diff options
| author | Daniel Friesel <derf@finalrewind.org> | 2016-02-26 23:57:52 +0100 |
|---|---|---|
| committer | Daniel Friesel <derf@finalrewind.org> | 2016-02-26 23:57:52 +0100 |
| commit | 8df1d910e4701b80bf00d4da099d31315c326e4e (patch) | |
| tree | 7577a602d212cbfc4c365b747b1cdfc6acd32c90 | |
| parent | 2d556b007abb9da17a044e94a5a544aabdf2fda0 (diff) | |
Disable hamming state reset logic (contains a -really- stuid bug)
| -rw-r--r-- | src/fecmodem.cc | 5 | ||||
| -rw-r--r-- | src/modem.h | 2 | ||||
| -rw-r--r-- | utilities/blinkenrocket.py | 5 |
3 files changed, 6 insertions, 6 deletions
diff --git a/src/fecmodem.cc b/src/fecmodem.cc index f1b269b..3e4af68 100644 --- a/src/fecmodem.cc +++ b/src/fecmodem.cc @@ -50,8 +50,9 @@ uint8_t FECModem::hamming2416(uint8_t *byte1, uint8_t *byte2, uint8_t parity) uint8_t FECModem::buffer_available() { - if (newTransmission()) - hammingState = FIRST_BYTE; +// XXX this reset implementation is _completely_ broken +// if (newTransmission()) +// hammingState = FIRST_BYTE; if (this->Modem::buffer_available() >= 3) return 2; if (hammingState == SECOND_BYTE) diff --git a/src/modem.h b/src/modem.h index 02c3fba..e3706f3 100644 --- a/src/modem.h +++ b/src/modem.h @@ -11,7 +11,7 @@ #include <stdlib.h> /* Modem ring buffer size must be power of 2 */ -#define MODEM_BUFFER_SIZE 32 +#define MODEM_BUFFER_SIZE 64 /* Modem defines */ #define MODEM_SYNC_LEN 42 diff --git a/utilities/blinkenrocket.py b/utilities/blinkenrocket.py index c027dd5..00787fa 100644 --- a/utilities/blinkenrocket.py +++ b/utilities/blinkenrocket.py @@ -90,9 +90,8 @@ class modem: for byte in self.data: sound += self.modemcode(ord(byte)) self.cnt += 1 - if self.cnt == 10: - sound += self.silence(256) # TODO determine required amount of silence - sound += self.generateSyncSignal(2) + if self.cnt == 9: # ! do not send sync inside (byte1 byte2 parity) triples + sound += self.generateSyncSignal(4) self.cnt = 0 # add some sync signals in the end sound += self.generateSyncSignal(4) |