spacecruft
/
sstvdec
1
0
Fork 0
Code Releases Activity

Removed SSTV spec base class

master
colaclanth 2019-07-15 17:55:57 +01:00
parent 8ecf722670
commit cfd9fa3b0b
1 changed files with 24 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
sstv/spec.py
View File

@ -2,15 +2,6 @@
from enum import Enum
BREAK_OFFSET = 0.300
LEADER_OFFSET = 0.010 + BREAK_OFFSET
VIS_START_OFFSET = 0.300 + LEADER_OFFSET
HDR_SIZE = 0.030 + VIS_START_OFFSET
HDR_WINDOW_SIZE = 0.010
VIS_BIT_SIZE = 0.030
class COL_FMT(Enum):
RGB = 1
@ -19,15 +10,9 @@ class COL_FMT(Enum):
BW = 4
class SSTV(object):
HAS_START_SYNC = False
HAS_MERGE_SCAN = False
CHAN_SYNC = 0
class M1(SSTV):
class M1(object):
NAME = "Martin 1"
VIS_CODE = 44
COLOR = COL_FMT.GBR
LINE_WIDTH = 320
LINE_COUNT = 256
@ -37,6 +22,7 @@ class M1(SSTV):
SEP_PULSE = 0.000572
CHAN_COUNT = 3
CHAN_SYNC = 0
CHAN_TIME = SEP_PULSE + SCAN_TIME
CHAN_OFFSETS = [SYNC_PULSE + SYNC_PORCH]
@ -46,12 +32,13 @@ class M1(SSTV):
LINE_TIME = SYNC_PULSE + SYNC_PORCH + 3 * CHAN_TIME
PIXEL_TIME = SCAN_TIME / LINE_WIDTH
HAS_START_SYNC = False
HAS_MERGE_SCAN = False
class S1(SSTV):
class S1(object):
NAME = "Scottie 1"
HAS_START_SYNC = True
VIS_CODE = 60
COLOR = COL_FMT.GBR
LINE_WIDTH = 320
LINE_COUNT = 256
@ -71,12 +58,13 @@ class S1(SSTV):
LINE_TIME = SYNC_PULSE + 3 * CHAN_TIME
PIXEL_TIME = SCAN_TIME / LINE_WIDTH
HAS_START_SYNC = True
HAS_MERGE_SCAN = False
class R36(SSTV):
class R36(object):
NAME = "Robot 36"
HAS_MERGE_SCAN = True
VIS_CODE = 8
COLOR = COL_FMT.YUV
LINE_WIDTH = 320
LINE_COUNT = 240
@ -88,6 +76,7 @@ class R36(SSTV):
SEP_PORCH = 0.001500
CHAN_COUNT = 2
CHAN_SYNC = 0
CHAN_TIME = SEP_PULSE + SCAN_TIME
CHAN_OFFSETS = [SYNC_PULSE + SYNC_PORCH]
@ -97,5 +86,17 @@ class R36(SSTV):
PIXEL_TIME = SCAN_TIME / LINE_WIDTH
MERGE_PIXEL_TIME = MERGE_SCAN_TIME / LINE_WIDTH
HAS_START_SYNC = False
HAS_MERGE_SCAN = True
VIS_MAP = {44: M1, 60: S1, 8: R36}
BREAK_OFFSET = 0.300
LEADER_OFFSET = 0.010 + BREAK_OFFSET
VIS_START_OFFSET = 0.300 + LEADER_OFFSET
HDR_SIZE = 0.030 + VIS_START_OFFSET
HDR_WINDOW_SIZE = 0.010
VIS_BIT_SIZE = 0.030