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Changed last pulse so it sets the final bit to 0. It only should do this if the last bit was 0.

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This commit is contained in:
Robert Strouse 2023-04-07 18:50:14 -07:00
parent b6bc57e437
commit ca76d01a1a
4 changed files with 13 additions and 7 deletions
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18
Somfy.cpp
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@ -1672,23 +1672,28 @@ void Transceiver::sendFrame(byte *frame, uint8_t sync, uint8_t bitLength) {
delayMicroseconds(SYMBOL);
// Payload starting with the most significant bit. The frame is always supplied in 80 bits
// but if the protocol is calling for 56 bits it will only send 56 bits of the frame.
uint8_t last_bit = 0;
for (byte i = 0; i < bitLength; i++) {
if (((frame[i / 8] >> (7 - (i % 8))) & 1) == 1) {
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
delayMicroseconds(SYMBOL);
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
delayMicroseconds(SYMBOL);
last_bit = 1;
} else {
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
delayMicroseconds(SYMBOL);
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
delayMicroseconds(SYMBOL);
last_bit = 0;
}
}
// End with a 0 no matter what. This accommodates the 56-bit protocol by telling the
// motor that there are no more follow on bits.
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
//delayMicroseconds(SYMBOL/2);
if(last_bit == 0) {
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
//delayMicroseconds(SYMBOL);
}
// Inter-frame silence for 56-bit protocols are around 34ms. However, an 80 bit protocol should
// reduce this by the transmission of SYMBOL * 24 or 15,360us
@ -1696,16 +1701,17 @@ void Transceiver::sendFrame(byte *frame, uint8_t sync, uint8_t bitLength) {
// Below are the original calculations for inter-frame silence. However, when actually inspecting this from
// the remote it appears to be closer to 27500us. The delayMicoseconds call cannot be called with
// values larger than 16383.
if(bitLength != 80) {
delayMicroseconds(13717);
delayMicroseconds(13717);
}
/*
if(bitLength == 80)
delayMicroseconds(15055);
else
delayMicroseconds(30415);
*/
if(bitLength != 80) {
delayMicroseconds(13750);
delayMicroseconds(13750);
}
}
void RECEIVE_ATTR Transceiver::handleReceive() {