1307' longname = 'Dallas DS1307' - desc = 'Realtime clock module protocol.' + desc = 'Dallas DS1307 realtime clock module protocol.' license = 'gplv2+' inputs = ['i2c'] - outputs = ['ds1307'] + outputs = [] + tags = ['Clock/timing', 'IC'] annotations = regs_and_bits() + ( - ('read-datetime', 'Read date/time'), - ('write-datetime', 'Write date/time'), - ('reg-read', 'Register read'), - ('reg-write', 'Register write'), - ('warnings', 'Warnings'), + ('read_date_time', 'Read date/time'), + ('write_date_time', 'Write date/time'), + ('reg_read', 'Register read'), + ('reg_write', 'Register write'), + ('warning', 'Warning'), ) annotation_rows = ( ('bits', 'Bits', tuple(range(9, 24))), ('regs', 'Registers', tuple(range(9))), - ('date-time', 'Date/time', (24, 25, 26, 27)), + ('date_time', 'Date/time', (24, 25, 26, 27)), ('warnings', 'Warnings', (28,)), ) - def __init__(self, **kwargs): + def __init__(self): + self.reset() + + def reset(self): self.state = 'IDLE' self.hours = -1 self.minutes = -1 @@ -122,7 +122,7 @@ class Decoder(srd.Decoder): ampm_mode = True if (b & (1 << 6)) else False if ampm_mode: self.putd(6, 6, [13, ['12-hour mode', '12h mode', '12h']]) - a = 'AM' if (b & (1 << 6)) else 'PM' + a = 'PM' if (b & (1 << 5)) else 'AM' self.putd(5, 5, [14, [a, a[0]]]) h = self.hours = bcd2int(b & 0x1f) self.putd(4, 0, [15, ['Hour: %d' % h, 'H: %d' % h, 'H']]) @@ -184,7 +184,7 @@ class Decoder(srd.Decoder): d = '%s, %02d.%02d.%4d %02d:%02d:%02d' % ( days_of_week[self.days - 1], self.date, self.months, self.years, self.hours, self.minutes, self.seconds) - self.put(self.block_start_sample, self.es, self.out_ann, + self.put(self.ss_block, self.es, self.out_ann, [cls, ['%s date/time: %s' % (rw, d)]]) def handle_reg(self, b): @@ -200,7 +200,7 @@ class Decoder(srd.Decoder): def is_correct_chip(self, addr): if addr == DS1307_I2C_ADDRESS: return True - self.put(self.block_start_sample, self.es, self.out_ann, + self.put(self.ss_block, self.es, self.out_ann, [28, ['Ignoring non-DS1307 data (slave 0x%02X)' % addr]]) return False @@ -222,7 +222,7 @@ class Decoder(srd.Decoder): if cmd != 'START': return self.state = 'GET SLAVE ADDR' - self.block_start_sample = ss + self.ss_block = ss elif self.state == 'GET SLAVE ADDR': # Wait for an address write operation. if cmd != 'ADDRESS WRITE':