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Re-fix S31/Pow R2 serial sync 

Re-fix S31/Pow R2 energy data serial sync (#3425)
This commit is contained in:
Theo Arends 2018-08-11 15:47:27 +02:00
parent 9856a8f7c0
commit 75284f09fe
1 changed files with 11 additions and 7 deletions
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18
sonoff/xdrv_03_energy.ino
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@ -398,14 +398,18 @@ bool CseSerialInput()
}
} else {
if ((0x5A == serial_in_byte) && (serial_in_byte_counter)) { // 0x5A - Packet header 2
if (serial_in_byte_counter > 1) { // Sync buffer with data (issue #1907)
serial_in_buffer[0] = serial_in_buffer[--serial_in_byte_counter];
serial_in_byte_counter = 1;
AddLog_P(LOG_LEVEL_DEBUG, PSTR("CSE: Fixed out-of-sync"));
if ((0x55 == serial_in_buffer[serial_in_byte_counter -1]) ||
(0xAA == serial_in_buffer[serial_in_byte_counter -1]) ||
(serial_in_buffer[serial_in_byte_counter -1] > 0xF0)) {
if (serial_in_byte_counter > 1) { // Sync buffer with data (issue #1907 and #3425)
serial_in_buffer[0] = serial_in_buffer[--serial_in_byte_counter];
serial_in_byte_counter = 1;
AddLog_P(LOG_LEVEL_DEBUG, PSTR("CSE: Fixed out-of-sync"));
}
cse_receive_flag = 1;
} else {
serial_in_byte_counter = 0;
}
cse_receive_flag = 1;
} else {
serial_in_byte_counter = 0;
}
serial_in_buffer[serial_in_byte_counter++] = serial_in_byte;
}