aaribaud/ESPSomfy-RTS
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Reduce the inter-frame silence for 80-bit protocols by 24 symbols.

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This commit is contained in:
Robert Strouse 2023-03-29 16:34:44 -07:00
parent 5f5ac9fa32
commit d239ce857a
2 changed files with 14 additions and 5 deletions
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19
Somfy.cpp
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@ -1633,14 +1633,17 @@ void Transceiver::sendFrame(byte *frame, uint8_t sync, uint8_t bitLength) {
if(!this->config.enabled) return;
uint32_t pin = 1 << this->config.TXPin;
if (sync == 2 || sync == 12) { // Only with the first frame.
// Wake-up pulse & Silence
// Wake-up pulse
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
delayMicroseconds(9415);
// Silence
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
delayMicroseconds(9565);
delay(80);
}
// Hardware sync: two sync for the first frame, seven for the following ones.
// Depending on the bitness of the protocol we will be sending a different hwsync.
// 56-bit 2 pulses for the first frame and 7 for the repeats
// 80-bit 24 pulses for the first frame and 14 pulses for the repeats
for (int i = 0; i < sync; i++) {
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
delayMicroseconds(4 * SYMBOL);
@ -1650,9 +1653,11 @@ void Transceiver::sendFrame(byte *frame, uint8_t sync, uint8_t bitLength) {
// Software sync
REG_WRITE(GPIO_OUT_W1TS_REG, pin);
delayMicroseconds(4450);
// Start 0
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
delayMicroseconds(SYMBOL);
// Data: bits are sent one by one, starting with the MSB.
// 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.
for (byte i = 0; i < bitLength; i++) {
if (((frame[i / 8] >> (7 - (i % 8))) & 1) == 1) {
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
@ -1666,9 +1671,13 @@ void Transceiver::sendFrame(byte *frame, uint8_t sync, uint8_t bitLength) {
delayMicroseconds(SYMBOL);
}
}
// Inter-frame silence
// 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
REG_WRITE(GPIO_OUT_W1TC_REG, pin);
delayMicroseconds(30415);
if(bitLength == 80)
delayMicroseconds(15055);
else
delayMicroseconds(30415);
}
void RECEIVE_ATTR Transceiver::handleReceive() {

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SomfyController.ino.esp32.bin
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